[U-Boot] [PATCH V2] Moved board specific values in config file

Stefano Babic sbabic at denx.de
Sun Mar 28 13:43:26 CEST 2010


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 at denx.de>
---
 cpu/arm_cortexa8/mx51/lowlevel_init.S |    5 ++++-
 include/configs/mx51evk.h             |    3 +++
 2 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/cpu/arm_cortexa8/mx51/lowlevel_init.S b/cpu/arm_cortexa8/mx51/lowlevel_init.S
index 31af9e2..783c81f 100644
--- a/cpu/arm_cortexa8/mx51/lowlevel_init.S
+++ b/cpu/arm_cortexa8/mx51/lowlevel_init.S
@@ -158,6 +158,7 @@
 	/* Switch peripheral to PLL 3 */
 	ldr r0, =CCM_BASE_ADDR
 	ldr r1, =0x000010C0
+	orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
 	str r1, [r0, #CLKCTL_CBCMR]
 	ldr r1, =0x13239145
 	str r1, [r0, #CLKCTL_CBCDR]
@@ -171,6 +172,7 @@
 	ldr r1, =0x19239145
 	str r1, [r0, #CLKCTL_CBCDR]
 	ldr r1, =0x000020C0
+	orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
 	str r1, [r0, #CLKCTL_CBCMR]
 
 	mov r3, #DP_OP_216
@@ -201,9 +203,10 @@
 	/* setup the rest */
 	/* Use lp_apm (24MHz) source for perclk */
 	ldr r1, =0x000020C2
+	orr r1,r1,#CONFIG_SYS_DDR_CLKSEL
 	str r1, [r0, #CLKCTL_CBCMR]
 	/* 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]
 
 	/* Restore the default values in the Gate registers */
diff --git a/include/configs/mx51evk.h b/include/configs/mx51evk.h
index e2daeca..5096ab7 100644
--- a/include/configs/mx51evk.h
+++ b/include/configs/mx51evk.h
@@ -177,6 +177,9 @@
 #define PHYS_SDRAM_1		CSD0_BASE_ADDR
 #define PHYS_SDRAM_1_SIZE	(512 * 1024 * 1024)
 
+#define CONFIG_SYS_DDR_CLKSEL	0
+#define CONFIG_SYS_CLKTL_CBCDR	0x59E35100
+
 /*-----------------------------------------------------------------------
  * FLASH and environment organization
  */
-- 
1.6.3.3



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