diff options
Diffstat (limited to 'arch/arm/mach-imx/mx7ulp/soc.c')
-rw-r--r-- | arch/arm/mach-imx/mx7ulp/soc.c | 40 |
1 files changed, 37 insertions, 3 deletions
diff --git a/arch/arm/mach-imx/mx7ulp/soc.c b/arch/arm/mach-imx/mx7ulp/soc.c index c72f0ed3fc..127fcfeea1 100644 --- a/arch/arm/mach-imx/mx7ulp/soc.c +++ b/arch/arm/mach-imx/mx7ulp/soc.c @@ -6,21 +6,25 @@ #include <asm/arch/clock.h> #include <asm/arch/imx-regs.h> #include <asm/arch/sys_proto.h> +#include <asm/mach-imx/boot_mode.h> #include <asm/mach-imx/hab.h> static char *get_reset_cause(char *); -#if defined(CONFIG_SECURE_BOOT) +#if defined(CONFIG_IMX_HAB) struct imx_sec_config_fuse_t const imx_sec_config_fuse = { .bank = 29, .word = 6, }; #endif +#define ROM_VERSION_ADDR 0x80 u32 get_cpu_rev(void) { - /* Temporally hard code the CPU rev to 0x73, rev 1.0. Fix it later */ - return (MXC_CPU_MX7ULP << 12) | (1 << 4); + /* Check the ROM version for cpu revision */ + u32 rom_version = readl((void __iomem *)ROM_VERSION_ADDR); + + return (MXC_CPU_MX7ULP << 12) | (rom_version & 0xFF); } #ifdef CONFIG_REVISION_TAG @@ -105,6 +109,10 @@ void s_init(void) /* clock configuration. */ clock_init(); + if (soc_rev() < CHIP_REV_2_0) { + /* enable dumb pmic */ + writel((readl(SNVS_LP_LPCR) | SNVS_LPCR_DPEN), SNVS_LP_LPCR); + } return; } @@ -244,3 +252,29 @@ int mmc_get_env_dev(void) return board_mmc_get_env_dev(devno); } #endif + +enum boot_device get_boot_device(void) +{ + struct bootrom_sw_info **p = + (struct bootrom_sw_info **)ROM_SW_INFO_ADDR; + + enum boot_device boot_dev = SD1_BOOT; + u8 boot_type = (*p)->boot_dev_type; + u8 boot_instance = (*p)->boot_dev_instance; + + switch (boot_type) { + case BOOT_TYPE_SD: + boot_dev = boot_instance + SD1_BOOT; + break; + case BOOT_TYPE_MMC: + boot_dev = boot_instance + MMC1_BOOT; + break; + case BOOT_TYPE_USB: + boot_dev = USB_BOOT; + break; + default: + break; + } + + return boot_dev; +} |