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integrator: use io-accessors for board init 

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@linaro.org>
utp
Linus Walleij 2011-11-09 06:14:40 +00:00 committed by Albert ARIBAUD
parent a4c15c01bf
commit 7c045d0bfe
1 changed files with 5 additions and 4 deletions
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9
board/armltd/integrator/integrator.c
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@ -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);