mirror of
https://github.com/AsahiLinux/u-boot
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c2120fbfbc
The sandburst-specific i2c drivers have been deleted, conflict was just over the SPDX conversion. Conflicts: board/sandburst/common/ppc440gx_i2c.c board/sandburst/common/ppc440gx_i2c.h Signed-off-by: Tom Rini <trini@ti.com>
250 lines
9.3 KiB
C
250 lines
9.3 KiB
C
/*
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* (C) Copyright 2001-2003
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* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
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*
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* SPDX-License-Identifier: GPL-2.0+
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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_405EP 1 /* This is a PPC405 CPU */
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#define CONFIG_4xx 1 /* ...member of PPC4xx family */
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#define CONFIG_DP405 1 /* ...on a DP405 board */
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#define CONFIG_SYS_TEXT_BASE 0xFFFD0000
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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 33333300 /* external frequency to pll */
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#define CONFIG_BAUDRATE 9600
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#define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */
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#undef CONFIG_BOOTARGS
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#undef CONFIG_BOOTCOMMAND
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#define CONFIG_PREBOOT /* enable preboot variable */
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#define CONFIG_SYS_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
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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_BSP
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#define CONFIG_CMD_ELF
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#define CONFIG_CMD_I2C
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#define CONFIG_CMD_EEPROM
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#undef CONFIG_CMD_NET
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#undef CONFIG_CMD_NFS
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#undef CONFIG_WATCHDOG /* watchdog disabled */
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#define CONFIG_SDRAM_BANK0 1 /* init onboard SDRAM bank 0 */
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#define CONFIG_PRAM 2 /* reserve 2 kB "protected RAM" */
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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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#undef CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */
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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_DEVICE_NULLDEV 1 /* include nulldev device */
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#define CONFIG_SYS_CONSOLE_INFO_QUIET 1 /* don't print console @ startup*/
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#define CONFIG_SYS_MEMTEST_START 0x0400000 /* memtest works on */
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#define CONFIG_SYS_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
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#define CONFIG_CONS_INDEX 1 /* Use UART0 */
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#define CONFIG_SYS_NS16550
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#define CONFIG_SYS_NS16550_SERIAL
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#define CONFIG_SYS_NS16550_REG_SIZE 1
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#define CONFIG_SYS_NS16550_CLK get_serial_clock()
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#undef CONFIG_SYS_EXT_SERIAL_CLOCK /* no external serial clock used */
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#define CONFIG_SYS_BASE_BAUD 691200
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/* The following table includes the supported baudrates */
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#define CONFIG_SYS_BAUDRATE_TABLE \
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{ 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, \
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57600, 115200, 230400, 460800, 921600 }
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#define CONFIG_SYS_LOAD_ADDR 0x100000 /* default load address */
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#define CONFIG_SYS_EXTBDINFO 1 /* To use extended board_into (bd_t) */
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#define CONFIG_SYS_HZ 1000 /* decrementer freq: 1 ms ticks */
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#define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
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#define CONFIG_VERSION_VARIABLE 1 /* include version env variable */
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/*
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* For booting Linux, the board info and command line data
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* have to be in the first 8 MB of memory, since this is
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* the maximum mapped by the Linux kernel during initialization.
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*/
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#define CONFIG_SYS_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
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/*-----------------------------------------------------------------------
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* FLASH organization
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*/
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#define FLASH_BASE0_PRELIM 0xFFC00000 /* FLASH bank #0 */
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#define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
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#define CONFIG_SYS_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
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#define CONFIG_SYS_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
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#define CONFIG_SYS_FLASH_WRITE_TOUT 1000 /* Timeout for Flash Write (in ms) */
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#define CONFIG_SYS_FLASH_WORD_SIZE unsigned short /* flash word size (width) */
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#define CONFIG_SYS_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */
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#define CONFIG_SYS_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */
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/*
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* The following defines are added for buggy IOP480 byte interface.
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* All other boards should use the standard values (CPCI405 etc.)
