/** @file | |
Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> | |
Copyright (c) 2016, Linaro, Ltd. All rights reserved.<BR> | |
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 <PiDxe.h> | |
#include <Library/BaseLib.h> | |
#include <Library/DebugLib.h> | |
#include <Library/IoLib.h> | |
#include <Library/NonDiscoverableDeviceRegistrationLib.h> | |
#include <Library/UefiBootServicesTableLib.h> | |
#include <Protocol/EmbeddedExternalDevice.h> | |
#include <TPS65950.h> | |
#include <Omap3530/Omap3530.h> | |
EMBEDDED_EXTERNAL_DEVICE *gTPS65950; | |
#define HOST_CONTROLLER_OPERATION_REG_SIZE 0x44 | |
STATIC | |
EFI_STATUS | |
ConfigureUSBHost ( | |
NON_DISCOVERABLE_DEVICE *Device | |
) | |
{ | |
EFI_STATUS Status; | |
UINT8 Data = 0; | |
// Take USB host out of force-standby mode | |
MmioWrite32 (UHH_SYSCONFIG, UHH_SYSCONFIG_MIDLEMODE_NO_STANDBY | |
| UHH_SYSCONFIG_CLOCKACTIVITY_ON | |
| UHH_SYSCONFIG_SIDLEMODE_NO_STANDBY | |
| UHH_SYSCONFIG_ENAWAKEUP_ENABLE | |
| UHH_SYSCONFIG_AUTOIDLE_ALWAYS_RUN); | |
MmioWrite32 (UHH_HOSTCONFIG, UHH_HOSTCONFIG_P3_CONNECT_STATUS_DISCONNECT | |
| UHH_HOSTCONFIG_P2_CONNECT_STATUS_DISCONNECT | |
| UHH_HOSTCONFIG_P1_CONNECT_STATUS_DISCONNECT | |
| UHH_HOSTCONFIG_ENA_INCR_ALIGN_DISABLE | |
| UHH_HOSTCONFIG_ENA_INCR16_ENABLE | |
| UHH_HOSTCONFIG_ENA_INCR8_ENABLE | |
| UHH_HOSTCONFIG_ENA_INCR4_ENABLE | |
| UHH_HOSTCONFIG_AUTOPPD_ON_OVERCUR_EN_ON | |
| UHH_HOSTCONFIG_P1_ULPI_BYPASS_ULPI_MODE); | |
// USB reset (GPIO 147 - Port 5 pin 19) output high | |
MmioAnd32 (GPIO5_BASE + GPIO_OE, ~BIT19); | |
MmioWrite32 (GPIO5_BASE + GPIO_SETDATAOUT, BIT19); | |
// Get the Power IC protocol | |
Status = gBS->LocateProtocol (&gEmbeddedExternalDeviceProtocolGuid, NULL, (VOID **)&gTPS65950); | |
ASSERT_EFI_ERROR (Status); | |
// Power the USB PHY | |
Data = VAUX_DEV_GRP_P1; | |
Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, VAUX2_DEV_GRP), 1, &Data); | |
ASSERT_EFI_ERROR(Status); | |
Data = VAUX_DEDICATED_18V; | |
Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, VAUX2_DEDICATED), 1, &Data); | |
ASSERT_EFI_ERROR (Status); | |
// Enable power to the USB hub | |
Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID3, LEDEN), 1, &Data); | |
ASSERT_EFI_ERROR (Status); | |
// LEDAON controls the power to the USB host, PWM is disabled | |
Data &= ~LEDAPWM; | |
Data |= LEDAON; | |
Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID3, LEDEN), 1, &Data); | |
ASSERT_EFI_ERROR (Status); | |
return EFI_SUCCESS; | |
} | |
EFI_STATUS | |
EFIAPI | |
PciEmulationEntryPoint ( | |
IN EFI_HANDLE ImageHandle, | |
IN EFI_SYSTEM_TABLE *SystemTable | |
) | |
{ | |
UINT8 CapabilityLength; | |
UINT8 PhysicalPorts; | |
UINTN MemorySize; | |
CapabilityLength = MmioRead8 (USB_EHCI_HCCAPBASE); | |
PhysicalPorts = MmioRead32 (USB_EHCI_HCCAPBASE + 0x4) & 0x0000000F; | |
MemorySize = CapabilityLength + HOST_CONTROLLER_OPERATION_REG_SIZE + | |
4 * PhysicalPorts - 1; | |
return RegisterNonDiscoverableMmioDevice ( | |
NonDiscoverableDeviceTypeEhci, | |
NonDiscoverableDeviceDmaTypeNonCoherent, | |
ConfigureUSBHost, | |
NULL, | |
1, | |
USB_EHCI_HCCAPBASE, MemorySize | |
); | |
} |