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authorTom Rini <trini@konsulko.com>2019-05-26 20:18:20 -0400
committerTom Rini <trini@konsulko.com>2019-05-26 20:18:20 -0400
commitc18b103657d9541305a45a1fb21f979c317fba49 (patch)
tree3d7e8425a499e3df0c90c34e3e5b60660cfca3d7
parent696f02d99b41190786b17ad28316a0cd45792c2c (diff)
parentb5900a58caf0416355ccab4dc9da55c9a388a953 (diff)
Merge branch 'master' of git://git.denx.de/u-boot-sh
- Gen3 PCIe driver + enablement on Salvator-X platforms. - Gen3 recovery SPL used to reload ATF/OpTee/U-Boot instead of minimon. - SDHI HS400 fixes ported from latest BSP and datasheet.
-rw-r--r--Kconfig1
-rw-r--r--Makefile3
-rw-r--r--arch/arm/mach-rmobile/Kconfig11
-rw-r--r--arch/arm/mach-rmobile/Makefile73
-rw-r--r--board/renesas/draak/Makefile6
-rw-r--r--board/renesas/draak/draak.c15
-rw-r--r--board/renesas/eagle/Makefile6
-rw-r--r--board/renesas/eagle/eagle.c15
-rw-r--r--board/renesas/ebisu/Makefile6
-rw-r--r--board/renesas/ebisu/ebisu.c35
-rw-r--r--board/renesas/rcar-common/common.c38
-rw-r--r--board/renesas/rcar-common/gen3-spl.c55
-rw-r--r--board/renesas/salvator-x/Makefile6
-rw-r--r--board/renesas/salvator-x/salvator-x.c35
-rw-r--r--board/renesas/ulcb/Makefile6
-rw-r--r--board/renesas/ulcb/ulcb.c35
-rw-r--r--configs/r8a7795_salvator-x_defconfig5
-rw-r--r--configs/r8a7795_ulcb_defconfig1
-rw-r--r--configs/r8a77965_salvator-x_defconfig5
-rw-r--r--configs/r8a77965_ulcb_defconfig1
-rw-r--r--configs/r8a7796_salvator-x_defconfig5
-rw-r--r--configs/r8a7796_ulcb_defconfig1
-rw-r--r--configs/r8a77970_eagle_defconfig1
-rw-r--r--configs/r8a77990_ebisu_defconfig1
-rw-r--r--configs/r8a77995_draak_defconfig1
-rw-r--r--drivers/mmc/renesas-sdhi.c185
-rw-r--r--drivers/mmc/tmio-common.h4
-rw-r--r--drivers/pci/Kconfig8
-rw-r--r--drivers/pci/Makefile1
-rw-r--r--drivers/pci/pci-rcar-gen3.c411
-rw-r--r--include/configs/rcar-gen3-common.h19
31 files changed, 842 insertions, 153 deletions
diff --git a/Kconfig b/Kconfig
index fcde0c35e2..301ebf8de3 100644
--- a/Kconfig
+++ b/Kconfig
@@ -155,6 +155,7 @@ config SYS_MALLOC_LEN
config SPL_SYS_MALLOC_F_LEN
hex "Size of malloc() pool in SPL before relocation"
depends on SYS_MALLOC_F
+ default 0x2800 if RCAR_GEN3
default SYS_MALLOC_F_LEN
help
Before relocation, memory is very limited on many platforms. Still,
diff --git a/Makefile b/Makefile
index 059978bfe6..4ebc288fbf 100644
--- a/Makefile
+++ b/Makefile
@@ -1117,6 +1117,9 @@ OBJCOPYFLAGS_u-boot-spl.srec = $(OBJCOPYFLAGS_u-boot.srec)
spl/u-boot-spl.srec: spl/u-boot-spl FORCE
$(call if_changed,objcopy)
+%.scif: %.srec
+ $(Q)$(MAKE) $(build)=arch/arm/mach-rmobile $@
+
OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \
$(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec) \
$(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR),-R .bootpg -R .resetvec)
diff --git a/arch/arm/mach-rmobile/Kconfig b/arch/arm/mach-rmobile/Kconfig
index a74f16d348..aafeb355ef 100644
--- a/arch/arm/mach-rmobile/Kconfig
+++ b/arch/arm/mach-rmobile/Kconfig
@@ -16,11 +16,22 @@ config RCAR_GEN3
select PINCTRL
select PINCONF
select PINCTRL_PFC
+ select SUPPORT_SPL
imply CMD_FS_UUID
imply CMD_GPT
imply CMD_UUID
imply CMD_MMC_SWRITE if MMC
imply SUPPORT_EMMC_RPMB if MMC
+ imply SPL
+ imply SPL_BOARD_INIT
+ imply SPL_GZIP
+ imply SPL_LIBCOMMON_SUPPORT
+ imply SPL_LIBGENERIC_SUPPORT
+ imply SPL_SERIAL_SUPPORT
+ imply SPL_SYS_MALLOC_SIMPLE
+ imply SPL_TINY_MEMSET
+ imply SPL_YMODEM_SUPPORT
+ imply USE_TINY_PRINTF
config RZA1
prompt "Renesas ARM SoCs RZ/A1 (32bit)"
diff --git a/arch/arm/mach-rmobile/Makefile b/arch/arm/mach-rmobile/Makefile
index 1f26adaca9..a3fdcc3bc0 100644
--- a/arch/arm/mach-rmobile/Makefile
+++ b/arch/arm/mach-rmobile/Makefile
@@ -13,3 +13,76 @@ obj-$(CONFIG_SH73A0) += lowlevel_init.o cpu_info-sh73a0.o pfc-sh73a0.o
obj-$(CONFIG_R8A7740) += lowlevel_init.o cpu_info-r8a7740.o pfc-r8a7740.o
obj-$(CONFIG_RCAR_GEN2) += lowlevel_init_ca15.o cpu_info-rcar.o
obj-$(CONFIG_RCAR_GEN3) += lowlevel_init_gen3.o cpu_info-rcar.o memmap-gen3.o
+
+OBJCOPYFLAGS_u-boot-spl.srec := -O srec
+quiet_cmd_objcopy = OBJCOPY $@
+cmd_objcopy = $(OBJCOPY) --gap-fill=0x00 $(OBJCOPYFLAGS) \
+ $(OBJCOPYFLAGS_$(@F)) $< $@
+
+spl/u-boot-spl.srec: spl/u-boot-spl FORCE
+ $(call if_changed,objcopy)
+
+ifneq ($(CONFIG_R8A77990)$(CONFIG_R8A77995),)
+#
+# The first 6 generate statements generate the R-Car Gen3 SCIF loader header.
+# The subsequent generate statements represent the following chunk of assembler
+# code, which copies the loaded data from 0xe6304030 to 0xe6318000. This is to
+# work around a limitation of the D3/E3 BootROM, which does not permit loading
+# to 0xe6318000 directly.
