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-rw-r--r--drivers/bcma/Kconfig122
-rw-r--r--drivers/bcma/Makefile18
-rw-r--r--drivers/bcma/README19
-rw-r--r--drivers/bcma/TODO3
-rw-r--r--drivers/bcma/bcma_private.h216
-rw-r--r--drivers/bcma/core.c156
-rw-r--r--drivers/bcma/driver_chipcommon.c421
-rw-r--r--drivers/bcma/driver_chipcommon_b.c62
-rw-r--r--drivers/bcma/driver_chipcommon_nflash.c44
-rw-r--r--drivers/bcma/driver_chipcommon_pflash.c49
-rw-r--r--drivers/bcma/driver_chipcommon_pmu.c662
-rw-r--r--drivers/bcma/driver_chipcommon_sflash.c165
-rw-r--r--drivers/bcma/driver_gmac_cmn.c14
-rw-r--r--drivers/bcma/driver_gpio.c237
-rw-r--r--drivers/bcma/driver_mips.c383
-rw-r--r--drivers/bcma/driver_pci.c306
-rw-r--r--drivers/bcma/driver_pci_host.c623
-rw-r--r--drivers/bcma/driver_pcie2.c201
-rw-r--r--drivers/bcma/host_pci.c390
-rw-r--r--drivers/bcma/host_soc.c278
-rw-r--r--drivers/bcma/main.c742
-rw-r--r--drivers/bcma/scan.c530
-rw-r--r--drivers/bcma/scan.h57
-rw-r--r--drivers/bcma/sprom.c646
24 files changed, 6344 insertions, 0 deletions
diff --git a/drivers/bcma/Kconfig b/drivers/bcma/Kconfig
new file mode 100644
index 0000000..90a6f61
--- /dev/null
+++ b/drivers/bcma/Kconfig
@@ -0,0 +1,122 @@
+# SPDX-License-Identifier: GPL-2.0
+config BCMA_POSSIBLE
+ bool
+ depends on HAS_IOMEM && HAS_DMA
+ default y
+
+menuconfig BCMA
+ tristate "Broadcom specific AMBA"
+ depends on m
+ depends on BCMA_POSSIBLE
+ help
+ Bus driver for Broadcom specific Advanced Microcontroller Bus
+ Architecture.
+
+if BCMA
+
+# Support for Block-I/O. SELECT this from the driver that needs it.
+config BCMA_BLOCKIO
+ bool
+
+config BCMA_HOST_PCI_POSSIBLE
+ bool
+ depends on PCI = y
+ default y
+
+config BCMA_HOST_PCI
+ bool "Support for BCMA on PCI-host bus"
+ depends on BCMA_HOST_PCI_POSSIBLE
+ select BCMA_DRIVER_PCI
+ default y
+
+config BCMA_HOST_SOC
+ depends on !KERNEL_3_7
+ bool "Support for BCMA in a SoC"
+ depends on HAS_IOMEM
+ help
+ Host interface for a Broadcom AIX bus directly mapped into
+ the memory. This only works with the Broadcom SoCs from the
+ BCM47XX line.
+
+ If unsure, say N
+
+config BCMA_DRIVER_PCI
+ bool "BCMA Broadcom PCI core driver"
+ depends on PCI
+ default y
+ help
+ BCMA bus may have many versions of PCIe core. This driver
+ supports:
+ 1) PCIe core working in clientmode
+ 2) PCIe Gen 2 clientmode core
+
+ In general PCIe (Gen 2) clientmode core is required on PCIe
+ hosted buses. It's responsible for initialization and basic
+ hardware management.
+ This driver is also prerequisite for a hostmode PCIe core
+ support.
+
+config BCMA_DRIVER_PCI_HOSTMODE
+ bool "Driver for PCI core working in hostmode"
+ depends on MIPS && BCMA_DRIVER_PCI && PCI_DRIVERS_LEGACY && BCMA = y
+ help
+ PCI core hostmode operation (external PCI bus).
+
+config BCMA_DRIVER_MIPS
+ depends on !KERNEL_3_3
+ bool "BCMA Broadcom MIPS core driver"
+ depends on MIPS || COMPILE_TEST
+ help
+ Driver for the Broadcom MIPS core attached to Broadcom specific
+ Advanced Microcontroller Bus.
+
+ If unsure, say N
+
+config BCMA_PFLASH
+ bool
+ depends on BCMA_DRIVER_MIPS
+ default y
+
+config BCMA_SFLASH
+ bool "ChipCommon-attached serial flash support"
+ depends on BCMA_HOST_SOC
+ default y
+ help
+ Some cheap devices have serial flash connected to the ChipCommon
+ instead of independent SPI controller. It requires using a separated
+ driver that implements ChipCommon specific interface communication.
+
+ Enabling this symbol will let bcma recognize serial flash and register
+ it as platform device.
+
+config BCMA_NFLASH
+ bool
+ depends on BCMA_DRIVER_MIPS
+ default y
+
+config BCMA_DRIVER_GMAC_CMN
+ bool "BCMA Broadcom GBIT MAC COMMON core driver"
+ help
+ Driver for the Broadcom GBIT MAC COMMON core attached to Broadcom
+ specific Advanced Microcontroller Bus.
+
+ If unsure, say N
+
+config BCMA_DRIVER_GPIO
+ depends on !KERNEL_4_5
+ bool "BCMA GPIO driver"
+ depends on GPIOLIB
+ select GPIOLIB_IRQCHIP if BCMA_HOST_SOC
+ help
+ Driver to provide access to the GPIO pins of the bcma bus.
+
+ If unsure, say N
+
+config BCMA_DEBUG
+ bool "BCMA debugging"
+ help
+ This turns on additional debugging messages.
+
+ If unsure, say N
+
+endif # BCMA
diff --git a/drivers/bcma/Makefile b/drivers/bcma/Makefile
new file mode 100644
index 0000000..4c5af87
--- /dev/null
+++ b/drivers/bcma/Makefile
@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: GPL-2.0
+bcma-y += main.o scan.o core.o sprom.o
+bcma-y += driver_chipcommon.o driver_chipcommon_pmu.o
+bcma-y += driver_chipcommon_b.o
+bcma-$(CPTCFG_BCMA_PFLASH) += driver_chipcommon_pflash.o
+bcma-$(CPTCFG_BCMA_SFLASH) += driver_chipcommon_sflash.o
+bcma-$(CPTCFG_BCMA_NFLASH) += driver_chipcommon_nflash.o
+bcma-$(CPTCFG_BCMA_DRIVER_PCI) += driver_pci.o
+bcma-$(CPTCFG_BCMA_DRIVER_PCI) += driver_pcie2.o
+bcma-$(CPTCFG_BCMA_DRIVER_PCI_HOSTMODE) += driver_pci_host.o
+bcma-$(CPTCFG_BCMA_DRIVER_MIPS) += driver_mips.o
+bcma-$(CPTCFG_BCMA_DRIVER_GMAC_CMN) += driver_gmac_cmn.o
+bcma-$(CPTCFG_BCMA_DRIVER_GPIO) += driver_gpio.o
+bcma-$(CPTCFG_BCMA_HOST_PCI) += host_pci.o
+bcma-$(CPTCFG_BCMA_HOST_SOC) += host_soc.o
+obj-$(CPTCFG_BCMA) += bcma.o
+
+ccflags-$(CPTCFG_BCMA_DEBUG) := -DDEBUG
diff --git a/drivers/bcma/README b/drivers/bcma/README
new file mode 100644
index 0000000..f7e7ce4
--- /dev/null
+++ b/drivers/bcma/README
@@ -0,0 +1,19 @@
+Broadcom introduced new bus as replacement for older SSB. It is based on AMBA,
+however from programming point of view there is nothing AMBA specific we use.
+
+Standard AMBA drivers are platform specific, have hardcoded addresses and use
+AMBA standard fields like CID and PID.
+
+In case of Broadcom's cards every device consists of:
+1) Broadcom specific AMBA device. It is put on AMBA bus, but can not be treated
+ as standard AMBA device. Reading it's CID or PID can cause machine lockup.
+2) AMBA standard devices called ports or wrappers. They have CIDs (AMBA_CID)
+ and PIDs (0x103BB369), but we do not use that info for anything. One of that
+ devices is used for managing Broadcom specific core.
+
+Addresses of AMBA devices are not hardcoded in driver and have to be read from
+EPROM.
+
+In this situation we decided to introduce separated bus. It can contain up to
+16 devices identified by Broadcom specific fields: manufacturer, id, revision
+and class.
diff --git a/drivers/bcma/TODO b/drivers/bcma/TODO
new file mode 100644
index 0000000..da7aa99
--- /dev/null
+++ b/drivers/bcma/TODO
@@ -0,0 +1,3 @@
+- Interrupts
+- Defines for PCI core driver
+- Create kernel Documentation (use info from README)
diff --git a/drivers/bcma/bcma_private.h b/drivers/bcma/bcma_private.h
new file mode 100644
index 0000000..3e3b14f
--- /dev/null
+++ b/drivers/bcma/bcma_private.h
@@ -0,0 +1,216 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef LINUX_BCMA_PRIVATE_H_
+#define LINUX_BCMA_PRIVATE_H_
+
+#ifndef pr_fmt
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+#endif
+
+#include <linux/bcma/bcma.h>
+#include <linux/delay.h>
+
+#define bcma_err(bus, fmt, ...) \
+ pr_err("bus%d: " fmt, (bus)->num, ##__VA_ARGS__)
+#define bcma_warn(bus, fmt, ...) \
+ pr_warn("bus%d: " fmt, (bus)->num, ##__VA_ARGS__)
+#define bcma_info(bus, fmt, ...) \
+ pr_info("bus%d: " fmt, (bus)->num, ##__VA_ARGS__)
+#define bcma_debug(bus, fmt, ...) \
+ pr_debug("bus%d: " fmt, (bus)->num, ##__VA_ARGS__)
+
+struct bcma_bus;
+
+/* main.c */
+bool bcma_wait_value(struct bcma_device *core, u16 reg, u32 mask, u32 value,
+ int timeout);
+void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core);
+void bcma_init_bus(struct bcma_bus *bus);
+void bcma_unregister_cores(struct bcma_bus *bus);
+int bcma_bus_register(struct bcma_bus *bus);
+void bcma_bus_unregister(struct bcma_bus *bus);
+int __init bcma_bus_early_register(struct bcma_bus *bus);
+#ifdef CONFIG_PM
+int bcma_bus_suspend(struct bcma_bus *bus);
+int bcma_bus_resume(struct bcma_bus *bus);
+#endif
+struct device *bcma_bus_get_host_dev(struct bcma_bus *bus);
+
+/* scan.c */
+void bcma_detect_chip(struct bcma_bus *bus);
+int bcma_bus_scan(struct bcma_bus *bus);
+
+/* sprom.c */
+int bcma_sprom_get(struct bcma_bus *bus);
+
+/* driver_chipcommon.c */
+void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc);
+void bcma_core_chipcommon_init(struct bcma_drv_cc *cc);
+void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable);
+#ifdef CPTCFG_BCMA_DRIVER_MIPS
+void bcma_chipco_serial_init(struct bcma_drv_cc *cc);
+#endif /* CPTCFG_BCMA_DRIVER_MIPS */
+
+/* driver_chipcommon_b.c */
+int bcma_core_chipcommon_b_init(struct bcma_drv_cc_b *ccb);
+void bcma_core_chipcommon_b_free(struct bcma_drv_cc_b *ccb);
+
+/* driver_chipcommon_pmu.c */
+void bcma_pmu_early_init(struct bcma_drv_cc *cc);
+void bcma_pmu_init(struct bcma_drv_cc *cc);
+u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc);
+u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc);
+
+/**************************************************
+ * driver_chipcommon_sflash.c
+ **************************************************/
+
+#ifdef CPTCFG_BCMA_PFLASH
+extern struct platform_device bcma_pflash_dev;
+int bcma_pflash_init(struct bcma_drv_cc *cc);
+#else
+static inline int bcma_pflash_init(struct bcma_drv_cc *cc)
+{
+ bcma_err(cc->core->bus, "Parallel flash not supported\n");
+ return 0;
+}
+#endif /* CPTCFG_BCMA_PFLASH */
+
+#ifdef CPTCFG_BCMA_SFLASH
+/* driver_chipcommon_sflash.c */
+int bcma_sflash_init(struct bcma_drv_cc *cc);
+extern struct platform_device bcma_sflash_dev;
+#else
+static inline int bcma_sflash_init(struct bcma_drv_cc *cc)
+{
+ bcma_err(cc->core->bus, "Serial flash not supported\n");
+ return 0;
+}
+#endif /* CPTCFG_BCMA_SFLASH */
+
+#ifdef CPTCFG_BCMA_NFLASH
+/* driver_chipcommon_nflash.c */
+int bcma_nflash_init(struct bcma_drv_cc *cc);
+extern struct platform_device bcma_nflash_dev;
+#else
+static inline int bcma_nflash_init(struct bcma_drv_cc *cc)
+{
+ bcma_err(cc->core->bus, "NAND flash not supported\n");
+ return 0;
+}
+#endif /* CPTCFG_BCMA_NFLASH */
+
+#ifdef CPTCFG_BCMA_HOST_PCI
+/* host_pci.c */
+extern int __init bcma_host_pci_init(void);
+extern void __exit bcma_host_pci_exit(void);
+#endif /* CPTCFG_BCMA_HOST_PCI */
+
+/* host_soc.c */
+#if defined(CPTCFG_BCMA_HOST_SOC) && defined(CONFIG_OF)
+extern int __init bcma_host_soc_register_driver(void);
+extern void __exit bcma_host_soc_unregister_driver(void);
+#else
+static inline int __init bcma_host_soc_register_driver(void)
+{
+ return 0;
+}
+static inline void __exit bcma_host_soc_unregister_driver(void)
+{
+}
+#endif /* CPTCFG_BCMA_HOST_SOC && CONFIG_OF */
+
+/* driver_pci.c */
+#ifdef CPTCFG_BCMA_DRIVER_PCI
+u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address);
+void bcma_core_pci_early_init(struct bcma_drv_pci *pc);
+void bcma_core_pci_init(struct bcma_drv_pci *pc);
+void bcma_core_pci_up(struct bcma_drv_pci *pc);
+void bcma_core_pci_down(struct bcma_drv_pci *pc);
+#else
+static inline void bcma_core_pci_early_init(struct bcma_drv_pci *pc)
+{
+ WARN_ON(pc->core->bus->hosttype == BCMA_HOSTTYPE_PCI);
+}
+static inline void bcma_core_pci_init(struct bcma_drv_pci *pc)
+{
+ /* Initialization is required for PCI hosted bus */
+ WARN_ON(pc->core->bus->hosttype == BCMA_HOSTTYPE_PCI);
+}
+#endif
+
+/* driver_pcie2.c */
+#ifdef CPTCFG_BCMA_DRIVER_PCI
+void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2);
+void bcma_core_pcie2_up(struct bcma_drv_pcie2 *pcie2);
+#else
+static inline void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2)
+{
+ /* Initialization is required for PCI hosted bus */
+ WARN_ON(pcie2->core->bus->hosttype == BCMA_HOSTTYPE_PCI);
+}
+#endif
+
+extern int bcma_chipco_watchdog_register(struct bcma_drv_cc *cc);
+
+#ifdef CPTCFG_BCMA_DRIVER_PCI_HOSTMODE
+bool bcma_core_pci_is_in_hostmode(struct bcma_drv_pci *pc);
+void bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc);
+#else
+static inline bool bcma_core_pci_is_in_hostmode(struct bcma_drv_pci *pc)
+{
+ return false;
+}
+static inline void bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc)
+{
+}
+#endif /* CPTCFG_BCMA_DRIVER_PCI_HOSTMODE */
+
+/**************************************************
+ * driver_mips.c
+ **************************************************/
+
+#ifdef CPTCFG_BCMA_DRIVER_MIPS
+unsigned int bcma_core_mips_irq(struct bcma_device *dev);
+void bcma_core_mips_early_init(struct bcma_drv_mips *mcore);
+void bcma_core_mips_init(struct bcma_drv_mips *mcore);
+#else
+static inline unsigned int bcma_core_mips_irq(struct bcma_device *dev)
+{
+ return 0;
+}
+static inline void bcma_core_mips_early_init(struct bcma_drv_mips *mcore)
+{
+}
+static inline void bcma_core_mips_init(struct bcma_drv_mips *mcore)
+{
+}
+#endif
+
+/**************************************************
+ * driver_gmac_cmn.c
+ **************************************************/
+
+#ifdef CPTCFG_BCMA_DRIVER_GMAC_CMN
+void bcma_core_gmac_cmn_init(struct bcma_drv_gmac_cmn *gc);
+#else
+static inline void bcma_core_gmac_cmn_init(struct bcma_drv_gmac_cmn *gc)
+{
+}
+#endif
+
+#ifdef CPTCFG_BCMA_DRIVER_GPIO
+/* driver_gpio.c */
+int bcma_gpio_init(struct bcma_drv_cc *cc);
+int bcma_gpio_unregister(struct bcma_drv_cc *cc);
+#else
+static inline int bcma_gpio_init(struct bcma_drv_cc *cc)
+{
+ return -ENOTSUPP;
+}
+static inline int bcma_gpio_unregister(struct bcma_drv_cc *cc)
+{
+ return 0;
+}
+#endif /* CPTCFG_BCMA_DRIVER_GPIO */
+
+#endif
diff --git a/drivers/bcma/core.c b/drivers/bcma/core.c
new file mode 100644
index 0000000..37a5ffe
--- /dev/null
+++ b/drivers/bcma/core.c
@@ -0,0 +1,156 @@
+/*
+ * Broadcom specific AMBA
+ * Core ops
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+#include <linux/export.h>
+#include <linux/bcma/bcma.h>
+
+static bool bcma_core_wait_value(struct bcma_device *core, u16 reg, u32 mask,
+ u32 value, int timeout)
+{
+ unsigned long deadline = jiffies + timeout;
+ u32 val;
+
+ do {
+ val = bcma_aread32(core, reg);
+ if ((val & mask) == value)
+ return true;
+ cpu_relax();
+ udelay(10);
+ } while (!time_after_eq(jiffies, deadline));
+
+ bcma_warn(core->bus, "Timeout waiting for register 0x%04X!\n", reg);
+
+ return false;
+}
+
+bool bcma_core_is_enabled(struct bcma_device *core)
+{
+ if ((bcma_aread32(core, BCMA_IOCTL) & (BCMA_IOCTL_CLK | BCMA_IOCTL_FGC))
+ != BCMA_IOCTL_CLK)
+ return false;
+ if (bcma_aread32(core, BCMA_RESET_CTL) & BCMA_RESET_CTL_RESET)
+ return false;
+ return true;
+}
+EXPORT_SYMBOL_GPL(bcma_core_is_enabled);
+
+void bcma_core_disable(struct bcma_device *core, u32 flags)
+{
+ if (bcma_aread32(core, BCMA_RESET_CTL) & BCMA_RESET_CTL_RESET)
+ return;
+
+ bcma_core_wait_value(core, BCMA_RESET_ST, ~0, 0, 300);
+
+ bcma_awrite32(core, BCMA_RESET_CTL, BCMA_RESET_CTL_RESET);
+ bcma_aread32(core, BCMA_RESET_CTL);
+ udelay(1);
+
+ bcma_awrite32(core, BCMA_IOCTL, flags);
+ bcma_aread32(core, BCMA_IOCTL);
+ udelay(10);
+}
+EXPORT_SYMBOL_GPL(bcma_core_disable);
+
+int bcma_core_enable(struct bcma_device *core, u32 flags)
+{
+ bcma_core_disable(core, flags);
+
+ bcma_awrite32(core, BCMA_IOCTL, (BCMA_IOCTL_CLK | BCMA_IOCTL_FGC | flags));
+ bcma_aread32(core, BCMA_IOCTL);
+
+ bcma_awrite32(core, BCMA_RESET_CTL, 0);
+ bcma_aread32(core, BCMA_RESET_CTL);
+ udelay(1);
+
+ bcma_awrite32(core, BCMA_IOCTL, (BCMA_IOCTL_CLK | flags));
+ bcma_aread32(core, BCMA_IOCTL);
+ udelay(1);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(bcma_core_enable);
+
+void bcma_core_set_clockmode(struct bcma_device *core,
+ enum bcma_clkmode clkmode)
+{
+ u16 i;
+
+ WARN_ON(core->id.id != BCMA_CORE_CHIPCOMMON &&
+ core->id.id != BCMA_CORE_PCIE &&
+ core->id.id != BCMA_CORE_80211);
+
+ switch (clkmode) {
+ case BCMA_CLKMODE_FAST:
+ bcma_set32(core, BCMA_CLKCTLST, BCMA_CLKCTLST_FORCEHT);
+ usleep_range(64, 300);
+ for (i = 0; i < 1500; i++) {
+ if (bcma_read32(core, BCMA_CLKCTLST) &
+ BCMA_CLKCTLST_HAVEHT) {
+ i = 0;
+ break;
+ }
+ udelay(10);
+ }
+ if (i)
+ bcma_err(core->bus, "HT force timeout\n");
+ break;
+ case BCMA_CLKMODE_DYNAMIC:
+ bcma_set32(core, BCMA_CLKCTLST, ~BCMA_CLKCTLST_FORCEHT);
+ break;
+ }
+}
+EXPORT_SYMBOL_GPL(bcma_core_set_clockmode);
+
+void bcma_core_pll_ctl(struct bcma_device *core, u32 req, u32 status, bool on)
+{
+ u16 i;
+
+ WARN_ON(req & ~BCMA_CLKCTLST_EXTRESREQ);
+ WARN_ON(status & ~BCMA_CLKCTLST_EXTRESST);
+
+ if (on) {
+ bcma_set32(core, BCMA_CLKCTLST, req);
+ for (i = 0; i < 10000; i++) {
+ if ((bcma_read32(core, BCMA_CLKCTLST) & status) ==
+ status) {
+ i = 0;
+ break;
+ }
+ udelay(10);
+ }
+ if (i)
+ bcma_err(core->bus, "PLL enable timeout\n");
+ } else {
+ /*
+ * Mask the PLL but don't wait for it to be disabled. PLL may be
+ * shared between cores and will be still up if there is another
+ * core using it.
+ */
+ bcma_mask32(core, BCMA_CLKCTLST, ~req);
+ bcma_read32(core, BCMA_CLKCTLST);
+ }
+}
+EXPORT_SYMBOL_GPL(bcma_core_pll_ctl);
+
+u32 bcma_core_dma_translation(struct bcma_device *core)
+{
+ switch (core->bus->hosttype) {
+ case BCMA_HOSTTYPE_SOC:
+ return 0;
+ case BCMA_HOSTTYPE_PCI:
+ if (bcma_aread32(core, BCMA_IOST) & BCMA_IOST_DMA64)
+ return BCMA_DMA_TRANSLATION_DMA64_CMT;
+ else
+ return BCMA_DMA_TRANSLATION_DMA32_CMT;
+ default:
+ bcma_err(core->bus, "DMA translation unknown for host %d\n",
+ core->bus->hosttype);
+ }
+ return BCMA_DMA_TRANSLATION_NONE;
+}
+EXPORT_SYMBOL(bcma_core_dma_translation);
diff --git a/drivers/bcma/driver_chipcommon.c b/drivers/bcma/driver_chipcommon.c
new file mode 100644
index 0000000..e54eba2
--- /dev/null
+++ b/drivers/bcma/driver_chipcommon.c
@@ -0,0 +1,421 @@
+/*
+ * Broadcom specific AMBA
+ * ChipCommon core driver
+ *
+ * Copyright 2005, Broadcom Corporation
+ * Copyright 2006, 2007, Michael Buesch <m@bues.ch>
+ * Copyright 2012, Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+#include <linux/bcm47xx_wdt.h>
+#include <linux/export.h>
+#include <linux/platform_device.h>
+#include <linux/bcma/bcma.h>
+
+static inline u32 bcma_cc_write32_masked(struct bcma_drv_cc *cc, u16 offset,
+ u32 mask, u32 value)
+{
+ value &= mask;
+ value |= bcma_cc_read32(cc, offset) & ~mask;
+ bcma_cc_write32(cc, offset, value);
+
+ return value;
+}
+
+u32 bcma_chipco_get_alp_clock(struct bcma_drv_cc *cc)
+{
+ if (cc->capabilities & BCMA_CC_CAP_PMU)
+ return bcma_pmu_get_alp_clock(cc);
+
+ return 20000000;
+}
+EXPORT_SYMBOL_GPL(bcma_chipco_get_alp_clock);
+
+static bool bcma_core_cc_has_pmu_watchdog(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+
+ if (cc->capabilities & BCMA_CC_CAP_PMU) {
+ if (bus->chipinfo.id == BCMA_CHIP_ID_BCM53573) {
+ WARN(bus->chipinfo.rev <= 1, "No watchdog available\n");
+ /* 53573B0 and 53573B1 have bugged PMU watchdog. It can
+ * be enabled but timer can't be bumped. Use CC one
+ * instead.
+ */
+ return false;
+ }
+ return true;
+ } else {
+ return false;
+ }
+}
+
+static u32 bcma_chipco_watchdog_get_max_timer(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+ u32 nb;
+
+ if (bcma_core_cc_has_pmu_watchdog(cc)) {
+ if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706)
+ nb = 32;
+ else if (cc->core->id.rev < 26)
+ nb = 16;
+ else
+ nb = (cc->core->id.rev >= 37) ? 32 : 24;
+ } else {
+ nb = 28;
+ }
+ if (nb == 32)
+ return 0xffffffff;
+ else
+ return (1 << nb) - 1;
+}
+
+static u32 bcma_chipco_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt,
+ u32 ticks)
+{
+ struct bcma_drv_cc *cc = bcm47xx_wdt_get_drvdata(wdt);
+
+ return bcma_chipco_watchdog_timer_set(cc, ticks);
+}
+
+static u32 bcma_chipco_watchdog_timer_set_ms_wdt(struct bcm47xx_wdt *wdt,
+ u32 ms)
+{
+ struct bcma_drv_cc *cc = bcm47xx_wdt_get_drvdata(wdt);
+ u32 ticks;
+
+ ticks = bcma_chipco_watchdog_timer_set(cc, cc->ticks_per_ms * ms);
+ return ticks / cc->ticks_per_ms;
+}
+
+static int bcma_chipco_watchdog_ticks_per_ms(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+
+ if (cc->capabilities & BCMA_CC_CAP_PMU) {
+ if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706)
+ /* 4706 CC and PMU watchdogs are clocked at 1/4 of ALP
+ * clock
+ */
+ return bcma_chipco_get_alp_clock(cc) / 4000;
+ else
+ /* based on 32KHz ILP clock */
+ return 32;
+ } else {
+ return bcma_chipco_get_alp_clock(cc) / 1000;
+ }
+}
+
+int bcma_chipco_watchdog_register(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+ struct bcm47xx_wdt wdt = {};
+ struct platform_device *pdev;
+
+ if (bus->chipinfo.id == BCMA_CHIP_ID_BCM53573 &&
+ bus->chipinfo.rev <= 1) {
+ pr_debug("No watchdog on 53573A0 / 53573A1\n");
+ return 0;
+ }
+
+ wdt.driver_data = cc;
+ wdt.timer_set = bcma_chipco_watchdog_timer_set_wdt;
+ wdt.timer_set_ms = bcma_chipco_watchdog_timer_set_ms_wdt;
+ wdt.max_timer_ms =
+ bcma_chipco_watchdog_get_max_timer(cc) / cc->ticks_per_ms;
+
+ pdev = platform_device_register_data(NULL, "bcm47xx-wdt",
+ bus->num, &wdt,
+ sizeof(wdt));
+ if (IS_ERR(pdev))
+ return PTR_ERR(pdev);
+
+ cc->watchdog = pdev;
+
+ return 0;
+}
+
+static void bcma_core_chipcommon_flash_detect(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+
+ switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
+ case BCMA_CC_FLASHT_STSER:
+ case BCMA_CC_FLASHT_ATSER:
+ bcma_debug(bus, "Found serial flash\n");
+ bcma_sflash_init(cc);
+ break;
+ case BCMA_CC_FLASHT_PARA:
+ bcma_debug(bus, "Found parallel flash\n");
+ bcma_pflash_init(cc);
+ break;
+ default:
+ bcma_err(bus, "Flash type not supported\n");
+ }
+
+ if (cc->core->id.rev == 38 ||
+ bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) {
+ if (cc->capabilities & BCMA_CC_CAP_NFLASH) {
+ bcma_debug(bus, "Found NAND flash\n");
+ bcma_nflash_init(cc);
+ }
+ }
+}
+
+void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+
+ if (cc->early_setup_done)
+ return;
+
+ spin_lock_init(&cc->gpio_lock);
+
+ if (cc->core->id.rev >= 11)
+ cc->status = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
+ cc->capabilities = bcma_cc_read32(cc, BCMA_CC_CAP);
+ if (cc->core->id.rev >= 35)
+ cc->capabilities_ext = bcma_cc_read32(cc, BCMA_CC_CAP_EXT);
+
+ if (cc->capabilities & BCMA_CC_CAP_PMU)
+ bcma_pmu_early_init(cc);
+
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC)
+ bcma_core_chipcommon_flash_detect(cc);
+
+ cc->early_setup_done = true;
+}
+
+void bcma_core_chipcommon_init(struct bcma_drv_cc *cc)
+{
+ u32 leddc_on = 10;
+ u32 leddc_off = 90;
+
+ if (cc->setup_done)
+ return;
+
+ bcma_core_chipcommon_early_init(cc);
+
+ if (cc->core->id.rev >= 20) {
+ u32 pullup = 0, pulldown = 0;
+
+ if (cc->core->bus->chipinfo.id == BCMA_CHIP_ID_BCM43142) {
+ pullup = 0x402e0;
+ pulldown = 0x20500;
+ }
+
+ bcma_cc_write32(cc, BCMA_CC_GPIOPULLUP, pullup);
+ bcma_cc_write32(cc, BCMA_CC_GPIOPULLDOWN, pulldown);
+ }
+
+ if (cc->capabilities & BCMA_CC_CAP_PMU)
+ bcma_pmu_init(cc);
+ if (cc->capabilities & BCMA_CC_CAP_PCTL)
+ bcma_err(cc->core->bus, "Power control not implemented!\n");
+
+ if (cc->core->id.rev >= 16) {
+ if (cc->core->bus->sprom.leddc_on_time &&
+ cc->core->bus->sprom.leddc_off_time) {
+ leddc_on = cc->core->bus->sprom.leddc_on_time;
+ leddc_off = cc->core->bus->sprom.leddc_off_time;
+ }
+ bcma_cc_write32(cc, BCMA_CC_GPIOTIMER,
+ ((leddc_on << BCMA_CC_GPIOTIMER_ONTIME_SHIFT) |
+ (leddc_off << BCMA_CC_GPIOTIMER_OFFTIME_SHIFT)));
+ }
+ cc->ticks_per_ms = bcma_chipco_watchdog_ticks_per_ms(cc);
+
+ cc->setup_done = true;
+}
+
+/* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */
+u32 bcma_chipco_watchdog_timer_set(struct bcma_drv_cc *cc, u32 ticks)
+{
+ u32 maxt;
+
+ maxt = bcma_chipco_watchdog_get_max_timer(cc);
+ if (bcma_core_cc_has_pmu_watchdog(cc)) {
+ if (ticks == 1)
+ ticks = 2;
+ else if (ticks > maxt)
+ ticks = maxt;
+ bcma_pmu_write32(cc, BCMA_CC_PMU_WATCHDOG, ticks);
+ } else {
+ struct bcma_bus *bus = cc->core->bus;
+
+ if (bus->chipinfo.id != BCMA_CHIP_ID_BCM4707 &&
+ bus->chipinfo.id != BCMA_CHIP_ID_BCM47094 &&
+ bus->chipinfo.id != BCMA_CHIP_ID_BCM53018)
+ bcma_core_set_clockmode(cc->core,
+ ticks ? BCMA_CLKMODE_FAST : BCMA_CLKMODE_DYNAMIC);
+
+ if (ticks > maxt)
+ ticks = maxt;
+ /* instant NMI */
+ bcma_cc_write32(cc, BCMA_CC_WATCHDOG, ticks);
+ }
+ return ticks;
+}
+
+void bcma_chipco_irq_mask(struct bcma_drv_cc *cc, u32 mask, u32 value)
+{
+ bcma_cc_write32_masked(cc, BCMA_CC_IRQMASK, mask, value);
+}
+
+u32 bcma_chipco_irq_status(struct bcma_drv_cc *cc, u32 mask)
+{
+ return bcma_cc_read32(cc, BCMA_CC_IRQSTAT) & mask;
+}
+
+u32 bcma_chipco_gpio_in(struct bcma_drv_cc *cc, u32 mask)
+{
+ return bcma_cc_read32(cc, BCMA_CC_GPIOIN) & mask;
+}
+
+u32 bcma_chipco_gpio_out(struct bcma_drv_cc *cc, u32 mask, u32 value)
+{
+ unsigned long flags;
+ u32 res;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUT, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
+}
+EXPORT_SYMBOL_GPL(bcma_chipco_gpio_out);
+
+u32 bcma_chipco_gpio_outen(struct bcma_drv_cc *cc, u32 mask, u32 value)
+{
+ unsigned long flags;
+ u32 res;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUTEN, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
+}
+EXPORT_SYMBOL_GPL(bcma_chipco_gpio_outen);
+
+/*
+ * If the bit is set to 0, chipcommon controlls this GPIO,
+ * if the bit is set to 1, it is used by some part of the chip and not our code.
