upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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360 lines
10 KiB
360 lines
10 KiB
/*
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* (C) Copyright 2011 Freescale Semiconductor, Inc.
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* Author: Fabio Estevam <fabio.estevam@freescale.com>
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*
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* Based on m28evk.h:
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* Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
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* on behalf of DENX Software Engineering GmbH
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __MX28EVK_CONFIG_H__
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#define __MX28EVK_CONFIG_H__
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/*
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* SoC configurations
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*/
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#define CONFIG_MX28 /* i.MX28 SoC */
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#define CONFIG_MXS_GPIO /* GPIO control */
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#define CONFIG_SYS_HZ 1000 /* Ticks per second */
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#define CONFIG_MACH_TYPE MACH_TYPE_MX28EVK
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#include <asm/arch/regs-base.h>
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#define CONFIG_SYS_NO_FLASH
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#define CONFIG_BOARD_EARLY_INIT_F
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#define CONFIG_ARCH_MISC_INIT
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/*
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* SPL
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*/
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#define CONFIG_SPL
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#define CONFIG_SPL_NO_CPU_SUPPORT_CODE
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#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs"
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#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds"
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#define CONFIG_SPL_LIBCOMMON_SUPPORT
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#define CONFIG_SPL_LIBGENERIC_SUPPORT
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#define CONFIG_SPL_GPIO_SUPPORT
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/*
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* U-Boot Commands
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*/
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#include <config_cmd_default.h>
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#define CONFIG_DISPLAY_CPUINFO
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#define CONFIG_DOS_PARTITION
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#define CONFIG_CMD_CACHE
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#define CONFIG_CMD_DATE
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#define CONFIG_CMD_DHCP
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#define CONFIG_CMD_FAT
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#define CONFIG_CMD_GPIO
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#define CONFIG_CMD_MII
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#define CONFIG_CMD_MMC
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#define CONFIG_CMD_NET
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#define CONFIG_CMD_NFS
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#define CONFIG_CMD_PING
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#define CONFIG_CMD_SETEXPR
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#define CONFIG_CMD_SF
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#define CONFIG_CMD_SPI
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#define CONFIG_CMD_USB
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#define CONFIG_CMD_BOOTZ
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#define CONFIG_CMD_I2C
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/*
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* Memory configurations
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*/
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#define CONFIG_NR_DRAM_BANKS 1 /* 1 bank of DRAM */
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#define PHYS_SDRAM_1 0x40000000 /* Base address */
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#define PHYS_SDRAM_1_SIZE 0x40000000 /* Max 1 GB RAM */
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#define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */
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#define CONFIG_SYS_MEMTEST_START 0x40000000 /* Memtest start adr */
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#define CONFIG_SYS_MEMTEST_END 0x40400000 /* 4 MB RAM test */
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#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1
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/* Point initial SP in SRAM so SPL can use it too. */
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#define CONFIG_SYS_INIT_RAM_ADDR 0x00000000
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#define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024)
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#define CONFIG_SYS_INIT_SP_OFFSET \
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(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
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#define CONFIG_SYS_INIT_SP_ADDR \
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(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
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/*
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* We need to sacrifice first 4 bytes of RAM here to avoid triggering some
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* strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
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* binary. In case there was more of this mess, 0x100 bytes are skipped.
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*/
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#define CONFIG_SYS_TEXT_BASE 0x40000100
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#define CONFIG_ENV_OVERWRITE
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/*
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* U-Boot general configurations
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*/
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#define CONFIG_SYS_LONGHELP
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#define CONFIG_SYS_PROMPT "MX28EVK U-Boot > "
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#define CONFIG_SYS_CBSIZE 1024 /* Console I/O buffer size */
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#define CONFIG_SYS_PBSIZE \
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(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
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/* Print buffer size */
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#define CONFIG_SYS_MAXARGS 32 /* Max number of command args */
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#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
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/* Boot argument buffer size */
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#define CONFIG_VERSION_VARIABLE /* U-BOOT version */
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#define CONFIG_AUTO_COMPLETE /* Command auto complete */
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#define CONFIG_CMDLINE_EDITING /* Command history etc */
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#define CONFIG_SYS_HUSH_PARSER
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/*
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* Serial Driver
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*/
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#define CONFIG_PL011_SERIAL
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#define CONFIG_PL011_CLOCK 24000000
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#define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE }
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#define CONFIG_CONS_INDEX 0
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#define CONFIG_BAUDRATE 115200 /* Default baud rate */
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/*
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* DMA
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*/