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*/
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#define CONFIG_SYS_FLASH_READ0 0x0000 /* 0 is standard */
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#define CONFIG_SYS_FLASH_READ1 0x0001 /* 1 is standard */
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#define CONFIG_SYS_FLASH_READ2 0x0002 /* 2 is standard */
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#define CONFIG_SYS_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
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/*-----------------------------------------------------------------------
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* Start addresses for the final memory configuration
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* (Set up by the startup code)
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* Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
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*/
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#define CONFIG_SYS_SDRAM_BASE 0x00000000
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#define CONFIG_SYS_FLASH_BASE CONFIG_SYS_MONITOR_BASE
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#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
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#define CONFIG_SYS_MONITOR_LEN (~(CONFIG_SYS_TEXT_BASE) + 1)
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#define CONFIG_SYS_MALLOC_LEN (256 * 1024)
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#if (CONFIG_SYS_MONITOR_BASE < FLASH_BASE0_PRELIM)
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# define CONFIG_SYS_RAMBOOT 1
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#else
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# undef CONFIG_SYS_RAMBOOT
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#endif
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/*-----------------------------------------------------------------------
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* Environment Variable setup
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*/
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#define CONFIG_ENV_IS_IN_EEPROM 1 /* use EEPROM for environment vars */
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#define CONFIG_ENV_OFFSET 0x100 /* environment starts at the beginning of the EEPROM */
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#define CONFIG_ENV_SIZE 0x700 /* 2048 bytes may be used for env vars*/
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/* total size of a CAT24WC16 is 2048 bytes */
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/*-----------------------------------------------------------------------
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* I2C EEPROM (CAT24WC16) for environment
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*/
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#define CONFIG_SYS_I2C
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#define CONFIG_SYS_I2C_PPC4XX
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#define CONFIG_SYS_I2C_PPC4XX_CH0
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#define CONFIG_SYS_I2C_PPC4XX_SPEED_0 400000
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#define CONFIG_SYS_I2C_PPC4XX_SLAVE_0 0x7F
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#define CONFIG_SYS_I2C_EEPROM_ADDR 0x50 /* EEPROM CAT28WC08 */
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#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 /* Bytes of address */
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/* mask of address bits that overflow into the "EEPROM chip address" */
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#define CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW 0x07
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#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4 /* The Catalyst CAT24WC08 has */
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/* 16 byte page write mode using*/
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/* last 4 bits of the address */
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#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
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/*-----------------------------------------------------------------------
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* External Bus Controller (EBC) Setup
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*/
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#define CAN_BA 0xF0000000 /* CAN Base Address */
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/* Memory Bank 0 (Flash Bank 0, NOR-FLASH) initialization */
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#define CONFIG_SYS_EBC_PB0AP 0x92015480
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#define CONFIG_SYS_EBC_PB0CR 0xFFC5A000 /* BAS=0xFFC,BS=4MB,BU=R/W,BW=16bit */
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/* Memory Bank 2 (8 Bit Peripheral: CAN, UART, RTC) initialization */
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#define CONFIG_SYS_EBC_PB2AP 0x010053C0 /* BWT=2,WBN=1,WBF=1,TH=1,RE=1,SOR=1,BEM=1 */
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#define CONFIG_SYS_EBC_PB2CR 0xF0018000 /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit */
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/*-----------------------------------------------------------------------
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* FPGA stuff
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*/
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/* FPGA program pin configuration */
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#define CONFIG_SYS_FPGA_PRG 0x04000000 /* JTAG TMS pin (ppc output) */
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#define CONFIG_SYS_FPGA_CLK 0x02000000 /* JTAG TCK pin (ppc output) */
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#define CONFIG_SYS_FPGA_DATA 0x01000000 /* JTAG TDO->TDI data pin (ppc output) */
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#define CONFIG_SYS_FPGA_INIT 0x00010000 /* unused (ppc input) */
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#define CONFIG_SYS_FPGA_DONE 0x00008000 /* JTAG TDI->TDO pin (ppc input) */
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/*-----------------------------------------------------------------------
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* Definitions for initial stack pointer and data area (in data cache)
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*/
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/* use on chip memory ( OCM ) for temperary stack until sdram is tested */
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#define CONFIG_SYS_TEMP_STACK_OCM 1
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/* On Chip Memory location */
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#define CONFIG_SYS_OCM_DATA_ADDR 0xF8000000
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#define CONFIG_SYS_OCM_DATA_SIZE 0x1000
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#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_OCM_DATA_ADDR /* inside of SDRAM */
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#define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_OCM_DATA_SIZE /* Size of used area in RAM */
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#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
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#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
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/*-----------------------------------------------------------------------
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* Definitions for GPIO setup (PPC405EP specific)
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*
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* GPIO0[0] - External Bus Controller BLAST output
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* GPIO0[1-9] - Instruction trace outputs -> GPIO
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* GPIO0[10-13] - External Bus Controller CS_1 - CS_4 outputs
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* GPIO0[14-16] - External Bus Controller ABUS3-ABUS5 outputs -> GPIO
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* GPIO0[17-23] - External Interrupts IRQ0 - IRQ6 inputs
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* GPIO0[24-27] - UART0 control signal inputs/outputs
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* GPIO0[28-29] - UART1 data signal input/output
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* GPIO0[30-31] - EMAC0 and EMAC1 reject packet inputs
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*/
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/* GPIO Input: OSR=00, ISR=00, TSR=00, TCR=0 */
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/* GPIO Output: OSR=00, ISR=00, TSR=00, TCR=1 */
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/* Alt. Funtion Input: OSR=00, ISR=01, TSR=00, TCR=0 */
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/* Alt. Funtion Output: OSR=01, ISR=00, TSR=00, TCR=1 */
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#define CONFIG_SYS_GPIO0_OSRL 0x40000540 /* 0 ... 15 */
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#define CONFIG_SYS_GPIO0_OSRH 0x00000110 /* 16 ... 31 */
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#define CONFIG_SYS_GPIO0_ISR1L 0x00000000 /* 0 ... 15 */
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#define CONFIG_SYS_GPIO0_ISR1H 0x14000045 /* 16 ... 31 */
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#define CONFIG_SYS_GPIO0_TSRL 0x00000000 /* 0 ... 15 */
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#define CONFIG_SYS_GPIO0_TSRH 0x00000000 /* 16 ... 31 */
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#define CONFIG_SYS_GPIO0_TCR 0xB7FE0014 /* 0 ... 31 */
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/*
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* Default speed selection (cpu_plb_opb_ebc) in mhz.
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* This value will be set if iic boot eprom is disabled.
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*/
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#define PLLMR0_DEFAULT PLLMR0_133_66_66_33
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#define PLLMR1_DEFAULT PLLMR1_133_66_66_33
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#endif /* __CONFIG_H */
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