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authorMax Filippov <jcmvbkbc@gmail.com>2016-08-07 08:53:00 +0300
committerTom Rini <trini@konsulko.com>2016-08-12 09:22:17 -0400
commitb25732c22beccb5a2ce3ec4174ea084ba0e176ab (patch)
tree914152963986e5b9295b89ac63cef90cf0ec6255 /drivers/misc
parentda91cfed54ec44d88f93af2adfbdeada8ab4403e (diff)
drivers/sysreset: group sysreset drivers
Create drivers/sysreset and move sysreset-uclass and all sysreset drivers there. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/Kconfig9
-rw-r--r--drivers/misc/Makefile2
-rw-r--r--drivers/misc/sysreset-uclass.c81
-rw-r--r--drivers/misc/sysreset_sandbox.c101
4 files changed, 0 insertions, 193 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index b84e351da7..80c15581b9 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -121,15 +121,6 @@ config PCA9551_I2C_ADDR
help
The I2C address of the PCA9551 LED controller.
-config SYSRESET
- bool "Enable support for system reset drivers"
- depends on DM
- help
- Enable system reset drivers which can be used to reset the CPU or
- board. Each driver can provide a reset method which will be called
- to effect a reset. The uclass will try all available drivers when
- reset_walk() is called.
-
config WINBOND_W83627
bool "Enable Winbond Super I/O driver"
help
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index fff6f0cdf9..af541c6784 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -27,7 +27,6 @@ obj-$(CONFIG_MXS_OCOTP) += mxs_ocotp.o
obj-$(CONFIG_NS87308) += ns87308.o
obj-$(CONFIG_PDSP188x) += pdsp188x.o
obj-$(CONFIG_$(SPL_)PWRSEQ) += pwrseq-uclass.o
-obj-$(CONFIG_SANDBOX) += sysreset_sandbox.o
ifdef CONFIG_DM_I2C
ifndef CONFIG_SPL_BUILD
obj-$(CONFIG_SANDBOX) += i2c_eeprom_emul.o
@@ -47,7 +46,6 @@ obj-$(CONFIG_TWL4030_LED) += twl4030_led.o
obj-$(CONFIG_FSL_IFC) += fsl_ifc.o
obj-$(CONFIG_FSL_SEC_MON) += fsl_sec_mon.o
obj-$(CONFIG_PCA9551_LED) += pca9551_led.o
-obj-$(CONFIG_SYSRESET) += sysreset-uclass.o
obj-$(CONFIG_FSL_DEVICE_DISABLE) += fsl_devdis.o
obj-$(CONFIG_WINBOND_W83627) += winbond_w83627.o
obj-$(CONFIG_QFW) += qfw.o
diff --git a/drivers/misc/sysreset-uclass.c b/drivers/misc/sysreset-uclass.c
deleted file mode 100644
index 3566d17fb1..0000000000
--- a/drivers/misc/sysreset-uclass.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright (C) 2015 Google, Inc
- * Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <sysreset.h>
-#include <dm.h>
-#include <errno.h>
-#include <regmap.h>
-#include <dm/device-internal.h>
-#include <dm/lists.h>
-#include <dm/root.h>
-#include <linux/err.h>
-
-int sysreset_request(struct udevice *dev, enum sysreset_t type)
-{
- struct sysreset_ops *ops = sysreset_get_ops(dev);
-
- if (!ops->request)
- return -ENOSYS;
-
- return ops->request(dev, type);
-}
-
-int sysreset_walk(enum sysreset_t type)
-{
- struct udevice *dev;
- int ret = -ENOSYS;
-
- while (ret != -EINPROGRESS && type < SYSRESET_COUNT) {
- for (uclass_first_device(UCLASS_SYSRESET, &dev);
- dev;
- uclass_next_device(&dev)) {
- ret = sysreset_request(dev, type);
- if (ret == -EINPROGRESS)
- break;
- }
- type++;
- }
-
- return ret;
