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d0b0dcaa22
This patch moves the PPC4xx specific I2C device driver into the I2C drivers directory. All 4xx config headers are updated to include this driver. Signed-off-by: Stefan Roese <sr@denx.de>
316 lines
12 KiB
C
316 lines
12 KiB
C
/*
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* (C) Copyright 2001
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* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/*
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* board/config.h - configuration options, board specific
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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/*
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* High Level Configuration Options
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* (easy to change)
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*/
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#define CONFIG_405GP 1 /* This is a PPC405 CPU */
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#define CONFIG_4xx 1 /* ...member of PPC4xx family */
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#define CONFIG_DU405 1 /* ...on a DU405 board */
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#define CONFIG_BOARD_EARLY_INIT_F 1 /* call board_early_init_f() */
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#define CONFIG_MISC_INIT_R 1 /* call misc_init_r() */
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#define CONFIG_SYS_CLK_FREQ 25000000 /* external frequency to pll */
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#define CONFIG_BAUDRATE 9600
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#define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */
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#undef CONFIG_BOOTARGS
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#define CONFIG_BOOTCOMMAND "bootm fff00000"
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#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
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#define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
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#define CONFIG_PPC4xx_EMAC
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#define CONFIG_MII 1 /* MII PHY management */
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#define CONFIG_PHY_ADDR 0 /* PHY address */
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#define CONFIG_LXT971_NO_SLEEP 1 /* disable sleep mode in LXT971 */
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#define CONFIG_RESET_PHY_R 1 /* use reset_phy() to disable phy sleep mode */
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#define CONFIG_NET_MULTI 1
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#undef CONFIG_HAS_ETH1
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/*
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* BOOTP options
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*/
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#define CONFIG_BOOTP_BOOTFILESIZE
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#define CONFIG_BOOTP_BOOTPATH
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#define CONFIG_BOOTP_GATEWAY
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#define CONFIG_BOOTP_HOSTNAME
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/*
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* Command line configuration.
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*/
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#include <config_cmd_default.h>
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#undef CONFIG_CMD_NFS
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#define CONFIG_CMD_IDE
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#define CONFIG_CMD_ELF
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#define CONFIG_CMD_MII
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#define CONFIG_CMD_DATE
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#define CONFIG_CMD_EEPROM
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#define CONFIG_CMD_I2C
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#define CONFIG_MAC_PARTITION
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#define CONFIG_DOS_PARTITION
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#undef CONFIG_WATCHDOG /* watchdog disabled */
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#define CONFIG_RTC_MC146818 /* BQ3285 is MC146818 compatible*/
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#define CONFIG_SYS_RTC_REG_BASE_ADDR 0xF0000080 /* RTC Base Address */
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#define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */
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/*
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* Miscellaneous configurable options
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*/
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#define CONFIG_SYS_LONGHELP /* undef to save memory */
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#define CONFIG_SYS_PROMPT "=> " /* Monitor Command Prompt */
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#if defined(CONFIG_CMD_KGDB)
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#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
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#else
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#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
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#endif
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) /* Print Buffer Size */
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#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
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#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */
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#define CONFIG_SYS_CONSOLE_INFO_QUIET 1 /* don't print console @ startup*/
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#define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
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#define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
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#define CONFIG_SYS_EXT_SERIAL_CLOCK 11059200 /* use external serial clock */
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/* The following table includes the supported baudrates */
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#define CONFIG_SYS_BAUDRATE_TABLE \
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{ 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, \
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57600, 115200, 230400, 460800, 921600 }
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#define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
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#define CONFIG_SYS_EXTBDINFO 1 /* To use extended board_into (bd_t) */
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#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
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#define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
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#define CONFIG_SYS_RX_ETH_BUFFER 16 /* use 16 rx buffer on 405 emac */
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/*-----------------------------------------------------------------------
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* PCI stuff
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*-----------------------------------------------------------------------
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*/
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#define PCI_HOST_ADAPTER 0 /* configure ar pci adapter */
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#define PCI_HOST_FORCE 1 /* configure as pci host */
