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/*
* Configuation settings for the esd TASREG board.
*
* (C) Copyright 2004
* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
/*
* board/config.h - configuration options, board specific
*/
#ifndef _TASREG_H
#define _TASREG_H
#ifndef __ASSEMBLY__
#include <asm/m5249.h>
#endif
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_MCF52x2 /* define processor family */
#define CONFIG_M5249 /* define processor type */
#define CONFIG_MISC_INIT_R 1 /* call misc_init_r() */
#define CONFIG_BAUDRATE 19200
#define CFG_BAUDRATE_TABLE { 9600 , 19200 , 38400 , 57600, 115200 }
#undef CONFIG_WATCHDOG
#undef CONFIG_MONITOR_IS_IN_RAM /* no pre-loader required!!! ;-) */
#define CONFIG_COMMANDS ((CONFIG_CMD_DFL | \
CFG_CMD_BSP | \
CFG_CMD_EEPROM | \
CFG_CMD_I2C ) & \
~(CFG_CMD_NET))
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
#define CONFIG_BOOTDELAY 3
#define CFG_PROMPT "=> "
#define CFG_LONGHELP /* undef to save memory */
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
#else
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
#endif
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
#define CFG_MAXARGS 16 /* max number of command args */
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
#define CFG_DEVICE_NULLDEV 1 /* include nulldev device */
#define CFG_CONSOLE_INFO_QUIET 1 /* don't print console @ startup*/
#define CONFIG_AUTO_COMPLETE 1 /* add autocompletion support */
#define CONFIG_LOOPW 1 /* enable loopw command */
#define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */
#define CFG_LOAD_ADDR 0x200000 /* default load address */
#define CFG_MEMTEST_START 0x400
#define CFG_MEMTEST_END 0x380000
#define CFG_HZ 1000
/*
* Clock configuration: enable only one of the following options
*/
#if 0 /* this setting will run the cpu at 11MHz */
#define CFG_PLL_BYPASS 1 /* bypass PLL for test purpose */
#undef CFG_FAST_CLK /* MCF5249 can run at 140MHz */
#define CFG_CLK 11289600 /* PLL bypass */
#endif
#if 0 /* this setting will run the cpu at 70MHz */
#undef CFG_PLL_BYPASS /* bypass PLL for test purpose */
#undef CFG_FAST_CLK /* MCF5249 can run at 140MHz */
#define CFG_CLK 72185018 /* The next lower speed */
#endif
#if 1 /* this setting will run the cpu at 140MHz */
#undef CFG_PLL_BYPASS /* bypass PLL for test purpose */
#define CFG_FAST_CLK 1 /* MCF5249 can run at 140MHz */
#define CFG_CLK 132025600 /* MCF5249 can run at 140MHz */
#endif
/*
* Low Level Configuration Settings
* (address mappings, register initial values, etc.)
* You should know what you are doing if you make changes here.
*/
#define CFG_MBAR 0x10000000 /* Register Base Addrs */
#define CFG_MBAR2 0x80000000
/*-----------------------------------------------------------------------
* I2C
*/
#define CONFIG_SOFT_I2C
#define CFG_I2C_SPEED 100000 /* I2C speed and slave address */
#define CFG_I2C_SLAVE 0x7F
#define CFG_I2C_EEPROM_ADDR 0x50 /* EEPROM CAT28WC32 */
#define CFG_I2C_EEPROM_ADDR_LEN 2 /* Bytes of address */
/* mask of address bits that overflow into the "EEPROM chip address" */
#define CFG_I2C_EEPROM_ADDR_OVERFLOW 0x01
#define CFG_EEPROM_PAGE_WRITE_BITS 5 /* The Catalyst CAT24WC32 has */
/* 32 byte page write mode using*/
/* last 5 bits of the address */
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
#define CFG_EEPROM_PAGE_WRITE_ENABLE
#if defined (CONFIG_SOFT_I2C)
#if 0 /* push-pull */
#define SDA 0x00800000
#define SCL 0x00000008
#define DIR0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_EN))
#define DIR1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_EN))
#define OUT0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_OUT))
#define OUT1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_OUT))
#define IN0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_READ))
#define IN1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_READ))
#define I2C_INIT {OUT1|=SDA;OUT0|=SCL;}
#define I2C_READ ((IN1&SDA)?1:0)
#define I2C_SDA(x) {if(x)OUT1|=SDA;else OUT1&=~SDA;}
#define I2C_SCL(x) {if(x)OUT0|=SCL;else OUT0&=~SCL;}
#define I2C_DELAY {udelay(5);}
#define I2C_ACTIVE {DIR1|=SDA;}
#define I2C_TRISTATE {DIR1&=~SDA;}
#else /* open-collector */
#define SDA 0x00800000
#define SCL 0x00000008
#define DIR0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_EN))
#define DIR1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_EN))
#define OUT0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_OUT))
