omap3_overo.h
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/*
* Configuration settings for the Gumstix Overo board.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __CONFIG_H
#define __CONFIG_H
#define CONFIG_NR_DRAM_BANKS 2 /* CS1 may or may not be populated */
#include <configs/ti_omap3_common.h>
/*
* We are only ever GP parts and will utilize all of the "downloaded image"
* area in SRAM which starts at 0x40200000 and ends at 0x4020FFFF (64KB).
*/
#undef CONFIG_SPL_TEXT_BASE
#define CONFIG_SPL_TEXT_BASE 0x40200000
/* call misc_init_r */
#define CONFIG_MISC_INIT_R
/* pass the revision tag */
#define CONFIG_REVISION_TAG
/* override size of malloc() pool */
#undef CONFIG_SYS_MALLOC_LEN
#define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB sector */
/* Shift 128 << 15 provides 4 MiB heap to support UBI commands.
* Shift 128 << 10 provides 128 KiB heap for limited-memory devices. */
#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 15))
/* I2C Support */
/* TWL4030 LED */
#define CONFIG_TWL4030_LED
/* USB EHCI */
#define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO 183
/* commands to include */
#ifdef CONFIG_NAND
#define CONFIG_MTD_PARTITIONS /* required for UBI partition support */
/* NAND block size is 128 KiB. Synchronize these values with
* overo_nand_partitions in mach-omap2/board-overo.c in Linux:
* xloader 4 * NAND_BLOCK_SIZE = 512 KiB
* uboot 14 * NAND_BLOCK_SIZE = 1792 KiB
* uboot environtment 2 * NAND_BLOCK_SIZE = 256 KiB
* linux 64 * NAND_BLOCK_SIZE = 8 MiB
* rootfs remainder
*/
#endif /* CONFIG_NAND */
/* Board NAND Info. */
#define CONFIG_SYS_NAND_ADDR NAND_BASE /* physical address */
/* to access nand */
/* Environment information */
#define CONFIG_EXTRA_ENV_SETTINGS \
DEFAULT_LINUX_BOOT_ENV \
"bootdir=/boot\0" \
"bootfile=zImage\0" \
"usbtty=cdc_acm\0" \
"console=ttyO2,115200n8\0" \
"mpurate=auto\0" \
"optargs=\0" \
"vram=12M\0" \
"dvimode=1024x768MR-16@60\0" \
"defaultdisplay=dvi\0" \
"mmcdev=0\0" \
"mmcroot=/dev/mmcblk0p2 rw\0" \
"mmcrootfstype=ext4 rootwait\0" \
"nandroot=ubi0:rootfs ubi.mtd=4\0" \
"nandrootfstype=ubifs\0" \
"mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
"mmcargs=setenv bootargs console=${console} " \
"${optargs} " \
"mpurate=${mpurate} " \
"vram=${vram} " \
"omapfb.mode=dvi:${dvimode} " \
"omapdss.def_disp=${defaultdisplay} " \
"root=${mmcroot} " \
"rootfstype=${mmcrootfstype}\0" \
"nandargs=setenv bootargs console=${console} " \
"${optargs} " \
"mpurate=${mpurate} " \
"vram=${vram} " \
"omapfb.mode=dvi:${dvimode} " \
"omapdss.def_disp=${defaultdisplay} " \
"root=${nandroot} " \
"rootfstype=${nandrootfstype}\0" \
"loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \
"bootscript=echo Running boot script from mmc ...; " \
"source ${loadaddr}\0" \
"loadbootenv=load mmc ${mmcdev} ${loadaddr} uEnv.txt\0" \
"importbootenv=echo Importing environment from mmc ...; " \
"env import -t ${loadaddr} ${filesize}\0" \
"loaduimage=load mmc ${mmcdev} ${loadaddr} uImage\0" \
"mmcboot=echo Booting from mmc...; " \
"run mmcargs; " \
"bootm ${loadaddr}\0" \