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#define PCI_HOST_AUTO 2 /* detected via arbiter enable */
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#define CONFIG_PCI /* include pci support */
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#define CONFIG_PCI_HOST PCI_HOST_AUTO /* select pci host function */
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#define CONFIG_PCI_PNP /* do pci plug-and-play */
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/* resource configuration */
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#define CONFIG_PCI_SCAN_SHOW /* print pci devices @ startup */
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#define CONFIG_PCI_BOOTDELAY 0 /* enable pci bootdelay variable*/
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#define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x12FE /* PCI Vendor ID: esd gmbh */
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#define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0x0404 /* PCI Device ID: CPCI-ISER4 */
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#define CONFIG_SYS_PCI_PTM1LA 0x00000000 /* point to sdram */
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#define CONFIG_SYS_PCI_PTM1MS 0xff000001 /* 16MB, enable hard-wired to 1 */
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#define CONFIG_SYS_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
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#define CONFIG_SYS_PCI_PTM2LA 0xffe00000 /* point to flash */
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#define CONFIG_SYS_PCI_PTM2MS 0xffe00001 /* 2MB, enable */
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#define CONFIG_SYS_PCI_PTM2PCI 0x04000000 /* Host: use this pci address */
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/*-----------------------------------------------------------------------
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* IDE/ATA stuff
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*-----------------------------------------------------------------------
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*/
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#undef CONFIG_IDE_8xx_DIRECT /* no pcmcia interface required */
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#undef CONFIG_IDE_LED /* no led for ide supported */
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#undef CONFIG_IDE_RESET /* no reset for ide supported */
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#define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE busses */
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#define CONFIG_SYS_IDE_MAXDEVICE (CONFIG_SYS_IDE_MAXBUS*1) /* max. 1 drives per IDE bus */
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#define CONFIG_SYS_ATA_BASE_ADDR 0xF0100000
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#define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000
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#define CONFIG_SYS_ATA_DATA_OFFSET 0x0000 /* Offset for data I/O */
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#define CONFIG_SYS_ATA_REG_OFFSET 0x0000 /* Offset for normal register accesses */
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#define CONFIG_SYS_ATA_ALT_OFFSET 0x0000 /* Offset for alternate registers */
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/*-----------------------------------------------------------------------
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* Start addresses for the final memory configuration
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* (Set up by the startup code)
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* Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
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*/
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#define CONFIG_SYS_SDRAM_BASE 0x00000000
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#define CONFIG_SYS_FLASH_BASE 0xFFFD0000
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#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
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#define CONFIG_SYS_MONITOR_LEN (192 * 1024) /* Reserve 192 kB for Monitor */
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#define CONFIG_SYS_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
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/*
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* For booting Linux, the board info and command line data
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* have to be in the first 8 MB of memory, since this is
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* the maximum mapped by the Linux kernel during initialization.
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*/
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#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
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/*-----------------------------------------------------------------------
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* FLASH organization
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*/
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#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of memory banks */
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#define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
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#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
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#define CONFIG_SYS_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
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#define CONFIG_SYS_FLASH_WORD_SIZE unsigned short /* flash word size (width) */
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#define CONFIG_SYS_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */
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#define CONFIG_SYS_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */
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/*
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* The following defines are added for buggy IOP480 byte interface.
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* All other boards should use the standard values (CPCI405 etc.)
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*/
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#define CONFIG_SYS_FLASH_READ0 0x0000 /* 0 is standard */
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#define CONFIG_SYS_FLASH_READ1 0x0001 /* 1 is standard */
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#define CONFIG_SYS_FLASH_READ2 0x0002 /* 2 is standard */
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#define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
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/*-----------------------------------------------------------------------
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* I2C EEPROM (CAT24WC08) for environment
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*/
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#define CONFIG_HARD_I2C /* I2c with hardware support */
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#define CONFIG_PPC4XX_I2C /* use PPC4xx driver */
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#define CONFIG_SYS_I2C_SPEED 400000 /* I2C speed and slave address */
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#define CONFIG_SYS_I2C_SLAVE 0x7F
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#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM CAT28WC08 */
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#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 /* Bytes of address */
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/* mask of address bits that overflow into the "EEPROM chip address" */
