mirror of
https://github.com/AsahiLinux/u-boot
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363 lines
13 KiB
C
363 lines
13 KiB
C
/*
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* (C) Copyright 2002 Wolfgang Grandegger <wg@denx.de>
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*
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* This file is based on similar values for other boards found in
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* other U-Boot config files, mainly tqm8260.h and mpc8260ads.h.
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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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* Config header file for a Interphase 4539 PMC, 64 MB SDRAM, 4MB Flash.
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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#undef DEBUG /* General debug */
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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_MPC8260 1 /* This is an MPC8260 CPU */
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#define CONFIG_IPHASE4539 1 /* ...on a Interphase 4539 PMC */
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#define CONFIG_CPM2 1 /* Has a CPM2 */
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/*-----------------------------------------------------------------------
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* select serial console configuration
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*
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* if either CONFIG_CONS_ON_SMC or CONFIG_CONS_ON_SCC is selected, then
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* CONFIG_CONS_INDEX must be set to the channel number (1-2 for SMC, 1-4
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* for SCC).
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*
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* if CONFIG_CONS_NONE is defined, then the serial console routines must
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* defined elsewhere (for example, on the cogent platform, there are serial
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* ports on the motherboard which are used for the serial console - see
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* cogent/cma101/serial.[ch]).
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*/
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#define CONFIG_CONS_ON_SMC /* define if console on SMC */
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#undef CONFIG_CONS_ON_SCC /* define if console on SCC */
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#undef CONFIG_CONS_NONE /* define if console on something else */
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#define CONFIG_CONS_INDEX 1 /* which serial channel for console */
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/*-----------------------------------------------------------------------
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* select ethernet configuration
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*
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* if either CONFIG_ETHER_ON_SCC or CONFIG_ETHER_ON_FCC is selected, then
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* CONFIG_ETHER_INDEX must be set to the channel number (1-4 for SCC, 1-3
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* for FCC)
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*
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* if CONFIG_ETHER_NONE is defined, then either the ethernet routines must be
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* defined elsewhere (as for the console), or CONFIG_CMD_NET must be unset.
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*/
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#undef CONFIG_ETHER_ON_SCC /* define if ether on SCC */
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#define CONFIG_ETHER_ON_FCC /* define if ether on FCC */
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#undef CONFIG_ETHER_NONE /* define if ether on something else */
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#define CONFIG_ETHER_INDEX 3 /* which channel for ether */
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#if defined(CONFIG_ETHER_ON_FCC) && (CONFIG_ETHER_INDEX == 3)
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/*-----------------------------------------------------------------------
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* - Rx-CLK is CLK14
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* - Tx-CLK is CLK16
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* - Select bus for bd/buffers (see 28-13)
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* - Half duplex
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*/
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# define CFG_CMXFCR_MASK (CMXFCR_FC3 | CMXFCR_RF3CS_MSK | CMXFCR_TF3CS_MSK)
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# define CFG_CMXFCR_VALUE (CMXFCR_RF3CS_CLK14 | CMXFCR_TF3CS_CLK16)
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# define CFG_CPMFCR_RAMTYPE 0
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# define CFG_FCC_PSMR (FCC_PSMR_FDE|FCC_PSMR_LPB)
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#endif /* CONFIG_ETHER_ON_FCC, CONFIG_ETHER_INDEX */
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/* other options */
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#define CONFIG_8260_CLKIN 66666666 /* in Hz */
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#define CONFIG_BAUDRATE 19200
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/*
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* BOOTP options
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*/
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#define CONFIG_BOOTP_SUBNETMASK
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#define CONFIG_BOOTP_GATEWAY
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#define CONFIG_BOOTP_HOSTNAME
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#define CONFIG_BOOTP_BOOTPATH
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#define CONFIG_BOOTP_BOOTFILESIZE
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/*
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* select i2c support configuration
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*
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* Supported configurations are {none, software, hardware} drivers.
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* If the software driver is chosen, there are some additional
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* configuration items that the driver uses to drive the port pins.