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#define CONFIG_APBH_DMA
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/*
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* MMC Driver
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*/
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#define CONFIG_ENV_IS_IN_MMC
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#ifdef CONFIG_ENV_IS_IN_MMC
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#define CONFIG_ENV_OFFSET (256 * 1024)
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#define CONFIG_ENV_SIZE (16 * 1024)
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#define CONFIG_SYS_MMC_ENV_DEV 0
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#endif
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#define CONFIG_CMD_SAVEENV
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#ifdef CONFIG_CMD_MMC
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#define CONFIG_MMC
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#define CONFIG_GENERIC_MMC
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#define CONFIG_BOUNCE_BUFFER
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#define CONFIG_MXS_MMC
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#endif
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/*
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* NAND Driver
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*/
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#ifdef CONFIG_CMD_NAND
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#define CONFIG_NAND_MXS
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#define CONFIG_SYS_MAX_NAND_DEVICE 1
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#define CONFIG_SYS_NAND_BASE 0x60000000
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#define CONFIG_SYS_NAND_5_ADDR_CYCLE
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#endif
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/*
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* Ethernet on SOC (FEC)
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*/
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#ifdef CONFIG_CMD_NET
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#define CONFIG_NET_MULTI
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#define CONFIG_ETHPRIME "FEC0"
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#define CONFIG_FEC_MXC
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#define CONFIG_FEC_MXC_MULTI
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#define CONFIG_MII
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#define CONFIG_FEC_XCV_TYPE RMII
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#define CONFIG_MX28_FEC_MAC_IN_OCOTP
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#endif
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/*
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* RTC
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*/
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#ifdef CONFIG_CMD_DATE
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#define CONFIG_RTC_MXS
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#endif
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/*
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* USB
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*/
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#ifdef CONFIG_CMD_USB
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#define CONFIG_USB_EHCI
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#define CONFIG_USB_EHCI_MXS
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#define CONFIG_EHCI_MXS_PORT 1
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#define CONFIG_EHCI_IS_TDI
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#define CONFIG_USB_STORAGE
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#define CONFIG_USB_HOST_ETHER
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#define CONFIG_USB_ETHER_ASIX
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#define CONFIG_USB_ETHER_SMSC95XX
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#endif
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/* I2C */
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#ifdef CONFIG_CMD_I2C
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#define CONFIG_I2C_MXS
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#define CONFIG_HARD_I2C
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#define CONFIG_SYS_I2C_SPEED 400000
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#endif
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/*
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* SPI
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*/
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#ifdef CONFIG_CMD_SPI
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#define CONFIG_HARD_SPI
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#define CONFIG_MXS_SPI
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#define CONFIG_MXS_SPI_DMA_ENABLE
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#define CONFIG_SPI_HALF_DUPLEX
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#define CONFIG_DEFAULT_SPI_BUS 2
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#define CONFIG_DEFAULT_SPI_MODE SPI_MODE_0
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/* SPI Flash */
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#ifdef CONFIG_CMD_SF
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#define CONFIG_SPI_FLASH
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#define CONFIG_SF_DEFAULT_BUS 2
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#define CONFIG_SF_DEFAULT_CS 0
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/* this may vary and depends on the installed chip */
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#define CONFIG_SPI_FLASH_SST
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#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
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#define CONFIG_SF_DEFAULT_SPEED 24000000
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/* (redundant) environemnt in SPI flash */
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#ifdef CONFIG_ENV_IS_IN_SPI_FLASH
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#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
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#define CONFIG_ENV_SIZE 0x1000 /* 4KB */
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#define CONFIG_ENV_OFFSET 0x40000 /* 256K */
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#define CONFIG_ENV_OFFSET_REDUND (CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
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#define CONFIG_ENV_SECT_SIZE 0x1000
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#define CONFIG_ENV_SPI_CS 0
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#define CONFIG_ENV_SPI_BUS 2
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#define CONFIG_ENV_SPI_MAX_HZ 24000000
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#define CONFIG_ENV_SPI_MODE SPI_MODE_0
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#endif
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#endif
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#endif
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/*
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* Boot Linux
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*/
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#define CONFIG_CMDLINE_TAG
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#define CONFIG_SETUP_MEMORY_TAGS
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#define CONFIG_BOOTDELAY 1
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#define CONFIG_BOOTFILE "uImage"
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#define CONFIG_LOADADDR 0x42000000
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#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
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#define CONFIG_OF_LIBFDT
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/*
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* Extra Environments
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*/
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"update_nand_full_filename=u-boot.nand\0" \
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"update_nand_firmware_filename=u-boot.sb\0" \
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"update_sd_firmware_filename=u-boot.sd\0" \
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"update_nand_firmware_maxsz=0x100000\0" \
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"update_nand_stride=0x40\0" /* MX28 datasheet ch. 12.12 */ \
