X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fppc4xx.h;h=0a8479f262309438085573b263a1e49114a6c1c0;hb=1a5017601f6d17caedaa2bf069485d3e4155f1c0;hp=ca241d2c13c7bd9a5e1d15c131fe7bcd81d93a17;hpb=02032e8f14751a1a751b09240a4f1cf9f8a2077f;p=platform%2Fkernel%2Fu-boot.git

diff --git a/include/ppc4xx.h b/include/ppc4xx.h
index ca241d2..0a8479f 100644
--- a/include/ppc4xx.h
+++ b/include/ppc4xx.h
@@ -22,8 +22,28 @@
 #ifndef	__PPC4XX_H__
 #define __PPC4XX_H__
 
-#define EXC_OFF_SYS_RESET	0x0100	/* System reset				*/
-#define _START_OFFSET		(EXC_OFF_SYS_RESET + 0x2000)
+/*
+ * Configure which SDRAM/DDR/DDR2 controller is equipped
+ */
+#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_405EP) || \
+	defined(CONFIG_AP1000) || defined(CONFIG_ML2)
+#define CONFIG_SDRAM_PPC4xx_IBM_SDRAM	/* IBM SDRAM controller */
+#endif
+
+#if defined(CONFIG_440GP) || defined(CONFIG_440GX) || \
+    defined(CONFIG_440EP) || defined(CONFIG_440GR)
+#define CONFIG_SDRAM_PPC4xx_IBM_DDR	/* IBM DDR controller */
+#endif
+
+#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
+#define CONFIG_SDRAM_PPC4xx_DENALI_DDR2	/* Denali DDR(2) controller */
+#endif
+
+#if defined(CONFIG_405EX) || \
+    defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
+    defined(CONFIG_460EX) || defined(CONFIG_460GT)
+#define CONFIG_SDRAM_PPC4xx_IBM_DDR2	/* IBM DDR(2) controller */
+#endif
 
 #if defined(CONFIG_440)
 #include <ppc440.h>
@@ -31,4 +51,91 @@
 #include <ppc405.h>
 #endif
 
+#include <asm/ppc4xx-sdram.h>
+
+/*
+ * Macro for generating register field mnemonics
+ */
+#define	PPC_REG_BITS		32
+#define	PPC_REG_VAL(bit, value)	((value) << ((PPC_REG_BITS - 1) - (bit)))
+
+/*
+ * Elide casts when assembling register mnemonics
+ */
+#ifndef __ASSEMBLY__
+#define	static_cast(type, val)	(type)(val)
+#else
+#define	static_cast(type, val)	(val)
+#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__ */