1/* SPDX-License-Identifier: GPL-2.0 */ 2/* 3 * (C) Copyright 2012-2016 Stephen Warren 4 */ 5 6#ifndef __CONFIG_H 7#define __CONFIG_H 8 9#include <linux/sizes.h> 10#include <asm/arch/timer.h> 11 12#ifndef __ASSEMBLY__ 13#include <asm/arch/base.h> 14#endif 15 16/* Use SoC timer for AArch32, but architected timer for AArch64 */ 17#ifndef CONFIG_ARM64 18#define CFG_SYS_TIMER_RATE 1000000 19#define CFG_SYS_TIMER_COUNTER \ 20 (&((struct bcm2835_timer_regs *)BCM2835_TIMER_PHYSADDR)->clo) 21#endif 22 23/* Memory layout */ 24#define CFG_SYS_SDRAM_BASE 0x00000000 25#define CFG_SYS_UBOOT_BASE CONFIG_TEXT_BASE 26/* 27 * The board really has 256M. However, the VC (VideoCore co-processor) shares 28 * the RAM, and uses a configurable portion at the top. We tell U-Boot that a 29 * smaller amount of RAM is present in order to avoid stomping on the area 30 * the VC uses. 31 */ 32#define CFG_SYS_SDRAM_SIZE SZ_128M 33 34#endif 35