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ArmVirtualizationPkg: add driver for QEMU's NOR flash

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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
This commit is contained in:
Ard Biesheuvel 2014-09-18 17:53:36 +00:00 committed by oliviermartin
parent 85dddd220d
commit 86d96aef47
2 changed files with 81 additions and 0 deletions
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51
ArmPlatformPkg/ArmVirtualizationPkg/Library/NorFlashQemuLib/NorFlashQemuLib.c Normal file
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/** @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;
}

30
ArmPlatformPkg/ArmVirtualizationPkg/Library/NorFlashQemuLib/NorFlashQemuLib.inf Normal file
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#/** @file
#
# Component description file for NorFlashQemuLib module
#
# 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.
#
#**/
[Defines]
INF_VERSION = 0x00010005
BASE_NAME = NorFlashQemuLib
FILE_GUID = 339B7829-4C5F-4EFC-B2DD-5050E530DECE
MODULE_TYPE = DXE_DRIVER
VERSION_STRING = 1.0
LIBRARY_CLASS = NorFlashPlatformLib
[Sources.common]
NorFlashQemuLib.c
[Packages]
MdePkg/MdePkg.dec
ArmPlatformPkg/ArmPlatformPkg.dec