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https://github.com/AsahiLinux/u-boot
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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>
328 lines
14 KiB
C
328 lines
14 KiB
C
/*
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* (C) Copyright 2005-2006
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* Stefan Roese, DENX Software Engineering, sr@denx.de.
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*
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* (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.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_p3p440.h - configuration for Prodrive P3P440
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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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*----------------------------------------------------------------------*/
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#define CONFIG_P3P440 1 /* Board is P3P440 */
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#define CONFIG_440GP 1 /* Specifc GP support */
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#define CONFIG_440 1 /* ... PPC440 family */
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#define CONFIG_4xx 1 /* ... PPC4xx family */
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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 33333333 /* external freq to pll */
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/*-----------------------------------------------------------------------
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* Base addresses -- Note these are effective addresses where the
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* actual resources get mapped (not physical addresses)
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*----------------------------------------------------------------------*/
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#define CONFIG_SYS_SDRAM_BASE 0x00000000 /* _must_ be 0 */
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#define CONFIG_SYS_FLASH_BASE 0xff800000 /* start of FLASH */
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#define CONFIG_SYS_MONITOR_BASE 0xfffc0000 /* start of monitor */
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#define CONFIG_SYS_PCI_MEMBASE 0x80000000 /* mapped pci memory */
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#define CONFIG_SYS_PERIPHERAL_BASE 0xe0000000 /* internal peripherals */
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#define CONFIG_SYS_ISRAM_BASE 0xc0000000 /* internal SRAM */
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#define CONFIG_SYS_PCI_BASE 0xd0000000 /* internal PCI regs */
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#define CONFIG_SYS_USB_BASE (CONFIG_SYS_PERIPHERAL_BASE + 0x00000000)
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/*-----------------------------------------------------------------------
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* Initial RAM & stack pointer (placed in internal SRAM)
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*----------------------------------------------------------------------*/
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#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_ISRAM_BASE /* Initial RAM address */
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#define CONFIG_SYS_INIT_RAM_END 0x2000 /* End of used area in RAM */
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#define CONFIG_SYS_GBL_DATA_SIZE 128 /* num bytes 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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#define CONFIG_SYS_MONITOR_LEN (256 * 1024) /* Reserve 256 kB for Mon*/
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#define CONFIG_SYS_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc*/
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/*-----------------------------------------------------------------------
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* DDR SDRAM
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*----------------------------------------------------------------------*/
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#define CONFIG_SDRAM_BANK0 1 /* init onboard DDR SDRAM bank 0*/
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#define CONFIG_SDRAM_ECC /* enable ECC support */
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#define CONFIG_SYS_SDRAM_TABLE { \
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{(256 << 20), 13, 0x000C4001}, /* 256MB mode 3, 13x10(4)*/ \
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{(64 << 20), 12, 0x00082001}} /* 64MB mode 2, 12x9(4) */
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/*-----------------------------------------------------------------------
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* Serial Port
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*----------------------------------------------------------------------*/
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#undef CONFIG_SYS_EXT_SERIAL_CLOCK
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#define CONFIG_BAUDRATE 115200
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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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/*-----------------------------------------------------------------------
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* I2C
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*----------------------------------------------------------------------*/
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#define CONFIG_HARD_I2C 1 /* I2C with hardware support */
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#undef CONFIG_SOFT_I2C /* I2C bit-banged */
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#define CONFIG_PPC4XX_I2C /* use PPC4xx driver */
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#define CONFIG_SYS_I2C_SPEED 100000 /* I2C speed and slave address */
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#define CONFIG_SYS_I2C_SLAVE 0x7F
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#define CONFIG_SYS_I2C_NOPROBES {0x69} /* Don't probe these addrs */
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/*-----------------------------------------------------------------------
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* I2C RTC
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*----------------------------------------------------------------------*/
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#define CONFIG_RTC_MAX6900 1 /* MAX6900 RTC */
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/*-----------------------------------------------------------------------
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* I2C EEPROM (PCF8594C) for environment
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*----------------------------------------------------------------------*/
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#define CONFIG_SYS_I2C_EEPROM_ADDR 0x54 /* EEPROM PCF8594C */
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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 3 /* The Philips PCF8594C has */
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/* 8 byte page write mode using */
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/* last 3 bits of the address */
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#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 40 /* and takes up to 40 msec */
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/*-----------------------------------------------------------------------
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* Default configuration (environment varibles...)
