mirror of https://github.com/acidanthera/audk.git
Omap35xxPkg/Library/RealTimeClockLib: Add RTC Support
Omap35xxPkg/MmcHostDxe: Implement MmcHost protocol for Omap35xx BeagleBoardPkg: Use Omap35xx RTC and MmcHost drivers git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12161 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin
parent
ddff87b79e
commit
5ec65e96b2
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@ -58,7 +58,7 @@
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PerformanceLib|MdePkg/Library/BasePerformanceLibNull/BasePerformanceLibNull.inf
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PerformanceLib|MdePkg/Library/BasePerformanceLibNull/BasePerformanceLibNull.inf
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PrintLib|MdePkg/Library/BasePrintLib/BasePrintLib.inf
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PrintLib|MdePkg/Library/BasePrintLib/BasePrintLib.inf
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EblCmdLib|BeagleBoardPkg/Library/EblCmdLib/EblCmdLib.inf
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EblCmdLib|ArmPlatformPkg/Library/EblCmdLib/EblCmdLib.inf
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EfiFileLib|EmbeddedPkg/Library/EfiFileLib/EfiFileLib.inf
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EfiFileLib|EmbeddedPkg/Library/EfiFileLib/EfiFileLib.inf
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@ -83,7 +83,7 @@
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SerialPortLib|Omap35xxPkg/Library/SerialPortLib/SerialPortLib.inf
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SerialPortLib|Omap35xxPkg/Library/SerialPortLib/SerialPortLib.inf
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SemihostLib|ArmPkg/Library/SemihostLib/SemihostLib.inf
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SemihostLib|ArmPkg/Library/SemihostLib/SemihostLib.inf
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RealTimeClockLib|EmbeddedPkg/Library/TemplateRealTimeClockLib/TemplateRealTimeClockLib.inf
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RealTimeClockLib|Omap35xxPkg/Library/RealTimeClockLib/RealTimeClockLib.inf
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IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf
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IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf
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@ -462,10 +462,8 @@
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#
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#
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# MMC/SD
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# MMC/SD
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#
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#
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Omap35xxPkg/MMCHSDxe/MMCHS.inf {
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EmbeddedPkg/Universal/MmcDxe/MmcDxe.inf
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<PcdsFixedAtBuild>
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Omap35xxPkg/MmcHostDxe/MmcHostDxe.inf
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gEfiMdePkgTokenSpaceGuid.PcdDebugPrintErrorLevel|0x800fffff
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}
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#
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#
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# I2C
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# I2C
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@ -123,7 +123,8 @@ READ_LOCK_STATUS = TRUE
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#
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#
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# MMC/SD
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# MMC/SD
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#
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#
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INF Omap35xxPkg/MMCHSDxe/MMCHS.inf
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INF EmbeddedPkg/Universal/MmcDxe/MmcDxe.inf
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INF Omap35xxPkg/MmcHostDxe/MmcHostDxe.inf
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#
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#
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# I2C
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# I2C
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@ -19,14 +19,14 @@
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#define EXTERNAL_DEVICE_REGISTER_TO_REGISTER(x) ((x) & 0xFF)
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#define EXTERNAL_DEVICE_REGISTER_TO_REGISTER(x) ((x) & 0xFF)
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#define EXTERNAL_DEVICE_REGISTER(SlaveAddress, Register) (((SlaveAddress) & 0xFF) << 8 | ((Register) & 0xFF))
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#define EXTERNAL_DEVICE_REGISTER(SlaveAddress, Register) (((SlaveAddress) & 0xFF) << 8 | ((Register) & 0xFF))
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//I2C Address group
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// I2C Address group
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#define I2C_ADDR_GRP_ID1 0x48
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#define I2C_ADDR_GRP_ID1 0x48
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#define I2C_ADDR_GRP_ID2 0x49
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#define I2C_ADDR_GRP_ID2 0x49
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#define I2C_ADDR_GRP_ID3 0x4A
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#define I2C_ADDR_GRP_ID3 0x4A
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#define I2C_ADDR_GRP_ID4 0x4B
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#define I2C_ADDR_GRP_ID4 0x4B
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#define I2C_ADDR_GRP_ID5 0x12
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#define I2C_ADDR_GRP_ID5 0x12
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//MMC definitions.
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// MMC definitions.
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#define VMMC1_DEV_GRP 0x82
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#define VMMC1_DEV_GRP 0x82
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#define DEV_GRP_P1 BIT5
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#define DEV_GRP_P1 BIT5
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@ -43,13 +43,23 @@
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#define GPIODATAIN1 0x98 //I2C_ADDR_GRP_ID2
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#define GPIODATAIN1 0x98 //I2C_ADDR_GRP_ID2
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#define CARD_DETECT_BIT BIT0
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#define CARD_DETECT_BIT BIT0
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//LEDEN register
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// LEDEN register
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#define LEDEN 0xEE
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#define LEDEN 0xEE
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#define LEDAON BIT0
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#define LEDAON BIT0
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#define LEDBON BIT1
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#define LEDBON BIT1
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#define LEDAPWM BIT4
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#define LEDAPWM BIT4
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#define LEDBPWM BIT5
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#define LEDBPWM BIT5
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// RTC registers
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#define SECONDS_REG 0x1C
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#define MINUTES_REG 0x1D
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#define HOURS_REG 0x1E
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#define DAYS_REG 0x1F
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#define MONTHS_REG 0x20
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#define YEARS_REG 0x21
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#define WEEKS_REG 0x22
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#define RTC_CTRL_REG 0x29
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// USB PHY power
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// USB PHY power
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#define VAUX2_DEDICATED 0x79
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#define VAUX2_DEDICATED 0x79
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#define VAUX2_DEV_GRP 0x76
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#define VAUX2_DEV_GRP 0x76
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@ -0,0 +1,297 @@
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/** @file
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*
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* Copyright (c) 2011, ARM Limited. All rights reserved.
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*
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* This program and the accompanying materials
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* are licensed and made available under the terms and conditions of the BSD License
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* which accompanies this distribution. The full text of the license may be found at
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* http://opensource.org/licenses/bsd-license.php
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*
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* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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*
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**/
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#include <Uefi.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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#include <Library/DebugLib.h>
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#include <Library/IoLib.h>
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#include <Protocol/RealTimeClock.h>
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#include <Protocol/EmbeddedExternalDevice.h>
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#include <Omap3530/Omap3530.h>
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#include <TPS65950.h>
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EMBEDDED_EXTERNAL_DEVICE *gTPS65950;
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INT16 TimeZone = EFI_UNSPECIFIED_TIMEZONE;
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/**
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Returns the current time and date information, and the time-keeping capabilities
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of the hardware platform.
