xref: /openbmc/u-boot/include/configs/tao3530.h (revision cc3fedb2046962c6a11e16b1d73d98b4e108a651)

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Configuration settings for the TechNexion TAO-3530 SOM
 * equipped on Thunder baseboard.
 *
 * Edward Lin <linuxfae@technexion.com>
 * Tapani Utriainen <linuxfae@technexion.com>
 *
 * Copyright (C) 2013 Stefan Roese <sr@denx.de>
 */

#ifndef __CONFIG_H
#define __CONFIG_H

/*
 * High Level Configuration Options
 */

#include <asm/arch/cpu.h>		/* get chip and board defs */
#include <asm/arch/omap.h>

/* Clock Defines */
#define V_OSCK			26000000	/* Clock output from T2 */
#define V_SCLK			(V_OSCK >> 1)

#define CONFIG_CMDLINE_TAG
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
#define CONFIG_REVISION_TAG

/*
 * Size of malloc() pool
 */
#define CONFIG_SYS_MALLOC_LEN		(4 << 20)
#define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB sector */

/*
 * Hardware drivers
 */

/*
 * NS16550 Configuration
 */
#define V_NS16550_CLK			48000000	/* 48MHz (APLL96/2) */

#define CONFIG_SYS_NS16550_SERIAL
#define CONFIG_SYS_NS16550_REG_SIZE	(-4)
#define CONFIG_SYS_NS16550_CLK		V_NS16550_CLK

/*
 * select serial console configuration
 */
#define CONFIG_SYS_NS16550_COM3		OMAP34XX_UART3

/* allow to overwrite serial and ethaddr */
#define CONFIG_ENV_OVERWRITE

/* commands to include */

#define CONFIG_SYS_I2C
#define CONFIG_I2C_MULTI_BUS

/*
 * TWL4030
 */

/*
 * Board NAND Info.
 */
#define CONFIG_SYS_NAND_BASE		NAND_BASE	/* physical address */
							/* to access nand at */
							/* CS0 */

#define CONFIG_SYS_MAX_NAND_DEVICE	1		/* Max number of NAND */
							/* devices */
/* Environment information */

#define CONFIG_EXTRA_ENV_SETTINGS \
	"loadaddr=0x82000000\0" \
	"console=ttyO2,115200n8\0" \
	"mpurate=600\0" \
	"dvi_mode=omapfb.mode=dvi:1280x720-24@60\0" \
	"tv_mode=omapfb.mode=tv:ntsc\0" \
	"video_mode=omapdss.def_disp=lcd vram=6M omapfb.vram=0:2M,1:2M,2:2M\0" \
	"lcd_mode=omapfb.mode=lcd:800x480@60 \0" \
	"extra_options= \0" \
	"mmcdev=0\0" \
	"mmcroot=/dev/mmcblk0p2 rw\0" \
	"mmcrootfstype=ext3 rootwait\0" \
	"nandroot=ubi0:rootfs ubi.mtd=4\0" \
	"nandrootfstype=ubifs\0" \
	"mmcargs=setenv bootargs console=${console} " \
		"mpurate=${mpurate} " \
		"${video_mode} " \
		"root=${mmcroot} " \
		"rootfstype=${mmcrootfstype} " \
		"${extra_options}\0" \
	"nandargs=setenv bootargs console=${console} " \
		"mpurate=${mpurate} " \
		"${video_mode} " \
		"${network_setting} " \
		"root=${nandroot} " \
		"rootfstype=${nandrootfstype} "\
		"${extra_options}\0" \
	"loadbootscript=fatload mmc ${mmcdev} ${loadaddr} boot.scr\0" \
	"bootscript=echo Running bootscript from mmc ...; " \
		"source ${loadaddr}\0" \
	"loaduimage=fatload mmc ${mmcdev} ${loadaddr} uImage\0" \
	"mmcboot=echo Booting from mmc ...; " \
		"run mmcargs; " \
		"bootm ${loadaddr}\0" \
	"nandboot=echo Booting from nand ...; " \
		"run nandargs; " \
		"nand read ${loadaddr} 280000 400000; " \
		"bootm ${loadaddr}\0" \

