ppc4xx: Add mtcpr/mfcpr access macros
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/include/ppc440.h b/include/ppc440.h
index bc1d7aa..07f75de 100644
--- a/include/ppc440.h
+++ b/include/ppc440.h
@@ -1425,9 +1425,6 @@
/*----------------------------------------------------------------------------+
| Clock / Power-on-reset DCR's.
+----------------------------------------------------------------------------*/
-#define CPR0_CFGADDR 0x00C
-#define CPR0_CFGDATA 0x00D
-
#define CPR0_CLKUPD 0x20
#define CPR0_CLKUPD_BSY_MASK 0x80000000
#define CPR0_CLKUPD_BSY_COMPLETED 0x00000000
@@ -3314,6 +3311,23 @@
#define mtsdr(reg, data) do { mtdcr(sdrcfga,reg);mtdcr(sdrcfgd,data); } while (0)
#define mfsdr(reg, data) do { mtdcr(sdrcfga,reg);data = mfdcr(sdrcfgd); } while (0)
+/*
+ * All 44x except 440GP have CPR registers (indirect DCR)
+ */
+#if !defined(CONFIG_440GP)
+#define CPR0_CFGADDR 0x00C
+#define CPR0_CFGDATA 0x00D
+
+#define mtcpr(reg, data) do { \
+ mtdcr(CPR0_CFGADDR, reg); \
+ mtdcr(CPR0_CFGDATA, data); \
+ } while (0)
+
+#define mfcpr(reg, data) do { \
+ mtdcr(CPR0_CFGADDR, reg); \
+ data = mfdcr(CPR0_CFGDATA); \
+ } while (0)
+#endif
#ifndef __ASSEMBLY__