mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-11 13:46:17 +09:00
700a0c648d
Old, obsolete and duplicated code was cleaned up and replace by the new partitioning method. There are two possible approaches now: * define a single, static partition * use mtdparts command line option and dynamic partitioning Default is static partitioning.
477 lines
16 KiB
C
477 lines
16 KiB
C
/*
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* (C) Copyright 2000-2005
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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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_MPC823 1 /* This is a MPC823 CPU */
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#define CONFIG_R360MPI 1
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#define CONFIG_LCD
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#undef CONFIG_EDT32F10
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#define CONFIG_SHARP_LQ057Q3DC02
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#define CONFIG_SPLASH_SCREEN
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#define MPC8XX_FACT 1 /* Multiply by 1 */
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#define MPC8XX_XIN 50000000 /* 50 MHz in */
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#define CONFIG_8xx_GCLK_FREQ 50000000 /* define if can't use get_gclk_freq */
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#define CONFIG_8xx_CONS_SMC1 1 /* Console is on SMC1 */
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#undef CONFIG_8xx_CONS_SMC2
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#undef CONFIG_8xx_CONS_NONE
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#define CONFIG_BAUDRATE 115200 /* console baudrate in bps */
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#if 0
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#define CONFIG_BOOTDELAY 0 /* immediate boot */
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#else
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#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
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#endif
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#define CONFIG_CLOCKS_IN_MHZ 1 /* clocks passsed to Linux in MHz */
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#define CONFIG_PREBOOT "echo;echo Type \"run flash_nfs\" to mount root filesystem over NFS;echo"
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#undef CONFIG_BOOTARGS
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#define CONFIG_BOOTCOMMAND \
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"bootp; " \
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"setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
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"ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; " \
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"bootm"
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#undef CONFIG_SCC1_ENET
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#define CONFIG_SCC2_ENET
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#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
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#undef CFG_LOADS_BAUD_CHANGE /* don't allow baudrate change */
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#define CONFIG_MISC_INIT_R /* have misc_init_r() function */
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#undef CONFIG_WATCHDOG /* watchdog disabled */
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#define CONFIG_CAN_DRIVER /* CAN Driver support enabled */
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#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
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#define CONFIG_MAC_PARTITION
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#define CONFIG_DOS_PARTITION
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#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
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#define CONFIG_HARD_I2C 1 /* To I2C with hardware support */
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#undef CONFIG_SORT_I2C /* To I2C with software support */
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#define CFG_I2C_SPEED 4700 /* 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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#define PB_SCL 0x00000020 /* PB 26 */
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#define PB_SDA 0x00000010 /* PB 27 */
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#define I2C_INIT (immr->im_cpm.cp_pbdir |= PB_SCL)
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#define I2C_ACTIVE (immr->im_cpm.cp_pbdir |= PB_SDA)
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#define I2C_TRISTATE (immr->im_cpm.cp_pbdir &= ~PB_SDA)
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#define I2C_READ ((immr->im_cpm.cp_pbdat & PB_SDA) != 0)
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#define I2C_SDA(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SDA; \
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else immr->im_cpm.cp_pbdat &= ~PB_SDA
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#define I2C_SCL(bit) if(bit) immr->im_cpm.cp_pbdat |= PB_SCL; \
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else immr->im_cpm.cp_pbdat &= ~PB_SCL
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#define I2C_DELAY udelay(50)
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#define CFG_I2C_LCD_ADDR 0x8 /* LCD Control */
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#define CFG_I2C_KEY_ADDR 0x9 /* Keyboard coprocessor */
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#define CFG_I2C_TEM_ADDR 0x49 /* Temperature Sensors */
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#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
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CFG_CMD_BMP | \
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CFG_CMD_BSP | \
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CFG_CMD_DATE | \
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CFG_CMD_DHCP | \
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CFG_CMD_I2C | \
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CFG_CMD_IDE | \
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CFG_CMD_JFFS2 | \
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CFG_CMD_NFS | \
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CFG_CMD_PCMCIA | \
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CFG_CMD_SNTP )
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/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
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#include <cmd_confdefs.h>
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/*
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* Miscellaneous configurable options
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*/
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#define CFG_DEVICE_NULLDEV 1 /* we need the null device */
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#define CFG_CONSOLE_IS_IN_ENV 1 /* must set console from env */
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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 (CONFIG_COMMANDS & CFG_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 0x0400000 /* memtest works on */
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#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
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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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/*
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* JFFS2 partitions
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*/
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/* No command line, one static partition
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* use all the space starting at offset 3MB*/
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#undef CONFIG_JFFS2_CMDLINE
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#define CONFIG_JFFS2_DEV "nor0"
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#define CONFIG_JFFS2_PART_SIZE 0xFFFFFFFF
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#define CONFIG_JFFS2_PART_OFFSET 0x00300000
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/* mtdparts command line support */
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/*
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#define CONFIG_JFFS2_CMDLINE
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#define MTDIDS_DEFAULT "nor0=r360-0"
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#define MTDPARTS_DEFAULT "mtdparts=r360-0:-@3m(user)"
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*/
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/*
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* Low Level Configuration Settings
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* (address mappings, register initial values, etc.)