+ */
+u32 bcma_chipco_gpio_control(struct bcma_drv_cc *cc, u32 mask, u32 value)
+{
+ unsigned long flags;
+ u32 res;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOCTL, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
+}
+EXPORT_SYMBOL_GPL(bcma_chipco_gpio_control);
+
+u32 bcma_chipco_gpio_intmask(struct bcma_drv_cc *cc, u32 mask, u32 value)
+{
+ unsigned long flags;
+ u32 res;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOIRQ, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
+}
+
+u32 bcma_chipco_gpio_polarity(struct bcma_drv_cc *cc, u32 mask, u32 value)
+{
+ unsigned long flags;
+ u32 res;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOPOL, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
+}
+
+u32 bcma_chipco_gpio_pullup(struct bcma_drv_cc *cc, u32 mask, u32 value)
+{
+ unsigned long flags;
+ u32 res;
+
+ if (cc->core->id.rev < 20)
+ return 0;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOPULLUP, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
+}
+
+u32 bcma_chipco_gpio_pulldown(struct bcma_drv_cc *cc, u32 mask, u32 value)
+{
+ unsigned long flags;
+ u32 res;
+
+ if (cc->core->id.rev < 20)
+ return 0;
+
+ spin_lock_irqsave(&cc->gpio_lock, flags);
+ res = bcma_cc_write32_masked(cc, BCMA_CC_GPIOPULLDOWN, mask, value);
+ spin_unlock_irqrestore(&cc->gpio_lock, flags);
+
+ return res;
+}
+
+#ifdef CPTCFG_BCMA_DRIVER_MIPS
+void bcma_chipco_serial_init(struct bcma_drv_cc *cc)
+{
+ unsigned int irq;
+ u32 baud_base;
+ u32 i;
+ unsigned int ccrev = cc->core->id.rev;
+ struct bcma_serial_port *ports = cc->serial_ports;
+
+ if (ccrev >= 11 && ccrev != 15) {
+ baud_base = bcma_chipco_get_alp_clock(cc);
+ if (ccrev >= 21) {
+ /* Turn off UART clock before switching clocksource. */
+ bcma_cc_write32(cc, BCMA_CC_CORECTL,
+ bcma_cc_read32(cc, BCMA_CC_CORECTL)
+ & ~BCMA_CC_CORECTL_UARTCLKEN);
+ }
+ /* Set the override bit so we don't divide it */
+ bcma_cc_write32(cc, BCMA_CC_CORECTL,
+ bcma_cc_read32(cc, BCMA_CC_CORECTL)
+ | BCMA_CC_CORECTL_UARTCLK0);
+ if (ccrev >= 21) {
+ /* Re-enable the UART clock. */
+ bcma_cc_write32(cc, BCMA_CC_CORECTL,
+ bcma_cc_read32(cc, BCMA_CC_CORECTL)
+ | BCMA_CC_CORECTL_UARTCLKEN);
+ }
+ } else {
+ bcma_err(cc->core->bus, "serial not supported on this device ccrev: 0x%x\n",
+ ccrev);
+ return;
+ }
+
+ irq = bcma_core_irq(cc->core, 0);
+
+ /* Determine the registers of the UARTs */
+ cc->nr_serial_ports = (cc->capabilities & BCMA_CC_CAP_NRUART);
+ for (i = 0; i < cc->nr_serial_ports; i++) {
+ ports[i].regs = cc->core->io_addr + BCMA_CC_UART0_DATA +
+ (i * 256);
+ ports[i].irq = irq;
+ ports[i].baud_base = baud_base;
+ ports[i].reg_shift = 0;
+ }
+}
+#endif /* CPTCFG_BCMA_DRIVER_MIPS */
diff --git a/drivers/bcma/driver_chipcommon_b.c b/drivers/bcma/driver_chipcommon_b.c
new file mode 100644
index 0000000..57f10b5
--- /dev/null
+++ b/drivers/bcma/driver_chipcommon_b.c
@@ -0,0 +1,62 @@
+/*
+ * Broadcom specific AMBA
+ * ChipCommon B Unit driver
+ *
+ * Copyright 2014, Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+#include <linux/export.h>
+#include <linux/bcma/bcma.h>
+
+static bool bcma_wait_reg(struct bcma_bus *bus, void __iomem *addr, u32 mask,
+ u32 value, int timeout)
+{
+ unsigned long deadline = jiffies + timeout;
+ u32 val;
+
+ do {
+ val = readl(addr);
+ if ((val & mask) == value)
+ return true;
+ cpu_relax();
+ udelay(10);
+ } while (!time_after_eq(jiffies, deadline));
+
+ bcma_err(bus, "Timeout waiting for register %p\n", addr);
+
+ return false;
+}
+
+void bcma_chipco_b_mii_write(struct bcma_drv_cc_b *ccb, u32 offset, u32 value)
+{
+ struct bcma_bus *bus = ccb->core->bus;
+ void __iomem *mii = ccb->mii;
+
+ writel(offset, mii + BCMA_CCB_MII_MNG_CTL);
+ bcma_wait_reg(bus, mii + BCMA_CCB_MII_MNG_CTL, 0x0100, 0x0000, 100);
+ writel(value, mii + BCMA_CCB_MII_MNG_CMD_DATA);
+ bcma_wait_reg(bus, mii + BCMA_CCB_MII_MNG_CTL, 0x0100, 0x0000, 100);
+}
+EXPORT_SYMBOL_GPL(bcma_chipco_b_mii_write);
+
+int bcma_core_chipcommon_b_init(struct bcma_drv_cc_b *ccb)
+{
+ if (ccb->setup_done)
+ return 0;
+
+ ccb->setup_done = 1;
+ ccb->mii = ioremap_nocache(ccb->core->addr_s[1], BCMA_CORE_SIZE);
+ if (!ccb->mii)
+ return -ENOMEM;
+
+ return 0;
+}
+
+void bcma_core_chipcommon_b_free(struct bcma_drv_cc_b *ccb)
+{
+ if (ccb->mii)
+ iounmap(ccb->mii);
+}
diff --git a/drivers/bcma/driver_chipcommon_nflash.c b/drivers/bcma/driver_chipcommon_nflash.c
new file mode 100644
index 0000000..d4f699a
--- /dev/null
+++ b/drivers/bcma/driver_chipcommon_nflash.c
@@ -0,0 +1,44 @@
+/*
+ * Broadcom specific AMBA
+ * ChipCommon NAND flash interface
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+
+#include <linux/platform_device.h>
+#include <linux/bcma/bcma.h>
+
+struct platform_device bcma_nflash_dev = {
+ .name = "bcma_nflash",
+ .num_resources = 0,
+};
+
+/* Initialize NAND flash access */
+int bcma_nflash_init(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+
+ if (bus->chipinfo.id != BCMA_CHIP_ID_BCM4706 &&
+ cc->core->id.rev != 38) {
+ bcma_err(bus, "NAND flash on unsupported board!\n");
+ return -ENOTSUPP;
+ }
+
+ if (!(cc->capabilities & BCMA_CC_CAP_NFLASH)) {
+ bcma_err(bus, "NAND flash not present according to ChipCommon\n");
+ return -ENODEV;
+ }
+
+ cc->nflash.present = true;
+ if (cc->core->id.rev == 38 &&
+ (cc->status & BCMA_CC_CHIPST_5357_NAND_BOOT))
+ cc->nflash.boot = true;
+
+ /* Prepare platform device, but don't register it yet. It's too early,
+ * malloc (required by device_private_init) is not available yet. */
+ bcma_nflash_dev.dev.platform_data = &cc->nflash;
+
+ return 0;
+}
diff --git a/drivers/bcma/driver_chipcommon_pflash.c b/drivers/bcma/driver_chipcommon_pflash.c
new file mode 100644
index 0000000..3b497c9
--- /dev/null
+++ b/drivers/bcma/driver_chipcommon_pflash.c
@@ -0,0 +1,49 @@
+/*
+ * Broadcom specific AMBA
+ * ChipCommon parallel flash
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+
+#include <linux/bcma/bcma.h>
+#include <linux/mtd/physmap.h>
+#include <linux/platform_device.h>
+
+static const char * const part_probes[] = { "bcm47xxpart", NULL };
+
+static struct physmap_flash_data bcma_pflash_data = {
+ .part_probe_types = part_probes,
+};
+
+static struct resource bcma_pflash_resource = {
+ .name = "bcma_pflash",
+ .flags = IORESOURCE_MEM,
+};
+
+struct platform_device bcma_pflash_dev = {
+ .name = "physmap-flash",
+ .dev = {
+ .platform_data = &bcma_pflash_data,
+ },
+ .resource = &bcma_pflash_resource,
+ .num_resources = 1,
+};
+
+int bcma_pflash_init(struct bcma_drv_cc *cc)
+{
+ struct bcma_pflash *pflash = &cc->pflash;
+
+ pflash->present = true;
+
+ if (!(bcma_read32(cc->core, BCMA_CC_FLASH_CFG) & BCMA_CC_FLASH_CFG_DS))
+ bcma_pflash_data.width = 1;
+ else
+ bcma_pflash_data.width = 2;
+
+ bcma_pflash_resource.start = BCMA_SOC_FLASH2;
+ bcma_pflash_resource.end = BCMA_SOC_FLASH2 + BCMA_SOC_FLASH2_SZ;
+
+ return 0;
+}
diff --git a/drivers/bcma/driver_chipcommon_pmu.c b/drivers/bcma/driver_chipcommon_pmu.c
new file mode 100644
index 0000000..f416106
--- /dev/null
+++ b/drivers/bcma/driver_chipcommon_pmu.c
@@ -0,0 +1,662 @@
+/*
+ * Broadcom specific AMBA
+ * ChipCommon Power Management Unit driver
+ *
+ * Copyright 2009, Michael Buesch <m@bues.ch>
+ * Copyright 2007, 2011, Broadcom Corporation
+ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+#include <linux/export.h>
+#include <linux/bcma/bcma.h>
+
+u32 bcma_chipco_pll_read(struct bcma_drv_cc *cc, u32 offset)
+{
+ bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR, offset);
+ bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_ADDR);
+ return bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_DATA);
+}
+EXPORT_SYMBOL_GPL(bcma_chipco_pll_read);
+
+void bcma_chipco_pll_write(struct bcma_drv_cc *cc, u32 offset, u32 value)
+{
+ bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR, offset);
+ bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_ADDR);
+ bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_DATA, value);
+}
+EXPORT_SYMBOL_GPL(bcma_chipco_pll_write);
+
+void bcma_chipco_pll_maskset(struct bcma_drv_cc *cc, u32 offset, u32 mask,
+ u32 set)
+{
+ bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR, offset);
+ bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_ADDR);
+ bcma_pmu_maskset32(cc, BCMA_CC_PMU_PLLCTL_DATA, mask, set);
+}
+EXPORT_SYMBOL_GPL(bcma_chipco_pll_maskset);
+
+void bcma_chipco_chipctl_maskset(struct bcma_drv_cc *cc,
+ u32 offset, u32 mask, u32 set)
+{
+ bcma_pmu_write32(cc, BCMA_CC_PMU_CHIPCTL_ADDR, offset);
+ bcma_pmu_read32(cc, BCMA_CC_PMU_CHIPCTL_ADDR);
+ bcma_pmu_maskset32(cc, BCMA_CC_PMU_CHIPCTL_DATA, mask, set);
+}
+EXPORT_SYMBOL_GPL(bcma_chipco_chipctl_maskset);
+
+void bcma_chipco_regctl_maskset(struct bcma_drv_cc *cc, u32 offset, u32 mask,
+ u32 set)
+{
+ bcma_pmu_write32(cc, BCMA_CC_PMU_REGCTL_ADDR, offset);
+ bcma_pmu_read32(cc, BCMA_CC_PMU_REGCTL_ADDR);
+ bcma_pmu_maskset32(cc, BCMA_CC_PMU_REGCTL_DATA, mask, set);
+}
+EXPORT_SYMBOL_GPL(bcma_chipco_regctl_maskset);
+
+static u32 bcma_pmu_xtalfreq(struct bcma_drv_cc *cc)
+{
+ u32 ilp_ctl, alp_hz;
+
+ if (!(bcma_pmu_read32(cc, BCMA_CC_PMU_STAT) &
+ BCMA_CC_PMU_STAT_EXT_LPO_AVAIL))
+ return 0;
+
+ bcma_pmu_write32(cc, BCMA_CC_PMU_XTAL_FREQ,
+ BIT(BCMA_CC_PMU_XTAL_FREQ_MEASURE_SHIFT));
+ usleep_range(1000, 2000);
+
+ ilp_ctl = bcma_pmu_read32(cc, BCMA_CC_PMU_XTAL_FREQ);
+ ilp_ctl &= BCMA_CC_PMU_XTAL_FREQ_ILPCTL_MASK;
+
+ bcma_pmu_write32(cc, BCMA_CC_PMU_XTAL_FREQ, 0);
+
+ alp_hz = ilp_ctl * 32768 / 4;
+ return (alp_hz + 50000) / 100000 * 100;
+}
+
+static void bcma_pmu2_pll_init0(struct bcma_drv_cc *cc, u32 xtalfreq)
+{
+ struct bcma_bus *bus = cc->core->bus;
+ u32 freq_tgt_target = 0, freq_tgt_current;
+ u32 pll0, mask;
+
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM43142:
+ /* pmu2_xtaltab0_adfll_485 */
+ switch (xtalfreq) {
+ case 12000:
+ freq_tgt_target = 0x50D52;
+ break;
+ case 20000:
+ freq_tgt_target = 0x307FE;
+ break;
+ case 26000:
+ freq_tgt_target = 0x254EA;
+ break;
+ case 37400:
+ freq_tgt_target = 0x19EF8;
+ break;
+ case 52000:
+ freq_tgt_target = 0x12A75;
+ break;
+ }
+ break;
+ }
+
+ if (!freq_tgt_target) {
+ bcma_err(bus, "Unknown TGT frequency for xtalfreq %d\n",
+ xtalfreq);
+ return;
+ }
+
+ pll0 = bcma_chipco_pll_read(cc, BCMA_CC_PMU15_PLL_PLLCTL0);
+ freq_tgt_current = (pll0 & BCMA_CC_PMU15_PLL_PC0_FREQTGT_MASK) >>
+ BCMA_CC_PMU15_PLL_PC0_FREQTGT_SHIFT;
+
+ if (freq_tgt_current == freq_tgt_target) {
+ bcma_debug(bus, "Target TGT frequency already set\n");
+ return;
+ }
+
+ /* Turn off PLL */
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM43142:
+ mask = (u32)~(BCMA_RES_4314_HT_AVAIL |
+ BCMA_RES_4314_MACPHY_CLK_AVAIL);
+
+ bcma_pmu_mask32(cc, BCMA_CC_PMU_MINRES_MSK, mask);
+ bcma_pmu_mask32(cc, BCMA_CC_PMU_MAXRES_MSK, mask);
+ bcma_wait_value(cc->core, BCMA_CLKCTLST,
+ BCMA_CLKCTLST_HAVEHT, 0, 20000);
+ break;
+ }
+
+ pll0 &= ~BCMA_CC_PMU15_PLL_PC0_FREQTGT_MASK;
+ pll0 |= freq_tgt_target << BCMA_CC_PMU15_PLL_PC0_FREQTGT_SHIFT;
+ bcma_chipco_pll_write(cc, BCMA_CC_PMU15_PLL_PLLCTL0, pll0);
+
+ /* Flush */
+ if (cc->pmu.rev >= 2)
+ bcma_pmu_set32(cc, BCMA_CC_PMU_CTL, BCMA_CC_PMU_CTL_PLL_UPD);
+
+ /* TODO: Do we need to update OTP? */
+}
+
+static void bcma_pmu_pll_init(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+ u32 xtalfreq = bcma_pmu_xtalfreq(cc);
+
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM43142:
+ if (xtalfreq == 0)
+ xtalfreq = 20000;
+ bcma_pmu2_pll_init0(cc, xtalfreq);
+ break;
+ }
+}
+
+static void bcma_pmu_resources_init(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+ u32 min_msk = 0, max_msk = 0;
+
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM4313:
+ min_msk = 0x200D;
+ max_msk = 0xFFFF;
+ break;
+ case BCMA_CHIP_ID_BCM43142:
+ min_msk = BCMA_RES_4314_LPLDO_PU |
+ BCMA_RES_4314_PMU_SLEEP_DIS |
+ BCMA_RES_4314_PMU_BG_PU |
+ BCMA_RES_4314_CBUCK_LPOM_PU |
+ BCMA_RES_4314_CBUCK_PFM_PU |
+ BCMA_RES_4314_CLDO_PU |
+ BCMA_RES_4314_LPLDO2_LVM |
+ BCMA_RES_4314_WL_PMU_PU |
+ BCMA_RES_4314_LDO3P3_PU |
+ BCMA_RES_4314_OTP_PU |
+ BCMA_RES_4314_WL_PWRSW_PU |
+ BCMA_RES_4314_LQ_AVAIL |
+ BCMA_RES_4314_LOGIC_RET |
+ BCMA_RES_4314_MEM_SLEEP |
+ BCMA_RES_4314_MACPHY_RET |
+ BCMA_RES_4314_WL_CORE_READY;
+ max_msk = 0x3FFFFFFF;
+ break;
+ default:
+ bcma_debug(bus, "PMU resource config unknown or not needed for device 0x%04X\n",
+ bus->chipinfo.id);
+ }
+
+ /* Set the resource masks. */
+ if (min_msk)
+ bcma_pmu_write32(cc, BCMA_CC_PMU_MINRES_MSK, min_msk);
+ if (max_msk)
+ bcma_pmu_write32(cc, BCMA_CC_PMU_MAXRES_MSK, max_msk);
+
+ /*
+ * Add some delay; allow resources to come up and settle.
+ * Delay is required for SoC (early init).
+ */
+ usleep_range(2000, 2500);
+}
+
+/* Disable to allow reading SPROM. Don't know the adventages of enabling it. */
+void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable)
+{
+ struct bcma_bus *bus = cc->core->bus;
+ u32 val;
+
+ val = bcma_cc_read32(cc, BCMA_CC_CHIPCTL);
+ if (enable) {
+ val |= BCMA_CHIPCTL_4331_EXTPA_EN;
+ if (bus->chipinfo.pkg == 9 || bus->chipinfo.pkg == 11)
+ val |= BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5;
+ else if (bus->chipinfo.rev > 0)
+ val |= BCMA_CHIPCTL_4331_EXTPA_EN2;
+ } else {
+ val &= ~BCMA_CHIPCTL_4331_EXTPA_EN;
+ val &= ~BCMA_CHIPCTL_4331_EXTPA_EN2;
+ val &= ~BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5;
+ }
+ bcma_cc_write32(cc, BCMA_CC_CHIPCTL, val);
+}
+
+static void bcma_pmu_workarounds(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM4313:
+ /* enable 12 mA drive strenth for 4313 and set chipControl
+ register bit 1 */
+ bcma_chipco_chipctl_maskset(cc, 0,
+ ~BCMA_CCTRL_4313_12MA_LED_DRIVE,
+ BCMA_CCTRL_4313_12MA_LED_DRIVE);
+ break;
+ case BCMA_CHIP_ID_BCM4331:
+ case BCMA_CHIP_ID_BCM43431:
+ /* Ext PA lines must be enabled for tx on BCM4331 */
+ bcma_chipco_bcm4331_ext_pa_lines_ctl(cc, true);
+ break;
+ case BCMA_CHIP_ID_BCM43224:
+ case BCMA_CHIP_ID_BCM43421:
+ /* enable 12 mA drive strenth for 43224 and set chipControl
+ register bit 15 */
+ if (bus->chipinfo.rev == 0) {
+ bcma_cc_maskset32(cc, BCMA_CC_CHIPCTL,
+ ~BCMA_CCTRL_43224_GPIO_TOGGLE,
+ BCMA_CCTRL_43224_GPIO_TOGGLE);
+ bcma_chipco_chipctl_maskset(cc, 0,
+ ~BCMA_CCTRL_43224A0_12MA_LED_DRIVE,
+ BCMA_CCTRL_43224A0_12MA_LED_DRIVE);
+ } else {
+ bcma_chipco_chipctl_maskset(cc, 0,
+ ~BCMA_CCTRL_43224B0_12MA_LED_DRIVE,
+ BCMA_CCTRL_43224B0_12MA_LED_DRIVE);
+ }
+ break;
+ default:
+ bcma_debug(bus, "Workarounds unknown or not needed for device 0x%04X\n",
+ bus->chipinfo.id);
+ }
+}
+
+void bcma_pmu_early_init(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+ u32 pmucap;
+
+ if (cc->core->id.rev >= 35 &&
+ cc->capabilities_ext & BCMA_CC_CAP_EXT_AOB_PRESENT) {
+ cc->pmu.core = bcma_find_core(bus, BCMA_CORE_PMU);
+ if (!cc->pmu.core)
+ bcma_warn(bus, "Couldn't find expected PMU core");
+ }
+ if (!cc->pmu.core)
+ cc->pmu.core = cc->core;
+
+ pmucap = bcma_pmu_read32(cc, BCMA_CC_PMU_CAP);
+ cc->pmu.rev = (pmucap & BCMA_CC_PMU_CAP_REVISION);
+
+ bcma_debug(bus, "Found rev %u PMU (capabilities 0x%08X)\n", cc->pmu.rev,
+ pmucap);
+}
+
+void bcma_pmu_init(struct bcma_drv_cc *cc)
+{
+ if (cc->pmu.rev == 1)
+ bcma_pmu_mask32(cc, BCMA_CC_PMU_CTL,
+ ~BCMA_CC_PMU_CTL_NOILPONW);
+ else
+ bcma_pmu_set32(cc, BCMA_CC_PMU_CTL,
+ BCMA_CC_PMU_CTL_NOILPONW);
+
+ bcma_pmu_pll_init(cc);
+ bcma_pmu_resources_init(cc);
+ bcma_pmu_workarounds(cc);
+}
+
+u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM4313:
+ case BCMA_CHIP_ID_BCM43224:
+ case BCMA_CHIP_ID_BCM43225:
+ case BCMA_CHIP_ID_BCM43227:
+ case BCMA_CHIP_ID_BCM43228:
+ case BCMA_CHIP_ID_BCM4331:
+ case BCMA_CHIP_ID_BCM43421:
+ case BCMA_CHIP_ID_BCM43428:
+ case BCMA_CHIP_ID_BCM43431:
+ case BCMA_CHIP_ID_BCM4716:
+ case BCMA_CHIP_ID_BCM47162:
+ case BCMA_CHIP_ID_BCM4748:
+ case BCMA_CHIP_ID_BCM4749:
+ case BCMA_CHIP_ID_BCM5357:
+ case BCMA_CHIP_ID_BCM53572:
+ case BCMA_CHIP_ID_BCM6362:
+ /* always 20Mhz */
+ return 20000 * 1000;
+ case BCMA_CHIP_ID_BCM4706:
+ case BCMA_CHIP_ID_BCM5356:
+ /* always 25Mhz */
+ return 25000 * 1000;
+ case BCMA_CHIP_ID_BCM43460:
+ case BCMA_CHIP_ID_BCM4352:
+ case BCMA_CHIP_ID_BCM4360:
+ if (cc->status & BCMA_CC_CHIPST_4360_XTAL_40MZ)
+ return 40000 * 1000;
+ else
+ return 20000 * 1000;
+ default:
+ bcma_warn(bus, "No ALP clock specified for %04X device, pmu rev. %d, using default %d Hz\n",
+ bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_ALP_CLOCK);
+ }
+ return BCMA_CC_PMU_ALP_CLOCK;
+}
+
+/* Find the output of the "m" pll divider given pll controls that start with
+ * pllreg "pll0" i.e. 12 for main 6 for phy, 0 for misc.
