Add get_boot_device for i.MX7ULP
Signed-off-by: Peng Fan peng.fan@nxp.com --- arch/arm/include/asm/arch-mx7ulp/imx-regs.h | 13 +++++++++++++ arch/arm/include/asm/arch-mx7ulp/sys_proto.h | 1 + arch/arm/mach-imx/mx7ulp/soc.c | 27 +++++++++++++++++++++++++++ 3 files changed, 41 insertions(+)
diff --git a/arch/arm/include/asm/arch-mx7ulp/imx-regs.h b/arch/arm/include/asm/arch-mx7ulp/imx-regs.h index 63b02de087..d58ed43199 100644 --- a/arch/arm/include/asm/arch-mx7ulp/imx-regs.h +++ b/arch/arm/include/asm/arch-mx7ulp/imx-regs.h @@ -10,6 +10,8 @@
#define ARCH_MXC
+#define ROM_SW_INFO_ADDR 0x000001E8 + #define CAAM_SEC_SRAM_BASE (0x26000000) #define CAAM_SEC_SRAM_SIZE (SZ_32K) #define CAAM_SEC_SRAM_END (CAAM_SEC_SRAM_BASE + CAAM_SEC_SRAM_SIZE - 1) @@ -1112,6 +1114,17 @@ struct usbphy_regs { u32 usb1_pfda_ctrl1_tog; /* 0x14c */ };
+struct bootrom_sw_info { + u8 reserved_1; + u8 boot_dev_instance; + u8 boot_dev_type; + u8 reserved_2; + u32 core_freq; + u32 axi_freq; + u32 ddr_freq; + u32 rom_tick_freq; + u32 reserved_3[3]; +};
#define is_boot_from_usb(void) (!(readl(USB_PHY0_BASE_ADDR) & (1<<20))) #define disconnect_from_pc(void) writel(0x0, USBOTG0_RBASE + 0x140) diff --git a/arch/arm/include/asm/arch-mx7ulp/sys_proto.h b/arch/arm/include/asm/arch-mx7ulp/sys_proto.h index 6ecde7db93..0e4c8ad15d 100644 --- a/arch/arm/include/asm/arch-mx7ulp/sys_proto.h +++ b/arch/arm/include/asm/arch-mx7ulp/sys_proto.h @@ -17,4 +17,5 @@ enum bt_mode { SINGLE_BOOT /* LP_BT = 0, DUAL_BT = 0 */ };
+enum boot_device get_boot_device(void); #endif diff --git a/arch/arm/mach-imx/mx7ulp/soc.c b/arch/arm/mach-imx/mx7ulp/soc.c index c72f0ed3fc..6015c11869 100644 --- a/arch/arm/mach-imx/mx7ulp/soc.c +++ b/arch/arm/mach-imx/mx7ulp/soc.c @@ -6,6 +6,7 @@ #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 *); @@ -244,3 +245,29 @@ 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; +}