+#
+# mov x0, #0xe6000000
+# orr x0, x0, #0x00300000
+# orr x1, x0, #0x00004000
+# orr x1, x1, #0x00000030
+#
+# orr x2, x0, #0x00018000
+# mov x0, x2
+# mov x3, #0x7000
+#1: ldp x4, x5, [x1], #16
+#
+# stp x4, x5, [x2], #16
+# subs x3, x3, #16
+# b.ge 1b
+# br x0
+#
+quiet_cmd_srec_cat = SRECCAT $@
+ cmd_srec_cat = srec_cat -output $@ -M 8 $< -M 8 \
+ -offset -0x13fd0 \
+ -Output_Block_Size 16 \
+ -generate 0xe6300400 0xe6300404 -l-e-constant 0x0 4 \
+ -generate 0xe630048c 0xe6300490 -l-e-constant 0x0 4 \
+ -generate 0xe63005d4 0xe63005d8 -l-e-constant 0xe6304000 4 \
+ -generate 0xe63006e4 0xe63006e8 -l-e-constant $2 4 \
+ -generate 0xe6301154 0xe6301158 -l-e-constant 0xe6304000 4 \
+ -generate 0xe6301264 0xe6301268 -l-e-constant $2 4 \
+ -generate 0xe6304000 0xe6304004 -l-e-constant 0xd2bcc000 4 \
+ -generate 0xe6304004 0xe6304008 -l-e-constant 0xb26c0400 4 \
+ -generate 0xe6304008 0xe630400c -l-e-constant 0xb2720001 4 \
+ -generate 0xe630400c 0xe6304010 -l-e-constant 0xb27c0421 4 \
+ -generate 0xe6304010 0xe6304014 -l-e-constant 0xb2710402 4 \
+ -generate 0xe6304014 0xe6304018 -l-e-constant 0xaa0203e0 4 \
+ -generate 0xe6304018 0xe630401c -l-e-constant 0xd28e0003 4 \
+ -generate 0xe630401c 0xe6304020 -l-e-constant 0xa8c11424 4 \
+ -generate 0xe6304020 0xe6304024 -l-e-constant 0xa8811444 4 \
+ -generate 0xe6304024 0xe6304028 -l-e-constant 0xf1004063 4 \
+ -generate 0xe6304028 0xe630402c -l-e-constant 0x54ffffaa 4 \
+ -generate 0xe630402c 0xe6304030 -l-e-constant 0xd61f0000 4
+else
+quiet_cmd_srec_cat = SRECCAT $@
+ cmd_srec_cat = srec_cat -output $@ -M 8 $< -M 8 \
+ -Output_Block_Size 16 \
+ -generate 0xe6300400 0xe6300404 -l-e-constant 0x0 4 \
+ -generate 0xe630048c 0xe6300490 -l-e-constant 0x0 4 \
+ -generate 0xe63005d4 0xe63005d8 -l-e-constant $(CONFIG_SPL_TEXT_BASE) 4 \
+ -generate 0xe63006e4 0xe63006e8 -l-e-constant $2 4 \
+ -generate 0xe6301154 0xe6301158 -l-e-constant $(CONFIG_SPL_TEXT_BASE) 4 \
+ -generate 0xe6301264 0xe6301268 -l-e-constant $2 4
+endif
+
+spl/u-boot-spl.scif: spl/u-boot-spl.srec spl/u-boot-spl.bin
+ $(call cmd,srec_cat,$(shell wc -c spl/u-boot-spl.bin | awk '{printf("0x%08x\n",$$1)}'))
+
+# if srec_cat is present build u-boot-spl.scif by default
+has_srec_cat = $(call try-run,srec_cat -VERSion,y,n)
+ALL-$(has_srec_cat) += u-boot-spl.scif
+CLEAN_FILES += u-boot-spl.scif
diff --git a/board/renesas/draak/Makefile b/board/renesas/draak/Makefile
index 604522ebb1..1fc90d1dab 100644
--- a/board/renesas/draak/Makefile
+++ b/board/renesas/draak/Makefile
@@ -6,4 +6,8 @@
# SPDX-License-Identifier: GPL-2.0+
#
-obj-y := draak.o
+ifdef CONFIG_SPL_BUILD
+obj-y := ../rcar-common/gen3-spl.o
+else
+obj-y := draak.o ../rcar-common/common.o
+endif
diff --git a/board/renesas/draak/draak.c b/board/renesas/draak/draak.c
index 8f3d3915f7..46d9f74785 100644
--- a/board/renesas/draak/draak.c
+++ b/board/renesas/draak/draak.c
@@ -70,21 +70,6 @@ int board_init(void)
return 0;
}
-int dram_init(void)
-{
- if (fdtdec_setup_mem_size_base() != 0)
- return -EINVAL;
-
- return 0;
-}
-
-int dram_init_banksize(void)
-{
- fdtdec_setup_memory_banksize();
-
- return 0;
-}
-
#define RST_BASE 0xE6160000
#define RST_CA57RESCNT (RST_BASE + 0x40)
#define RST_CA53RESCNT (RST_BASE + 0x44)
diff --git a/board/renesas/eagle/Makefile b/board/renesas/eagle/Makefile
index dffa295404..062c46ba24 100644
--- a/board/renesas/eagle/Makefile
+++ b/board/renesas/eagle/Makefile
@@ -6,4 +6,8 @@
# SPDX-License-Identifier: GPL-2.0+
#
-obj-y := eagle.o
+ifdef CONFIG_SPL_BUILD
+obj-y := ../rcar-common/gen3-spl.o
+else
+obj-y := eagle.o ../rcar-common/common.o
+endif
diff --git a/board/renesas/eagle/eagle.c b/board/renesas/eagle/eagle.c
index 0e5efea19d..d6240b19ef 100644
--- a/board/renesas/eagle/eagle.c
+++ b/board/renesas/eagle/eagle.c
@@ -67,21 +67,6 @@ int board_init(void)
return 0;
}
-int dram_init(void)
-{
- if (fdtdec_setup_mem_size_base() != 0)
- return -EINVAL;
-
- return 0;
-}
-
-int dram_init_banksize(void)
-{
- fdtdec_setup_memory_banksize();
-
- return 0;
-}
-
#define RST_BASE 0xE6160000
#define RST_CA57RESCNT (RST_BASE + 0x40)
#define RST_CA53RESCNT (RST_BASE + 0x44)
diff --git a/board/renesas/ebisu/Makefile b/board/renesas/ebisu/Makefile
index 2741035c57..1fd9a03ecc 100644
--- a/board/renesas/ebisu/Makefile
+++ b/board/renesas/ebisu/Makefile
@@ -6,4 +6,8 @@
# SPDX-License-Identifier: GPL-2.0+
#
-obj-y := ebisu.o
+ifdef CONFIG_SPL_BUILD
+obj-y := ../rcar-common/gen3-spl.o
+else
+obj-y := ebisu.o ../rcar-common/common.o
+endif
diff --git a/board/renesas/ebisu/ebisu.c b/board/renesas/ebisu/ebisu.c
index 60429e4529..cb7d432a15 100644
--- a/board/renesas/ebisu/ebisu.c
+++ b/board/renesas/ebisu/ebisu.c
@@ -43,41 +43,6 @@ int board_init(void)
return 0;
}
-/*
- * If the firmware passed a device tree use it for U-Boot DRAM setup.
