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/imx-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 32768 32 33 #define CONFIG_DISPLAY_CPUINFO 34 #define CONFIG_DISPLAY_BOARDINFO 35 36 #define CONFIG_SYS_TEXT_BASE 0xA0000000 37 38 #define CONFIG_MACH_TYPE MACH_TYPE_MX31ADS 39 40 /* 41 * Disabled for now due to build problems under Debian and a significant increase 42 * in the final file size: 144260 vs. 109536 Bytes. 43 */ 44 #if 0 45 #define CONFIG_OF_LIBFDT 1 46 #define CONFIG_FIT 1 47 #define CONFIG_FIT_VERBOSE 1 48 #endif 49 50 #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ 51 #define CONFIG_SETUP_MEMORY_TAGS 1 52 #define CONFIG_INITRD_TAG 1 53 54 /* 55 * Size of malloc() pool 56 */ 57 #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128 * 1024) 58 59 /* 60 * Hardware drivers 61 */ 62 63 #define CONFIG_MXC_UART 1 64 #define CONFIG_SYS_MX31_UART1 1 65 66 #define CONFIG_HARD_SPI 1 67 #define CONFIG_MXC_SPI 1 68 #define CONFIG_DEFAULT_SPI_BUS 1 69 #define CONFIG_DEFAULT_SPI_MODE (SPI_MODE_0 | SPI_CS_HIGH) 70 #define CONFIG_MXC_GPIO 71 72 #define CONFIG_FSL_PMIC 73 #define CONFIG_FSL_PMIC_BUS 1 74 #define CONFIG_FSL_PMIC_CS 0 75 #define CONFIG_FSL_PMIC_CLK 1000000 76 #define CONFIG_FSL_PMIC_MODE (SPI_MODE_0 | SPI_CS_HIGH) 77 #define CONFIG_RTC_MC13783 1 78 79 /* allow to overwrite serial and ethaddr */ 80 #define CONFIG_ENV_OVERWRITE 81 #define CONFIG_CONS_INDEX 1 82 #define CONFIG_BAUDRATE 115200 83 #define CONFIG_SYS_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200} 84 85 /*********************************************************** 86 * Command definition 87 ***********************************************************/ 88 89 #include <config_cmd_default.h> 90 91 #define CONFIG_CMD_PING 92 #define CONFIG_CMD_DHCP 93 #define CONFIG_CMD_SPI 94 #define CONFIG_CMD_DATE 95 96 #define CONFIG_BOOTDELAY 3 97 98 #define CONFIG_LOADADDR 0x80800000 /* loadaddr env var */ 99 100 #define CONFIG_EXTRA_ENV_SETTINGS \ 101 "netdev=eth0\0" \ 102 "uboot_addr=0xa0000000\0" \ 103 "uboot=mx31ads/u-boot.bin\0" \ 104 "kernel=mx31ads/uImage\0" \ 105 "nfsroot=/opt/eldk/arm\0" \ 106 "bootargs_base=setenv bootargs console=ttymxc0,115200\0" \ 107 "bootargs_nfs=setenv bootargs ${bootargs} root=/dev/nfs " \ 108 "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \ 109 "bootcmd=run bootcmd_net\0" \ 110 "bootcmd_net=run bootargs_base bootargs_nfs; " \ 111 "tftpboot ${loadaddr} ${kernel}; bootm\0" \ 112 "prg_uboot=tftpboot ${loadaddr} ${uboot}; " \ 113 "protect off ${uboot_addr} 0xa003ffff; " \ 114 "erase ${uboot_addr} 0xa003ffff; " \ 115 "cp.b ${loadaddr} ${uboot_addr} ${filesize}; " \ 116 "setenv filesize; saveenv\0" 117 118 #define CONFIG_CS8900 119 #define CONFIG_CS8900_BASE 0xb4020300 120 #define CONFIG_CS8900_BUS16 1 /* follow the Linux driver */ 121 122 /* 123 * The MX31ADS board seems to have a hardware "peculiarity" confirmed under 124 * U-Boot, RedBoot and Linux: the ethernet Rx signal is reaching the CS8900A 125 * controller inverted. The controller is capable of detecting and correcting 126 * this, but it needs 4 network packets for that. Which means, at startup, you 127 * will not receive answers to the first 4 packest, unless there have been some 128 * broadcasts on the network, or your board is on a hub. Reducing the ARP 129 * timeout from default 5 seconds to 200ms we speed up the initial TFTP 130 * transfer, should the user wish one, significantly. 