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@param Time A pointer to storage to receive a snapshot of the current time.
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@param Capabilities An optional pointer to a buffer to receive the real time clock
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device's capabilities.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_INVALID_PARAMETER Time is NULL.
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@retval EFI_DEVICE_ERROR The time could not be retrieved due to hardware error.
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**/
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EFI_STATUS
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EFIAPI
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LibGetTime (
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OUT EFI_TIME *Time,
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OUT EFI_TIME_CAPABILITIES *Capabilities
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)
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{
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EFI_STATUS Status;
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UINT8 Data;
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EFI_TPL OldTpl;
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if (Time == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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OldTpl = gBS->RaiseTPL(TPL_NOTIFY);
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/* Get time and date */
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ZeroMem(Time, sizeof(EFI_TIME));
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// Latch values
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Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, RTC_CTRL_REG), 1, &Data);
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if (Status != EFI_SUCCESS) goto EXIT;
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Data |= BIT6;
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Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, RTC_CTRL_REG), 1, &Data);
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if (Status != EFI_SUCCESS) goto EXIT;
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// Read registers
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Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, YEARS_REG), 1, &Data);
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if (Status != EFI_SUCCESS) goto EXIT;
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Time->Year = 2000 + ((Data >> 4) & 0xF) * 10 + (Data & 0xF);
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Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, MONTHS_REG), 1, &Data);
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if (Status != EFI_SUCCESS) goto EXIT;
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Time->Month = ((Data >> 4) & 0x1) * 10 + (Data & 0xF);
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Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, DAYS_REG), 1, &Data);
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if (Status != EFI_SUCCESS) goto EXIT;
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Time->Day = ((Data >> 4) & 0x3) * 10 + (Data & 0xF);
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Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, HOURS_REG), 1, &Data);
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if (Status != EFI_SUCCESS) goto EXIT;
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Time->Hour = ((Data >> 4) & 0x3) * 10 + (Data & 0xF);
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Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, MINUTES_REG), 1, &Data);
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if (Status != EFI_SUCCESS) goto EXIT;
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Time->Minute = ((Data >> 4) & 0x7) * 10 + (Data & 0xF);
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Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, SECONDS_REG), 1, &Data);
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if (Status != EFI_SUCCESS) goto EXIT;
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Time->Second = ((Data >> 4) & 0x7) * 10 + (Data & 0xF);
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Time->TimeZone = TimeZone;
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// TODO: check what to use here
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Time->Daylight = EFI_TIME_ADJUST_DAYLIGHT;
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// Set capabilities
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// TODO: Set real capabilities
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if (Capabilities != NULL) {
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Capabilities->Resolution = 1;
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Capabilities->Accuracy = 50000000;
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Capabilities->SetsToZero = FALSE;
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}
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EXIT:
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gBS->RestoreTPL(OldTpl);
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return (Status == EFI_SUCCESS) ? Status : EFI_DEVICE_ERROR;
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}
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/**
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Sets the current local time and date information.
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@param Time A pointer to the current time.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_INVALID_PARAMETER A time field is out of range.
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@retval EFI_DEVICE_ERROR The time could not be set due due to hardware error.
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||||||
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**/
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EFI_STATUS
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EFIAPI
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||||||
|
LibSetTime (
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|
IN EFI_TIME *Time
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||||||
|
)
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|
{
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||||||
|
EFI_STATUS Status;
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||||||
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UINT8 Data;
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UINT8 MonthDayCount[12] = { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
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EFI_TPL OldTpl;
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||||||
|
// Input validation according both to UEFI spec and hardware constraints
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||||||
|
// UEFI spec says valid year range is 1900-9999 but TPS only supports 2000-2099
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||||||
|
if ( (Time == NULL)
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||||||
|
|| (Time->Year < 2000 || Time->Year > 2099)
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|
|| (Time->Month < 1 || Time->Month > 12)
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||||||
|
|| (Time->Day < 1 || Time->Day > MonthDayCount[Time->Month])
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||||||
|
|| (Time->Hour > 23)
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||||||
|
|| (Time->Minute > 59)
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||||||
|
|| (Time->Second > 59)
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||||||
|
|| (Time->Nanosecond > 999999999)
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||||||
|
|| ((Time->TimeZone < -1440 || Time->TimeZone > 1440) && Time->TimeZone != 2047)
|
||||||
|
) {
|
||||||
|
return EFI_INVALID_PARAMETER;
|
||||||
|
}
|
||||||
|
|
||||||
|
OldTpl = gBS->RaiseTPL(TPL_NOTIFY);
|
||||||
|
|
||||||
|
Data = Time->Year - 2000;
|
||||||
|
Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, YEARS_REG), 1, &Data);
|
||||||
|
if (Status != EFI_SUCCESS) goto EXIT;
|
||||||
|
|
||||||
|
Data = ((Time->Month / 10) << 4) | (Time->Month % 10);
|
||||||
|
Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, MONTHS_REG), 1, &Data);
|
||||||
|
if (Status != EFI_SUCCESS) goto EXIT;
|
||||||
|
|
||||||
|
Data = ((Time->Day / 10) << 4) | (Time->Day % 10);
|
||||||
|
Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, DAYS_REG), 1, &Data);
|
||||||
|
if (Status != EFI_SUCCESS) goto EXIT;
|
||||||
|
|
||||||
|
Data = ((Time->Hour / 10) << 4) | (Time->Hour % 10);
|
||||||
|
Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, HOURS_REG), 1, &Data);
|
||||||
|
if (Status != EFI_SUCCESS) goto EXIT;
|
||||||
|
|
||||||
|
Data = ((Time->Minute / 10) << 4) | (Time->Minute % 10);
|
||||||
|
Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, MINUTES_REG), 1, &Data);
|
||||||
|
if (Status != EFI_SUCCESS) goto EXIT;
|
||||||
|
|
||||||
|
Data = ((Time->Second / 10) << 4) | (Time->Second % 10);
|
||||||
|
Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, SECONDS_REG), 1, &Data);
|
||||||
|
if (Status != EFI_SUCCESS) goto EXIT;
|
||||||
|
|
||||||
|
TimeZone = Time->TimeZone;
|
||||||
|
|
||||||
|
EXIT:
|
||||||
|
gBS->RestoreTPL(OldTpl);
|
||||||
|
|
||||||
|
return (Status == EFI_SUCCESS) ? Status : EFI_DEVICE_ERROR;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Returns the current wakeup alarm clock setting.