- */
-extern u64 rcar_atf_boot_args[];
-
-int dram_init(void)
-{
- const void *atf_fdt_blob = (const void *)(rcar_atf_boot_args[1]);
- const void *blob;
-
- /* Check if ATF passed us DTB. If not, fall back to builtin DTB. */
- if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
- blob = atf_fdt_blob;
- else
- blob = gd->fdt_blob;
-
- return fdtdec_setup_mem_size_base_fdt(blob);
-}
-
-int dram_init_banksize(void)
-{
- const void *atf_fdt_blob = (const void *)(rcar_atf_boot_args[1]);
- const void *blob;
-
- /* Check if ATF passed us DTB. If not, fall back to builtin DTB. */
- if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
- blob = atf_fdt_blob;
- else
- blob = gd->fdt_blob;
-
- fdtdec_setup_memory_banksize_fdt(blob);
-
- return 0;
-}
-
#define RST_BASE 0xE6160000
#define RST_CA57RESCNT (RST_BASE + 0x40)
#define RST_CA53RESCNT (RST_BASE + 0x44)
diff --git a/board/renesas/rcar-common/common.c b/board/renesas/rcar-common/common.c
index 1ce6e2eac1..292867e496 100644
--- a/board/renesas/rcar-common/common.c
+++ b/board/renesas/rcar-common/common.c
@@ -9,3 +9,41 @@
#include <common.h>
#include <asm/arch/rmobile.h>
+
+#ifdef CONFIG_RCAR_GEN3
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* If the firmware passed a device tree use it for U-Boot DRAM setup. */
+extern u64 rcar_atf_boot_args[];
+
+int dram_init(void)
+{
+ const void *atf_fdt_blob = (const void *)(rcar_atf_boot_args[1]);
+ const void *blob;
+
+ /* Check if ATF passed us DTB. If not, fall back to builtin DTB. */
+ if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
+ blob = atf_fdt_blob;
+ else
+ blob = gd->fdt_blob;
+
+ return fdtdec_setup_mem_size_base_fdt(blob);
+}
+
+int dram_init_banksize(void)
+{
+ const void *atf_fdt_blob = (const void *)(rcar_atf_boot_args[1]);
+ const void *blob;
+
+ /* Check if ATF passed us DTB. If not, fall back to builtin DTB. */
+ if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
+ blob = atf_fdt_blob;
+ else
+ blob = gd->fdt_blob;
+
+ fdtdec_setup_memory_banksize_fdt(blob);
+
+ return 0;
+}
+#endif
diff --git a/board/renesas/rcar-common/gen3-spl.c b/board/renesas/rcar-common/gen3-spl.c
new file mode 100644
index 0000000000..27140c5c35
--- /dev/null
+++ b/board/renesas/rcar-common/gen3-spl.c
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * R-Car Gen3 recovery SPL
+ *
+ * Copyright (C) 2019 Marek Vasut <marek.vasut@gmail.com>
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <spl.h>
+
+#define RCAR_CNTC_BASE 0xE6080000
+#define CNTCR_EN BIT(0)
+
+void board_init_f(ulong dummy)
+{
+ writel(CNTCR_EN, RCAR_CNTC_BASE);
+ timer_init();
+}
+
+void spl_board_init(void)
+{
+ /* UART clocks enabled and gd valid - init serial console */
+ preloader_console_init();
+}
+
+u32 spl_boot_device(void)
+{
+ return BOOT_DEVICE_UART;
+}
+
+void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
+{
+ debug("image entry point: 0x%lx\n", spl_image->entry_point);
+ if (spl_image->os == IH_OS_ARM_TRUSTED_FIRMWARE) {
+ typedef void (*image_entry_arg_t)(int, int, int, int)
+ __attribute__ ((noreturn));
+ image_entry_arg_t image_entry =
+ (image_entry_arg_t)(uintptr_t) spl_image->entry_point;
+ image_entry(IH_MAGIC, CONFIG_SPL_TEXT_BASE, 0, 0);
+ } else {
+ typedef void __noreturn (*image_entry_noargs_t)(void);
+ image_entry_noargs_t image_entry =
+ (image_entry_noargs_t)spl_image->entry_point;
+ image_entry();
+ }
+}
+
+void s_init(void)
+{
+}
+
+void reset_cpu(ulong addr)
+{
+}
diff --git a/board/renesas/salvator-x/Makefile b/board/renesas/salvator-x/Makefile
index 5b4dea91c1..95258079e4 100644
--- a/board/renesas/salvator-x/Makefile
+++ b/board/renesas/salvator-x/Makefile
@@ -6,4 +6,8 @@
# SPDX-License-Identifier: GPL-2.0+
#
-obj-y := salvator-x.o
+ifdef CONFIG_SPL_BUILD
+obj-y := ../rcar-common/gen3-spl.o
+else
+obj-y := salvator-x.o ../rcar-common/common.o
+endif
diff --git a/board/renesas/salvator-x/salvator-x.c b/board/renesas/salvator-x/salvator-x.c
index 1db08fce6a..22fe9619cf 100644
--- a/board/renesas/salvator-x/salvator-x.c
+++ b/board/renesas/salvator-x/salvator-x.c
@@ -69,41 +69,6 @@ int board_init(void)
return 0;
}
-/*
- * If the firmware passed a device tree use it for U-Boot DRAM setup.
- */
-extern u64 rcar_atf_boot_args[];
-
-int dram_init(void)
-{
- const void *atf_fdt_blob = (const void *)(rcar_atf_boot_args[1]);
- const void *blob;
-
- /* Check if ATF passed us DTB. If not, fall back to builtin DTB. */
- if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
- blob = atf_fdt_blob;
- else
- blob = gd->fdt_blob;
-
- return fdtdec_setup_mem_size_base_fdt(blob);
-}
-
-int dram_init_banksize(void)
-{
- const void *atf_fdt_blob = (const void *)(rcar_atf_boot_args[1]);
- const void *blob;
-
- /* Check if ATF passed us DTB. If not, fall back to builtin DTB. */
- if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
- blob = atf_fdt_blob;
- else
- blob = gd->fdt_blob;
-
- fdtdec_setup_memory_banksize_fdt(blob);
-
- return 0;
-}
-
#define RST_BASE 0xE6160000
#define RST_CA57RESCNT (RST_BASE + 0x40)
#define RST_CA53RESCNT (RST_BASE + 0x44)
diff --git a/board/renesas/ulcb/Makefile b/board/renesas/ulcb/Makefile
index 406fdc8fa4..f4d24c68a6 100644
--- a/board/renesas/ulcb/Makefile
+++ b/board/renesas/ulcb/Makefile
@@ -6,4 +6,8 @@
# SPDX-License-Identifier: GPL-2.0+
#
-obj-y := ulcb.o cpld.o
+ifdef CONFIG_SPL_BUILD
+obj-y := ../rcar-common/gen3-spl.o
