/*----------------------------------------------------------------------------+ | This source code is dual-licensed. You may use it under the terms of | the GNU General Public License version 2, or under the license below. | | 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 #if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ defined(CONFIG_405EZ) || defined(CONFIG_405EX) || \ defined(CONFIG_460EX) || defined(CONFIG_460GT) #define CONFIG_NAND_NDFC #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_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 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 #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 CONFIG_SYS_64BIT_VSPRINTF #define CONFIG_SYS_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 (CONFIG_SYS_CACHELINE_SIZE - 1) /* Address mask for cache line aligned data. */ #define CPR0_DCR_BASE 0x0C #define CPR0_CFGADDR (CPR0_DCR_BASE + 0x0) #define CPR0_CFGDATA (CPR0_DCR_BASE + 0x1) #define SDR_DCR_BASE 0x0E #define SDR0_CFGADDR (SDR_DCR_BASE + 0x0) #define SDR0_CFGDATA (SDR_DCR_BASE + 0x1) #define SDRAM_DCR_BASE 0x10 #define SDRAM0_CFGADDR (SDRAM_DCR_BASE + 0x0) #define SDRAM0_CFGDATA (SDRAM_DCR_BASE + 0x1) #define EBC_DCR_BASE 0x12 #define EBC0_CFGADDR (EBC_DCR_BASE + 0x0) #define EBC0_CFGDATA (EBC_DCR_BASE + 0x1) /* * Macros for indirect DCR access */ #define mtcpr(reg, d) \ do { mtdcr(CPR0_CFGADDR, reg); mtdcr(CPR0_CFGDATA, d); } while (0) #define mfcpr(reg, d) \ do { mtdcr(CPR0_CFGADDR, reg); d = mfdcr(CPR0_CFGDATA); } while (0) #define mtebc(reg, d) \ do { mtdcr(EBC0_CFGADDR, reg); mtdcr(EBC0_CFGDATA, d); } while (0) #define mfebc(reg, d) \ do { mtdcr(EBC0_CFGADDR, reg); d = mfdcr(EBC0_CFGDATA); } while (0) #define mtsdram(reg, d) \ do { mtdcr(SDRAM0_CFGADDR, reg); mtdcr(SDRAM0_CFGDATA, d); } while (0) #define mfsdram(reg, d) \ do { mtdcr(SDRAM0_CFGADDR, reg); d = mfdcr(SDRAM0_CFGDATA); } while (0) #define mtsdr(reg, d) \ do { mtdcr(SDR0_CFGADDR, reg); mtdcr(SDR0_CFGDATA, d); } while (0) #define mfsdr(reg, d) \ do { mtdcr(SDR0_CFGADDR, reg); d = mfdcr(SDR0_CFGDATA); } 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) :); } int ppc4xx_pci_sync_clock_config(u32 async); #endif /* __ASSEMBLY__ */ /* for multi-cpu support */ #define NA_OR_UNKNOWN_CPU -1 #endif /* __PPC4XX_H__ */