diff options
Diffstat (limited to 'roms/u-boot/include/configs/mxs.h')
| -rw-r--r-- | roms/u-boot/include/configs/mxs.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/roms/u-boot/include/configs/mxs.h b/roms/u-boot/include/configs/mxs.h new file mode 100644 index 000000000..325c3ee00 --- /dev/null +++ b/roms/u-boot/include/configs/mxs.h @@ -0,0 +1,141 @@ +/* + * 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 */ +#ifndef CONFIG_SPL_FRAMEWORK +#define CONFIG_SPL_NO_CPU_SUPPORT +#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/arm926ejs/mxs" +#endif + +/* Memory sizes */ +#define CONFIG_SYS_MALLOC_LEN 0x00400000 /* 4 MB for malloc */ + +/* 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. + */ + +/* U-Boot general configuration */ +#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 */ + +/* Booting Linux */ +#define CONFIG_CMDLINE_TAG +#define CONFIG_SETUP_MEMORY_TAGS + +/* + * Drivers + */ +/* + * DUART Serial Driver. + * Conflicts with AUART driver which can be set by board. + */ +#define CONFIG_PL011_CLOCK 24000000 +#define CONFIG_PL01x_PORTS { (void *)MXS_UARTDBG_BASE } +/* Default baudrate can be overridden by board! */ + +/* FEC Ethernet on SoC */ +#ifdef CONFIG_FEC_MXC +#ifndef CONFIG_ETHPRIME +#define CONFIG_ETHPRIME "FEC0" +#endif +#ifndef CONFIG_FEC_XCV_TYPE +#define CONFIG_FEC_XCV_TYPE RMII +#endif +#endif + +/* LCD */ +#ifdef CONFIG_VIDEO +#define CONFIG_VIDEO_MXS +#endif + +/* NAND */ +#ifdef CONFIG_CMD_NAND +#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_SPI_HALF_DUPLEX +#endif + +/* USB */ +#ifdef CONFIG_CMD_USB +#define CONFIG_USB_EHCI_MXS +#define CONFIG_EHCI_IS_TDI +#endif + +#endif /* __CONFIGS_MXS_H__ */ |