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-rw-r--r--board/ti/omap5912osk/lowlevel_init.S20
1 files changed, 20 insertions, 0 deletions
diff --git a/board/ti/omap5912osk/lowlevel_init.S b/board/ti/omap5912osk/lowlevel_init.S
index e60161e..ca7361e 100644
--- a/board/ti/omap5912osk/lowlevel_init.S
+++ b/board/ti/omap5912osk/lowlevel_init.S
@@ -306,6 +306,23 @@ common_tc:
ldr r1, VAL_MPU_CNTL_TIMER
str r1, [r0]
+ /*
+ * Setup a temporary stack
+ */
+ ldr sp, SRAM_STACK
+ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
+
+ /*
+ * Save the old lr(passed in ip) and the current lr to stack
+ */
+ push {ip, lr}
+
+ /*
+ * go setup pll, mux, memory
+ */
+ bl s_init
+ pop {ip, pc}
+
/* back to arch calling code */
mov pc, lr
@@ -470,6 +487,9 @@ VAL_ARM_IDLECT2:
VAL_ARM_IDLECT3:
.word 0x00000015
+SRAM_STACK:
+ .word CONFIG_SYS_INIT_SP_ADDR
+
/* command values */
.equ CMD_SDRAM_NOP, 0x00000000
.equ CMD_SDRAM_PRECHARGE, 0x00000001