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/*
* olimex_am355x_som.h
*
* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
* Copyright (C) ~2016 olimex
*
* 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 version 2.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
* kind, whether express or implied; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __CONFIG_OLIMEX_AM335x_SOM_H
#define __CONFIG_OLIMEX_AM335x_SOM_H
#include <linux/sizes.h>
#include <configs/ti_am335x_common.h>
#define MACH_TYPE_TIAM335EVM 3589 /* Until the next sync */
#define CONFIG_MACH_TYPE MACH_TYPE_TIAM335EVM
/* Clock Defines */
#define V_OSCK 24000000 /* Clock output from T2 */
#define V_SCLK (V_OSCK)
#ifdef CONFIG_NAND
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x000c0000
#ifdef CONFIG_SPL_OS_BOOT
#define CONFIG_CMD_SPL_NAND_OFS 0x00080000 /* os parameters */
#define CONFIG_SYS_NAND_SPL_KERNEL_OFFS 0x00200000 /* kernel offset */
#define CONFIG_CMD_SPL_WRITE_SIZE 0x2000
#endif
#define NANDARGS \
"mtdids=" MTDIDS_DEFAULT "\0" \
"mtdparts=" MTDPARTS_DEFAULT "\0" \
"nandargs=setenv bootargs console=${console} " \
"${optargs} " \
"root=${nandroot} " \
"rootfstype=${nandrootfstype}\0" \
"nandroot=ubi0:rootfs rw ubi.mtd=NAND.file-system,512\0" \
"nandrootfstype=ubifs rootwait=1\0" \
"nandboot=echo Booting from nand ...; " \
"run nandargs; " \
"nand read ${fdtaddr} NAND.u-boot-spl-os; " \
"nand read ${loadaddr} NAND.kernel; " \
"bootz ${loadaddr} - ${fdtaddr}\0"
#else
#define NANDARGS ""
#endif
#ifndef CONFIG_SPL_BUILD
#define CONFIG_EXTRA_ENV_SETTINGS \
DEFAULT_LINUX_BOOT_ENV \
"boot_fdt=try\0" \
"bootpart=0:1\0" \
"bootdir=/boot\0" \
"bootfile=zImage\0" \
"fdtfile=undefined\0" \
"console=ttyO0,115200n8\0" \
"optargs=\0" \
"mmcdev=0\0" \
"mmcroot=/dev/mmcblk0p1 rw\0" \
"mmcrootfstype=ext4 rootwait\0" \
"rootpath=/export/rootfs\0" \
"nfsopts=nolock\0" \
"mmcargs=setenv bootargs console=${console} " \
"${optargs} " \
"${mtdparts} " \
"root=${mmcroot} " \
"rootfstype=${mmcrootfstype}\0" \
"bootenv=uEnv.txt\0" \
"loadbootenv=load mmc ${mmcdev} ${loadaddr} ${bootenv}\0" \
"importbootenv=echo Importing environment from mmc ...; " \
"env import -t $loadaddr $filesize\0" \
"loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
"loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
"mmcloados=run mmcargs; " \
"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
"if run loadfdt; then " \
"bootz ${loadaddr} - ${fdtaddr}; " \
"else " \
"if test ${boot_fdt} = try; then " \
"bootz; " \
"else " \
"echo WARN: Cannot load the DT; " \
"fi; " \
"fi; " \
"else " \
"bootz; " \
"fi;\0" \
"mmcboot=mmc dev ${mmcdev}; " \
"if mmc rescan; then " \
"echo SD/MMC found on device ${mmcdev};" \
"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 loadimage; then " \
"run mmcloados;" \
"fi;" \
"fi;\0" \
NANDARGS
/*DFUARGS*/
#endif
/* NS16550 Configuration */
#define CONFIG_SYS_NS16550_COM1 0x44e09000
#define CONFIG_BAUDRATE 115200
#define CONFIG_CONS_INDEX 1
#ifdef CONFIG_NAND
#define CONFIG_SPL_NAND_BOOT
#define CONFIG_NAND_OMAP_GPMC
#define CONFIG_NAND_OMAP_GPMC_PREFETCH
#define CONFIG_NAND_OMAP_ELM
#define CONFIG_SYS_NAND_5_ADDR_CYCLE
#define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \
CONFIG_SYS_NAND_PAGE_SIZE)
#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, 15, 16, 17, \
18, 19, 20, 21, 22, 23, 24, 25, \
26, 27, 28, 29, 30, 31, 32, 33, \
34, 35, 36, 37, 38, 39, 40, 41, \
42, 43, 44, 45, 46, 47, 48, 49, \
50, 51, 52, 53, 54, 55, 56, 57, }
#define CONFIG_SYS_NAND_ECCSIZE 512
#define CONFIG_SYS_NAND_ECCBYTES 14
#define CONFIG_SYS_NAND_ONFI_DETECTION
#define CONFIG_NAND_OMAP_ECCSCHEME OMAP_ECC_BCH8_CODE_HW
#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
#endif
/* NAND support */
#ifdef CONFIG_NAND
#define CONFIG_CMD_NAND
#define GPMC_NAND_ECC_LP_x8_LAYOUT 1
#if !defined(CONFIG_SPI_BOOT) && !defined(CONFIG_NOR_BOOT)
#define MTDIDS_DEFAULT "nand0=nand.0"
#define MTDPARTS_DEFAULT "mtdparts=nand.0:" \
"128k(NAND.SPL)," \
"128k(NAND.SPL.backup1)," \
"128k(NAND.SPL.backup2)," \
"128k(NAND.SPL.backup3)," \
"256k(NAND.u-boot-spl-os)," \
"1m(NAND.u-boot)," \
"128k(NAND.u-boot-env)," \
"128k(NAND.u-boot-env.backup1)," \
"8m(NAND.kernel)," \
"-(NAND.file-system)"
#endif
#endif
#ifdef CONFIG_SPL_BUILD
#undef CONFIG_DM_MMC
#undef CONFIG_TIMER
#endif
#endif /* ! __CONFIG_OLIMEX_AM335x_SOM_H */
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