|
||||||
|
|
||||||
|
@param Enabled Indicates if the alarm is currently enabled or disabled.
|
||||||
|
@param Pending Indicates if the alarm signal is pending and requires acknowledgement.
|
||||||
|
@param Time The current alarm setting.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS The alarm settings were returned.
|
||||||
|
@retval EFI_INVALID_PARAMETER Any parameter is NULL.
|
||||||
|
@retval EFI_DEVICE_ERROR The wakeup time could not be retrieved due to a hardware error.
|
||||||
|
|
||||||
|
**/
|
||||||
|
EFI_STATUS
|
||||||
|
EFIAPI
|
||||||
|
LibGetWakeupTime (
|
||||||
|
OUT BOOLEAN *Enabled,
|
||||||
|
OUT BOOLEAN *Pending,
|
||||||
|
OUT EFI_TIME *Time
|
||||||
|
)
|
||||||
|
{
|
||||||
|
return EFI_UNSUPPORTED;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Sets the system wakeup alarm clock time.
|
||||||
|
|
||||||
|
@param Enabled Enable or disable the wakeup alarm.
|
||||||
|
@param Time If Enable is TRUE, the time to set the wakeup alarm for.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS If Enable is TRUE, then the wakeup alarm was enabled. If
|
||||||
|
Enable is FALSE, then the wakeup alarm was disabled.
|
||||||
|
@retval EFI_INVALID_PARAMETER A time field is out of range.
|
||||||
|
@retval EFI_DEVICE_ERROR The wakeup time could not be set due to a hardware error.
|
||||||
|
@retval EFI_UNSUPPORTED A wakeup timer is not supported on this platform.
|
||||||
|
|
||||||
|
**/
|
||||||
|
EFI_STATUS
|
||||||
|
EFIAPI
|
||||||
|
LibSetWakeupTime (
|
||||||
|
IN BOOLEAN Enabled,
|
||||||
|
OUT EFI_TIME *Time
|
||||||
|
)
|
||||||
|
{
|
||||||
|
return EFI_UNSUPPORTED;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
This is the declaration of an EFI image entry point. This can be the entry point to an application
|
||||||
|
written to this specification, an EFI boot service driver, or an EFI runtime driver.
|
||||||
|
|
||||||
|
@param ImageHandle Handle that identifies the loaded image.
|
||||||
|
@param SystemTable System Table for this image.
|
||||||
|
|
||||||
|
@retval EFI_SUCCESS The operation completed successfully.
|
||||||
|
|
||||||
|
**/
|
||||||
|
EFI_STATUS
|
||||||
|
EFIAPI
|
||||||
|
LibRtcInitialize (
|
||||||
|
IN EFI_HANDLE ImageHandle,
|
||||||
|
IN EFI_SYSTEM_TABLE *SystemTable
|
||||||
|
)
|
||||||
|
{
|
||||||
|
EFI_STATUS Status;
|
||||||
|
EFI_HANDLE Handle;
|
||||||
|
UINT8 Data;
|
||||||
|
EFI_TPL OldTpl;
|
||||||
|
|
||||||
|
Status = gBS->LocateProtocol (&gEmbeddedExternalDeviceProtocolGuid, NULL, (VOID **)&gTPS65950);
|
||||||
|
ASSERT_EFI_ERROR(Status);
|
||||||
|
|
||||||
|
OldTpl = gBS->RaiseTPL(TPL_NOTIFY);
|
||||||
|
Data = 1;
|
||||||
|
Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, RTC_CTRL_REG), 1, &Data);
|
||||||
|
ASSERT_EFI_ERROR(Status);
|
||||||
|
gBS->RestoreTPL(OldTpl);
|
||||||
|
|
||||||
|
// Setup the setters and getters
|
||||||
|
gRT->GetTime = LibGetTime;
|
||||||
|
gRT->SetTime = LibSetTime;
|
||||||
|
gRT->GetWakeupTime = LibGetWakeupTime;
|
||||||
|
gRT->SetWakeupTime = LibSetWakeupTime;
|
||||||
|
|
||||||
|
// Install the protocol
|
||||||
|
Handle = NULL;
|
||||||
|
Status = gBS->InstallMultipleProtocolInterfaces (
|
||||||
|
&Handle,
|
||||||
|
&gEfiRealTimeClockArchProtocolGuid, NULL,
|
||||||
|
NULL
|
||||||
|
);
|
||||||
|
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
Fixup internal data so that EFI can be call in virtual mode.
|
||||||
|
Call the passed in Child Notify event and convert any pointers in
|
||||||
|
lib to virtual mode.
|
||||||
|
|
||||||
|
@param[in] Event The Event that is being processed
|
||||||
|
@param[in] Context Event Context
|
||||||
|
**/
|
||||||
|
VOID
|
||||||
|
EFIAPI
|
||||||
|
LibRtcVirtualNotifyEvent (
|
||||||
|
IN EFI_EVENT Event,
|
||||||
|
IN VOID *Context
|
||||||
|
)
