3 files changed, 2 insertions, 729 deletions

diff --git a/meta/recipes-bsp/grub/grub/0001-fdt-add-grub_fdt_create_empty_tree-function.patch b/meta/recipes-bsp/grub/grub/0001-fdt-add-grub_fdt_create_empty_tree-function.patch
deleted file mode 100644
index 341457488d..0000000000
--- a/meta/recipes-bsp/grub/grub/0001-fdt-add-grub_fdt_create_empty_tree-function.patch
+++ /dev/null
@@ -1,73 +0,0 @@
-From b3417ec69ff7d52379a8f2cb291dbecccdab684f Mon Sep 17 00:00:00 2001
-From: Leif Lindholm <leif.lindholm@linaro.org>
-Date: Wed, 4 Dec 2013 13:09:21 +0000
-Subject: [PATCH 1/2] fdt: add grub_fdt_create_empty_tree() function
-
-Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
----
- grub-core/lib/fdt.c | 39 +++++++++++++++++++++++++++++++++++++++
- include/grub/fdt.h  |  1 +
- 2 files changed, 40 insertions(+)
-
-diff --git a/grub-core/lib/fdt.c b/grub-core/lib/fdt.c
-index 9f34dc7..581a118 100644
---- a/grub-core/lib/fdt.c
-+++ b/grub-core/lib/fdt.c
-@@ -423,3 +423,42 @@ int grub_fdt_set_prop (void *fdt, unsigned int nodeoffset, const char *name,
-   grub_memcpy (prop + 3, val, len);
-   return 0;
- }
-+
-+struct empty_tree {
-+  grub_fdt_header_t header;
-+  grub_uint64_t empty_rsvmap[2];
-+  struct {
-+    grub_uint32_t prop_start;
-+    grub_uint8_t name[1];
-+    grub_uint32_t prop_end;
-+    grub_uint32_t node_end;
-+  } empty_node;
-+};
-+
-+int
-+grub_fdt_create_empty_tree (void *fdt, unsigned int size)
-+{
-+  struct empty_tree *et;
-+
-+  if (size < sizeof (struct empty_tree))
-+    return -1;
-+
-+  grub_memset (fdt, 0, size);
-+  et = fdt;
-+
-+  et->empty_node.node_end = grub_cpu_to_be32 (FDT_END);
-+  et->empty_node.prop_end = grub_cpu_to_be32 (FDT_END_NODE);
-+  et->empty_node.prop_start = grub_cpu_to_be32 (FDT_BEGIN_NODE);
-+  ((struct empty_tree *) fdt)->header.off_mem_rsvmap =
-+    grub_cpu_to_be32 (ALIGN_UP (sizeof (grub_fdt_header_t), 8));
-+
-+  grub_fdt_set_off_dt_strings (fdt, sizeof (struct empty_tree));
-+  grub_fdt_set_off_dt_struct (fdt, sizeof (grub_fdt_header_t) + 16);
-+  grub_fdt_set_version (fdt, FDT_SUPPORTED_VERSION);
-+  grub_fdt_set_last_comp_version (fdt, FDT_SUPPORTED_VERSION);
-+  grub_fdt_set_size_dt_struct (fdt, sizeof (et->empty_node));
-+  grub_fdt_set_totalsize (fdt, size);
-+  grub_fdt_set_magic (fdt, FDT_MAGIC);
-+
-+  return 0;
-+}
-diff --git a/include/grub/fdt.h b/include/grub/fdt.h
-index 2ad0536..06eec19 100644
---- a/include/grub/fdt.h
-+++ b/include/grub/fdt.h
-@@ -82,6 +82,7 @@ typedef struct {
- #define grub_fdt_set_size_dt_struct(fdt, value)        \
-        grub_fdt_set_header(fdt, size_dt_struct, value)
- 
-+int grub_fdt_create_empty_tree (void *fdt, unsigned int size);
- int grub_fdt_check_header (void *fdt, unsigned int size);
- int grub_fdt_find_subnode (const void *fdt, unsigned int parentoffset,
-                           const char *name);
--- 
-1.8.4.2
-
diff --git a/meta/recipes-bsp/grub/grub/0002-arm64-add-EFI-Linux-loader.patch b/meta/recipes-bsp/grub/grub/0002-arm64-add-EFI-Linux-loader.patch