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* You should know what you are doing if you make changes here.
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*/
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/*-----------------------------------------------------------------------
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* Internal Memory Mapped Register
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*/
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#define CFG_IMMR 0xFF000000
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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 0x2F00 /* End of used area in DPRAM */
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#define CFG_GBL_DATA_SIZE 64 /* 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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* Start addresses for the final memory configuration
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* (Set up by the startup code)
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* 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 0x40000000
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#if defined(DEBUG)
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#define CFG_MONITOR_LEN (256 << 10) /* Reserve 256 kB for Monitor */
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#else
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#define CFG_MONITOR_LEN (192 << 10) /* Reserve 192 kB for Monitor */
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#endif
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#define CFG_MONITOR_BASE CFG_FLASH_BASE
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#define CFG_MALLOC_LEN (128 << 10) /* 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 CFG_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 CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
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#define CFG_MAX_FLASH_SECT 128 /* max number of sectors on one chip */
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#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
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#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
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#define CFG_ENV_IS_IN_FLASH 1
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#define CFG_ENV_OFFSET 0x40000 /* Offset of Environment */
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#define CFG_ENV_SECT_SIZE 0x20000 /* Total Size of Environment sector */
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#define CFG_ENV_SIZE 0x4000 /* Used Size of Environment sector */
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/*-----------------------------------------------------------------------
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* Cache Configuration
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*/
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#define CFG_CACHELINE_SIZE 16 /* For all MPC8xx CPUs */
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#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
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#define CFG_CACHELINE_SHIFT 4 /* log base 2 of the above value */
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#endif
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/*-----------------------------------------------------------------------
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* SYPCR - System Protection Control 11-9
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* SYPCR can only be written once after reset!
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*-----------------------------------------------------------------------
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* Software & Bus Monitor Timer max, Bus Monitor enable, SW Watchdog freeze
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*/
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#if defined(CONFIG_WATCHDOG)
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#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | \
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SYPCR_SWE | SYPCR_SWRI| SYPCR_SWP)
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#else
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#define CFG_SYPCR (SYPCR_SWTC | SYPCR_BMT | SYPCR_BME | SYPCR_SWF | SYPCR_SWP)
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#endif
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/*-----------------------------------------------------------------------
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* SIUMCR - SIU Module Configuration 11-6
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*-----------------------------------------------------------------------
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* PCMCIA config., multi-function pin tri-state
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*/
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#define CFG_SIUMCR (SIUMCR_DBGC00 | SIUMCR_DBPC00 | SIUMCR_MLRC01)
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/*-----------------------------------------------------------------------
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* TBSCR - Time Base Status and Control 11-26
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*-----------------------------------------------------------------------
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* Clear Reference Interrupt Status, Timebase freezing enabled
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*/
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#define CFG_TBSCR (TBSCR_REFA | TBSCR_REFB | TBSCR_TBE)
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/*-----------------------------------------------------------------------
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* RTCSC - Real-Time Clock Status and Control Register 11-27
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*-----------------------------------------------------------------------
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*/
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#define CFG_RTCSC (RTCSC_SEC | RTCSC_ALR | RTCSC_RTF| RTCSC_RTE)
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/*-----------------------------------------------------------------------
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* PISCR - Periodic Interrupt Status and Control 11-31
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*-----------------------------------------------------------------------
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* Clear Periodic Interrupt Status, Interrupt Timer freezing enabled
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*/
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#define CFG_PISCR (PISCR_PS | PISCR_PITF)
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/*-----------------------------------------------------------------------
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* PLPRCR - PLL, Low-Power, and Reset Control Register 15-30
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*-----------------------------------------------------------------------
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* Reset PLL lock status sticky bit, timer expired status bit and timer
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* interrupt status bit
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*
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* If this is a 80 MHz CPU, set PLL multiplication factor to 5 (5*16=80)!
