start.S: remove omap3 specific code from start.S

Cc: Tom Rini <trini@ti.com>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Signed-off-by: Aneesh V <aneesh@ti.com>
Acked-by: Tom Rini <trini@ti.com>
This commit is contained in:
Aneesh V 2011-11-21 23:34:01 +00:00 committed by Albert ARIBAUD
parent a8c686399f
commit e4fce34e7a
3 changed files with 9 additions and 23 deletions

View File

@ -216,6 +216,14 @@ lowlevel_init:
ldr sp, SRAM_STACK
str ip, [sp] /* stash old link register */
mov ip, lr /* save link reg across call */
#if !defined(CONFIG_SYS_NAND_BOOT) && !defined(CONFIG_SYS_ONENAND_BOOT)
/*
* No need to copy/exec the clock code - DPLL adjust already done
* in NAND/oneNAND Boot.
*/
ldr r1, =SRAM_CLK_CODE
bl cpy_clk_code
#endif /* NAND Boot */
bl s_init /* go setup pll, mux, memory */
ldr ip, [sp] /* restore save ip */
mov lr, ip /* restore link reg */

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@ -160,29 +160,6 @@ reset:
mcr p15, 0, r0, c12, c0, 0 @Set VBAR
#endif
#if defined(CONFIG_OMAP34XX)
/* Copy vectors to mask ROM indirect addr */
adr r0, _start @ r0 <- current position of code
add r0, r0, #4 @ skip reset vector
mov r2, #64 @ r2 <- size to copy
add r2, r0, r2 @ r2 <- source end address
mov r1, #SRAM_OFFSET0 @ build vect addr
mov r3, #SRAM_OFFSET1
add r1, r1, r3
mov r3, #SRAM_OFFSET2
add r1, r1, r3
next:
ldmia r0!, {r3 - r10} @ copy from source address [r0]
stmia r1!, {r3 - r10} @ copy to target address [r1]
cmp r0, r2 @ until source end address [r2]
bne next @ loop until equal */
#if !defined(CONFIG_SYS_NAND_BOOT) && !defined(CONFIG_SYS_ONENAND_BOOT)
/* No need to copy/exec the clock code - DPLL adjust already done
* in NAND/oneNAND Boot.
*/
bl cpy_clk_code @ put dpll adjust code behind vectors
#endif /* NAND Boot */
#endif
/* the mask ROM code should have PLL and others stable */
#ifndef CONFIG_SKIP_LOWLEVEL_INIT
bl cpu_init_crit

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@ -153,6 +153,7 @@ struct gpio {
#define SRAM_OFFSET2 0x0000F800
#define SRAM_VECT_CODE (SRAM_OFFSET0 | SRAM_OFFSET1 | \
SRAM_OFFSET2)
#define SRAM_CLK_CODE (SRAM_VECT_CODE + 64)
#define OMAP3_PUBLIC_SRAM_BASE 0x40208000 /* Works for GP & EMU */
#define OMAP3_PUBLIC_SRAM_END 0x40210000