131 */ 132 #define CONFIG_ARP_TIMEOUT 200UL 133 134 /* 135 * Miscellaneous configurable options 136 */ 137 #define CONFIG_SYS_LONGHELP /* undef to save memory */ 138 #define CONFIG_SYS_PROMPT "=> " 139 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ 140 /* Print Buffer Size */ 141 #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) 142 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ 143 #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ 144 145 #define CONFIG_SYS_MEMTEST_START 0 /* memtest works on */ 146 #define CONFIG_SYS_MEMTEST_END 0x10000 147 148 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR 149 150 #define CONFIG_SYS_HZ 1000 151 152 #define CONFIG_CMDLINE_EDITING 1 153 154 /*----------------------------------------------------------------------- 155 * Stack sizes 156 * 157 * The stack sizes are set up in start.S using the settings below 158 */ 159 #define CONFIG_STACKSIZE (128 * 1024) /* regular stack */ 160 161 /*----------------------------------------------------------------------- 162 * Physical Memory Map 163 */ 164 #define CONFIG_NR_DRAM_BANKS 1 165 #define PHYS_SDRAM_1 CSD0_BASE 166 #define PHYS_SDRAM_1_SIZE (128 * 1024 * 1024) 167 #define CONFIG_BOARD_EARLY_INIT_F 168 169 #define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 170 #define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR 171 #define CONFIG_SYS_INIT_RAM_SIZE IRAM_SIZE 172 #define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - \ 173 GENERATED_GBL_DATA_SIZE) 174 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ 175 CONFIG_SYS_GBL_DATA_OFFSET) 176 177 /*----------------------------------------------------------------------- 178 * FLASH and environment organization 179 */ 180 #define CONFIG_SYS_FLASH_BASE CS0_BASE 181 #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ 182 #define CONFIG_SYS_MAX_FLASH_SECT 262 /* max number of sectors on one chip */ 183 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE /* Monitor at beginning of flash */ 184 #define CONFIG_SYS_MONITOR_LEN (256 * 1024) /* Reserve 256KiB */ 185 186 #define CONFIG_ENV_IS_IN_FLASH 1 187 #define CONFIG_ENV_SECT_SIZE (128 * 1024) 188 #define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE 189 #define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) 190 191 /* Address and size of Redundant Environment Sector */ 192 #define CONFIG_ENV_ADDR_REDUND (CONFIG_ENV_ADDR + CONFIG_ENV_SIZE) 193 #define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE 194 195 196 /*----------------------------------------------------------------------- 197 * CFI FLASH driver setup 198 */ 199 #define CONFIG_SYS_FLASH_CFI 1 /* Flash memory is CFI compliant */ 200 #define CONFIG_FLASH_CFI_DRIVER 1 /* Use drivers/cfi_flash.c */ 201 #define CONFIG_FLASH_SPANSION_S29WS_N 1 /* A non-standard buffered write algorithm */ 202 #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 /* Use buffered writes (~10x faster) */ 203 #define CONFIG_SYS_FLASH_PROTECTION 1 /* Use hardware sector protection */ 204 205 /* 206 * JFFS2 partitions 207 */ 208 #undef CONFIG_CMD_MTDPARTS 209 #define CONFIG_JFFS2_DEV "nor0" 210 211 #endif /* __CONFIG_H */ 212