+ */
+static u32 bcma_pmu_pll_clock(struct bcma_drv_cc *cc, u32 pll0, u32 m)
+{
+ u32 tmp, div, ndiv, p1, p2, fc;
+ struct bcma_bus *bus = cc->core->bus;
+
+ BUG_ON((pll0 & 3) || (pll0 > BCMA_CC_PMU4716_MAINPLL_PLL0));
+
+ BUG_ON(!m || m > 4);
+
+ if (bus->chipinfo.id == BCMA_CHIP_ID_BCM5357 ||
+ bus->chipinfo.id == BCMA_CHIP_ID_BCM4749) {
+ /* Detect failure in clock setting */
+ tmp = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
+ if (tmp & 0x40000)
+ return 133 * 1000000;
+ }
+
+ tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_P1P2_OFF);
+ p1 = (tmp & BCMA_CC_PPL_P1_MASK) >> BCMA_CC_PPL_P1_SHIFT;
+ p2 = (tmp & BCMA_CC_PPL_P2_MASK) >> BCMA_CC_PPL_P2_SHIFT;
+
+ tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_M14_OFF);
+ div = (tmp >> ((m - 1) * BCMA_CC_PPL_MDIV_WIDTH)) &
+ BCMA_CC_PPL_MDIV_MASK;
+
+ tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_NM5_OFF);
+ ndiv = (tmp & BCMA_CC_PPL_NDIV_MASK) >> BCMA_CC_PPL_NDIV_SHIFT;
+
+ /* Do calculation in Mhz */
+ fc = bcma_pmu_get_alp_clock(cc) / 1000000;
+ fc = (p1 * ndiv * fc) / p2;
+
+ /* Return clock in Hertz */
+ return (fc / div) * 1000000;
+}
+
+static u32 bcma_pmu_pll_clock_bcm4706(struct bcma_drv_cc *cc, u32 pll0, u32 m)
+{
+ u32 tmp, ndiv, p1div, p2div;
+ u32 clock;
+
+ BUG_ON(!m || m > 4);
+
+ /* Get N, P1 and P2 dividers to determine CPU clock */
+ tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PMU6_4706_PROCPLL_OFF);
+ ndiv = (tmp & BCMA_CC_PMU6_4706_PROC_NDIV_INT_MASK)
+ >> BCMA_CC_PMU6_4706_PROC_NDIV_INT_SHIFT;
+ p1div = (tmp & BCMA_CC_PMU6_4706_PROC_P1DIV_MASK)
+ >> BCMA_CC_PMU6_4706_PROC_P1DIV_SHIFT;
+ p2div = (tmp & BCMA_CC_PMU6_4706_PROC_P2DIV_MASK)
+ >> BCMA_CC_PMU6_4706_PROC_P2DIV_SHIFT;
+
+ tmp = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
+ if (tmp & BCMA_CC_CHIPST_4706_PKG_OPTION)
+ /* Low cost bonding: Fixed reference clock 25MHz and m = 4 */
+ clock = (25000000 / 4) * ndiv * p2div / p1div;
+ else
+ /* Fixed reference clock 25MHz and m = 2 */
+ clock = (25000000 / 2) * ndiv * p2div / p1div;
+
+ if (m == BCMA_CC_PMU5_MAINPLL_SSB)
+ clock = clock / 4;
+
+ return clock;
+}
+
+/* query bus clock frequency for PMU-enabled chipcommon */
+u32 bcma_pmu_get_bus_clock(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM4716:
+ case BCMA_CHIP_ID_BCM4748:
+ case BCMA_CHIP_ID_BCM47162:
+ return bcma_pmu_pll_clock(cc, BCMA_CC_PMU4716_MAINPLL_PLL0,
+ BCMA_CC_PMU5_MAINPLL_SSB);
+ case BCMA_CHIP_ID_BCM5356:
+ return bcma_pmu_pll_clock(cc, BCMA_CC_PMU5356_MAINPLL_PLL0,
+ BCMA_CC_PMU5_MAINPLL_SSB);
+ case BCMA_CHIP_ID_BCM5357:
+ case BCMA_CHIP_ID_BCM4749:
+ return bcma_pmu_pll_clock(cc, BCMA_CC_PMU5357_MAINPLL_PLL0,
+ BCMA_CC_PMU5_MAINPLL_SSB);
+ case BCMA_CHIP_ID_BCM4706:
+ return bcma_pmu_pll_clock_bcm4706(cc,
+ BCMA_CC_PMU4706_MAINPLL_PLL0,
+ BCMA_CC_PMU5_MAINPLL_SSB);
+ case BCMA_CHIP_ID_BCM53572:
+ return 75000000;
+ default:
+ bcma_warn(bus, "No bus clock specified for %04X device, pmu rev. %d, using default %d Hz\n",
+ bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_HT_CLOCK);
+ }
+ return BCMA_CC_PMU_HT_CLOCK;
+}
+EXPORT_SYMBOL_GPL(bcma_pmu_get_bus_clock);
+
+/* query cpu clock frequency for PMU-enabled chipcommon */
+u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+
+ if (bus->chipinfo.id == BCMA_CHIP_ID_BCM53572)
+ return 300000000;
+
+ /* New PMUs can have different clock for bus and CPU */
+ if (cc->pmu.rev >= 5) {
+ u32 pll;
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM4706:
+ return bcma_pmu_pll_clock_bcm4706(cc,
+ BCMA_CC_PMU4706_MAINPLL_PLL0,
+ BCMA_CC_PMU5_MAINPLL_CPU);
+ case BCMA_CHIP_ID_BCM5356:
+ pll = BCMA_CC_PMU5356_MAINPLL_PLL0;
+ break;
+ case BCMA_CHIP_ID_BCM5357:
+ case BCMA_CHIP_ID_BCM4749:
+ pll = BCMA_CC_PMU5357_MAINPLL_PLL0;
+ break;
+ default:
+ pll = BCMA_CC_PMU4716_MAINPLL_PLL0;
+ break;
+ }
+
+ return bcma_pmu_pll_clock(cc, pll, BCMA_CC_PMU5_MAINPLL_CPU);
+ }
+
+ /* On old PMUs CPU has the same clock as the bus */
+ return bcma_pmu_get_bus_clock(cc);
+}
+
+static void bcma_pmu_spuravoid_pll_write(struct bcma_drv_cc *cc, u32 offset,
+ u32 value)
+{
+ bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR, offset);
+ bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_DATA, value);
+}
+
+void bcma_pmu_spuravoid_pllupdate(struct bcma_drv_cc *cc, int spuravoid)
+{
+ u32 tmp = 0;
+ u8 phypll_offset = 0;
+ u8 bcm5357_bcm43236_p1div[] = {0x1, 0x5, 0x5};
+ u8 bcm5357_bcm43236_ndiv[] = {0x30, 0xf6, 0xfc};
+ struct bcma_bus *bus = cc->core->bus;
+
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM5357:
+ case BCMA_CHIP_ID_BCM4749:
+ case BCMA_CHIP_ID_BCM53572:
+ /* 5357[ab]0, 43236[ab]0, and 6362b0 */
+
+ /* BCM5357 needs to touch PLL1_PLLCTL[02],
+ so offset PLL0_PLLCTL[02] by 6 */
+ phypll_offset = (bus->chipinfo.id == BCMA_CHIP_ID_BCM5357 ||
+ bus->chipinfo.id == BCMA_CHIP_ID_BCM4749 ||
+ bus->chipinfo.id == BCMA_CHIP_ID_BCM53572) ? 6 : 0;
+
+ /* RMW only the P1 divider */
+ bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR,
+ BCMA_CC_PMU_PLL_CTL0 + phypll_offset);
+ tmp = bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_DATA);
+ tmp &= (~(BCMA_CC_PMU1_PLL0_PC0_P1DIV_MASK));
+ tmp |= (bcm5357_bcm43236_p1div[spuravoid] << BCMA_CC_PMU1_PLL0_PC0_P1DIV_SHIFT);
+ bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_DATA, tmp);
+
+ /* RMW only the int feedback divider */
+ bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR,
+ BCMA_CC_PMU_PLL_CTL2 + phypll_offset);
+ tmp = bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_DATA);
+ tmp &= ~(BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_MASK);
+ tmp |= (bcm5357_bcm43236_ndiv[spuravoid]) << BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_SHIFT;
+ bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_DATA, tmp);
+
+ tmp = BCMA_CC_PMU_CTL_PLL_UPD;
+ break;
+
+ case BCMA_CHIP_ID_BCM4331:
+ case BCMA_CHIP_ID_BCM43431:
+ if (spuravoid == 2) {
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
+ 0x11500014);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
+ 0x0FC00a08);
+ } else if (spuravoid == 1) {
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
+ 0x11500014);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
+ 0x0F600a08);
+ } else {
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
+ 0x11100014);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
+ 0x03000a08);
+ }
+ tmp = BCMA_CC_PMU_CTL_PLL_UPD;
+ break;
+
+ case BCMA_CHIP_ID_BCM43224:
+ case BCMA_CHIP_ID_BCM43225:
+ case BCMA_CHIP_ID_BCM43421:
+ if (spuravoid == 1) {
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
+ 0x11500010);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
+ 0x000C0C06);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
+ 0x0F600a08);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
+ 0x00000000);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
+ 0x2001E920);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
+ 0x88888815);
+ } else {
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
+ 0x11100010);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
+ 0x000c0c06);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
+ 0x03000a08);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
+ 0x00000000);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
+ 0x200005c0);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
+ 0x88888815);
+ }
+ tmp = BCMA_CC_PMU_CTL_PLL_UPD;
+ break;
+
+ case BCMA_CHIP_ID_BCM4716:
+ case BCMA_CHIP_ID_BCM4748:
+ case BCMA_CHIP_ID_BCM47162:
+ if (spuravoid == 1) {
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
+ 0x11500060);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
+ 0x080C0C06);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
+ 0x0F600000);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
+ 0x00000000);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
+ 0x2001E924);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
+ 0x88888815);
+ } else {
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
+ 0x11100060);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
+ 0x080c0c06);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
+ 0x03000000);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
+ 0x00000000);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
+ 0x200005c0);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
+ 0x88888815);
+ }
+
+ tmp = BCMA_CC_PMU_CTL_PLL_UPD | BCMA_CC_PMU_CTL_NOILPONW;
+ break;
+
+ case BCMA_CHIP_ID_BCM43131:
+ case BCMA_CHIP_ID_BCM43217:
+ case BCMA_CHIP_ID_BCM43227:
+ case BCMA_CHIP_ID_BCM43228:
+ case BCMA_CHIP_ID_BCM43428:
+ /* LCNXN */
+ /* PLL Settings for spur avoidance on/off mode,
+ no on2 support for 43228A0 */
+ if (spuravoid == 1) {
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
+ 0x01100014);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
+ 0x040C0C06);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
+ 0x03140A08);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
+ 0x00333333);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
+ 0x202C2820);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
+ 0x88888815);
+ } else {
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
+ 0x11100014);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
+ 0x040c0c06);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
+ 0x03000a08);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
+ 0x00000000);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
+ 0x200005c0);
+ bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
+ 0x88888815);
+ }
+ tmp = BCMA_CC_PMU_CTL_PLL_UPD;
+ break;
+ default:
+ bcma_err(bus, "Unknown spuravoidance settings for chip 0x%04X, not changing PLL\n",
+ bus->chipinfo.id);
+ break;
+ }
+
+ tmp |= bcma_pmu_read32(cc, BCMA_CC_PMU_CTL);
+ bcma_pmu_write32(cc, BCMA_CC_PMU_CTL, tmp);
+}
+EXPORT_SYMBOL_GPL(bcma_pmu_spuravoid_pllupdate);
diff --git a/drivers/bcma/driver_chipcommon_sflash.c b/drivers/bcma/driver_chipcommon_sflash.c
new file mode 100644
index 0000000..35b13a0
--- /dev/null
+++ b/drivers/bcma/driver_chipcommon_sflash.c
@@ -0,0 +1,165 @@
+/*
+ * Broadcom specific AMBA
+ * ChipCommon serial flash interface
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+
+#include <linux/platform_device.h>
+#include <linux/bcma/bcma.h>
+
+static struct resource bcma_sflash_resource = {
+ .name = "bcma_sflash",
+ .start = BCMA_SOC_FLASH2,
+ .end = 0,
+ .flags = IORESOURCE_MEM | IORESOURCE_READONLY,
+};
+
+struct platform_device bcma_sflash_dev = {
+ .name = "bcma_sflash",
+ .resource = &bcma_sflash_resource,
+ .num_resources = 1,
+};
+
+struct bcma_sflash_tbl_e {
+ char *name;
+ u32 id;
+ u32 blocksize;
+ u16 numblocks;
+};
+
+static const struct bcma_sflash_tbl_e bcma_sflash_st_tbl[] = {
+ { "M25P20", 0x11, 0x10000, 4, },
+ { "M25P40", 0x12, 0x10000, 8, },
+
+ { "M25P16", 0x14, 0x10000, 32, },
+ { "M25P32", 0x15, 0x10000, 64, },
+ { "M25P64", 0x16, 0x10000, 128, },
+ { "M25FL128", 0x17, 0x10000, 256, },
+ { "MX25L25635F", 0x18, 0x10000, 512, },
+ { NULL },
+};
+
+static const struct bcma_sflash_tbl_e bcma_sflash_sst_tbl[] = {
+ { "SST25WF512", 1, 0x1000, 16, },
+ { "SST25VF512", 0x48, 0x1000, 16, },
+ { "SST25WF010", 2, 0x1000, 32, },
+ { "SST25VF010", 0x49, 0x1000, 32, },
+ { "SST25WF020", 3, 0x1000, 64, },
+ { "SST25VF020", 0x43, 0x1000, 64, },
+ { "SST25WF040", 4, 0x1000, 128, },
+ { "SST25VF040", 0x44, 0x1000, 128, },
+ { "SST25VF040B", 0x8d, 0x1000, 128, },
+ { "SST25WF080", 5, 0x1000, 256, },
+ { "SST25VF080B", 0x8e, 0x1000, 256, },
+ { "SST25VF016", 0x41, 0x1000, 512, },
+ { "SST25VF032", 0x4a, 0x1000, 1024, },
+ { "SST25VF064", 0x4b, 0x1000, 2048, },
+ { NULL },
+};
+
+static const struct bcma_sflash_tbl_e bcma_sflash_at_tbl[] = {
+ { "AT45DB011", 0xc, 256, 512, },
+ { "AT45DB021", 0x14, 256, 1024, },
+ { "AT45DB041", 0x1c, 256, 2048, },
+ { "AT45DB081", 0x24, 256, 4096, },
+ { "AT45DB161", 0x2c, 512, 4096, },
+ { "AT45DB321", 0x34, 512, 8192, },
+ { "AT45DB642", 0x3c, 1024, 8192, },
+ { NULL },
+};
+
+static void bcma_sflash_cmd(struct bcma_drv_cc *cc, u32 opcode)
+{
+ int i;
+ bcma_cc_write32(cc, BCMA_CC_FLASHCTL,
+ BCMA_CC_FLASHCTL_START | opcode);
+ for (i = 0; i < 1000; i++) {
+ if (!(bcma_cc_read32(cc, BCMA_CC_FLASHCTL) &
+ BCMA_CC_FLASHCTL_BUSY))
+ return;
+ cpu_relax();
+ }
+ bcma_err(cc->core->bus, "SFLASH control command failed (timeout)!\n");
+}
+
+/* Initialize serial flash access */
+int bcma_sflash_init(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+ struct bcma_sflash *sflash = &cc->sflash;
+ const struct bcma_sflash_tbl_e *e;
+ u32 id, id2;
+
+ switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {
+ case BCMA_CC_FLASHT_STSER:
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_DP);
+
+ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, 0);
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_RES);
+ id = bcma_cc_read32(cc, BCMA_CC_FLASHDATA);
+
+ bcma_cc_write32(cc, BCMA_CC_FLASHADDR, 1);
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_RES);
+ id2 = bcma_cc_read32(cc, BCMA_CC_FLASHDATA);
+
+ switch (id) {
+ case 0xbf:
+ for (e = bcma_sflash_sst_tbl; e->name; e++) {
+ if (e->id == id2)
+ break;
+ }
+ break;
+ case 0x13:
+ return -ENOTSUPP;
+ default:
+ for (e = bcma_sflash_st_tbl; e->name; e++) {
+ if (e->id == id)
+ break;
+ }
+ break;
+ }
+ if (!e->name) {
+ bcma_err(bus, "Unsupported ST serial flash (id: 0x%X, id2: 0x%X)\n", id, id2);
+ return -ENOTSUPP;
+ }
+
+ break;
+ case BCMA_CC_FLASHT_ATSER:
+ bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_AT_STATUS);
+ id = bcma_cc_read32(cc, BCMA_CC_FLASHDATA) & 0x3c;
+
+ for (e = bcma_sflash_at_tbl; e->name; e++) {
+ if (e->id == id)
+ break;
+ }
+ if (!e->name) {
+ bcma_err(bus, "Unsupported Atmel serial flash (id: 0x%X)\n", id);
+ return -ENOTSUPP;
+ }
+
+ break;
+ default:
+ bcma_err(bus, "Unsupported flash type\n");
+ return -ENOTSUPP;
+ }
+
+ sflash->blocksize = e->blocksize;
+ sflash->numblocks = e->numblocks;
+ sflash->size = sflash->blocksize * sflash->numblocks;
+ sflash->present = true;
+
+ bcma_info(bus, "Found %s serial flash (size: %dKiB, blocksize: 0x%X, blocks: %d)\n",
+ e->name, sflash->size / 1024, sflash->blocksize,
+ sflash->numblocks);
+
+ /* Prepare platform device, but don't register it yet. It's too early,
+ * malloc (required by device_private_init) is not available yet. */
+ bcma_sflash_dev.resource[0].end = bcma_sflash_dev.resource[0].start +
+ sflash->size;
+ bcma_sflash_dev.dev.platform_data = sflash;
+
+ return 0;
+}
diff --git a/drivers/bcma/driver_gmac_cmn.c b/drivers/bcma/driver_gmac_cmn.c
new file mode 100644
index 0000000..dcb1379
--- /dev/null
+++ b/drivers/bcma/driver_gmac_cmn.c
@@ -0,0 +1,14 @@
+/*
+ * Broadcom specific AMBA
+ * GBIT MAC COMMON Core
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+#include <linux/bcma/bcma.h>
+
+void bcma_core_gmac_cmn_init(struct bcma_drv_gmac_cmn *gc)
+{
+ mutex_init(&gc->phy_mutex);
+}
diff --git a/drivers/bcma/driver_gpio.c b/drivers/bcma/driver_gpio.c
new file mode 100644
index 0000000..5a08b4c
--- /dev/null
+++ b/drivers/bcma/driver_gpio.c
@@ -0,0 +1,237 @@
+/*
+ * Broadcom specific AMBA
+ * GPIO driver
+ *
+ * Copyright 2011, Broadcom Corporation
+ * Copyright 2012, Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include <linux/gpio/driver.h>
+#include <linux/interrupt.h>
+#include <linux/export.h>
+#include <linux/bcma/bcma.h>
+
+#include "bcma_private.h"
+
+#define BCMA_GPIO_MAX_PINS 32
+
+static int bcma_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
+{
+ struct bcma_drv_cc *cc = gpiochip_get_data(chip);
+
+ return !!bcma_chipco_gpio_in(cc, 1 << gpio);
+}
+
+static void bcma_gpio_set_value(struct gpio_chip *chip, unsigned gpio,
+ int value)
+{
+ struct bcma_drv_cc *cc = gpiochip_get_data(chip);
+
+ bcma_chipco_gpio_out(cc, 1 << gpio, value ? 1 << gpio : 0);
+}
+
+static int bcma_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
+{
+ struct bcma_drv_cc *cc = gpiochip_get_data(chip);
+
+ bcma_chipco_gpio_outen(cc, 1 << gpio, 0);
+ return 0;
+}
+
+static int bcma_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,
+ int value)
+{
+ struct bcma_drv_cc *cc = gpiochip_get_data(chip);
+
+ bcma_chipco_gpio_outen(cc, 1 << gpio, 1 << gpio);
+ bcma_chipco_gpio_out(cc, 1 << gpio, value ? 1 << gpio : 0);
+ return 0;
+}
+
+static int bcma_gpio_request(struct gpio_chip *chip, unsigned gpio)
+{
+ struct bcma_drv_cc *cc = gpiochip_get_data(chip);
+
+ bcma_chipco_gpio_control(cc, 1 << gpio, 0);
+ /* clear pulldown */
+ bcma_chipco_gpio_pulldown(cc, 1 << gpio, 0);
+ /* Set pullup */
+ bcma_chipco_gpio_pullup(cc, 1 << gpio, 1 << gpio);
+
+ return 0;
+}
+
+static void bcma_gpio_free(struct gpio_chip *chip, unsigned gpio)
+{
+ struct bcma_drv_cc *cc = gpiochip_get_data(chip);
+
+ /* clear pullup */
+ bcma_chipco_gpio_pullup(cc, 1 << gpio, 0);
+}
+
+#if IS_BUILTIN(CONFIG_BCM47XX) || IS_BUILTIN(CONFIG_ARCH_BCM_5301X)
+
+static void bcma_gpio_irq_unmask(struct irq_data *d)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+ struct bcma_drv_cc *cc = gpiochip_get_data(gc);
+ int gpio = irqd_to_hwirq(d);
+ u32 val = bcma_chipco_gpio_in(cc, BIT(gpio));
+
+ bcma_chipco_gpio_polarity(cc, BIT(gpio), val);
+ bcma_chipco_gpio_intmask(cc, BIT(gpio), BIT(gpio));
+}
+
+static void bcma_gpio_irq_mask(struct irq_data *d)
+{
+ struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+ struct bcma_drv_cc *cc = gpiochip_get_data(gc);
+ int gpio = irqd_to_hwirq(d);
+
+ bcma_chipco_gpio_intmask(cc, BIT(gpio), 0);
+}
+
+static struct irq_chip bcma_gpio_irq_chip = {
+ .name = "BCMA-GPIO",
+ .irq_mask = bcma_gpio_irq_mask,
+ .irq_unmask = bcma_gpio_irq_unmask,
+};
+
+static irqreturn_t bcma_gpio_irq_handler(int irq, void *dev_id)
+{
+ struct bcma_drv_cc *cc = dev_id;
+ struct gpio_chip *gc = &cc->gpio;
+ u32 val = bcma_cc_read32(cc, BCMA_CC_GPIOIN);
+ u32 mask = bcma_cc_read32(cc, BCMA_CC_GPIOIRQ);
+ u32 pol = bcma_cc_read32(cc, BCMA_CC_GPIOPOL);
+ unsigned long irqs = (val ^ pol) & mask;
+ int gpio;
+
+ if (!irqs)
+ return IRQ_NONE;
+
+ for_each_set_bit(gpio, &irqs, gc->ngpio)
+ generic_handle_irq(irq_find_mapping(gc->irq.domain, gpio));
+ bcma_chipco_gpio_polarity(cc, irqs, val & irqs);
+
+ return IRQ_HANDLED;
+}
+
+static int bcma_gpio_irq_init(struct bcma_drv_cc *cc)
+{
+ struct gpio_chip *chip = &cc->gpio;
+ int hwirq, err;
+
+ if (cc->core->bus->hosttype != BCMA_HOSTTYPE_SOC)
+ return 0;
+
+ hwirq = bcma_core_irq(cc->core, 0);
+ err = request_irq(hwirq, bcma_gpio_irq_handler, IRQF_SHARED, "gpio",
+ cc);
+ if (err)
+ return err;
+
+ bcma_chipco_gpio_intmask(cc, ~0, 0);
+ bcma_cc_set32(cc, BCMA_CC_IRQMASK, BCMA_CC_IRQ_GPIO);
+
+ err = gpiochip_irqchip_add(chip,
+ &bcma_gpio_irq_chip,
+ 0,
+ handle_simple_irq,
+ IRQ_TYPE_NONE);
+ if (err) {
+ free_irq(hwirq, cc);
+ return err;
+ }
+
+ return 0;
+}
+
+static void bcma_gpio_irq_exit(struct bcma_drv_cc *cc)
+{
+ if (cc->core->bus->hosttype != BCMA_HOSTTYPE_SOC)
+ return;
+
+ bcma_cc_mask32(cc, BCMA_CC_IRQMASK, ~BCMA_CC_IRQ_GPIO);
+ free_irq(bcma_core_irq(cc->core, 0), cc);
+}
+#else
+static int bcma_gpio_irq_init(struct bcma_drv_cc *cc)
+{
+ return 0;
+}
+
+static void bcma_gpio_irq_exit(struct bcma_drv_cc *cc)
+{
+}
+#endif
+
+int bcma_gpio_init(struct bcma_drv_cc *cc)
+{
+ struct bcma_bus *bus = cc->core->bus;
+ struct gpio_chip *chip = &cc->gpio;
+ int err;
+
+ chip->label = "bcma_gpio";
+ chip->owner = THIS_MODULE;
+ chip->request = bcma_gpio_request;
+ chip->free = bcma_gpio_free;
+ chip->get = bcma_gpio_get_value;
+ chip->set = bcma_gpio_set_value;
+ chip->direction_input = bcma_gpio_direction_input;
+ chip->direction_output = bcma_gpio_direction_output;
+ chip->owner = THIS_MODULE;
+#if LINUX_VERSION_IS_GEQ(4,5,0)
+ chip->parent = bcma_bus_get_host_dev(bus);
+#else
+ chip->dev = bcma_bus_get_host_dev(bus);
+#endif /* LINUX_VERSION_IS_GEQ(4,5,0) */
+#if IS_BUILTIN(CONFIG_OF)
+ chip->of_node = cc->core->dev.of_node;
+#endif
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM4707:
+ case BCMA_CHIP_ID_BCM5357:
+ case BCMA_CHIP_ID_BCM53572:
+ case BCMA_CHIP_ID_BCM53573:
+ case BCMA_CHIP_ID_BCM47094:
+ chip->ngpio = 32;
+ break;
+ default:
+ chip->ngpio = 16;
+ }
+
+ /*
+ * Register SoC GPIO devices with absolute GPIO pin base.
+ * On MIPS, we don't have Device Tree and we can't use relative (per chip)
+ * GPIO numbers.
+ * On some ARM devices, user space may want to access some system GPIO
+ * pins directly, which is easier to do with a predictable GPIO base.
+ */
+ if (IS_BUILTIN(CONFIG_BCM47XX) ||
+ cc->core->bus->hosttype == BCMA_HOSTTYPE_SOC)
+ chip->base = bus->num * BCMA_GPIO_MAX_PINS;
+ else
+ chip->base = -1;
+
+ err = gpiochip_add_data(chip, cc);
+ if (err)
+ return err;
+
+ err = bcma_gpio_irq_init(cc);
+ if (err) {
+ gpiochip_remove(chip);
+ return err;
+ }
+
+ return 0;
+}
+
+int bcma_gpio_unregister(struct bcma_drv_cc *cc)
+{
+ bcma_gpio_irq_exit(cc);
+ gpiochip_remove(&cc->gpio);
+ return 0;
+}
diff --git a/drivers/bcma/driver_mips.c b/drivers/bcma/driver_mips.c
new file mode 100644
index 0000000..27e9686
--- /dev/null
+++ b/drivers/bcma/driver_mips.c
@@ -0,0 +1,383 @@
+/*
+ * Broadcom specific AMBA
+ * Broadcom MIPS32 74K core driver
+ *
+ * Copyright 2009, Broadcom Corporation
+ * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
+ * Copyright 2010, Bernhard Loos <bernhardloos@googlemail.com>
+ * Copyright 2011, Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+
+#include <linux/bcma/bcma.h>
+
+#include <linux/serial.h>
+#include <linux/serial_core.h>
+#include <linux/serial_reg.h>
+#include <linux/time.h>
+#ifdef CONFIG_BCM47XX
+#include <linux/bcm47xx_nvram.h>
+#endif
+
+enum bcma_boot_dev {
+ BCMA_BOOT_DEV_UNK = 0,
+ BCMA_BOOT_DEV_ROM,
+ BCMA_BOOT_DEV_PARALLEL,
+ BCMA_BOOT_DEV_SERIAL,
+ BCMA_BOOT_DEV_NAND,
+};
+
+/* The 47162a0 hangs when reading MIPS DMP registers registers */
+static inline bool bcma_core_mips_bcm47162a0_quirk(struct bcma_device *dev)
+{
+ return dev->bus->chipinfo.id == BCMA_CHIP_ID_BCM47162 &&
+ dev->bus->chipinfo.rev == 0 && dev->id.id == BCMA_CORE_MIPS_74K;
+}
+
+/* The 5357b0 hangs when reading USB20H DMP registers */
+static inline bool bcma_core_mips_bcm5357b0_quirk(struct bcma_device *dev)
+{
+ return (dev->bus->chipinfo.id == BCMA_CHIP_ID_BCM5357 ||
+ dev->bus->chipinfo.id == BCMA_CHIP_ID_BCM4749) &&
+ dev->bus->chipinfo.pkg == 11 &&
+ dev->id.id == BCMA_CORE_USB20_HOST;
+}
+
+static inline u32 mips_read32(struct bcma_drv_mips *mcore,
+ u16 offset)
+{
+ return bcma_read32(mcore->core, offset);
+}
+
+static inline void mips_write32(struct bcma_drv_mips *mcore,
+ u16 offset,
+ u32 value)
+{
+ bcma_write32(mcore->core, offset, value);
+}
+
+static const u32 ipsflag_irq_mask[] = {
+ 0,
+ BCMA_MIPS_IPSFLAG_IRQ1,
+ BCMA_MIPS_IPSFLAG_IRQ2,
+ BCMA_MIPS_IPSFLAG_IRQ3,
+ BCMA_MIPS_IPSFLAG_IRQ4,
+};
+
+static const u32 ipsflag_irq_shift[] = {
+ 0,
+ BCMA_MIPS_IPSFLAG_IRQ1_SHIFT,
+ BCMA_MIPS_IPSFLAG_IRQ2_SHIFT,
+ BCMA_MIPS_IPSFLAG_IRQ3_SHIFT,
+ BCMA_MIPS_IPSFLAG_IRQ4_SHIFT,
+};
+
+static u32 bcma_core_mips_irqflag(struct bcma_device *dev)
+{
+ u32 flag;
+
+ if (bcma_core_mips_bcm47162a0_quirk(dev))
+ return dev->core_index;
+ if (bcma_core_mips_bcm5357b0_quirk(dev))
+ return dev->core_index;
+ flag = bcma_aread32(dev, BCMA_MIPS_OOBSELOUTA30);
+
+ if (flag)
+ return flag & 0x1F;
+ else
+ return 0x3f;
+}
+
+/* Get the MIPS IRQ assignment for a specified device.
+ * If unassigned, 0 is returned.
+ * If disabled, 5 is returned.
+ * If not supported, 6 is returned.