+else
+obj-y := ulcb.o cpld.o ../rcar-common/common.o
+endif
diff --git a/board/renesas/ulcb/ulcb.c b/board/renesas/ulcb/ulcb.c
index faf19c3580..bcae6ff67c 100644
--- a/board/renesas/ulcb/ulcb.c
+++ b/board/renesas/ulcb/ulcb.c
@@ -68,41 +68,6 @@ int board_init(void)
return 0;
}
-/*
- * If the firmware passed a device tree use it for U-Boot DRAM setup.
- */
-extern u64 rcar_atf_boot_args[];
-
-int dram_init(void)
-{
- const void *atf_fdt_blob = (const void *)(rcar_atf_boot_args[1]);
- const void *blob;
-
- /* Check if ATF passed us DTB. If not, fall back to builtin DTB. */
- if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
- blob = atf_fdt_blob;
- else
- blob = gd->fdt_blob;
-
- return fdtdec_setup_mem_size_base_fdt(blob);
-}
-
-int dram_init_banksize(void)
-{
- const void *atf_fdt_blob = (const void *)(rcar_atf_boot_args[1]);
- const void *blob;
-
- /* Check if ATF passed us DTB. If not, fall back to builtin DTB. */
- if (fdt_magic(atf_fdt_blob) == FDT_MAGIC)
- blob = atf_fdt_blob;
- else
- blob = gd->fdt_blob;
-
- fdtdec_setup_memory_banksize_fdt(blob);
-
- return 0;
-}
-
#ifdef CONFIG_MULTI_DTB_FIT
int board_fit_config_name_match(const char *name)
{
diff --git a/configs/r8a7795_salvator-x_defconfig b/configs/r8a7795_salvator-x_defconfig
index 2b299eca08..dfe993a125 100644
--- a/configs/r8a7795_salvator-x_defconfig
+++ b/configs/r8a7795_salvator-x_defconfig
@@ -11,11 +11,13 @@ CONFIG_BOOTARGS="root=/dev/nfs rw nfsroot=192.168.0.1:/export/rfs ip=192.168.0.2
CONFIG_SUPPORT_RAW_INITRD=y
CONFIG_DEFAULT_FDT_FILE="r8a7795-salvator-x.dtb"
CONFIG_VERSION_VARIABLE=y
+CONFIG_SPL_TEXT_BASE=0xe6338000
CONFIG_HUSH_PARSER=y
CONFIG_CMD_BOOTZ=y
CONFIG_CMD_GPIO=y
CONFIG_CMD_I2C=y
CONFIG_CMD_MMC=y
+CONFIG_CMD_PCI=y
CONFIG_CMD_USB=y
CONFIG_CMD_DHCP=y
CONFIG_CMD_MII=y
@@ -48,6 +50,9 @@ CONFIG_PHY_MICREL=y
CONFIG_PHY_MICREL_KSZ90X1=y
CONFIG_DM_ETH=y
CONFIG_RENESAS_RAVB=y
+CONFIG_PCI=y
+CONFIG_DM_PCI=y
+CONFIG_PCI_RCAR_GEN3=y
CONFIG_DM_REGULATOR=y
CONFIG_DM_REGULATOR_FIXED=y
CONFIG_DM_REGULATOR_GPIO=y
diff --git a/configs/r8a7795_ulcb_defconfig b/configs/r8a7795_ulcb_defconfig
index 2808a08b35..f85d37c782 100644
--- a/configs/r8a7795_ulcb_defconfig
+++ b/configs/r8a7795_ulcb_defconfig
@@ -12,6 +12,7 @@ CONFIG_BOOTARGS="root=/dev/nfs rw nfsroot=192.168.0.1:/export/rfs ip=192.168.0.2
CONFIG_SUPPORT_RAW_INITRD=y
CONFIG_DEFAULT_FDT_FILE="r8a7795-h3ulcb.dtb"
CONFIG_VERSION_VARIABLE=y
+CONFIG_SPL_TEXT_BASE=0xe6338000
CONFIG_HUSH_PARSER=y
CONFIG_CMD_BOOTZ=y
CONFIG_CMD_GPIO=y
diff --git a/configs/r8a77965_salvator-x_defconfig b/configs/r8a77965_salvator-x_defconfig
index aa1f7ed1c5..dc2d49547c 100644
--- a/configs/r8a77965_salvator-x_defconfig
+++ b/configs/r8a77965_salvator-x_defconfig
@@ -12,11 +12,13 @@ CONFIG_BOOTARGS="root=/dev/nfs rw nfsroot=192.168.0.1:/export/rfs ip=192.168.0.2
CONFIG_SUPPORT_RAW_INITRD=y
CONFIG_DEFAULT_FDT_FILE="r8a77965-salvator-x.dtb"
CONFIG_VERSION_VARIABLE=y
+CONFIG_SPL_TEXT_BASE=0xe6338000
CONFIG_HUSH_PARSER=y
CONFIG_CMD_BOOTZ=y
CONFIG_CMD_GPIO=y
CONFIG_CMD_I2C=y
CONFIG_CMD_MMC=y
+CONFIG_CMD_PCI=y
CONFIG_CMD_USB=y
CONFIG_CMD_DHCP=y
CONFIG_CMD_MII=y
@@ -49,6 +51,9 @@ CONFIG_PHY_MICREL=y
CONFIG_PHY_MICREL_KSZ90X1=y
CONFIG_DM_ETH=y
CONFIG_RENESAS_RAVB=y
+CONFIG_PCI=y
+CONFIG_DM_PCI=y
+CONFIG_PCI_RCAR_GEN3=y
CONFIG_DM_REGULATOR=y
CONFIG_DM_REGULATOR_FIXED=y
CONFIG_DM_REGULATOR_GPIO=y
diff --git a/configs/r8a77965_ulcb_defconfig b/configs/r8a77965_ulcb_defconfig
index fa76ba5524..d8d915b239 100644
--- a/configs/r8a77965_ulcb_defconfig
+++ b/configs/r8a77965_ulcb_defconfig
@@ -12,6 +12,7 @@ CONFIG_BOOTARGS="root=/dev/nfs rw nfsroot=192.168.0.1:/export/rfs ip=192.168.0.2
CONFIG_SUPPORT_RAW_INITRD=y
CONFIG_DEFAULT_FDT_FILE="r8a77965-m3nulcb.dtb"
CONFIG_VERSION_VARIABLE=y
+CONFIG_SPL_TEXT_BASE=0xe6338000
CONFIG_HUSH_PARSER=y
CONFIG_CMD_BOOTZ=y
CONFIG_CMD_GPIO=y
diff --git a/configs/r8a7796_salvator-x_defconfig b/configs/r8a7796_salvator-x_defconfig
index 05d4c5acbb..c6f713a8ba 100644
--- a/configs/r8a7796_salvator-x_defconfig
+++ b/configs/r8a7796_salvator-x_defconfig
@@ -12,11 +12,13 @@ CONFIG_BOOTARGS="root=/dev/nfs rw nfsroot=192.168.0.1:/export/rfs ip=192.168.0.2
CONFIG_SUPPORT_RAW_INITRD=y
CONFIG_DEFAULT_FDT_FILE="r8a7796-salvator-x.dtb"
CONFIG_VERSION_VARIABLE=y
+CONFIG_SPL_TEXT_BASE=0xe6338000
CONFIG_HUSH_PARSER=y
CONFIG_CMD_BOOTZ=y
CONFIG_CMD_GPIO=y
CONFIG_CMD_I2C=y
CONFIG_CMD_MMC=y
+CONFIG_CMD_PCI=y
CONFIG_CMD_USB=y
CONFIG_CMD_DHCP=y
CONFIG_CMD_MII=y
@@ -49,6 +51,9 @@ CONFIG_PHY_MICREL=y
CONFIG_PHY_MICREL_KSZ90X1=y
CONFIG_DM_ETH=y
CONFIG_RENESAS_RAVB=y
+CONFIG_PCI=y
+CONFIG_DM_PCI=y
+CONFIG_PCI_RCAR_GEN3=y
CONFIG_DM_REGULATOR=y
CONFIG_DM_REGULATOR_FIXED=y
CONFIG_DM_REGULATOR_GPIO=y
diff --git a/configs/r8a7796_ulcb_defconfig b/configs/r8a7796_ulcb_defconfig
index 7a738d308c..5c11d5c44a 100644
--- a/configs/r8a7796_ulcb_defconfig
+++ b/configs/r8a7796_ulcb_defconfig
@@ -12,6 +12,7 @@ CONFIG_BOOTARGS="root=/dev/nfs rw nfsroot=192.168.0.1:/export/rfs ip=192.168.0.2
CONFIG_SUPPORT_RAW_INITRD=y
CONFIG_DEFAULT_FDT_FILE="r8a7796-m3ulcb.dtb"
CONFIG_VERSION_VARIABLE=y
+CONFIG_SPL_TEXT_BASE=0xe6338000
CONFIG_HUSH_PARSER=y
CONFIG_CMD_BOOTZ=y
CONFIG_CMD_GPIO=y
diff --git a/configs/r8a77970_eagle_defconfig b/configs/r8a77970_eagle_defconfig
index d99293d1dc..d9e23426b3 100644
--- a/configs/r8a77970_eagle_defconfig
