summaryrefslogtreecommitdiff
path: root/arch/arm/mach-imx/mx7ulp/soc.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-imx/mx7ulp/soc.c')
-rw-r--r--arch/arm/mach-imx/mx7ulp/soc.c40
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;
+}