+ */
+unsigned int bcma_core_mips_irq(struct bcma_device *dev)
+{
+ struct bcma_device *mdev = dev->bus->drv_mips.core;
+ u32 irqflag;
+ unsigned int irq;
+
+ irqflag = bcma_core_mips_irqflag(dev);
+ if (irqflag == 0x3f)
+ return 6;
+
+ for (irq = 0; irq <= 4; irq++)
+ if (bcma_read32(mdev, BCMA_MIPS_MIPS74K_INTMASK(irq)) &
+ (1 << irqflag))
+ return irq;
+
+ return 5;
+}
+
+static void bcma_core_mips_set_irq(struct bcma_device *dev, unsigned int irq)
+{
+ unsigned int oldirq = bcma_core_mips_irq(dev);
+ struct bcma_bus *bus = dev->bus;
+ struct bcma_device *mdev = bus->drv_mips.core;
+ u32 irqflag;
+
+ irqflag = bcma_core_mips_irqflag(dev);
+ BUG_ON(oldirq == 6);
+
+ dev->irq = irq + 2;
+
+ /* clear the old irq */
+ if (oldirq == 0)
+ bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0),
+ bcma_read32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0)) &
+ ~(1 << irqflag));
+ else if (oldirq != 5)
+ bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(oldirq), 0);
+
+ /* assign the new one */
+ if (irq == 0) {
+ bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0),
+ bcma_read32(mdev, BCMA_MIPS_MIPS74K_INTMASK(0)) |
+ (1 << irqflag));
+ } else {
+ u32 irqinitmask = bcma_read32(mdev,
+ BCMA_MIPS_MIPS74K_INTMASK(irq));
+ if (irqinitmask) {
+ struct bcma_device *core;
+
+ /* backplane irq line is in use, find out who uses
+ * it and set user to irq 0
+ */
+ list_for_each_entry(core, &bus->cores, list) {
+ if ((1 << bcma_core_mips_irqflag(core)) ==
+ irqinitmask) {
+ bcma_core_mips_set_irq(core, 0);
+ break;
+ }
+ }
+ }
+ bcma_write32(mdev, BCMA_MIPS_MIPS74K_INTMASK(irq),
+ 1 << irqflag);
+ }
+
+ bcma_debug(bus, "set_irq: core 0x%04x, irq %d => %d\n",
+ dev->id.id, oldirq <= 4 ? oldirq + 2 : 0, irq + 2);
+}
+
+static void bcma_core_mips_set_irq_name(struct bcma_bus *bus, unsigned int irq,
+ u16 coreid, u8 unit)
+{
+ struct bcma_device *core;
+
+ core = bcma_find_core_unit(bus, coreid, unit);
+ if (!core) {
+ bcma_warn(bus,
+ "Can not find core (id: 0x%x, unit %i) for IRQ configuration.\n",
+ coreid, unit);
+ return;
+ }
+
+ bcma_core_mips_set_irq(core, irq);
+}
+
+static void bcma_core_mips_print_irq(struct bcma_device *dev, unsigned int irq)
+{
+ int i;
+ static const char *irq_name[] = {"2(S)", "3", "4", "5", "6", "D", "I"};
+ char interrupts[25];
+ char *ints = interrupts;
+
+ for (i = 0; i < ARRAY_SIZE(irq_name); i++)
+ ints += sprintf(ints, " %s%c",
+ irq_name[i], i == irq ? '*' : ' ');
+
+ bcma_debug(dev->bus, "core 0x%04x, irq:%s\n", dev->id.id, interrupts);
+}
+
+static void bcma_core_mips_dump_irq(struct bcma_bus *bus)
+{
+ struct bcma_device *core;
+
+ list_for_each_entry(core, &bus->cores, list) {
+ bcma_core_mips_print_irq(core, bcma_core_mips_irq(core));
+ }
+}
+
+u32 bcma_cpu_clock(struct bcma_drv_mips *mcore)
+{
+ struct bcma_bus *bus = mcore->core->bus;
+
+ if (bus->drv_cc.capabilities & BCMA_CC_CAP_PMU)
+ return bcma_pmu_get_cpu_clock(&bus->drv_cc);
+
+ bcma_err(bus, "No PMU available, need this to get the cpu clock\n");
+ return 0;
+}
+EXPORT_SYMBOL(bcma_cpu_clock);
+
+static enum bcma_boot_dev bcma_boot_dev(struct bcma_bus *bus)
+{
+ struct bcma_drv_cc *cc = &bus->drv_cc;
+ u8 cc_rev = cc->core->id.rev;
+
+ if (cc_rev == 42) {
+ struct bcma_device *core;
+
+ core = bcma_find_core(bus, BCMA_CORE_NS_ROM);
+ if (core) {
+ switch (bcma_aread32(core, BCMA_IOST) &
+ BCMA_NS_ROM_IOST_BOOT_DEV_MASK) {
+ case BCMA_NS_ROM_IOST_BOOT_DEV_NOR:
+ return BCMA_BOOT_DEV_SERIAL;
+ case BCMA_NS_ROM_IOST_BOOT_DEV_NAND:
+ return BCMA_BOOT_DEV_NAND;
+ case BCMA_NS_ROM_IOST_BOOT_DEV_ROM:
+ default:
+ return BCMA_BOOT_DEV_ROM;
+ }
+ }
+ } else {
+ if (cc_rev == 38) {
+ if (cc->status & BCMA_CC_CHIPST_5357_NAND_BOOT)
+ return BCMA_BOOT_DEV_NAND;
+ else if (cc->status & BIT(5))
+ return BCMA_BOOT_DEV_ROM;
+ }
+
+ if ((cc->capabilities & BCMA_CC_CAP_FLASHT) ==
+ BCMA_CC_FLASHT_PARA)
+ return BCMA_BOOT_DEV_PARALLEL;
+ else
+ return BCMA_BOOT_DEV_SERIAL;
+ }
+
+ return BCMA_BOOT_DEV_SERIAL;
+}
+
+static void bcma_core_mips_nvram_init(struct bcma_drv_mips *mcore)
+{
+ struct bcma_bus *bus = mcore->core->bus;
+ enum bcma_boot_dev boot_dev;
+
+ /* Determine flash type this SoC boots from */
+ boot_dev = bcma_boot_dev(bus);
+ switch (boot_dev) {
+ case BCMA_BOOT_DEV_PARALLEL:
+ case BCMA_BOOT_DEV_SERIAL:
+#ifdef CONFIG_BCM47XX
+ bcm47xx_nvram_init_from_mem(BCMA_SOC_FLASH2,
+ BCMA_SOC_FLASH2_SZ);
+#endif
+ break;
+ case BCMA_BOOT_DEV_NAND:
+#ifdef CONFIG_BCM47XX
+ bcm47xx_nvram_init_from_mem(BCMA_SOC_FLASH1,
+ BCMA_SOC_FLASH1_SZ);
+#endif
+ break;
+ default:
+ break;
+ }
+}
+
+void bcma_core_mips_early_init(struct bcma_drv_mips *mcore)
+{
+ struct bcma_bus *bus = mcore->core->bus;
+
+ if (mcore->early_setup_done)
+ return;
+
+ bcma_chipco_serial_init(&bus->drv_cc);
+ bcma_core_mips_nvram_init(mcore);
+
+ mcore->early_setup_done = true;
+}
+
+static void bcma_fix_i2s_irqflag(struct bcma_bus *bus)
+{
+ struct bcma_device *cpu, *pcie, *i2s;
+
+ /* Fixup the interrupts in 4716/4748 for i2s core (2010 Broadcom SDK)
+ * (IRQ flags > 7 are ignored when setting the interrupt masks)
+ */
+ if (bus->chipinfo.id != BCMA_CHIP_ID_BCM4716 &&
+ bus->chipinfo.id != BCMA_CHIP_ID_BCM4748)
+ return;
+
+ cpu = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
+ pcie = bcma_find_core(bus, BCMA_CORE_PCIE);
+ i2s = bcma_find_core(bus, BCMA_CORE_I2S);
+ if (cpu && pcie && i2s &&
+ bcma_aread32(cpu, BCMA_MIPS_OOBSELINA74) == 0x08060504 &&
+ bcma_aread32(pcie, BCMA_MIPS_OOBSELINA74) == 0x08060504 &&
+ bcma_aread32(i2s, BCMA_MIPS_OOBSELOUTA30) == 0x88) {
+ bcma_awrite32(cpu, BCMA_MIPS_OOBSELINA74, 0x07060504);
+ bcma_awrite32(pcie, BCMA_MIPS_OOBSELINA74, 0x07060504);
+ bcma_awrite32(i2s, BCMA_MIPS_OOBSELOUTA30, 0x87);
+ bcma_debug(bus,
+ "Moved i2s interrupt to oob line 7 instead of 8\n");
+ }
+}
+
+void bcma_core_mips_init(struct bcma_drv_mips *mcore)
+{
+ struct bcma_bus *bus;
+ struct bcma_device *core;
+ bus = mcore->core->bus;
+
+ if (mcore->setup_done)
+ return;
+
+ bcma_debug(bus, "Initializing MIPS core...\n");
+
+ bcma_core_mips_early_init(mcore);
+
+ bcma_fix_i2s_irqflag(bus);
+
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM4716:
+ case BCMA_CHIP_ID_BCM4748:
+ bcma_core_mips_set_irq_name(bus, 1, BCMA_CORE_80211, 0);
+ bcma_core_mips_set_irq_name(bus, 2, BCMA_CORE_MAC_GBIT, 0);
+ bcma_core_mips_set_irq_name(bus, 3, BCMA_CORE_USB20_HOST, 0);
+ bcma_core_mips_set_irq_name(bus, 4, BCMA_CORE_PCIE, 0);
+ bcma_core_mips_set_irq_name(bus, 0, BCMA_CORE_CHIPCOMMON, 0);
+ bcma_core_mips_set_irq_name(bus, 0, BCMA_CORE_I2S, 0);
+ break;
+ case BCMA_CHIP_ID_BCM5356:
+ case BCMA_CHIP_ID_BCM47162:
+ case BCMA_CHIP_ID_BCM53572:
+ bcma_core_mips_set_irq_name(bus, 1, BCMA_CORE_80211, 0);
+ bcma_core_mips_set_irq_name(bus, 2, BCMA_CORE_MAC_GBIT, 0);
+ bcma_core_mips_set_irq_name(bus, 0, BCMA_CORE_CHIPCOMMON, 0);
+ break;
+ case BCMA_CHIP_ID_BCM5357:
+ case BCMA_CHIP_ID_BCM4749:
+ bcma_core_mips_set_irq_name(bus, 1, BCMA_CORE_80211, 0);
+ bcma_core_mips_set_irq_name(bus, 2, BCMA_CORE_MAC_GBIT, 0);
+ bcma_core_mips_set_irq_name(bus, 3, BCMA_CORE_USB20_HOST, 0);
+ bcma_core_mips_set_irq_name(bus, 0, BCMA_CORE_CHIPCOMMON, 0);
+ bcma_core_mips_set_irq_name(bus, 0, BCMA_CORE_I2S, 0);
+ break;
+ case BCMA_CHIP_ID_BCM4706:
+ bcma_core_mips_set_irq_name(bus, 1, BCMA_CORE_PCIE, 0);
+ bcma_core_mips_set_irq_name(bus, 2, BCMA_CORE_4706_MAC_GBIT,
+ 0);
+ bcma_core_mips_set_irq_name(bus, 3, BCMA_CORE_PCIE, 1);
+ bcma_core_mips_set_irq_name(bus, 4, BCMA_CORE_USB20_HOST, 0);
+ bcma_core_mips_set_irq_name(bus, 0, BCMA_CORE_4706_CHIPCOMMON,
+ 0);
+ break;
+ default:
+ list_for_each_entry(core, &bus->cores, list) {
+ core->irq = bcma_core_irq(core, 0);
+ }
+ bcma_err(bus,
+ "Unknown device (0x%x) found, can not configure IRQs\n",
+ bus->chipinfo.id);
+ }
+ bcma_debug(bus, "IRQ reconfiguration done\n");
+ bcma_core_mips_dump_irq(bus);
+
+ mcore->setup_done = true;
+}
diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c
new file mode 100644
index 0000000..f499a46
--- /dev/null
+++ b/drivers/bcma/driver_pci.c
@@ -0,0 +1,306 @@
+/*
+ * Broadcom specific AMBA
+ * PCI Core
+ *
+ * Copyright 2005, 2011, Broadcom Corporation
+ * Copyright 2006, 2007, Michael Buesch <m@bues.ch>
+ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+#include <linux/export.h>
+#include <linux/bcma/bcma.h>
+
+/**************************************************
+ * R/W ops.
+ **************************************************/
+
+u32 bcma_pcie_read(struct bcma_drv_pci *pc, u32 address)
+{
+ pcicore_write32(pc, BCMA_CORE_PCI_PCIEIND_ADDR, address);
+ pcicore_read32(pc, BCMA_CORE_PCI_PCIEIND_ADDR);
+ return pcicore_read32(pc, BCMA_CORE_PCI_PCIEIND_DATA);
+}
+
+static void bcma_pcie_write(struct bcma_drv_pci *pc, u32 address, u32 data)
+{
+ pcicore_write32(pc, BCMA_CORE_PCI_PCIEIND_ADDR, address);
+ pcicore_read32(pc, BCMA_CORE_PCI_PCIEIND_ADDR);
+ pcicore_write32(pc, BCMA_CORE_PCI_PCIEIND_DATA, data);
+}
+
+static void bcma_pcie_mdio_set_phy(struct bcma_drv_pci *pc, u16 phy)
+{
+ u32 v;
+ int i;
+
+ v = BCMA_CORE_PCI_MDIODATA_START;
+ v |= BCMA_CORE_PCI_MDIODATA_WRITE;
+ v |= (BCMA_CORE_PCI_MDIODATA_DEV_ADDR <<
+ BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF);
+ v |= (BCMA_CORE_PCI_MDIODATA_BLK_ADDR <<
+ BCMA_CORE_PCI_MDIODATA_REGADDR_SHF);
+ v |= BCMA_CORE_PCI_MDIODATA_TA;
+ v |= (phy << 4);
+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_DATA, v);
+
+ udelay(10);
+ for (i = 0; i < 200; i++) {
+ v = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_CONTROL);
+ if (v & BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE)
+ break;
+ usleep_range(1000, 2000);
+ }
+}
+
+static u16 bcma_pcie_mdio_read(struct bcma_drv_pci *pc, u16 device, u8 address)
+{
+ int max_retries = 10;
+ u16 ret = 0;
+ u32 v;
+ int i;
+
+ /* enable mdio access to SERDES */
+ v = BCMA_CORE_PCI_MDIOCTL_PREAM_EN;
+ v |= BCMA_CORE_PCI_MDIOCTL_DIVISOR_VAL;
+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, v);
+
+ if (pc->core->id.rev >= 10) {
+ max_retries = 200;
+ bcma_pcie_mdio_set_phy(pc, device);
+ v = (BCMA_CORE_PCI_MDIODATA_DEV_ADDR <<
+ BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF);
+ v |= (address << BCMA_CORE_PCI_MDIODATA_REGADDR_SHF);
+ } else {
+ v = (device << BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF_OLD);
+ v |= (address << BCMA_CORE_PCI_MDIODATA_REGADDR_SHF_OLD);
+ }
+
+ v = BCMA_CORE_PCI_MDIODATA_START;
+ v |= BCMA_CORE_PCI_MDIODATA_READ;
+ v |= BCMA_CORE_PCI_MDIODATA_TA;
+
+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_DATA, v);
+ /* Wait for the device to complete the transaction */
+ udelay(10);
+ for (i = 0; i < max_retries; i++) {
+ v = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_CONTROL);
+ if (v & BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE) {
+ udelay(10);
+ ret = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_DATA);
+ break;
+ }
+ usleep_range(1000, 2000);
+ }
+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, 0);
+ return ret;
+}
+
+static void bcma_pcie_mdio_write(struct bcma_drv_pci *pc, u16 device,
+ u8 address, u16 data)
+{
+ int max_retries = 10;
+ u32 v;
+ int i;
+
+ /* enable mdio access to SERDES */
+ v = BCMA_CORE_PCI_MDIOCTL_PREAM_EN;
+ v |= BCMA_CORE_PCI_MDIOCTL_DIVISOR_VAL;
+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, v);
+
+ if (pc->core->id.rev >= 10) {
+ max_retries = 200;
+ bcma_pcie_mdio_set_phy(pc, device);
+ v = (BCMA_CORE_PCI_MDIODATA_DEV_ADDR <<
+ BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF);
+ v |= (address << BCMA_CORE_PCI_MDIODATA_REGADDR_SHF);
+ } else {
+ v = (device << BCMA_CORE_PCI_MDIODATA_DEVADDR_SHF_OLD);
+ v |= (address << BCMA_CORE_PCI_MDIODATA_REGADDR_SHF_OLD);
+ }
+
+ v = BCMA_CORE_PCI_MDIODATA_START;
+ v |= BCMA_CORE_PCI_MDIODATA_WRITE;
+ v |= BCMA_CORE_PCI_MDIODATA_TA;
+ v |= data;
+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_DATA, v);
+ /* Wait for the device to complete the transaction */
+ udelay(10);
+ for (i = 0; i < max_retries; i++) {
+ v = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_CONTROL);
+ if (v & BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE)
+ break;
+ usleep_range(1000, 2000);
+ }
+ pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, 0);
+}
+
+static u16 bcma_pcie_mdio_writeread(struct bcma_drv_pci *pc, u16 device,
+ u8 address, u16 data)
+{
+ bcma_pcie_mdio_write(pc, device, address, data);
+ return bcma_pcie_mdio_read(pc, device, address);
+}
+
+/**************************************************
+ * Early init.
+ **************************************************/
+
+static void bcma_core_pci_fixcfg(struct bcma_drv_pci *pc)
+{
+ struct bcma_device *core = pc->core;
+ u16 val16, core_index;
+ uint regoff;
+
+ regoff = BCMA_CORE_PCI_SPROM(BCMA_CORE_PCI_SPROM_PI_OFFSET);
+ core_index = (u16)core->core_index;
+
+ val16 = pcicore_read16(pc, regoff);
+ if (((val16 & BCMA_CORE_PCI_SPROM_PI_MASK) >> BCMA_CORE_PCI_SPROM_PI_SHIFT)
+ != core_index) {
+ val16 = (core_index << BCMA_CORE_PCI_SPROM_PI_SHIFT) |
+ (val16 & ~BCMA_CORE_PCI_SPROM_PI_MASK);
+ pcicore_write16(pc, regoff, val16);
+ }
+}
+
+/*
+ * Apply some early fixes required before accessing SPROM.
+ * See also si_pci_fixcfg.
+ */
+void bcma_core_pci_early_init(struct bcma_drv_pci *pc)
+{
+ if (pc->early_setup_done)
+ return;
+
+ pc->hostmode = bcma_core_pci_is_in_hostmode(pc);
+ if (pc->hostmode)
+ goto out;
+
+ bcma_core_pci_fixcfg(pc);
+
+out:
+ pc->early_setup_done = true;
+}
+
+/**************************************************
+ * Workarounds.
+ **************************************************/
+
+static u8 bcma_pcicore_polarity_workaround(struct bcma_drv_pci *pc)
+{
+ u32 tmp;
+
+ tmp = bcma_pcie_read(pc, BCMA_CORE_PCI_PLP_STATUSREG);
+ if (tmp & BCMA_CORE_PCI_PLP_POLARITYINV_STAT)
+ return BCMA_CORE_PCI_SERDES_RX_CTRL_FORCE |
+ BCMA_CORE_PCI_SERDES_RX_CTRL_POLARITY;
+ else
+ return BCMA_CORE_PCI_SERDES_RX_CTRL_FORCE;
+}
+
+static void bcma_pcicore_serdes_workaround(struct bcma_drv_pci *pc)
+{
+ u16 tmp;
+
+ bcma_pcie_mdio_write(pc, BCMA_CORE_PCI_MDIODATA_DEV_RX,
+ BCMA_CORE_PCI_SERDES_RX_CTRL,
+ bcma_pcicore_polarity_workaround(pc));
+ tmp = bcma_pcie_mdio_read(pc, BCMA_CORE_PCI_MDIODATA_DEV_PLL,
+ BCMA_CORE_PCI_SERDES_PLL_CTRL);
+ if (tmp & BCMA_CORE_PCI_PLL_CTRL_FREQDET_EN)
+ bcma_pcie_mdio_write(pc, BCMA_CORE_PCI_MDIODATA_DEV_PLL,
+ BCMA_CORE_PCI_SERDES_PLL_CTRL,
+ tmp & ~BCMA_CORE_PCI_PLL_CTRL_FREQDET_EN);
+}
+
+/* Fix MISC config to allow coming out of L2/L3-Ready state w/o PRST */
+/* Needs to happen when coming out of 'standby'/'hibernate' */
+static void bcma_core_pci_config_fixup(struct bcma_drv_pci *pc)
+{
+ u16 val16;
+ uint regoff;
+
+ regoff = BCMA_CORE_PCI_SPROM(BCMA_CORE_PCI_SPROM_MISC_CONFIG);
+
+ val16 = pcicore_read16(pc, regoff);
+
+ if (!(val16 & BCMA_CORE_PCI_SPROM_L23READY_EXIT_NOPERST)) {
+ val16 |= BCMA_CORE_PCI_SPROM_L23READY_EXIT_NOPERST;
+ pcicore_write16(pc, regoff, val16);
+ }
+}
+
+/**************************************************
+ * Init.
+ **************************************************/
+
+static void bcma_core_pci_clientmode_init(struct bcma_drv_pci *pc)
+{
+ bcma_pcicore_serdes_workaround(pc);
+ bcma_core_pci_config_fixup(pc);
+}
+
+void bcma_core_pci_init(struct bcma_drv_pci *pc)
+{
+ if (pc->setup_done)
+ return;
+
+ bcma_core_pci_early_init(pc);
+
+ if (pc->hostmode)
+ bcma_core_pci_hostmode_init(pc);
+ else
+ bcma_core_pci_clientmode_init(pc);
+}
+
+void bcma_core_pci_power_save(struct bcma_bus *bus, bool up)
+{
+ struct bcma_drv_pci *pc;
+ u16 data;
+
+ if (bus->hosttype != BCMA_HOSTTYPE_PCI)
+ return;
+
+ pc = &bus->drv_pci[0];
+
+ if (pc->core->id.rev >= 15 && pc->core->id.rev <= 20) {
+ data = up ? 0x74 : 0x7C;
+ bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
+ BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7F64);
+ bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
+ BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data);
+ } else if (pc->core->id.rev >= 21 && pc->core->id.rev <= 22) {
+ data = up ? 0x75 : 0x7D;
+ bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
+ BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7E65);
+ bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
+ BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data);
+ }
+}
+EXPORT_SYMBOL_GPL(bcma_core_pci_power_save);
+
+static void bcma_core_pci_extend_L1timer(struct bcma_drv_pci *pc, bool extend)
+{
+ u32 w;
+
+ w = bcma_pcie_read(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG);
+ if (extend)
+ w |= BCMA_CORE_PCI_ASPMTIMER_EXTEND;
+ else
+ w &= ~BCMA_CORE_PCI_ASPMTIMER_EXTEND;
+ bcma_pcie_write(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG, w);
+ bcma_pcie_read(pc, BCMA_CORE_PCI_DLLP_PMTHRESHREG);
+}
+
+void bcma_core_pci_up(struct bcma_drv_pci *pc)
+{
+ bcma_core_pci_extend_L1timer(pc, true);
+}
+
+void bcma_core_pci_down(struct bcma_drv_pci *pc)
+{
+ bcma_core_pci_extend_L1timer(pc, false);
+}
diff --git a/drivers/bcma/driver_pci_host.c b/drivers/bcma/driver_pci_host.c
new file mode 100644
index 0000000..c42cec7
--- /dev/null
+++ b/drivers/bcma/driver_pci_host.c
@@ -0,0 +1,623 @@
+/*
+ * Broadcom specific AMBA
+ * PCI Core in hostmode
+ *
+ * Copyright 2005 - 2011, Broadcom Corporation
+ * Copyright 2006, 2007, Michael Buesch <m@bues.ch>
+ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+#include <linux/pci.h>
+#include <linux/slab.h>
+#include <linux/export.h>
+#include <linux/bcma/bcma.h>
+#include <asm/paccess.h>
+
+/* Probe a 32bit value on the bus and catch bus exceptions.
+ * Returns nonzero on a bus exception.
+ * This is MIPS specific */
+#define mips_busprobe32(val, addr) get_dbe((val), ((u32 *)(addr)))
+
+/* Assume one-hot slot wiring */
+#define BCMA_PCI_SLOT_MAX 16
+#define PCI_CONFIG_SPACE_SIZE 256
+
+bool bcma_core_pci_is_in_hostmode(struct bcma_drv_pci *pc)
+{
+ struct bcma_bus *bus = pc->core->bus;
+ u16 chipid_top;
+ u32 tmp;
+
+ chipid_top = (bus->chipinfo.id & 0xFF00);
+ if (chipid_top != 0x4700 &&
+ chipid_top != 0x5300)
+ return false;
+
+ bcma_core_enable(pc->core, 0);
+
+ return !mips_busprobe32(tmp, pc->core->io_addr);
+}
+
+static u32 bcma_pcie_read_config(struct bcma_drv_pci *pc, u32 address)
+{
+ pcicore_write32(pc, BCMA_CORE_PCI_CONFIG_ADDR, address);
+ pcicore_read32(pc, BCMA_CORE_PCI_CONFIG_ADDR);
+ return pcicore_read32(pc, BCMA_CORE_PCI_CONFIG_DATA);
+}
+
+static void bcma_pcie_write_config(struct bcma_drv_pci *pc, u32 address,
+ u32 data)
+{
+ pcicore_write32(pc, BCMA_CORE_PCI_CONFIG_ADDR, address);
+ pcicore_read32(pc, BCMA_CORE_PCI_CONFIG_ADDR);
+ pcicore_write32(pc, BCMA_CORE_PCI_CONFIG_DATA, data);
+}
+
+static u32 bcma_get_cfgspace_addr(struct bcma_drv_pci *pc, unsigned int dev,
+ unsigned int func, unsigned int off)
+{
+ u32 addr = 0;
+
+ /* Issue config commands only when the data link is up (atleast
+ * one external pcie device is present).
+ */
+ if (dev >= 2 || !(bcma_pcie_read(pc, BCMA_CORE_PCI_DLLP_LSREG)
+ & BCMA_CORE_PCI_DLLP_LSREG_LINKUP))
+ goto out;
+
+ /* Type 0 transaction */
+ /* Slide the PCI window to the appropriate slot */
+ pcicore_write32(pc, BCMA_CORE_PCI_SBTOPCI1, BCMA_CORE_PCI_SBTOPCI_CFG0);
+ /* Calculate the address */
+ addr = pc->host_controller->host_cfg_addr;
+ addr |= (dev << BCMA_CORE_PCI_CFG_SLOT_SHIFT);
+ addr |= (func << BCMA_CORE_PCI_CFG_FUN_SHIFT);
+ addr |= (off & ~3);
+
+out:
+ return addr;
+}
+
+static int bcma_extpci_read_config(struct bcma_drv_pci *pc, unsigned int dev,
+ unsigned int func, unsigned int off,
+ void *buf, int len)
+{
+ int err = -EINVAL;
+ u32 addr, val;
+ void __iomem *mmio = 0;
+
+ WARN_ON(!pc->hostmode);
+ if (unlikely(len != 1 && len != 2 && len != 4))
+ goto out;
+ if (dev == 0) {
+ /* we support only two functions on device 0 */
+ if (func > 1)
+ goto out;
+
+ /* accesses to config registers with offsets >= 256
+ * requires indirect access.
+ */
+ if (off >= PCI_CONFIG_SPACE_SIZE) {
+ addr = (func << 12);
+ addr |= (off & 0x0FFC);
+ val = bcma_pcie_read_config(pc, addr);
+ } else {
+ addr = BCMA_CORE_PCI_PCICFG0;
+ addr |= (func << 8);
+ addr |= (off & 0xFC);
+ val = pcicore_read32(pc, addr);
+ }
+ } else {
+ addr = bcma_get_cfgspace_addr(pc, dev, func, off);
+ if (unlikely(!addr))
+ goto out;
+ err = -ENOMEM;
+ mmio = ioremap_nocache(addr, sizeof(val));
+ if (!mmio)
+ goto out;
+
+ if (mips_busprobe32(val, mmio)) {
+ val = 0xFFFFFFFF;
+ goto unmap;
+ }
+ }
+ val >>= (8 * (off & 3));
+
+ switch (len) {
+ case 1:
+ *((u8 *)buf) = (u8)val;
+ break;
+ case 2:
+ *((u16 *)buf) = (u16)val;
+ break;
+ case 4:
+ *((u32 *)buf) = (u32)val;
+ break;
+ }
+ err = 0;
+unmap:
+ if (mmio)
+ iounmap(mmio);
+out:
+ return err;
+}
+
+static int bcma_extpci_write_config(struct bcma_drv_pci *pc, unsigned int dev,
+ unsigned int func, unsigned int off,
+ const void *buf, int len)
+{
+ int err = -EINVAL;
+ u32 addr, val;
+ void __iomem *mmio = 0;
+ u16 chipid = pc->core->bus->chipinfo.id;
+
+ WARN_ON(!pc->hostmode);
+ if (unlikely(len != 1 && len != 2 && len != 4))
+ goto out;
+ if (dev == 0) {
+ /* we support only two functions on device 0 */
+ if (func > 1)
+ goto out;
+
+ /* accesses to config registers with offsets >= 256
+ * requires indirect access.
+ */
+ if (off >= PCI_CONFIG_SPACE_SIZE) {
+ addr = (func << 12);
+ addr |= (off & 0x0FFC);
+ val = bcma_pcie_read_config(pc, addr);
+ } else {
+ addr = BCMA_CORE_PCI_PCICFG0;
+ addr |= (func << 8);
+ addr |= (off & 0xFC);
+ val = pcicore_read32(pc, addr);
+ }
+ } else {
+ addr = bcma_get_cfgspace_addr(pc, dev, func, off);
+ if (unlikely(!addr))
+ goto out;
+ err = -ENOMEM;
+ mmio = ioremap_nocache(addr, sizeof(val));
+ if (!mmio)
+ goto out;
+
+ if (mips_busprobe32(val, mmio)) {
+ val = 0xFFFFFFFF;
+ goto unmap;
+ }
+ }
+
+ switch (len) {
+ case 1:
+ val &= ~(0xFF << (8 * (off & 3)));
+ val |= *((const u8 *)buf) << (8 * (off & 3));
+ break;
+ case 2:
+ val &= ~(0xFFFF << (8 * (off & 3)));
+ val |= *((const u16 *)buf) << (8 * (off & 3));
+ break;
+ case 4:
+ val = *((const u32 *)buf);
+ break;
+ }
+ if (dev == 0) {
+ /* accesses to config registers with offsets >= 256
+ * requires indirect access.
+ */
+ if (off >= PCI_CONFIG_SPACE_SIZE)
+ bcma_pcie_write_config(pc, addr, val);
+ else
+ pcicore_write32(pc, addr, val);
+ } else {
+ writel(val, mmio);
+
+ if (chipid == BCMA_CHIP_ID_BCM4716 ||
+ chipid == BCMA_CHIP_ID_BCM4748)
+ readl(mmio);
+ }
+
+ err = 0;
+unmap:
+ if (mmio)
+ iounmap(mmio);
+out:
+ return err;
+}
+
+static int bcma_core_pci_hostmode_read_config(struct pci_bus *bus,
+ unsigned int devfn,
+ int reg, int size, u32 *val)
+{
+ unsigned long flags;
+ int err;
+ struct bcma_drv_pci *pc;
+ struct bcma_drv_pci_host *pc_host;
+
+ pc_host = container_of(bus->ops, struct bcma_drv_pci_host, pci_ops);
+ pc = pc_host->pdev;
+
+ spin_lock_irqsave(&pc_host->cfgspace_lock, flags);
+ err = bcma_extpci_read_config(pc, PCI_SLOT(devfn),
+ PCI_FUNC(devfn), reg, val, size);
+ spin_unlock_irqrestore(&pc_host->cfgspace_lock, flags);
+
+ return err ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL;
+}
+
+static int bcma_core_pci_hostmode_write_config(struct pci_bus *bus,
+ unsigned int devfn,
+ int reg, int size, u32 val)
+{
+ unsigned long flags;
+ int err;
+ struct bcma_drv_pci *pc;
+ struct bcma_drv_pci_host *pc_host;
+
+ pc_host = container_of(bus->ops, struct bcma_drv_pci_host, pci_ops);
+ pc = pc_host->pdev;
+
+ spin_lock_irqsave(&pc_host->cfgspace_lock, flags);
+ err = bcma_extpci_write_config(pc, PCI_SLOT(devfn),
+ PCI_FUNC(devfn), reg, &val, size);
+ spin_unlock_irqrestore(&pc_host->cfgspace_lock, flags);
+
+ return err ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL;
+}
+
+/* return cap_offset if requested capability exists in the PCI config space */
+static u8 bcma_find_pci_capability(struct bcma_drv_pci *pc, unsigned int dev,
+ unsigned int func, u8 req_cap_id,
+ unsigned char *buf, u32 *buflen)
+{
+ u8 cap_id;
+ u8 cap_ptr = 0;
+ u32 bufsize;
+ u8 byte_val;
+
+ /* check for Header type 0 */
+ bcma_extpci_read_config(pc, dev, func, PCI_HEADER_TYPE, &byte_val,
+ sizeof(u8));
+ if ((byte_val & 0x7F) != PCI_HEADER_TYPE_NORMAL)
+ return cap_ptr;
+
+ /* check if the capability pointer field exists */
+ bcma_extpci_read_config(pc, dev, func, PCI_STATUS, &byte_val,
+ sizeof(u8));
+ if (!(byte_val & PCI_STATUS_CAP_LIST))
+ return cap_ptr;
+
+ /* check if the capability pointer is 0x00 */
+ bcma_extpci_read_config(pc, dev, func, PCI_CAPABILITY_LIST, &cap_ptr,
+ sizeof(u8));
+ if (cap_ptr == 0x00)
+ return cap_ptr;
+
+ /* loop thr'u the capability list and see if the requested capabilty
+ * exists */
+ bcma_extpci_read_config(pc, dev, func, cap_ptr, &cap_id, sizeof(u8));
+ while (cap_id != req_cap_id) {
+ bcma_extpci_read_config(pc, dev, func, cap_ptr + 1, &cap_ptr,
+ sizeof(u8));
+ if (cap_ptr == 0x00)
+ return cap_ptr;
+ bcma_extpci_read_config(pc, dev, func, cap_ptr, &cap_id,
+ sizeof(u8));
+ }
+
+ /* found the caller requested capability */
+ if ((buf != NULL) && (buflen != NULL)) {
+ u8 cap_data;
+
+ bufsize = *buflen;
+ if (!bufsize)
+ return cap_ptr;
+
+ *buflen = 0;
+
+ /* copy the cpability data excluding cap ID and next ptr */
+ cap_data = cap_ptr + 2;
+ if ((bufsize + cap_data) > PCI_CONFIG_SPACE_SIZE)
+ bufsize = PCI_CONFIG_SPACE_SIZE - cap_data;
+ *buflen = bufsize;
+ while (bufsize--) {
+ bcma_extpci_read_config(pc, dev, func, cap_data, buf,
+ sizeof(u8));
+ cap_data++;
+ buf++;
+ }
+ }
+
+ return cap_ptr;
+}
+
+/* If the root port is capable of returning Config Request
+ * Retry Status (CRS) Completion Status to software then
+ * enable the feature.
