From c3d8f1e8e92fd70abb912942300cf44fff9e9d86 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Wed, 10 Jul 2019 20:07:39 +0900 Subject: [PATCH] ARM: uniphier: detect SD boot mode The planned new SoC supports the SD boot mode. Detect and display it. Signed-off-by: Masahiro Yamada --- arch/arm/mach-uniphier/board_late_init.c | 4 ++++ arch/arm/mach-uniphier/boot-device/boot-device.c | 8 ++++++++ 2 files changed, 12 insertions(+) diff --git a/arch/arm/mach-uniphier/board_late_init.c b/arch/arm/mach-uniphier/board_late_init.c index 972dbe8ae5..86b128a91f 100644 --- a/arch/arm/mach-uniphier/board_late_init.c +++ b/arch/arm/mach-uniphier/board_late_init.c @@ -68,6 +68,10 @@ int board_late_init(void) printf("eMMC Boot"); env_set("bootdev", "emmc"); break; + case BOOT_DEVICE_MMC2: + printf("SD Boot"); + env_set("bootdev", "sd"); + break; case BOOT_DEVICE_NAND: printf("NAND Boot"); env_set("bootdev", "nand"); diff --git a/arch/arm/mach-uniphier/boot-device/boot-device.c b/arch/arm/mach-uniphier/boot-device/boot-device.c index 3c2e7b660f..c9dfe13ed9 100644 --- a/arch/arm/mach-uniphier/boot-device/boot-device.c +++ b/arch/arm/mach-uniphier/boot-device/boot-device.c @@ -21,6 +21,7 @@ struct uniphier_boot_device_info { unsigned int boot_device_sel_shift; const struct uniphier_boot_device *boot_device_table; const unsigned int *boot_device_count; + int (*boot_device_is_sd)(u32 pinmon); int (*boot_device_is_usb)(u32 pinmon); unsigned int (*boot_device_fixup)(unsigned int mode); int (*boot_is_swapped)(void); @@ -140,6 +141,9 @@ static unsigned int __uniphier_boot_device_raw( pinmon = readl(SG_PINMON0); + if (info->boot_device_is_sd && info->boot_device_is_sd(pinmon)) + return BOOT_DEVICE_MMC2; + if (info->boot_device_is_usb && info->boot_device_is_usb(pinmon)) return BOOT_DEVICE_USB; @@ -224,6 +228,10 @@ static int do_pinmon(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) pinmon = readl(SG_PINMON0); + if (info->boot_device_is_sd) + printf("SD Boot: %s\n", + info->boot_device_is_sd(pinmon) ? "ON" : "OFF"); + if (info->boot_device_is_usb) printf("USB Boot: %s\n", info->boot_device_is_usb(pinmon) ? "ON" : "OFF"); -- 2.25.1