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/*
* Copyright (C) 2013 Marek Vasut <marex@denx.de>
*
* 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 __CONFIGS_MXS_H__
#define __CONFIGS_MXS_H__
/*
* Includes
*/
#if defined(CONFIG_MX23) && defined(CONFIG_MX28)
#error Select either CONFIG_MX23 or CONFIG_MX28 , never both!
#elif !defined(CONFIG_MX23) && !defined(CONFIG_MX28)
#error Select one of CONFIG_MX23 or CONFIG_MX28 !
#endif
#include <asm/arch/regs-base.h>
#if defined(CONFIG_MX23)
#include <asm/arch/iomux-mx23.h>
#elif defined(CONFIG_MX28)
#include <asm/arch/iomux-mx28.h>
#endif
/*
* CPU specifics
*/
/* Startup hooks */
/* SPL */
#define CONFIG_SPL_NO_CPU_SUPPORT_CODE
#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs"
#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds"
/* Memory sizes */
#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 */
/* OCRAM at 0x0 ; 32kB on MX23 ; 128kB on MX28 */
#define CONFIG_SYS_INIT_RAM_ADDR 0x00000000
#if defined(CONFIG_MX23)
#define CONFIG_SYS_INIT_RAM_SIZE (32 * 1024)
#elif defined(CONFIG_MX28)
#define CONFIG_SYS_INIT_RAM_SIZE (128 * 1024)
#endif
/* Point initial SP in SRAM so SPL can use it too. */
#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.
*
* In case of a HAB boot, we cannot for some weird reason use the first 4KiB
* of DRAM when loading. Moreover, we use the first 4 KiB for IVT and CST
* blocks, thus U-Boot starts at offset +8 KiB of DRAM start.
*
* As for the SPL, we must avoid the first 4 KiB as well, but we load the
* IVT and CST to 0x8000, so we don't need to waste the subsequent 4 KiB.
*/
#define CONFIG_SYS_TEXT_BASE 0x40002000
#define CONFIG_SPL_TEXT_BASE 0x00001000
/* U-Boot general configuration */
#define CONFIG_SYS_LONGHELP
#define CONFIG_SYS_CBSIZE 1024 /* Console I/O 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_AUTO_COMPLETE /* Command auto complete */
#define CONFIG_CMDLINE_EDITING /* Command history etc */
/* Booting Linux */
#define CONFIG_CMDLINE_TAG
#define CONFIG_SETUP_MEMORY_TAGS
/*
* Drivers
*/
/* APBH DMA */
#define CONFIG_APBH_DMA
/* GPIO */
#define CONFIG_MXS_GPIO
/*
* DUART Serial Driver.
* Conflicts with AUART driver which can be set by board.
*/
#define CONFIG_PL011_SERIAL
#define CONFIG_PL011_CLOCK 24000000
#define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE }
#define CONFIG_CONS_INDEX 0
/* Default baudrate can be overridden by board! */
#ifndef CONFIG_BAUDRATE
#define CONFIG_BAUDRATE 115200
#endif
/* FEC Ethernet on SoC */
#ifdef CONFIG_FEC_MXC
#define CONFIG_MII
#ifndef CONFIG_ETHPRIME
#define CONFIG_ETHPRIME "FEC0"
#endif
#ifndef CONFIG_FEC_XCV_TYPE
#define CONFIG_FEC_XCV_TYPE RMII
#endif
#endif
/* I2C */
#ifdef CONFIG_CMD_I2C
#define CONFIG_SYS_I2C
#define CONFIG_SYS_I2C_MXS
#define CONFIG_HARD_I2C
#ifndef CONFIG_SYS_I2C_SPEED
#define CONFIG_SYS_I2C_SPEED 400000
#endif
#endif
/* LCD */
#ifdef CONFIG_VIDEO
#define CONFIG_VIDEO_MXS
#endif
/* MMC */
#ifdef CONFIG_CMD_MMC
#define CONFIG_GENERIC_MMC
#define CONFIG_BOUNCE_BUFFER
#endif
/* NAND */
#ifdef CONFIG_CMD_NAND
#define CONFIG_NAND_MXS
#define CONFIG_SYS_MAX_NAND_DEVICE 1
#define CONFIG_SYS_NAND_BASE 0x60000000
#define CONFIG_SYS_NAND_5_ADDR_CYCLE
#endif
/* OCOTP */
#ifdef CONFIG_CMD_FUSE
#define CONFIG_MXS_OCOTP
#endif
/* SPI */
#ifdef CONFIG_CMD_SPI
#define CONFIG_HARD_SPI
#define CONFIG_MXS_SPI
#define CONFIG_SPI_HALF_DUPLEX
#endif
/* USB */
#ifdef CONFIG_CMD_USB
#define CONFIG_USB_EHCI
#define CONFIG_USB_EHCI_MXS
#define CONFIG_EHCI_IS_TDI
#endif
#endif /* __CONFIGS_MXS_H__ */
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