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 14 #define CONFIG_NR_DRAM_BANKS 1 15 #define CONFIG_SYS_SDRAM_BASE 0x40000000 16 17 /* The DTB generated by QEMU is placed at start of RAM, stay away from there */ 18 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + SZ_2M) 19 #define CONFIG_SYS_LOAD_ADDR (CONFIG_SYS_SDRAM_BASE + SZ_2M) 20 #define CONFIG_SYS_MALLOC_LEN SZ_16M 21 22 /* QEMU implements a 62.5MHz architected timer */ 23 /* FIXME: can we rely on CNTFREQ instead of hardcoding this fact here? */ 24 #define CONFIG_SYS_ARCH_TIMER 25 #define CONFIG_SYS_HZ 1000 26 #define CONFIG_SYS_HZ_CLOCK 62500000 27 28 /* For block devices, QEMU emulates an ICH9 AHCI controller over PCI */ 29 #define CONFIG_SYS_SCSI_MAX_SCSI_ID 6 30 31 /* Environment options */ 32 #define CONFIG_ENV_SIZE SZ_64K 33 34 #define BOOT_TARGET_DEVICES(func) \ 35 func(SCSI, scsi, 0) 36 37 #include <config_distro_bootcmd.h> 38 39 #define CONFIG_PREBOOT "pci enum" 40 #define CONFIG_EXTRA_ENV_SETTINGS \ 41 "fdt_high=0xffffffff\0" \ 42 "initrd_high=0xffffffff\0" \ 43 "fdt_addr=0x40000000\0" \ 44 "scriptaddr=0x40200000\0" \ 45 "pxefile_addr_r=0x40300000\0" \ 46 "kernel_addr_r=0x40400000\0" \ 47 "ramdisk_addr_r=0x44000000\0" \ 48 BOOTENV 49 50 #define CONFIG_SYS_CBSIZE 512 51 52 #endif /* __CONFIG_H */ 53