2 * Copyright (c) 2017 Tuomas Tynkkynen
4 * SPDX-License-Identifier: GPL-2.0+
10 #include <linux/sizes.h>
12 /* Physical memory map */
14 #define CONFIG_NR_DRAM_BANKS 1
15 #define CONFIG_SYS_SDRAM_BASE 0x40000000
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
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
28 /* For block devices, QEMU emulates an ICH9 AHCI controller over PCI */
29 #define CONFIG_SYS_SCSI_MAX_SCSI_ID 6
31 /* Environment options */
32 #define CONFIG_ENV_SIZE SZ_64K
34 #define BOOT_TARGET_DEVICES(func) \
37 #include <config_distro_bootcmd.h>
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" \
50 #define CONFIG_SYS_CBSIZE 512
52 #endif /* __CONFIG_H */