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#define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 0x07
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#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4 /* The Catalyst CAT24WC08 has */
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/* 16 byte page write mode using*/
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/* last 4 bits of the address */
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#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
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#define CONFIG_ENV_IS_IN_EEPROM 1 /* use EEPROM for environment vars */
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#define CONFIG_ENV_OFFSET 0x000 /* environment starts at the beginning of the EEPROM */
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#define CONFIG_ENV_SIZE 0x400 /* 1024 bytes may be used for env vars */
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/* total size of a CAT24WC08 is 1024 bytes */
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/*
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* Init Memory Controller:
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*
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* BR0/1 and OR0/1 (FLASH)
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*/
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#define FLASH_BASE0_PRELIM 0xFF800000 /* FLASH bank #0 */
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#define FLASH_BASE1_PRELIM 0xFFC00000 /* FLASH bank #1 */
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/*-----------------------------------------------------------------------
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* External Bus Controller (EBC) Setup
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*/
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#define FLASH0_BA 0xFFC00000 /* FLASH 0 Base Address */
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#define FLASH1_BA 0xFF800000 /* FLASH 1 Base Address */
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#define CAN_BA 0xF0000000 /* CAN Base Address */
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#define DUART_BA 0xF0300000 /* DUART Base Address */
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#define CF_BA 0xF0100000 /* CompactFlash Base Address */
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#define SRAM_BA 0xF0200000 /* SRAM Base Address */
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#define DURAG_IO_BA 0xF0400000 /* DURAG Bus IO Base Address */
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#define DURAG_MEM_BA 0xF0500000 /* DURAG Bus Mem Base Address */
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#define FPGA_MODE_REG (DUART_BA+0x80) /* FPGA Mode Register */
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/* Memory Bank 0 (Flash Bank 0) initialization */
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#define CONFIG_SYS_EBC_PB0AP 0x92015480
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#define CONFIG_SYS_EBC_PB0CR FLASH0_BA | 0x5A000 /* BAS=0xFFC,BS=4MB,BU=R/W,BW=16bit */
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/* Memory Bank 1 (Flash Bank 1) initialization */
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#define CONFIG_SYS_EBC_PB1AP 0x92015480
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#define CONFIG_SYS_EBC_PB1CR FLASH1_BA | 0x5A000 /* BAS=0xFF8,BS=4MB,BU=R/W,BW=16bit */
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/* Memory Bank 2 (CAN0) initialization */
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#define CONFIG_SYS_EBC_PB2AP 0x010053C0 /* BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */
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#define CONFIG_SYS_EBC_PB2CR CAN_BA | 0x18000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */
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/* Memory Bank 3 (DUART) initialization */
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#define CONFIG_SYS_EBC_PB3AP 0x010053C0 /* BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */
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#define CONFIG_SYS_EBC_PB3CR DUART_BA | 0x18000 /* BAS=0xF03,BS=1MB,BU=R/W,BW=8bit */
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/* Memory Bank 4 (CompactFlash IDE) initialization */
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#define CONFIG_SYS_EBC_PB4AP 0x010053C0 /* BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */
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#define CONFIG_SYS_EBC_PB4CR CF_BA | 0x1A000 /* BAS=0xF01,BS=1MB,BU=R/W,BW=16bit */
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/* Memory Bank 5 (SRAM) initialization */
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#define CONFIG_SYS_EBC_PB5AP 0x010053C0 /* BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */
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#define CONFIG_SYS_EBC_PB5CR SRAM_BA | 0x1A000 /* BAS=0xF02,BS=1MB,BU=R/W,BW=16bit */
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/* Memory Bank 6 (DURAG Bus IO Space) initialization */
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#define CONFIG_SYS_EBC_PB6AP 0x010053C0 /* BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */
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#define CONFIG_SYS_EBC_PB6CR DURAG_IO_BA | 0x18000 /* BAS=0xF04,BS=1MB,BU=R/W,BW=8bit*/
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/* Memory Bank 7 (DURAG Bus Mem Space) initialization */
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#define CONFIG_SYS_EBC_PB7AP 0x010053C0 /* BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */
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#define CONFIG_SYS_EBC_PB7CR DURAG_MEM_BA | 0x18000 /* BAS=0xF05,BS=1MB,BU=R/W,BW=8bit */
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/*-----------------------------------------------------------------------
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* Definitions for initial stack pointer and data area (in DPRAM)
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*/
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/* use on chip memory ( OCM ) for temperary stack until sdram is tested */
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#define CONFIG_SYS_TEMP_STACK_OCM 1
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/* On Chip Memory location */
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#define CONFIG_SYS_OCM_DATA_ADDR 0xF8000000
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#define CONFIG_SYS_OCM_DATA_SIZE 0x1000
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#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR /* inside of SDRAM */
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#define CONFIG_SYS_INIT_RAM_END CONFIG_SYS_OCM_DATA_SIZE /* End of used area in RAM */
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#define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
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#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_END - CONFIG_SYS_GBL_DATA_SIZE)
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#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
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/*
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* Internal Definitions
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*
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* Boot Flags
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*/
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#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
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#define BOOTFLAG_WARM 0x02 /* Software reboot */
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#endif /* __CONFIG_H */
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