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|
/*----------------------------------------------------------------------------+
|
| 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__ */
|