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*/
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#undef CONFIG_HARD_I2C /* I2C with hardware support */
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#define CONFIG_SOFT_I2C 1 /* I2C bit-banged */
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#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
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#define CFG_I2C_SLAVE 0x7F
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/*
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* Software (bit-bang) I2C driver configuration
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*/
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#ifdef CONFIG_SOFT_I2C
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#define I2C_PORT 3 /* Port A=0, B=1, C=2, D=3 */
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#define I2C_ACTIVE (iop->pdir |= 0x00010000)
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#define I2C_TRISTATE (iop->pdir &= ~0x00010000)
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#define I2C_READ ((iop->pdat & 0x00010000) != 0)
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#define I2C_SDA(bit) if(bit) iop->pdat |= 0x00010000; \
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else iop->pdat &= ~0x00010000
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#define I2C_SCL(bit) if(bit) iop->pdat |= 0x00020000; \
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else iop->pdat &= ~0x00020000
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#define I2C_DELAY udelay(5) /* 1/4 I2C clock duration */
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#endif /* CONFIG_SOFT_I2C */
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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_BOOTDELAY 5 /* autoboot after 5 seconds */
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#define CONFIG_BOOTCOMMAND "bootm 100000" /* autoboot command */
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#define CONFIG_BOOTARGS "root=/dev/ram rw"
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#if defined(CONFIG_CMD_KGDB)
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#undef CONFIG_KGDB_ON_SMC /* define if kgdb on SMC */
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#define CONFIG_KGDB_ON_SCC /* define if kgdb on SCC */
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#undef CONFIG_KGDB_NONE /* define if kgdb on something else */
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#define CONFIG_KGDB_INDEX 2 /* which serial channel for kgdb */
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#define CONFIG_KGDB_BAUDRATE 115200 /* speed to run kgdb serial port at */
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#endif
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#undef CONFIG_WATCHDOG /* disable platform specific watchdog */
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/*-----------------------------------------------------------------------
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* Miscellaneous configurable options
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*/
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#define CFG_LONGHELP /* undef to save memory */
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#define CFG_PROMPT "=> " /* Monitor Command Prompt */
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#if defined(CONFIG_CMD_KGDB)
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#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
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#else
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#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
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#endif
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#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
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#define CFG_MAXARGS 16 /* max number of command args */
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#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
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#define CFG_MEMTEST_START 0x00100000 /* memtest works on */
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#define CFG_MEMTEST_END 0x00F00000 /* 1 ... 15 MB in DRAM */
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#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passed to Linux in MHz */
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/* for versions < 2.4.5-pre5 */
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#define CFG_LOAD_ADDR 0x100000 /* default load address */
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#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
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#define CFG_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
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#define CFG_RESET_ADDRESS 0x04400000
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#define CONFIG_MISC_INIT_R 1 /* We need misc_init_r() */
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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 CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
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/*-----------------------------------------------------------------------
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* Start addresses for the final memory configuration (Setup by the
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* startup code). Please note that CFG_SDRAM_BASE _must_ start at 0.
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*/
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#define CFG_SDRAM_BASE 0x00000000
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#define CFG_FLASH_BASE 0xFF800000
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#define CFG_MONITOR_BASE TEXT_BASE
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#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
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#define CFG_MALLOC_LEN (128 << 10) /* Reserve 128 kB for malloc() */
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/*-----------------------------------------------------------------------
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* FLASH organization
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*/
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#define CFG_MAX_FLASH_BANKS 1 /* max num of memory banks */
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#define CFG_MAX_FLASH_SECT 64 /* max num of sects on one chip */
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#define CFG_MAX_FLASH_SIZE (CFG_MAX_FLASH_SECT * 0x10000) /* 4 MB */
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#define CFG_FLASH_ERASE_TOUT 2400000 /* Flash Erase Timeout (in ms) */
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#define CFG_FLASH_WRITE_TOUT 500 /* Flash Write Timeout (in ms) */
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/* Environment in FLASH, there is little space left in Serial EEPROM */
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#define CFG_ENV_IS_IN_FLASH 1
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#define CFG_ENV_SECT_SIZE 0x10000 /* We use one complete sector */
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#define CFG_ENV_ADDR (CFG_FLASH_BASE + 0x10000) /* 2. sector */
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/*-----------------------------------------------------------------------
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* Hard Reset Configuration Words
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*
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* if you change bits in the HRCW, you must also change the CFG_*
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* defines for the various registers affected by the HRCW e.g. changing
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* HRCW_DPPCxx requires you to also change CFG_SIUMCR.
