diff options
Diffstat (limited to 'board/samsung/smdk5250/lowlevel_init.S')
| -rw-r--r-- | board/samsung/smdk5250/lowlevel_init.S | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/board/samsung/smdk5250/lowlevel_init.S b/board/samsung/smdk5250/lowlevel_init.S index 2ef520f67..25e2e6881 100644 --- a/board/samsung/smdk5250/lowlevel_init.S +++ b/board/samsung/smdk5250/lowlevel_init.S @@ -102,6 +102,8 @@ first_cpu: cmp r1, r2 /* compare r1, r2 */ beq 1f /* r0 == r1 then skip sdram init */ + bl read_om + /* init system clock */ bl system_clock_init @@ -133,3 +135,24 @@ exit_wakeup: mov pc, r1 nop nop + +read_om: + /* Read booting information */ + ldr r0, =EXYNOS5_POWER_BASE + ldr r1, [r0,#0x0] /*OMR_OFFSET*/ + bic r2, r1, #0xffffffc1 + + /* SD/MMC BOOT */ + cmp r2, #0x4 + moveq r3, #BOOT_MMCSD + + /* eMMC 4.4 BOOT */ + cmp r2, #0x8 + moveq r3, #BOOT_EMMC_4_4 + cmp r2, #0x28 + moveq r3, #BOOT_EMMC_4_4 + + ldr r0, =(EXYNOS5_POWER_BASE + INFORM3_OFFSET) + str r3, [r0] + + mov pc, lr |