diff options
Diffstat (limited to 'arch/powerpc/boot/dcr.h')
| -rw-r--r-- | arch/powerpc/boot/dcr.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/powerpc/boot/dcr.h b/arch/powerpc/boot/dcr.h index f6b793573b96..55655f78505a 100644 --- a/arch/powerpc/boot/dcr.h +++ b/arch/powerpc/boot/dcr.h @@ -160,6 +160,23 @@ static const unsigned long sdram_bxcr[] = { SDRAM0_B0CR, SDRAM0_B1CR, #define DCRN_CPR0_PERD 0x0e0 #define DCRN_CPR0_MALD 0x100 +#define DCRN_SDR0_CONFIG_ADDR 0xe +#define DCRN_SDR0_CONFIG_DATA 0xf + +/* SDR read/write helper macros */ +#define SDR0_READ(offset) ({\ + mtdcr(DCRN_SDR0_CONFIG_ADDR, offset); \ + mfdcr(DCRN_SDR0_CONFIG_DATA); }) +#define SDR0_WRITE(offset, data) ({\ + mtdcr(DCRN_SDR0_CONFIG_ADDR, offset); \ + mtdcr(DCRN_SDR0_CONFIG_DATA, data); }) + +#define DCRN_SDR0_UART0 0x0120 +#define DCRN_SDR0_UART1 0x0121 +#define DCRN_SDR0_UART2 0x0122 +#define DCRN_SDR0_UART3 0x0123 + + /* CPRs read/write helper macros - based off include/asm-ppc/ibm44x.h */ #define DCRN_CPR0_CFGADDR 0xc |