+ */
+static void bcma_core_pci_enable_crs(struct bcma_drv_pci *pc)
+{
+ struct bcma_bus *bus = pc->core->bus;
+ u8 cap_ptr, root_ctrl, root_cap, dev;
+ u16 val16;
+ int i;
+
+ cap_ptr = bcma_find_pci_capability(pc, 0, 0, PCI_CAP_ID_EXP, NULL,
+ NULL);
+ root_cap = cap_ptr + PCI_EXP_RTCAP;
+ bcma_extpci_read_config(pc, 0, 0, root_cap, &val16, sizeof(u16));
+ if (val16 & BCMA_CORE_PCI_RC_CRS_VISIBILITY) {
+ /* Enable CRS software visibility */
+ root_ctrl = cap_ptr + PCI_EXP_RTCTL;
+ val16 = PCI_EXP_RTCTL_CRSSVE;
+ bcma_extpci_read_config(pc, 0, 0, root_ctrl, &val16,
+ sizeof(u16));
+
+ /* Initiate a configuration request to read the vendor id
+ * field of the device function's config space header after
+ * 100 ms wait time from the end of Reset. If the device is
+ * not done with its internal initialization, it must at
+ * least return a completion TLP, with a completion status
+ * of "Configuration Request Retry Status (CRS)". The root
+ * complex must complete the request to the host by returning
+ * a read-data value of 0001h for the Vendor ID field and
+ * all 1s for any additional bytes included in the request.
+ * Poll using the config reads for max wait time of 1 sec or
+ * until we receive the successful completion status. Repeat
+ * the procedure for all the devices.
+ */
+ for (dev = 1; dev < BCMA_PCI_SLOT_MAX; dev++) {
+ for (i = 0; i < 100000; i++) {
+ bcma_extpci_read_config(pc, dev, 0,
+ PCI_VENDOR_ID, &val16,
+ sizeof(val16));
+ if (val16 != 0x1)
+ break;
+ udelay(10);
+ }
+ if (val16 == 0x1)
+ bcma_err(bus, "PCI: Broken device in slot %d\n",
+ dev);
+ }
+ }
+}
+
+void bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc)
+{
+ struct bcma_bus *bus = pc->core->bus;
+ struct bcma_drv_pci_host *pc_host;
+ u32 tmp;
+ u32 pci_membase_1G;
+ unsigned long io_map_base;
+
+ bcma_info(bus, "PCIEcore in host mode found\n");
+
+ if (bus->sprom.boardflags_lo & BCMA_CORE_PCI_BFL_NOPCI) {
+ bcma_info(bus, "This PCIE core is disabled and not working\n");
+ return;
+ }
+
+ pc_host = kzalloc(sizeof(*pc_host), GFP_KERNEL);
+ if (!pc_host) {
+ bcma_err(bus, "can not allocate memory");
+ return;
+ }
+
+ spin_lock_init(&pc_host->cfgspace_lock);
+
+ pc->host_controller = pc_host;
+ pc_host->pci_controller.io_resource = &pc_host->io_resource;
+ pc_host->pci_controller.mem_resource = &pc_host->mem_resource;
+ pc_host->pci_controller.pci_ops = &pc_host->pci_ops;
+ pc_host->pdev = pc;
+
+ pci_membase_1G = BCMA_SOC_PCI_DMA;
+ pc_host->host_cfg_addr = BCMA_SOC_PCI_CFG;
+
+ pc_host->pci_ops.read = bcma_core_pci_hostmode_read_config;
+ pc_host->pci_ops.write = bcma_core_pci_hostmode_write_config;
+
+ pc_host->mem_resource.name = "BCMA PCIcore external memory",
+ pc_host->mem_resource.start = BCMA_SOC_PCI_DMA;
+ pc_host->mem_resource.end = BCMA_SOC_PCI_DMA + BCMA_SOC_PCI_DMA_SZ - 1;
+ pc_host->mem_resource.flags = IORESOURCE_MEM | IORESOURCE_PCI_FIXED;
+
+ pc_host->io_resource.name = "BCMA PCIcore external I/O",
+ pc_host->io_resource.start = 0x100;
+ pc_host->io_resource.end = 0x7FF;
+ pc_host->io_resource.flags = IORESOURCE_IO | IORESOURCE_PCI_FIXED;
+
+ /* Reset RC */
+ usleep_range(3000, 5000);
+ pcicore_write32(pc, BCMA_CORE_PCI_CTL, BCMA_CORE_PCI_CTL_RST_OE);
+ msleep(50);
+ pcicore_write32(pc, BCMA_CORE_PCI_CTL, BCMA_CORE_PCI_CTL_RST |
+ BCMA_CORE_PCI_CTL_RST_OE);
+
+ /* 64 MB I/O access window. On 4716, use
+ * sbtopcie0 to access the device registers. We
+ * can't use address match 2 (1 GB window) region
+ * as mips can't generate 64-bit address on the
+ * backplane.
+ */
+ if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4716 ||
+ bus->chipinfo.id == BCMA_CHIP_ID_BCM4748) {
+ pc_host->mem_resource.start = BCMA_SOC_PCI_MEM;
+ pc_host->mem_resource.end = BCMA_SOC_PCI_MEM +
+ BCMA_SOC_PCI_MEM_SZ - 1;
+ pcicore_write32(pc, BCMA_CORE_PCI_SBTOPCI0,
+ BCMA_CORE_PCI_SBTOPCI_MEM | BCMA_SOC_PCI_MEM);
+ } else if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706) {
+ tmp = BCMA_CORE_PCI_SBTOPCI_MEM;
+ tmp |= BCMA_CORE_PCI_SBTOPCI_PREF;
+ tmp |= BCMA_CORE_PCI_SBTOPCI_BURST;
+ if (pc->core->core_unit == 0) {
+ pc_host->mem_resource.start = BCMA_SOC_PCI_MEM;
+ pc_host->mem_resource.end = BCMA_SOC_PCI_MEM +
+ BCMA_SOC_PCI_MEM_SZ - 1;
+ pc_host->io_resource.start = 0x100;
+ pc_host->io_resource.end = 0x47F;
+ pci_membase_1G = BCMA_SOC_PCIE_DMA_H32;
+ pcicore_write32(pc, BCMA_CORE_PCI_SBTOPCI0,
+ tmp | BCMA_SOC_PCI_MEM);
+ } else if (pc->core->core_unit == 1) {
+ pc_host->mem_resource.start = BCMA_SOC_PCI1_MEM;
+ pc_host->mem_resource.end = BCMA_SOC_PCI1_MEM +
+ BCMA_SOC_PCI_MEM_SZ - 1;
+ pc_host->io_resource.start = 0x480;
+ pc_host->io_resource.end = 0x7FF;
+ pci_membase_1G = BCMA_SOC_PCIE1_DMA_H32;
+ pc_host->host_cfg_addr = BCMA_SOC_PCI1_CFG;
+ pcicore_write32(pc, BCMA_CORE_PCI_SBTOPCI0,
+ tmp | BCMA_SOC_PCI1_MEM);
+ }
+ } else
+ pcicore_write32(pc, BCMA_CORE_PCI_SBTOPCI0,
+ BCMA_CORE_PCI_SBTOPCI_IO);
+
+ /* 64 MB configuration access window */
+ pcicore_write32(pc, BCMA_CORE_PCI_SBTOPCI1, BCMA_CORE_PCI_SBTOPCI_CFG0);
+
+ /* 1 GB memory access window */
+ pcicore_write32(pc, BCMA_CORE_PCI_SBTOPCI2,
+ BCMA_CORE_PCI_SBTOPCI_MEM | pci_membase_1G);
+
+
+ /* As per PCI Express Base Spec 1.1 we need to wait for
+ * at least 100 ms from the end of a reset (cold/warm/hot)
+ * before issuing configuration requests to PCI Express
+ * devices.
+ */
+ msleep(100);
+
+ bcma_core_pci_enable_crs(pc);
+
+ if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706 ||
+ bus->chipinfo.id == BCMA_CHIP_ID_BCM4716) {
+ u16 val16;
+ bcma_extpci_read_config(pc, 0, 0, BCMA_CORE_PCI_CFG_DEVCTRL,
+ &val16, sizeof(val16));
+ val16 |= (2 << 5); /* Max payload size of 512 */
+ val16 |= (2 << 12); /* MRRS 512 */
+ bcma_extpci_write_config(pc, 0, 0, BCMA_CORE_PCI_CFG_DEVCTRL,
+ &val16, sizeof(val16));
+ }
+
+ /* Enable PCI bridge BAR0 memory & master access */
+ tmp = PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
+ bcma_extpci_write_config(pc, 0, 0, PCI_COMMAND, &tmp, sizeof(tmp));
+
+ /* Enable PCI interrupts */
+ pcicore_write32(pc, BCMA_CORE_PCI_IMASK, BCMA_CORE_PCI_IMASK_INTA);
+
+ /* Ok, ready to run, register it to the system.
+ * The following needs change, if we want to port hostmode
+ * to non-MIPS platform. */
+ io_map_base = (unsigned long)ioremap_nocache(pc_host->mem_resource.start,
+ resource_size(&pc_host->mem_resource));
+ pc_host->pci_controller.io_map_base = io_map_base;
+ set_io_port_base(pc_host->pci_controller.io_map_base);
+ /* Give some time to the PCI controller to configure itself with the new
+ * values. Not waiting at this point causes crashes of the machine. */
+ usleep_range(10000, 15000);
+ register_pci_controller(&pc_host->pci_controller);
+ return;
+}
+
+/* Early PCI fixup for a device on the PCI-core bridge. */
+static void bcma_core_pci_fixup_pcibridge(struct pci_dev *dev)
+{
+ if (dev->bus->ops->read != bcma_core_pci_hostmode_read_config) {
+ /* This is not a device on the PCI-core bridge. */
+ return;
+ }
+ if (PCI_SLOT(dev->devfn) != 0)
+ return;
+
+ pr_info("PCI: Fixing up bridge %s\n", pci_name(dev));
+
+ /* Enable PCI bridge bus mastering and memory space */
+ pci_set_master(dev);
+ if (pcibios_enable_device(dev, ~0) < 0) {
+ pr_err("PCI: BCMA bridge enable failed\n");
+ return;
+ }
+
+ /* Enable PCI bridge BAR1 prefetch and burst */
+ pci_write_config_dword(dev, BCMA_PCI_BAR1_CONTROL, 3);
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, bcma_core_pci_fixup_pcibridge);
+
+/* Early PCI fixup for all PCI-cores to set the correct memory address. */
+static void bcma_core_pci_fixup_addresses(struct pci_dev *dev)
+{
+ struct resource *res;
+ int pos, err;
+
+ if (dev->bus->ops->read != bcma_core_pci_hostmode_read_config) {
+ /* This is not a device on the PCI-core bridge. */
+ return;
+ }
+ if (PCI_SLOT(dev->devfn) == 0)
+ return;
+
+ pr_info("PCI: Fixing up addresses %s\n", pci_name(dev));
+
+ for (pos = 0; pos < 6; pos++) {
+ res = &dev->resource[pos];
+ if (res->flags & (IORESOURCE_IO | IORESOURCE_MEM)) {
+ err = pci_assign_resource(dev, pos);
+ if (err)
+ pr_err("PCI: Problem fixing up the addresses on %s\n",
+ pci_name(dev));
+ }
+ }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, bcma_core_pci_fixup_addresses);
+
+/* This function is called when doing a pci_enable_device().
+ * We must first check if the device is a device on the PCI-core bridge. */
+int bcma_core_pci_plat_dev_init(struct pci_dev *dev)
+{
+ struct bcma_drv_pci_host *pc_host;
+ int readrq;
+
+ if (dev->bus->ops->read != bcma_core_pci_hostmode_read_config) {
+ /* This is not a device on the PCI-core bridge. */
+ return -ENODEV;
+ }
+ pc_host = container_of(dev->bus->ops, struct bcma_drv_pci_host,
+ pci_ops);
+
+ pr_info("PCI: Fixing up device %s\n", pci_name(dev));
+
+ /* Fix up interrupt lines */
+ dev->irq = bcma_core_irq(pc_host->pdev->core, 0);
+ pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
+
+ readrq = pcie_get_readrq(dev);
+ if (readrq > 128) {
+ pr_info("change PCIe max read request size from %i to 128\n", readrq);
+ pcie_set_readrq(dev, 128);
+ }
+ return 0;
+}
+EXPORT_SYMBOL(bcma_core_pci_plat_dev_init);
+
+/* PCI device IRQ mapping. */
+int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev)
+{
+ struct bcma_drv_pci_host *pc_host;
+
+ if (dev->bus->ops->read != bcma_core_pci_hostmode_read_config) {
+ /* This is not a device on the PCI-core bridge. */
+ return -ENODEV;
+ }
+
+ pc_host = container_of(dev->bus->ops, struct bcma_drv_pci_host,
+ pci_ops);
+ return bcma_core_irq(pc_host->pdev->core, 0);
+}
+EXPORT_SYMBOL(bcma_core_pci_pcibios_map_irq);
diff --git a/drivers/bcma/driver_pcie2.c b/drivers/bcma/driver_pcie2.c
new file mode 100644
index 0000000..cf889fc
--- /dev/null
+++ b/drivers/bcma/driver_pcie2.c
@@ -0,0 +1,201 @@
+/*
+ * Broadcom specific AMBA
+ * PCIe Gen 2 Core
+ *
+ * Copyright 2014, Broadcom Corporation
+ * Copyright 2014, Rafał Miłecki <zajec5@gmail.com>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+#include <linux/bcma/bcma.h>
+#include <linux/pci.h>
+
+/**************************************************
+ * R/W ops.
+ **************************************************/
+
+#if 0
+static u32 bcma_core_pcie2_cfg_read(struct bcma_drv_pcie2 *pcie2, u32 addr)
+{
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR, addr);
+ pcie2_read32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR);
+ return pcie2_read32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA);
+}
+#endif
+
+static void bcma_core_pcie2_cfg_write(struct bcma_drv_pcie2 *pcie2, u32 addr,
+ u32 val)
+{
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR, addr);
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA, val);
+}
+
+/**************************************************
+ * Init.
+ **************************************************/
+
+static u32 bcma_core_pcie2_war_delay_perst_enab(struct bcma_drv_pcie2 *pcie2,
+ bool enable)
+{
+ u32 val;
+
+ /* restore back to default */
+ val = pcie2_read32(pcie2, BCMA_CORE_PCIE2_CLK_CONTROL);
+ val |= PCIE2_CLKC_DLYPERST;
+ val &= ~PCIE2_CLKC_DISSPROMLD;
+ if (enable) {
+ val &= ~PCIE2_CLKC_DLYPERST;
+ val |= PCIE2_CLKC_DISSPROMLD;
+ }
+ pcie2_write32(pcie2, (BCMA_CORE_PCIE2_CLK_CONTROL), val);
+ /* flush */
+ return pcie2_read32(pcie2, BCMA_CORE_PCIE2_CLK_CONTROL);
+}
+
+static void bcma_core_pcie2_set_ltr_vals(struct bcma_drv_pcie2 *pcie2)
+{
+ /* LTR0 */
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR, 0x844);
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA, 0x883c883c);
+ /* LTR1 */
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR, 0x848);
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA, 0x88648864);
+ /* LTR2 */
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR, 0x84C);
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA, 0x90039003);
+}
+
+static void bcma_core_pcie2_hw_ltr_war(struct bcma_drv_pcie2 *pcie2)
+{
+ u8 core_rev = pcie2->core->id.rev;
+ u32 devstsctr2;
+
+ if (core_rev < 2 || core_rev == 10 || core_rev > 13)
+ return;
+
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR,
+ PCIE2_CAP_DEVSTSCTRL2_OFFSET);
+ devstsctr2 = pcie2_read32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA);
+ if (devstsctr2 & PCIE2_CAP_DEVSTSCTRL2_LTRENAB) {
+ /* force the right LTR values */
+ bcma_core_pcie2_set_ltr_vals(pcie2);
+
+ /* TODO:
+ *si_core_wrapperreg(pcie2, 3, 0x60, 0x8080, 0);
+ */
+
+ /* enable the LTR */
+ devstsctr2 |= PCIE2_CAP_DEVSTSCTRL2_LTRENAB;
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR,
+ PCIE2_CAP_DEVSTSCTRL2_OFFSET);
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA, devstsctr2);
+
+ /* set the LTR state to be active */
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_LTR_STATE,
+ PCIE2_LTR_ACTIVE);
+ usleep_range(1000, 2000);
+
+ /* set the LTR state to be sleep */
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_LTR_STATE,
+ PCIE2_LTR_SLEEP);
+ usleep_range(1000, 2000);
+ }
+}
+
+static void pciedev_crwlpciegen2(struct bcma_drv_pcie2 *pcie2)
+{
+ u8 core_rev = pcie2->core->id.rev;
+ bool pciewar160, pciewar162;
+
+ pciewar160 = core_rev == 7 || core_rev == 9 || core_rev == 11;
+ pciewar162 = core_rev == 5 || core_rev == 7 || core_rev == 8 ||
+ core_rev == 9 || core_rev == 11;
+
+ if (!pciewar160 && !pciewar162)
+ return;
+
+/* TODO */
+#if 0
+ pcie2_set32(pcie2, BCMA_CORE_PCIE2_CLK_CONTROL,
+ PCIE_DISABLE_L1CLK_GATING);
+#if 0
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR,
+ PCIEGEN2_COE_PVT_TL_CTRL_0);
+ pcie2_mask32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA,
+ ~(1 << COE_PVT_TL_CTRL_0_PM_DIS_L1_REENTRY_BIT));
+#endif
+#endif
+}
+
+static void pciedev_crwlpciegen2_180(struct bcma_drv_pcie2 *pcie2)
+{
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR, PCIE2_PMCR_REFUP);
+ pcie2_set32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA, 0x1f);
+}
+
+static void pciedev_crwlpciegen2_182(struct bcma_drv_pcie2 *pcie2)
+{
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR, PCIE2_SBMBX);
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA, 1 << 0);
+}
+
+static void pciedev_reg_pm_clk_period(struct bcma_drv_pcie2 *pcie2)
+{
+ struct bcma_drv_cc *drv_cc = &pcie2->core->bus->drv_cc;
+ u8 core_rev = pcie2->core->id.rev;
+ u32 alp_khz, pm_value;
+
+ if (core_rev <= 13) {
+ alp_khz = bcma_pmu_get_alp_clock(drv_cc) / 1000;
+ pm_value = (1000000 * 2) / alp_khz;
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDADDR,
+ PCIE2_PVT_REG_PM_CLK_PERIOD);
+ pcie2_write32(pcie2, BCMA_CORE_PCIE2_CONFIGINDDATA, pm_value);
+ }
+}
+
+void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2)
+{
+ struct bcma_bus *bus = pcie2->core->bus;
+ struct bcma_chipinfo *ci = &bus->chipinfo;
+ u32 tmp;
+
+ tmp = pcie2_read32(pcie2, BCMA_CORE_PCIE2_SPROM(54));
+ if ((tmp & 0xe) >> 1 == 2)
+ bcma_core_pcie2_cfg_write(pcie2, 0x4e0, 0x17);
+
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM4360:
+ case BCMA_CHIP_ID_BCM4352:
+ pcie2->reqsize = 1024;
+ break;
+ default:
+ pcie2->reqsize = 128;
+ break;
+ }
+
+ if (ci->id == BCMA_CHIP_ID_BCM4360 && ci->rev > 3)
+ bcma_core_pcie2_war_delay_perst_enab(pcie2, true);
+ bcma_core_pcie2_hw_ltr_war(pcie2);
+ pciedev_crwlpciegen2(pcie2);
+ pciedev_reg_pm_clk_period(pcie2);
+ pciedev_crwlpciegen2_180(pcie2);
+ pciedev_crwlpciegen2_182(pcie2);
+}
+
+/**************************************************
+ * Runtime ops.
+ **************************************************/
+
+void bcma_core_pcie2_up(struct bcma_drv_pcie2 *pcie2)
+{
+ struct bcma_bus *bus = pcie2->core->bus;
+ struct pci_dev *dev = bus->host_pci;
+ int err;
+
+ err = pcie_set_readrq(dev, pcie2->reqsize);
+ if (err)
+ bcma_err(bus, "Error setting PCI_EXP_DEVCTL_READRQ: %d\n", err);
+}
diff --git a/drivers/bcma/host_pci.c b/drivers/bcma/host_pci.c
new file mode 100644
index 0000000..1bfb67c
--- /dev/null
+++ b/drivers/bcma/host_pci.c
@@ -0,0 +1,390 @@
+/*
+ * Broadcom specific AMBA
+ * PCI Host
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+#include <linux/slab.h>
+#include <linux/bcma/bcma.h>
+#include <linux/pci.h>
+#include <linux/module.h>
+
+static void bcma_host_pci_switch_core(struct bcma_device *core)
+{
+ int win2 = core->bus->host_is_pcie2 ?
+ BCMA_PCIE2_BAR0_WIN2 : BCMA_PCI_BAR0_WIN2;
+
+ pci_write_config_dword(core->bus->host_pci, BCMA_PCI_BAR0_WIN,
+ core->addr);
+ pci_write_config_dword(core->bus->host_pci, win2, core->wrap);
+ core->bus->mapped_core = core;
+ bcma_debug(core->bus, "Switched to core: 0x%X\n", core->id.id);
+}
+
+/* Provides access to the requested core. Returns base offset that has to be
+ * used. It makes use of fixed windows when possible. */
+static u16 bcma_host_pci_provide_access_to_core(struct bcma_device *core)
+{
+ switch (core->id.id) {
+ case BCMA_CORE_CHIPCOMMON:
+ return 3 * BCMA_CORE_SIZE;
+ case BCMA_CORE_PCIE:
+ return 2 * BCMA_CORE_SIZE;
+ }
+
+ if (core->bus->mapped_core != core)
+ bcma_host_pci_switch_core(core);
+ return 0;
+}
+
+static u8 bcma_host_pci_read8(struct bcma_device *core, u16 offset)
+{
+ offset += bcma_host_pci_provide_access_to_core(core);
+ return ioread8(core->bus->mmio + offset);
+}
+
+static u16 bcma_host_pci_read16(struct bcma_device *core, u16 offset)
+{
+ offset += bcma_host_pci_provide_access_to_core(core);
+ return ioread16(core->bus->mmio + offset);
+}
+
+static u32 bcma_host_pci_read32(struct bcma_device *core, u16 offset)
+{
+ offset += bcma_host_pci_provide_access_to_core(core);
+ return ioread32(core->bus->mmio + offset);
+}
+
+static void bcma_host_pci_write8(struct bcma_device *core, u16 offset,
+ u8 value)
+{
+ offset += bcma_host_pci_provide_access_to_core(core);
+ iowrite8(value, core->bus->mmio + offset);
+}
+
+static void bcma_host_pci_write16(struct bcma_device *core, u16 offset,
+ u16 value)
+{
+ offset += bcma_host_pci_provide_access_to_core(core);
+ iowrite16(value, core->bus->mmio + offset);
+}
+
+static void bcma_host_pci_write32(struct bcma_device *core, u16 offset,
+ u32 value)
+{
+ offset += bcma_host_pci_provide_access_to_core(core);
+ iowrite32(value, core->bus->mmio + offset);
+}
+
+#ifdef CPTCFG_BCMA_BLOCKIO
+static void bcma_host_pci_block_read(struct bcma_device *core, void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ void __iomem *addr = core->bus->mmio + offset;
+ if (core->bus->mapped_core != core)
+ bcma_host_pci_switch_core(core);
+ switch (reg_width) {
+ case sizeof(u8):
+ ioread8_rep(addr, buffer, count);
+ break;
+ case sizeof(u16):
+ WARN_ON(count & 1);
+ ioread16_rep(addr, buffer, count >> 1);
+ break;
+ case sizeof(u32):
+ WARN_ON(count & 3);
+ ioread32_rep(addr, buffer, count >> 2);
+ break;
+ default:
+ WARN_ON(1);
+ }
+}
+
+static void bcma_host_pci_block_write(struct bcma_device *core,
+ const void *buffer, size_t count,
+ u16 offset, u8 reg_width)
+{
+ void __iomem *addr = core->bus->mmio + offset;
+ if (core->bus->mapped_core != core)
+ bcma_host_pci_switch_core(core);
+ switch (reg_width) {
+ case sizeof(u8):
+ iowrite8_rep(addr, buffer, count);
+ break;
+ case sizeof(u16):
+ WARN_ON(count & 1);
+ iowrite16_rep(addr, buffer, count >> 1);
+ break;
+ case sizeof(u32):
+ WARN_ON(count & 3);
+ iowrite32_rep(addr, buffer, count >> 2);
+ break;
+ default:
+ WARN_ON(1);
+ }
+}
+#endif
+
+static u32 bcma_host_pci_aread32(struct bcma_device *core, u16 offset)
+{
+ if (core->bus->mapped_core != core)
+ bcma_host_pci_switch_core(core);
+ return ioread32(core->bus->mmio + (1 * BCMA_CORE_SIZE) + offset);
+}
+
+static void bcma_host_pci_awrite32(struct bcma_device *core, u16 offset,
+ u32 value)
+{
+ if (core->bus->mapped_core != core)
+ bcma_host_pci_switch_core(core);
+ iowrite32(value, core->bus->mmio + (1 * BCMA_CORE_SIZE) + offset);
+}
+
+static const struct bcma_host_ops bcma_host_pci_ops = {
+ .read8 = bcma_host_pci_read8,
+ .read16 = bcma_host_pci_read16,
+ .read32 = bcma_host_pci_read32,
+ .write8 = bcma_host_pci_write8,
+ .write16 = bcma_host_pci_write16,
+ .write32 = bcma_host_pci_write32,
+#ifdef CPTCFG_BCMA_BLOCKIO
+ .block_read = bcma_host_pci_block_read,
+ .block_write = bcma_host_pci_block_write,
+#endif
+ .aread32 = bcma_host_pci_aread32,
+ .awrite32 = bcma_host_pci_awrite32,
+};
+
+static int bcma_host_pci_probe(struct pci_dev *dev,
+ const struct pci_device_id *id)
+{
+ struct bcma_bus *bus;
+ int err = -ENOMEM;
+ const char *name;
+ u32 val;
+
+ /* Alloc */
+ bus = kzalloc(sizeof(*bus), GFP_KERNEL);
+ if (!bus)
+ goto out;
+
+ /* Basic PCI configuration */
+ err = pci_enable_device(dev);
+ if (err)
+ goto err_kfree_bus;
+
+ name = dev_name(&dev->dev);
+ if (dev->driver && dev->driver->name)
+ name = dev->driver->name;
+ err = pci_request_regions(dev, name);
+ if (err)
+ goto err_pci_disable;
+ pci_set_master(dev);
+
+ /* Disable the RETRY_TIMEOUT register (0x41) to keep
+ * PCI Tx retries from interfering with C3 CPU state */
+ pci_read_config_dword(dev, 0x40, &val);
+ if ((val & 0x0000ff00) != 0)
+ pci_write_config_dword(dev, 0x40, val & 0xffff00ff);
+
+ /* SSB needed additional powering up, do we have any AMBA PCI cards? */
+ if (!pci_is_pcie(dev)) {
+ bcma_err(bus, "PCI card detected, they are not supported.\n");
+ err = -ENXIO;
+ goto err_pci_release_regions;
+ }
+
+ /* Map MMIO */
+ err = -ENOMEM;
+ bus->mmio = pci_iomap(dev, 0, ~0UL);
+ if (!bus->mmio)
+ goto err_pci_release_regions;
+
+ /* Host specific */
+ bus->host_pci = dev;
+ bus->hosttype = BCMA_HOSTTYPE_PCI;
+ bus->ops = &bcma_host_pci_ops;
+
+ bus->boardinfo.vendor = bus->host_pci->subsystem_vendor;
+ bus->boardinfo.type = bus->host_pci->subsystem_device;
+
+ /* Initialize struct, detect chip */
+ bcma_init_bus(bus);
+
+ /* Scan bus to find out generation of PCIe core */
+ err = bcma_bus_scan(bus);
+ if (err)
+ goto err_pci_unmap_mmio;
+
+ if (bcma_find_core(bus, BCMA_CORE_PCIE2))
+ bus->host_is_pcie2 = true;
+
+ /* Register */
+ err = bcma_bus_register(bus);
+ if (err)
+ goto err_unregister_cores;
+
+ pci_set_drvdata(dev, bus);
+
+out:
+ return err;
+
+err_unregister_cores:
+ bcma_unregister_cores(bus);
+err_pci_unmap_mmio:
+ pci_iounmap(dev, bus->mmio);
+err_pci_release_regions:
+ pci_release_regions(dev);
+err_pci_disable:
+ pci_disable_device(dev);
+err_kfree_bus:
+ kfree(bus);
+ return err;
+}
+
+static void bcma_host_pci_remove(struct pci_dev *dev)
+{
+ struct bcma_bus *bus = pci_get_drvdata(dev);
+
+ bcma_bus_unregister(bus);
+ pci_iounmap(dev, bus->mmio);
+ pci_release_regions(dev);
+ pci_disable_device(dev);
+ kfree(bus);
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int bcma_host_pci_suspend(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct bcma_bus *bus = pci_get_drvdata(pdev);
+
+ bus->mapped_core = NULL;
+
+ return bcma_bus_suspend(bus);
+}
+
+static int bcma_host_pci_resume(struct device *dev)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ struct bcma_bus *bus = pci_get_drvdata(pdev);
+
+ return bcma_bus_resume(bus);
+}
+
+static SIMPLE_DEV_PM_OPS(bcma_pm_ops, bcma_host_pci_suspend,
+ bcma_host_pci_resume);
+#define BCMA_PM_OPS (&bcma_pm_ops)
+
+#else /* CONFIG_PM_SLEEP */
+
+#define BCMA_PM_OPS NULL
+
+#endif /* CONFIG_PM_SLEEP */
+
+static const struct pci_device_id bcma_pci_bridge_tbl[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x0576) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4313) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43224) }, /* 0xa8d8 */
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4331) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4353) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4358) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4359) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4360) },
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_BROADCOM, 0x4365, PCI_VENDOR_ID_DELL, 0x0016) },
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_BROADCOM, 0x4365, PCI_VENDOR_ID_DELL, 0x0018) },
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_BROADCOM, 0x4365, PCI_VENDOR_ID_FOXCONN, 0xe092) },
+ { PCI_DEVICE_SUB(PCI_VENDOR_ID_BROADCOM, 0x4365, PCI_VENDOR_ID_HP, 0x804a) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a0) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43b1) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43227) }, /* 0xa8db, BCM43217 (sic!) */
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43228) }, /* 0xa8dc */
+ { 0, },
+};
+MODULE_DEVICE_TABLE(pci, bcma_pci_bridge_tbl);
+
+static struct pci_driver bcma_pci_bridge_driver = {
+ .name = "bcma-pci-bridge",
+ .id_table = bcma_pci_bridge_tbl,
+ .probe = bcma_host_pci_probe,
+ .remove = bcma_host_pci_remove,
+ .driver.pm = BCMA_PM_OPS,
+};
+
+int __init bcma_host_pci_init(void)
+{
+ return pci_register_driver(&bcma_pci_bridge_driver);
+}
+
+void __exit bcma_host_pci_exit(void)
+{
+ pci_unregister_driver(&bcma_pci_bridge_driver);
+}
+
+/**************************************************
+ * Runtime ops for drivers.
