1 /* 2 * Copyright (C) 2008, Guennadi Liakhovetski <lg@denx.de> 3 * 4 * Configuration settings for the MX31ADS Freescale board. 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation; either version 2 of 9 * the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 19 * MA 02111-1307 USA 20 */ 21 22 #ifndef __CONFIG_H 23 #define __CONFIG_H 24 25 #include <asm/arch/mx31-regs.h> 26 27 /* High Level Configuration Options */ 28 #define CONFIG_ARM1136 1 /* This is an arm1136 CPU core */ 29 #define CONFIG_MX31 1 /* in a mx31 */ 30 #define CONFIG_MX31_HCLK_FREQ 26000000 /* RedBoot says 26MHz */ 31 #define CONFIG_MX31_CLK32 32000 32 33 #define CONFIG_DISPLAY_CPUINFO 34 #define CONFIG_DISPLAY_BOARDINFO 35 36 /* 37 * Disabled for now due to build problems under Debian and 38 * a significant increase in the final file size: 144260 vs. 109536 Bytes 39 */ 40 #if 0 41 #define CONFIG_OF_LIBFDT 1 42 #define CONFIG_FIT 1 43 #define CONFIG_FIT_VERBOSE 1 44 #endif 45 46 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 47 #define CONFIG_SETUP_MEMORY_TAGS 1 48 #define CONFIG_INITRD_TAG 1 49 50 /* 51 * Size of malloc() pool 52 */ 53 #define CFG_MALLOC_LEN (CFG_ENV_SIZE + 128 * 1024) 54 #define CFG_GBL_DATA_SIZE 128 /* num bytes reserved for initial data */ 55 56 /* 57 * Hardware drivers 58 */ 59 60 #define CONFIG_MX31_UART 1 61 #define CFG_MX31_UART1 1 62 63 /* allow to overwrite serial and ethaddr */ 64 #define CONFIG_ENV_OVERWRITE 65 #define CONFIG_CONS_INDEX 1 66 #define CONFIG_BAUDRATE 115200 67 #define CFG_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200} 68 69 /*********************************************************** 70 * Command definition 71 ***********************************************************/ 72 73 #include <config_cmd_default.h> 74 75 #define CONFIG_CMD_MII 76 #define CONFIG_CMD_PING 77 78 #define CONFIG_BOOTDELAY 3 79 80 #define CONFIG_NETMASK 255.255.255.0 81 #define CONFIG_IPADDR 192.168.23.168 82 #define CONFIG_SERVERIP 192.168.23.2 83 84 #define CONFIG_EXTRA_ENV_SETTINGS \ 85 "bootargs_base=setenv bootargs console=ttymxc0,115200\0" \ 86 "bootargs_nfs=setenv bootargs $(bootargs) root=/dev/nfs " \ 87 "ip=dhcp nfsroot=$(serverip):$(nfsrootfs),v3,tcp\0" \ 88 "bootcmd=run bootcmd_net\0" \ 89 "bootcmd_net=run bootargs_base bootargs_mtd bootargs_nfs; " \ 90 "tftpboot 0x80000000 uImage-mx31; bootm\0" \ 91 "prg_uboot=tftpboot 0x80000000 u-boot-mx31ads.bin; " \ 92 "protect off 0xa0000000 0xa001ffff; " \ 93 "erase 0xa0000000 0xa001ffff; " \ 94 "cp.b 0x80000000 0xa0000000 $(filesize)\0" 95 96 #define CONFIG_DRIVER_CS8900 1 97 #define CS8900_BASE 0xb4020300 98 #define CS8900_BUS16 1 /* the Linux driver does accesses as shorts */ 99 100 /* 101 * Miscellaneous configurable options 102 */ 103 #define CFG_LONGHELP /* undef to save memory */ 104 #define CFG_PROMPT "=> " 105 #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ 106 /* Print Buffer Size */ 107 #define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) 108 #define CFG_MAXARGS 16 /* max number of command args */ 109 #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ 110 111 #define CFG_MEMTEST_START 0 /* memtest works on */ 112 #define CFG_MEMTEST_END 0x10000 113 114 #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ 115 116 #define CFG_LOAD_ADDR CSD0_BASE /* default load address */ 117 118 #define CFG_HZ 32000 119 120 #define CONFIG_CMDLINE_EDITING 1 121 122 /*----------------------------------------------------------------------- 123 * Stack sizes 124 * 125 * The stack sizes are set up in start.S using the settings below */ 126 #define CONFIG_STACKSIZE (128 * 1024) /* regular stack */ 127 128 /*----------------------------------------------------------------------- 129 * Physical Memory Map 130 */ 131 #define CONFIG_NR_DRAM_BANKS 1 132 #define PHYS_SDRAM_1 CSD0_BASE 133 #define PHYS_SDRAM_1_SIZE (128 * 1024 * 1024) 134 135 /*----------------------------------------------------------------------- 136 * FLASH and environment organization 137 */ 138 #define CFG_FLASH_BASE CS0_BASE 139 #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ 140 #define CFG_MAX_FLASH_SECT 262 /* max number of sectors on one chip */ 141 #define CFG_MONITOR_BASE CFG_FLASH_BASE /* Monitor at beginning of flash */ 142 #define CFG_MONITOR_LEN (128 * 1024) /* Reserve 128KiB */ 143 144 #define CFG_ENV_IS_IN_FLASH 1 145 #define CFG_ENV_SECT_SIZE (32 * 1024) 146 #define CFG_ENV_SIZE CFG_ENV_SECT_SIZE 147 /* S29WS256N NOR flash has 4 32KiB small sectors at beginning and end. 148 * The rest of 32MiB is in 128KiB big sectors. 149 * U-Boot occupies the low 4 sectors, 150 * if we put environment next to it, we will have to occupy 128KiB for it. 151 * Putting it at the top of flash we use only 32KiB. */ 152 #define CFG_ENV_ADDR (CFG_MONITOR_BASE + 32 * 1024 * 1024 - CFG_ENV_SIZE) 153 154 /*----------------------------------------------------------------------- 155 * CFI FLASH driver setup 156 */ 157 #define CFG_FLASH_CFI 1 /* Flash memory is CFI compliant */ 158 #define CFG_FLASH_CFI_DRIVER 1 /* Use drivers/cfi_flash.c */ 159 #if 0 /* Doesn't work yet, work in progress */ 160 #define CFG_FLASH_USE_BUFFER_WRITE 1 /* Use buffered writes(~10x faster)*/ 161 #endif 162 #define CFG_FLASH_PROTECTION 1 /* Use hardware sector protection */ 163 164 /* 165 * JFFS2 partitions 166 */ 167 #undef CONFIG_JFFS2_CMDLINE 168 #define CONFIG_JFFS2_DEV "nor0" 169 170 #endif /* __CONFIG_H */ 171