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Diffstat (limited to 'include/configs/mxs.h')
| -rw-r--r-- | include/configs/mxs.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/include/configs/mxs.h b/include/configs/mxs.h new file mode 100644 index 0000000..a684166 --- /dev/null +++ b/include/configs/mxs.h @@ -0,0 +1,191 @@ +/* + * 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 + */ + +/* Ticks per second */ +#define CONFIG_SYS_HZ 1000 + +/* MXS uses FDT */ +#define CONFIG_OF_LIBFDT + +/* Startup hooks */ +#define CONFIG_BOARD_EARLY_INIT_F +#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/mxs" +#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds" +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_LIBGENERIC_SUPPORT +#define CONFIG_SPL_GPIO_SUPPORT + +/* Memory sizes */ +#define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */ +#define CONFIG_SYS_GBL_DATA_SIZE 128 /* Initial data */ +#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. + */ +#define CONFIG_SYS_TEXT_BASE 0x40000100 + +/* U-Boot general configuration */ +#define CONFIG_SYS_LONGHELP +#ifndef CONFIG_SYS_PROMPT +#define CONFIG_SYS_PROMPT "=> " +#endif +#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 "> " + +/* 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 */ +#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 overriden 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_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_CFB_CONSOLE +#define CONFIG_VIDEO_MXS +#define CONFIG_VIDEO_SW_CURSOR +#define CONFIG_VGA_AS_SINGLE_DEVICE +#define CONFIG_SYS_CONSOLE_IS_IN_ENV +#endif + +/* MMC */ +#ifdef CONFIG_CMD_MMC +#define CONFIG_MMC +#define CONFIG_GENERIC_MMC +#define CONFIG_BOUNCE_BUFFER +#define CONFIG_MXS_MMC +#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 + +/* 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__ */ |