diff options
Diffstat (limited to 'board/ti/omap5912osk')
| -rw-r--r-- | board/ti/omap5912osk/config.mk | 12 | ||||
| -rw-r--r-- | board/ti/omap5912osk/lowlevel_init.S | 20 | ||||
| -rw-r--r-- | board/ti/omap5912osk/omap5912osk.c | 23 |
3 files changed, 42 insertions, 13 deletions
diff --git a/board/ti/omap5912osk/config.mk b/board/ti/omap5912osk/config.mk index 0ed7d8a..5b8d952 100644 --- a/board/ti/omap5912osk/config.mk +++ b/board/ti/omap5912osk/config.mk @@ -14,17 +14,17 @@ # TI OSK board with OMAP5912 (ARM925EJS) cpu # see http://www.ti.com/ for more information on Texas Instruments # -# OSK has 1 bank of 256 MB SDRAM +# OSK has 1 bank of 32 MB SDRAM # Physical Address: -# 1000'0000 to 2000'0000 +# 1000'0000 to 1200'0000 # # # Linux-Kernel is expected to be at 1000'8000, entry 1000'8000 # (mem base + reserved) # -# we load ourself to 1108'0000 +# When running from RAM use address 1108'0000, otherwise when +# booting from NOR flash link to address 0000'0000. # -# - -CONFIG_SYS_TEXT_BASE = 0x11080000 +CONFIG_SYS_TEXT_BASE = 0x00000000 +#CONFIG_SYS_TEXT_BASE = 0x11080000 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 fac683a..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; } /****************************** @@ -128,14 +132,19 @@ void ether__init (void) Routine: Description: ******************************/ -int dram_init (void) +int dram_init(void) { - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE); return 0; } +void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; +} + /****************************************************** Routine: set_muxconf_regs Description: Setting up the configuration Mux registers |