[U-Boot] [PATCH 4/7 v2] integrator: use io-accessors for board init
Linus Walleij
linus.walleij at linaro.org
Mon Oct 24 09:02:10 CEST 2011
Casting around to *(volatile ulong *) doesn't look good, so include
the <asm/io.h> macros and use good old readl() instead.
Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
---
ChangeLog v1->v2:
- Rebased to U-Boot ARM HEAD at Alberts request, see message
4EA1C8E7.7090105 at aribaud.net
---
board/armltd/integrator/integrator.c | 9 +++++----
1 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/board/armltd/integrator/integrator.c b/board/armltd/integrator/integrator.c
index 83f047c..780218c 100644
--- a/board/armltd/integrator/integrator.c
+++ b/board/armltd/integrator/integrator.c
@@ -35,6 +35,7 @@
#include <common.h>
#include <netdev.h>
+#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -101,15 +102,15 @@ int dram_init (void)
#ifdef CONFIG_CM_SPD_DETECT
{
extern void dram_query(void);
- unsigned long cm_reg_sdram;
- unsigned long sdram_shift;
+ u32 cm_reg_sdram;
+ u32 sdram_shift;
dram_query(); /* Assembler accesses to CM registers */
/* Queries the SPD values */
/* Obtain the SDRAM size from the CM SDRAM register */
- cm_reg_sdram = *(volatile ulong *)(CM_BASE + OS_SDRAM);
+ cm_reg_sdram = readl(CM_BASE + OS_SDRAM);
/* Register SDRAM size
*
* 0xXXXXXXbbb000bb 16 MB
@@ -119,7 +120,7 @@ extern void dram_query(void);
* 0xXXXXXXbbb100bb 256 MB
*
*/
- sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4;
+ sdram_shift = ((cm_reg_sdram & 0x0000001C)/4)%4;
gd->ram_size = get_ram_size((long *) CONFIG_SYS_SDRAM_BASE +
REMAPPED_FLASH_SZ,
0x01000000 << sdram_shift);
--
1.7.6.4
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