PerformanceLib|MdePkg/Library/BasePerformanceLibNull/BasePerformanceLibNull.inf
PrintLib|MdePkg/Library/BasePrintLib/BasePrintLib.inf
- EblCmdLib|BeagleBoardPkg/Library/EblCmdLib/EblCmdLib.inf
+ EblCmdLib|ArmPlatformPkg/Library/EblCmdLib/EblCmdLib.inf
EfiFileLib|EmbeddedPkg/Library/EfiFileLib/EfiFileLib.inf
SerialPortLib|Omap35xxPkg/Library/SerialPortLib/SerialPortLib.inf
SemihostLib|ArmPkg/Library/SemihostLib/SemihostLib.inf
- RealTimeClockLib|EmbeddedPkg/Library/TemplateRealTimeClockLib/TemplateRealTimeClockLib.inf
+ RealTimeClockLib|Omap35xxPkg/Library/RealTimeClockLib/RealTimeClockLib.inf
IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf
#
# MMC/SD
#
- Omap35xxPkg/MMCHSDxe/MMCHS.inf {
- <PcdsFixedAtBuild>
- gEfiMdePkgTokenSpaceGuid.PcdDebugPrintErrorLevel|0x800fffff
- }
+ EmbeddedPkg/Universal/MmcDxe/MmcDxe.inf
+ Omap35xxPkg/MmcHostDxe/MmcHostDxe.inf
#
# I2C
#
# MMC/SD
#
- INF Omap35xxPkg/MMCHSDxe/MMCHS.inf
+ INF EmbeddedPkg/Universal/MmcDxe/MmcDxe.inf
+ INF Omap35xxPkg/MmcHostDxe/MmcHostDxe.inf
#
# I2C
#define EXTERNAL_DEVICE_REGISTER_TO_REGISTER(x) ((x) & 0xFF)
#define EXTERNAL_DEVICE_REGISTER(SlaveAddress, Register) (((SlaveAddress) & 0xFF) << 8 | ((Register) & 0xFF))
-//I2C Address group
+// I2C Address group
#define I2C_ADDR_GRP_ID1 0x48
#define I2C_ADDR_GRP_ID2 0x49
#define I2C_ADDR_GRP_ID3 0x4A
#define I2C_ADDR_GRP_ID4 0x4B
#define I2C_ADDR_GRP_ID5 0x12
-//MMC definitions.
+// MMC definitions.
#define VMMC1_DEV_GRP 0x82
#define DEV_GRP_P1 BIT5
#define GPIODATAIN1 0x98 //I2C_ADDR_GRP_ID2
#define CARD_DETECT_BIT BIT0
-//LEDEN register
+// LEDEN register
#define LEDEN 0xEE
#define LEDAON BIT0
#define LEDBON BIT1
#define LEDAPWM BIT4
#define LEDBPWM BIT5
+// RTC registers
+#define SECONDS_REG 0x1C
+#define MINUTES_REG 0x1D
+#define HOURS_REG 0x1E
+#define DAYS_REG 0x1F
+#define MONTHS_REG 0x20
+#define YEARS_REG 0x21
+#define WEEKS_REG 0x22
+#define RTC_CTRL_REG 0x29
+
// USB PHY power
#define VAUX2_DEDICATED 0x79
#define VAUX2_DEV_GRP 0x76
--- /dev/null
+/** @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.
+*
+**/
+
+#include <Uefi.h>
+
+#include <Library/BaseMemoryLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/DebugLib.h>
+#include <Library/IoLib.h>
+
+#include <Protocol/RealTimeClock.h>
+#include <Protocol/EmbeddedExternalDevice.h>
+
+#include <Omap3530/Omap3530.h>
+#include <TPS65950.h>
+
+
+EMBEDDED_EXTERNAL_DEVICE *gTPS65950;
+INT16 TimeZone = EFI_UNSPECIFIED_TIMEZONE;
+
+/**
+ Returns the current time and date information, and the time-keeping capabilities
+ of the hardware platform.
+
+ @param Time A pointer to storage to receive a snapshot of the current time.
+ @param Capabilities An optional pointer to a buffer to receive the real time clock
+ device's capabilities.
+
+ @retval EFI_SUCCESS The operation completed successfully.