|
||||||
|
{
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,38 @@
|
||||||
|
# Copyright (c) 2011, 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.
|
||||||
|
#
|
||||||
|
|
||||||
|
[Defines]
|
||||||
|
INF_VERSION = 0x00010005
|
||||||
|
BASE_NAME = RealTimeClockLib
|
||||||
|
FILE_GUID = EC1713DB-7DB5-4c99-8FE2-6F52F95A1132
|
||||||
|
MODULE_TYPE = BASE
|
||||||
|
VERSION_STRING = 1.0
|
||||||
|
LIBRARY_CLASS = RealTimeClockLib
|
||||||
|
|
||||||
|
[Sources.common]
|
||||||
|
RealTimeClockLib.c
|
||||||
|
|
||||||
|
[Packages]
|
||||||
|
MdePkg/MdePkg.dec
|
||||||
|
EmbeddedPkg/EmbeddedPkg.dec
|
||||||
|
Omap35xxPkg/Omap35xxPkg.dec
|
||||||
|
|
||||||
|
[LibraryClasses]
|
||||||
|
IoLib
|
||||||
|
UefiLib
|
||||||
|
DebugLib
|
||||||
|
PcdLib
|
||||||
|
|
||||||
|
[Protocols]
|
||||||
|
gEmbeddedExternalDeviceProtocolGuid
|
||||||
|
|
||||||
|
[depex]
|
||||||
|
gEmbeddedExternalDeviceProtocolGuid
|
||||||
|
|
@ -0,0 +1,667 @@
|
||||||
|
/** @file
|
||||||
|
*
|
||||||
|
* Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
|
||||||
|
* Copyright (c) 2011, 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 "MmcHostDxe.h"
|
||||||
|
|
||||||
|
EMBEDDED_EXTERNAL_DEVICE *gTPS65950;
|
||||||
|
UINT8 MaxDataTransferRate = 0;
|
||||||
|
UINT32 Rca = 0;
|
||||||
|
BOOLEAN BitModeSet = FALSE;
|
||||||
|
|
||||||
|
|
||||||
|
typedef struct {
|
||||||
|
VENDOR_DEVICE_PATH Mmc;
|
||||||
|
EFI_DEVICE_PATH End;
|
||||||
|
} MMCHS_DEVICE_PATH;
|
||||||
|
|
||||||
|
MMCHS_DEVICE_PATH gMMCDevicePath = {
|
||||||
|
{
|
||||||
|
HARDWARE_DEVICE_PATH,
|
||||||
|
HW_VENDOR_DP,
|
||||||
|
(UINT8)(sizeof(VENDOR_DEVICE_PATH)),
|
||||||
|
(UINT8)((sizeof(VENDOR_DEVICE_PATH)) >> 8),
|
||||||
|
0xb615f1f5, 0x5088, 0x43cd, 0x80, 0x9c, 0xa1, 0x6e, 0x52, 0x48, 0x7d, 0x00
|
||||||
|
},
|
||||||
|
{
|
||||||
|
END_DEVICE_PATH_TYPE,
|
||||||
|
END_ENTIRE_DEVICE_PATH_SUBTYPE,
|
||||||
|
sizeof (EFI_DEVICE_PATH_PROTOCOL),
|
||||||
|
0
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
BOOLEAN
|
||||||
|
IgnoreCommand (
|
||||||
|
UINT32 Command
|
||||||
|
)
|
||||||
|
{
|
||||||
|
switch(Command) {
|
||||||
|
case MMC_CMD12:
|
||||||
|
return TRUE;
|
||||||
|
case MMC_CMD13:
|
||||||
|
return TRUE;
|
||||||
|
default:
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
UINT32
|
||||||
|
TranslateCommand (
|
||||||
|
UINT32 Command
|
||||||
|
)
|
||||||
|
{
|
||||||
|
UINT32 Translation;
|
||||||
|
|
||||||
|
switch(Command) {
|
||||||
|
case MMC_CMD2:
|
||||||
|
Translation = CMD2;
|
||||||
|
break;
|
||||||
|
case MMC_CMD3:
|
||||||
|
Translation = CMD3;
|
||||||
|
break;
|
||||||
|
/*case MMC_CMD6:
|
||||||
|
Translation = CMD6;
|
||||||
|
break;*/
|
||||||
|
case MMC_CMD7:
|
||||||
|
Translation = CMD7;
|
||||||
|
break;
|
||||||
|
case MMC_CMD8:
|
||||||
|
Translation = CMD8;
|
||||||
|
break;
|
||||||
|
case MMC_CMD9:
|
||||||
|
Translation = CMD9;
|
||||||
|
break;
|
||||||
|
/*case MMC_CMD12:
|
||||||
|
Translation = CMD12;
|
||||||
|
break;
|
||||||
|
case MMC_CMD13:
|
||||||
|
Translation = CMD13;
|
||||||
|
break;*/
|
||||||
|
case MMC_CMD16:
|
||||||
|
Translation = CMD16;
|
||||||
|
break;
|
||||||
|
case MMC_CMD17:
|
||||||
|
Translation = 0x113A0014;//CMD17;
|
||||||
|
break;
|
||||||
|
case MMC_CMD24:
|
||||||
|
Translation = CMD24 | 4;
|
||||||
|
break;
|
||||||
|
case MMC_CMD55:
|
||||||
|
Translation = CMD55;
|
||||||
|
break;
|
||||||
|
case MMC_ACMD41:
|
||||||
|
Translation = ACMD41;
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
Translation = Command;
|
||||||
|
}
|
||||||
|
|
||||||
|
return Translation;
|
||||||
|
}
|
||||||
|
|
||||||
|
VOID
|
||||||
|
CalculateCardCLKD (
|
||||||
|
UINTN *ClockFrequencySelect
|
||||||
|
)
|
||||||
|
{
|
||||||
|
DEBUG((EFI_D_ERROR, "CalculateCardCLKD()\n"));
|
||||||
|
UINTN TransferRateValue = 0;
|
||||||
|
UINTN TimeValue = 0 ;
|
||||||
|
UINTN Frequency = 0;
|
||||||
|
|
||||||
|
// For SD Cards we would need to send CMD6 to set
|
||||||
|
// speeds abouve 25MHz. High Speed mode 50 MHz and up
|
||||||
|
|
||||||
|
//Calculate Transfer rate unit (Bits 2:0 of TRAN_SPEED)
|
||||||
|
switch (MaxDataTransferRate & 0x7) { // 2
|
||||||
|
case 0:
|
||||||
|
TransferRateValue = 100 * 1000;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 1:
|
||||||
|
TransferRateValue = 1 * 1000 * 1000;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 2:
|
||||||
|
TransferRateValue = 10 * 1000 * 1000;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 3:
|
||||||
|
TransferRateValue = 100 * 1000 * 1000;
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
DEBUG((EFI_D_ERROR, "Invalid parameter.\n"));
|
||||||
|
ASSERT(FALSE);
|
||||||
|
}
|
||||||
|
|
||||||
|
//Calculate Time value (Bits 6:3 of TRAN_SPEED)
|
||||||
|
switch ((MaxDataTransferRate >> 3) & 0xF) { // 6
|
||||||
|
case 1:
|
||||||
|
TimeValue = 10;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 2:
|
||||||
|
TimeValue = 12;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 3:
|
||||||
|
TimeValue = 13;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 4:
|
||||||
|
TimeValue = 15;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 5:
|
||||||
|
TimeValue = 20;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 6:
|
||||||
|
TimeValue = 25;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 7:
|
||||||
|
TimeValue = 30;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 8:
|
||||||
|
TimeValue = 35;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 9:
|
||||||
|
TimeValue = 40;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 10:
|
||||||
|
TimeValue = 45;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 11:
|
||||||
|
TimeValue = 50;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 12:
|
||||||
|
TimeValue = 55;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 13:
|
||||||
|
TimeValue = 60;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 14:
|
||||||
|
TimeValue = 70;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case 15:
|
||||||
|
TimeValue = 80;
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
DEBUG((EFI_D_ERROR, "Invalid parameter.\n"));
|
||||||
|
ASSERT(FALSE);
|
||||||
|
}
|
||||||
|
|
||||||
|
Frequency = TransferRateValue * TimeValue/10;
|
||||||
|
|
||||||
|
//Calculate Clock divider value to program in MMCHS_SYSCTL[CLKD] field.
