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d5e12da4 | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2011, ARM Ltd. All rights reserved.<BR>\r | |
4 | This program and the accompanying materials\r | |
5 | are licensed and made available under the terms and conditions of the BSD License\r | |
6 | which accompanies this distribution. The full text of the license may be found at\r | |
7 | http://opensource.org/licenses/bsd-license.php\r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | \r | |
12 | **/\r | |
13 | \r | |
14 | #include <PiDxe.h>\r | |
15 | #include <Library/DebugLib.h>\r | |
16 | #include <Library/IoLib.h>\r | |
17 | #include <Library/NorFlashPlatformLib.h>\r | |
18 | #include <ArmPlatform.h>\r | |
19 | \r | |
20 | #define NOR_FLASH_DEVICE_COUNT 4\r | |
21 | \r | |
22 | NOR_FLASH_DESCRIPTION mNorFlashDevices[NOR_FLASH_DEVICE_COUNT] = {\r | |
23 | { // BootMon\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 | { // BootMon non-volatile storage\r | |
30 | ARM_VE_SMB_NOR0_BASE + SIZE_256KB * 255,\r | |
31 | SIZE_64KB * 4,\r | |
32 | SIZE_64KB,\r | |
33 | {0x02118005, 0x9DA7, 0x443A, 0x92, 0xD5, 0x78, 0x1F, 0x02, 0x2A, 0xED, 0xBB}\r | |
34 | },\r | |
35 | { // UEFI\r | |
36 | ARM_VE_SMB_NOR1_BASE,\r | |
37 | SIZE_256KB * 255,\r | |
38 | SIZE_256KB,\r | |
39 | {0x1F15DA3C, 0x37FF, 0x4070, 0xB4, 0x71, 0xBB, 0x4A, 0xF1, 0x2A, 0x72, 0x4A}\r | |
40 | },\r | |
41 | { // UEFI Variable Services non-volatile storage\r | |
42 | ARM_VE_SMB_NOR1_BASE + SIZE_256KB * 255,\r | |
43 | 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\r | |
44 | SIZE_64KB,\r | |
45 | {0xCC2CBF29, 0x1498, 0x4CDD, 0x81, 0x71, 0xF8, 0xB6, 0xB4, 0x1D, 0x09, 0x09}\r | |
46 | }\r | |
47 | };\r | |
48 | \r | |
49 | EFI_STATUS\r | |
50 | NorFlashPlatformInitialization (\r | |
51 | VOID\r | |
52 | )\r | |
53 | {\r | |
54 | // Everything seems ok so far, so now we need to disable the platform-specific\r | |
55 | // flash write protection for Versatile Express\r | |
56 | if ((MmioRead32 (ARM_VE_SYS_FLASH) & 0x1) == 0) {\r | |
57 | // Writing to NOR FLASH is disabled, so enable it\r | |
58 | MmioWrite32 (ARM_VE_SYS_FLASH,1);\r | |
59 | DEBUG((DEBUG_BLKIO, "NorFlashWriteBlocks: informational - Had to enable HSYS_FLASH flag.\n" ));\r | |
60 | }\r | |
61 | \r | |
62 | return EFI_SUCCESS;\r | |
63 | }\r | |
64 | \r | |
65 | EFI_STATUS\r | |
66 | NorFlashPlatformGetDevices (\r | |
67 | OUT NOR_FLASH_DESCRIPTION **NorFlashDevices,\r | |
68 | OUT UINT32 *Count\r | |
69 | )\r | |
70 | {\r | |
71 | if ((NorFlashDevices == NULL) || (Count == NULL)) {\r | |
72 | return EFI_INVALID_PARAMETER;\r | |
73 | }\r | |
74 | \r | |
75 | *NorFlashDevices = mNorFlashDevices;\r | |
76 | *Count = NOR_FLASH_DEVICE_COUNT;\r | |
77 | \r | |
78 | return EFI_SUCCESS;\r | |
79 | }\r |