+ @retval EFI_INVALID_PARAMETER Time is NULL.
+ @retval EFI_DEVICE_ERROR The time could not be retrieved due to hardware error.
+
+**/
+EFI_STATUS
+EFIAPI
+LibGetTime (
+ OUT EFI_TIME *Time,
+ OUT EFI_TIME_CAPABILITIES *Capabilities
+ )
+{
+ EFI_STATUS Status;
+ UINT8 Data;
+ EFI_TPL OldTpl;
+
+ if (Time == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ OldTpl = gBS->RaiseTPL(TPL_NOTIFY);
+
+ /* Get time and date */
+ ZeroMem(Time, sizeof(EFI_TIME));
+
+ // Latch values
+ Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, RTC_CTRL_REG), 1, &Data);
+ if (Status != EFI_SUCCESS) goto EXIT;
+ Data |= BIT6;
+ Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, RTC_CTRL_REG), 1, &Data);
+ if (Status != EFI_SUCCESS) goto EXIT;
+
+ // Read registers
+ Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, YEARS_REG), 1, &Data);
+ if (Status != EFI_SUCCESS) goto EXIT;
+ Time->Year = 2000 + ((Data >> 4) & 0xF) * 10 + (Data & 0xF);
+
+ Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, MONTHS_REG), 1, &Data);
+ if (Status != EFI_SUCCESS) goto EXIT;
+ Time->Month = ((Data >> 4) & 0x1) * 10 + (Data & 0xF);
+
+ Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, DAYS_REG), 1, &Data);
+ if (Status != EFI_SUCCESS) goto EXIT;
+ Time->Day = ((Data >> 4) & 0x3) * 10 + (Data & 0xF);
+
+ Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, HOURS_REG), 1, &Data);
+ if (Status != EFI_SUCCESS) goto EXIT;
+ Time->Hour = ((Data >> 4) & 0x3) * 10 + (Data & 0xF);
+
+ Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, MINUTES_REG), 1, &Data);
+ if (Status != EFI_SUCCESS) goto EXIT;
+ Time->Minute = ((Data >> 4) & 0x7) * 10 + (Data & 0xF);
+
+ Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, SECONDS_REG), 1, &Data);
+ if (Status != EFI_SUCCESS) goto EXIT;
+ Time->Second = ((Data >> 4) & 0x7) * 10 + (Data & 0xF);
+
+ Time->TimeZone = TimeZone;
+ // TODO: check what to use here
+ Time->Daylight = EFI_TIME_ADJUST_DAYLIGHT;
+
+ // Set capabilities
+
+ // TODO: Set real capabilities
+ if (Capabilities != NULL) {
+ Capabilities->Resolution = 1;
+ Capabilities->Accuracy = 50000000;
+ Capabilities->SetsToZero = FALSE;
+ }
+
+EXIT:
+ gBS->RestoreTPL(OldTpl);
+
+ return (Status == EFI_SUCCESS) ? Status : EFI_DEVICE_ERROR;
+}
+
+/**
+ Sets the current local time and date information.
+
+ @param Time A pointer to the current time.
+
+ @retval EFI_SUCCESS The operation completed successfully.
+ @retval EFI_INVALID_PARAMETER A time field is out of range.
+ @retval EFI_DEVICE_ERROR The time could not be set due due to hardware error.
+
+**/
+EFI_STATUS
+EFIAPI
+LibSetTime (
+ IN EFI_TIME *Time
+ )
+{
+ EFI_STATUS Status;
+ UINT8 Data;
+ UINT8 MonthDayCount[12] = { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
+ EFI_TPL OldTpl;
+
+ // Input validation according both to UEFI spec and hardware constraints
+ // UEFI spec says valid year range is 1900-9999 but TPS only supports 2000-2099
+ if ( (Time == NULL)
+ || (Time->Year < 2000 || Time->Year > 2099)
+ || (Time->Month < 1 || Time->Month > 12)
+ || (Time->Day < 1 || Time->Day > MonthDayCount[Time->Month])
+ || (Time->Hour > 23)
+ || (Time->Minute > 59)
+ || (Time->Second > 59)
+ || (Time->Nanosecond > 999999999)
+ || ((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;
+}
--- /dev/null
+# 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
--- /dev/null
+/** @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;
+}
--- /dev/null
+/** @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
--- /dev/null
+# 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
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