#define OUT1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_OUT))
#define IN0 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO_READ))
#define IN1 *((volatile ulong*)(CFG_MBAR2+MCFSIM_GPIO1_READ))
#define I2C_INIT {DIR1&=~SDA;DIR0&=~SCL;OUT1&=~SDA;OUT0&=~SCL;}
#define I2C_READ ((IN1&SDA)?1:0)
#define I2C_SDA(x) {if(x)DIR1&=~SDA;else DIR1|=SDA;}
#define I2C_SCL(x) {if(x)DIR0&=~SCL;else DIR0|=SCL;}
#define I2C_DELAY {udelay(5);}
#define I2C_ACTIVE {DIR1|=SDA;}
#define I2C_TRISTATE {DIR1&=~SDA;}
#endif
#endif
/*-----------------------------------------------------------------------
* Definitions for initial stack pointer and data area (in DPRAM)
*/
#define CFG_INIT_RAM_ADDR 0x20000000
#define CFG_INIT_RAM_END 0x1000 /* End of used area in internal SRAM */
#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_ADDR 0xFFC40000 /* Address of Environment Sector*/
#define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
#define CFG_ENV_SECT_SIZE 0x10000 /* see README - env sector total size */
/*-----------------------------------------------------------------------
* Start addresses for the final memory configuration
* (Set up by the startup code)
* Please note that CFG_SDRAM_BASE _must_ start at 0
*/
#define CFG_SDRAM_BASE 0x00000000
#define CFG_SDRAM_SIZE 16 /* SDRAM size in MB */
#define CFG_FLASH_BASE 0xffc00000
#if 0 /* test-only */
#define CONFIG_PRAM 512 /* test-only for SDRAM problem!!!!!!!!!!!!!!!!!!!! */
#endif
#define CFG_MONITOR_BASE (CFG_FLASH_BASE + 0x400)
#define CFG_MONITOR_LEN 0x20000
#define CFG_MALLOC_LEN (1 * 1024*1024) /* Reserve 1 MB for malloc() */
#define CFG_BOOTPARAMS_LEN 64*1024
/*
* For booting Linux, the board info and command line data
* have to be in the first 8 MB of memory, since this is
* the maximum mapped by the Linux kernel during initialization ??
*/
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
/*-----------------------------------------------------------------------
* FLASH organization
*/
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
#define CFG_FLASH_WORD_SIZE unsigned short /* flash word size (width) */
#define CFG_FLASH_ADDR0 0x5555 /* 1st address for flash config cycles */
#define CFG_FLASH_ADDR1 0x2AAA /* 2nd address for flash config cycles */
/*
* The following defines are added for buggy IOP480 byte interface.
* All other boards should use the standard values (CPCI405 etc.)
*/
#define CFG_FLASH_READ0 0x0000 /* 0 is standard */
#define CFG_FLASH_READ1 0x0001 /* 1 is standard */
#define CFG_FLASH_READ2 0x0002 /* 2 is standard */
#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
/*-----------------------------------------------------------------------
* Cache Configuration
*/
#define CFG_CACHELINE_SIZE 16
/*-----------------------------------------------------------------------
* Memory bank definitions
*/
/* CS0 - AMD Flash, address 0xffc00000 */
#define CFG_CSAR0 0xffc0
#define CFG_CSCR0 0x1980 /* WS=0110, AA=1, PS=10 */
/** Note: There is a CSMR0/DRAM vector problem, need to disable C/I ***/
#define CFG_CSMR0 0x003f0021 /* 4MB, AA=0, WP=0, C/I=1, V=1 */
/* CS1 - FPGA, address 0xe0000000 */
#define CFG_CSAR1 0xe000
#define CFG_CSCR1 0x0d80 /* WS=0011, AA=1, PS=10 */
#define CFG_CSMR1 0x00010001 /* 128kB, AA=0, WP=0, C/I=0, V=1*/
/*-----------------------------------------------------------------------
* Port configuration
*/
#define CFG_GPIO_FUNC 0x00000008 /* Set gpio pins: none */
#define CFG_GPIO1_FUNC 0x00df00f0 /* 36-39(SWITCH),48-52(FPGAs),54*/
#define CFG_GPIO_EN 0x00000008 /* Set gpio output enable */
#define CFG_GPIO1_EN 0x00c70000 /* Set gpio output enable */
#define CFG_GPIO_OUT 0x00000008 /* Set outputs to default state */
#define CFG_GPIO1_OUT 0x00c70000 /* Set outputs to default state */
#define CFG_GPIO1_LED 0x00400000 /* user led */
/*-----------------------------------------------------------------------
* FPGA stuff
*/
#define CFG_FPGA_SPARTAN2 1 /* using Xilinx Spartan 2 now */
#define CFG_FPGA_MAX_SIZE 512*1024 /* 512kByte is enough for XC2S200*/
/* FPGA program pin configuration */
#define CFG_FPGA_PRG 0x00010000 /* FPGA program pin (ppc output) */
#define CFG_FPGA_CLK 0x00040000 /* FPGA clk pin (ppc output) */
#define CFG_FPGA_DATA 0x00020000 /* FPGA data pin (ppc output) */
#define CFG_FPGA_INIT 0x00080000 /* FPGA init pin (ppc input) */
#define CFG_FPGA_DONE 0x00100000 /* FPGA done pin (ppc input) */
#endif /* _TASREG_H */
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