xref: /openbmc/u-boot/include/configs/integrator-common.h (revision cf033e04)

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * (C) Copyright 2012
 * Linaro
 * Linus Walleij <linus.walleij@linaro.org>
 * Common ARM Integrator configuration settings
 */

#define CONFIG_SYS_MEMTEST_START	0x100000
#define CONFIG_SYS_MEMTEST_END		0x10000000
#define CONFIG_SYS_TIMERBASE		0x13000100	/* Timer1 */
#define CONFIG_SYS_LOAD_ADDR		0x7fc0	/* default load address */
#define CONFIG_SYS_MALLOC_LEN		(CONFIG_ENV_SIZE + 128*1024) /* Size of malloc() pool */

#define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs  */
#define CONFIG_SETUP_MEMORY_TAGS

/*
 * There are various dependencies on the core module (CM) fitted
 * Users should refer to their CM user guide
 */
#include "armcoremodule.h"

/*
 * Initialize and remap the core module, use SPD to detect memory size
 * If CONFIG_SKIP_LOWLEVEL_INIT is not defined &
 * the core module has a CM_INIT register
 * then the U-Boot initialisation code will
 * e.g. ARM Boot Monitor or pre-loader is repeated once
 * (to re-initialise any existing CM_INIT settings to safe values).
 *
 * This is usually not the desired behaviour since the platform
 * will either reboot into the ARM monitor (or pre-loader)
 * or continuously cycle thru it without U-Boot running,
 * depending upon the setting of Integrator/CP switch S2-4.
 *
 * However it may be needed if Integrator/CP switch S2-1
 * is set OFF to boot direct into U-Boot.
 * In that case comment out the line below.
 */
#define CONFIG_CM_INIT
#define CONFIG_CM_REMAP
#define CONFIG_CM_SPD_DETECT

/*
 * The ARM boot monitor initializes the board.
 * However, the default U-Boot code also performs the initialization.
 * If desired, this can be prevented by defining SKIP_LOWLEVEL_INIT
 * - see documentation supplied with board for details of how to choose the
 * image to run at reset/power up
 * e.g. whether the ARM Boot Monitor runs before U-Boot
 */
/* #define CONFIG_SKIP_LOWLEVEL_INIT */

/*
 * The ARM boot monitor does not relocate U-Boot.
 * However, the default U-Boot code performs the relocation check,
 * and may relocate the code if the memory map is changed.
 * If necessary this can be prevented by defining SKIP_RELOCATE_UBOOT
 */
/* #define SKIP_CONFIG_RELOCATE_UBOOT */

/*
 * Physical Memory Map
 */
#define PHYS_SDRAM_1		0x00000000	/* SDRAM Bank #1 */
#define PHYS_SDRAM_1_SIZE	0x08000000	/* 128 MB */
#define CONFIG_SYS_SDRAM_BASE	PHYS_SDRAM_1
#define CONFIG_SYS_INIT_RAM_SIZE PHYS_SDRAM_1_SIZE
#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_SDRAM_BASE + \
				    CONFIG_SYS_INIT_RAM_SIZE - \
				    GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET

/*
 * FLASH and environment organization
 * Top varies according to amount fitted
 * Reserve top 4 blocks of flash
 * - ARM Boot Monitor
 * - Unused
 * - SIB block
 * - U-Boot environment
 */
#define CONFIG_SYS_FLASH_BASE		0x24000000
#define CONFIG_SYS_MAX_FLASH_BANKS	1

/* Timeout values in ticks */
#define CONFIG_SYS_FLASH_ERASE_TOUT	(2 * CONFIG_SYS_HZ) /* Erase Timeout */
#define CONFIG_SYS_FLASH_WRITE_TOUT	(2 * CONFIG_SYS_HZ) /* Write Timeout */
#define CONFIG_SYS_FLASH_EMPTY_INFO	/* flinfo indicates empty blocks */