1 files changed, 84 insertions, 0 deletions
diff --git a/Platform/ARM/VExpressPkg/Library/NorFlashArmVExpressLib/NorFlashArmVExpress.c b/Platform/ARM/VExpressPkg/Library/NorFlashArmVExpressLib/NorFlashArmVExpress.c
new file mode 100644
index 0000000000..a136bff4a1
--- /dev/null
+++ b/Platform/ARM/VExpressPkg/Library/NorFlashArmVExpressLib/NorFlashArmVExpress.c
@@ -0,0 +1,84 @@
+/** @file
+
+ Copyright (c) 2011-2014, ARM 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 <PiDxe.h>
+#include <Library/DebugLib.h>
+#include <Library/IoLib.h>
+#include <Library/NorFlashPlatformLib.h>
+#include <ArmPlatform.h>
+
+#define NOR_FLASH_DEVICE_COUNT                     4
+
+NOR_FLASH_DESCRIPTION mNorFlashDevices[NOR_FLASH_DEVICE_COUNT] = {
+  { // BootMon
+    ARM_VE_SMB_NOR0_BASE,
+    ARM_VE_SMB_NOR0_BASE,
+    SIZE_256KB * 255,
+    SIZE_256KB,
+    { 0xE7223039, 0x5836, 0x41E1, { 0xB5, 0x42, 0xD7, 0xEC, 0x73, 0x6C, 0x5E, 0x59 } }
+  },
+  { // BootMon non-volatile storage
+    ARM_VE_SMB_NOR0_BASE,
+    ARM_VE_SMB_NOR0_BASE + SIZE_256KB * 255,
+    SIZE_64KB * 4,
+    SIZE_64KB,
+    { 0x02118005, 0x9DA7, 0x443A, { 0x92, 0xD5, 0x78, 0x1F, 0x02, 0x2A, 0xED, 0xBB } }
+  },
+  { // UEFI
+    ARM_VE_SMB_NOR1_BASE,
+    ARM_VE_SMB_NOR1_BASE,
+    SIZE_256KB * 255,
+    SIZE_256KB,
+    { 0x1F15DA3C, 0x37FF, 0x4070, { 0xB4, 0x71, 0xBB, 0x4A, 0xF1, 0x2A, 0x72, 0x4A } }
+  },
+  { // UEFI Variable Services non-volatile storage
+    ARM_VE_SMB_NOR1_BASE,
+    ARM_VE_SMB_NOR1_BASE + SIZE_256KB * 255,
+    SIZE_64KB * 3, //FIXME: Set 3 blocks because I did not succeed to copy 4 blocks into the ARM Versatile Express NOR Flash in the last NOR Flash. It should be 4 blocks
+    SIZE_64KB,
+    { 0xCC2CBF29, 0x1498, 0x4CDD, { 0x81, 0x71, 0xF8, 0xB6, 0xB4, 0x1D, 0x09, 0x09 } }
+  }
+};
+
+EFI_STATUS
+NorFlashPlatformInitialization (
+  VOID
+  )
+{
+  // Everything seems ok so far, so now we need to disable the platform-specific
+  // flash write protection for Versatile Express
+  if ((MmioRead32 (ARM_VE_SYS_FLASH) & 0x1) == 0) {
+    // Writing to NOR FLASH is disabled, so enable it
+    MmioWrite32 (ARM_VE_SYS_FLASH,1);
+    DEBUG((DEBUG_BLKIO, "NorFlashWriteBlocks: informational - Had to enable HSYS_FLASH flag.\n" ));
+  }
+
+  return EFI_SUCCESS;
+}
+
+EFI_STATUS
+NorFlashPlatformGetDevices (
+  OUT NOR_FLASH_DESCRIPTION   **NorFlashDevices,
+  OUT UINT32                  *Count
+  )
+{
+  if ((NorFlashDevices == NULL) || (Count == NULL)) {
+    return EFI_INVALID_PARAMETER;
+  }
+
+  *NorFlashDevices = mNorFlashDevices;
+  *Count = NOR_FLASH_DEVICE_COUNT;
+
+  return EFI_SUCCESS;
+}