diff options
Diffstat (limited to 'EmbeddedPkg/Universal/MmcDxe/MmcDebug.c')
| -rw-r--r-- | EmbeddedPkg/Universal/MmcDxe/MmcDebug.c | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/EmbeddedPkg/Universal/MmcDxe/MmcDebug.c b/EmbeddedPkg/Universal/MmcDxe/MmcDebug.c new file mode 100644 index 0000000000..a5d3b63124 --- /dev/null +++ b/EmbeddedPkg/Universal/MmcDxe/MmcDebug.c @@ -0,0 +1,168 @@ +/** @file
+*
+* Copyright (c) 2011-2013, ARM Limited. All rights reserved.
+*
+* 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 "Mmc.h"
+
+#if !defined(MDEPKG_NDEBUG)
+CONST CHAR8* mStrUnit[] = { "100kbit/s", "1Mbit/s", "10Mbit/s", "100MBit/s",
+ "Unknown", "Unknown", "Unknown", "Unknown" };
+CONST CHAR8* mStrValue[] = { "1.0", "1.2", "1.3", "1.5", "2.0", "2.5", "3.0", "3.5", "4.0", "4.5", "5.0",
+ "Unknown", "Unknown", "Unknown", "Unknown" };
+#endif
+
+VOID
+PrintCID (
+ IN UINT32* Cid
+ )
+{
+ DEBUG ((EFI_D_ERROR, "- PrintCID\n"));
+ DEBUG ((EFI_D_ERROR, "\t- Manufacturing date: %d/%d\n", (Cid[0] >> 8) & 0xF, (Cid[0] >> 12) & 0xFF));
+ DEBUG ((EFI_D_ERROR, "\t- Product serial number: 0x%X%X\n", Cid[1] & 0xFFFFFF, (Cid[0] >> 24) & 0xFF));
+ DEBUG ((EFI_D_ERROR, "\t- Product revision: %d\n", Cid[1] >> 24));
+ //DEBUG ((EFI_D_ERROR, "\t- Product name: %s\n", (char*)(Cid + 2)));
+ DEBUG ((EFI_D_ERROR, "\t- OEM ID: %c%c\n", (Cid[3] >> 8) & 0xFF, (Cid[3] >> 16) & 0xFF));
+}
+
+
+VOID
+PrintCSD (
+ IN UINT32* Csd
+ )
+{
+ UINTN Value;
+
+ if (((Csd[2] >> 30) & 0x3) == 0) {
+ DEBUG ((EFI_D_ERROR, "- PrintCSD Version 1.01-1.10/Version 2.00/Standard Capacity\n"));
+ } else if (((Csd[2] >> 30) & 0x3) == 1) {
+ DEBUG ((EFI_D_ERROR, "- PrintCSD Version 2.00/High Capacity\n"));
+ } else {
+ DEBUG ((EFI_D_ERROR, "- PrintCSD Version Higher than v3.3\n"));
+ }
+
+ DEBUG ((EFI_D_ERROR, "\t- Supported card command class: 0x%X\n", MMC_CSD_GET_CCC (Csd)));
+ DEBUG ((EFI_D_ERROR, "\t- Speed: %a %a\n",mStrValue[(MMC_CSD_GET_TRANSPEED (Csd) >> 3) & 0xF],mStrUnit[MMC_CSD_GET_TRANSPEED (Csd) & 7]));
+ DEBUG ((EFI_D_ERROR, "\t- Maximum Read Data Block: %d\n",2 << (MMC_CSD_GET_READBLLEN (Csd)-1)));
+ DEBUG ((EFI_D_ERROR, "\t- Maximum Write Data Block: %d\n",2 << (MMC_CSD_GET_WRITEBLLEN (Csd)-1)));
+
+ if (!MMC_CSD_GET_FILEFORMATGRP (Csd)) {
+ Value = MMC_CSD_GET_FILEFORMAT (Csd);
+ if (Value == 0) {
+ DEBUG ((EFI_D_ERROR, "\t- Format (0): Hard disk-like file system with partition table\n"));
+ } else if (Value == 1) {
