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|
/*----------------------------------------------------------------------------+
| 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__
/*
* Include SoC specific headers
*/
#if defined(CONFIG_405CR)
#include <asm/ppc405cr.h>
#endif
#if defined(CONFIG_405EP)
#include <asm/ppc405ep.h>
#endif
#if defined(CONFIG_405EX)
#include <asm/ppc405ex.h>
#endif
#if defined(CONFIG_405EZ)
#include <asm/ppc405ez.h>
#endif
#if defined(CONFIG_405GP)
#include <asm/ppc405gp.h>
#endif
#if defined(CONFIG_440EP) || defined(CONFIG_440GR)
#include <asm/ppc440ep_gr.h>
#endif
#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
#include <asm/ppc440epx_grx.h>
#endif
#if defined(CONFIG_440GP)
#include <asm/ppc440gp.h>
#endif
#if defined(CONFIG_440GX)
#include <asm/ppc440gx.h>
#endif
#if defined(CONFIG_440SP)
#include <asm/ppc440sp.h>
#endif
#if defined(CONFIG_440SPE)
#include <asm/ppc440spe.h>
#endif
#if defined(CONFIG_460EX) || defined(CONFIG_460GT)
#include <asm/ppc460ex_gt.h>
#endif
#if defined(CONFIG_460SX)
#include <asm/ppc460sx.h>
#endif
/*
* Configure which SDRAM/DDR/DDR2 controller is equipped
*/
// test-only: what to do with these???
#if defined(CONFIG_AP1000) || defined(CONFIG_ML2)
#define CONFIG_SDRAM_PPC4xx_IBM_SDRAM /* IBM SDRAM controller */
#endif
/*
* Common registers for all SoC's
*/
/* DCR registers */
#define PLB3A0_ACR 0x0077
#define PLB4A0_ACR 0x0081
#define PLB4A1_ACR 0x0089
#define PLB4Ax_ACR_PPM_MASK 0xf0000000
#define PLB4Ax_ACR_PPM_FIXED 0x00000000
#define PLB4Ax_ACR_PPM_FAIR 0xd0000000
#define PLB4Ax_ACR_HBU_MASK 0x08000000
#define PLB4Ax_ACR_HBU_DISABLED 0x00000000
#define PLB4Ax_ACR_HBU_ENABLED 0x08000000
#define PLB4Ax_ACR_RDP_MASK 0x06000000
#define PLB4Ax_ACR_RDP_DISABLED 0x00000000
#define PLB4Ax_ACR_RDP_2DEEP 0x02000000
#define PLB4Ax_ACR_RDP_3DEEP 0x04000000
#define PLB4Ax_ACR_RDP_4DEEP 0x06000000
#define PLB4Ax_ACR_WRP_MASK 0x01000000
#define PLB4Ax_ACR_WRP_DISABLED 0x00000000
#define PLB4Ax_ACR_WRP_2DEEP 0x01000000
/* General Purpose Timer (GPT) Register Offsets */
#define GPT0_TBC 0x00000000
#define GPT0_IM 0x00000018
#define GPT0_ISS 0x0000001C
#define GPT0_ISC 0x00000020
#define GPT0_IE 0x00000024
#define GPT0_COMP0 0x00000080
#define GPT0_COMP1 0x00000084
#define GPT0_COMP2 0x00000088
#define GPT0_COMP3 0x0000008C
#define GPT0_COMP4 0x00000090
#define GPT0_COMP5 0x00000094
#define GPT0_COMP6 0x00000098
#define GPT0_MASK0 0x000000C0
#define GPT0_MASK1 0x000000C4
#define GPT0_MASK2 0x000000C8
#define GPT0_MASK3 0x000000CC
#define GPT0_MASK4 0x000000D0
#define GPT0_MASK5 0x000000D4
#define GPT0_MASK6 0x000000D8
#define GPT0_DCT0 0x00000110
#define GPT0_DCIS 0x0000011C
#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__ */
|
