mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-06-09 23:36:03 +09:00
29f75a5ce5
Add initial support for Freescale MX28EVK board. Tested boot via SD card and by loading a kernel via TFTP through the FEC interface. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Acked-by: Marek Vasut <marek.vasut@gmail.com> Acked-by: Stefano Babic <sbabic@denx.de>
177 lines
5.0 KiB
C
177 lines
5.0 KiB
C
/*
|
|
* (C) Copyright 2011 Freescale Semiconductor, Inc.
|
|
* Author: Fabio Estevam <fabio.estevam@freescale.com>
|
|
*
|
|
* Based on m28evk.h:
|
|
* Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
|
|
* on behalf of DENX Software Engineering GmbH
|
|
*
|
|
* 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.
|
|
*/
|
|
#ifndef __CONFIG_H
|
|
#define __CONFIG_H
|
|
|
|
#include <asm/arch/regs-base.h>
|
|
|
|
/*
|
|
* SoC configurations
|
|
*/
|
|
#define CONFIG_MX28 /* i.MX28 SoC */
|
|
#define CONFIG_MXS_GPIO /* GPIO control */
|
|
#define CONFIG_SYS_HZ 1000 /* Ticks per second */
|
|
|
|
#define CONFIG_MACH_TYPE MACH_TYPE_MX28EVK
|
|
|
|
#define CONFIG_SYS_NO_FLASH
|
|
#define CONFIG_SYS_ICACHE_OFF
|
|
#define CONFIG_SYS_DCACHE_OFF
|
|
#define CONFIG_BOARD_EARLY_INIT_F
|
|
#define CONFIG_ARCH_CPU_INIT
|
|
#define CONFIG_ARCH_MISC_INIT
|
|
|
|
/*
|
|
* SPL
|
|
*/
|
|
#define CONFIG_SPL
|
|
#define CONFIG_SPL_NO_CPU_SUPPORT_CODE
|
|
#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mx28"
|
|
#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mx28/u-boot-spl.lds"
|
|
#define CONFIG_SPL_LIBCOMMON_SUPPORT
|
|
#define CONFIG_SPL_LIBGENERIC_SUPPORT
|
|
|
|
/*
|
|
* U-Boot Commands
|
|
*/
|
|
#include <config_cmd_default.h>
|
|
#define CONFIG_DISPLAY_CPUINFO
|
|
#define CONFIG_DOS_PARTITION
|
|
#define CONFIG_CMD_FAT
|
|
|
|
#define CONFIG_CMD_CACHE
|
|
#define CONFIG_CMD_DHCP
|
|
#define CONFIG_CMD_GPIO
|
|
#define CONFIG_CMD_MII
|
|
#define CONFIG_CMD_MMC
|
|
#define CONFIG_CMD_NET
|
|
#define CONFIG_CMD_NFS
|
|
#define CONFIG_CMD_PING
|
|
|
|
/*
|
|
* Memory configurations
|
|
*/
|
|
#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
|
|
#define PHYS_SDRAM_1 0x40000000 /* Base address */
|
|
#define PHYS_SDRAM_1_SIZE 0x40000000 /* Max 1 GB RAM */
|
|
#define CONFIG_STACKSIZE (128 * 1024) /* 128 KB stack */
|
|
#define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */
|
|
#define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */
|
|
#define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */
|
|
#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
|
|
/* Point initial SP in SRAM so SPL can use it too. */
|
|
|
|
#define CONFIG_SYS_INIT_RAM_ADDR 0x00002000
|
|
#define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024)
|
|
|
|
#define CONFIG_SYS_INIT_SP_OFFSET \
|
|
(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
|
|
#define CONFIG_SYS_INIT_SP_ADDR \
|
|
(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
|
|
|
|
/*
|
|
* We need to sacrifice first 4 bytes of RAM here to avoid triggering some
|
|
* strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
|
|
* binary. In case there was more of this mess, 0x100 bytes are skipped.
