u-boot/include/configs/am43xx_evm.h

/*
 * am43xx_evm.h
 *
 * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __CONFIG_AM43XX_EVM_H
#define __CONFIG_AM43XX_EVM_H

#define CONFIG_AM43XX

#define CONFIG_BOARD_LATE_INIT
#define CONFIG_ARCH_CPU_INIT
#define CONFIG_SYS_CACHELINE_SIZE       32
#define CONFIG_MAX_RAM_BANK_SIZE	(1024 << 20)	/* 1GB */
#define CONFIG_SYS_TIMERBASE		0x48040000	/* Use Timer2 */

#include <asm/arch/omap.h>

/* NS16550 Configuration */
#define CONFIG_SYS_NS16550
#define CONFIG_SYS_NS16550_SERIAL
#define CONFIG_SYS_NS16550_REG_SIZE	(-4)
#define CONFIG_SYS_NS16550_CLK		48000000

/* I2C Configuration */
#define CONFIG_CMD_EEPROM
#define CONFIG_ENV_EEPROM_IS_ON_I2C
#define CONFIG_SYS_I2C_EEPROM_ADDR	0x50	/* Main EEPROM */
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
#define CONFIG_SYS_I2C_MULTI_EEPROMS

/* SPL defines. */
#define CONFIG_SPL_TEXT_BASE		0x40300350
#define CONFIG_SPL_MAX_SIZE		(0x40337C00 - CONFIG_SPL_TEXT_BASE)
#define CONFIG_SPL_YMODEM_SUPPORT

/* Enabling L2 Cache */
#define CONFIG_SYS_L2_PL310
#define CONFIG_SYS_PL310_BASE	0x48242000
#define CONFIG_SYS_CACHELINE_SIZE	32

/*
 * Since SPL did pll and ddr initialization for us,
 * we don't need to do it twice.
 */
#if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT)
#define CONFIG_SKIP_LOWLEVEL_INIT
#endif

/* Now bring in the rest of the common code. */
#include <configs/ti_armv7_common.h>

/* Always 128 KiB env size */
#define CONFIG_ENV_SIZE			(128 << 10)

#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG

/* Clock Defines */
#define V_OSCK				24000000  /* Clock output from T2 */
#define V_SCLK				(V_OSCK)

/* NS16550 Configuration */
#define CONFIG_SYS_NS16550_COM1		0x44e09000	/* Base EVM has UART0 */

#define CONFIG_ENV_IS_NOWHERE

#define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/omap-common/u-boot-spl.lds"

#define CONFIG_CMD_USB
#define CONFIG_USB_HOST
#define CONFIG_USB_XHCI
#define CONFIG_USB_XHCI_OMAP
#define CONFIG_USB_STORAGE
#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS 2

#define CONFIG_OMAP_USB_PHY
#define CONFIG_AM437X_USB2PHY2_HOST

#ifndef CONFIG_SPL_BUILD
#define CONFIG_EXTRA_ENV_SETTINGS \
	"loadaddr=0x80200000\0" \
	"fdtaddr=0x80F80000\0" \
	"fdt_high=0xffffffff\0" \
	"rdaddr=0x81000000\0" \
	"fdtfile=undefined\0" \
	"bootpart=0:2\0" \
	"bootdir=/boot\0" \
	"bootfile=zImage\0" \
	"console=ttyO0,115200n8\0" \
	"optargs=\0" \
	"mmcdev=0\0" \
	"mmcroot=/dev/mmcblk0p2 rw\0" \
	"mmcrootfstype=ext4 rootwait\0" \
	"ramroot=/dev/ram0 rw ramdisk_size=65536 initrd=${rdaddr},64M\0" \
	"ramrootfstype=ext2\0" \
	"mmcargs=setenv bootargs console=${console} " \
		"${optargs} " \
		"root=${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 $filesize\0" \
	"ramargs=setenv bootargs console=${console} " \
		"${optargs} " \
		"root=${ramroot} " \
		"rootfstype=${ramrootfstype}\0" \
	"loadramdisk=load mmc ${mmcdev} ${rdaddr} ramdisk.gz\0" \
	"loadimage=load mmc ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
	"loadfdt=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\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 $uenvcmd; then " \
				"echo Running uenvcmd ...;" \
				"run uenvcmd;" \
			"fi;" \
			"if run loadimage; then " \
				"run loadfdt; " \
				"echo Booting from mmc${mmcdev} ...; " \
				"run mmcargs; " \
				"bootz ${loadaddr} - ${fdtaddr}; " \
			"fi;" \
		"fi;\0" \
	"findfdt="\
		"if test $board_name = AM43EPOS; then " \
			"setenv fdtfile am43x-epos-evm.dtb; fi; " \
		"if test $board_name = AM43__GP; then " \
			"setenv fdtfile am437x-gp-evm.dtb; fi; " \
		"if test $fdtfile = undefined; then " \
			"echo WARNING: Could not determine device tree; fi; \0"

#define CONFIG_BOOTCOMMAND \
	"run findfdt; " \
	"run mmcboot;"

#endif
#endif	/* __CONFIG_AM43XX_EVM_H */