| /* |
| * 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 CFG_MALLOC_LEN (CFG_ENV_SIZE + 128 * 1024) |
| #define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */ |
| |
| /* |
| * Hardware drivers |
| */ |
| |
| #define CONFIG_MX31_UART 1 |
| #define CFG_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 |
| |
| /* allow to overwrite serial and ethaddr */ |
| #define CONFIG_ENV_OVERWRITE |
| #define CONFIG_CONS_INDEX 1 |
| #define CONFIG_BAUDRATE 115200 |
| #define CFG_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 CFG_LONGHELP /* undef to save memory */ |
| #define CFG_PROMPT "=> " |
| #define CFG_CBSIZE 256 /* Console I/O Buffer Size */ |
| /* Print Buffer Size */ |
| #define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16) |
| #define CFG_MAXARGS 16 /* max number of command args */ |
| #define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */ |
| |
| #define CFG_MEMTEST_START 0 /* memtest works on */ |
| #define CFG_MEMTEST_END 0x10000 |
| |
| #undef CFG_CLKS_IN_HZ /* everything, incl board info, in Hz */ |
| |
| #define CFG_LOAD_ADDR CONFIG_LOADADDR |
| |
| #define CFG_HZ CONFIG_MX31_CLK32 /* use 32kHz clock as source */ |
| |
| #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 CFG_FLASH_BASE CS0_BASE |
| #define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */ |
| #define CFG_MAX_FLASH_SECT 262 /* max number of sectors on one chip */ |
| #define CFG_MONITOR_BASE CFG_FLASH_BASE /* Monitor at beginning of flash */ |
| #define CFG_MONITOR_LEN (256 * 1024) /* Reserve 256KiB */ |
| |
| #define CFG_ENV_IS_IN_FLASH 1 |
| #define CFG_ENV_SECT_SIZE (32 * 1024) |
| #define CFG_ENV_SIZE CFG_ENV_SECT_SIZE |
| |
| /* Address and size of Redundant Environment Sector */ |
| #define CFG_ENV_OFFSET_REDUND (CFG_ENV_OFFSET + CFG_ENV_SIZE) |
| #define CFG_ENV_SIZE_REDUND CFG_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 CFG_ENV_ADDR (CFG_MONITOR_BASE + CFG_ENV_SECT_SIZE) |
| |
| /*----------------------------------------------------------------------- |
| * CFI FLASH driver setup |
| */ |
| #define CFG_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 CFG_FLASH_USE_BUFFER_WRITE 1 /* Use buffered writes (~10x faster) */ |
| #define CFG_FLASH_PROTECTION 1 /* Use hardware sector protection */ |
| |
| /* |
| * JFFS2 partitions |
| */ |
| #undef CONFIG_JFFS2_CMDLINE |
| #define CONFIG_JFFS2_DEV "nor0" |
| |
| #endif /* __CONFIG_H */ |