ArmVirtualizationPkg: add driver for QEMU's NOR flash

This adds an implementation of NorFlashPlatformLib that exposes the
two 64 MB NOR flash banks that are provided by QEMU's mach-virt
emulation both in 32-bit and 64-bit mode.

Contributed-under: TianoCore Contribution Agreement 1.0
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16133 6f19259b-4bc3-4df7-8a09-765794883524

ArmPlatformPkg/ArmVirtualizationPkg/Library/NorFlashQemuLib/NorFlashQemuLib.c

@@ -0,0 +1,51 @@
+/** @file
+
+ Copyright (c) 2014, Linaro Ltd. All rights reserved.<BR>
+
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution.  The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ **/
+
+#include <ArmPlatform.h>
+#include <Library/NorFlashPlatformLib.h>
+
+EFI_STATUS
+NorFlashPlatformInitialization (
+  VOID
+  )
+{
+  return EFI_SUCCESS;
+}
+
+NOR_FLASH_DESCRIPTION mNorFlashDevices[] = {
+  {
+    QEMU_NOR0_BASE,
+    QEMU_NOR0_BASE,
+    QEMU_NOR0_SIZE,
+    QEMU_NOR_BLOCK_SIZE,
+    {0xF9B94AE2, 0x8BA6, 0x409B, {0x9D, 0x56, 0xB9, 0xB4, 0x17, 0xF5, 0x3C, 0xB3}}
+  }, {
+    QEMU_NOR1_BASE,
+    QEMU_NOR1_BASE,
+    QEMU_NOR1_SIZE,
+    QEMU_NOR_BLOCK_SIZE,
+    {0x8047DB4B, 0x7E9C, 0x4C0C, {0x8E, 0xBC, 0xDF, 0xBB, 0xAA, 0xCA, 0xCE, 0x8F}}
+  }
+};
+
+EFI_STATUS
+NorFlashPlatformGetDevices (
+  OUT NOR_FLASH_DESCRIPTION   **NorFlashDescriptions,
+  OUT UINT32                  *Count
+  )
+{
+  *NorFlashDescriptions = mNorFlashDevices;
+  *Count = sizeof (mNorFlashDevices) / sizeof (mNorFlashDevices[0]);
+  return EFI_SUCCESS;
+}