#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) || \
+ defined(CONFIG_460SX)
+#define CONFIG_SDRAM_PPC4xx_IBM_DDR2 /* IBM DDR(2) controller */
+#endif
+
+/* PLB4 CrossBar Arbiter Core supported across PPC4xx families */
+#if defined(CONFIG_405EX) || \
+ defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
+ defined(CONFIG_440GR) || defined(CONFIG_440GRX) || \
+ defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
+ defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
+ defined(CONFIG_460SX)
+
+#define PLB_ARBITER_BASE 0x80
+
+#define plb0_revid (PLB_ARBITER_BASE + 0x00)
+#define plb0_acr (PLB_ARBITER_BASE + 0x01)
+#define plb0_acr_ppm_mask 0xF0000000
+#define plb0_acr_ppm_fixed 0x00000000
+#define plb0_acr_ppm_fair 0xD0000000
+#define plb0_acr_hbu_mask 0x08000000
+#define plb0_acr_hbu_disabled 0x00000000
+#define plb0_acr_hbu_enabled 0x08000000
+#define plb0_acr_rdp_mask 0x06000000
+#define plb0_acr_rdp_disabled 0x00000000
+#define plb0_acr_rdp_2deep 0x02000000
+#define plb0_acr_rdp_3deep 0x04000000
+#define plb0_acr_rdp_4deep 0x06000000
+#define plb0_acr_wrp_mask 0x01000000
+#define plb0_acr_wrp_disabled 0x00000000
+#define plb0_acr_wrp_2deep 0x01000000
+
+#define plb0_besrl (PLB_ARBITER_BASE + 0x02)
+#define plb0_besrh (PLB_ARBITER_BASE + 0x03)
+#define plb0_bearl (PLB_ARBITER_BASE + 0x04)
+#define plb0_bearh (PLB_ARBITER_BASE + 0x05)
+#define plb0_ccr (PLB_ARBITER_BASE + 0x08)
+
+#define plb1_acr (PLB_ARBITER_BASE + 0x09)
+#define plb1_acr_ppm_mask 0xF0000000
+#define plb1_acr_ppm_fixed 0x00000000
+#define plb1_acr_ppm_fair 0xD0000000
+#define plb1_acr_hbu_mask 0x08000000
+#define plb1_acr_hbu_disabled 0x00000000
+#define plb1_acr_hbu_enabled 0x08000000
+#define plb1_acr_rdp_mask 0x06000000
+#define plb1_acr_rdp_disabled 0x00000000
+#define plb1_acr_rdp_2deep 0x02000000
+#define plb1_acr_rdp_3deep 0x04000000
+#define plb1_acr_rdp_4deep 0x06000000
+#define plb1_acr_wrp_mask 0x01000000
+#define plb1_acr_wrp_disabled 0x00000000
+#define plb1_acr_wrp_2deep 0x01000000
+
+#define plb1_besrl (PLB_ARBITER_BASE + 0x0A)
+#define plb1_besrh (PLB_ARBITER_BASE + 0x0B)
+#define plb1_bearl (PLB_ARBITER_BASE + 0x0C)
+#define plb1_bearh (PLB_ARBITER_BASE + 0x0D)
+
+#endif /* 440EP/EPX 440GR/GRX 440SP/SPE 460EX/GT/SX 405EX*/
#if defined(CONFIG_440)
+/*
+ * Enable long long (%ll ...) printf format on 440 PPC's since most of
+ * them support 36bit physical addressing
+ */
+#define CFG_64BIT_VSPRINTF
+#define CFG_64BIT_STRTOUL
#include <ppc440.h>
#else
#include <ppc405.h>
#endif
+#include <asm/ppc4xx-sdram.h>
+#include <asm/ppc4xx-ebc.h>
+#if !defined(CONFIG_XILINX_440)
+#include <asm/ppc4xx-uic.h>
+#endif
+
+/*
+ * 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;
+
+static inline u32 get_mcsr(void)
+{
+ u32 val;
+
+ asm volatile("mfspr %0, 0x23c" : "=r" (val) :);
+ return val;
+}
+
+static inline void set_mcsr(u32 val)
+{
+ asm volatile("mtspr 0x23c, %0" : "=r" (val) :);
+}
+
+#endif /* __ASSEMBLY__ */
+
#endif /* __PPC4XX_H__ */
projects / karo-tx-uboot.git / blobdiff