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*----------------------------------------------------------------------*/
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#define CONFIG_PREBOOT "echo;" \
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"echo Type \\\"run flash_nfs\\\" to mount root filesystem over NFS;" \
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"echo"
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#undef CONFIG_BOOTARGS
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"netdev=eth0\0" \
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"hostname=p3p440\0" \
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"nfsargs=setenv bootargs root=/dev/nfs rw " \
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"nfsroot=${serverip}:${rootpath}\0" \
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"ramargs=setenv bootargs root=/dev/ram rw\0" \
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"addip=setenv bootargs ${bootargs} " \
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"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
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":${hostname}:${netdev}:off panic=1\0" \
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"addtty=setenv bootargs ${bootargs} console=ttyS0,${baudrate}\0"\
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"flash_nfs=run nfsargs addip addtty;" \
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"bootm ${kernel_addr}\0" \
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"flash_self=run ramargs addip addtty;" \
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"bootm ${kernel_addr} ${ramdisk_addr}\0" \
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"net_nfs=tftp 200000 ${bootfile};run nfsargs addip addtty;" \
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"bootm\0" \
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"rootpath=/opt/eldk/ppc_4xx\0" \
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"bootfile=/tftpboot/p3p440/uImage\0" \
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"kernel_addr=ff800000\0" \
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"ramdisk_addr=ff810000\0" \
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"load=tftp 100000 /tftpboot/p3p440/u-boot.bin\0" \
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"update=protect off fffc0000 ffffffff;era fffc0000 ffffffff;" \
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"cp.b 100000 fffc0000 40000;" \
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"setenv filesize;saveenv\0" \
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"upd=run load update\0" \
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"unlock=yes\0" \
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""
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#define CONFIG_BOOTCOMMAND "run net_nfs"
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#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
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#define CONFIG_BAUDRATE 115200
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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 0x1c /* PHY address */
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#define CONFIG_HAS_ETH1
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#define CONFIG_PHY1_ADDR 0x1d /* EMAC1 PHY address */
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#define CONFIG_NET_MULTI 1
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#define CONFIG_SYS_RX_ETH_BUFFER 32 /* Number of ethernet rx buffers & descriptors */
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#define CONFIG_NETCONSOLE /* include NetConsole support */
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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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#define CONFIG_CMD_ASKENV
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#define CONFIG_CMD_DATE
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#define CONFIG_CMD_DHCP
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#define CONFIG_CMD_DIAG
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#define CONFIG_CMD_ELF
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#define CONFIG_CMD_I2C
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#define CONFIG_CMD_IRQ
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#define CONFIG_CMD_MII
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#define CONFIG_CMD_NET
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#define CONFIG_CMD_NFS
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#define CONFIG_CMD_PCI
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#define CONFIG_CMD_PING
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#define CONFIG_CMD_REGINFO
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#define CONFIG_CMD_EEPROM
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#define CONFIG_CMD_SNTP
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#undef CONFIG_WATCHDOG /* watchdog disabled */
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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_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_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_AUTO_COMPLETE 1 /* add autocompletion support */
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#define CONFIG_LOOPW 1 /* enable loopw command */
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#define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
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#define CONFIG_VERSION_VARIABLE 1 /* include version env variable */
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/*-----------------------------------------------------------------------
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* PCI stuff
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*----------------------------------------------------------------------*/
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/* General PCI */
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#define CONFIG_PCI /* include pci support */
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#define CONFIG_PCI_PNP /* do pci plug-and-play */