+++ b/configs/r8a77970_eagle_defconfig
@@ -12,6 +12,7 @@ CONFIG_BOOTARGS="root=/dev/nfs rw nfsroot=192.168.0.1:/export/rfs ip=192.168.0.2
CONFIG_SUPPORT_RAW_INITRD=y
CONFIG_DEFAULT_FDT_FILE="r8a77970-eagle.dtb"
CONFIG_VERSION_VARIABLE=y
+CONFIG_SPL_TEXT_BASE=0xe6318000
CONFIG_HUSH_PARSER=y
CONFIG_CMD_BOOTZ=y
CONFIG_CMD_GPIO=y
diff --git a/configs/r8a77990_ebisu_defconfig b/configs/r8a77990_ebisu_defconfig
index e76bd59c07..edc7478784 100644
--- a/configs/r8a77990_ebisu_defconfig
+++ b/configs/r8a77990_ebisu_defconfig
@@ -12,6 +12,7 @@ CONFIG_BOOTARGS="root=/dev/nfs rw nfsroot=192.168.0.1:/export/rfs ip=192.168.0.2
CONFIG_SUPPORT_RAW_INITRD=y
CONFIG_DEFAULT_FDT_FILE="r8a77990-ebisu.dtb"
CONFIG_VERSION_VARIABLE=y
+CONFIG_SPL_TEXT_BASE=0xe6318000
CONFIG_HUSH_PARSER=y
CONFIG_CMD_BOOTZ=y
CONFIG_CMD_GPIO=y
diff --git a/configs/r8a77995_draak_defconfig b/configs/r8a77995_draak_defconfig
index cf1fcd8238..39daf98315 100644
--- a/configs/r8a77995_draak_defconfig
+++ b/configs/r8a77995_draak_defconfig
@@ -12,6 +12,7 @@ CONFIG_BOOTARGS="root=/dev/nfs rw nfsroot=192.168.0.1:/export/rfs ip=192.168.0.2
CONFIG_SUPPORT_RAW_INITRD=y
CONFIG_DEFAULT_FDT_FILE="r8a77995-draak.dtb"
CONFIG_VERSION_VARIABLE=y
+CONFIG_SPL_TEXT_BASE=0xe6318000
CONFIG_HUSH_PARSER=y
CONFIG_CMD_BOOTZ=y
CONFIG_CMD_GPIO=y
diff --git a/drivers/mmc/renesas-sdhi.c b/drivers/mmc/renesas-sdhi.c
index 6c51ccc294..7c53aa221e 100644
--- a/drivers/mmc/renesas-sdhi.c
+++ b/drivers/mmc/renesas-sdhi.c
@@ -23,24 +23,126 @@
/* SCC registers */
#define RENESAS_SDHI_SCC_DTCNTL 0x800
-#define RENESAS_SDHI_SCC_DTCNTL_TAPEN BIT(0)
-#define RENESAS_SDHI_SCC_DTCNTL_TAPNUM_SHIFT 16
-#define RENESAS_SDHI_SCC_DTCNTL_TAPNUM_MASK 0xff
+#define RENESAS_SDHI_SCC_DTCNTL_TAPEN BIT(0)
+#define RENESAS_SDHI_SCC_DTCNTL_TAPNUM_SHIFT 16
+#define RENESAS_SDHI_SCC_DTCNTL_TAPNUM_MASK 0xff
#define RENESAS_SDHI_SCC_TAPSET 0x804
#define RENESAS_SDHI_SCC_DT2FF 0x808
#define RENESAS_SDHI_SCC_CKSEL 0x80c
-#define RENESAS_SDHI_SCC_CKSEL_DTSEL BIT(0)
-#define RENESAS_SDHI_SCC_RVSCNTL 0x810
-#define RENESAS_SDHI_SCC_RVSCNTL_RVSEN BIT(0)
+#define RENESAS_SDHI_SCC_CKSEL_DTSEL BIT(0)
+#define RENESAS_SDHI_SCC_RVSCNTL 0x810
+#define RENESAS_SDHI_SCC_RVSCNTL_RVSEN BIT(0)
#define RENESAS_SDHI_SCC_RVSREQ 0x814
-#define RENESAS_SDHI_SCC_RVSREQ_RVSERR BIT(2)
+#define RENESAS_SDHI_SCC_RVSREQ_RVSERR BIT(2)
#define RENESAS_SDHI_SCC_SMPCMP 0x818
-#define RENESAS_SDHI_SCC_TMPPORT2 0x81c
-#define RENESAS_SDHI_SCC_TMPPORT2_HS400EN BIT(31)
-#define RENESAS_SDHI_SCC_TMPPORT2_HS400OSEL BIT(4)
+#define RENESAS_SDHI_SCC_TMPPORT2 0x81c
+#define RENESAS_SDHI_SCC_TMPPORT2_HS400EN BIT(31)
+#define RENESAS_SDHI_SCC_TMPPORT2_HS400OSEL BIT(4)
+#define RENESAS_SDHI_SCC_TMPPORT3 0x828
+#define RENESAS_SDHI_SCC_TMPPORT3_OFFSET_0 3
+#define RENESAS_SDHI_SCC_TMPPORT3_OFFSET_1 2
+#define RENESAS_SDHI_SCC_TMPPORT3_OFFSET_2 1
+#define RENESAS_SDHI_SCC_TMPPORT3_OFFSET_3 0
+#define RENESAS_SDHI_SCC_TMPPORT3_OFFSET_MASK 0x3
+#define RENESAS_SDHI_SCC_TMPPORT4 0x82c
+#define RENESAS_SDHI_SCC_TMPPORT4_DLL_ACC_START BIT(0)
+#define RENESAS_SDHI_SCC_TMPPORT5 0x830
+#define RENESAS_SDHI_SCC_TMPPORT5_DLL_RW_SEL_R BIT(8)
+#define RENESAS_SDHI_SCC_TMPPORT5_DLL_RW_SEL_W (0 << 8)
+#define RENESAS_SDHI_SCC_TMPPORT5_DLL_ADR_MASK 0x3F
+#define RENESAS_SDHI_SCC_TMPPORT6 0x834
+#define RENESAS_SDHI_SCC_TMPPORT7 0x838
+#define RENESAS_SDHI_SCC_TMPPORT_DISABLE_WP_CODE 0xa5000000
+#define RENESAS_SDHI_SCC_TMPPORT_CALIB_CODE_MASK 0x1f
+#define RENESAS_SDHI_SCC_TMPPORT_MANUAL_MODE BIT(7)
#define RENESAS_SDHI_MAX_TAP 3
+static u32 sd_scc_tmpport_read32(struct tmio_sd_priv *priv, u32 addr)
+{
+ /* read mode */
+ tmio_sd_writel(priv, RENESAS_SDHI_SCC_TMPPORT5_DLL_RW_SEL_R |
+ (RENESAS_SDHI_SCC_TMPPORT5_DLL_ADR_MASK & addr),
+ RENESAS_SDHI_SCC_TMPPORT5);
+
+ /* access start and stop */
+ tmio_sd_writel(priv, RENESAS_SDHI_SCC_TMPPORT4_DLL_ACC_START,
+ RENESAS_SDHI_SCC_TMPPORT4);
+ tmio_sd_writel(priv, 0, RENESAS_SDHI_SCC_TMPPORT4);
+
+ return tmio_sd_readl(priv, RENESAS_SDHI_SCC_TMPPORT7);
+}
+
+static void sd_scc_tmpport_write32(struct tmio_sd_priv *priv, u32 addr, u32 val)
+{
+ /* write mode */
+ tmio_sd_writel(priv, RENESAS_SDHI_SCC_TMPPORT5_DLL_RW_SEL_W |
+ (RENESAS_SDHI_SCC_TMPPORT5_DLL_ADR_MASK & addr),
+ RENESAS_SDHI_SCC_TMPPORT5);
+ tmio_sd_writel(priv, val, RENESAS_SDHI_SCC_TMPPORT6);
+
+ /* access start and stop */
+ tmio_sd_writel(priv, RENESAS_SDHI_SCC_TMPPORT4_DLL_ACC_START,
+ RENESAS_SDHI_SCC_TMPPORT4);
+ tmio_sd_writel(priv, 0, RENESAS_SDHI_SCC_TMPPORT4);
+}
+
+static void renesas_sdhi_adjust_hs400_mode_enable(struct tmio_sd_priv *priv)
+{
+ u32 calib_code;
+
+ if (!priv->adjust_hs400_enable)
+ return;
+
+ if (!priv->needs_adjust_hs400)
+ return;
+
+ /*
+ * Enabled Manual adjust HS400 mode
+ *
+ * 1) Disabled Write Protect
+ * W(addr=0x00, WP_DISABLE_CODE)
+ * 2) Read Calibration code and adjust
+ * R(addr=0x26) - adjust value
+ * 3) Enabled Manual Calibration
+ * W(addr=0x22, manual mode | Calibration code)
+ * 4) Set Offset value to TMPPORT3 Reg
+ */
+ sd_scc_tmpport_write32(priv, 0x00,
+ RENESAS_SDHI_SCC_TMPPORT_DISABLE_WP_CODE);
+ calib_code = sd_scc_tmpport_read32(priv, 0x26);
+ calib_code &= RENESAS_SDHI_SCC_TMPPORT_CALIB_CODE_MASK;
+ if (calib_code > priv->adjust_hs400_calibrate)
+ calib_code -= priv->adjust_hs400_calibrate;
+ else
+ calib_code = 0;
+ sd_scc_tmpport_write32(priv, 0x22,
