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_OMAP
#define CONFIG_OMAP_COMMON

#include <asm/arch/omap.h>

#define CONFIG_DMA_COHERENT
#define CONFIG_DMA_COHERENT_SIZE	(1 << 20)

#define CONFIG_ENV_SIZE			(128 << 10)	/* 128 KiB */
#define CONFIG_SYS_MALLOC_LEN		(1024 << 10)
#define CONFIG_SYS_LONGHELP		/* undef to save memory */
#define CONFIG_SYS_HUSH_PARSER		/* use "hush" command parser */
#define CONFIG_SYS_PROMPT		"U-Boot# "
#define CONFIG_SYS_NO_FLASH

#define CONFIG_OF_LIBFDT
#define CONFIG_CMD_BOOTZ
#define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
#define CONFIG_CMDLINE_EDITING
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_INITRD_TAG

/* commands to include */
#include <config_cmd_default.h>

#define CONFIG_CMD_ASKENV
#define CONFIG_VERSION_VARIABLE

/* set to negative value for no autoboot */
#define CONFIG_BOOTDELAY		1
#define CONFIG_ENV_VARS_UBOOT_CONFIG
#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG

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

#define CONFIG_CMD_ECHO

/* max number of command args */
#define CONFIG_SYS_MAXARGS		64

/* Console I/O Buffer Size */
#define CONFIG_SYS_CBSIZE		512

/* Print Buffer Size */
#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE \
					+ sizeof(CONFIG_SYS_PROMPT) + 16)

/* Boot Argument Buffer Size */
#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE

 /* Physical Memory Map */
#define CONFIG_NR_DRAM_BANKS		1		/*  1 bank of DRAM */
#define PHYS_DRAM_1			0x80000000	/* DRAM Bank #1 */
#define CONFIG_MAX_RAM_BANK_SIZE	(1024 << 20)	/* 1GB */

#define CONFIG_SYS_SDRAM_BASE		PHYS_DRAM_1
#define CONFIG_SYS_INIT_SP_ADDR         (NON_SECURE_SRAM_END - \
						GENERATED_GBL_DATA_SIZE)
/* Platform/Board specific defs */
#define CONFIG_SYS_LOAD_ADDR		0x81000000 /* Default load address */

#define CONFIG_SYS_TIMERBASE		0x48040000	/* Use Timer2 */
#define CONFIG_SYS_PTV			2	/* Divisor: 2^(PTV+1) => 8 */
#define CONFIG_SYS_HZ			1000

/* NS16550 Configuration */
#define CONFIG_SYS_NS16550
#define CONFIG_SYS_NS16550_SERIAL
#define CONFIG_SYS_NS16550_REG_SIZE	(-4)
#define CONFIG_SYS_NS16550_CLK		(48000000)
#define CONFIG_SYS_NS16550_COM1		0x44e09000	/* Base EVM has UART0 */

#define CONFIG_BAUDRATE		115200
#define CONFIG_SYS_BAUDRATE_TABLE	{ 110, 300, 600, 1200, 2400, \
4800, 9600, 14400, 19200, 28800, 38400, 56000, 57600, 115200 }

/* CPU */
#define CONFIG_ARCH_CPU_INIT

#define CONFIG_ENV_OVERWRITE		1
#define CONFIG_SYS_CONSOLE_INFO_QUIET

#define CONFIG_ENV_IS_NOWHERE

/*
 * 1MB into the SDRAM to allow for SPL's bss at the beginning of SDRAM
 * 64 bytes before this address should be set aside for u-boot.img's
 * header. That is 0x800FFFC0--0x80100000 should not be used for any
 * other needs.
 */
#define CONFIG_SYS_TEXT_BASE		0x80800000

#ifndef	CONFIG_SPL_BUILD
#define CONFIG_SKIP_LOWLEVEL_INIT
#endif

/* Defines for SPL */
#define CONFIG_SPL
#define CONFIG_SPL_FRAMEWORK
#define CONFIG_SPL_TEXT_BASE		0x402F0400
#define CONFIG_SPL_MAX_SIZE		(101 * 1024)
#define CONFIG_SPL_STACK		CONFIG_SYS_INIT_SP_ADDR

#define CONFIG_SPL_BSS_START_ADDR	0x80a00000
#define CONFIG_SPL_BSS_MAX_SIZE		0x80000		/* 512 KB */

#define CONFIG_SPL_LIBCOMMON_SUPPORT
#define CONFIG_SPL_LIBDISK_SUPPORT
#define CONFIG_SPL_LIBGENERIC_SUPPORT
#define CONFIG_SPL_SERIAL_SUPPORT
#define CONFIG_SPL_YMODEM_SUPPORT
#define CONFIG_SPL_LDSCRIPT		"$(CPUDIR)/omap-common/u-boot-spl.lds"

#define CONFIG_SPL_BOARD_INIT
#define CONFIG_SYS_SPL_MALLOC_START	0x80a08000
#define CONFIG_SYS_SPL_MALLOC_SIZE	0x100000

/* Unsupported features */
#undef CONFIG_USE_IRQ

#endif	/* __CONFIG_AM43XX_EVM_H */