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*/
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#ifdef CONFIG_80MHz /* for 80 MHz, we use a 16 MHz clock * 5 */
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#define CFG_PLPRCR \
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( (5-1)<<PLPRCR_MF_SHIFT | PLPRCR_TEXPS | PLPRCR_TMIST )
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#else /* up to 50 MHz we use a 1:1 clock */
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#define CFG_PLPRCR (PLPRCR_SPLSS | PLPRCR_TEXPS | PLPRCR_TMIST)
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#endif /* CONFIG_80MHz */
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/*-----------------------------------------------------------------------
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* SCCR - System Clock and reset Control Register 15-27
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*-----------------------------------------------------------------------
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* Set clock output, timebase and RTC source and divider,
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* power management and some other internal clocks
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*/
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#define SCCR_MASK SCCR_EBDF11
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#define CFG_SCCR (SCCR_TBS | \
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SCCR_COM00 | SCCR_DFSYNC00 | SCCR_DFBRG00 | \
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SCCR_DFNL000 | SCCR_DFNH000 | SCCR_DFLCD000 | \
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SCCR_DFALCD00)
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/*-----------------------------------------------------------------------
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* PCMCIA stuff
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*-----------------------------------------------------------------------
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*
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*/
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#define CFG_PCMCIA_MEM_ADDR (0xE0000000)
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#define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
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#define CFG_PCMCIA_DMA_ADDR (0xE4000000)
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#define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
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#define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
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#define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
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#define CFG_PCMCIA_IO_ADDR (0xEC000000)
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#define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
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/*-----------------------------------------------------------------------
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* IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
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*-----------------------------------------------------------------------
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*/
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#if 1
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#define CONFIG_IDE_8xx_PCCARD 1 /* Use IDE with PC Card Adapter */
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#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */
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#undef CONFIG_IDE_LED /* LED for ide not supported */
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#undef CONFIG_IDE_RESET /* reset for ide not supported */
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#define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
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#define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
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#define CFG_ATA_IDE0_OFFSET 0x0000
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#define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
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/* Offset for data I/O */
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#define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
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/* Offset for normal register accesses */
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#define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
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/* Offset for alternate registers */
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#define CFG_ATA_ALT_OFFSET 0x0100
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#endif
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/*-----------------------------------------------------------------------
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*
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*-----------------------------------------------------------------------
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*
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*/
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#define CFG_DER 0
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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 0x40000000 /* FLASH bank #0 */
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/* used to re-map FLASH both when starting from SRAM or FLASH:
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* restrict access enough to keep SRAM working (if any)
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* but not too much to meddle with FLASH accesses
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*/
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#define CFG_REMAP_OR_AM 0x80000000 /* OR addr mask */
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#define CFG_PRELIM_OR_AM 0xFF000000 /* OR addr mask */
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/*
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* FLASH timing:
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*/
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#define CFG_OR_TIMING_FLASH (OR_ACS_DIV1 | OR_SCY_7_CLK | OR_BI)
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#define CFG_OR0_REMAP (CFG_REMAP_OR_AM | CFG_OR_TIMING_FLASH)
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#define CFG_OR0_PRELIM (CFG_PRELIM_OR_AM | CFG_OR_TIMING_FLASH)
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#define CFG_BR0_PRELIM ((FLASH_BASE0_PRELIM & BR_BA_MSK) | BR_PS_16 | BR_V )
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/*
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* BR2 and OR2 (SDRAM)
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*
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*/