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"update_nand_count=0x4\0" /* MX28 datasheet ch. 12.12 */ \
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"update_nand_get_fcb_size=" /* Get size of FCB blocks */ \
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"nand device 0 ; " \
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"nand info ; " \
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"setexpr fcb_sz ${update_nand_stride} * ${update_nand_count};" \
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"setexpr update_nand_fcb ${fcb_sz} * ${nand_writesize}\0" \
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"update_nand_full=" /* Update FCB, DBBT and FW */ \
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"if tftp ${update_nand_full_filename} ; then " \
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"run update_nand_get_fcb_size ; " \
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"nand scrub -y 0x0 ${filesize} ; " \
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"nand write.raw ${loadaddr} 0x0 ${fcb_sz} ; " \
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"setexpr update_off ${loadaddr} + ${update_nand_fcb} ; " \
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"setexpr update_sz ${filesize} - ${update_nand_fcb} ; " \
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"nand write ${update_off} ${update_nand_fcb} ${update_sz} ; " \
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"fi\0" \
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"update_nand_firmware=" /* Update only firmware */ \
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"if tftp ${update_nand_firmware_filename} ; then " \
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"run update_nand_get_fcb_size ; " \
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"setexpr fcb_sz ${update_nand_fcb} * 2 ; " /* FCB + DBBT */ \
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"setexpr fw_sz ${update_nand_firmware_maxsz} * 2 ; " \
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"setexpr fw_off ${fcb_sz} + ${update_nand_firmware_maxsz};" \
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"nand erase ${fcb_sz} ${fw_sz} ; " \
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"nand write ${loadaddr} ${fcb_sz} ${filesize} ; " \
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"nand write ${loadaddr} ${fw_off} ${filesize} ; " \
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"fi\0" \
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"update_sd_firmware=" /* Update the SD firmware partition */ \
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"if mmc rescan ; then " \
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"if tftp ${update_sd_firmware_filename} ; then " \
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"setexpr fw_sz ${filesize} / 0x200 ; " /* SD block size */ \
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"setexpr fw_sz ${fw_sz} + 1 ; " \
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"mmc write ${loadaddr} 0x800 ${fw_sz} ; " \
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"fi ; " \
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"fi\0" \
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"script=boot.scr\0" \
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"uimage=uImage\0" \
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"console_fsl=ttyAM0\0" \
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"console_mainline=ttyAMA0\0" \
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"fdt_file=imx28-evk.dtb\0" \
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"fdt_addr=0x41000000\0" \
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"boot_fdt=try\0" \
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"ip_dyn=yes\0" \
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"mmcdev=0\0" \
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"mmcpart=2\0" \
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"mmcroot=/dev/mmcblk0p3 rw rootwait\0" \
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"mmcargs=setenv bootargs console=${console_mainline},${baudrate} " \
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"root=${mmcroot}\0" \
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"loadbootscript=" \
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"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
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"bootscript=echo Running bootscript from mmc ...; " \
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"source\0" \
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"loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
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"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
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"mmcboot=echo Booting from mmc ...; " \
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"run mmcargs; " \
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"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
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"if run loadfdt; then " \
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"bootm ${loadaddr} - ${fdt_addr}; " \
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"else " \
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"if test ${boot_fdt} = try; then " \
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"bootm; " \
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"else " \
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"echo WARN: Cannot load the DT; " \
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"fi; " \
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"fi; " \
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"else " \
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"bootm; " \
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"fi;\0" \
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"netargs=setenv bootargs console=${console_mainline},${baudrate} " \
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"root=/dev/nfs " \
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"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
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"netboot=echo Booting from net ...; " \
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"run netargs; " \
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"if test ${ip_dyn} = yes; then " \
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"setenv get_cmd dhcp; " \
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"else " \
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"setenv get_cmd tftp; " \
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"fi; " \
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"${get_cmd} ${uimage}; " \
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"if test ${boot_fdt} = yes; then " \
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"if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
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"bootm ${loadaddr} - ${fdt_addr}; " \
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"else " \
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"if test ${boot_fdt} = try; then " \
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"bootm; " \
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"else " \
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"echo WARN: Cannot load the DT; " \
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"fi;" \
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"fi; " \
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"else " \
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"bootm; " \
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"fi;\0"
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#define CONFIG_BOOTCOMMAND \
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"mmc dev ${mmcdev}; if mmc rescan; then " \
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"if run loadbootscript; then " \
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"run bootscript; " \
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"else " \
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"if run loaduimage; then " \
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"run mmcboot; " \
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"else run netboot; " \
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"fi; " \
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"fi; " \
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"else run netboot; fi"
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#endif /* __MX28EVK_CONFIG_H__ */
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