|
||||||
|
*ClockFrequencySelect = ((MMC_REFERENCE_CLK/Frequency) + 1);
|
||||||
|
|
||||||
|
DEBUG ((EFI_D_INFO, "MaxDataTransferRate: 0x%x, Frequency: %d KHz, ClockFrequencySelect: %x\n", MaxDataTransferRate, Frequency/1000, *ClockFrequencySelect));
|
||||||
|
}
|
||||||
|
|
||||||
|
VOID
|
||||||
|
UpdateMMCHSClkFrequency (
|
||||||
|
UINTN NewCLKD
|
||||||
|
)
|
||||||
|
{
|
||||||
|
DEBUG((EFI_D_ERROR, "UpdateMMCHSClkFrequency()\n"));
|
||||||
|
//Set Clock enable to 0x0 to not provide the clock to the card
|
||||||
|
MmioAnd32 (MMCHS_SYSCTL, ~CEN);
|
||||||
|
|
||||||
|
//Set new clock frequency.
|
||||||
|
MmioAndThenOr32 (MMCHS_SYSCTL, ~CLKD_MASK, NewCLKD << 6);
|
||||||
|
|
||||||
|
//Poll till Internal Clock Stable
|
||||||
|
while ((MmioRead32 (MMCHS_SYSCTL) & ICS_MASK) != ICS);
|
||||||
|
|
||||||
|
//Set Clock enable to 0x1 to provide the clock to the card
|
||||||
|
MmioOr32 (MMCHS_SYSCTL, CEN);
|
||||||
|
}
|
||||||
|
|
||||||
|
EFI_STATUS
|
||||||
|
InitializeMMCHS (
|
||||||
|
VOID
|
||||||
|
)
|
||||||
|
{
|
||||||
|
DEBUG((EFI_D_ERROR, "InitializeMMCHS()\n"));
|
||||||
|
UINT8 Data = 0;
|
||||||
|
EFI_STATUS Status;
|
||||||
|
|
||||||
|
//Select Device group to belong to P1 device group in Power IC.
|
||||||
|
Data = DEV_GRP_P1;
|
||||||
|
Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, VMMC1_DEV_GRP), 1, &Data);
|
||||||
|
ASSERT_EFI_ERROR(Status);
|
||||||
|
|
||||||
|
//Configure voltage regulator for MMC1 in Power IC to output 3.0 voltage.
|
||||||
|
Data = VSEL_3_00V;
|
||||||
|
Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, VMMC1_DEDICATED_REG), 1, &Data);
|
||||||
|
ASSERT_EFI_ERROR(Status);
|
||||||
|
|
||||||
|
//After ramping up voltage, set VDDS stable bit to indicate that voltage level is stable.
|
||||||
|
MmioOr32 (CONTROL_PBIAS_LITE, (PBIASLITEVMODE0 | PBIASLITEPWRDNZ0 | PBIASSPEEDCTRL0 | PBIASLITEVMODE1 | PBIASLITEWRDNZ1));
|
||||||
|
|
||||||
|
// Enable WP GPIO
|
||||||
|
MmioAndThenOr32 (GPIO1_BASE + GPIO_OE, ~BIT23, BIT23);
|
||||||
|
|
||||||
|
// Enable Card Detect
|
||||||
|
Data = CARD_DETECT_ENABLE;
|
||||||
|
gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID2, TPS65950_GPIO_CTRL), 1, &Data);
|
||||||
|
|
||||||
|
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
BOOLEAN
|
||||||
|
MMCIsCardPresent (
|
||||||
|
VOID
|
||||||
|
)
|
||||||
|
{
|
||||||
|
//DEBUG((EFI_D_ERROR, "MMCIsCardPresent()\n"));
|
||||||
|
EFI_STATUS Status;
|
||||||
|
UINT8 Data;
|
||||||
|
|
||||||
|
//
|
||||||
|
// Card detect is a GPIO0 on the TPS65950
|
||||||
|
//
|
||||||
|
Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID2, GPIODATAIN1), 1, &Data);
|
||||||
|
if (EFI_ERROR (Status)) {
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
|
||||||
|
return !(Data & CARD_DETECT_BIT);
|
||||||
|
}
|
||||||
|
|
||||||
|
BOOLEAN
|
||||||
|
MMCIsReadOnly (
|
||||||
|
VOID
|
||||||
|
)
|
||||||
|
{
|
||||||
|
/* Note:
|
||||||
|
* On our BeagleBoard the SD card WP pin is always read as TRUE.
|
||||||
|
* Probably something wrong with GPIO configuration.
|
||||||
|
* BeagleBoard-xM uses microSD cards so there is no write protect at all.
|
||||||
|
* Hence commenting out SD card WP pin read status.
|
||||||
|
*/
|
||||||
|
//return (MmioRead32 (GPIO1_BASE + GPIO_DATAIN) & BIT23) == BIT23;
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
// TODO
|
||||||
|
EFI_GUID mPL180MciDevicePathGuid = EFI_CALLER_ID_GUID;
|
||||||
|
|
||||||
|
EFI_STATUS
|
||||||
|
MMCBuildDevicePath (
|
||||||
|
IN EFI_DEVICE_PATH_PROTOCOL **DevicePath
|
||||||
|
)
|
||||||
|
{
|
||||||
|
EFI_DEVICE_PATH_PROTOCOL *NewDevicePathNode;
|
||||||
|
|
||||||
|
NewDevicePathNode = CreateDeviceNode(HARDWARE_DEVICE_PATH,HW_VENDOR_DP,sizeof(VENDOR_DEVICE_PATH));
|
||||||
|
CopyGuid(&((VENDOR_DEVICE_PATH*)NewDevicePathNode)->Guid,&mPL180MciDevicePathGuid);
|
||||||
|
*DevicePath = NewDevicePathNode;
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
EFI_STATUS
|
||||||
|
MMCSendCommand (
|
||||||
|
IN MMC_CMD MmcCmd,
|
||||||
|
IN UINT32 Argument
|
||||||
|
)
|
||||||
|
{
|
||||||
|
if (IgnoreCommand(MmcCmd))
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
|
||||||
|
MmcCmd = TranslateCommand(MmcCmd);
|
||||||
|
|
||||||
|
//DEBUG((EFI_D_ERROR, "MMCSendCommand(%d)\n", MmcCmd));
|
||||||
|
UINTN MmcStatus;
|
||||||
|
UINTN RetryCount = 0;
|
||||||
|
|
||||||
|
//Check if command line is in use or not. Poll till command line is available.