+ **************************************************/
+
+/* See also pcicore_up */
+void bcma_host_pci_up(struct bcma_bus *bus)
+{
+ if (bus->hosttype != BCMA_HOSTTYPE_PCI)
+ return;
+
+ if (bus->host_is_pcie2)
+ bcma_core_pcie2_up(&bus->drv_pcie2);
+ else
+ bcma_core_pci_up(&bus->drv_pci[0]);
+}
+EXPORT_SYMBOL_GPL(bcma_host_pci_up);
+
+/* See also pcicore_down */
+void bcma_host_pci_down(struct bcma_bus *bus)
+{
+ if (bus->hosttype != BCMA_HOSTTYPE_PCI)
+ return;
+
+ if (!bus->host_is_pcie2)
+ bcma_core_pci_down(&bus->drv_pci[0]);
+}
+EXPORT_SYMBOL_GPL(bcma_host_pci_down);
+
+/* See also si_pci_setup */
+int bcma_host_pci_irq_ctl(struct bcma_bus *bus, struct bcma_device *core,
+ bool enable)
+{
+ struct pci_dev *pdev;
+ u32 coremask, tmp;
+ int err = 0;
+
+ if (bus->hosttype != BCMA_HOSTTYPE_PCI) {
+ /* This bcma device is not on a PCI host-bus. So the IRQs are
+ * not routed through the PCI core.
+ * So we must not enable routing through the PCI core. */
+ goto out;
+ }
+
+ pdev = bus->host_pci;
+
+ err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp);
+ if (err)
+ goto out;
+
+ coremask = BIT(core->core_index) << 8;
+ if (enable)
+ tmp |= coremask;
+ else
+ tmp &= ~coremask;
+
+ err = pci_write_config_dword(pdev, BCMA_PCI_IRQMASK, tmp);
+
+out:
+ return err;
+}
+EXPORT_SYMBOL_GPL(bcma_host_pci_irq_ctl);
diff --git a/drivers/bcma/host_soc.c b/drivers/bcma/host_soc.c
new file mode 100644
index 0000000..0c37a88
--- /dev/null
+++ b/drivers/bcma/host_soc.c
@@ -0,0 +1,278 @@
+/*
+ * Broadcom specific AMBA
+ * System on Chip (SoC) Host
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+#include "scan.h"
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/of_address.h>
+#include <linux/bcma/bcma.h>
+#include <linux/bcma/bcma_soc.h>
+
+static u8 bcma_host_soc_read8(struct bcma_device *core, u16 offset)
+{
+ return readb(core->io_addr + offset);
+}
+
+static u16 bcma_host_soc_read16(struct bcma_device *core, u16 offset)
+{
+ return readw(core->io_addr + offset);
+}
+
+static u32 bcma_host_soc_read32(struct bcma_device *core, u16 offset)
+{
+ return readl(core->io_addr + offset);
+}
+
+static void bcma_host_soc_write8(struct bcma_device *core, u16 offset,
+ u8 value)
+{
+ writeb(value, core->io_addr + offset);
+}
+
+static void bcma_host_soc_write16(struct bcma_device *core, u16 offset,
+ u16 value)
+{
+ writew(value, core->io_addr + offset);
+}
+
+static void bcma_host_soc_write32(struct bcma_device *core, u16 offset,
+ u32 value)
+{
+ writel(value, core->io_addr + offset);
+}
+
+#ifdef CPTCFG_BCMA_BLOCKIO
+static void bcma_host_soc_block_read(struct bcma_device *core, void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ void __iomem *addr = core->io_addr + offset;
+
+ switch (reg_width) {
+ case sizeof(u8): {
+ u8 *buf = buffer;
+
+ while (count) {
+ *buf = __raw_readb(addr);
+ buf++;
+ count--;
+ }
+ break;
+ }
+ case sizeof(u16): {
+ __le16 *buf = buffer;
+
+ WARN_ON(count & 1);
+ while (count) {
+ *buf = (__force __le16)__raw_readw(addr);
+ buf++;
+ count -= 2;
+ }
+ break;
+ }
+ case sizeof(u32): {
+ __le32 *buf = buffer;
+
+ WARN_ON(count & 3);
+ while (count) {
+ *buf = (__force __le32)__raw_readl(addr);
+ buf++;
+ count -= 4;
+ }
+ break;
+ }
+ default:
+ WARN_ON(1);
+ }
+}
+
+static void bcma_host_soc_block_write(struct bcma_device *core,
+ const void *buffer,
+ size_t count, u16 offset, u8 reg_width)
+{
+ void __iomem *addr = core->io_addr + offset;
+
+ switch (reg_width) {
+ case sizeof(u8): {
+ const u8 *buf = buffer;
+
+ while (count) {
+ __raw_writeb(*buf, addr);
+ buf++;
+ count--;
+ }
+ break;
+ }
+ case sizeof(u16): {
+ const __le16 *buf = buffer;
+
+ WARN_ON(count & 1);
+ while (count) {
+ __raw_writew((__force u16)(*buf), addr);
+ buf++;
+ count -= 2;
+ }
+ break;
+ }
+ case sizeof(u32): {
+ const __le32 *buf = buffer;
+
+ WARN_ON(count & 3);
+ while (count) {
+ __raw_writel((__force u32)(*buf), addr);
+ buf++;
+ count -= 4;
+ }
+ break;
+ }
+ default:
+ WARN_ON(1);
+ }
+}
+#endif /* CPTCFG_BCMA_BLOCKIO */
+
+static u32 bcma_host_soc_aread32(struct bcma_device *core, u16 offset)
+{
+ if (WARN_ONCE(!core->io_wrap, "Accessed core has no wrapper/agent\n"))
+ return ~0;
+ return readl(core->io_wrap + offset);
+}
+
+static void bcma_host_soc_awrite32(struct bcma_device *core, u16 offset,
+ u32 value)
+{
+ if (WARN_ONCE(!core->io_wrap, "Accessed core has no wrapper/agent\n"))
+ return;
+ writel(value, core->io_wrap + offset);
+}
+
+static const struct bcma_host_ops bcma_host_soc_ops = {
+ .read8 = bcma_host_soc_read8,
+ .read16 = bcma_host_soc_read16,
+ .read32 = bcma_host_soc_read32,
+ .write8 = bcma_host_soc_write8,
+ .write16 = bcma_host_soc_write16,
+ .write32 = bcma_host_soc_write32,
+#ifdef CPTCFG_BCMA_BLOCKIO
+ .block_read = bcma_host_soc_block_read,
+ .block_write = bcma_host_soc_block_write,
+#endif
+ .aread32 = bcma_host_soc_aread32,
+ .awrite32 = bcma_host_soc_awrite32,
+};
+
+int __init bcma_host_soc_register(struct bcma_soc *soc)
+{
+ struct bcma_bus *bus = &soc->bus;
+
+ /* iomap only first core. We have to read some register on this core
+ * to scan the bus.
+ */
+ bus->mmio = ioremap_nocache(BCMA_ADDR_BASE, BCMA_CORE_SIZE * 1);
+ if (!bus->mmio)
+ return -ENOMEM;
+
+ /* Host specific */
+ bus->hosttype = BCMA_HOSTTYPE_SOC;
+ bus->ops = &bcma_host_soc_ops;
+ bus->host_pdev = NULL;
+
+ /* Initialize struct, detect chip */
+ bcma_init_bus(bus);
+
+ return 0;
+}
+
+int __init bcma_host_soc_init(struct bcma_soc *soc)
+{
+ struct bcma_bus *bus = &soc->bus;
+ int err;
+
+ /* Scan bus and initialize it */
+ err = bcma_bus_early_register(bus);
+ if (err)
+ iounmap(bus->mmio);
+
+ return err;
+}
+
+#ifdef CONFIG_OF
+static int bcma_host_soc_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *np = dev->of_node;
+ struct bcma_bus *bus;
+ int err;
+
+ /* Alloc */
+ bus = devm_kzalloc(dev, sizeof(*bus), GFP_KERNEL);
+ if (!bus)
+ return -ENOMEM;
+
+ /* Map MMIO */
+ bus->mmio = of_iomap(np, 0);
+ if (!bus->mmio)
+ return -ENOMEM;
+
+ /* Host specific */
+ bus->hosttype = BCMA_HOSTTYPE_SOC;
+ bus->ops = &bcma_host_soc_ops;
+ bus->host_pdev = pdev;
+
+ /* Initialize struct, detect chip */
+ bcma_init_bus(bus);
+
+ /* Register */
+ err = bcma_bus_register(bus);
+ if (err)
+ goto err_unmap_mmio;
+
+ platform_set_drvdata(pdev, bus);
+
+ return err;
+
+err_unmap_mmio:
+ iounmap(bus->mmio);
+ return err;
+}
+
+static int bcma_host_soc_remove(struct platform_device *pdev)
+{
+ struct bcma_bus *bus = platform_get_drvdata(pdev);
+
+ bcma_bus_unregister(bus);
+ iounmap(bus->mmio);
+ platform_set_drvdata(pdev, NULL);
+
+ return 0;
+}
+
+static const struct of_device_id bcma_host_soc_of_match[] = {
+ { .compatible = "brcm,bus-axi", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, bcma_host_soc_of_match);
+
+static struct platform_driver bcma_host_soc_driver = {
+ .driver = {
+ .name = "bcma-host-soc",
+ .of_match_table = bcma_host_soc_of_match,
+ },
+ .probe = bcma_host_soc_probe,
+ .remove = bcma_host_soc_remove,
+};
+
+int __init bcma_host_soc_register_driver(void)
+{
+ return platform_driver_register(&bcma_host_soc_driver);
+}
+
+void __exit bcma_host_soc_unregister_driver(void)
+{
+ platform_driver_unregister(&bcma_host_soc_driver);
+}
+#endif /* CONFIG_OF */
diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
new file mode 100644
index 0000000..0f7c50d
--- /dev/null
+++ b/drivers/bcma/main.c
@@ -0,0 +1,742 @@
+/*
+ * Broadcom specific AMBA
+ * Bus subsystem
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+#include <linux/module.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/platform_device.h>
+#include <linux/pci.h>
+#include <linux/bcma/bcma.h>
+#include <linux/slab.h>
+#include <linux/of_address.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+
+MODULE_DESCRIPTION("Broadcom's specific AMBA driver");
+MODULE_LICENSE("GPL");
+
+/* contains the number the next bus should get. */
+static unsigned int bcma_bus_next_num = 0;
+
+/* bcma_buses_mutex locks the bcma_bus_next_num */
+static DEFINE_MUTEX(bcma_buses_mutex);
+
+static int bcma_bus_match(struct device *dev, struct device_driver *drv);
+static int bcma_device_probe(struct device *dev);
+static int bcma_device_remove(struct device *dev);
+static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env);
+
+static ssize_t manuf_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct bcma_device *core = container_of(dev, struct bcma_device, dev);
+ return sprintf(buf, "0x%03X\n", core->id.manuf);
+}
+static DEVICE_ATTR_RO(manuf);
+
+static ssize_t id_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct bcma_device *core = container_of(dev, struct bcma_device, dev);
+ return sprintf(buf, "0x%03X\n", core->id.id);
+}
+static DEVICE_ATTR_RO(id);
+
+static ssize_t rev_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct bcma_device *core = container_of(dev, struct bcma_device, dev);
+ return sprintf(buf, "0x%02X\n", core->id.rev);
+}
+static DEVICE_ATTR_RO(rev);
+
+static ssize_t class_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct bcma_device *core = container_of(dev, struct bcma_device, dev);
+ return sprintf(buf, "0x%X\n", core->id.class);
+}
+static DEVICE_ATTR_RO(class);
+
+static struct attribute *bcma_device_attrs[] = {
+ &dev_attr_manuf.attr,
+ &dev_attr_id.attr,
+ &dev_attr_rev.attr,
+ &dev_attr_class.attr,
+ NULL,
+};
+#if LINUX_VERSION_IS_GEQ(3,12,0)
+ATTRIBUTE_GROUPS(bcma_device);
+#else
+#define BP_ATTR_GRP_STRUCT device_attribute
+ATTRIBUTE_GROUPS_BACKPORT(bcma_device);
+#endif
+
+static struct bus_type bcma_bus_type = {
+ .name = "bcma",
+ .match = bcma_bus_match,
+ .probe = bcma_device_probe,
+ .remove = bcma_device_remove,
+ .uevent = bcma_device_uevent,
+#if LINUX_VERSION_IS_GEQ(3,12,0)
+ .dev_groups = bcma_device_groups,
+#else
+ .dev_attrs = bcma_device_dev_attrs,
+#endif
+
+};
+
+static u16 bcma_cc_core_id(struct bcma_bus *bus)
+{
+ if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4706)
+ return BCMA_CORE_4706_CHIPCOMMON;
+ return BCMA_CORE_CHIPCOMMON;
+}
+
+struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid,
+ u8 unit)
+{
+ struct bcma_device *core;
+
+ list_for_each_entry(core, &bus->cores, list) {
+ if (core->id.id == coreid && core->core_unit == unit)
+ return core;
+ }
+ return NULL;
+}
+EXPORT_SYMBOL_GPL(bcma_find_core_unit);
+
+bool bcma_wait_value(struct bcma_device *core, u16 reg, u32 mask, u32 value,
+ int timeout)
+{
+ unsigned long deadline = jiffies + timeout;
+ u32 val;
+
+ do {
+ val = bcma_read32(core, reg);
+ if ((val & mask) == value)
+ return true;
+ cpu_relax();
+ udelay(10);
+ } while (!time_after_eq(jiffies, deadline));
+
+ bcma_warn(core->bus, "Timeout waiting for register 0x%04X!\n", reg);
+
+ return false;
+}
+
+static void bcma_release_core_dev(struct device *dev)
+{
+ struct bcma_device *core = container_of(dev, struct bcma_device, dev);
+ if (core->io_addr)
+ iounmap(core->io_addr);
+ if (core->io_wrap)
+ iounmap(core->io_wrap);
+ kfree(core);
+}
+
+static bool bcma_is_core_needed_early(u16 core_id)
+{
+ switch (core_id) {
+ case BCMA_CORE_NS_NAND:
+ case BCMA_CORE_NS_QSPI:
+ return true;
+ }
+
+ return false;
+}
+
+static struct device_node *bcma_of_find_child_device(struct device *parent,
+ struct bcma_device *core)
+{
+ struct device_node *node;
+ u64 size;
+ const __be32 *reg;
+
+ if (!parent->of_node)
+ return NULL;
+
+ for_each_child_of_node(parent->of_node, node) {
+ reg = of_get_address(node, 0, &size, NULL);
+ if (!reg)
+ continue;
+ if (of_translate_address(node, reg) == core->addr)
+ return node;
+ }
+ return NULL;
+}
+
+#if LINUX_VERSION_IS_GEQ(3,13,0)
+static int bcma_of_irq_parse(struct device *parent,
+ struct bcma_device *core,
+ struct of_phandle_args *out_irq, int num)
+{
+ __be32 laddr[1];
+ int rc;
+
+ if (core->dev.of_node) {
+ rc = of_irq_parse_one(core->dev.of_node, num, out_irq);
+ if (!rc)
+ return rc;
+ }
+
+ out_irq->np = parent->of_node;
+ out_irq->args_count = 1;
+ out_irq->args[0] = num;
+
+ laddr[0] = cpu_to_be32(core->addr);
+ return of_irq_parse_raw(laddr, out_irq);
+}
+
+static unsigned int bcma_of_get_irq(struct device *parent,
+ struct bcma_device *core, int num)
+{
+ struct of_phandle_args out_irq;
+ int ret;
+
+ if (!IS_ENABLED(CONFIG_OF_IRQ) || !parent->of_node)
+ return 0;
+
+ ret = bcma_of_irq_parse(parent, core, &out_irq, num);
+ if (ret) {
+ bcma_debug(core->bus, "bcma_of_get_irq() failed with rc=%d\n",
+ ret);
+ return 0;
+ }
+
+ return irq_create_of_mapping(&out_irq);
+}
+#else
+static unsigned int bcma_of_get_irq(struct device *parent,
+ struct bcma_device *core, int num)
+{
+ return 0;
+}
+#endif
+
+static void bcma_of_fill_device(struct device *parent,
+ struct bcma_device *core)
+{
+ struct device_node *node;
+
+ node = bcma_of_find_child_device(parent, core);
+ if (node)
+ core->dev.of_node = node;
+
+ core->irq = bcma_of_get_irq(parent, core, 0);
+
+ of_dma_configure(&core->dev, node, false);
+}
+
+unsigned int bcma_core_irq(struct bcma_device *core, int num)
+{
+ struct bcma_bus *bus = core->bus;
+ unsigned int mips_irq;
+
+ switch (bus->hosttype) {
+ case BCMA_HOSTTYPE_PCI:
+ return bus->host_pci->irq;
+ case BCMA_HOSTTYPE_SOC:
+ if (bus->drv_mips.core && num == 0) {
+ mips_irq = bcma_core_mips_irq(core);
+ return mips_irq <= 4 ? mips_irq + 2 : 0;
+ }
+ if (bus->host_pdev)
+ return bcma_of_get_irq(&bus->host_pdev->dev, core, num);
+ return 0;
+ case BCMA_HOSTTYPE_SDIO:
+ return 0;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(bcma_core_irq);
+
+void bcma_prepare_core(struct bcma_bus *bus, struct bcma_device *core)
+{
+ core->dev.release = bcma_release_core_dev;
+ core->dev.bus = &bcma_bus_type;
+ dev_set_name(&core->dev, "bcma%d:%d", bus->num, core->core_index);
+ core->dev.parent = bcma_bus_get_host_dev(bus);
+ if (core->dev.parent)
+ bcma_of_fill_device(core->dev.parent, core);
+
+ switch (bus->hosttype) {
+ case BCMA_HOSTTYPE_PCI:
+ core->dma_dev = &bus->host_pci->dev;
+ core->irq = bus->host_pci->irq;
+ break;
+ case BCMA_HOSTTYPE_SOC:
+ if (IS_ENABLED(CONFIG_OF) && bus->host_pdev) {
+ core->dma_dev = &bus->host_pdev->dev;
+ } else {
+ core->dev.dma_mask = &core->dev.coherent_dma_mask;
+ core->dma_dev = &core->dev;
+ }
+ break;
+ case BCMA_HOSTTYPE_SDIO:
+ break;
+ }
+}
+
+struct device *bcma_bus_get_host_dev(struct bcma_bus *bus)
+{
+ switch (bus->hosttype) {
+ case BCMA_HOSTTYPE_PCI:
+ if (bus->host_pci)
+ return &bus->host_pci->dev;
+ else
+ return NULL;
+ case BCMA_HOSTTYPE_SOC:
+ if (bus->host_pdev)
+ return &bus->host_pdev->dev;
+ else
+ return NULL;
+ case BCMA_HOSTTYPE_SDIO:
+ if (bus->host_sdio)
+ return &bus->host_sdio->dev;
+ else
+ return NULL;
+ }
+ return NULL;
+}
+
+void bcma_init_bus(struct bcma_bus *bus)
+{
+ mutex_lock(&bcma_buses_mutex);
+ bus->num = bcma_bus_next_num++;
+ mutex_unlock(&bcma_buses_mutex);
+
+ INIT_LIST_HEAD(&bus->cores);
+ bus->nr_cores = 0;
+
+ bcma_detect_chip(bus);
+}
+
+static void bcma_register_core(struct bcma_bus *bus, struct bcma_device *core)
+{
+ int err;
+
+ err = device_register(&core->dev);
+ if (err) {
+ bcma_err(bus, "Could not register dev for core 0x%03X\n",
+ core->id.id);
+ put_device(&core->dev);
+ return;
+ }
+ core->dev_registered = true;
+}
+
+static int bcma_register_devices(struct bcma_bus *bus)
+{
+ struct bcma_device *core;
+ int err;
+
+ list_for_each_entry(core, &bus->cores, list) {
+ /* We support that cores ourself */
+ switch (core->id.id) {
+ case BCMA_CORE_4706_CHIPCOMMON:
+ case BCMA_CORE_CHIPCOMMON:
+ case BCMA_CORE_NS_CHIPCOMMON_B:
+ case BCMA_CORE_PCI:
+ case BCMA_CORE_PCIE:
+ case BCMA_CORE_PCIE2:
+ case BCMA_CORE_MIPS_74K:
+ case BCMA_CORE_4706_MAC_GBIT_COMMON:
+ continue;
+ }
+
+ /* Early cores were already registered */
+ if (bcma_is_core_needed_early(core->id.id))
+ continue;
+
+ /* Only first GMAC core on BCM4706 is connected and working */
+ if (core->id.id == BCMA_CORE_4706_MAC_GBIT &&
+ core->core_unit > 0)
+ continue;
+
+ bcma_register_core(bus, core);
+ }
+
+#ifdef CPTCFG_BCMA_PFLASH
+ if (bus->drv_cc.pflash.present) {
+ err = platform_device_register(&bcma_pflash_dev);
+ if (err)
+ bcma_err(bus, "Error registering parallel flash\n");
+ }
+#endif
+
+#ifdef CPTCFG_BCMA_SFLASH
+ if (bus->drv_cc.sflash.present) {
+ err = platform_device_register(&bcma_sflash_dev);
+ if (err)
+ bcma_err(bus, "Error registering serial flash\n");
+ }
+#endif
+
+#ifdef CPTCFG_BCMA_NFLASH
+ if (bus->drv_cc.nflash.present) {
+ err = platform_device_register(&bcma_nflash_dev);
+ if (err)
+ bcma_err(bus, "Error registering NAND flash\n");
+ }
+#endif
+ err = bcma_gpio_init(&bus->drv_cc);
+ if (err == -ENOTSUPP)
+ bcma_debug(bus, "GPIO driver not activated\n");
+ else if (err)
+ bcma_err(bus, "Error registering GPIO driver: %i\n", err);
+
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
+ err = bcma_chipco_watchdog_register(&bus->drv_cc);
+ if (err)
+ bcma_err(bus, "Error registering watchdog driver\n");
+ }
+
+ return 0;
+}
+
+void bcma_unregister_cores(struct bcma_bus *bus)
+{
+ struct bcma_device *core, *tmp;
+
+ list_for_each_entry_safe(core, tmp, &bus->cores, list) {
+ if (!core->dev_registered)
+ continue;
+ list_del(&core->list);
+ device_unregister(&core->dev);
+ }
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC)
+ platform_device_unregister(bus->drv_cc.watchdog);
+
+ /* Now noone uses internally-handled cores, we can free them */
+ list_for_each_entry_safe(core, tmp, &bus->cores, list) {
+ list_del(&core->list);
+ kfree(core);
+ }
+}
+
+int bcma_bus_register(struct bcma_bus *bus)
+{
+ int err;
+ struct bcma_device *core;
+ struct device *dev;
+
+ /* Scan for devices (cores) */
+ err = bcma_bus_scan(bus);
+ if (err) {
+ bcma_err(bus, "Failed to scan: %d\n", err);
+ return err;
+ }
+
+ /* Early init CC core */
+ core = bcma_find_core(bus, bcma_cc_core_id(bus));
+ if (core) {
+ bus->drv_cc.core = core;
+ bcma_core_chipcommon_early_init(&bus->drv_cc);
+ }
+
+ /* Early init PCIE core */
+ core = bcma_find_core(bus, BCMA_CORE_PCIE);
+ if (core) {
+ bus->drv_pci[0].core = core;
+ bcma_core_pci_early_init(&bus->drv_pci[0]);
+ }
+
+ dev = bcma_bus_get_host_dev(bus);
+ if (dev) {
+ of_platform_default_populate(dev->of_node, NULL, dev);
+ }
+
+ /* Cores providing flash access go before SPROM init */
+ list_for_each_entry(core, &bus->cores, list) {
+ if (bcma_is_core_needed_early(core->id.id))
+ bcma_register_core(bus, core);
+ }
+
+ /* Try to get SPROM */
+ err = bcma_sprom_get(bus);
+ if (err == -ENOENT) {
+ bcma_err(bus, "No SPROM available\n");
+ } else if (err)
+ bcma_err(bus, "Failed to get SPROM: %d\n", err);
+
+ /* Init CC core */
+ core = bcma_find_core(bus, bcma_cc_core_id(bus));
+ if (core) {
+ bus->drv_cc.core = core;
+ bcma_core_chipcommon_init(&bus->drv_cc);
+ }
+
+ /* Init CC core */
+ core = bcma_find_core(bus, BCMA_CORE_NS_CHIPCOMMON_B);
+ if (core) {
+ bus->drv_cc_b.core = core;
+ bcma_core_chipcommon_b_init(&bus->drv_cc_b);
+ }
+
+ /* Init MIPS core */
+ core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
+ if (core) {
+ bus->drv_mips.core = core;
+ bcma_core_mips_init(&bus->drv_mips);
+ }
+
+ /* Init PCIE core */
+ core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 0);
+ if (core) {
+ bus->drv_pci[0].core = core;
+ bcma_core_pci_init(&bus->drv_pci[0]);
+ }
+
+ /* Init PCIE core */
+ core = bcma_find_core_unit(bus, BCMA_CORE_PCIE, 1);
+ if (core) {
+ bus->drv_pci[1].core = core;
+ bcma_core_pci_init(&bus->drv_pci[1]);
+ }
+
+ /* Init PCIe Gen 2 core */
+ core = bcma_find_core_unit(bus, BCMA_CORE_PCIE2, 0);
+ if (core) {
+ bus->drv_pcie2.core = core;
+ bcma_core_pcie2_init(&bus->drv_pcie2);
+ }
+
+ /* Init GBIT MAC COMMON core */
+ core = bcma_find_core(bus, BCMA_CORE_4706_MAC_GBIT_COMMON);
+ if (core) {
+ bus->drv_gmac_cmn.core = core;
+ bcma_core_gmac_cmn_init(&bus->drv_gmac_cmn);
+ }
+
+ /* Register found cores */
+ bcma_register_devices(bus);
+
+ bcma_info(bus, "Bus registered\n");
+
+ return 0;
+}
+
+void bcma_bus_unregister(struct bcma_bus *bus)
+{
+ int err;
+
+ err = bcma_gpio_unregister(&bus->drv_cc);
+ if (err == -EBUSY)
+ bcma_err(bus, "Some GPIOs are still in use.\n");
+ else if (err)
+ bcma_err(bus, "Can not unregister GPIO driver: %i\n", err);
+
+ bcma_core_chipcommon_b_free(&bus->drv_cc_b);
+
+ bcma_unregister_cores(bus);
+}
+
+/*
+ * This is a special version of bus registration function designed for SoCs.
+ * It scans bus and performs basic initialization of main cores only.
+ * Please note it requires memory allocation, however it won't try to sleep.
+ */
+int __init bcma_bus_early_register(struct bcma_bus *bus)
+{
+ int err;
+ struct bcma_device *core;
+
+ /* Scan for devices (cores) */
+ err = bcma_bus_scan(bus);
+ if (err) {
+ bcma_err(bus, "Failed to scan bus: %d\n", err);
+ return -1;
+ }
+
+ /* Early init CC core */
+ core = bcma_find_core(bus, bcma_cc_core_id(bus));
+ if (core) {
+ bus->drv_cc.core = core;
+ bcma_core_chipcommon_early_init(&bus->drv_cc);
+ }
+
+ /* Early init MIPS core */
+ core = bcma_find_core(bus, BCMA_CORE_MIPS_74K);
+ if (core) {
+ bus->drv_mips.core = core;
+ bcma_core_mips_early_init(&bus->drv_mips);
+ }
+
+ bcma_info(bus, "Early bus registered\n");
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+int bcma_bus_suspend(struct bcma_bus *bus)
+{
+ struct bcma_device *core;
+
+ list_for_each_entry(core, &bus->cores, list) {
+ struct device_driver *drv = core->dev.driver;
+ if (drv) {
+ struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
+ if (adrv->suspend)
+ adrv->suspend(core);
+ }
+ }
+ return 0;
+}
+
+int bcma_bus_resume(struct bcma_bus *bus)
+{
+ struct bcma_device *core;
+
+ /* Init CC core */
+ if (bus->drv_cc.core) {
+ bus->drv_cc.setup_done = false;
+ bcma_core_chipcommon_init(&bus->drv_cc);
+ }
+
+ list_for_each_entry(core, &bus->cores, list) {
+ struct device_driver *drv = core->dev.driver;
+ if (drv) {
+ struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
+ if (adrv->resume)
+ adrv->resume(core);
+ }
+ }
+
+ return 0;
+}
+#endif
+
+int __bcma_driver_register(struct bcma_driver *drv, struct module *owner)
+{
+ drv->drv.name = drv->name;
+ drv->drv.bus = &bcma_bus_type;
+ drv->drv.owner = owner;
+
+ return driver_register(&drv->drv);
+}
+EXPORT_SYMBOL_GPL(__bcma_driver_register);
+
+void bcma_driver_unregister(struct bcma_driver *drv)
+{
+ driver_unregister(&drv->drv);
+}
+EXPORT_SYMBOL_GPL(bcma_driver_unregister);
+
+static int bcma_bus_match(struct device *dev, struct device_driver *drv)
+{
+ struct bcma_device *core = container_of(dev, struct bcma_device, dev);
+ struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
+ const struct bcma_device_id *cid = &core->id;
+ const struct bcma_device_id *did;
+
+ for (did = adrv->id_table; did->manuf || did->id || did->rev; did++) {
+ if ((did->manuf == cid->manuf || did->manuf == BCMA_ANY_MANUF) &&
+ (did->id == cid->id || did->id == BCMA_ANY_ID) &&
+ (did->rev == cid->rev || did->rev == BCMA_ANY_REV) &&
+ (did->class == cid->class || did->class == BCMA_ANY_CLASS))
+ return 1;
+ }
+ return 0;
+}
+
+static int bcma_device_probe(struct device *dev)
+{
+ struct bcma_device *core = container_of(dev, struct bcma_device, dev);
+ struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
+ drv);
+ int err = 0;
+
+ get_device(dev);
+ if (adrv->probe)
+ err = adrv->probe(core);
+ if (err)
+ put_device(dev);
+
+ return err;
+}
+
+static int bcma_device_remove(struct device *dev)
+{
+ struct bcma_device *core = container_of(dev, struct bcma_device, dev);
+ struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
+ drv);
+
+ if (adrv->remove)
+ adrv->remove(core);
+ put_device(dev);
+
+ return 0;
+}
+
+static int bcma_device_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+ struct bcma_device *core = container_of(dev, struct bcma_device, dev);
+
+ return add_uevent_var(env,
+ "MODALIAS=bcma:m%04Xid%04Xrev%02Xcl%02X",
+ core->id.manuf, core->id.id,
+ core->id.rev, core->id.class);
+}
+
+static unsigned int bcma_bus_registered;
+
+/*
+ * If built-in, bus has to be registered early, before any driver calls
+ * bcma_driver_register.