"loadzimage=load mmc ${mmcdev}:2 ${loadaddr} ${bootdir}/${bootfile}\0" \
"loadfdt=load mmc ${mmcdev}:2 ${fdtaddr} ${bootdir}/${fdtfile}\0" \
"loadubizimage=ubifsload ${loadaddr} ${bootdir}/${bootfile}\0" \
"loadubifdt=ubifsload ${fdtaddr} ${bootdir}/${fdtfile}\0" \
"mmcbootfdt=echo Booting with DT from mmc ...; " \
"run mmcargs; " \
"bootz ${loadaddr} - ${fdtaddr}\0" \
"nandboot=echo Booting from nand ...; " \
"run nandargs; " \
"if nand read ${loadaddr} linux; then " \
"bootm ${loadaddr};" \
"fi;\0" \
"nanddtsboot=echo Booting from nand with DTS...; " \
"run nandargs; " \
"ubi part rootfs; "\
"ubifsmount ubi0:rootfs; "\
"run loadubifdt; "\
"run loadubizimage; "\
"bootz ${loadaddr} - ${fdtaddr}\0" \
#define CONFIG_BOOTCOMMAND \
"mmc dev ${mmcdev}; if mmc rescan; then " \
"if run loadbootscript; then " \
"run bootscript; " \
"fi;" \
"if run loadbootenv; then " \
"echo Loaded environment from ${bootenv};" \
"run importbootenv;" \
"fi;" \
"if test -n $uenvcmd; then " \
"echo Running uenvcmd ...;" \
"run uenvcmd;" \
"fi;" \
"if run loaduimage; then " \
"run mmcboot;" \
"fi;" \
"if run loadzimage; then " \
"if test -z \"${fdtfile}\"; then " \
"setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \
"fi;" \
"if run loadfdt; then " \
"run mmcbootfdt;" \
"fi;" \
"fi;" \
"fi;" \
"run nandboot; " \
"if test -z \"${fdtfile}\"; then "\
"setenv fdtfile omap3-${boardname}-${expansionname}.dtb;" \
"fi;" \
"run nanddtsboot; " \
/* memtest works on */
#define CONFIG_SYS_MEMTEST_START (OMAP34XX_SDRC_CS0)
#define CONFIG_SYS_MEMTEST_END (OMAP34XX_SDRC_CS0 + \
0x01F00000) /* 31MB */
/* FLASH and environment organization */
#if defined(CONFIG_NAND)
#define CONFIG_SYS_FLASH_BASE NAND_BASE
#endif
/* Monitor at start of flash */
#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
#define CONFIG_SYS_ONENAND_BASE ONENAND_MAP
#define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */
#define CONFIG_SYS_ENV_SECT_SIZE (128 << 10) /* 128 KiB */
#define CONFIG_ENV_OFFSET 0x240000
#define CONFIG_ENV_ADDR 0x240000
/* Initial RAM setup */
#define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800
#define CONFIG_SYS_INIT_RAM_SIZE 0x800
/* NAND boot config */
#define CONFIG_SYS_NAND_MAX_ECCPOS 56
#define CONFIG_SYS_NAND_5_ADDR_CYCLE
#define CONFIG_SYS_NAND_PAGE_COUNT 64
#define CONFIG_SYS_NAND_PAGE_SIZE 2048
#define CONFIG_SYS_NAND_OOBSIZE 64
#define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024)
#define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
#define CONFIG_SYS_NAND_ECCPOS {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, \
13, 14, 16, 17, 18, 19, 20, 21, 22, \
23, 24, 25, 26, 27, 28, 30, 31, 32, \
33, 34, 35, 36, 37, 38, 39, 40, 41, \
42, 44, 45, 46, 47, 48, 49, 50, 51, \
52, 53, 54, 55, 56}
#define CONFIG_SYS_NAND_ECCSIZE 512
#define CONFIG_SYS_NAND_ECCBYTES 13
#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW_DETECTION_SW
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
/* NAND: SPL falcon mode configs */
#ifdef CONFIG_SPL_OS_BOOT
#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x280000
#endif
#endif /* __CONFIG_H */