1/* 2 * (C) Copyright 2000-2005 3 * Stefan Roese, DENX Software Engineering, sr@denx.de. 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8/* 9 * board/config.h - configuration options, board specific 10 */ 11 12#ifndef __CONFIG_H 13#define __CONFIG_H 14 15/* 16 * High Level Configuration Options 17 * (easy to change) 18 */ 19 20#define CONFIG_405GP 1 /* This is a PPC405 CPU */ 21#define CONFIG_WALNUT 1 /* ...on a WALNUT board */ 22 /* ...or on a SYCAMORE board */ 23 24#define CONFIG_SYS_TEXT_BASE 0xFFFC0000 25 26/* 27 * Include common defines/options for all AMCC eval boards 28 */ 29#define CONFIG_HOSTNAME walnut 30#include "amcc-common.h" 31 32#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */ 33 34#define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */ 35 36/* 37 * Default environment variables 38 */ 39#define CONFIG_EXTRA_ENV_SETTINGS \ 40 CONFIG_AMCC_DEF_ENV \ 41 CONFIG_AMCC_DEF_ENV_POWERPC \ 42 CONFIG_AMCC_DEF_ENV_PPC_OLD \ 43 CONFIG_AMCC_DEF_ENV_NOR_UPD \ 44 "kernel_addr=fff80000\0" \ 45 "ramdisk_addr=fff80000\0" \ 46 "" 47 48#define CONFIG_PHY_ADDR 1 /* PHY address */ 49#define CONFIG_HAS_ETH0 1 50 51#define CONFIG_RTC_DS174x 1 /* use DS1743 RTC in Walnut */ 52 53/* 54 * Commands additional to the ones defined in amcc-common.h 55 */ 56#define CONFIG_CMD_DATE 57#define CONFIG_CMD_PCI 58#define CONFIG_CMD_SDRAM 59 60#define CONFIG_SPD_EEPROM 1 /* use SPD EEPROM for setup */ 61 62/* 63 * If CONFIG_SYS_EXT_SERIAL_CLOCK, then the UART divisor is 1. 64 * If CONFIG_SYS_405_UART_ERRATA_59, then UART divisor is 31. 65 * Otherwise, UART divisor is determined by CPU Clock and CONFIG_SYS_BASE_BAUD value. 66 * The Linux BASE_BAUD define should match this configuration. 67 * baseBaud = cpuClock/(uartDivisor*16) 68 * If CONFIG_SYS_405_UART_ERRATA_59 and 200MHz CPU clock, 69 * set Linux BASE_BAUD to 403200. 70 */ 71#define CONFIG_CONS_INDEX 1 /* Use UART0 */ 72#undef CONFIG_SYS_EXT_SERIAL_CLOCK /* external serial clock */ 73#undef CONFIG_SYS_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */ 74#define CONFIG_SYS_BASE_BAUD 691200 75 76/*----------------------------------------------------------------------- 77 * I2C stuff 78 *----------------------------------------------------------------------- 79 */ 80#define CONFIG_SYS_I2C_PPC4XX_SPEED_0 400000 81 82#define CONFIG_SYS_I2C_EEPROM_ADDR (0xa8>>1) 83#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 84#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3 85#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 86 87/*----------------------------------------------------------------------- 88 * PCI stuff 89 *----------------------------------------------------------------------- 90 */ 91#define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */ 92#define PCI_HOST_FORCE 1 /* configure as pci host */ 93#define PCI_HOST_AUTO 2 /* detected via arbiter enable */ 94 95#define CONFIG_PCI_INDIRECT_BRIDGE /* indirect PCI bridge support */ 96#define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */ 97 /* resource configuration */ 98#define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */ 99 100#define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */ 101#define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */ 102#define CONFIG_SYS_PCI_PTM1LA 0x00000000 /* point to sdram */ 103#define CONFIG_SYS_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */ 104#define CONFIG_SYS_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */ 105#define CONFIG_SYS_PCI_PTM2LA 0x00000000 /* disabled */ 106#define CONFIG_SYS_PCI_PTM2MS 0x00000000 /* disabled */ 107#define CONFIG_SYS_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */ 108 109/*----------------------------------------------------------------------- 110 * Start addresses for the final memory configuration 111 * (Set up by the startup code) 112 */ 113#define CONFIG_SYS_FLASH_BASE 0xFFF80000 114 115/* 116 * Define here the location of the environment variables (FLASH or NVRAM). 