+ * Otherwise registering driver would trigger BUG in driver_register.
+ */
+static int __init bcma_init_bus_register(void)
+{
+ int err;
+
+ if (bcma_bus_registered)
+ return 0;
+
+ init_bcma_device_attrs();
+ err = bus_register(&bcma_bus_type);
+ if (!err)
+ bcma_bus_registered = 1;
+
+ return err;
+}
+#ifndef MODULE
+fs_initcall(bcma_init_bus_register);
+#endif
+
+/* Main initialization has to be done with SPI/mtd/NAND/SPROM available */
+static int __init bcma_modinit(void)
+{
+ int err;
+
+ err = bcma_init_bus_register();
+ if (err)
+ return err;
+
+ err = bcma_host_soc_register_driver();
+ if (err) {
+ pr_err("SoC host initialization failed\n");
+ err = 0;
+ }
+#ifdef CPTCFG_BCMA_HOST_PCI
+ err = bcma_host_pci_init();
+ if (err) {
+ pr_err("PCI host initialization failed\n");
+ err = 0;
+ }
+#endif
+
+ return err;
+}
+module_init(bcma_modinit);
+
+static void __exit bcma_modexit(void)
+{
+#ifdef CPTCFG_BCMA_HOST_PCI
+ bcma_host_pci_exit();
+#endif
+ bcma_host_soc_unregister_driver();
+ bus_unregister(&bcma_bus_type);
+}
+module_exit(bcma_modexit)
diff --git a/drivers/bcma/scan.c b/drivers/bcma/scan.c
new file mode 100644
index 0000000..4a2d1b2
--- /dev/null
+++ b/drivers/bcma/scan.c
@@ -0,0 +1,530 @@
+/*
+ * Broadcom specific AMBA
+ * Bus scanning
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "scan.h"
+#include "bcma_private.h"
+
+#include <linux/bcma/bcma.h>
+#include <linux/bcma/bcma_regs.h>
+#include <linux/pci.h>
+#include <linux/io.h>
+#include <linux/dma-mapping.h>
+#include <linux/slab.h>
+
+struct bcma_device_id_name {
+ u16 id;
+ const char *name;
+};
+
+static const struct bcma_device_id_name bcma_arm_device_names[] = {
+ { BCMA_CORE_4706_MAC_GBIT_COMMON, "BCM4706 GBit MAC Common" },
+ { BCMA_CORE_ARM_1176, "ARM 1176" },
+ { BCMA_CORE_ARM_7TDMI, "ARM 7TDMI" },
+ { BCMA_CORE_ARM_CM3, "ARM CM3" },
+};
+
+static const struct bcma_device_id_name bcma_bcm_device_names[] = {
+ { BCMA_CORE_OOB_ROUTER, "OOB Router" },
+ { BCMA_CORE_4706_CHIPCOMMON, "BCM4706 ChipCommon" },
+ { BCMA_CORE_4706_SOC_RAM, "BCM4706 SOC RAM" },
+ { BCMA_CORE_4706_MAC_GBIT, "BCM4706 GBit MAC" },
+ { BCMA_CORE_NS_PCIEG2, "PCIe Gen 2" },
+ { BCMA_CORE_NS_DMA, "DMA" },
+ { BCMA_CORE_NS_SDIO3, "SDIO3" },
+ { BCMA_CORE_NS_USB20, "USB 2.0" },
+ { BCMA_CORE_NS_USB30, "USB 3.0" },
+ { BCMA_CORE_NS_A9JTAG, "ARM Cortex A9 JTAG" },
+ { BCMA_CORE_NS_DDR23, "Denali DDR2/DDR3 memory controller" },
+ { BCMA_CORE_NS_ROM, "ROM" },
+ { BCMA_CORE_NS_NAND, "NAND flash controller" },
+ { BCMA_CORE_NS_QSPI, "SPI flash controller" },
+ { BCMA_CORE_NS_CHIPCOMMON_B, "Chipcommon B" },
+ { BCMA_CORE_ARMCA9, "ARM Cortex A9 core (ihost)" },
+ { BCMA_CORE_AMEMC, "AMEMC (DDR)" },
+ { BCMA_CORE_ALTA, "ALTA (I2S)" },
+ { BCMA_CORE_INVALID, "Invalid" },
+ { BCMA_CORE_CHIPCOMMON, "ChipCommon" },
+ { BCMA_CORE_ILINE20, "ILine 20" },
+ { BCMA_CORE_SRAM, "SRAM" },
+ { BCMA_CORE_SDRAM, "SDRAM" },
+ { BCMA_CORE_PCI, "PCI" },
+ { BCMA_CORE_ETHERNET, "Fast Ethernet" },
+ { BCMA_CORE_V90, "V90" },
+ { BCMA_CORE_USB11_HOSTDEV, "USB 1.1 Hostdev" },
+ { BCMA_CORE_ADSL, "ADSL" },
+ { BCMA_CORE_ILINE100, "ILine 100" },
+ { BCMA_CORE_IPSEC, "IPSEC" },
+ { BCMA_CORE_UTOPIA, "UTOPIA" },
+ { BCMA_CORE_PCMCIA, "PCMCIA" },
+ { BCMA_CORE_INTERNAL_MEM, "Internal Memory" },
+ { BCMA_CORE_MEMC_SDRAM, "MEMC SDRAM" },
+ { BCMA_CORE_OFDM, "OFDM" },
+ { BCMA_CORE_EXTIF, "EXTIF" },
+ { BCMA_CORE_80211, "IEEE 802.11" },
+ { BCMA_CORE_PHY_A, "PHY A" },
+ { BCMA_CORE_PHY_B, "PHY B" },
+ { BCMA_CORE_PHY_G, "PHY G" },
+ { BCMA_CORE_USB11_HOST, "USB 1.1 Host" },
+ { BCMA_CORE_USB11_DEV, "USB 1.1 Device" },
+ { BCMA_CORE_USB20_HOST, "USB 2.0 Host" },
+ { BCMA_CORE_USB20_DEV, "USB 2.0 Device" },
+ { BCMA_CORE_SDIO_HOST, "SDIO Host" },
+ { BCMA_CORE_ROBOSWITCH, "Roboswitch" },
+ { BCMA_CORE_PARA_ATA, "PATA" },
+ { BCMA_CORE_SATA_XORDMA, "SATA XOR-DMA" },
+ { BCMA_CORE_ETHERNET_GBIT, "GBit Ethernet" },
+ { BCMA_CORE_PCIE, "PCIe" },
+ { BCMA_CORE_PHY_N, "PHY N" },
+ { BCMA_CORE_SRAM_CTL, "SRAM Controller" },
+ { BCMA_CORE_MINI_MACPHY, "Mini MACPHY" },
+ { BCMA_CORE_PHY_LP, "PHY LP" },
+ { BCMA_CORE_PMU, "PMU" },
+ { BCMA_CORE_PHY_SSN, "PHY SSN" },
+ { BCMA_CORE_SDIO_DEV, "SDIO Device" },
+ { BCMA_CORE_PHY_HT, "PHY HT" },
+ { BCMA_CORE_MAC_GBIT, "GBit MAC" },
+ { BCMA_CORE_DDR12_MEM_CTL, "DDR1/DDR2 Memory Controller" },
+ { BCMA_CORE_PCIE_RC, "PCIe Root Complex" },
+ { BCMA_CORE_OCP_OCP_BRIDGE, "OCP to OCP Bridge" },
+ { BCMA_CORE_SHARED_COMMON, "Common Shared" },
+ { BCMA_CORE_OCP_AHB_BRIDGE, "OCP to AHB Bridge" },
+ { BCMA_CORE_SPI_HOST, "SPI Host" },
+ { BCMA_CORE_I2S, "I2S" },
+ { BCMA_CORE_SDR_DDR1_MEM_CTL, "SDR/DDR1 Memory Controller" },
+ { BCMA_CORE_SHIM, "SHIM" },
+ { BCMA_CORE_PCIE2, "PCIe Gen2" },
+ { BCMA_CORE_ARM_CR4, "ARM CR4" },
+ { BCMA_CORE_GCI, "GCI" },
+ { BCMA_CORE_CMEM, "CNDS DDR2/3 memory controller" },
+ { BCMA_CORE_ARM_CA7, "ARM CA7" },
+ { BCMA_CORE_DEFAULT, "Default" },
+};
+
+static const struct bcma_device_id_name bcma_mips_device_names[] = {
+ { BCMA_CORE_MIPS, "MIPS" },
+ { BCMA_CORE_MIPS_3302, "MIPS 3302" },
+ { BCMA_CORE_MIPS_74K, "MIPS 74K" },
+};
+
+static const char *bcma_device_name(const struct bcma_device_id *id)
+{
+ const struct bcma_device_id_name *names;
+ int size, i;
+
+ /* search manufacturer specific names */
+ switch (id->manuf) {
+ case BCMA_MANUF_ARM:
+ names = bcma_arm_device_names;
+ size = ARRAY_SIZE(bcma_arm_device_names);
+ break;
+ case BCMA_MANUF_BCM:
+ names = bcma_bcm_device_names;
+ size = ARRAY_SIZE(bcma_bcm_device_names);
+ break;
+ case BCMA_MANUF_MIPS:
+ names = bcma_mips_device_names;
+ size = ARRAY_SIZE(bcma_mips_device_names);
+ break;
+ default:
+ return "UNKNOWN";
+ }
+
+ for (i = 0; i < size; i++) {
+ if (names[i].id == id->id)
+ return names[i].name;
+ }
+
+ return "UNKNOWN";
+}
+
+static u32 bcma_scan_read32(struct bcma_bus *bus, u8 current_coreidx,
+ u16 offset)
+{
+ return readl(bus->mmio + offset);
+}
+
+static void bcma_scan_switch_core(struct bcma_bus *bus, u32 addr)
+{
+ if (bus->hosttype == BCMA_HOSTTYPE_PCI)
+ pci_write_config_dword(bus->host_pci, BCMA_PCI_BAR0_WIN,
+ addr);
+}
+
+static u32 bcma_erom_get_ent(struct bcma_bus *bus, u32 __iomem **eromptr)
+{
+ u32 ent = readl(*eromptr);
+ (*eromptr)++;
+ return ent;
+}
+
+static void bcma_erom_push_ent(u32 __iomem **eromptr)
+{
+ (*eromptr)--;
+}
+
+static s32 bcma_erom_get_ci(struct bcma_bus *bus, u32 __iomem **eromptr)
+{
+ u32 ent = bcma_erom_get_ent(bus, eromptr);
+ if (!(ent & SCAN_ER_VALID))
+ return -ENOENT;
+ if ((ent & SCAN_ER_TAG) != SCAN_ER_TAG_CI)
+ return -ENOENT;
+ return ent;
+}
+
+static bool bcma_erom_is_end(struct bcma_bus *bus, u32 __iomem **eromptr)
+{
+ u32 ent = bcma_erom_get_ent(bus, eromptr);
+ bcma_erom_push_ent(eromptr);
+ return (ent == (SCAN_ER_TAG_END | SCAN_ER_VALID));
+}
+
+static bool bcma_erom_is_bridge(struct bcma_bus *bus, u32 __iomem **eromptr)
+{
+ u32 ent = bcma_erom_get_ent(bus, eromptr);
+ bcma_erom_push_ent(eromptr);
+ return (((ent & SCAN_ER_VALID)) &&
+ ((ent & SCAN_ER_TAGX) == SCAN_ER_TAG_ADDR) &&
+ ((ent & SCAN_ADDR_TYPE) == SCAN_ADDR_TYPE_BRIDGE));
+}
+
+static void bcma_erom_skip_component(struct bcma_bus *bus, u32 __iomem **eromptr)
+{
+ u32 ent;
+ while (1) {
+ ent = bcma_erom_get_ent(bus, eromptr);
+ if ((ent & SCAN_ER_VALID) &&
+ ((ent & SCAN_ER_TAG) == SCAN_ER_TAG_CI))
+ break;
+ if (ent == (SCAN_ER_TAG_END | SCAN_ER_VALID))
+ break;
+ }
+ bcma_erom_push_ent(eromptr);
+}
+
+static s32 bcma_erom_get_mst_port(struct bcma_bus *bus, u32 __iomem **eromptr)
+{
+ u32 ent = bcma_erom_get_ent(bus, eromptr);
+ if (!(ent & SCAN_ER_VALID))
+ return -ENOENT;
+ if ((ent & SCAN_ER_TAG) != SCAN_ER_TAG_MP)
+ return -ENOENT;
+ return ent;
+}
+
+static u32 bcma_erom_get_addr_desc(struct bcma_bus *bus, u32 __iomem **eromptr,
+ u32 type, u8 port)
+{
+ u32 addrl, addrh, sizel, sizeh = 0;
+ u32 size;
+
+ u32 ent = bcma_erom_get_ent(bus, eromptr);
+ if ((!(ent & SCAN_ER_VALID)) ||
+ ((ent & SCAN_ER_TAGX) != SCAN_ER_TAG_ADDR) ||
+ ((ent & SCAN_ADDR_TYPE) != type) ||
+ (((ent & SCAN_ADDR_PORT) >> SCAN_ADDR_PORT_SHIFT) != port)) {
+ bcma_erom_push_ent(eromptr);
+ return (u32)-EINVAL;
+ }
+
+ addrl = ent & SCAN_ADDR_ADDR;
+ if (ent & SCAN_ADDR_AG32)
+ addrh = bcma_erom_get_ent(bus, eromptr);
+ else
+ addrh = 0;
+
+ if ((ent & SCAN_ADDR_SZ) == SCAN_ADDR_SZ_SZD) {
+ size = bcma_erom_get_ent(bus, eromptr);
+ sizel = size & SCAN_SIZE_SZ;
+ if (size & SCAN_SIZE_SG32)
+ sizeh = bcma_erom_get_ent(bus, eromptr);
+ } else
+ sizel = SCAN_ADDR_SZ_BASE <<
+ ((ent & SCAN_ADDR_SZ) >> SCAN_ADDR_SZ_SHIFT);
+
+ return addrl;
+}
+
+static struct bcma_device *bcma_find_core_by_index(struct bcma_bus *bus,
+ u16 index)
+{
+ struct bcma_device *core;
+
+ list_for_each_entry(core, &bus->cores, list) {
+ if (core->core_index == index)
+ return core;
+ }
+ return NULL;
+}
+
+static struct bcma_device *bcma_find_core_reverse(struct bcma_bus *bus, u16 coreid)
+{
+ struct bcma_device *core;
+
+ list_for_each_entry_reverse(core, &bus->cores, list) {
+ if (core->id.id == coreid)
+ return core;
+ }
+ return NULL;
+}
+
+#define IS_ERR_VALUE_U32(x) ((x) >= (u32)-MAX_ERRNO)
+
+static int bcma_get_next_core(struct bcma_bus *bus, u32 __iomem **eromptr,
+ struct bcma_device_id *match, int core_num,
+ struct bcma_device *core)
+{
+ u32 tmp;
+ u8 i, j, k;
+ s32 cia, cib;
+ u8 ports[2], wrappers[2];
+
+ /* get CIs */
+ cia = bcma_erom_get_ci(bus, eromptr);
+ if (cia < 0) {
+ bcma_erom_push_ent(eromptr);
+ if (bcma_erom_is_end(bus, eromptr))
+ return -ESPIPE;
+ return -EILSEQ;
+ }
+ cib = bcma_erom_get_ci(bus, eromptr);
+ if (cib < 0)
+ return -EILSEQ;
+
+ /* parse CIs */
+ core->id.class = (cia & SCAN_CIA_CLASS) >> SCAN_CIA_CLASS_SHIFT;
+ core->id.id = (cia & SCAN_CIA_ID) >> SCAN_CIA_ID_SHIFT;
+ core->id.manuf = (cia & SCAN_CIA_MANUF) >> SCAN_CIA_MANUF_SHIFT;
+ ports[0] = (cib & SCAN_CIB_NMP) >> SCAN_CIB_NMP_SHIFT;
+ ports[1] = (cib & SCAN_CIB_NSP) >> SCAN_CIB_NSP_SHIFT;
+ wrappers[0] = (cib & SCAN_CIB_NMW) >> SCAN_CIB_NMW_SHIFT;
+ wrappers[1] = (cib & SCAN_CIB_NSW) >> SCAN_CIB_NSW_SHIFT;
+ core->id.rev = (cib & SCAN_CIB_REV) >> SCAN_CIB_REV_SHIFT;
+
+ if (((core->id.manuf == BCMA_MANUF_ARM) &&
+ (core->id.id == 0xFFF)) ||
+ (ports[1] == 0)) {
+ bcma_erom_skip_component(bus, eromptr);
+ return -ENXIO;
+ }
+
+ /* check if component is a core at all */
+ if (wrappers[0] + wrappers[1] == 0) {
+ /* Some specific cores don't need wrappers */
+ switch (core->id.id) {
+ case BCMA_CORE_4706_MAC_GBIT_COMMON:
+ case BCMA_CORE_NS_CHIPCOMMON_B:
+ case BCMA_CORE_PMU:
+ case BCMA_CORE_GCI:
+ /* Not used yet: case BCMA_CORE_OOB_ROUTER: */
+ break;
+ default:
+ bcma_erom_skip_component(bus, eromptr);
+ return -ENXIO;
+ }
+ }
+
+ if (bcma_erom_is_bridge(bus, eromptr)) {
+ bcma_erom_skip_component(bus, eromptr);
+ return -ENXIO;
+ }
+
+ if (bcma_find_core_by_index(bus, core_num)) {
+ bcma_erom_skip_component(bus, eromptr);
+ return -ENODEV;
+ }
+
+ if (match && ((match->manuf != BCMA_ANY_MANUF &&
+ match->manuf != core->id.manuf) ||
+ (match->id != BCMA_ANY_ID && match->id != core->id.id) ||
+ (match->rev != BCMA_ANY_REV && match->rev != core->id.rev) ||
+ (match->class != BCMA_ANY_CLASS && match->class != core->id.class)
+ )) {
+ bcma_erom_skip_component(bus, eromptr);
+ return -ENODEV;
+ }
+
+ /* get & parse master ports */
+ for (i = 0; i < ports[0]; i++) {
+ s32 mst_port_d = bcma_erom_get_mst_port(bus, eromptr);
+ if (mst_port_d < 0)
+ return -EILSEQ;
+ }
+
+ /* First Slave Address Descriptor should be port 0:
+ * the main register space for the core
+ */
+ tmp = bcma_erom_get_addr_desc(bus, eromptr, SCAN_ADDR_TYPE_SLAVE, 0);
+ if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
+ /* Try again to see if it is a bridge */
+ tmp = bcma_erom_get_addr_desc(bus, eromptr,
+ SCAN_ADDR_TYPE_BRIDGE, 0);
+ if (tmp == 0 || IS_ERR_VALUE_U32(tmp)) {
+ return -EILSEQ;
+ } else {
+ bcma_info(bus, "Bridge found\n");
+ return -ENXIO;
+ }
+ }
+ core->addr = tmp;
+
+ /* get & parse slave ports */
+ k = 0;
+ for (i = 0; i < ports[1]; i++) {
+ for (j = 0; ; j++) {
+ tmp = bcma_erom_get_addr_desc(bus, eromptr,
+ SCAN_ADDR_TYPE_SLAVE, i);
+ if (IS_ERR_VALUE_U32(tmp)) {
+ /* no more entries for port _i_ */
+ /* pr_debug("erom: slave port %d "
+ * "has %d descriptors\n", i, j); */
+ break;
+ } else if (k < ARRAY_SIZE(core->addr_s)) {
+ core->addr_s[k] = tmp;
+ k++;
+ }
+ }
+ }
+
+ /* get & parse master wrappers */
+ for (i = 0; i < wrappers[0]; i++) {
+ for (j = 0; ; j++) {
+ tmp = bcma_erom_get_addr_desc(bus, eromptr,
+ SCAN_ADDR_TYPE_MWRAP, i);
+ if (IS_ERR_VALUE_U32(tmp)) {
+ /* no more entries for port _i_ */
+ /* pr_debug("erom: master wrapper %d "
+ * "has %d descriptors\n", i, j); */
+ break;
+ } else {
+ if (i == 0 && j == 0)
+ core->wrap = tmp;
+ }
+ }
+ }
+
+ /* get & parse slave wrappers */
+ for (i = 0; i < wrappers[1]; i++) {
+ u8 hack = (ports[1] == 1) ? 0 : 1;
+ for (j = 0; ; j++) {
+ tmp = bcma_erom_get_addr_desc(bus, eromptr,
+ SCAN_ADDR_TYPE_SWRAP, i + hack);
+ if (IS_ERR_VALUE_U32(tmp)) {
+ /* no more entries for port _i_ */
+ /* pr_debug("erom: master wrapper %d "
+ * has %d descriptors\n", i, j); */
+ break;
+ } else {
+ if (wrappers[0] == 0 && !i && !j)
+ core->wrap = tmp;
+ }
+ }
+ }
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
+ core->io_addr = ioremap_nocache(core->addr, BCMA_CORE_SIZE);
+ if (!core->io_addr)
+ return -ENOMEM;
+ if (core->wrap) {
+ core->io_wrap = ioremap_nocache(core->wrap,
+ BCMA_CORE_SIZE);
+ if (!core->io_wrap) {
+ iounmap(core->io_addr);
+ return -ENOMEM;
+ }
+ }
+ }
+ return 0;
+}
+
+void bcma_detect_chip(struct bcma_bus *bus)
+{
+ s32 tmp;
+ struct bcma_chipinfo *chipinfo = &(bus->chipinfo);
+ char chip_id[8];
+
+ bcma_scan_switch_core(bus, BCMA_ADDR_BASE);
+
+ tmp = bcma_scan_read32(bus, 0, BCMA_CC_ID);
+ chipinfo->id = (tmp & BCMA_CC_ID_ID) >> BCMA_CC_ID_ID_SHIFT;
+ chipinfo->rev = (tmp & BCMA_CC_ID_REV) >> BCMA_CC_ID_REV_SHIFT;
+ chipinfo->pkg = (tmp & BCMA_CC_ID_PKG) >> BCMA_CC_ID_PKG_SHIFT;
+
+ snprintf(chip_id, ARRAY_SIZE(chip_id),
+ (chipinfo->id > 0x9999) ? "%d" : "0x%04X", chipinfo->id);
+ bcma_info(bus, "Found chip with id %s, rev 0x%02X and package 0x%02X\n",
+ chip_id, chipinfo->rev, chipinfo->pkg);
+}
+
+int bcma_bus_scan(struct bcma_bus *bus)
+{
+ u32 erombase;
+ u32 __iomem *eromptr, *eromend;
+
+ int err, core_num = 0;
+
+ /* Skip if bus was already scanned (e.g. during early register) */
+ if (bus->nr_cores)
+ return 0;
+
+ erombase = bcma_scan_read32(bus, 0, BCMA_CC_EROM);
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC) {
+ eromptr = ioremap_nocache(erombase, BCMA_CORE_SIZE);
+ if (!eromptr)
+ return -ENOMEM;
+ } else {
+ eromptr = bus->mmio;
+ }
+
+ eromend = eromptr + BCMA_CORE_SIZE / sizeof(u32);
+
+ bcma_scan_switch_core(bus, erombase);
+
+ while (eromptr < eromend) {
+ struct bcma_device *other_core;
+ struct bcma_device *core = kzalloc(sizeof(*core), GFP_KERNEL);
+ if (!core) {
+ err = -ENOMEM;
+ goto out;
+ }
+ INIT_LIST_HEAD(&core->list);
+ core->bus = bus;
+
+ err = bcma_get_next_core(bus, &eromptr, NULL, core_num, core);
+ if (err < 0) {
+ kfree(core);
+ if (err == -ENODEV) {
+ core_num++;
+ continue;
+ } else if (err == -ENXIO) {
+ continue;
+ } else if (err == -ESPIPE) {
+ break;
+ }
+ goto out;
+ }
+
+ core->core_index = core_num++;
+ bus->nr_cores++;
+ other_core = bcma_find_core_reverse(bus, core->id.id);
+ core->core_unit = (other_core == NULL) ? 0 : other_core->core_unit + 1;
+ bcma_prepare_core(bus, core);
+
+ bcma_info(bus, "Core %d found: %s (manuf 0x%03X, id 0x%03X, rev 0x%02X, class 0x%X)\n",
+ core->core_index, bcma_device_name(&core->id),
+ core->id.manuf, core->id.id, core->id.rev,
+ core->id.class);
+
+ list_add_tail(&core->list, &bus->cores);
+ }
+
+ err = 0;
+out:
+ if (bus->hosttype == BCMA_HOSTTYPE_SOC)
+ iounmap(eromptr);
+
+ return err;
+}
diff --git a/drivers/bcma/scan.h b/drivers/bcma/scan.h
new file mode 100644
index 0000000..e53079a
--- /dev/null
+++ b/drivers/bcma/scan.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef BCMA_SCAN_H_
+#define BCMA_SCAN_H_
+
+#define BCMA_ADDR_BASE 0x18000000
+#define BCMA_WRAP_BASE 0x18100000
+
+#define SCAN_ER_VALID 0x00000001
+#define SCAN_ER_TAGX 0x00000006 /* we have to ignore 0x8 bit when checking tag for SCAN_ER_TAG_ADDR */
+#define SCAN_ER_TAG 0x0000000E
+#define SCAN_ER_TAG_CI 0x00000000
+#define SCAN_ER_TAG_MP 0x00000002
+#define SCAN_ER_TAG_ADDR 0x00000004
+#define SCAN_ER_TAG_END 0x0000000E
+#define SCAN_ER_BAD 0xFFFFFFFF
+
+#define SCAN_CIA_CLASS 0x000000F0
+#define SCAN_CIA_CLASS_SHIFT 4
+#define SCAN_CIA_ID 0x000FFF00
+#define SCAN_CIA_ID_SHIFT 8
+#define SCAN_CIA_MANUF 0xFFF00000
+#define SCAN_CIA_MANUF_SHIFT 20
+
+#define SCAN_CIB_NMP 0x000001F0
+#define SCAN_CIB_NMP_SHIFT 4
+#define SCAN_CIB_NSP 0x00003E00
+#define SCAN_CIB_NSP_SHIFT 9
+#define SCAN_CIB_NMW 0x0007C000
+#define SCAN_CIB_NMW_SHIFT 14
+#define SCAN_CIB_NSW 0x00F80000
+#define SCAN_CIB_NSW_SHIFT 19
+#define SCAN_CIB_REV 0xFF000000
+#define SCAN_CIB_REV_SHIFT 24
+
+#define SCAN_ADDR_AG32 0x00000008
+#define SCAN_ADDR_SZ 0x00000030
+#define SCAN_ADDR_SZ_SHIFT 4
+#define SCAN_ADDR_SZ_4K 0x00000000
+#define SCAN_ADDR_SZ_8K 0x00000010
+#define SCAN_ADDR_SZ_16K 0x00000020
+#define SCAN_ADDR_SZ_SZD 0x00000030
+#define SCAN_ADDR_TYPE 0x000000C0
+#define SCAN_ADDR_TYPE_SLAVE 0x00000000
+#define SCAN_ADDR_TYPE_BRIDGE 0x00000040
+#define SCAN_ADDR_TYPE_SWRAP 0x00000080
+#define SCAN_ADDR_TYPE_MWRAP 0x000000C0
+#define SCAN_ADDR_PORT 0x00000F00
+#define SCAN_ADDR_PORT_SHIFT 8
+#define SCAN_ADDR_ADDR 0xFFFFF000
+
+#define SCAN_ADDR_SZ_BASE 0x00001000 /* 4KB */
+
+#define SCAN_SIZE_SZ_ALIGN 0x00000FFF
+#define SCAN_SIZE_SZ 0xFFFFF000
+#define SCAN_SIZE_SG32 0x00000008
+
+#endif /* BCMA_SCAN_H_ */
diff --git a/drivers/bcma/sprom.c b/drivers/bcma/sprom.c
new file mode 100644
index 0000000..206edd3
--- /dev/null
+++ b/drivers/bcma/sprom.c
@@ -0,0 +1,646 @@
+/*
+ * Broadcom specific AMBA
+ * SPROM reading
+ *
+ * Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+#include "bcma_private.h"
+
+#include <linux/bcma/bcma.h>
+#include <linux/bcma/bcma_regs.h>
+#include <linux/pci.h>
+#include <linux/io.h>
+#include <linux/dma-mapping.h>
+#include <linux/slab.h>
+
+static int(*get_fallback_sprom)(struct bcma_bus *dev, struct ssb_sprom *out);
+
+/**
+ * bcma_arch_register_fallback_sprom - Registers a method providing a
+ * fallback SPROM if no SPROM is found.
+ *
+ * @sprom_callback: The callback function.
+ *
+ * With this function the architecture implementation may register a
+ * callback handler which fills the SPROM data structure. The fallback is
+ * used for PCI based BCMA devices, where no valid SPROM can be found
+ * in the shadow registers and to provide the SPROM for SoCs where BCMA is
+ * to controll the system bus.
+ *
+ * This function is useful for weird architectures that have a half-assed
+ * BCMA device hardwired to their PCI bus.
+ *
+ * This function is available for architecture code, only. So it is not
+ * exported.
+ */
+int bcma_arch_register_fallback_sprom(int (*sprom_callback)(struct bcma_bus *bus,
+ struct ssb_sprom *out))
+{
+ if (get_fallback_sprom)
+ return -EEXIST;
+ get_fallback_sprom = sprom_callback;
+
+ return 0;
+}
+
+static int bcma_fill_sprom_with_fallback(struct bcma_bus *bus,
+ struct ssb_sprom *out)
+{
+ int err;
+
+ if (!get_fallback_sprom) {
+ err = -ENOENT;
+ goto fail;
+ }
+
+ err = get_fallback_sprom(bus, out);
+ if (err)
+ goto fail;
+
+ bcma_debug(bus, "Using SPROM revision %d provided by platform.\n",
+ bus->sprom.revision);
+ return 0;
+fail:
+ bcma_warn(bus, "Using fallback SPROM failed (err %d)\n", err);
+ return err;
+}
+
+/**************************************************
+ * R/W ops.
