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/*
* 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 */
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