deleted file mode 100644
index 4e9df62bdf..0000000000
--- a/meta/recipes-bsp/grub/grub/0002-arm64-add-EFI-Linux-loader.patch
+++ /dev/null
@@ -1,653 +0,0 @@
-From 55cbddc471b6caf27355ce93d1534d894e6ed0bb Mon Sep 17 00:00:00 2001
-From: Leif Lindholm <leif.lindholm@linaro.org>
-Date: Wed, 4 Dec 2013 15:21:16 +0000
-Subject: [PATCH 2/2] arm64: add EFI Linux loader
-
-Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
----
- grub-core/Makefile.core.def       |   4 +-
- grub-core/loader/arm64/linux.c    | 252 ++++++++++++++++++++++++++++++++++
- grub-core/loader/arm64/linuxefi.c | 279 ++++++++++++++++++++++++++++++++++++++
- include/grub/arm64/linux.h        |  54 ++++++++
- include/grub/efi/api.h            |   4 +
- 5 files changed, 592 insertions(+), 1 deletion(-)
- create mode 100644 grub-core/loader/arm64/linux.c
- create mode 100644 grub-core/loader/arm64/linuxefi.c
- create mode 100644 include/grub/arm64/linux.h
-
-diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def
-index 060de44..7cf91a6 100644
---- a/grub-core/Makefile.core.def
-+++ b/grub-core/Makefile.core.def
-@@ -1663,7 +1663,9 @@ module = {
-   sparc64_ieee1275 = loader/sparc64/ieee1275/linux.c;
-   ia64_efi = loader/ia64/efi/linux.c;
-   arm = loader/arm/linux.c;
--  arm = lib/fdt.c;
-+  arm64 = loader/arm64/linux.c;
-+  arm64 = loader/arm64/linuxefi.c;
-+  fdt = lib/fdt.c;
-   common = loader/linux.c;
-   common = lib/cmdline.c;
-   enable = noemu;
-diff --git a/grub-core/loader/arm64/linux.c b/grub-core/loader/arm64/linux.c
-new file mode 100644
-index 0000000..38821c9
---- /dev/null
-+++ b/grub-core/loader/arm64/linux.c
-@@ -0,0 +1,252 @@
-+/* Helper functions for the generic UEFI Linux loader */
-+/*
-+ *  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/>.
-+ */
-+
-+#include <grub/command.h>
-+#include <grub/err.h>
-+#include <grub/file.h>
-+#include <grub/fdt.h>
-+#include <grub/mm.h>
-+#include <grub/cpu/linux.h>
-+#include <grub/efi/efi.h>
-+
-+static grub_efi_guid_t fdt_guid = GRUB_EFI_DEVICE_TREE_GUID;
-+
-+static int chosen;
-+
-+static grub_addr_t initrd_start;
-+static grub_addr_t initrd_end;
-+
-+static void * fw_fdt;
-+static void * fdt;
-+
-+static char *linux_args;
-+
-+static void
-+get_fdt (void)
-+{
-+  grub_efi_configuration_table_t * tables;
-+  unsigned int i;
-+  int size;
-+
-+  /* If already loaded, just return address. */
-+  if (fdt)
-+    return;
-+
-+  tables = grub_efi_system_table->configuration_table;
-+
-+  if (!fw_fdt)
-+    /* Look for FDT in UEFI config tables. */
-+    for (i=0; i < grub_efi_system_table->num_table_entries; i++)
-+      if (grub_memcmp (&tables[i].vendor_guid, &fdt_guid, sizeof (fdt_guid))
-+         == 0)
-+       {
-+         fw_fdt = tables[i].vendor_table;
-+         grub_dprintf("linux", "found registered FDT @ 0x%p\n", fw_fdt);
-+         break;
-+       }
-+
-+  size = fw_fdt ? grub_fdt_get_totalsize (fw_fdt) : 0;
-+  size += grub_strlen (linux_args) + 0x400;
-+
