Export device nodes needed for eMMC boot (eMMC node, pinctrl, and clock) to the SPL DTB. CONFIG_SUPPORT_EMMC_BOOT is also necessary to use "mmc partconf" command.
Signed-off-by: Masahiro Yamada yamada.masahiro@socionext.com ---
arch/arm/dts/uniphier-ph1-pro4-sanji.dts | 12 ++++++++++++ arch/arm/dts/uniphier-proxstream2-gentil.dts | 12 ++++++++++++ arch/arm/dts/uniphier-proxstream2-vodka.dts | 12 ++++++++++++ arch/arm/mach-uniphier/boot-mode/boot-mode.c | 25 +++++++++++++++++++++++++ include/configs/uniphier.h | 3 +++ 5 files changed, 64 insertions(+)
diff --git a/arch/arm/dts/uniphier-ph1-pro4-sanji.dts b/arch/arm/dts/uniphier-ph1-pro4-sanji.dts index 1ca1042..82e2bd0 100644 --- a/arch/arm/dts/uniphier-ph1-pro4-sanji.dts +++ b/arch/arm/dts/uniphier-ph1-pro4-sanji.dts @@ -95,6 +95,14 @@ u-boot,dm-pre-reloc; };
+&mio { + u-boot,dm-pre-reloc; +}; + +&emmc { + u-boot,dm-pre-reloc; +}; + &pinctrl { u-boot,dm-pre-reloc; }; @@ -102,3 +110,7 @@ &pinctrl_uart0 { u-boot,dm-pre-reloc; }; + +&pinctrl_emmc { + u-boot,dm-pre-reloc; +}; diff --git a/arch/arm/dts/uniphier-proxstream2-gentil.dts b/arch/arm/dts/uniphier-proxstream2-gentil.dts index c3551fe..eb1d2bc 100644 --- a/arch/arm/dts/uniphier-proxstream2-gentil.dts +++ b/arch/arm/dts/uniphier-proxstream2-gentil.dts @@ -75,6 +75,14 @@ u-boot,dm-pre-reloc; };
+&mio { + u-boot,dm-pre-reloc; +}; + +&emmc { + u-boot,dm-pre-reloc; +}; + &pinctrl { u-boot,dm-pre-reloc; }; @@ -82,3 +90,7 @@ &pinctrl_uart2 { u-boot,dm-pre-reloc; }; + +&pinctrl_emmc { + u-boot,dm-pre-reloc; +}; diff --git a/arch/arm/dts/uniphier-proxstream2-vodka.dts b/arch/arm/dts/uniphier-proxstream2-vodka.dts index d61e0b6..e7d5db8 100644 --- a/arch/arm/dts/uniphier-proxstream2-vodka.dts +++ b/arch/arm/dts/uniphier-proxstream2-vodka.dts @@ -60,6 +60,14 @@ u-boot,dm-pre-reloc; };
+&mio { + u-boot,dm-pre-reloc; +}; + +&emmc { + u-boot,dm-pre-reloc; +}; + &pinctrl { u-boot,dm-pre-reloc; }; @@ -67,3 +75,7 @@ &pinctrl_uart2 { u-boot,dm-pre-reloc; }; + +&pinctrl_emmc { + u-boot,dm-pre-reloc; +}; diff --git a/arch/arm/mach-uniphier/boot-mode/boot-mode.c b/arch/arm/mach-uniphier/boot-mode/boot-mode.c index 935e551..2f2e45d 100644 --- a/arch/arm/mach-uniphier/boot-mode/boot-mode.c +++ b/arch/arm/mach-uniphier/boot-mode/boot-mode.c @@ -5,6 +5,7 @@ */
#include <common.h> +#include <mmc.h> #include <spl.h>
#include "../sbc/sbc-regs.h" @@ -52,3 +53,27 @@ u32 spl_boot_device(void)
return ret == BOOT_DEVICE_USB ? BOOT_DEVICE_NOR : ret; } + +u32 spl_boot_mode(void) +{ + struct mmc *mmc; + + /* + * work around a bug in the Boot ROM of PH1-sLD3, LD4, Pro4, and sLD8: + * + * The boot ROM in these SoCs breaks the PARTITION_CONFIG [179] of + * Extended CSD register; when switching to the Boot Partition 1, the + * Boot ROM should issue the SWITCH command (CMD6) with Set Bits for + * the Access Bits, but in fact it uses Write Byte for the Access Bits. + * As a result, the BOOT_PARTITION_ENABLE field of the PARTITION_CONFIG + * is lost. This bug was fixed for PH1-Pro5 and later SoCs. + * + * Fixup mmc->part_config here because it is used to determine the + * partition which the U-Boot image is read from. + */ + mmc = find_mmc_device(0); + mmc->part_config &= ~EXT_CSD_BOOT_PART_NUM(PART_ACCESS_MASK); + mmc->part_config |= EXT_CSD_BOOT_PARTITION_ENABLE; + + return MMCSD_MODE_EMMCBOOT; +} diff --git a/include/configs/uniphier.h b/include/configs/uniphier.h index 9d14155..19dbfbb 100644 --- a/include/configs/uniphier.h +++ b/include/configs/uniphier.h @@ -148,6 +148,7 @@
/* SD/MMC */ #define CONFIG_CMD_MMC +#define CONFIG_SUPPORT_EMMC_BOOT #define CONFIG_GENERIC_MMC
/* memtest works on */ @@ -263,6 +264,7 @@ #define CONFIG_SPL_FRAMEWORK #define CONFIG_SPL_SERIAL_SUPPORT #define CONFIG_SPL_NAND_SUPPORT +#define CONFIG_SPL_MMC_SUPPORT
#define CONFIG_SPL_LIBCOMMON_SUPPORT /* for mem_malloc_init */ #define CONFIG_SPL_LIBGENERIC_SUPPORT @@ -270,6 +272,7 @@ #define CONFIG_SPL_BOARD_INIT
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x10000 +#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x80
#define CONFIG_SPL_MAX_FOOTPRINT 0x10000