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Moved board specific values in config file

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The lowlevel_init file contained some hard-coded values
to setup the RAM. These board related values are moved into
the board configuration file.

Signed-off-by: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Stefano Babic 2010-03-28 13:43:26 +02:00 committed by trix
parent 2720178533
commit 5e1fe88fe3
2 changed files with 7 additions and 1 deletions
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5
arch/arm/cpu/arm_cortexa8/mx51/lowlevel_init.S
View File

@ -158,6 +158,7 @@
/* Switch peripheral to PLL 3 */ /* Switch peripheral to PLL 3 */
ldr r0, =CCM_BASE_ADDR ldr r0, =CCM_BASE_ADDR
ldr r1, =0x000010C0 ldr r1, =0x000010C0
orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
str r1, [r0, #CLKCTL_CBCMR] str r1, [r0, #CLKCTL_CBCMR]
ldr r1, =0x13239145 ldr r1, =0x13239145
str r1, [r0, #CLKCTL_CBCDR] str r1, [r0, #CLKCTL_CBCDR]
@ -171,6 +172,7 @@
ldr r1, =0x19239145 ldr r1, =0x19239145
str r1, [r0, #CLKCTL_CBCDR] str r1, [r0, #CLKCTL_CBCDR]
ldr r1, =0x000020C0 ldr r1, =0x000020C0
orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
str r1, [r0, #CLKCTL_CBCMR] str r1, [r0, #CLKCTL_CBCMR]
mov r3, #DP_OP_216 mov r3, #DP_OP_216
@ -201,9 +203,10 @@
/* setup the rest */ /* setup the rest */
/* Use lp_apm (24MHz) source for perclk */ /* Use lp_apm (24MHz) source for perclk */
ldr r1, =0x000020C2 ldr r1, =0x000020C2
orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
str r1, [r0, #CLKCTL_CBCMR] str r1, [r0, #CLKCTL_CBCMR]
/* ddr clock from PLL 1, all perclk dividers are 1 since using 24MHz */ /* ddr clock from PLL 1, all perclk dividers are 1 since using 24MHz */
ldr r1, =0x59E35100 ldr r1, =CONFIG_SYS_CLKTL_CBCDR
str r1, [r0, #CLKCTL_CBCDR] str r1, [r0, #CLKCTL_CBCDR]
/* Restore the default values in the Gate registers */ /* Restore the default values in the Gate registers */

3
include/configs/mx51evk.h
View File

@ -160,6 +160,9 @@
#define PHYS_SDRAM_1 CSD0_BASE_ADDR #define PHYS_SDRAM_1 CSD0_BASE_ADDR
#define PHYS_SDRAM_1_SIZE (512 * 1024 * 1024) #define PHYS_SDRAM_1_SIZE (512 * 1024 * 1024)
#define CONFIG_SYS_DDR_CLKSEL 0
#define CONFIG_SYS_CLKTL_CBCDR 0x59E35100
/*----------------------------------------------------------------------- /*-----------------------------------------------------------------------
* FLASH and environment organization * FLASH and environment organization
*/ */