|
|
*/
|
|
#define CONFIG_SYS_TEXT_BASE 0x40000100
|
|
|
|
#define CONFIG_ENV_OVERWRITE
|
|
/*
|
|
* U-Boot general configurations
|
|
*/
|
|
#define CONFIG_SYS_LONGHELP
|
|
#define CONFIG_SYS_PROMPT "MX28EVK U-Boot > "
|
|
#define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */
|
|
#define CONFIG_SYS_PBSIZE \
|
|
(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
|
|
/* Print buffer size */
|
|
#define CONFIG_SYS_MAXARGS 32 /* Max number of command args */
|
|
#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
|
|
/* Boot argument buffer size */
|
|
#define CONFIG_VERSION_VARIABLE /* U-BOOT version */
|
|
#define CONFIG_AUTO_COMPLETE /* Command auto complete */
|
|
#define CONFIG_CMDLINE_EDITING /* Command history etc */
|
|
#define CONFIG_SYS_HUSH_PARSER
|
|
#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
|
|
|
|
/*
|
|
* Serial Driver
|
|
*/
|
|
#define CONFIG_PL011_SERIAL
|
|
#define CONFIG_PL011_CLOCK 24000000
|
|
#define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE }
|
|
#define CONFIG_CONS_INDEX 0
|
|
#define CONFIG_BAUDRATE 115200 /* Default baud rate */
|
|
#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
|
|
|
|
/*
|
|
* MMC Driver
|
|
*/
|
|
#define CONFIG_ENV_IS_IN_MMC
|
|
#define CONFIG_ENV_OFFSET (256 * 1024)
|
|
#define CONFIG_ENV_SIZE (16 * 1024)
|
|
#define CONFIG_SYS_MMC_ENV_DEV 0
|
|
#define CONFIG_CMD_SAVEENV
|
|
#ifdef CONFIG_CMD_MMC
|
|
#define CONFIG_MMC
|
|
#define CONFIG_GENERIC_MMC
|
|
#define CONFIG_MXS_MMC
|
|
#endif
|
|
|
|
/*
|
|
* Ethernet on SOC (FEC)
|
|
*/
|
|
#ifdef CONFIG_CMD_NET
|
|
#define CONFIG_NET_MULTI
|
|
#define CONFIG_ETHPRIME "FEC0"
|
|
#define CONFIG_FEC_MXC
|
|
#define CONFIG_FEC_MXC_MULTI
|
|
#define CONFIG_MII
|
|
#define CONFIG_DISCOVER_PHY
|
|
#define CONFIG_FEC_XCV_TYPE RMII
|
|
#define CONFIG_MX28_FEC_MAC_IN_OCOTP
|
|
#endif
|
|
|
|
/*
|
|
* Boot Linux
|
|
*/
|
|
#define CONFIG_CMDLINE_TAG
|
|
#define CONFIG_SETUP_MEMORY_TAGS
|
|
#define CONFIG_BOOTDELAY 3
|
|
#define CONFIG_BOOTFILE "uImage"
|
|
#define CONFIG_BOOTCOMMAND "run bootcmd_net"
|
|
#define CONFIG_LOADADDR 0x42000000
|
|
#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
|
|
|
|
/*
|
|
* Extra Environments
|
|
*/
|
|
#define CONFIG_EXTRA_ENV_SETTINGS \
|
|
"console_fsl=console=ttyAM0" \
|
|
"console_mainline=console=ttyAMA0" \
|
|
"netargs=setenv bootargs console=${console_mainline}" \
|
|
"root=/dev/nfs " \
|
|
"ip=dhcp nfsroot=${serverip}:${nfsroot}\0" \
|
|
"bootcmd_net=echo Booting from net ...; " \
|
|
"run netargs; " \
|
|
"dhcp ${uimage}; bootm\0" \
|
|
|
|
#endif /* __CONFIG_H */
|