226 lines
7.0 KiB
C
226 lines
7.0 KiB
C
/*----------------------------------------------------------------------------+
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| This source code is dual-licensed. You may use it under the terms of
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| the GNU General Public License version 2, or under the license below.
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| This source code has been made available to you by IBM on an AS-IS
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| basis. Anyone receiving this source is licensed under IBM
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| copyrights to use it in any way he or she deems fit, including
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| copying it, modifying it, compiling it, and redistributing it either
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| with or without modifications. No license under IBM patents or
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| patent applications is to be implied by the copyright license.
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| Any user of this software should understand that IBM cannot provide
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| technical support for this software and will not be responsible for
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| any consequences resulting from the use of this software.
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| Any person who transfers this source code or any derivative work
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| must include the IBM copyright notice, this paragraph, and the
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| preceding two paragraphs in the transferred software.
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| COPYRIGHT I B M CORPORATION 1999
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| LICENSED MATERIAL - PROGRAM PROPERTY OF I B M
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+----------------------------------------------------------------------------*/
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#ifndef __PPC4XX_H__
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#define __PPC4XX_H__
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/*
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* Configure which SDRAM/DDR/DDR2 controller is equipped
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*/
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#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_405EP) || \
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defined(CONFIG_AP1000) || defined(CONFIG_ML2)
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#define CONFIG_SDRAM_PPC4xx_IBM_SDRAM /* IBM SDRAM controller */
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#endif
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#if defined(CONFIG_440GP) || defined(CONFIG_440GX) || \
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defined(CONFIG_440EP) || defined(CONFIG_440GR)
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#define CONFIG_SDRAM_PPC4xx_IBM_DDR /* IBM DDR controller */
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#endif
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#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
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#define CONFIG_SDRAM_PPC4xx_DENALI_DDR2 /* Denali DDR(2) controller */
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#endif
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#if defined(CONFIG_405EX) || \
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defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
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defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
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defined(CONFIG_460SX)
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#define CONFIG_SDRAM_PPC4xx_IBM_DDR2 /* IBM DDR(2) controller */
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#endif
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#if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
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defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
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defined(CONFIG_405EZ) || defined(CONFIG_405EX) || \
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defined(CONFIG_460EX) || defined(CONFIG_460GT)
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#define CONFIG_NAND_NDFC
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#endif
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/* PLB4 CrossBar Arbiter Core supported across PPC4xx families */
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#if defined(CONFIG_405EX) || \
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defined(CONFIG_440EP) || defined(CONFIG_440EPX) || \
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defined(CONFIG_440GR) || defined(CONFIG_440GRX) || \
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defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \
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defined(CONFIG_460EX) || defined(CONFIG_460GT) || \
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defined(CONFIG_460SX)
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#define PLB_ARBITER_BASE 0x80
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#define PLB0_ACR (PLB_ARBITER_BASE + 0x01)
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#define PLB0_ACR_PPM_MASK 0xF0000000
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#define PLB0_ACR_PPM_FIXED 0x00000000
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#define PLB0_ACR_PPM_FAIR 0xD0000000
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#define PLB0_ACR_HBU_MASK 0x08000000
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#define PLB0_ACR_HBU_DISABLED 0x00000000
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#define PLB0_ACR_HBU_ENABLED 0x08000000
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#define PLB0_ACR_RDP_MASK 0x06000000
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#define PLB0_ACR_RDP_DISABLED 0x00000000
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#define PLB0_ACR_RDP_2DEEP 0x02000000
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#define PLB0_ACR_RDP_3DEEP 0x04000000
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#define PLB0_ACR_RDP_4DEEP 0x06000000
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#define PLB0_ACR_WRP_MASK 0x01000000
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#define PLB0_ACR_WRP_DISABLED 0x00000000
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#define PLB0_ACR_WRP_2DEEP 0x01000000
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#define PLB1_ACR (PLB_ARBITER_BASE + 0x09)
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#define PLB1_ACR_PPM_MASK 0xF0000000
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#define PLB1_ACR_PPM_FIXED 0x00000000
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#define PLB1_ACR_PPM_FAIR 0xD0000000
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#define PLB1_ACR_HBU_MASK 0x08000000
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#define PLB1_ACR_HBU_DISABLED 0x00000000
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#define PLB1_ACR_HBU_ENABLED 0x08000000
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#define PLB1_ACR_RDP_MASK 0x06000000
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#define PLB1_ACR_RDP_DISABLED 0x00000000
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#define PLB1_ACR_RDP_2DEEP 0x02000000
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#define PLB1_ACR_RDP_3DEEP 0x04000000
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#define PLB1_ACR_RDP_4DEEP 0x06000000
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#define PLB1_ACR_WRP_MASK 0x01000000
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#define PLB1_ACR_WRP_DISABLED 0x00000000
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#define PLB1_ACR_WRP_2DEEP 0x01000000
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#endif /* 440EP/EPX 440GR/GRX 440SP/SPE 460EX/GT/SX 405EX*/
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#if defined(CONFIG_440)