|
||||||
|
while ((MmioRead32 (MMCHS_PSTATE) & DATI_MASK) == DATI_NOT_ALLOWED);
|
||||||
|
|
||||||
|
//Provide the block size.
|
||||||
|
MmioWrite32 (MMCHS_BLK, BLEN_512BYTES);
|
||||||
|
|
||||||
|
//Setting Data timeout counter value to max value.
|
||||||
|
MmioAndThenOr32 (MMCHS_SYSCTL, ~DTO_MASK, DTO_VAL);
|
||||||
|
|
||||||
|
//Clear Status register.
|
||||||
|
MmioWrite32 (MMCHS_STAT, 0xFFFFFFFF);
|
||||||
|
|
||||||
|
//Set command argument register
|
||||||
|
MmioWrite32 (MMCHS_ARG, Argument);
|
||||||
|
|
||||||
|
//TODO: fix this
|
||||||
|
//Enable interrupt enable events to occur
|
||||||
|
//MmioWrite32 (MMCHS_IE, CmdInterruptEnableVal);
|
||||||
|
|
||||||
|
//Send a command
|
||||||
|
MmioWrite32 (MMCHS_CMD, MmcCmd);
|
||||||
|
|
||||||
|
//Check for the command status.
|
||||||
|
while (RetryCount < MAX_RETRY_COUNT) {
|
||||||
|
do {
|
||||||
|
MmcStatus = MmioRead32 (MMCHS_STAT);
|
||||||
|
} while (MmcStatus == 0);
|
||||||
|
|
||||||
|
//Read status of command response
|
||||||
|
if ((MmcStatus & ERRI) != 0) {
|
||||||
|
|
||||||
|
//Perform soft-reset for mmci_cmd line.
|
||||||
|
MmioOr32 (MMCHS_SYSCTL, SRC);
|
||||||
|
while ((MmioRead32 (MMCHS_SYSCTL) & SRC));
|
||||||
|
|
||||||
|
//DEBUG ((EFI_D_INFO, "MmcStatus: 0x%x\n", MmcStatus));
|
||||||
|
return EFI_DEVICE_ERROR;
|
||||||
|
}
|
||||||
|
|
||||||
|
//Check if command is completed.
|
||||||
|
if ((MmcStatus & CC) == CC) {
|
||||||
|
MmioWrite32 (MMCHS_STAT, CC);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
RetryCount++;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (RetryCount == MAX_RETRY_COUNT) {
|
||||||
|
DEBUG((EFI_D_ERROR, "MMCSendCommand: Timeout\n"));
|
||||||
|
return EFI_TIMEOUT;
|
||||||
|
}
|
||||||
|
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
EFI_STATUS
|
||||||
|
MMCNotifyState (
|
||||||
|
IN MMC_STATE State
|
||||||
|
)
|
||||||
|
{
|
||||||
|
EFI_STATUS Status;
|
||||||
|
UINTN freqSel;
|
||||||
|
switch(State) {
|
||||||
|
case MmcInvalidState:
|
||||||
|
ASSERT(0);
|
||||||
|
break;
|
||||||
|
case MmcHwInitializationState:
|
||||||
|
BitModeSet = FALSE;
|
||||||
|
|
||||||
|
DEBUG((EFI_D_ERROR, "MMCHwInitializationState()\n"));
|
||||||
|
Status = InitializeMMCHS ();
|
||||||
|
if (EFI_ERROR(Status)) {
|
||||||
|
DEBUG ((EFI_D_ERROR, "Initialize MMC host controller fails. Status: %x\n", Status));
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
//Software reset of the MMCHS host controller.
|
||||||
|
MmioWrite32 (MMCHS_SYSCONFIG, SOFTRESET);
|
||||||
|
gBS->Stall(1000);
|
||||||
|
while ((MmioRead32 (MMCHS_SYSSTATUS) & RESETDONE_MASK) != RESETDONE);
|
||||||
|
|
||||||
|
//Soft reset for all.
|
||||||
|
MmioWrite32 (MMCHS_SYSCTL, SRA);
|
||||||
|
gBS->Stall(1000);
|
||||||
|
while ((MmioRead32 (MMCHS_SYSCTL) & SRA) != 0x0);
|
||||||
|
|
||||||
|
//Voltage capabilities initialization. Activate VS18 and VS30.
|
||||||
|
MmioOr32 (MMCHS_CAPA, (VS30 | VS18));
|
||||||
|
|
||||||
|
//Wakeup configuration
|
||||||
|
MmioOr32 (MMCHS_SYSCONFIG, ENAWAKEUP);
|
||||||
|
MmioOr32 (MMCHS_HCTL, IWE);
|
||||||
|
|
||||||
|
//MMCHS Controller default initialization
|
||||||
|
MmioOr32 (MMCHS_CON, (OD | DW8_1_4_BIT | CEATA_OFF));
|
||||||
|
|
||||||
|
MmioWrite32 (MMCHS_HCTL, (SDVS_3_0_V | DTW_1_BIT | SDBP_OFF));
|
||||||
|
|
||||||
|
//Enable internal clock
|
||||||
|
MmioOr32 (MMCHS_SYSCTL, ICE);
|
||||||
|
|
||||||
|
//Set the clock frequency to 80KHz.
|
||||||
|
UpdateMMCHSClkFrequency (CLKD_80KHZ);
|
||||||
|
|
||||||
|
//Enable SD bus power.
|
||||||
|
MmioOr32 (MMCHS_HCTL, (SDBP_ON));
|
||||||
|
|
||||||
|
//Poll till SD bus power bit is set.
|
||||||
|
while ((MmioRead32 (MMCHS_HCTL) & SDBP_MASK) != SDBP_ON);
|
||||||
|
|
||||||
|
//Enable interrupts.
|
||||||
|
MmioWrite32 (MMCHS_IE, (BADA_EN | CERR_EN | DEB_EN | DCRC_EN | DTO_EN | CIE_EN |
|
||||||
|
CEB_EN | CCRC_EN | CTO_EN | BRR_EN | BWR_EN | TC_EN | CC_EN));
|
||||||
|
|
||||||
|
//Controller INIT procedure start.
