aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/boot/dcr.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/boot/dcr.h')
-rw-r--r--arch/powerpc/boot/dcr.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/powerpc/boot/dcr.h b/arch/powerpc/boot/dcr.h
index f6b793573b9..55655f78505 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