+ RENESAS_SDHI_SCC_TMPPORT_MANUAL_MODE |
+ calib_code);
+ tmio_sd_writel(priv, priv->adjust_hs400_offset,
+ RENESAS_SDHI_SCC_TMPPORT3);
+
+ /* Clear flag */
+ priv->needs_adjust_hs400 = false;
+}
+
+static void renesas_sdhi_adjust_hs400_mode_disable(struct tmio_sd_priv *priv)
+{
+
+ /* Disabled Manual adjust HS400 mode
+ *
+ * 1) Disabled Write Protect
+ * W(addr=0x00, WP_DISABLE_CODE)
+ * 2) Disabled Manual Calibration
+ * W(addr=0x22, 0)
+ * 3) Clear offset value to TMPPORT3 Reg
+ */
+ sd_scc_tmpport_write32(priv, 0x00,
+ RENESAS_SDHI_SCC_TMPPORT_DISABLE_WP_CODE);
+ sd_scc_tmpport_write32(priv, 0x22, 0);
+ tmio_sd_writel(priv, 0, RENESAS_SDHI_SCC_TMPPORT3);
+}
+
static unsigned int renesas_sdhi_init_tuning(struct tmio_sd_priv *priv)
{
u32 reg;
@@ -96,6 +198,9 @@ static void renesas_sdhi_reset_tuning(struct tmio_sd_priv *priv)
RENESAS_SDHI_SCC_TMPPORT2_HS400OSEL);
tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_TMPPORT2);
+ /* Disable HS400 mode adjustment */
+ renesas_sdhi_adjust_hs400_mode_disable(priv);
+
reg = tmio_sd_readl(priv, TMIO_SD_CLKCTL);
reg |= TMIO_SD_CLKCTL_SCLKEN;
tmio_sd_writel(priv, reg, TMIO_SD_CLKCTL);
@@ -137,6 +242,10 @@ static int renesas_sdhi_hs400(struct udevice *dev)
tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_TMPPORT2);
+ /* Disable HS400 mode adjustment */
+ if (!hs400)
+ renesas_sdhi_adjust_hs400_mode_disable(priv);
+
tmio_sd_writel(priv, (0x8 << RENESAS_SDHI_SCC_DTCNTL_TAPNUM_SHIFT) |
RENESAS_SDHI_SCC_DTCNTL_TAPEN,
RENESAS_SDHI_SCC_DTCNTL);
@@ -159,6 +268,10 @@ static int renesas_sdhi_hs400(struct udevice *dev)
reg |= RENESAS_SDHI_SCC_RVSCNTL_RVSEN;
tmio_sd_writel(priv, reg, RENESAS_SDHI_SCC_RVSCNTL);
+ /* Execute adjust hs400 offset after setting to HS400 mode */
+ if (hs400)
+ priv->needs_adjust_hs400 = true;
+
return 0;
}
@@ -188,6 +301,8 @@ static int renesas_sdhi_select_tuning(struct tmio_sd_priv *priv,
bool select = false;
u32 reg;
+ priv->needs_adjust_hs400 = false;
+
/* Clear SCC_RVSREQ */
tmio_sd_writel(priv, 0, RENESAS_SDHI_SCC_RVSREQ);
@@ -405,8 +520,29 @@ static int renesas_sdhi_wait_dat0(struct udevice *dev, int state, int timeout)
}
#endif
+static int renesas_sdhi_send_cmd(struct udevice *dev, struct mmc_cmd *cmd,
+ struct mmc_data *data)
+{
+ int ret;
+
+ ret = tmio_sd_send_cmd(dev, cmd, data);
+ if (ret)
+ return ret;
+
+#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) || \
+ CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) || \
+ CONFIG_IS_ENABLED(MMC_HS400_SUPPORT)
+ struct tmio_sd_priv *priv = dev_get_priv(dev);
+
+ if (cmd->cmdidx == MMC_CMD_SEND_STATUS)
+ renesas_sdhi_adjust_hs400_mode_enable(priv);
+#endif
+
+ return 0;
+}
+
static const struct dm_mmc_ops renesas_sdhi_ops = {
- .send_cmd = tmio_sd_send_cmd,
+ .send_cmd = renesas_sdhi_send_cmd,
.set_ios = renesas_sdhi_set_ios,
.get_cd = tmio_sd_get_cd,
#if CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) || \
@@ -451,14 +587,37 @@ static void renesas_sdhi_filter_caps(struct udevice *dev)
if (!(priv->caps & TMIO_SD_CAP_RCAR_GEN3))
return;
- /* HS400 is not supported on H3 ES1.x and M3W ES1.0,ES1.1 */
+ /* HS400 is not supported on H3 ES1.x and M3W ES1.0,ES1.1,ES1.2 */
if (((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7795) &&
(rmobile_get_cpu_rev_integer() <= 1)) ||
((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7796) &&
(rmobile_get_cpu_rev_integer() == 1) &&
- (rmobile_get_cpu_rev_fraction() <= 1)))
+ (rmobile_get_cpu_rev_fraction() <= 2)))
plat->cfg.host_caps &= ~MMC_MODE_HS400;
+ /* M3W ES1.x for x>2 can use HS400 with manual adjustment */
+ if ((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7796) &&
+ (rmobile_get_cpu_rev_integer() == 1) &&
+ (rmobile_get_cpu_rev_fraction() > 2)) {
+ priv->adjust_hs400_enable = true;
+ priv->adjust_hs400_offset = 0;
+ priv->adjust_hs400_calibrate = 0x9;
+ }
+
+ /* M3N can use HS400 with manual adjustment */
+ if (rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A77965) {
+ priv->adjust_hs400_enable = true;
+ priv->adjust_hs400_offset = 0;
+ priv->adjust_hs400_calibrate = 0x0;
+ }
+
+ /* E3 can use HS400 with manual adjustment */
+ if (rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A77990) {
+ priv->adjust_hs400_enable = true;
+ priv->adjust_hs400_offset = 0;
+ priv->adjust_hs400_calibrate = 0x2;
+ }
+
/* H3 ES2.0 uses 4 tuning taps */
if ((rmobile_get_cpu_type() == RMOBILE_CPU_TYPE_R8A7795) &&
(rmobile_get_cpu_rev_integer() == 2))
diff --git a/drivers/mmc/tmio-common.h b/drivers/mmc/tmio-common.h
index 58ce3d65b0..51607de142 100644
--- a/drivers/mmc/tmio-common.h
+++ b/drivers/mmc/tmio-common.h
@@ -139,6 +139,10 @@ struct tmio_sd_priv {
#if CONFIG_IS_ENABLED(RENESAS_SDHI)
u8 tap_set;
u8 nrtaps;
+ bool needs_adjust_hs400;
+ bool adjust_hs400_enable;
+ u8 adjust_hs400_offset;
+ u8 adjust_hs400_calibrate;
#endif
ulong (*clk_get_rate)(struct tmio_sd_priv *);
};
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 763bd500d4..429bb836a8 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -69,6 +69,14 @@ config PCI_RCAR_GEN2
Renesas RCar Gen2 SoCs. The PCIe controller on RCar Gen2 is
also used to access EHCI USB controller on the SoC.
+config PCI_RCAR_GEN3
+ bool "Renesas RCar Gen3 PCIe driver"
+ depends on DM_PCI
+ depends on RCAR_GEN3
+ help
+ Say Y here if you want to enable PCIe controller support on
+ Renesas RCar Gen3 SoCs.