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#define SDRAM_BASE2_PRELIM 0x00000000 /* SDRAM bank #0 */
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#define SDRAM_MAX_SIZE 0x04000000 /* max 64 MB per bank */
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#define CFG_PRELIM_OR2_AM 0xF8000000 /* OR addr mask */
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/* SDRAM timing: Multiplexed addresses, GPL5 output to GPL5_A (don't care) */
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#define CFG_OR_TIMING_SDRAM (OR_ACS_DIV1 | OR_CSNT_SAM | \
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OR_SCY_0_CLK | OR_G5LS)
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#define CFG_OR2_PRELIM (CFG_PRELIM_OR2_AM | CFG_OR_TIMING_SDRAM )
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#define CFG_BR2_PRELIM ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMA | BR_V )
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/*
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* BR3 and OR3 (CAN Controller)
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*/
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#ifdef CONFIG_CAN_DRIVER
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#define CFG_CAN_BASE 0xC0000000 /* CAN base address */
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#define CFG_CAN_OR_AM 0xFFFF8000 /* 32 kB address mask */
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#define CFG_OR3_CAN (CFG_CAN_OR_AM | OR_G5LA |OR_BI)
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#define CFG_BR3_CAN ((CFG_CAN_BASE & BR_BA_MSK) | \
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BR_PS_8 | BR_MS_UPMB | BR_V)
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#endif /* CONFIG_CAN_DRIVER */
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/*
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* Memory Periodic Timer Prescaler
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*
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* The Divider for PTA (refresh timer) configuration is based on an
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* example SDRAM configuration (64 MBit, one bank). The adjustment to
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* the number of chip selects (NCS) and the actually needed refresh
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* rate is done by setting MPTPR.
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*
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* PTA is calculated from
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* PTA = (gclk * Trefresh) / ((2 ^ (2 * DFBRG)) * PTP * NCS)
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*
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* gclk CPU clock (not bus clock!)
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* Trefresh Refresh cycle * 4 (four word bursts used)
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*
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* 4096 Rows from SDRAM example configuration
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* 1000 factor s -> ms
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* 32 PTP (pre-divider from MPTPR) from SDRAM example configuration
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* 4 Number of refresh cycles per period
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* 64 Refresh cycle in ms per number of rows
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* --------------------------------------------
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* Divider = 4096 * 32 * 1000 / (4 * 64) = 512000
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*
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* 50 MHz => 50.000.000 / Divider = 98
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* 66 Mhz => 66.000.000 / Divider = 129
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* 80 Mhz => 80.000.000 / Divider = 156
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*/
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#if defined(CONFIG_80MHz)
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#define CFG_MAMR_PTA 156
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#elif defined(CONFIG_66MHz)
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#define CFG_MAMR_PTA 129
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#else /* 50 MHz */
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#define CFG_MAMR_PTA 98
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#endif /*CONFIG_??MHz */
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/*
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* For 16 MBit, refresh rates could be 31.3 us
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* (= 64 ms / 2K = 125 / quad bursts).
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* For a simpler initialization, 15.6 us is used instead.
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*
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* #define CFG_MPTPR_2BK_2K MPTPR_PTP_DIV32 for 2 banks
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* #define CFG_MPTPR_1BK_2K MPTPR_PTP_DIV64 for 1 bank
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*/
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#define CFG_MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
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#define CFG_MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
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/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
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#define CFG_MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
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#define CFG_MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
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/*
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* MAMR settings for SDRAM
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*/
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/* 8 column SDRAM */
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#define CFG_MAMR_8COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
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MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
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MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
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/* 9 column SDRAM */
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#define CFG_MAMR_9COL ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
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MAMR_AMA_TYPE_1 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A10 | \
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MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
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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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