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Diffstat (limited to 'u-boot/include/configs/walnut.h')
| -rw-r--r-- | u-boot/include/configs/walnut.h | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/u-boot/include/configs/walnut.h b/u-boot/include/configs/walnut.h new file mode 100644 index 0000000..d10f748 --- /dev/null +++ b/u-boot/include/configs/walnut.h @@ -0,0 +1,230 @@ +/* + * (C) Copyright 2000-2005 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * board/config.h - configuration options, board specific + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * High Level Configuration Options + * (easy to change) + */ + +#define CONFIG_405GP 1 /* This is a PPC405 CPU */ +#define CONFIG_4xx 1 /* ...member of PPC4xx family */ +#define CONFIG_WALNUT 1 /* ...on a WALNUT board */ + /* ...or on a SYCAMORE board */ + +#define CONFIG_SYS_TEXT_BASE 0xFFFC0000 + +/* + * Include common defines/options for all AMCC eval boards + */ +#define CONFIG_HOSTNAME walnut +#include "amcc-common.h" + +#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */ + +#define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */ + +/* + * Default environment variables + */ +#define CONFIG_EXTRA_ENV_SETTINGS \ + CONFIG_AMCC_DEF_ENV \ + CONFIG_AMCC_DEF_ENV_POWERPC \ + CONFIG_AMCC_DEF_ENV_PPC_OLD \ + CONFIG_AMCC_DEF_ENV_NOR_UPD \ + "kernel_addr=fff80000\0" \ + "ramdisk_addr=fff80000\0" \ + "" + +#define CONFIG_PHY_ADDR 1 /* PHY address */ +#define CONFIG_HAS_ETH0 1 + +#define CONFIG_RTC_DS174x 1 /* use DS1743 RTC in Walnut */ + +/* + * Commands additional to the ones defined in amcc-common.h + */ +#define CONFIG_CMD_DATE +#define CONFIG_CMD_PCI +#define CONFIG_CMD_SDRAM +#define CONFIG_CMD_SNTP + +#define CONFIG_SPD_EEPROM 1 /* use SPD EEPROM for setup */ + +/* + * If CONFIG_SYS_EXT_SERIAL_CLOCK, then the UART divisor is 1. + * If CONFIG_SYS_405_UART_ERRATA_59, then UART divisor is 31. + * Otherwise, UART divisor is determined by CPU Clock and CONFIG_SYS_BASE_BAUD value. + * The Linux BASE_BAUD define should match this configuration. + * baseBaud = cpuClock/(uartDivisor*16) + * If CONFIG_SYS_405_UART_ERRATA_59 and 200MHz CPU clock, + * set Linux BASE_BAUD to 403200. + */ +#define CONFIG_CONS_INDEX 1 /* Use UART0 */ +#undef CONFIG_SYS_EXT_SERIAL_CLOCK /* external serial clock */ +#undef CONFIG_SYS_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */ +#define CONFIG_SYS_BASE_BAUD 691200 + +/*----------------------------------------------------------------------- + * I2C stuff + *----------------------------------------------------------------------- + */ +#define CONFIG_SYS_I2C_SPEED 400000 /* I2C speed and slave address */ + +#define CONFIG_SYS_I2C_MULTI_EEPROMS +#define CONFIG_SYS_I2C_EEPROM_ADDR (0xa8>>1) +#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 +#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3 +#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 + +/*----------------------------------------------------------------------- + * PCI stuff + *----------------------------------------------------------------------- + */ +#define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */ +#define PCI_HOST_FORCE 1 /* configure as pci host */ +#define PCI_HOST_AUTO 2 /* detected via arbiter enable */ + +#define CONFIG_PCI /* include pci support */ +#define CONFIG_PCI_HOST PCI_HOST_FORCE /* select pci host function */ +#define CONFIG_PCI_PNP /* do pci plug-and-play */ + /* resource configuration */ +#define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */ + +#define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */ +#define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */ +#define CONFIG_SYS_PCI_PTM1LA 0x00000000 /* point to sdram */ +#define CONFIG_SYS_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */ +#define CONFIG_SYS_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */ +#define CONFIG_SYS_PCI_PTM2LA 0x00000000 /* disabled */ +#define CONFIG_SYS_PCI_PTM2MS 0x00000000 /* disabled */ +#define CONFIG_SYS_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */ + +/*----------------------------------------------------------------------- + * Start addresses for the final memory configuration + * (Set up by the startup code) + */ +#define CONFIG_SYS_FLASH_BASE 0xFFF80000 + +/* + * Define here the location of the environment variables (FLASH or NVRAM). + * Note: DENX encourages to use redundant environment in FLASH. NVRAM is only + * supported for backward compatibility. + */ +#if 1 +#define CONFIG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */ +#else +#define CONFIG_ENV_IS_IN_NVRAM 1 /* use NVRAM for environment vars */ +#endif + +/*----------------------------------------------------------------------- + * FLASH organization + */ +#define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE /* FLASH bank #0 */ +#define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */ + +#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ +#define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */ + +#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */ +#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */ + +#define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */ + +#define CONFIG_SYS_FLASH_ADDR0 0x5555 +#define CONFIG_SYS_FLASH_ADDR1 0x2aaa +#define CONFIG_SYS_FLASH_WORD_SIZE unsigned char + +#ifdef CONFIG_ENV_IS_IN_FLASH +#define CONFIG_ENV_SECT_SIZE 0x10000 /* size of one complete sector */ +#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE-CONFIG_ENV_SECT_SIZE) +#define CONFIG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */ + +/* Address and size of Redundant Environment Sector */ +#define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR-CONFIG_ENV_SECT_SIZE) +#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE) +#endif /* CONFIG_ENV_IS_IN_FLASH */ + +/*----------------------------------------------------------------------- + * NVRAM organization + */ +#define CONFIG_SYS_NVRAM_BASE_ADDR 0xf0000000 /* NVRAM base address */ +#define CONFIG_SYS_NVRAM_SIZE 0x1ff8 /* NVRAM size */ + +#ifdef CONFIG_ENV_IS_IN_NVRAM +#define CONFIG_ENV_SIZE 0x1000 /* Size of Environment vars */ +#define CONFIG_ENV_ADDR \ + (CONFIG_SYS_NVRAM_BASE_ADDR+CONFIG_SYS_NVRAM_SIZE-CONFIG_ENV_SIZE) /* Env */ +#endif + +/*----------------------------------------------------------------------- + * External Bus Controller (EBC) Setup + */ + +/* Memory Bank 0 (Flash Bank 0) initialization */ +#define CONFIG_SYS_EBC_PB0AP 0x9B015480 +#define CONFIG_SYS_EBC_PB0CR 0xFFF18000 /* BAS=0xFFF,BS=1MB,BU=R/W,BW=8bit */ + +#define CONFIG_SYS_EBC_PB1AP 0x02815480 +#define CONFIG_SYS_EBC_PB1CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */ + +#define CONFIG_SYS_EBC_PB2AP 0x04815A80 +#define CONFIG_SYS_EBC_PB2CR 0xF0118000 /* BAS=0xF01,BS=1MB,BU=R/W,BW=8bit */ + +#define CONFIG_SYS_EBC_PB3AP 0x01815280 +#define CONFIG_SYS_EBC_PB3CR 0xF0218000 /* BAS=0xF02,BS=1MB,BU=R/W,BW=8bit */ + +#define CONFIG_SYS_EBC_PB7AP 0x01815280 +#define CONFIG_SYS_EBC_PB7CR 0xF0318000 /* BAS=0xF03,BS=1MB,BU=R/W,BW=8bit */ + +/*----------------------------------------------------------------------- + * External peripheral base address + *----------------------------------------------------------------------- + */ +#define CONFIG_SYS_KEY_REG_BASE_ADDR 0xF0100000 +#define CONFIG_SYS_IR_REG_BASE_ADDR 0xF0200000 +#define CONFIG_SYS_FPGA_REG_BASE_ADDR 0xF0300000 + +/*----------------------------------------------------------------------- + * Definitions for initial stack pointer and data area + */ +#define CONFIG_SYS_INIT_DCACHE_CS 4 /* use cs # 4 for data cache memory */ + +#define CONFIG_SYS_INIT_RAM_ADDR 0x40000000 /* inside of SDRAM */ +#define CONFIG_SYS_INIT_RAM_SIZE 0x2000 /* Size of used area in RAM */ +#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) +#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET + +/*----------------------------------------------------------------------- + * Definitions for Serial Presence Detect EEPROM address + * (to get SDRAM settings) + */ +#define SPD_EEPROM_ADDRESS 0x50 + +#endif /* __CONFIG_H */ |