-}
-
-void sysreset_walk_halt(enum sysreset_t type)
-{
- int ret;
-
- ret = sysreset_walk(type);
-
- /* Wait for the reset to take effect */
- if (ret == -EINPROGRESS)
- mdelay(100);
-
- /* Still no reset? Give up */
- debug("System reset not supported on this platform\n");
- hang();
-}
-
-/**
- * reset_cpu() - calls sysreset_walk(SYSRESET_WARM)
- */
-void reset_cpu(ulong addr)
-{
- sysreset_walk_halt(SYSRESET_WARM);
-}
-
-
-int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
- sysreset_walk_halt(SYSRESET_WARM);
-
- return 0;
-}
-
-UCLASS_DRIVER(sysreset) = {
- .id = UCLASS_SYSRESET,
- .name = "sysreset",
-};
diff --git a/drivers/misc/sysreset_sandbox.c b/drivers/misc/sysreset_sandbox.c
deleted file mode 100644
index 7ae7f386ee..0000000000
--- a/drivers/misc/sysreset_sandbox.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Copyright (c) 2015 Google, Inc
- * Written by Simon Glass <sjg@chromium.org>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <dm.h>
-#include <errno.h>
-#include <sysreset.h>
-#include <asm/state.h>
-#include <asm/test.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-static int sandbox_warm_sysreset_request(struct udevice *dev,
- enum sysreset_t type)
-{
- struct sandbox_state *state = state_get_current();
-
- switch (type) {
- case SYSRESET_WARM:
- state->last_sysreset = type;
- break;
- default:
- return -ENOSYS;
- }
- if (!state->sysreset_allowed[type])
- return -EACCES;
-
- return -EINPROGRESS;
-}
-
-static int sandbox_sysreset_request(struct udevice *dev, enum sysreset_t type)
-{
- struct sandbox_state *state = state_get_current();
-
- /*
- * If we have a device tree, the device we created from platform data
- * (see the U_BOOT_DEVICE() declaration below) should not do anything.
- * If we are that device, return an error.
- */
- if (state->fdt_fname && dev->of_offset == -1)
- return -ENODEV;
-
- switch (type) {
- case SYSRESET_COLD:
- state->last_sysreset = type;
- break;
- case SYSRESET_POWER:
- state->last_sysreset = type;
- if (!state->sysreset_allowed[type])
- return -EACCES;
- sandbox_exit();
- break;
- default:
- return -ENOSYS;
- }
- if (!state->sysreset_allowed[type])
- return -EACCES;
-
- return -EINPROGRESS;
-}
-
-static struct sysreset_ops sandbox_sysreset_ops = {
- .request = sandbox_sysreset_request,
-};
-
-static const struct udevice_id sandbox_sysreset_ids[] = {
- { .compatible = "sandbox,reset" },
- { }
-};
-
-U_BOOT_DRIVER(sysreset_sandbox) = {
- .name = "sysreset_sandbox",
- .id = UCLASS_SYSRESET,
- .of_match = sandbox_sysreset_ids,
- .ops = &sandbox_sysreset_ops,
-};
-
-static struct sysreset_ops sandbox_warm_sysreset_ops = {
- .request = sandbox_warm_sysreset_request,
-};
-
-static const struct udevice_id sandbox_warm_sysreset_ids[] = {
- { .compatible = "sandbox,warm-reset" },
- { }
-};
-
-U_BOOT_DRIVER(warm_sysreset_sandbox) = {
- .name = "warm_sysreset_sandbox",
- .id = UCLASS_SYSRESET,
- .of_match = sandbox_warm_sysreset_ids,
- .ops = &sandbox_warm_sysreset_ops,
-};
-
-/* This is here in case we don't have a device tree */
-U_BOOT_DEVICE(sysreset_sandbox_non_fdt) = {
- .name = "sysreset_sandbox",
-};