Tuomas Tynkkynen | 32f1182 | 2017-09-19 23:18:07 +0300 | [diff] [blame] | 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 */ |
Tuomas Tynkkynen | 32f1182 | 2017-09-19 23:18:07 +0300 | [diff] [blame] | 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 | |
Tuomas Tynkkynen | 32f1182 | 2017-09-19 23:18:07 +0300 | [diff] [blame] | 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 |
Tuomas Tynkkynen | 32f1182 | 2017-09-19 23:18:07 +0300 | [diff] [blame] | 30 | |
| 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 */ |