| /* linux.h - ARM linux specific definitions */ |
| /* |
| * GRUB -- GRand Unified Bootloader |
| * Copyright (C) 2013 Free Software Foundation, Inc. |
| * |
| * GRUB is free software: you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation, either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * GRUB is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with GRUB. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifndef GRUB_LINUX_CPU_HEADER |
| #define GRUB_LINUX_CPU_HEADER 1 |
| |
| #define LINUX_ZIMAGE_OFFSET 0x24 |
| #define LINUX_ZIMAGE_MAGIC 0x016f2818 |
| |
| #include "system.h" |
| |
| #if defined GRUB_MACHINE_UBOOT |
| # include <grub/uboot/uboot.h> |
| # define LINUX_ADDRESS (start_of_ram + 0x8000) |
| # define LINUX_INITRD_ADDRESS (start_of_ram + 0x02000000) |
| # define LINUX_FDT_ADDRESS (LINUX_INITRD_ADDRESS - 0x10000) |
| # define grub_arm_firmware_get_boot_data grub_uboot_get_boot_data |
| # define grub_arm_firmware_get_machine_type grub_uboot_get_machine_type |
| #elif defined GRUB_MACHINE_EFI |
| # include <grub/efi/efi.h> |
| # include <grub/machine/loader.h> |
| /* On UEFI platforms - load the images at the lowest available address not |
| less than *_PHYS_OFFSET from the first available memory location. */ |
| # define LINUX_PHYS_OFFSET (0x00008000) |
| # define LINUX_INITRD_PHYS_OFFSET (LINUX_PHYS_OFFSET + 0x02000000) |
| # define LINUX_FDT_PHYS_OFFSET (LINUX_INITRD_PHYS_OFFSET - 0x10000) |
| # define grub_arm_firmware_get_boot_data (grub_addr_t)grub_efi_get_firmware_fdt |
| static inline grub_uint32_t |
| grub_arm_firmware_get_machine_type (void) |
| { |
| return GRUB_ARM_MACHINE_TYPE_FDT; |
| } |
| #elif defined (GRUB_MACHINE_COREBOOT) |
| #include <grub/fdtbus.h> |
| #include <grub/machine/kernel.h> |
| # define LINUX_ADDRESS (start_of_ram + 0x8000) |
| # define LINUX_INITRD_ADDRESS (start_of_ram + 0x02000000) |
| # define LINUX_FDT_ADDRESS (LINUX_INITRD_ADDRESS - 0x10000) |
| static inline const void * |
| grub_arm_firmware_get_boot_data (void) |
| { |
| return grub_fdtbus_get_fdt (); |
| } |
| static inline grub_uint32_t |
| grub_arm_firmware_get_machine_type (void) |
| { |
| return GRUB_ARM_MACHINE_TYPE_FDT; |
| } |
| #endif |
| |
| #define FDT_ADDITIONAL_ENTRIES_SIZE 0x300 |
| |
| #endif /* ! GRUB_LINUX_CPU_HEADER */ |