+
config PCI_SANDBOX
bool "Sandbox PCI support"
depends on SANDBOX && DM_PCI
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 8ee828af6d..bd392edba1 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -24,6 +24,7 @@ obj-$(CONFIG_PCIE_IMX) += pcie_imx.o
obj-$(CONFIG_FTPCI100) += pci_ftpci100.o
obj-$(CONFIG_PCI_MVEBU) += pci_mvebu.o
obj-$(CONFIG_PCI_RCAR_GEN2) += pci-rcar-gen2.o
+obj-$(CONFIG_PCI_RCAR_GEN3) += pci-rcar-gen3.o
obj-$(CONFIG_SH4_PCI) += pci_sh4.o
obj-$(CONFIG_SH7751_PCI) +=pci_sh7751.o
obj-$(CONFIG_SH7780_PCI) +=pci_sh7780.o
diff --git a/drivers/pci/pci-rcar-gen3.c b/drivers/pci/pci-rcar-gen3.c
new file mode 100644
index 0000000000..52ca13b70c
--- /dev/null
+++ b/drivers/pci/pci-rcar-gen3.c
@@ -0,0 +1,411 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RCar Gen3 PCIEC driver
+ *
+ * Copyright (C) 2018-2019 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * Based on Linux PCIe driver for Renesas R-Car SoCs
+ * Copyright (C) 2014 Renesas Electronics Europe Ltd
+ *
+ * Based on:
+ * arch/sh/drivers/pci/pcie-sh7786.c
+ * arch/sh/drivers/pci/ops-sh7786.c
+ * Copyright (C) 2009 - 2011 Paul Mundt
+ *
+ * Author: Phil Edworthy <phil.edworthy@renesas.com>
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <clk.h>
+#include <dm.h>
+#include <errno.h>
+#include <pci.h>
+#include <wait_bit.h>
+
+#define PCIECAR 0x000010
+#define PCIECCTLR 0x000018
+#define CONFIG_SEND_ENABLE BIT(31)
+#define TYPE0 (0 << 8)
+#define TYPE1 BIT(8)
+#define PCIECDR 0x000020
+#define PCIEMSR 0x000028
+#define PCIEINTXR 0x000400
+#define PCIEPHYSR 0x0007f0
+#define PHYRDY BIT(0)
+#define PCIEMSITXR 0x000840
+
+/* Transfer control */
+#define PCIETCTLR 0x02000
+#define CFINIT 1
+#define PCIETSTR 0x02004
+#define DATA_LINK_ACTIVE 1
+#define PCIEERRFR 0x02020
+#define UNSUPPORTED_REQUEST BIT(4)
+#define PCIEMSIFR 0x02044
+#define PCIEMSIALR 0x02048
+#define MSIFE 1
+#define PCIEMSIAUR 0x0204c
+#define PCIEMSIIER 0x02050
+
+/* root port address */
+#define PCIEPRAR(x) (0x02080 + ((x) * 0x4))
+
+/* local address reg & mask */
+#define PCIELAR(x) (0x02200 + ((x) * 0x20))
+#define PCIELAMR(x) (0x02208 + ((x) * 0x20))
+#define LAM_PREFETCH BIT(3)
+#define LAM_64BIT BIT(2)
+#define LAR_ENABLE BIT(1)
+
+/* PCIe address reg & mask */
+#define PCIEPALR(x) (0x03400 + ((x) * 0x20))
+#define PCIEPAUR(x) (0x03404 + ((x) * 0x20))
+#define PCIEPAMR(x) (0x03408 + ((x) * 0x20))
+#define PCIEPTCTLR(x) (0x0340c + ((x) * 0x20))
+#define PAR_ENABLE BIT(31)
+#define IO_SPACE BIT(8)
+
+/* Configuration */
+#define PCICONF(x) (0x010000 + ((x) * 0x4))
+#define PMCAP(x) (0x010040 + ((x) * 0x4))
+#define EXPCAP(x) (0x010070 + ((x) * 0x4))
+#define VCCAP(x) (0x010100 + ((x) * 0x4))
+
+/* link layer */
+#define IDSETR1 0x011004
+#define TLCTLR 0x011048
+#define MACSR 0x011054
+#define SPCHGFIN BIT(4)
+#define SPCHGFAIL BIT(6)
+#define SPCHGSUC BIT(7)
+#define LINK_SPEED (0xf << 16)
+#define LINK_SPEED_2_5GTS (1 << 16)
+#define LINK_SPEED_5_0GTS (2 << 16)
+#define MACCTLR 0x011058
+#define SPEED_CHANGE BIT(24)
+#define SCRAMBLE_DISABLE BIT(27)
+#define MACS2R 0x011078
+#define MACCGSPSETR 0x011084
+#define SPCNGRSN BIT(31)
+
+/* R-Car H1 PHY */
+#define H1_PCIEPHYADRR 0x04000c
+#define WRITE_CMD BIT(16)
+#define PHY_ACK BIT(24)
+#define RATE_POS 12
+#define LANE_POS 8
+#define ADR_POS 0
+#define H1_PCIEPHYDOUTR 0x040014
+
+/* R-Car Gen2 PHY */
+#define GEN2_PCIEPHYADDR 0x780
+#define GEN2_PCIEPHYDATA 0x784
+#define GEN2_PCIEPHYCTRL 0x78c
+
+#define INT_PCI_MSI_NR 32
+
+#define RCONF(x) (PCICONF(0) + (x))
+#define RPMCAP(x) (PMCAP(0) + (x))
+#define REXPCAP(x) (EXPCAP(0) + (x))
+#define RVCCAP(x) (VCCAP(0) + (x))
+
+#define PCIE_CONF_BUS(b) (((b) & 0xff) << 24)
+#define PCIE_CONF_DEV(d) (((d) & 0x1f) << 19)
+#define PCIE_CONF_FUNC(f) (((f) & 0x7) << 16)
+
+#define RCAR_PCI_MAX_RESOURCES 4
+#define MAX_NR_INBOUND_MAPS 6
+
+#define PCI_EXP_FLAGS 2 /* Capabilities register */
+#define PCI_EXP_FLAGS_TYPE 0x00f0 /* Device/Port type */
+#define PCI_EXP_TYPE_ROOT_PORT 0x4 /* Root Port */
+#define PCI_EXP_LNKCAP 12 /* Link Capabilities */
+#define PCI_EXP_LNKCAP_DLLLARC 0x00100000 /* Data Link Layer Link Active Reporting Capable */
+#define PCI_EXP_SLTCAP 20 /* Slot Capabilities */
+#define PCI_EXP_SLTCAP_PSN 0xfff80000 /* Physical Slot Number */
+
+enum {
+ RCAR_PCI_ACCESS_READ,
+ RCAR_PCI_ACCESS_WRITE,
+};
+
+struct rcar_gen3_pcie_priv {
+ fdt_addr_t regs;
+};
+
+static void rcar_rmw32(struct udevice *dev, int where, u32 mask, u32 data)
+{
+ struct rcar_gen3_pcie_priv *priv = dev_get_platdata(dev);
+ int shift = 8 * (where & 3);
+
+ clrsetbits_le32(priv->regs + (where & ~3),
+ mask << shift, data << shift);
+}
+
+static u32 rcar_read_conf(struct udevice *dev, int where)
+{
+ struct rcar_gen3_pcie_priv *priv = dev_get_platdata(dev);
+ int shift = 8 * (where & 3);
+
+ return readl(priv->regs + (where & ~3)) >> shift;
+}
+
+static int rcar_pcie_config_access(struct udevice *udev,
+ unsigned char access_type,
+ pci_dev_t bdf, int where, ulong *data)
+{
+ struct rcar_gen3_pcie_priv *priv = dev_get_platdata(udev);
+ u32 reg = where & ~3;
+
+ /* Clear errors */
+ clrbits_le32(priv->regs + PCIEERRFR, 0);
+
+ /* Set the PIO address */
+ writel((bdf << 8) | reg, priv->regs + PCIECAR);
+
+ /* Enable the configuration access */
+ if (!PCI_BUS(bdf))
+ writel(CONFIG_SEND_ENABLE | TYPE0, priv->regs + PCIECCTLR);
+ else
+ writel(CONFIG_SEND_ENABLE | TYPE1, priv->regs + PCIECCTLR);
+
+ /* Check for errors */
+ if (readl(priv->regs + PCIEERRFR) & UNSUPPORTED_REQUEST)
+ return -ENODEV;
+
+ /* Check for master and target aborts */
+ if (rcar_read_conf(udev, RCONF(PCI_STATUS)) &
+ (PCI_STATUS_REC_MASTER_ABORT | PCI_STATUS_REC_TARGET_ABORT))
+ return -ENODEV;
+
+ if (access_type == RCAR_PCI_ACCESS_READ)
+ *data = readl(priv->regs + PCIECDR);
+ else
+ writel(*data, priv->regs + PCIECDR);
+
+ /* Disable the configuration access */
+ writel(0, priv->regs + PCIECCTLR);
+
+ return 0;
+}
+
+static int rcar_gen3_pcie_addr_valid(pci_dev_t d, uint where)
+{
+ u32 slot;
+
+ if (PCI_FUNC(d))
+ return -EINVAL;
+
+ slot = PCI_DEV(d);
+ if (slot != 1)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int rcar_gen3_pcie_read_config(struct udevice *dev, pci_dev_t bdf,
+ uint where, ulong *val,
+ enum pci_size_t size)
+{
+ ulong reg;
+ int ret;
+
+ ret = rcar_gen3_pcie_addr_valid(bdf, where);
+ if (ret) {
+ *val = pci_get_ff(size);
+ return 0;
+ }
+
+ ret = rcar_pcie_config_access(dev, RCAR_PCI_ACCESS_READ,
+ bdf, where, &reg);
+ if (ret != 0)
+ reg = 0xffffffffUL;
+
+ *val = pci_conv_32_to_size(reg, where, size);
+
+ return ret;
+}
+
+static int rcar_gen3_pcie_write_config(struct udevice *dev, pci_dev_t bdf,
+ uint where, ulong val,
+ enum pci_size_t size)
+{
+ ulong data;
+ int ret;
+
+ ret = rcar_gen3_pcie_addr_valid(bdf, where);
+ if (ret)
+ return ret;
+
+ data = pci_conv_32_to_size(val, where, size);
+
+ ret = rcar_pcie_config_access(dev, RCAR_PCI_ACCESS_WRITE,
+ bdf, where, &data);
+
+ return ret;
+}
+
+static int rcar_gen3_pcie_wait_for_phyrdy(struct udevice *dev)
+{
+ struct rcar_gen3_pcie_priv *priv = dev_get_platdata(dev);
+
+ return wait_for_bit_le32((void *)priv->regs + PCIEPHYSR, PHYRDY,
+ true, 50, false);
+}
+
+static int rcar_gen3_pcie_wait_for_dl(struct udevice *dev)
+{
+ struct rcar_gen3_pcie_priv *priv = dev_get_platdata(dev);
+
+ return wait_for_bit_le32((void *)priv->regs + PCIETSTR,
+ DATA_LINK_ACTIVE, true, 50, false);
+}
+
+static int rcar_gen3_pcie_hw_init(struct udevice *dev)
+{
+ struct rcar_gen3_pcie_priv *priv = dev_get_platdata(dev);
+ int ret;
+
+ /* Begin initialization */
+ writel(0, priv->regs + PCIETCTLR);
+
+ /* Set mode */
+ writel(1, priv->regs + PCIEMSR);
+
+ ret = rcar_gen3_pcie_wait_for_phyrdy(dev);
+ if (ret)
+ return ret;
+
+ /*
+ * Initial header for port config space is type 1, set the device
+ * class to match. Hardware takes care of propagating the IDSETR
+ * settings, so there is no need to bother with a quirk.