+ **************************************************/
+
+static void bcma_sprom_read(struct bcma_bus *bus, u16 offset, u16 *sprom,
+ size_t words)
+{
+ int i;
+ for (i = 0; i < words; i++)
+ sprom[i] = bcma_read16(bus->drv_cc.core, offset + (i * 2));
+}
+
+/**************************************************
+ * Validation.
+ **************************************************/
+
+static inline u8 bcma_crc8(u8 crc, u8 data)
+{
+ /* Polynomial: x^8 + x^7 + x^6 + x^4 + x^2 + 1 */
+ static const u8 t[] = {
+ 0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B,
+ 0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21,
+ 0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF,
+ 0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5,
+ 0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14,
+ 0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E,
+ 0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80,
+ 0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA,
+ 0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95,
+ 0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF,
+ 0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01,
+ 0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B,
+ 0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA,
+ 0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0,
+ 0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E,
+ 0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34,
+ 0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0,
+ 0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A,
+ 0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54,
+ 0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E,
+ 0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF,
+ 0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5,
+ 0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B,
+ 0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61,
+ 0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E,
+ 0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74,
+ 0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA,
+ 0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0,
+ 0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41,
+ 0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B,
+ 0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5,
+ 0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F,
+ };
+ return t[crc ^ data];
+}
+
+static u8 bcma_sprom_crc(const u16 *sprom, size_t words)
+{
+ int word;
+ u8 crc = 0xFF;
+
+ for (word = 0; word < words - 1; word++) {
+ crc = bcma_crc8(crc, sprom[word] & 0x00FF);
+ crc = bcma_crc8(crc, (sprom[word] & 0xFF00) >> 8);
+ }
+ crc = bcma_crc8(crc, sprom[words - 1] & 0x00FF);
+ crc ^= 0xFF;
+
+ return crc;
+}
+
+static int bcma_sprom_check_crc(const u16 *sprom, size_t words)
+{
+ u8 crc;
+ u8 expected_crc;
+ u16 tmp;
+
+ crc = bcma_sprom_crc(sprom, words);
+ tmp = sprom[words - 1] & SSB_SPROM_REVISION_CRC;
+ expected_crc = tmp >> SSB_SPROM_REVISION_CRC_SHIFT;
+ if (crc != expected_crc)
+ return -EPROTO;
+
+ return 0;
+}
+
+static int bcma_sprom_valid(struct bcma_bus *bus, const u16 *sprom,
+ size_t words)
+{
+ u16 revision;
+ int err;
+
+ err = bcma_sprom_check_crc(sprom, words);
+ if (err)
+ return err;
+
+ revision = sprom[words - 1] & SSB_SPROM_REVISION_REV;
+ if (revision != 8 && revision != 9 && revision != 10) {
+ pr_err("Unsupported SPROM revision: %d\n", revision);
+ return -ENOENT;
+ }
+
+ bus->sprom.revision = revision;
+ bcma_debug(bus, "Found SPROM revision %d\n", revision);
+
+ return 0;
+}
+
+/**************************************************
+ * SPROM extraction.
+ **************************************************/
+
+#define SPOFF(offset) ((offset) / sizeof(u16))
+
+#define SPEX(_field, _offset, _mask, _shift) \
+ bus->sprom._field = ((sprom[SPOFF(_offset)] & (_mask)) >> (_shift))
+
+#define SPEX32(_field, _offset, _mask, _shift) \
+ bus->sprom._field = ((((u32)sprom[SPOFF((_offset)+2)] << 16 | \
+ sprom[SPOFF(_offset)]) & (_mask)) >> (_shift))
+
+#define SPEX_ARRAY8(_field, _offset, _mask, _shift) \
+ do { \
+ SPEX(_field[0], _offset + 0, _mask, _shift); \
+ SPEX(_field[1], _offset + 2, _mask, _shift); \
+ SPEX(_field[2], _offset + 4, _mask, _shift); \
+ SPEX(_field[3], _offset + 6, _mask, _shift); \
+ SPEX(_field[4], _offset + 8, _mask, _shift); \
+ SPEX(_field[5], _offset + 10, _mask, _shift); \
+ SPEX(_field[6], _offset + 12, _mask, _shift); \
+ SPEX(_field[7], _offset + 14, _mask, _shift); \
+ } while (0)
+
+static s8 sprom_extract_antgain(const u16 *in, u16 offset, u16 mask, u16 shift)
+{
+ u16 v;
+ u8 gain;
+
+ v = in[SPOFF(offset)];
+ gain = (v & mask) >> shift;
+ if (gain == 0xFF) {
+ gain = 8; /* If unset use 2dBm */
+ } else {
+ /* Q5.2 Fractional part is stored in 0xC0 */
+ gain = ((gain & 0xC0) >> 6) | ((gain & 0x3F) << 2);
+ }
+
+ return (s8)gain;
+}
+
+static void bcma_sprom_extract_r8(struct bcma_bus *bus, const u16 *sprom)
+{
+ u16 v, o;
+ int i;
+ u16 pwr_info_offset[] = {
+ SSB_SROM8_PWR_INFO_CORE0, SSB_SROM8_PWR_INFO_CORE1,
+ SSB_SROM8_PWR_INFO_CORE2, SSB_SROM8_PWR_INFO_CORE3
+ };
+ BUILD_BUG_ON(ARRAY_SIZE(pwr_info_offset) !=
+ ARRAY_SIZE(bus->sprom.core_pwr_info));
+
+ for (i = 0; i < 3; i++) {
+ v = sprom[SPOFF(SSB_SPROM8_IL0MAC) + i];
+ *(((__be16 *)bus->sprom.il0mac) + i) = cpu_to_be16(v);
+ }
+
+ SPEX(board_rev, SSB_SPROM8_BOARDREV, ~0, 0);
+ SPEX(board_type, SSB_SPROM1_SPID, ~0, 0);
+
+ SPEX(txpid2g[0], SSB_SPROM4_TXPID2G01, SSB_SPROM4_TXPID2G0,
+ SSB_SPROM4_TXPID2G0_SHIFT);
+ SPEX(txpid2g[1], SSB_SPROM4_TXPID2G01, SSB_SPROM4_TXPID2G1,
+ SSB_SPROM4_TXPID2G1_SHIFT);
+ SPEX(txpid2g[2], SSB_SPROM4_TXPID2G23, SSB_SPROM4_TXPID2G2,
+ SSB_SPROM4_TXPID2G2_SHIFT);
+ SPEX(txpid2g[3], SSB_SPROM4_TXPID2G23, SSB_SPROM4_TXPID2G3,
+ SSB_SPROM4_TXPID2G3_SHIFT);
+
+ SPEX(txpid5gl[0], SSB_SPROM4_TXPID5GL01, SSB_SPROM4_TXPID5GL0,
+ SSB_SPROM4_TXPID5GL0_SHIFT);
+ SPEX(txpid5gl[1], SSB_SPROM4_TXPID5GL01, SSB_SPROM4_TXPID5GL1,
+ SSB_SPROM4_TXPID5GL1_SHIFT);
+ SPEX(txpid5gl[2], SSB_SPROM4_TXPID5GL23, SSB_SPROM4_TXPID5GL2,
+ SSB_SPROM4_TXPID5GL2_SHIFT);
+ SPEX(txpid5gl[3], SSB_SPROM4_TXPID5GL23, SSB_SPROM4_TXPID5GL3,
+ SSB_SPROM4_TXPID5GL3_SHIFT);
+
+ SPEX(txpid5g[0], SSB_SPROM4_TXPID5G01, SSB_SPROM4_TXPID5G0,
+ SSB_SPROM4_TXPID5G0_SHIFT);
+ SPEX(txpid5g[1], SSB_SPROM4_TXPID5G01, SSB_SPROM4_TXPID5G1,
+ SSB_SPROM4_TXPID5G1_SHIFT);
+ SPEX(txpid5g[2], SSB_SPROM4_TXPID5G23, SSB_SPROM4_TXPID5G2,
+ SSB_SPROM4_TXPID5G2_SHIFT);
+ SPEX(txpid5g[3], SSB_SPROM4_TXPID5G23, SSB_SPROM4_TXPID5G3,
+ SSB_SPROM4_TXPID5G3_SHIFT);
+
+ SPEX(txpid5gh[0], SSB_SPROM4_TXPID5GH01, SSB_SPROM4_TXPID5GH0,
+ SSB_SPROM4_TXPID5GH0_SHIFT);
+ SPEX(txpid5gh[1], SSB_SPROM4_TXPID5GH01, SSB_SPROM4_TXPID5GH1,
+ SSB_SPROM4_TXPID5GH1_SHIFT);
+ SPEX(txpid5gh[2], SSB_SPROM4_TXPID5GH23, SSB_SPROM4_TXPID5GH2,
+ SSB_SPROM4_TXPID5GH2_SHIFT);
+ SPEX(txpid5gh[3], SSB_SPROM4_TXPID5GH23, SSB_SPROM4_TXPID5GH3,
+ SSB_SPROM4_TXPID5GH3_SHIFT);
+
+ SPEX(boardflags_lo, SSB_SPROM8_BFLLO, ~0, 0);
+ SPEX(boardflags_hi, SSB_SPROM8_BFLHI, ~0, 0);
+ SPEX(boardflags2_lo, SSB_SPROM8_BFL2LO, ~0, 0);
+ SPEX(boardflags2_hi, SSB_SPROM8_BFL2HI, ~0, 0);
+
+ SPEX(alpha2[0], SSB_SPROM8_CCODE, 0xff00, 8);
+ SPEX(alpha2[1], SSB_SPROM8_CCODE, 0x00ff, 0);
+
+ /* Extract cores power info info */
+ for (i = 0; i < ARRAY_SIZE(pwr_info_offset); i++) {
+ o = pwr_info_offset[i];
+ SPEX(core_pwr_info[i].itssi_2g, o + SSB_SROM8_2G_MAXP_ITSSI,
+ SSB_SPROM8_2G_ITSSI, SSB_SPROM8_2G_ITSSI_SHIFT);
+ SPEX(core_pwr_info[i].maxpwr_2g, o + SSB_SROM8_2G_MAXP_ITSSI,
+ SSB_SPROM8_2G_MAXP, 0);
+
+ SPEX(core_pwr_info[i].pa_2g[0], o + SSB_SROM8_2G_PA_0, ~0, 0);
+ SPEX(core_pwr_info[i].pa_2g[1], o + SSB_SROM8_2G_PA_1, ~0, 0);
+ SPEX(core_pwr_info[i].pa_2g[2], o + SSB_SROM8_2G_PA_2, ~0, 0);
+
+ SPEX(core_pwr_info[i].itssi_5g, o + SSB_SROM8_5G_MAXP_ITSSI,
+ SSB_SPROM8_5G_ITSSI, SSB_SPROM8_5G_ITSSI_SHIFT);
+ SPEX(core_pwr_info[i].maxpwr_5g, o + SSB_SROM8_5G_MAXP_ITSSI,
+ SSB_SPROM8_5G_MAXP, 0);
+ SPEX(core_pwr_info[i].maxpwr_5gh, o + SSB_SPROM8_5GHL_MAXP,
+ SSB_SPROM8_5GH_MAXP, 0);
+ SPEX(core_pwr_info[i].maxpwr_5gl, o + SSB_SPROM8_5GHL_MAXP,
+ SSB_SPROM8_5GL_MAXP, SSB_SPROM8_5GL_MAXP_SHIFT);
+
+ SPEX(core_pwr_info[i].pa_5gl[0], o + SSB_SROM8_5GL_PA_0, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5gl[1], o + SSB_SROM8_5GL_PA_1, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5gl[2], o + SSB_SROM8_5GL_PA_2, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5g[0], o + SSB_SROM8_5G_PA_0, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5g[1], o + SSB_SROM8_5G_PA_1, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5g[2], o + SSB_SROM8_5G_PA_2, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5gh[0], o + SSB_SROM8_5GH_PA_0, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5gh[1], o + SSB_SROM8_5GH_PA_1, ~0, 0);
+ SPEX(core_pwr_info[i].pa_5gh[2], o + SSB_SROM8_5GH_PA_2, ~0, 0);
+ }
+
+ SPEX(fem.ghz2.tssipos, SSB_SPROM8_FEM2G, SSB_SROM8_FEM_TSSIPOS,
+ SSB_SROM8_FEM_TSSIPOS_SHIFT);
+ SPEX(fem.ghz2.extpa_gain, SSB_SPROM8_FEM2G, SSB_SROM8_FEM_EXTPA_GAIN,
+ SSB_SROM8_FEM_EXTPA_GAIN_SHIFT);
+ SPEX(fem.ghz2.pdet_range, SSB_SPROM8_FEM2G, SSB_SROM8_FEM_PDET_RANGE,
+ SSB_SROM8_FEM_PDET_RANGE_SHIFT);
+ SPEX(fem.ghz2.tr_iso, SSB_SPROM8_FEM2G, SSB_SROM8_FEM_TR_ISO,
+ SSB_SROM8_FEM_TR_ISO_SHIFT);
+ SPEX(fem.ghz2.antswlut, SSB_SPROM8_FEM2G, SSB_SROM8_FEM_ANTSWLUT,
+ SSB_SROM8_FEM_ANTSWLUT_SHIFT);
+
+ SPEX(fem.ghz5.tssipos, SSB_SPROM8_FEM5G, SSB_SROM8_FEM_TSSIPOS,
+ SSB_SROM8_FEM_TSSIPOS_SHIFT);
+ SPEX(fem.ghz5.extpa_gain, SSB_SPROM8_FEM5G, SSB_SROM8_FEM_EXTPA_GAIN,
+ SSB_SROM8_FEM_EXTPA_GAIN_SHIFT);
+ SPEX(fem.ghz5.pdet_range, SSB_SPROM8_FEM5G, SSB_SROM8_FEM_PDET_RANGE,
+ SSB_SROM8_FEM_PDET_RANGE_SHIFT);
+ SPEX(fem.ghz5.tr_iso, SSB_SPROM8_FEM5G, SSB_SROM8_FEM_TR_ISO,
+ SSB_SROM8_FEM_TR_ISO_SHIFT);
+ SPEX(fem.ghz5.antswlut, SSB_SPROM8_FEM5G, SSB_SROM8_FEM_ANTSWLUT,
+ SSB_SROM8_FEM_ANTSWLUT_SHIFT);
+
+ SPEX(ant_available_a, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_A,
+ SSB_SPROM8_ANTAVAIL_A_SHIFT);
+ SPEX(ant_available_bg, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_BG,
+ SSB_SPROM8_ANTAVAIL_BG_SHIFT);
+ SPEX(maxpwr_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_MAXP_BG_MASK, 0);
+ SPEX(itssi_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_ITSSI_BG,
+ SSB_SPROM8_ITSSI_BG_SHIFT);
+ SPEX(maxpwr_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_MAXP_A_MASK, 0);
+ SPEX(itssi_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_ITSSI_A,
+ SSB_SPROM8_ITSSI_A_SHIFT);
+ SPEX(maxpwr_ah, SSB_SPROM8_MAXP_AHL, SSB_SPROM8_MAXP_AH_MASK, 0);
+ SPEX(maxpwr_al, SSB_SPROM8_MAXP_AHL, SSB_SPROM8_MAXP_AL_MASK,
+ SSB_SPROM8_MAXP_AL_SHIFT);
+ SPEX(gpio0, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P0, 0);
+ SPEX(gpio1, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P1,
+ SSB_SPROM8_GPIOA_P1_SHIFT);
+ SPEX(gpio2, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P2, 0);
+ SPEX(gpio3, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P3,
+ SSB_SPROM8_GPIOB_P3_SHIFT);
+ SPEX(tri2g, SSB_SPROM8_TRI25G, SSB_SPROM8_TRI2G, 0);
+ SPEX(tri5g, SSB_SPROM8_TRI25G, SSB_SPROM8_TRI5G,
+ SSB_SPROM8_TRI5G_SHIFT);
+ SPEX(tri5gl, SSB_SPROM8_TRI5GHL, SSB_SPROM8_TRI5GL, 0);
+ SPEX(tri5gh, SSB_SPROM8_TRI5GHL, SSB_SPROM8_TRI5GH,
+ SSB_SPROM8_TRI5GH_SHIFT);
+ SPEX(rxpo2g, SSB_SPROM8_RXPO, SSB_SPROM8_RXPO2G,
+ SSB_SPROM8_RXPO2G_SHIFT);
+ SPEX(rxpo5g, SSB_SPROM8_RXPO, SSB_SPROM8_RXPO5G,
+ SSB_SPROM8_RXPO5G_SHIFT);
+ SPEX(rssismf2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISMF2G, 0);
+ SPEX(rssismc2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISMC2G,
+ SSB_SPROM8_RSSISMC2G_SHIFT);
+ SPEX(rssisav2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_RSSISAV2G,
+ SSB_SPROM8_RSSISAV2G_SHIFT);
+ SPEX(bxa2g, SSB_SPROM8_RSSIPARM2G, SSB_SPROM8_BXA2G,
+ SSB_SPROM8_BXA2G_SHIFT);
+ SPEX(rssismf5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISMF5G, 0);
+ SPEX(rssismc5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISMC5G,
+ SSB_SPROM8_RSSISMC5G_SHIFT);
+ SPEX(rssisav5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_RSSISAV5G,
+ SSB_SPROM8_RSSISAV5G_SHIFT);
+ SPEX(bxa5g, SSB_SPROM8_RSSIPARM5G, SSB_SPROM8_BXA5G,
+ SSB_SPROM8_BXA5G_SHIFT);
+
+ SPEX(pa0b0, SSB_SPROM8_PA0B0, ~0, 0);
+ SPEX(pa0b1, SSB_SPROM8_PA0B1, ~0, 0);
+ SPEX(pa0b2, SSB_SPROM8_PA0B2, ~0, 0);
+ SPEX(pa1b0, SSB_SPROM8_PA1B0, ~0, 0);
+ SPEX(pa1b1, SSB_SPROM8_PA1B1, ~0, 0);
+ SPEX(pa1b2, SSB_SPROM8_PA1B2, ~0, 0);
+ SPEX(pa1lob0, SSB_SPROM8_PA1LOB0, ~0, 0);
+ SPEX(pa1lob1, SSB_SPROM8_PA1LOB1, ~0, 0);
+ SPEX(pa1lob2, SSB_SPROM8_PA1LOB2, ~0, 0);
+ SPEX(pa1hib0, SSB_SPROM8_PA1HIB0, ~0, 0);
+ SPEX(pa1hib1, SSB_SPROM8_PA1HIB1, ~0, 0);
+ SPEX(pa1hib2, SSB_SPROM8_PA1HIB2, ~0, 0);
+ SPEX(cck2gpo, SSB_SPROM8_CCK2GPO, ~0, 0);
+ SPEX32(ofdm2gpo, SSB_SPROM8_OFDM2GPO, ~0, 0);
+ SPEX32(ofdm5glpo, SSB_SPROM8_OFDM5GLPO, ~0, 0);
+ SPEX32(ofdm5gpo, SSB_SPROM8_OFDM5GPO, ~0, 0);
+ SPEX32(ofdm5ghpo, SSB_SPROM8_OFDM5GHPO, ~0, 0);
+
+ /* Extract the antenna gain values. */
+ bus->sprom.antenna_gain.a0 = sprom_extract_antgain(sprom,
+ SSB_SPROM8_AGAIN01,
+ SSB_SPROM8_AGAIN0,
+ SSB_SPROM8_AGAIN0_SHIFT);
+ bus->sprom.antenna_gain.a1 = sprom_extract_antgain(sprom,
+ SSB_SPROM8_AGAIN01,
+ SSB_SPROM8_AGAIN1,
+ SSB_SPROM8_AGAIN1_SHIFT);
+ bus->sprom.antenna_gain.a2 = sprom_extract_antgain(sprom,
+ SSB_SPROM8_AGAIN23,
+ SSB_SPROM8_AGAIN2,
+ SSB_SPROM8_AGAIN2_SHIFT);
+ bus->sprom.antenna_gain.a3 = sprom_extract_antgain(sprom,
+ SSB_SPROM8_AGAIN23,
+ SSB_SPROM8_AGAIN3,
+ SSB_SPROM8_AGAIN3_SHIFT);
+
+ SPEX(leddc_on_time, SSB_SPROM8_LEDDC, SSB_SPROM8_LEDDC_ON,
+ SSB_SPROM8_LEDDC_ON_SHIFT);
+ SPEX(leddc_off_time, SSB_SPROM8_LEDDC, SSB_SPROM8_LEDDC_OFF,
+ SSB_SPROM8_LEDDC_OFF_SHIFT);
+
+ SPEX(txchain, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_TXCHAIN,
+ SSB_SPROM8_TXRXC_TXCHAIN_SHIFT);
+ SPEX(rxchain, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_RXCHAIN,
+ SSB_SPROM8_TXRXC_RXCHAIN_SHIFT);
+ SPEX(antswitch, SSB_SPROM8_TXRXC, SSB_SPROM8_TXRXC_SWITCH,
+ SSB_SPROM8_TXRXC_SWITCH_SHIFT);
+
+ SPEX(opo, SSB_SPROM8_OFDM2GPO, 0x00ff, 0);
+
+ SPEX_ARRAY8(mcs2gpo, SSB_SPROM8_2G_MCSPO, ~0, 0);
+ SPEX_ARRAY8(mcs5gpo, SSB_SPROM8_5G_MCSPO, ~0, 0);
+ SPEX_ARRAY8(mcs5glpo, SSB_SPROM8_5GL_MCSPO, ~0, 0);
+ SPEX_ARRAY8(mcs5ghpo, SSB_SPROM8_5GH_MCSPO, ~0, 0);
+
+ SPEX(rawtempsense, SSB_SPROM8_RAWTS, SSB_SPROM8_RAWTS_RAWTEMP,
+ SSB_SPROM8_RAWTS_RAWTEMP_SHIFT);
+ SPEX(measpower, SSB_SPROM8_RAWTS, SSB_SPROM8_RAWTS_MEASPOWER,
+ SSB_SPROM8_RAWTS_MEASPOWER_SHIFT);
+ SPEX(tempsense_slope, SSB_SPROM8_OPT_CORRX,
+ SSB_SPROM8_OPT_CORRX_TEMP_SLOPE,
+ SSB_SPROM8_OPT_CORRX_TEMP_SLOPE_SHIFT);
+ SPEX(tempcorrx, SSB_SPROM8_OPT_CORRX, SSB_SPROM8_OPT_CORRX_TEMPCORRX,
+ SSB_SPROM8_OPT_CORRX_TEMPCORRX_SHIFT);
+ SPEX(tempsense_option, SSB_SPROM8_OPT_CORRX,
+ SSB_SPROM8_OPT_CORRX_TEMP_OPTION,
+ SSB_SPROM8_OPT_CORRX_TEMP_OPTION_SHIFT);
+ SPEX(freqoffset_corr, SSB_SPROM8_HWIQ_IQSWP,
+ SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR,
+ SSB_SPROM8_HWIQ_IQSWP_FREQ_CORR_SHIFT);
+ SPEX(iqcal_swp_dis, SSB_SPROM8_HWIQ_IQSWP,
+ SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP,
+ SSB_SPROM8_HWIQ_IQSWP_IQCAL_SWP_SHIFT);
+ SPEX(hw_iqcal_en, SSB_SPROM8_HWIQ_IQSWP, SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL,
+ SSB_SPROM8_HWIQ_IQSWP_HW_IQCAL_SHIFT);
+
+ SPEX(bw40po, SSB_SPROM8_BW40PO, ~0, 0);
+ SPEX(cddpo, SSB_SPROM8_CDDPO, ~0, 0);
+ SPEX(stbcpo, SSB_SPROM8_STBCPO, ~0, 0);
+ SPEX(bwduppo, SSB_SPROM8_BWDUPPO, ~0, 0);
+
+ SPEX(tempthresh, SSB_SPROM8_THERMAL, SSB_SPROM8_THERMAL_TRESH,
+ SSB_SPROM8_THERMAL_TRESH_SHIFT);
+ SPEX(tempoffset, SSB_SPROM8_THERMAL, SSB_SPROM8_THERMAL_OFFSET,
+ SSB_SPROM8_THERMAL_OFFSET_SHIFT);
+ SPEX(phycal_tempdelta, SSB_SPROM8_TEMPDELTA,
+ SSB_SPROM8_TEMPDELTA_PHYCAL,
+ SSB_SPROM8_TEMPDELTA_PHYCAL_SHIFT);
+ SPEX(temps_period, SSB_SPROM8_TEMPDELTA, SSB_SPROM8_TEMPDELTA_PERIOD,
+ SSB_SPROM8_TEMPDELTA_PERIOD_SHIFT);
+ SPEX(temps_hysteresis, SSB_SPROM8_TEMPDELTA,
+ SSB_SPROM8_TEMPDELTA_HYSTERESIS,
+ SSB_SPROM8_TEMPDELTA_HYSTERESIS_SHIFT);
+}
+
+/*
+ * Indicates the presence of external SPROM.
+ */
+static bool bcma_sprom_ext_available(struct bcma_bus *bus)
+{
+ u32 chip_status;
+ u32 srom_control;
+ u32 present_mask;
+
+ if (bus->drv_cc.core->id.rev >= 31) {
+ if (!(bus->drv_cc.capabilities & BCMA_CC_CAP_SPROM))
+ return false;
+
+ srom_control = bcma_read32(bus->drv_cc.core,
+ BCMA_CC_SROM_CONTROL);
+ return srom_control & BCMA_CC_SROM_CONTROL_PRESENT;
+ }
+
+ /* older chipcommon revisions use chip status register */
+ chip_status = bcma_read32(bus->drv_cc.core, BCMA_CC_CHIPSTAT);
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM4313:
+ present_mask = BCMA_CC_CHIPST_4313_SPROM_PRESENT;
+ break;
+
+ case BCMA_CHIP_ID_BCM4331:
+ present_mask = BCMA_CC_CHIPST_4331_SPROM_PRESENT;
+ break;
+
+ default:
+ return true;
+ }
+
+ return chip_status & present_mask;
+}
+
+/*
+ * Indicates that on-chip OTP memory is present and enabled.
+ */
+static bool bcma_sprom_onchip_available(struct bcma_bus *bus)
+{
+ u32 chip_status;
+ u32 otpsize = 0;
+ bool present;
+
+ chip_status = bcma_read32(bus->drv_cc.core, BCMA_CC_CHIPSTAT);
+ switch (bus->chipinfo.id) {
+ case BCMA_CHIP_ID_BCM4313:
+ present = chip_status & BCMA_CC_CHIPST_4313_OTP_PRESENT;
+ break;
+
+ case BCMA_CHIP_ID_BCM4331:
+ present = chip_status & BCMA_CC_CHIPST_4331_OTP_PRESENT;
+ break;
+ case BCMA_CHIP_ID_BCM43142:
+ case BCMA_CHIP_ID_BCM43224:
+ case BCMA_CHIP_ID_BCM43225:
+ /* for these chips OTP is always available */
+ present = true;
+ break;
+ case BCMA_CHIP_ID_BCM43131:
+ case BCMA_CHIP_ID_BCM43217:
+ case BCMA_CHIP_ID_BCM43227:
+ case BCMA_CHIP_ID_BCM43228:
+ case BCMA_CHIP_ID_BCM43428:
+ present = chip_status & BCMA_CC_CHIPST_43228_OTP_PRESENT;
+ break;
+ default:
+ present = false;
+ break;
+ }
+
+ if (present) {
+ otpsize = bus->drv_cc.capabilities & BCMA_CC_CAP_OTPS;
+ otpsize >>= BCMA_CC_CAP_OTPS_SHIFT;
+ }
+
+ return otpsize != 0;
+}
+
+/*
+ * Verify OTP is filled and determine the byte
+ * offset where SPROM data is located.
+ *
+ * On error, returns 0; byte offset otherwise.
+ */
+static int bcma_sprom_onchip_offset(struct bcma_bus *bus)
+{
+ struct bcma_device *cc = bus->drv_cc.core;
+ u32 offset;
+
+ /* verify OTP status */
+ if ((bcma_read32(cc, BCMA_CC_OTPS) & BCMA_CC_OTPS_GU_PROG_HW) == 0)
+ return 0;
+
+ /* obtain bit offset from otplayout register */
+ offset = (bcma_read32(cc, BCMA_CC_OTPL) & BCMA_CC_OTPL_GURGN_OFFSET);
+ return BCMA_CC_SPROM + (offset >> 3);
+}
+
+int bcma_sprom_get(struct bcma_bus *bus)
+{
+ u16 offset = BCMA_CC_SPROM;
+ u16 *sprom;
+ size_t sprom_sizes[] = { SSB_SPROMSIZE_WORDS_R4,
+ SSB_SPROMSIZE_WORDS_R10,
+ SSB_SPROMSIZE_WORDS_R11, };
+ int i, err = 0;
+
+ if (!bus->drv_cc.core)
+ return -EOPNOTSUPP;
+
+ if (!bcma_sprom_ext_available(bus)) {
+ bool sprom_onchip;
+
+ /*
+ * External SPROM takes precedence so check
+ * on-chip OTP only when no external SPROM
+ * is present.
+ */
+ sprom_onchip = bcma_sprom_onchip_available(bus);
+ if (sprom_onchip) {
+ /* determine offset */
+ offset = bcma_sprom_onchip_offset(bus);
+ }
+ if (!offset || !sprom_onchip) {
+ /*
+ * Maybe there is no SPROM on the device?
+ * Now we ask the arch code if there is some sprom
+ * available for this device in some other storage.
+ */
+ err = bcma_fill_sprom_with_fallback(bus, &bus->sprom);
+ return err;
+ }
+ }
+
+ if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4331 ||
+ bus->chipinfo.id == BCMA_CHIP_ID_BCM43431)
+ bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, false);
+
+ bcma_debug(bus, "SPROM offset 0x%x\n", offset);
+ for (i = 0; i < ARRAY_SIZE(sprom_sizes); i++) {
+ size_t words = sprom_sizes[i];
+
+ sprom = kcalloc(words, sizeof(u16), GFP_KERNEL);
+ if (!sprom)
+ return -ENOMEM;
+
+ bcma_sprom_read(bus, offset, sprom, words);
+ err = bcma_sprom_valid(bus, sprom, words);
+ if (!err)
+ break;
+
+ kfree(sprom);
+ }
+
+ if (bus->chipinfo.id == BCMA_CHIP_ID_BCM4331 ||
+ bus->chipinfo.id == BCMA_CHIP_ID_BCM43431)
+ bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, true);
+
+ if (err) {
+ bcma_warn(bus, "Invalid SPROM read from the PCIe card, trying to use fallback SPROM\n");
+ err = bcma_fill_sprom_with_fallback(bus, &bus->sprom);
+ } else {
+ bcma_sprom_extract_r8(bus, sprom);
+ kfree(sprom);
+ }
+
+ return err;
+}
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-27 08:18:30 +0000