diff options
Diffstat (limited to 'arch/powerpc/boot/dcr.h')
| -rw-r--r-- | arch/powerpc/boot/dcr.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/powerpc/boot/dcr.h b/arch/powerpc/boot/dcr.h index 83b88aa92888..8e7ee2a4298f 100644 --- a/arch/powerpc/boot/dcr.h +++ b/arch/powerpc/boot/dcr.h @@ -14,12 +14,20 @@ #define DCRN_SDRAM0_CFGADDR 0x010 #define DCRN_SDRAM0_CFGDATA 0x011 +#define SDRAM0_READ(offset) ({\ + mtdcr(DCRN_SDRAM0_CFGADDR, offset); \ + mfdcr(DCRN_SDRAM0_CFGDATA); }) +#define SDRAM0_WRITE(offset, data) ({\ + mtdcr(DCRN_SDRAM0_CFGADDR, offset); \ + mtdcr(DCRN_SDRAM0_CFGDATA, data); }) + #define SDRAM0_B0CR 0x40 #define SDRAM0_B1CR 0x44 #define SDRAM0_B2CR 0x48 #define SDRAM0_B3CR 0x4c -static const unsigned long sdram_bxcr[] = { SDRAM0_B0CR, SDRAM0_B1CR, SDRAM0_B2CR, SDRAM0_B3CR }; +static const unsigned long sdram_bxcr[] = { SDRAM0_B0CR, SDRAM0_B1CR, + SDRAM0_B2CR, SDRAM0_B3CR }; #define SDRAM_CONFIG_BANK_ENABLE 0x00000001 #define SDRAM_CONFIG_SIZE_MASK 0x000e0000 |