-+  grub_dprintf("linux", "allocating %d bytes for fdt\n", size);
-+  fdt = grub_malloc (size);
-+  if (!fdt)
-+    return;
-+
-+  if (fw_fdt)
-+    {
-+      grub_memmove (fdt, fw_fdt, size);
-+      grub_fdt_set_totalsize (fdt, size);
-+    }
-+  else
-+    {
-+      grub_fdt_create_empty_tree (fdt, size);
-+    }
-+}
-+
-+static int
-+get_chosen (void)
-+{
-+  chosen = grub_fdt_find_subnode (fdt, 0, "chosen");
-+  grub_printf("chosen: 0x%08x\n", chosen);
-+  if (chosen < 0)
-+    {
-+      grub_dprintf ("linux", "No 'chosen' node in FDT - creating.\n");
-+      chosen = grub_fdt_add_subnode (fdt, 0, "chosen");
-+      if (chosen < 0)
-+       return 0;
-+      grub_printf("chosen=0x%08x\n", chosen);
-+    }
-+
-+  return chosen;
-+}
-+
-+
-+grub_err_t
-+grub_linux_init_params (void)
-+{
-+  return GRUB_ERR_NONE;
-+}
-+
-+grub_err_t
-+grub_linux_check_kernel (struct linux_kernel_header *lh)
-+{
-+  if (lh->magic != GRUB_LINUX_MAGIC)
-+    return GRUB_ERR_BAD_OS;
-+
-+  if ((lh->code0 & 0xffff) == 0x5A4D)
-+    grub_dprintf ("linux", "UEFI stub kernel\n");
-+  else
-+    grub_dprintf ("linux", "Plain Image kernel\n");
-+
-+  return GRUB_ERR_NONE;
-+}
-+
-+grub_err_t
-+grub_linux_register_cmdline (void * addr)
-+{
-+  linux_args = addr;
-+
-+  return GRUB_ERR_NONE;
-+}
-+
-+grub_err_t
-+grub_linux_register_initrd (void * addr, grub_size_t size)
-+{
-+  initrd_start = (grub_addr_t) addr;
-+  initrd_end = initrd_start + size;
-+
-+  return GRUB_ERR_NONE;
-+}
-+
-+grub_err_t
-+grub_linux_finalize_params (void)
-+{
-+  grub_efi_boot_services_t *b;
-+  grub_efi_status_t status;
-+  int node, retval;
-+
-+  get_fdt();
-+  if (!fdt)
-+    goto failure;
-+
-+  node = get_chosen();
-+  if (node < 1)
-+    goto failure;
-+
-+  /* Generate and set command line */
-+  retval = grub_fdt_set_prop (fdt, node, "bootargs", linux_args,
-+                            grub_strlen (linux_args) + 1);
-+  if (retval)
-+    {
-+      grub_dprintf("linux", "failed to set command line\n");
-+      goto failure;
-+    }
-+
-+  grub_dprintf ("linux", "linux command line: '%s'\n", linux_args);
-+
-+  b = grub_efi_system_table->boot_services;
-+  status = b->install_configuration_table (&fdt_guid, fdt);
-+  if (status != GRUB_EFI_SUCCESS)
-+    return GRUB_ERR_BAD_OS;
-+
-+  grub_dprintf ("linux", "Installed/updated FDT configuration table!\n");
-+  grub_dprintf ("linux", " @ %p\n", fdt);
-+
-+  return GRUB_ERR_NONE;
-+
-+ failure:
-+  return GRUB_ERR_BAD_OS;
-+}
-+
-+static void *
-+load_dtb (const char * filename)
-+{
-+  grub_file_t dtb;
-+  void * tmp_fdt;
-+  int size;
-+
-+  tmp_fdt = NULL;
-+  dtb = grub_file_open (filename);
-+  if (!dtb)
-+    {
-+      grub_error (GRUB_ERR_FILE_NOT_FOUND, N_("failed to open file"));
-+      return NULL;
-+    }
-+
-+  size = grub_file_size (dtb);
-+  if (size == 0)
-+      goto out;
-+
-+  tmp_fdt = grub_malloc (size);
-+  if (!tmp_fdt)
-+    goto out;
-+
-+  if (grub_file_read (dtb, tmp_fdt, size) != size)
-+    {
-+      grub_free (tmp_fdt);
