diff options
| -rw-r--r-- | board/ti/omap5912osk/lowlevel_init.S | 20 | ||||
| -rw-r--r-- | board/ti/omap5912osk/omap5912osk.c | 12 | ||||
| -rw-r--r-- | include/configs/omap5912osk.h | 7 |
3 files changed, 33 insertions, 6 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 diff --git a/board/ti/omap5912osk/omap5912osk.c b/board/ti/omap5912osk/omap5912osk.c index 9e91c5e..9514071 100644 --- a/board/ti/omap5912osk/omap5912osk.c +++ b/board/ti/omap5912osk/omap5912osk.c @@ -66,6 +66,14 @@ int board_init (void) /* adress of boot parameters */ gd->bd->bi_boot_params = 0x10000100; + flash__init(); + ether__init(); + + return 0; +} + +void s_init(void) +{ /* Configure MUX settings */ set_muxconf_regs (); peripheral_power_enable (); @@ -75,10 +83,6 @@ int board_init (void) * ... rkw ... */ icache_enable (); - - flash__init (); - ether__init (); - return 0; } /****************************** diff --git a/include/configs/omap5912osk.h b/include/configs/omap5912osk.h index 40ca9bb..558e933 100644 --- a/include/configs/omap5912osk.h +++ b/include/configs/omap5912osk.h @@ -183,7 +183,10 @@ #define CONFIG_ENV_SIZE 0x20000 /* Total Size of Environment Sector */ #define CONFIG_ENV_OFFSET 0x20000 /* environment starts here */ -#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 -#define CONFIG_SYS_INIT_SP_ADDR PHYS_SRAM +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 +#define CONFIG_SYS_INIT_RAM_ADDR PHYS_SRAM +#define CONFIG_SYS_INIT_RAM_SIZE (250 * 1024) +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ + CONFIG_SYS_INIT_RAM_SIZE) #endif /* __CONFIG_H */ |