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#define CONFIG_PCI_SCAN_SHOW /* show pci devices on startup */
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#define CONFIG_SYS_PCI_TARGBASE 0x80000000 /* PCIaddr mapped to CONFIG_SYS_PCI_MEMBASE */
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/* Board-specific PCI */
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#define CONFIG_SYS_PCI_TARGET_INIT /* let board init pci target */
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#define CONFIG_DISABLE_PISE_TEST /* disable PISE test (PCIX only)*/
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#define CONFIG_SYS_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */
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#define CONFIG_SYS_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */
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/*-----------------------------------------------------------------------
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* External Bus Controller (EBC) Setup
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*----------------------------------------------------------------------*/
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#define CONFIG_SYS_FLASH0 0xFF800000
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#define CONFIG_SYS_FLASH1 0xFF000000
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#define CONFIG_SYS_FLASH2 0xFE800000
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#define CONFIG_SYS_FLASH3 0xFE000000
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#define CONFIG_SYS_USB 0xF0000000
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/* Memory Bank 0 (Flash Bank 0, NOR-FLASH) initialization */
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#define CONFIG_SYS_EBC_PB0AP 0x03050200
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#define CONFIG_SYS_EBC_PB0CR (CONFIG_SYS_FLASH0 | 0x7A000) /* BAS=0xFF8,BS=8MB,BU=R/W,BW=16bit */
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/* Memory Bank 1 (Flash Bank 1, NOR-FLASH) initialization */
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#define CONFIG_SYS_EBC_PB1AP 0x03050200
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#define CONFIG_SYS_EBC_PB1CR (CONFIG_SYS_FLASH1 | 0x7A000) /* BAS=0xFF8,BS=8MB,BU=R/W,BW=16bit */
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/* Memory Bank 2 (Flash Bank 2, NOR-FLASH) initialization */
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#define CONFIG_SYS_EBC_PB2AP 0x03050200
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#define CONFIG_SYS_EBC_PB2CR (CONFIG_SYS_FLASH2 | 0x7A000) /* BAS=0xFF8,BS=8MB,BU=R/W,BW=16bit */
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/* Memory Bank 3 (Flash Bank 3, NOR-FLASH) initialization */
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#define CONFIG_SYS_EBC_PB3AP 0x03050200
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#define CONFIG_SYS_EBC_PB3CR (CONFIG_SYS_FLASH3 | 0x7A000) /* BAS=0xFF8,BS=8MB,BU=R/W,BW=16bit */
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/* Memory Bank 7 (USB controller) initialization */
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#define CONFIG_SYS_EBC_PB7AP 0x02015000
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#define CONFIG_SYS_EBC_PB7CR (CONFIG_SYS_USB | 0xFE000) /* BAS=0xF00,BS=128MB,BU=R/W,BW=16bit*/
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/*-----------------------------------------------------------------------
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* FLASH related
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*----------------------------------------------------------------------*/
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#define CONFIG_SYS_FLASH_CFI /* The flash is CFI compatible */
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#define CONFIG_FLASH_CFI_DRIVER /* Use common CFI driver */
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#define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH3, CONFIG_SYS_FLASH2, CONFIG_SYS_FLASH1, CONFIG_SYS_FLASH0 }
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#define CONFIG_SYS_MAX_FLASH_BANKS 4 /* max number of memory banks */
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#define CONFIG_SYS_MAX_FLASH_SECT 512 /* 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_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */
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#define CONFIG_SYS_FLASH_PROTECTION 1 /* use hardware flash protection */
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#define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
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#define CONFIG_SYS_FLASH_QUIET_TEST 1 /* don't warn upon unknown flash */
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#define CONFIG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
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#define CONFIG_ENV_SECT_SIZE 0x20000 /* size of one complete sector */
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#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE-CONFIG_ENV_SECT_SIZE)
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#define CONFIG_ENV_SIZE 0x2000 /* Total Size of Environment Sector */
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/* Address and size of Redundant Environment Sector */
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#define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR-CONFIG_ENV_SECT_SIZE)
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#define CONFIG_ENV_SIZE_REDUND (CONFIG_ENV_SIZE)
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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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* 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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#if defined(CONFIG_CMD_KGDB)
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#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
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#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
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#endif
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#endif /* __CONFIG_H */
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