-+      return NULL;
-+    }
-+
-+  if (grub_fdt_check_header (tmp_fdt, size) != 0)
-+    {
-+      grub_free (tmp_fdt);
-+      return NULL;
-+    }
-+
-+ out:
-+  grub_file_close (dtb);
-+  return tmp_fdt;
-+}
-+
-+static grub_err_t
-+grub_cmd_devicetree (grub_command_t cmd __attribute__ ((unused)),
-+                    int argc, char *argv[])
-+{
-+  void *blob;
-+
-+  if (argc != 1)
-+    return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
-+
-+  grub_free(fdt);
-+
-+  blob = load_dtb (argv[0]);
-+  if (!blob)
-+    return GRUB_ERR_FILE_NOT_FOUND;
-+
-+  fw_fdt = blob;
-+
-+  return GRUB_ERR_NONE;
-+}
-+
-+static grub_command_t cmd_devicetree;
-+
-+void
-+grub_efi_linux_arch_register_commands (void)
-+{
-+  cmd_devicetree =
-+    grub_register_command ("devicetree", grub_cmd_devicetree, 0,
-+                          N_("Load DTB file."));
-+}
-+
-+void
-+grub_efi_linux_arch_unregister_commands (void)
-+{
-+  grub_unregister_command (cmd_devicetree);
-+}
-diff --git a/grub-core/loader/arm64/linuxefi.c b/grub-core/loader/arm64/linuxefi.c
-new file mode 100644
-index 0000000..71d11f4
---- /dev/null
-+++ b/grub-core/loader/arm64/linuxefi.c
-@@ -0,0 +1,279 @@
-+/*
-+ *  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/>.
-+ */
-+
-+#include <grub/loader.h>
-+#include <grub/file.h>
-+#include <grub/err.h>
-+#include <grub/types.h>
-+#include <grub/mm.h>
-+#include <grub/cpu/linux.h>
-+#include <grub/command.h>
-+#include <grub/i18n.h>
-+#include <grub/lib/cmdline.h>
-+#include <grub/efi/efi.h>
-+#include <grub/efi/pe32.h>
-+
-+GRUB_MOD_LICENSE ("GPLv3+");
-+
-+static grub_dl_t my_mod;
-+static int loaded;
-+static void *kernel_mem;
-+static grub_uint64_t kernel_size;
-+static void *initrd_mem;
-+static grub_uint32_t initrd_size;
-+static char *linux_cmdline;
-+
-+static grub_uint32_t cmdline_size;
-+
-+#define GRUB_EFI_PAGE_SHIFT    12
-+#define BYTES_TO_PAGES(bytes)   (((bytes) + 0xfff) >> GRUB_EFI_PAGE_SHIFT)
-+
-+typedef void (* handover_func) (grub_efi_handle_t, grub_efi_system_table_t *, void *);
-+
-+static grub_err_t
-+grub_linuxefi_boot (void)
-+{
-+  handover_func hf;
-+  struct linux_kernel_header *lh = kernel_mem;
-+  struct grub_pe32_optional_header *oh;
-+  grub_err_t retval;
-+
-+  retval = grub_linux_finalize_params();
-+  if (retval != GRUB_ERR_NONE)
-+    return retval;
-+
-+  grub_printf ("PE/COFF header @ %08x\n", lh->hdr_offset);
-+  oh = (void *) ((grub_addr_t) kernel_mem + sizeof ("PE\0") + lh->hdr_offset
-+                + sizeof (struct grub_pe32_coff_header));
-+
-+  grub_printf ("Entry point: 0x%08x\n", oh->entry_addr);
-+  hf = (handover_func) ((char *) kernel_mem + oh->entry_addr);
-+  grub_printf ("hf: %p\n", (void *) hf);
-+  grub_printf("grub_efi_image_handle: %p\n", grub_efi_image_handle);
-+  grub_printf("grub_efi_system_table: %p\n", grub_efi_system_table);
-+
-+  hf (grub_efi_image_handle, grub_efi_system_table, grub_linux_get_params());
-+
-+  grub_printf("holy shit!\n");
-+
-+  /* Not reached */
