blob: f217f8281ade38fdb95ebd0b0e18bdf7bbe9aaf9 [file] [log] [blame] [edit]
/* 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 */