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#include <asm/ppc440.h>
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#else
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#include <asm/ppc405.h>
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#endif
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#include <asm/ppc4xx-sdram.h>
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#include <asm/ppc4xx-ebc.h>
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#if !defined(CONFIG_XILINX_440)
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#include <asm/ppc4xx-uic.h>
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#endif
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/*
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* Macro for generating register field mnemonics
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*/
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#define PPC_REG_BITS 32
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#define PPC_REG_VAL(bit, value) ((value) << ((PPC_REG_BITS - 1) - (bit)))
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/*
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* Elide casts when assembling register mnemonics
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*/
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#ifndef __ASSEMBLY__
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#define static_cast(type, val) (type)(val)
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#else
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#define static_cast(type, val) (val)
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#endif
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/*
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* Common stuff for 4xx (405 and 440)
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*/
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#define EXC_OFF_SYS_RESET 0x0100 /* System reset */
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#define _START_OFFSET (EXC_OFF_SYS_RESET + 0x2000)
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#define RESET_VECTOR 0xfffffffc
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#define CACHELINE_MASK (CONFIG_SYS_CACHELINE_SIZE - 1) /* Address mask for
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cache line aligned data. */
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#define CPR0_DCR_BASE 0x0C
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#define CPR0_CFGADDR (CPR0_DCR_BASE + 0x0)
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#define CPR0_CFGDATA (CPR0_DCR_BASE + 0x1)
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#define SDR_DCR_BASE 0x0E
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#define SDR0_CFGADDR (SDR_DCR_BASE + 0x0)
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#define SDR0_CFGDATA (SDR_DCR_BASE + 0x1)
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#define SDRAM_DCR_BASE 0x10
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#define SDRAM0_CFGADDR (SDRAM_DCR_BASE + 0x0)
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#define SDRAM0_CFGDATA (SDRAM_DCR_BASE + 0x1)
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#define EBC_DCR_BASE 0x12
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#define EBC0_CFGADDR (EBC_DCR_BASE + 0x0)
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#define EBC0_CFGDATA (EBC_DCR_BASE + 0x1)
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/*
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* Macros for indirect DCR access
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*/
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#define mtcpr(reg, d) \
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do { mtdcr(CPR0_CFGADDR, reg); mtdcr(CPR0_CFGDATA, d); } while (0)
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#define mfcpr(reg, d) \
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do { mtdcr(CPR0_CFGADDR, reg); d = mfdcr(CPR0_CFGDATA); } while (0)
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#define mtebc(reg, d) \
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do { mtdcr(EBC0_CFGADDR, reg); mtdcr(EBC0_CFGDATA, d); } while (0)
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#define mfebc(reg, d) \
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do { mtdcr(EBC0_CFGADDR, reg); d = mfdcr(EBC0_CFGDATA); } while (0)
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#define mtsdram(reg, d) \
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do { mtdcr(SDRAM0_CFGADDR, reg); mtdcr(SDRAM0_CFGDATA, d); } while (0)
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#define mfsdram(reg, d) \
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do { mtdcr(SDRAM0_CFGADDR, reg); d = mfdcr(SDRAM0_CFGDATA); } while (0)
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#define mtsdr(reg, d) \
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do { mtdcr(SDR0_CFGADDR, reg); mtdcr(SDR0_CFGDATA, d); } while (0)
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#define mfsdr(reg, d) \
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do { mtdcr(SDR0_CFGADDR, reg); d = mfdcr(SDR0_CFGDATA); } while (0)
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#ifndef __ASSEMBLY__
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typedef struct
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{
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unsigned long freqDDR;
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unsigned long freqEBC;
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unsigned long freqOPB;
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unsigned long freqPCI;
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unsigned long freqPLB;
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unsigned long freqTmrClk;
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unsigned long freqUART;
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unsigned long freqProcessor;
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unsigned long freqVCOHz;
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unsigned long freqVCOMhz; /* in MHz */
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unsigned long pciClkSync; /* PCI clock is synchronous */
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unsigned long pciIntArbEn; /* Internal PCI arbiter is enabled */
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unsigned long pllExtBusDiv;
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unsigned long pllFbkDiv;
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unsigned long pllFwdDiv;
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unsigned long pllFwdDivA;
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unsigned long pllFwdDivB;
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unsigned long pllOpbDiv;
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unsigned long pllPciDiv;
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unsigned long pllPlbDiv;
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} PPC4xx_SYS_INFO;
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static inline u32 get_mcsr(void)
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{
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u32 val;
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asm volatile("mfspr %0, 0x23c" : "=r" (val) :);
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return val;
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}
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static inline void set_mcsr(u32 val)
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{
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asm volatile("mtspr 0x23c, %0" : "=r" (val) :);
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}
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int ppc4xx_pci_sync_clock_config(u32 async);
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#endif /* __ASSEMBLY__ */
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/* for multi-cpu support */
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#define NA_OR_UNKNOWN_CPU -1
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#endif /* __PPC4XX_H__ */
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