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Diffstat (limited to 'arch/powerpc/include/asm/ppc4xx.h')
| -rw-r--r-- | arch/powerpc/include/asm/ppc4xx.h | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/ppc4xx.h b/arch/powerpc/include/asm/ppc4xx.h new file mode 100644 index 0000000..ca04bb4 --- /dev/null +++ b/arch/powerpc/include/asm/ppc4xx.h @@ -0,0 +1,225 @@ +/*----------------------------------------------------------------------------+ +| 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) +#include <asm/ppc440.h> +#else +#include <asm/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__ */ |