117 * Note: DENX encourages to use redundant environment in FLASH. NVRAM is only 118 * supported for backward compatibility. 119 */ 120#if 1 121#define CONFIG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */ 122#else 123#define CONFIG_ENV_IS_IN_NVRAM 1 /* use NVRAM for environment vars */ 124#endif 125 126/*----------------------------------------------------------------------- 127 * FLASH organization 128 */ 129#define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE /* FLASH bank #0 */ 130#define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */ 131 132#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ 133#define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */ 134 135#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ 136#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ 137 138#define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ 139 140#define CONFIG_SYS_FLASH_ADDR0 0x5555 141#define CONFIG_SYS_FLASH_ADDR1 0x2aaa 142#define CONFIG_SYS_FLASH_WORD_SIZE unsigned char 143 144#ifdef CONFIG_ENV_IS_IN_FLASH 145#define CONFIG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */ 146#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE-CONFIG_ENV_SECT_SIZE) 147#define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ 148 149/* Address and size of Redundant Environment Sector */ 150#define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR-CONFIG_ENV_SECT_SIZE) 151#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE) 152#endif /* CONFIG_ENV_IS_IN_FLASH */ 153 154/*----------------------------------------------------------------------- 155 * NVRAM organization 156 */ 157#define CONFIG_SYS_NVRAM_BASE_ADDR 0xf0000000 /* NVRAM base address */ 158#define CONFIG_SYS_NVRAM_SIZE 0x1ff8 /* NVRAM size */ 159 160#ifdef CONFIG_ENV_IS_IN_NVRAM 161#define CONFIG_ENV_SIZE 0x1000 /* Size of Environment vars */ 162#define CONFIG_ENV_ADDR \ 163 (CONFIG_SYS_NVRAM_BASE_ADDR+CONFIG_SYS_NVRAM_SIZE-CONFIG_ENV_SIZE) /* Env */ 164#endif 165 166/*----------------------------------------------------------------------- 167 * External Bus Controller (EBC) Setup 168 */ 169 170/* Memory Bank 0 (Flash Bank 0) initialization */ 171#define CONFIG_SYS_EBC_PB0AP 0x9B015480 172#define CONFIG_SYS_EBC_PB0CR 0xFFF18000 /* BAS=0xFFF,BS=1MB,BU=R/W,BW=8bit */ 173 174#define CONFIG_SYS_EBC_PB1AP 0x02815480 175#define CONFIG_SYS_EBC_PB1CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */ 176 177#define CONFIG_SYS_EBC_PB2AP 0x04815A80 178#define CONFIG_SYS_EBC_PB2CR 0xF0118000 /* BAS=0xF01,BS=1MB,BU=R/W,BW=8bit */ 179 180#define CONFIG_SYS_EBC_PB3AP 0x01815280 181#define CONFIG_SYS_EBC_PB3CR 0xF0218000 /* BAS=0xF02,BS=1MB,BU=R/W,BW=8bit */ 182 183#define CONFIG_SYS_EBC_PB7AP 0x01815280 184#define CONFIG_SYS_EBC_PB7CR 0xF0318000 /* BAS=0xF03,BS=1MB,BU=R/W,BW=8bit */ 185 186/*----------------------------------------------------------------------- 187 * External peripheral base address 188 *----------------------------------------------------------------------- 189 */ 190#define CONFIG_SYS_KEY_REG_BASE_ADDR 0xF0100000 191#define CONFIG_SYS_IR_REG_BASE_ADDR 0xF0200000 192#define CONFIG_SYS_FPGA_REG_BASE_ADDR 0xF0300000 193 194/*----------------------------------------------------------------------- 195 * Definitions for initial stack pointer and data area 196 */ 197#define CONFIG_SYS_INIT_DCACHE_CS 4 /* use cs # 4 for data cache memory */ 198 199#define CONFIG_SYS_INIT_RAM_ADDR 0x40000000 /* inside of SDRAM */ 200#define CONFIG_SYS_INIT_RAM_SIZE 0x2000 /* Size of used area in RAM */ 201#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) 202#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET 203 204/*----------------------------------------------------------------------- 205 * Definitions for Serial Presence Detect EEPROM address 206 * (to get SDRAM settings) 207 */ 208#define SPD_EEPROM_ADDRESS 0x50 209 210#endif /* __CONFIG_H */ 211