+ DEBUG ((EFI_D_ERROR, "\t- Format (1): DOS FAT (floppy-like) with boot sector only (no partition table)\n"));
+ } else if (Value == 2) {
+ DEBUG ((EFI_D_ERROR, "\t- Format (2): Universal File Format\n"));
+ } else {
+ DEBUG ((EFI_D_ERROR, "\t- Format (3): Others/Unknown\n"));
+ }
+ } else {
+ DEBUG ((EFI_D_ERROR, "\t- Format: Reserved\n"));
+ }
+}
+
+VOID
+PrintRCA (
+ IN UINT32 Rca
+ )
+{
+ DEBUG ((EFI_D_ERROR, "- PrintRCA: 0x%X\n", Rca));
+ DEBUG ((EFI_D_ERROR, "\t- Status: 0x%X\n", Rca & 0xFFFF));
+ DEBUG ((EFI_D_ERROR, "\t- RCA: 0x%X\n", (Rca >> 16) & 0xFFFF));
+}
+
+VOID
+PrintOCR (
+ IN UINT32 Ocr
+ )
+{
+ UINTN MinV;
+ UINTN MaxV;
+ UINTN Volts;
+ UINTN Loop;
+
+ MinV = 36; // 3.6
+ MaxV = 20; // 2.0
+ Volts = 20; // 2.0
+
+ // The MMC register bits [23:8] indicate the working range of the card
+ for (Loop = 8; Loop < 24; Loop++) {
+ if (Ocr & (1 << Loop)) {
+ if (MinV > Volts) {
+ MinV = Volts;
+ }
+ if (MaxV < Volts) {
+ MaxV = Volts + 1;
+ }
+ }
+ Volts++;
+ }
+
+ DEBUG ((EFI_D_ERROR, "- PrintOCR Ocr (0x%X)\n",Ocr));
+ DEBUG ((EFI_D_ERROR, "\t- Card operating voltage: %d.%d to %d.%d\n", MinV/10, MinV % 10, MaxV/10, MaxV % 10));
+ if (((Ocr >> 29) & 3) == 0) {
+ DEBUG ((EFI_D_ERROR, "\t- AccessMode: Byte Mode\n"));
+ } else {
+ DEBUG ((EFI_D_ERROR, "\t- AccessMode: Block Mode (0x%X)\n", ((Ocr >> 29) & 3)));
+ }
+
+ if (Ocr & MMC_OCR_POWERUP) {
+ DEBUG ((EFI_D_ERROR, "\t- PowerUp\n"));
+ } else {
+ DEBUG ((EFI_D_ERROR, "\t- Voltage Not Supported\n"));
+ }
+}
+
+VOID
+PrintResponseR1 (
+ IN UINT32 Response
+ )
+{
+ DEBUG ((EFI_D_INFO, "Response: 0x%X\n", Response));
+ if (Response & MMC_R0_READY_FOR_DATA) {
+ DEBUG ((EFI_D_INFO, "\t- READY_FOR_DATA\n"));
+ }
+
+ switch ((Response >> 9) & 0xF) {
+ case 0:
+ DEBUG ((EFI_D_INFO, "\t- State: Idle\n"));
+ break;
+ case 1:
+ DEBUG ((EFI_D_INFO, "\t- State: Ready\n"));
+ break;
+ case 2:
+ DEBUG ((EFI_D_INFO, "\t- State: Ident\n"));
+ break;
+ case 3:
+ DEBUG ((EFI_D_INFO, "\t- State: StandBy\n"));
+ break;
+ case 4:
+ DEBUG ((EFI_D_INFO, "\t- State: Tran\n"));
+ break;
+ case 5:
+ DEBUG ((EFI_D_INFO, "\t- State: Data\n"));
+ break;
+ case 6:
+ DEBUG ((EFI_D_INFO, "\t- State: Rcv\n"));
+ break;
+ case 7:
+ DEBUG ((EFI_D_INFO, "\t- State: Prg\n"));
+ break;
+ case 8:
+ DEBUG ((EFI_D_INFO, "\t- State: Dis\n"));
+ break;
+ default:
+ DEBUG ((EFI_D_INFO, "\t- State: Reserved\n"));
+ break;
+ }
+}
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