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/*
* (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_DATE
#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
#define CONFIG_CMD_SF
#define CONFIG_CMD_SPI
#define CONFIG_CMD_USB
/*
* 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 }
/*
* DMA
*/
#define CONFIG_APBH_DMA
/*
* MMC Driver
*/
#define CONFIG_ENV_IS_IN_MMC
#ifdef CONFIG_ENV_IS_IN_MMC
#define CONFIG_ENV_OFFSET (256 * 1024)
#define CONFIG_ENV_SIZE (16 * 1024)
#define CONFIG_SYS_MMC_ENV_DEV 0
#endif
#define CONFIG_CMD_SAVEENV
#ifdef CONFIG_CMD_MMC
#define CONFIG_MMC
#define CONFIG_GENERIC_MMC
#define CONFIG_MMC_BOUNCE_BUFFER
#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
/*
* RTC
*/
#ifdef CONFIG_CMD_DATE
#define CONFIG_RTC_MXS
#endif
/*
* USB
*/
#ifdef CONFIG_CMD_USB
#define CONFIG_USB_EHCI
#define CONFIG_USB_EHCI_MXS
#define CONFIG_EHCI_MXS_PORT 1
#define CONFIG_EHCI_IS_TDI
#define CONFIG_USB_STORAGE
#endif
/*
* SPI
*/
#ifdef CONFIG_CMD_SPI
#define CONFIG_HARD_SPI
#define CONFIG_MXS_SPI
#define CONFIG_SPI_HALF_DUPLEX
#define CONFIG_DEFAULT_SPI_BUS 2
#define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0
/* SPI Flash */
#ifdef CONFIG_CMD_SF
#define CONFIG_SPI_FLASH
#define CONFIG_SF_DEFAULT_BUS 2
#define CONFIG_SF_DEFAULT_CS 0
/* this may vary and depends on the installed chip */
#define CONFIG_SPI_FLASH_SST
#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
#define CONFIG_SF_DEFAULT_SPEED 24000000
/* (redundant) environemnt in SPI flash */
#undef CONFIG_ENV_IS_IN_SPI_FLASH
#ifdef CONFIG_ENV_IS_IN_SPI_FLASH
#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
#define CONFIG_ENV_SIZE 0x1000 /* 4KB */
#define CONFIG_ENV_OFFSET 0x40000 /* 256K */
#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
#define CONFIG_ENV_SECT_SIZE 0x1000
#define CONFIG_ENV_SPI_CS 0
#define CONFIG_ENV_SPI_BUS 2
#define CONFIG_ENV_SPI_MAX_HZ 24000000
#define CONFIG_ENV_SPI_MODE SPI_MODE_0
#endif
#endif
#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 */
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