projects / mirror_edk2.git / blame
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|---|---|---|
| 9f38945f OM |
1 | /** @file\r |
| 2 | \r | |
| 3 | Copyright (c) 2011-2014, ARM Ltd. All rights reserved.<BR>\r | |
| 4 | \r | |
| 5 | This program and the accompanying materials\r | |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 7 | which accompanies this distribution. The full text of the license may be found at\r | |
| 8 | http://opensource.org/licenses/bsd-license.php\r | |
| 9 | \r | |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 12 | \r | |
| 13 | **/\r | |
| 14 | \r | |
| 15 | #include <PiDxe.h>\r | |
| 16 | #include <Library/DebugLib.h>\r | |
| 17 | #include <Library/IoLib.h>\r | |
| 18 | #include <Library/NorFlashPlatformLib.h>\r | |
| 19 | #include <ArmPlatform.h>\r | |
| 20 | \r | |
| 21 | NOR_FLASH_DESCRIPTION mNorFlashDevices[] = {\r | |
| 22 | {\r | |
| 23 | ARM_VE_SMB_NOR0_BASE,\r | |
| 24 | ARM_VE_SMB_NOR0_BASE,\r | |
| 25 | SIZE_256KB * 255,\r | |
| 26 | SIZE_256KB,\r | |
| 27 | {0xE7223039, 0x5836, 0x41E1, { 0xB5, 0x42, 0xD7, 0xEC, 0x73, 0x6C, 0x5E, 0x59} }\r | |
| 28 | },\r | |
| 29 | {\r | |
| 30 | ARM_VE_SMB_NOR0_BASE,\r | |
| 31 | ARM_VE_SMB_NOR0_BASE + SIZE_256KB * 255,\r | |
| 32 | SIZE_64KB * 4,\r | |
| 33 | SIZE_64KB,\r | |
| 34 | {0x02118005, 0x9DA7, 0x443A, { 0x92, 0xD5, 0x78, 0x1F, 0x02, 0x2A, 0xED, 0xBB } }\r | |
| 35 | },\r | |
| 36 | };\r | |
| 37 | \r | |
| 38 | EFI_STATUS\r | |
| 39 | NorFlashPlatformInitialization (\r | |
| 40 | VOID\r | |
| 41 | )\r | |
| 42 | {\r | |
| 43 | // Everything seems ok so far, so now we need to disable the platform-specific\r | |
| 44 | // flash write protection for Versatile Express\r | |
| 45 | if ((MmioRead32 (ARM_VE_SYS_FLASH) & 0x1) == 0) {\r | |
| 46 | // Writing to NOR FLASH is disabled, so enable it\r | |
| 47 | MmioWrite32 (ARM_VE_SYS_FLASH, 1);\r | |
| 48 | DEBUG((DEBUG_BLKIO, "NorFlashPlatformInitialization: informational - Had to enable HSYS_FLASH flag.\n" ));\r | |
| 49 | }\r | |
| 50 | \r | |
| 51 | return EFI_SUCCESS;\r | |
| 52 | }\r | |
| 53 | \r | |
| 54 | EFI_STATUS\r | |
| 55 | NorFlashPlatformGetDevices (\r | |
| 56 | OUT NOR_FLASH_DESCRIPTION **NorFlashDevices,\r | |
| 57 | OUT UINT32 *Count\r | |
| 58 | )\r | |
| 59 | {\r | |
| 60 | if ((NorFlashDevices == NULL) || (Count == NULL)) {\r | |
| 61 | return EFI_INVALID_PARAMETER;\r | |
| 62 | }\r | |
| 63 | \r | |
| 64 | *NorFlashDevices = mNorFlashDevices;\r | |
| 65 | *Count = sizeof (mNorFlashDevices) / sizeof (NOR_FLASH_DESCRIPTION);\r | |
| 66 | \r | |
| 67 | return EFI_SUCCESS;\r | |
| 68 | }\r |