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/*
* AMIRIX.h: AMIRIX specific config options
*
* Author : Frank Smith (smith at amirix dot com)
*
* Derived from : other configuration header files in this tree
*
* This software may be used and distributed according to the terms of
* the GNU General Public License (GPL) version 2, incorporated herein by
* reference. Drivers based on or derived from this code fall under the GPL
* and must retain the authorship, copyright and this license notice. This
* file is not a complete program and may only be used when the entire
* program is licensed under the GPL.
*
*/
#ifndef __CONFIG_H
#define __CONFIG_H
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_405 1 /* This is a PPC405 CPU */
#define CONFIG_4xx 1 /* ...member of PPC4xx family */
#define CONFIG_AP1000 1 /* ...on an AP1000 board */
/*
* Start at bottom of RAM, but at an aliased address so that it looks
* like it's not in RAM. This is a bit of voodoo to allow it to be
* run from RAM instead of Flash.
*/
#define CONFIG_SYS_TEXT_BASE 0x08000000
#define CONFIG_SYS_LDSCRIPT "board/amirix/ap1000/u-boot.lds"
#define CONFIG_PCI 1
#define CONFIG_SYS_HUSH_PARSER 1 /* use "hush" command parser */
#define CONFIG_SYS_PROMPT "0> "
#define CONFIG_COMMAND_EDIT 1
#define CONFIG_COMPLETE_ADDRESSES 1
#define CONFIG_ENV_IS_IN_FLASH 1
#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
#ifdef CONFIG_ENV_IS_IN_NVRAM
#undef CONFIG_ENV_IS_IN_FLASH
#else
#ifdef CONFIG_ENV_IS_IN_FLASH
#undef CONFIG_ENV_IS_IN_NVRAM
#endif
#endif
#define CONFIG_BAUDRATE 57600
#define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */
#define CONFIG_BOOTCOMMAND "" /* autoboot command */
#define CONFIG_BOOTARGS "console=ttyS0,57600"
#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
#define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
/*
* BOOTP options
*/
#define CONFIG_BOOTP_BOOTFILESIZE
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
/*
* Command line configuration.
*/
#include <config_cmd_default.h>
#define CONFIG_CMD_ASKENV
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_ELF
#define CONFIG_CMD_IRQ
#define CONFIG_CMD_MVENV
#define CONFIG_CMD_PCI
#define CONFIG_CMD_PING
#undef CONFIG_WATCHDOG /* watchdog disabled */
#define CONFIG_SYS_CLK_FREQ 30000000
#define CONFIG_SPD_EEPROM 1 /* use SPD EEPROM for setup */
/*
* I2C
*/
#define CONFIG_HARD_I2C /* I2C with hardware support */
#define CONFIG_PPC4XX_I2C /* use PPC4xx driver */
#define CONFIG_SYS_I2C_SLAVE 0x7F
#define CONFIG_SYS_I2C_SPEED 400000
/*
* Miscellaneous configurable options
*/
#define CONFIG_SYS_LONGHELP /* undef to save memory */
#if defined(CONFIG_CMD_KGDB)
#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
#else
#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
#endif
/* usually: (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) */
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+4+16) /* Print Buffer Size */
#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
#define CONFIG_SYS_ALT_MEMTEST 1
#define CONFIG_SYS_MEMTEST_START 0x00400000 /* memtest works on */
#define CONFIG_SYS_MEMTEST_END 0x01000000 /* 4 ... 16 MB in DRAM */
/*
* 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.
*/
#undef CONFIG_SYS_EXT_SERIAL_CLOCK /* external serial clock */
#undef CONFIG_SYS_405_UART_ERRATA_59 /* 405GP/CR Rev. D silicon */
#define CONFIG_SYS_NS16550_CLK 40000000
#define CONFIG_SYS_DUART_CHAN 0
#define CONFIG_SYS_NS16550_COM1 (0x4C000000 + 0x1000)
#define CONFIG_SYS_NS16550_COM2 (0x4C800000 + 0x1000)
#define CONFIG_SYS_NS16550_REG_SIZE 4
#define CONFIG_SYS_NS16550 1
#define CONFIG_SYS_INIT_CHAN1 1
#define CONFIG_SYS_INIT_CHAN2 0
/* The following table includes the supported baudrates */
#define CONFIG_SYS_BAUDRATE_TABLE \
{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
#define CONFIG_SYS_LOAD_ADDR 0x00200000 /* default load address */
#define CONFIG_SYS_EXTBDINFO 1 /* To use extended board_into (bd_t) */
#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
/*-----------------------------------------------------------------------
* Start addresses for the final memory configuration
* (Set up by the startup code)
* Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
*/
#define CONFIG_SYS_SDRAM_BASE 0x00000000
#define CONFIG_SYS_FLASH_BASE 0x20000000
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_MONITOR_LEN (192 * 1024) /* Reserve 196 kB for Monitor */
#define CONFIG_SYS_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
/*
* For booting Linux, the board info and command line data
* have to be in the first 8 MB of memory, since this is
* the maximum mapped by the Linux kernel during initialization.
*/
#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
/*-----------------------------------------------------------------------
* FLASH organization
*/
#define CONFIG_SYS_FLASH_CFI 1
#define CONFIG_SYS_PROGFLASH_BASE CONFIG_SYS_FLASH_BASE
#define CONFIG_SYS_CONFFLASH_BASE 0x24000000
#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* 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_PROTECTION 1 /* use hardware protection */
/* BEG ENVIRONNEMENT FLASH */
#ifdef CONFIG_ENV_IS_IN_FLASH
#define CONFIG_ENV_OFFSET 0x00040000 /* Offset of Environment Sector */
#define CONFIG_ENV_SIZE 0x1000 /* Total Size of Environment Sector */
#define CONFIG_ENV_SECT_SIZE 0x20000 /* see README - env sector total size */
#endif
/* END ENVIRONNEMENT 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
/*
* Init Memory Controller:
*
* BR0/1 and OR0/1 (FLASH)
*/
#define FLASH_BASE0_PRELIM CONFIG_SYS_FLASH_BASE /* FLASH bank #0 */
#define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
/* Configuration Port location */
#define CONFIG_PORT_ADDR 0xF0000500
/*-----------------------------------------------------------------------
* Definitions for initial stack pointer and data area (in DPRAM)
*/
#define CONFIG_SYS_INIT_RAM_ADDR 0x400000 /* 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
#if defined(CONFIG_CMD_KGDB)
#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
#endif
/* JFFS2 stuff */
#define CONFIG_SYS_JFFS2_FIRST_BANK 0
#define CONFIG_SYS_JFFS2_NUM_BANKS 1
#define CONFIG_SYS_JFFS2_FIRST_SECTOR 1
#define CONFIG_E1000
#define CONFIG_SYS_ETH_DEV_FN 0x0800
#define CONFIG_SYS_ETH_IOBASE 0x31000000
#define CONFIG_SYS_ETH_MEMBASE 0x32000000
#endif /* __CONFIG_H */
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