-+  return GRUB_ERR_NONE;
-+}
-+
-+static grub_err_t
-+grub_linuxefi_unload (void)
-+{
-+  grub_dl_unref (my_mod);
-+  loaded = 0;
-+  if (initrd_mem)
-+    grub_efi_free_pages((grub_efi_physical_address_t)initrd_mem,
-+                       BYTES_TO_PAGES(initrd_size));
-+  if (kernel_mem)
-+    grub_efi_free_pages((grub_efi_physical_address_t)kernel_mem,
-+                       BYTES_TO_PAGES(kernel_size));
-+  return GRUB_ERR_NONE;
-+}
-+
-+static grub_err_t
-+grub_cmd_initrdefi (grub_command_t cmd __attribute__ ((unused)),
-+                   int argc, char *argv[])
-+{
-+  grub_file_t *files = 0;
-+  int i, nfiles = 0;
-+  grub_size_t size = 0;
-+  grub_uint8_t *ptr;
-+
-+  if (argc == 0)
-+    {
-+      grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
-+      goto fail;
-+    }
-+
-+  if (!loaded)
-+    {
-+      grub_error (GRUB_ERR_BAD_ARGUMENT,
-+                 N_("you need to load the kernel first"));
-+      goto fail;
-+    }
-+
-+  files = grub_zalloc (argc * sizeof (files[0]));
-+  if (!files)
-+    goto fail;
-+
-+  for (i = 0; i < argc; i++)
-+    {
-+      grub_file_filter_disable_compression ();
-+      files[i] = grub_file_open (argv[i]);
-+      if (! files[i])
-+        goto fail;
-+      nfiles++;
-+      size += ALIGN_UP (grub_file_size (files[i]), 4);
-+    }
-+
-+  initrd_mem = grub_efi_allocate_pages (0, BYTES_TO_PAGES(size));
-+
-+  if (!initrd_mem)
-+    {
-+      grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("can't allocate initrd"));
-+      goto fail;
-+    }
-+
-+  grub_linux_register_initrd (initrd_mem, size);
-+
-+  ptr = initrd_mem;
-+
-+  for (i = 0; i < nfiles; i++)
-+    {
-+      grub_ssize_t cursize = grub_file_size (files[i]);
-+      if (grub_file_read (files[i], ptr, cursize) != cursize)
-+        {
-+          if (!grub_errno)
-+            grub_error (GRUB_ERR_FILE_READ_ERROR,
-+                       N_("premature end of file %s"), argv[i]);
-+          goto fail;
-+        }
-+      ptr += cursize;
-+      grub_memset (ptr, 0, ALIGN_UP_OVERHEAD (cursize, 4));
-+      ptr += ALIGN_UP_OVERHEAD (cursize, 4);
-+    }
-+
-+ fail:
-+  for (i = 0; i < nfiles; i++)
-+    grub_file_close (files[i]);
-+  grub_free (files);
-+
-+  if (initrd_mem && grub_errno)
-+    grub_efi_free_pages((grub_efi_physical_address_t) initrd_mem,
-+                       BYTES_TO_PAGES(size));
-+
-+  return grub_errno;
-+}
-+
-+static grub_err_t
-+grub_cmd_linuxefi (grub_command_t cmd __attribute__ ((unused)),
-+                  int argc, char *argv[])
-+{
-+  grub_file_t file = 0;
-+  struct linux_kernel_header *lh;
-+  grub_ssize_t filelen;
-+
-+  grub_dl_ref (my_mod);
-+
-+  if (argc == 0)
-+    {
-+      grub_error (GRUB_ERR_BAD_ARGUMENT, N_("filename expected"));
-+      goto fail;
-+    }
-+
-+  file = grub_file_open (argv[0]);
-+  if (! file)
-+    goto fail;
-+
-+  filelen = grub_file_size (file);
-+
-+  grub_printf ("kernel file size: %lld\n", (long long) filelen);
