/*----------------------------------------------------------------------------+ | | This source code has been made available to you by IBM on an AS-IS | basis. Anyone receiving this source is licensed under IBM | copyrights to use it in any way he or she deems fit, including | copying it, modifying it, compiling it, and redistributing it either | with or without modifications. No license under IBM patents or | patent applications is to be implied by the copyright license. | | Any user of this software should understand that IBM cannot provide | technical support for this software and will not be responsible for | any consequences resulting from the use of this software. | | Any person who transfers this source code or any derivative work | must include the IBM copyright notice, this paragraph, and the | preceding two paragraphs in the transferred software. | | COPYRIGHT I B M CORPORATION 1999 | LICENSED MATERIAL - PROGRAM PROPERTY OF I B M +----------------------------------------------------------------------------*/ #ifndef __PPC4XX_H__ #define __PPC4XX_H__ /* * 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__ */