/* * Copyright (C) 2008, Guennadi Liakhovetski <lg@denx.de> * * Configuration settings for the MX31ADS Freescale board. * * 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 */ #ifndef __CONFIG_H #define __CONFIG_H #include <asm/arch/mx31-regs.h> /* High Level Configuration Options */ #define CONFIG_ARM1136 1 /* This is an arm1136 CPU core */ #define CONFIG_MX31 1 /* in a mx31 */ #define CONFIG_MX31_HCLK_FREQ 26000000 /* RedBoot says 26MHz */ #define CONFIG_MX31_CLK32 32768 #define CONFIG_DISPLAY_CPUINFO #define CONFIG_DISPLAY_BOARDINFO /* * Disabled for now due to build problems under Debian and a significant increase * in the final file size: 144260 vs. 109536 Bytes. */ #if 0 #define CONFIG_OF_LIBFDT 1 #define CONFIG_FIT 1 #define CONFIG_FIT_VERBOSE 1 #endif #define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ #define CONFIG_SETUP_MEMORY_TAGS 1 #define CONFIG_INITRD_TAG 1 /* * Size of malloc() pool */ #define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128 * 1024) #define CONFIG_SYS_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ /* * Hardware drivers */ #define CONFIG_MX31_UART 1 #define CONFIG_SYS_MX31_UART1 1 #define CONFIG_HARD_SPI 1 #define CONFIG_MXC_SPI 1 #define CONFIG_DEFAULT_SPI_BUS 1 #define CONFIG_DEFAULT_SPI_MODE (SPI_MODE_2 | SPI_CS_HIGH) #define CONFIG_RTC_MC13783 1 /* MC13783 connected to CSPI2 and SS0 */ #define CONFIG_MC13783_SPI_BUS 1 #define CONFIG_MC13783_SPI_CS 0 /* allow to overwrite serial and ethaddr */ #define CONFIG_ENV_OVERWRITE #define CONFIG_CONS_INDEX 1 #define CONFIG_BAUDRATE 115200 #define CONFIG_SYS_BAUDRATE_TABLE {9600, 19200, 38400, 57600, 115200} /*********************************************************** * Command definition ***********************************************************/ #include <config_cmd_default.h> #define CONFIG_CMD_PING #define CONFIG_CMD_DHCP #define CONFIG_CMD_SPI #define CONFIG_CMD_DATE #define CONFIG_BOOTDELAY 3 #define CONFIG_LOADADDR 0x80800000 /* loadaddr env var */ #define CONFIG_EXTRA_ENV_SETTINGS \ "netdev=eth0\0" \ "uboot_addr=0xa0000000\0" \ "uboot=mx31ads/u-boot.bin\0" \ "kernel=mx31ads/uImage\0" \ "nfsroot=/opt/eldk/arm\0" \ "bootargs_base=setenv bootargs console=ttymxc0,115200\0" \ "bootargs_nfs=setenv bootargs ${bootargs} root=/dev/nfs " \ "ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \ "bootcmd=run bootcmd_net\0" \ "bootcmd_net=run bootargs_base bootargs_nfs; " \ "tftpboot ${loadaddr} ${kernel}; bootm\0" \ "prg_uboot=tftpboot ${loadaddr} ${uboot}; " \ "protect off ${uboot_addr} 0xa003ffff; " \ "erase ${uboot_addr} 0xa003ffff; " \ "cp.b ${loadaddr} ${uboot_addr} ${filesize}; " \ "setenv filesize; saveenv\0" #define CONFIG_DRIVER_CS8900 1 #define CS8900_BASE 0xb4020300 #define CS8900_BUS16 1 /* follow the Linux driver */ /* * The MX31ADS board seems to have a hardware "peculiarity" confirmed under * U-Boot, RedBoot and Linux: the ethernet Rx signal is reaching the CS8900A * controller inverted. The controller is capable of detecting and correcting * this, but it needs 4 network packets for that. Which means, at startup, you * will not receive answers to the first 4 packest, unless there have been some * broadcasts on the network, or your board is on a hub. Reducing the ARP * timeout from default 5 seconds to 200ms we speed up the initial TFTP * transfer, should the user wish one, significantly. */ #define CONFIG_ARP_TIMEOUT 200UL /* * Miscellaneous configurable options */ #define CONFIG_SYS_LONGHELP /* undef to save memory */ #define CONFIG_SYS_PROMPT "=> " #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ /* Print Buffer Size */ #define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) #define CONFIG_SYS_MAXARGS 16 /* max number of command args */ #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Boot Argument Buffer Size */ #define CONFIG_SYS_MEMTEST_START 0 /* memtest works on */ #define CONFIG_SYS_MEMTEST_END 0x10000 #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR #define CONFIG_SYS_HZ 1000 #define CONFIG_CMDLINE_EDITING 1 /*----------------------------------------------------------------------- * Stack sizes * * The stack sizes are set up in start.S using the settings below */ #define CONFIG_STACKSIZE (128 * 1024) /* regular stack */ /*----------------------------------------------------------------------- * Physical Memory Map */ #define CONFIG_NR_DRAM_BANKS 1 #define PHYS_SDRAM_1 CSD0_BASE #define PHYS_SDRAM_1_SIZE (128 * 1024 * 1024) /*----------------------------------------------------------------------- * FLASH and environment organization */ #define CONFIG_SYS_FLASH_BASE CS0_BASE #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ #define CONFIG_SYS_MAX_FLASH_SECT 262 /* max number of sectors on one chip */ #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE /* Monitor at beginning of flash */ #define CONFIG_SYS_MONITOR_LEN (256 * 1024) /* Reserve 256KiB */ #define CONFIG_ENV_IS_IN_FLASH 1 #define CONFIG_ENV_SECT_SIZE (32 * 1024) #define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE /* Address and size of Redundant Environment Sector */ #define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE) #define CONFIG_ENV_SIZE_REDUND CONFIG_ENV_SIZE /* S29WS256N NOR flash has 4 32KiB small sectors at the beginning and at the end. * The rest of 32MiB is in 128KiB big sectors. U-Boot occupies the low 4 sectors, * if we put environment next to it, we will have to occupy 128KiB for it. * Putting it at the top of flash we use only 32KiB. */ #define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE + CONFIG_ENV_SECT_SIZE) /*----------------------------------------------------------------------- * CFI FLASH driver setup */ #define CONFIG_SYS_FLASH_CFI 1 /* Flash memory is CFI compliant */ #define CONFIG_FLASH_CFI_DRIVER 1 /* Use drivers/cfi_flash.c */ #define CONFIG_FLASH_SPANSION_S29WS_N 1 /* A non-standard buffered write algorithm */ #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 /* Use buffered writes (~10x faster) */ #define CONFIG_SYS_FLASH_PROTECTION 1 /* Use hardware sector protection */ /* * JFFS2 partitions */ #undef CONFIG_CMD_MTDPARTS #define CONFIG_JFFS2_DEV "nor0" #endif /* __CONFIG_H */