-+  kernel_mem = grub_efi_allocate_pages (0, BYTES_TO_PAGES(filelen));
-+  grub_printf ("kernel numpages: %lld\n", (long long) BYTES_TO_PAGES(filelen));
-+  if (!kernel_mem)
-+    {
-+      grub_error (GRUB_ERR_OUT_OF_MEMORY, N_("can't allocate kernel"));
-+      goto fail;
-+    }
-+
-+  if (grub_file_read (file, kernel_mem, filelen) != filelen)
-+    {
-+      grub_error (GRUB_ERR_FILE_READ_ERROR, N_("Can't read kernel %s"),
-+                 argv[0]);
-+      goto fail;
-+    }
-+
-+  lh = (void *) kernel_mem;
-+  grub_dprintf ("linux", "kernel_mem @ %p\n", kernel_mem);
-+  grub_dprintf ("linux", "code0: 0x%08x\n", lh->code0);
-+  grub_dprintf ("linux", "code1: 0x%08x\n", lh->code1);
-+  grub_dprintf ("linux", "text_offset: 0x%016llx\n",
-+               (long long unsigned) lh->text_offset);
-+  grub_dprintf ("linux", "magic: 0x%08x\n", lh->magic);
-+  grub_dprintf ("linux", "hdr_offset: 0x%08llx\n",
-+               (long long unsigned) lh->hdr_offset);
-+
-+  if (grub_linux_init_params() != GRUB_ERR_NONE)
-+    {
-+      grub_error (GRUB_ERR_OUT_OF_MEMORY, "cannot allocate kernel parameters");
-+      goto fail;
-+    }
-+
-+  cmdline_size = grub_loader_cmdline_size (argc, argv);
-+
-+  linux_cmdline = grub_malloc(cmdline_size + sizeof (LINUX_IMAGE));
-+  if (!linux_cmdline)
-+    grub_error (GRUB_ERR_OUT_OF_MEMORY, "cannot allocate command line");
-+  grub_memcpy (linux_cmdline, LINUX_IMAGE, sizeof (LINUX_IMAGE));
-+  grub_create_loader_cmdline (argc, argv,
-+                              linux_cmdline + sizeof (LINUX_IMAGE) - 1,
-+                             cmdline_size);
-+
-+  grub_linux_register_cmdline (linux_cmdline);
-+
-+  if (grub_errno == GRUB_ERR_NONE)
-+    {
-+      grub_loader_set (grub_linuxefi_boot, grub_linuxefi_unload, 0);
-+      loaded = 1;
-+    }
-+
-+ fail:
-+
-+  if (file)
-+    grub_file_close (file);
-+
-+  if (grub_errno != GRUB_ERR_NONE)
-+    {
-+      grub_dl_unref (my_mod);
-+      loaded = 0;
-+    }
-+
-+  if (linux_cmdline && !loaded)
-+    grub_efi_free_pages ((grub_efi_physical_address_t) linux_cmdline,
-+                        BYTES_TO_PAGES(cmdline_size));
-+
-+  if (kernel_mem && !loaded)
-+    grub_efi_free_pages ((grub_efi_physical_address_t) kernel_mem,
-+                        BYTES_TO_PAGES(kernel_size));
-+
-+  return grub_errno;
-+}
-+
-+static grub_command_t cmd_linuxefi, cmd_initrdefi;
-+
-+GRUB_MOD_INIT(linuxefi)
-+{
-+  cmd_linuxefi =
-+    grub_register_command ("linuxefi", grub_cmd_linuxefi, 0, N_("Load Linux."));
-+  cmd_initrdefi =
-+    grub_register_command ("initrdefi", grub_cmd_initrdefi,
-+                          0, N_("Load initrd."));
-+  grub_efi_linux_arch_register_commands();
-+  my_mod = mod;
-+}
-+
-+GRUB_MOD_FINI(linuxefi)
-+{
-+  grub_unregister_command (cmd_linuxefi);
-+  grub_unregister_command (cmd_initrdefi);
-+  grub_efi_linux_arch_unregister_commands();
-+}
-diff --git a/include/grub/arm64/linux.h b/include/grub/arm64/linux.h
-new file mode 100644
-index 0000000..9529bc3