+ */
+ writel(PCI_CLASS_BRIDGE_PCI << 16, priv->regs + IDSETR1);
+
+ /*
+ * Setup Secondary Bus Number & Subordinate Bus Number, even though
+ * they aren't used, to avoid bridge being detected as broken.
+ */
+ rcar_rmw32(dev, RCONF(PCI_SECONDARY_BUS), 0xff, 1);
+ rcar_rmw32(dev, RCONF(PCI_SUBORDINATE_BUS), 0xff, 1);
+
+ /* Initialize default capabilities. */
+ rcar_rmw32(dev, REXPCAP(0), 0xff, PCI_CAP_ID_EXP);
+ rcar_rmw32(dev, REXPCAP(PCI_EXP_FLAGS),
+ PCI_EXP_FLAGS_TYPE, PCI_EXP_TYPE_ROOT_PORT << 4);
+ rcar_rmw32(dev, RCONF(PCI_HEADER_TYPE), 0x7f,
+ PCI_HEADER_TYPE_BRIDGE);
+
+ /* Enable data link layer active state reporting */
+ rcar_rmw32(dev, REXPCAP(PCI_EXP_LNKCAP),
+ PCI_EXP_LNKCAP_DLLLARC, PCI_EXP_LNKCAP_DLLLARC);
+
+ /* Write out the physical slot number = 0 */
+ rcar_rmw32(dev, REXPCAP(PCI_EXP_SLTCAP),
+ PCI_EXP_SLTCAP_PSN, 0);
+
+ /* Set the completion timer timeout to the maximum 50ms. */
+ rcar_rmw32(dev, TLCTLR + 1, 0x3f, 50);
+
+ /* Terminate list of capabilities (Next Capability Offset=0) */
+ rcar_rmw32(dev, RVCCAP(0), 0xfff00000, 0);
+
+ /* Finish initialization - establish a PCI Express link */
+ writel(CFINIT, priv->regs + PCIETCTLR);
+
+ return rcar_gen3_pcie_wait_for_dl(dev);
+}
+
+static int rcar_gen3_pcie_probe(struct udevice *dev)
+{
+ struct rcar_gen3_pcie_priv *priv = dev_get_platdata(dev);
+ struct pci_controller *hose = dev_get_uclass_priv(dev);
+ struct clk pci_clk;
+ u32 mask;
+ int i, cnt, ret;
+
+ ret = clk_get_by_index(dev, 0, &pci_clk);
+ if (ret)
+ return ret;
+
+ ret = clk_enable(&pci_clk);
+ if (ret)
+ return ret;
+
+ for (i = 0; i < hose->region_count; i++) {
+ if (hose->regions[i].flags != PCI_REGION_SYS_MEMORY)
+ continue;
+
+ if (hose->regions[i].phys_start == 0)
+ continue;
+
+ mask = (hose->regions[i].size - 1) & ~0xf;
+ mask |= LAR_ENABLE;
+ writel(hose->regions[i].phys_start, priv->regs + PCIEPRAR(0));
+ writel(hose->regions[i].phys_start, priv->regs + PCIELAR(0));
+ writel(mask, priv->regs + PCIELAMR(0));
+ break;
+ }
+
+ writel(0, priv->regs + PCIEPRAR(4));
+ writel(0, priv->regs + PCIELAR(4));
+ writel(0, priv->regs + PCIELAMR(4));
+
+ ret = rcar_gen3_pcie_hw_init(dev);
+ if (ret)
+ return ret;
+
+ for (i = 0, cnt = 0; i < hose->region_count; i++) {
+ if (hose->regions[i].flags == PCI_REGION_SYS_MEMORY)
+ continue;
+
+ writel(0, priv->regs + PCIEPTCTLR(cnt));
+ writel((hose->regions[i].size - 1) & ~0x7f,
+ priv->regs + PCIEPAMR(cnt));
+ writel(upper_32_bits(hose->regions[i].phys_start),
+ priv->regs + PCIEPAUR(cnt));
+ writel(lower_32_bits(hose->regions[i].phys_start),
+ priv->regs + PCIEPALR(cnt));
+ mask = PAR_ENABLE;
+ if (hose->regions[i].flags == PCI_REGION_IO)
+ mask |= IO_SPACE;
+ writel(mask, priv->regs + PCIEPTCTLR(cnt));
+
+ cnt++;
+ }
+
+ return 0;
+}
+
+static int rcar_gen3_pcie_ofdata_to_platdata(struct udevice *dev)
+{
+ struct rcar_gen3_pcie_priv *priv = dev_get_platdata(dev);
+
+ priv->regs = devfdt_get_addr_index(dev, 0);
+ if (!priv->regs)
+ return -EINVAL;
+
+ return 0;
+}
+
+static const struct dm_pci_ops rcar_gen3_pcie_ops = {
+ .read_config = rcar_gen3_pcie_read_config,
+ .write_config = rcar_gen3_pcie_write_config,
+};
+
+static const struct udevice_id rcar_gen3_pcie_ids[] = {
+ { .compatible = "renesas,pcie-rcar-gen3" },
+ { }
+};
+
+U_BOOT_DRIVER(rcar_gen3_pcie) = {
+ .name = "rcar_gen3_pcie",
+ .id = UCLASS_PCI,
+ .of_match = rcar_gen3_pcie_ids,
+ .ops = &rcar_gen3_pcie_ops,
+ .probe = rcar_gen3_pcie_probe,
+ .ofdata_to_platdata = rcar_gen3_pcie_ofdata_to_platdata,
+ .platdata_auto_alloc_size = sizeof(struct rcar_gen3_pcie_priv),
+};
diff --git a/include/configs/rcar-gen3-common.h b/include/configs/rcar-gen3-common.h
index 20f982165d..203b0a78f2 100644
--- a/include/configs/rcar-gen3-common.h
+++ b/include/configs/rcar-gen3-common.h
@@ -13,6 +13,10 @@
#define CONFIG_REMAKE_ELF
+#ifdef CONFIG_SPL
+#define CONFIG_SPL_TARGET "spl/u-boot-spl.scif"
+#endif
+
/* boot option */
#define CONFIG_CMDLINE_TAG
@@ -64,4 +68,19 @@
"tftp 0x48000000 Image-"CONFIG_DEFAULT_FDT_FILE"; " \
"booti 0x48080000 - 0x48000000"
+/* SPL support */
+#if defined(CONFIG_R8A7795) || defined(CONFIG_R8A7796) || defined(CONFIG_R8A77965)
+#define CONFIG_SPL_BSS_START_ADDR 0xe633f000
+#define CONFIG_SPL_BSS_MAX_SIZE 0x1000
+#else
+#define CONFIG_SPL_BSS_START_ADDR 0xe631f000
+#define CONFIG_SPL_BSS_MAX_SIZE 0x1000
+#endif
+#define CONFIG_SPL_STACK 0xe6304000
+#define CONFIG_SPL_MAX_SIZE 0x7000
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_CONS_SCIF2
+#define CONFIG_SH_SCIF_CLK_FREQ 65000000
+#endif
+
#endif /* __RCAR_GEN3_COMMON_H */