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*/
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#define CFG_HRCW_MASTER ( ( HRCW_BPS01 | HRCW_EBM ) |\
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( HRCW_L2CPC10 | HRCW_ISB110 ) |\
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( HRCW_MMR11 | HRCW_APPC10 ) |\
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( HRCW_CS10PC01 | HRCW_MODCK_H0101 ) \
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) /* 0x14863245 */
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/* no slaves */
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#define CFG_HRCW_SLAVE1 0
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#define CFG_HRCW_SLAVE2 0
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#define CFG_HRCW_SLAVE3 0
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#define CFG_HRCW_SLAVE4 0
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#define CFG_HRCW_SLAVE5 0
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#define CFG_HRCW_SLAVE6 0
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#define CFG_HRCW_SLAVE7 0
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/*-----------------------------------------------------------------------
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* Internal Memory Mapped Register
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*/
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#define CFG_IMMR 0xFF000000 /* We keep original value */
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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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#define CFG_INIT_RAM_ADDR CFG_IMMR
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#define CFG_INIT_RAM_END 0x4000 /* End of used area in DPRAM */
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#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
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#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
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#define CFG_INIT_SP_OFFSET CFG_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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/*-----------------------------------------------------------------------
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* Cache Configuration
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*/
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#define CFG_CACHELINE_SIZE 32 /* For MPC8260 CPU */
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#if defined(CONFIG_CMD_KGDB)
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# define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
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#endif
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/*-----------------------------------------------------------------------
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* HIDx - Hardware Implementation-dependent Registers 2-11
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*-----------------------------------------------------------------------
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* HID0 also contains cache control.
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*
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* HID1 has only read-only information - nothing to set.
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*/
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#define CFG_HID0_INIT (HID0_ICE|HID0_DCE|HID0_ICFI|HID0_DCI|\
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HID0_IFEM|HID0_ABE)
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#define CFG_HID0_FINAL (HID0_IFEM|HID0_ABE)
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#define CFG_HID2 0
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/*-----------------------------------------------------------------------
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* RMR - Reset Mode Register 5-5
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*-----------------------------------------------------------------------
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* turn on Checkstop Reset Enable
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*/
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#define CFG_RMR RMR_CSRE
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/*-----------------------------------------------------------------------
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* BCR - Bus Configuration 4-25
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*-----------------------------------------------------------------------
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*/
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#define CFG_BCR 0xA01C0000
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/*-----------------------------------------------------------------------
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* SIUMCR - SIU Module Configuration 4-31
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*-----------------------------------------------------------------------
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*/
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#define CFG_SIUMCR 0X4205C000
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/*-----------------------------------------------------------------------
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* SYPCR - System Protection Control 4-35
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* SYPCR can only be written once after reset!
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*-----------------------------------------------------------------------
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* Watchdog & Bus Monitor Timer max, 60x Bus Monitor enable
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*/
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#if defined (CONFIG_WATCHDOG)
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#define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
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SYPCR_SWRI|SYPCR_SWP|SYPCR_SWE)
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#else
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#define CFG_SYPCR (SYPCR_SWTC|SYPCR_BMT|SYPCR_PBME|SYPCR_LBME|\
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SYPCR_SWRI|SYPCR_SWP)
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#endif /* CONFIG_WATCHDOG */
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/*-----------------------------------------------------------------------
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* TMCNTSC - Time Counter Status and Control 4-40
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* Clear once per Second and Alarm Interrupt Status, Set 32KHz timersclk,
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* and enable Time Counter
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*-----------------------------------------------------------------------
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*/
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#define CFG_TMCNTSC (TMCNTSC_SEC|TMCNTSC_ALR|TMCNTSC_TCF|TMCNTSC_TCE)
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/*-----------------------------------------------------------------------
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* PISCR - Periodic Interrupt Status and Control 4-42
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*-----------------------------------------------------------------------
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* Clear Periodic Interrupt Status, Set 32KHz timersclk, and enable
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* Periodic timer
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*/
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#define CFG_PISCR (PISCR_PS|PISCR_PTF|PISCR_PTE)
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/*-----------------------------------------------------------------------
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* SCCR - System Clock Control 9-8
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*-----------------------------------------------------------------------
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* Ensure DFBRG is Divide by 16
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*/
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#define CFG_SCCR 0
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/*-----------------------------------------------------------------------
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* RCCR - RISC Controller Configuration 13-7
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*-----------------------------------------------------------------------
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*/
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#define CFG_RCCR 0
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/*-----------------------------------------------------------------------
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* Init Memory Controller:
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*
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* Bank Bus Machine PortSz Device
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* ---- --- ------- ------ ------
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* 0 60x GPCM 64 bit FLASH
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* 1 60x SDRAM 64 bit SDRAM
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*/
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#define CFG_BR0_PRELIM ((CFG_FLASH_BASE & BRx_BA_MSK) | 0x0801)
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#define CFG_OR0_PRELIM 0xFF800882
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#define CFG_BR1_PRELIM ((CFG_SDRAM_BASE & BRx_BA_MSK) | 0x0041)
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#define CFG_OR1_PRELIM 0xF8002CD0
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#define CFG_PSDMR 0x404A241A
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#define CFG_MPTPR 0x00007400
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#define CFG_PSRT 0x00000007
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#endif /* __CONFIG_H */
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