---- /dev/null
-+++ b/include/grub/arm64/linux.h
-@@ -0,0 +1,54 @@
-+/*
-+ *  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
-+
-+#include <grub/efi/efi.h>
-+
-+#define GRUB_EFI_KERNEL_STUB_ENTRY_OFFSET 0
-+#define GRUB_LINUX_MAX_LOAD_ADDR 0xffffffffffffULL
-+
-+#define GRUB_LINUX_MAGIC 0x644d5241 /* 'ARM\x64' */
-+
-+/* From linux/Documentation/arm64/booting.txt */
-+struct linux_kernel_header
-+{
-+  grub_uint32_t code0;         /* Executable code */
-+  grub_uint32_t code1;         /* Executable code */
-+  grub_uint64_t text_offset;    /* Image load offset */
-+  grub_uint64_t res0;          /* reserved */
-+  grub_uint64_t res1;          /* reserved */
-+  grub_uint64_t res2;          /* reserved */
-+  grub_uint64_t res3;          /* reserved */
-+  grub_uint64_t res4;          /* reserved */
-+  grub_uint32_t magic;         /* Magic number, little endian, "ARM\x64" */
-+  grub_uint32_t hdr_offset;    /* Offset of PE/COFF header */
-+};
-+
-+#define grub_linux_get_params() NULL
-+extern grub_err_t grub_linux_init_params (void);
-+extern grub_err_t grub_linux_finalize_params (void);
-+extern grub_err_t grub_linux_check_kernel (struct linux_kernel_header *lh);
-+extern grub_err_t grub_linux_register_cmdline (void * addr);
-+extern grub_err_t grub_linux_register_initrd (void * addr, grub_size_t size);
-+
-+extern void grub_efi_linux_arch_register_commands (void);
-+extern void grub_efi_linux_arch_unregister_commands (void);
-+
-+#endif /* ! GRUB_LINUX_CPU_HEADER */
-diff --git a/include/grub/efi/api.h b/include/grub/efi/api.h
-index 3af0911..055b01d 100644
---- a/include/grub/efi/api.h
-+++ b/include/grub/efi/api.h
-@@ -276,6 +276,10 @@
-       { 0x82, 0x79, 0xa8, 0x4b, 0x79, 0x61, 0x78, 0x98 } \
-   }
- 
-+#define GRUB_EFI_DEVICE_TREE_GUID \
-+  { 0xb1b621d5, 0xf19c, 0x41a5, \
-+      { 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0 } \
-+  }
- struct grub_efi_sal_system_table
- {
-   grub_uint32_t signature;
--- 
-1.8.4.2
-
diff --git a/meta/recipes-bsp/grub/grub_git.bb b/meta/recipes-bsp/grub/grub_git.bb
index ca636f32ce..1796e7f660 100644
--- a/meta/recipes-bsp/grub/grub_git.bb
+++ b/meta/recipes-bsp/grub/grub_git.bb
@@ -17,10 +17,8 @@ DEFAULT_PREFERENCE = "-1"
 DEFAULT_PREFERENCE_arm = "1"
 
 PV = "2.00+${SRCPV}"
-SRCREV = "3bc1b2daabb9b07a9c08bca386005d96f07147fe"
+SRCREV = "0776112c5311196889a15058a3b1be4c81ba5e05"
 SRC_URI = "git://git.savannah.gnu.org/grub.git \
-           file://0001-fdt-add-grub_fdt_create_empty_tree-function.patch \
-           file://0002-arm64-add-EFI-Linux-loader.patch \                  
            file://40_custom \
           "
 
@@ -33,6 +31,7 @@ inherit gettext
 
 PACKAGECONFIG ??= ""
 PACKAGECONFIG[grub-mount] = "--enable-grub-mount,--disable-grub-mount,fuse"
+PACKAGECONFIG[device-mapper] = "--enable-device-mapper,--disable-device-mapper,lvm2"
 
 # configure.ac has code to set this automagically from the target tuple
 # but the OE freeform one (core2-foo-bar-linux) don't work with that.