1/* 2 * Copyright (c) 2017 Tuomas Tynkkynen 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7#ifndef __CONFIG_H 8#define __CONFIG_H 9 10#include <linux/sizes.h> 11 12/* Physical memory map */ 13#define CONFIG_SYS_TEXT_BASE 0x00000000 14 15#define CONFIG_NR_DRAM_BANKS 1 16#define CONFIG_SYS_SDRAM_BASE 0x40000000 17 18/* The DTB generated by QEMU is placed at start of RAM, stay away from there */ 19#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + SZ_2M) 20#define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + SZ_2M) 21#define CONFIG_SYS_MALLOC_LEN SZ_16M 22 23/* QEMU's PL011 serial port is detected via FDT using the device model */ 24#define CONFIG_PL01X_SERIAL 25 26/* QEMU implements a 62.5MHz architected timer */ 27/* FIXME: can we rely on CNTFREQ instead of hardcoding this fact here? */ 28#define CONFIG_SYS_ARCH_TIMER 29#define CONFIG_SYS_HZ 1000 30#define CONFIG_SYS_HZ_CLOCK 62500000 31 32/* For block devices, QEMU emulates an ICH9 AHCI controller over PCI */ 33#define CONFIG_SYS_SCSI_MAX_SCSI_ID 6 34#define CONFIG_SCSI_AHCI 35#define CONFIG_LIBATA 36 37/* Environment options */ 38#define CONFIG_ENV_SIZE SZ_64K 39 40#include <config_distro_defaults.h> 41 42#define BOOT_TARGET_DEVICES(func) \ 43 func(SCSI, scsi, 0) 44 45#include <config_distro_bootcmd.h> 46 47#define CONFIG_PREBOOT "pci enum" 48#define CONFIG_EXTRA_ENV_SETTINGS \ 49 "fdt_high=0xffffffff\0" \ 50 "initrd_high=0xffffffff\0" \ 51 "fdt_addr=0x40000000\0" \ 52 "scriptaddr=0x40200000\0" \ 53 "pxefile_addr_r=0x40300000\0" \ 54 "kernel_addr_r=0x40400000\0" \ 55 "ramdisk_addr_r=0x44000000\0" \ 56 BOOTENV 57 58#endif /* __CONFIG_H */ 59