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-rw-r--r--include/ppc4xx.h73
1 files changed, 70 insertions, 3 deletions
diff --git a/include/ppc4xx.h b/include/ppc4xx.h
index ca241d2..76fe872 100644
--- a/include/ppc4xx.h
+++ b/include/ppc4xx.h
@@ -22,13 +22,80 @@
#ifndef __PPC4XX_H__
#define __PPC4XX_H__
-#define EXC_OFF_SYS_RESET 0x0100 /* System reset */
-#define _START_OFFSET (EXC_OFF_SYS_RESET + 0x2000)
-
#if defined(CONFIG_440)
#include <ppc440.h>
#else
#include <ppc405.h>
#endif
+/*
+ * Common stuff for 4xx (405 and 440)
+ */
+
+#define EXC_OFF_SYS_RESET 0x0100 /* System reset */
+#define _START_OFFSET (EXC_OFF_SYS_RESET + 0x2000)
+
+#define RESET_VECTOR 0xfffffffc
+#define CACHELINE_MASK (CFG_CACHELINE_SIZE - 1) /* Address mask for cache
+ line aligned data. */
+
+#define CPR0_DCR_BASE 0x0C
+#define cprcfga (CPR0_DCR_BASE+0x0)
+#define cprcfgd (CPR0_DCR_BASE+0x1)
+
+#define SDR_DCR_BASE 0x0E
+#define sdrcfga (SDR_DCR_BASE+0x0)
+#define sdrcfgd (SDR_DCR_BASE+0x1)
+
+#define SDRAM_DCR_BASE 0x10
+#define memcfga (SDRAM_DCR_BASE+0x0)
+#define memcfgd (SDRAM_DCR_BASE+0x1)
+
+#define EBC_DCR_BASE 0x12
+#define ebccfga (EBC_DCR_BASE+0x0)
+#define ebccfgd (EBC_DCR_BASE+0x1)
+
+/*
+ * Macros for indirect DCR access
+ */
+#define mtcpr(reg, d) do { mtdcr(cprcfga,reg);mtdcr(cprcfgd,d); } while (0)
+#define mfcpr(reg, d) do { mtdcr(cprcfga,reg);d = mfdcr(cprcfgd); } while (0)
+
+#define mtebc(reg, d) do { mtdcr(ebccfga,reg);mtdcr(ebccfgd,d); } while (0)
+#define mfebc(reg, d) do { mtdcr(ebccfga,reg);d = mfdcr(ebccfgd); } while (0)
+
+#define mtsdram(reg, d) do { mtdcr(memcfga,reg);mtdcr(memcfgd,d); } while (0)
+#define mfsdram(reg, d) do { mtdcr(memcfga,reg);d = mfdcr(memcfgd); } while (0)
+
+#define mtsdr(reg, d) do { mtdcr(sdrcfga,reg);mtdcr(sdrcfgd,d); } while (0)
+#define mfsdr(reg, d) do { mtdcr(sdrcfga,reg);d = mfdcr(sdrcfgd); } while (0)
+
+#ifndef __ASSEMBLY__
+
+typedef struct
+{
+ unsigned long freqDDR;
+ unsigned long freqEBC;
+ unsigned long freqOPB;
+ unsigned long freqPCI;
+ unsigned long freqPLB;
+ unsigned long freqTmrClk;
+ unsigned long freqUART;
+ unsigned long freqProcessor;
+ unsigned long freqVCOHz;
+ unsigned long freqVCOMhz; /* in MHz */
+ unsigned long pciClkSync; /* PCI clock is synchronous */
+ unsigned long pciIntArbEn; /* Internal PCI arbiter is enabled */
+ unsigned long pllExtBusDiv;
+ unsigned long pllFbkDiv;
+ unsigned long pllFwdDiv;
+ unsigned long pllFwdDivA;
+ unsigned long pllFwdDivB;
+ unsigned long pllOpbDiv;
+ unsigned long pllPciDiv;
+ unsigned long pllPlbDiv;
+} PPC4xx_SYS_INFO;
+
+#endif /* __ASSEMBLY__ */
+
#endif /* __PPC4XX_H__ */