xref: /openbmc/u-boot/include/configs/cm_t35.h (revision b71d9e8b)

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * (C) Copyright 2011 CompuLab, Ltd.
 * Mike Rapoport <mike@compulab.co.il>
 * Igor Grinberg <grinberg@compulab.co.il>
 *
 * Based on omap3_beagle.h
 * (C) Copyright 2006-2008
 * Texas Instruments.
 * Richard Woodruff <r-woodruff2@ti.com>
 * Syed Mohammed Khasim <x0khasim@ti.com>
 *
 * Configuration settings for the CompuLab CM-T35 and CM-T3730 boards
 */

#ifndef __CONFIG_H
#define __CONFIG_H

#define CONFIG_SYS_CACHELINE_SIZE	64

/*
 * High Level Configuration Options
 */
#define CONFIG_CM_T3X	/* working with CM-T35 and CM-T3730 */

#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		/* enable passing of ATAGs */
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG
#define CONFIG_REVISION_TAG
#define CONFIG_SERIAL_TAG

/*
 * Size of malloc() pool
 */
#define CONFIG_ENV_SIZE		(16 << 10)	/* 16 KiB */
					/* Sector */
#define CONFIG_SYS_MALLOC_LEN	(CONFIG_ENV_SIZE + (128 << 10))

/*
 * 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
#define CONFIG_SYS_BAUDRATE_TABLE	{4800, 9600, 19200, 38400, 57600,\
					115200}

/* USB device configuration */
#define CONFIG_USB_DEVICE
#define CONFIG_USB_TTY

/* commands to include */

#define CONFIG_SYS_I2C
#define CONFIG_SYS_I2C_EEPROM_ADDR	0x50
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1
#define CONFIG_SYS_I2C_EEPROM_BUS	0
#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" \
	"usbtty=cdc_acm\0" \
	"console=ttyO2,115200n8\0" \
	"mpurate=500\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=/dev/mtdblock4 rw\0" \
	"nandrootfstype=ubifs\0" \
	"mmcargs=setenv bootargs console=${console} " \
		"mpurate=${mpurate} " \
		"vram=${vram} " \
		"omapfb.mode=dvi:${dvimode} " \
		"omapdss.def_disp=${defaultdisplay} " \
		"root=${mmcroot} " \
		"rootfstype=${mmcrootfstype}\0" \
	"nandargs=setenv bootargs console=${console} " \
		"mpurate=${mpurate} " \
		"vram=${vram} " \
		"omapfb.mode=dvi:${dvimode} " \
		"omapdss.def_disp=${defaultdisplay} " \
		"root=${nandroot} " \
		"rootfstype=${nandrootfstype}\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} 2a0000 400000; " \
		"bootm ${loadaddr}\0" \

#define CONFIG_BOOTCOMMAND \
	"mmc dev ${mmcdev}; if mmc rescan; 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
 */
#define CONFIG_TIMESTAMP
#define CONFIG_SYS_AUTOLOAD		"no"

#define CONFIG_SYS_MEMTEST_START	(OMAP34XX_SDRC_CS0)	/* memtest */
								/* works on */
#define CONFIG_SYS_MEMTEST_END		(OMAP34XX_SDRC_CS0 + \
					0x01F00000) /* 31MB */

#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

/*-----------------------------------------------------------------------
 * FLASH and environment organization
 */

/* **** PISMO SUPPORT *** */
/* Monitor at start of flash */
#define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
#define CONFIG_SYS_MONITOR_LEN		(256 << 10)	/* Reserve 2 sectors */

#define CONFIG_ENV_OFFSET		0x260000
#define CONFIG_ENV_ADDR			0x260000

/* additions for new relocation code, must be added to all boards */
#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)

/* Status LED */
#define GREEN_LED_GPIO			186 /* CM-T35 Green LED is GPIO186 */

#define CONFIG_SPLASHIMAGE_GUARD

/* Display Configuration */
#define LCD_BPP		LCD_COLOR16

#define CONFIG_SPLASH_SCREEN
#define CONFIG_SPLASH_SOURCE
#define CONFIG_BMP_16BPP
#define CONFIG_SCF0403_LCD

/* 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		{ 1, 2, 3, 4, 5, 6, 7, 8, 9, \
					 10, 11, 12 }
#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

/* EEPROM */
#define CONFIG_ENV_EEPROM_IS_ON_I2C
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN		1
#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	4
#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	5
#define CONFIG_SYS_EEPROM_SIZE			256

#endif /* __CONFIG_H */