#define CONFIG_BOOTCOMMAND \
	"if mmc rescan ${mmcdev}; then " \
		"if run loadbootscript; then " \
			"run bootscript; " \
		"else " \
			"if run loaduimage; then " \
				"run mmcboot; " \
			"else run nandboot; " \
			"fi; " \
		"fi; " \
	"else run nandboot; fi"

/*
 * Miscellaneous configurable options
 */

/* turn on command-line edit/hist/auto */

#define CONFIG_SYS_MEMTEST_START	(0x82000000)		/* memtest */
								/* defaults */
#define CONFIG_SYS_MEMTEST_END		(0x83FFFFFF)		/* 64MB */
#define CONFIG_SYS_MEMTEST_SCRATCH	(0x81000000)	/* dummy address */

#define CONFIG_SYS_LOAD_ADDR		(OMAP34XX_SDRC_CS0)	/* default */
							/* load address */

/*
 * OMAP3 has 12 GP timers, they can be driven by the system clock
 * (12/13/16.8/19.2/38.4MHz) or by 32KHz clock. We use 13MHz (V_SCLK).
 * This rate is divided by a local divisor.
 */
#define CONFIG_SYS_TIMERBASE		(OMAP34XX_GPT2)
#define CONFIG_SYS_PTV			2       /* Divisor: 2^(PTV+1) => 8 */

/*
 * Physical Memory Map
 */
#define PHYS_SDRAM_1		OMAP34XX_SDRC_CS0
#define PHYS_SDRAM_1_SIZE	(32 << 20)	/* at least 32 MiB */
#define PHYS_SDRAM_2		OMAP34XX_SDRC_CS1

/*
 * FLASH and environment organization
 */

/* **** PISMO SUPPORT *** */
#define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */
#define CONFIG_SYS_FLASH_BASE		NAND_BASE

/* 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		0x260000 /* environment starts here */

#define CONFIG_SYS_ENV_SECT_SIZE	(128 << 10)
#define CONFIG_ENV_OFFSET		0x260000
#define CONFIG_ENV_ADDR			CONFIG_ENV_OFFSET

#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
#define CONFIG_SYS_INIT_RAM_ADDR	0x4020f800
#define CONFIG_SYS_INIT_RAM_SIZE	0x800
#define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
					 CONFIG_SYS_INIT_RAM_SIZE - \
					 GENERATED_GBL_DATA_SIZE)

/*
 * USB
 *
 * Currently only EHCI is enabled, the MUSB OTG controller
 * is not enabled.
 */

/* USB EHCI */
#define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	162

/* Defines for SPL */

#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION	1
#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME	"u-boot.img"

#define CONFIG_SPL_NAND_BASE
#define CONFIG_SPL_NAND_DRIVERS
#define CONFIG_SPL_NAND_ECC

/* NAND boot config */
#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
/*
 * Use the ECC/OOB layout from omap_gpmc.h that matches your chip:
 * SP vs LP, 8bit vs 16bit: GPMC_NAND_HW_ECC_LAYOUT
 */
#define CONFIG_SYS_NAND_ECCPOS		{ 2, 3, 4, 5, 6, 7, 8, 9, \
					 10, 11, 12, 13 }
#define CONFIG_SYS_NAND_ECCSIZE		512
#define CONFIG_SYS_NAND_ECCBYTES	3
#define CONFIG_NAND_OMAP_ECCSCHEME	OMAP_ECC_HAM1_CODE_HW

#define CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_NAND_U_BOOT_OFFS	0x80000

#define CONFIG_SPL_TEXT_BASE		0x40200800
#define CONFIG_SPL_MAX_SIZE		(SRAM_SCRATCH_SPACE_ADDR - \
					 CONFIG_SPL_TEXT_BASE)

/*
 * Use 0x80008000 as TEXT_BASE here for compatibility reasons with the
 * older x-loader implementations. And move the BSS area so that it
 * doesn't overlap with TEXT_BASE.
 */
#define CONFIG_SPL_BSS_START_ADDR	0x80100000
#define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */

#define CONFIG_SYS_SPL_MALLOC_START	0x80208000
#define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000

#endif /* __CONFIG_H */