|
||||||
|
MmioOr32 (MMCHS_CON, INIT);
|
||||||
|
MmioWrite32 (MMCHS_CMD, 0x00000000);
|
||||||
|
while (!(MmioRead32 (MMCHS_STAT) & CC));
|
||||||
|
|
||||||
|
//Wait for 1 ms
|
||||||
|
gBS->Stall(1000);
|
||||||
|
|
||||||
|
//Set CC bit to 0x1 to clear the flag
|
||||||
|
MmioOr32 (MMCHS_STAT, CC);
|
||||||
|
|
||||||
|
//Retry INIT procedure.
|
||||||
|
MmioWrite32 (MMCHS_CMD, 0x00000000);
|
||||||
|
while (!(MmioRead32 (MMCHS_STAT) & CC));
|
||||||
|
|
||||||
|
//End initialization sequence
|
||||||
|
MmioAnd32 (MMCHS_CON, ~INIT);
|
||||||
|
|
||||||
|
MmioOr32 (MMCHS_HCTL, (SDVS_3_0_V | DTW_1_BIT | SDBP_ON));
|
||||||
|
|
||||||
|
//Change clock frequency to 400KHz to fit protocol
|
||||||
|
UpdateMMCHSClkFrequency(CLKD_400KHZ);
|
||||||
|
|
||||||
|
MmioOr32 (MMCHS_CON, OD);
|
||||||
|
break;
|
||||||
|
case MmcIdleState:
|
||||||
|
break;
|
||||||
|
case MmcReadyState:
|
||||||
|
break;
|
||||||
|
case MmcIdentificationState:
|
||||||
|
break;
|
||||||
|
case MmcStandByState:
|
||||||
|
CalculateCardCLKD(&freqSel);
|
||||||
|
UpdateMMCHSClkFrequency(freqSel);
|
||||||
|
break;
|
||||||
|
case MmcTransferState:
|
||||||
|
if (!BitModeSet) {
|
||||||
|
Status = MMCSendCommand (CMD55, Rca << 16);
|
||||||
|
if (!EFI_ERROR (Status)) {
|
||||||
|
// set device into 4-bit data bus mode
|
||||||
|
Status = MMCSendCommand (ACMD6, 0x2);
|
||||||
|
if (!EFI_ERROR (Status)) {
|
||||||
|
// Set host controler into 4-bit mode
|
||||||
|
MmioOr32 (MMCHS_HCTL, DTW_4_BIT);
|
||||||
|
DEBUG ((EFI_D_INFO, "SD Memory Card set to 4-bit mode\n"));
|
||||||
|
BitModeSet = TRUE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
case MmcSendingDataState:
|
||||||
|
break;
|
||||||
|
case MmcReceiveDataState:
|
||||||
|
break;
|
||||||
|
case MmcProgrammingState:
|
||||||
|
break;
|
||||||
|
case MmcDisconnectState:
|
||||||
|
default:
|
||||||
|
ASSERT(0);
|
||||||
|
}
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
EFI_STATUS
|
||||||
|
MMCReceiveResponse (
|
||||||
|
IN MMC_RESPONSE_TYPE Type,
|
||||||
|
IN UINT32* Buffer
|
||||||
|
)
|
||||||
|
{
|
||||||
|
//DEBUG((EFI_D_ERROR, "MMCReceiveResponse()\n"));
|
||||||
|
if (Buffer == NULL) {
|
||||||
|
DEBUG((EFI_D_ERROR, "Buffer was NULL\n"));
|
||||||
|
return EFI_INVALID_PARAMETER;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (Type == MMC_RESPONSE_TYPE_R2) {
|
||||||
|
Buffer[0] = MmioRead32 (MMCHS_RSP10);
|
||||||
|
Buffer[1] = MmioRead32 (MMCHS_RSP32);
|
||||||
|
Buffer[2] = MmioRead32 (MMCHS_RSP54);
|
||||||
|
Buffer[3] = MmioRead32 (MMCHS_RSP76);
|
||||||
|
} else {
|
||||||
|
Buffer[0] = MmioRead32 (MMCHS_RSP10);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (Type == MMC_RESPONSE_TYPE_CSD) {
|
||||||
|
MaxDataTransferRate = Buffer[3] & 0xFF;
|
||||||
|
} else if (Type == MMC_RESPONSE_TYPE_RCA) {
|
||||||
|
Rca = Buffer[0] >> 16;
|
||||||
|
}
|
||||||
|
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
EFI_STATUS
|
||||||
|
MMCReadBlockData (
|
||||||
|
IN EFI_LBA Lba,
|
||||||
|
IN UINTN Length,
|
||||||
|
IN UINT32* Buffer
|
||||||
|
)
|
||||||
|
{
|
||||||
|
//DEBUG((EFI_D_ERROR, "MMCReadBlockData(LBA: 0x%x, ", Lba));
|
||||||
|
//DEBUG((EFI_D_ERROR, "Length: 0x%x, ", Length));
|
||||||
|
//DEBUG((EFI_D_ERROR, "Buffer: 0x%x)\n", Buffer));
|
||||||
|
UINTN MmcStatus;
|
||||||
|
UINTN Count;
|
||||||
|
UINTN RetryCount = 0;
|
||||||
|
|
||||||
|
//Check controller status to make sure there is no error.
|
||||||
|
while (RetryCount < MAX_RETRY_COUNT) {
|
||||||
|
do {
|
||||||
|
//Read Status.
|
||||||
|
MmcStatus = MmioRead32 (MMCHS_STAT);
|
||||||
|
} while(MmcStatus == 0);
|
||||||
|
|
||||||
|
//Check if Buffer read ready (BRR) bit is set?
|
||||||
|
if (MmcStatus & BRR) {
|
||||||
|
|
||||||
|
//Clear BRR bit
|
||||||
|
MmioOr32 (MMCHS_STAT, BRR);
|
||||||
|
|
||||||
|
for (Count = 0; Count < Length / 4; Count++) {
|
||||||
|
*Buffer++ = MmioRead32(MMCHS_DATA);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
RetryCount++;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (RetryCount == MAX_RETRY_COUNT) {
|
||||||
|
return EFI_TIMEOUT;
|
||||||
|
}
|
||||||
|
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
EFI_STATUS
|
||||||
|
MMCWriteBlockData (
|
||||||
|
IN EFI_LBA Lba,
|
||||||
|
IN UINTN Length,
|
||||||
|
IN UINT32* Buffer
|
||||||
|
)
|
||||||
|
{
|
||||||
|
UINTN MmcStatus;
|
||||||
|
UINTN Count;
|
||||||
|
UINTN RetryCount = 0;
|
||||||
|
|
||||||
|
//Check controller status to make sure there is no error.
|
||||||
|
while (RetryCount < MAX_RETRY_COUNT) {
|
||||||
|
do {
|
||||||
|
//Read Status.
