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Tuomas Tynkkynen32f11822017-09-19 23:18:07 +03001/*
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 */
Tuomas Tynkkynen32f11822017-09-19 23:18:07 +030013
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
Tuomas Tynkkynen32f11822017-09-19 23:18:07 +030022/* 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
Tuomas Tynkkynen32f11822017-09-19 23:18:07 +030030
31/* Environment options */
32#define CONFIG_ENV_SIZE SZ_64K
33
34#include <config_distro_defaults.h>
35
36#define BOOT_TARGET_DEVICES(func) \
37 func(SCSI, scsi, 0)
38
39#include <config_distro_bootcmd.h>
40
41#define CONFIG_PREBOOT "pci enum"
42#define CONFIG_EXTRA_ENV_SETTINGS \
43 "fdt_high=0xffffffff\0" \
44 "initrd_high=0xffffffff\0" \
45 "fdt_addr=0x40000000\0" \
46 "scriptaddr=0x40200000\0" \
47 "pxefile_addr_r=0x40300000\0" \
48 "kernel_addr_r=0x40400000\0" \
49 "ramdisk_addr_r=0x44000000\0" \
50 BOOTENV
51
52#endif /* __CONFIG_H */