|
||||||
|
MmcStatus = MmioRead32 (MMCHS_STAT);
|
||||||
|
} while(MmcStatus == 0);
|
||||||
|
|
||||||
|
//Check if Buffer write ready (BWR) bit is set?
|
||||||
|
if (MmcStatus & BWR) {
|
||||||
|
|
||||||
|
//Clear BWR bit
|
||||||
|
MmioOr32 (MMCHS_STAT, BWR);
|
||||||
|
|
||||||
|
//Write block worth of data.
|
||||||
|
for (Count = 0; Count < Length / 4; Count++) {
|
||||||
|
MmioWrite32 (MMCHS_DATA, *Buffer++);
|
||||||
|
}
|
||||||
|
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
RetryCount++;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (RetryCount == MAX_RETRY_COUNT) {
|
||||||
|
return EFI_TIMEOUT;
|
||||||
|
}
|
||||||
|
|
||||||
|
return EFI_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
EFI_MMC_HOST_PROTOCOL gMMCHost = {
|
||||||
|
MMCIsCardPresent,
|
||||||
|
MMCIsReadOnly,
|
||||||
|
MMCBuildDevicePath,
|
||||||
|
MMCNotifyState,
|
||||||
|
MMCSendCommand,
|
||||||
|
MMCReceiveResponse,
|
||||||
|
MMCReadBlockData,
|
||||||
|
MMCWriteBlockData
|
||||||
|
};
|
||||||
|
|
||||||
|
EFI_STATUS
|
||||||
|
MMCInitialize (
|
||||||
|
IN EFI_HANDLE ImageHandle,
|
||||||
|
IN EFI_SYSTEM_TABLE *SystemTable
|
||||||
|
)
|
||||||
|
{
|
||||||
|
DEBUG((EFI_D_ERROR, "MMCInitialize()\n"));
|
||||||
|
EFI_STATUS Status;
|
||||||
|
EFI_HANDLE Handle = NULL;
|
||||||
|
|
||||||
|
Status = gBS->LocateProtocol (&gEmbeddedExternalDeviceProtocolGuid, NULL, (VOID **)&gTPS65950);
|
||||||
|
ASSERT_EFI_ERROR(Status);
|
||||||
|
|
||||||
|
Status = gBS->InstallMultipleProtocolInterfaces (
|
||||||
|
&Handle,
|
||||||
|
&gEfiMmcHostProtocolGuid, &gMMCHost,
|
||||||
|
NULL
|
||||||
|
);
|
||||||
|
ASSERT_EFI_ERROR (Status);
|
||||||
|
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,44 @@
|
||||||
|
/** @file
|
||||||
|
*
|
||||||
|
* Copyright (c) 2011, 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.
|
||||||
|
*
|
||||||
|
**/
|
||||||
|
|
||||||
|
#ifndef _MMC_HOST_DXE_H_
|
||||||
|
#define _MMC_HOST_DXE_H_
|
||||||
|
|
||||||
|
#include <Uefi.h>
|
||||||
|
|
||||||
|
#include <Library/BaseLib.h>
|
||||||
|
#include <Library/MemoryAllocationLib.h>
|
||||||
|
#include <Library/DebugLib.h>
|
||||||
|
#include <Library/DevicePathLib.h>
|
||||||
|
#include <Library/IoLib.h>
|
||||||
|
#include <Library/PcdLib.h>
|
||||||
|
#include <Library/UefiBootServicesTableLib.h>
|
||||||
|
#include <Library/BaseMemoryLib.h>
|
||||||
|
#include <Library/OmapLib.h>
|
||||||
|
#include <Library/OmapDmaLib.h>
|
||||||
|
#include <Library/DmaLib.h>
|
||||||
|
|
||||||
|
#include <Protocol/EmbeddedExternalDevice.h>
|
||||||
|
#include <Protocol/BlockIo.h>
|
||||||
|
#include <Protocol/DevicePath.h>
|
||||||
|
#include <Protocol/MmcHost.h>
|
||||||
|
|
||||||
|
#include <Omap3530/Omap3530.h>
|
||||||
|
#include <TPS65950.h>
|
||||||
|
|
||||||
|
#define MAX_RETRY_COUNT (100*5)
|
||||||
|
|
||||||
|
extern EFI_BLOCK_IO_PROTOCOL gBlockIo;
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
@ -0,0 +1,53 @@
|
||||||
|
# Copyright (c) 2011, 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.
|
||||||
|
#
|
||||||
|
|
||||||
|
[Defines]
|
||||||
|
INF_VERSION = 0x00010005
|
||||||
|
BASE_NAME = MMC
|
||||||
|
FILE_GUID = 100c2cfa-b586-4198-9b4c-1683d195b1da
|
||||||
|
MODULE_TYPE = DXE_DRIVER
|
||||||
|
VERSION_STRING = 1.0
|
||||||
|
|
||||||
|
ENTRY_POINT = MMCInitialize
|
||||||
|
|
||||||
|
|
||||||
|
[Sources.common]
|
||||||
|
MmcHostDxe.c
|
||||||
|
|
||||||
|
[Packages]
|
||||||
|
MdePkg/MdePkg.dec
|
||||||
|
EmbeddedPkg/EmbeddedPkg.dec
|
||||||
|
Omap35xxPkg/Omap35xxPkg.dec
|
||||||
|
|
||||||
|
[LibraryClasses]
|
||||||
|
PcdLib
|
||||||
|
UefiLib
|
||||||
|
UefiDriverEntryPoint
|
||||||
|
MemoryAllocationLib
|
||||||
|
IoLib
|
||||||
|
OmapDmaLib
|
||||||
|
DmaLib
|
||||||
|
|
||||||
|
[Guids]
|
||||||
|
|
||||||
|
[Protocols]
|
||||||
|
gEfiBlockIoProtocolGuid
|
||||||
|
gEfiCpuArchProtocolGuid
|
||||||
|
gEfiDevicePathProtocolGuid
|
||||||
|
gEmbeddedExternalDeviceProtocolGuid
|
||||||
|
gEfiMmcHostProtocolGuid
|
||||||
|
|
||||||
|
[Pcd]
|
||||||
|
gOmap35xxTokenSpaceGuid.PcdOmap35xxMMCHS1Base
|
||||||
|
gOmap35xxTokenSpaceGuid.PcdMmchsTimerFreq100NanoSeconds
|
||||||
|
|
||||||
|
[depex]
|
||||||
|
gEmbeddedExternalDeviceProtocolGuid
|
||||||
Loading…
Reference in New Issue