ArmPkg/CompilerIntrinsicsLib: Add uread, uwrite GCC assembly sources

[mirror_edk2.git] / Omap35xxPkg / PciEmulation / PciEmulation.c

/** @file\r
\r
  Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
  Copyright (c) 2016, Linaro, Ltd. All rights reserved.<BR>\r
\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <PiDxe.h>\r
\r
#include <Library/BaseLib.h>\r
#include <Library/DebugLib.h>\r
#include <Library/IoLib.h>\r
#include <Library/NonDiscoverableDeviceRegistrationLib.h>\r
#include <Library/UefiBootServicesTableLib.h>\r
\r
#include <Protocol/EmbeddedExternalDevice.h>\r
\r
#include <TPS65950.h>\r
#include <Omap3530/Omap3530.h>\r
\r
EMBEDDED_EXTERNAL_DEVICE   *gTPS65950;\r
\r
#define HOST_CONTROLLER_OPERATION_REG_SIZE  0x44\r
\r
STATIC\r
EFI_STATUS\r
ConfigureUSBHost (\r
  NON_DISCOVERABLE_DEVICE   *Device\r
  )\r
{\r
  EFI_STATUS Status;\r
  UINT8      Data = 0;\r
\r
  // Take USB host out of force-standby mode\r
  MmioWrite32 (UHH_SYSCONFIG, UHH_SYSCONFIG_MIDLEMODE_NO_STANDBY\r
                            | UHH_SYSCONFIG_CLOCKACTIVITY_ON\r
                            | UHH_SYSCONFIG_SIDLEMODE_NO_STANDBY\r
                            | UHH_SYSCONFIG_ENAWAKEUP_ENABLE\r
                            | UHH_SYSCONFIG_AUTOIDLE_ALWAYS_RUN);\r
  MmioWrite32 (UHH_HOSTCONFIG, UHH_HOSTCONFIG_P3_CONNECT_STATUS_DISCONNECT\r
                             | UHH_HOSTCONFIG_P2_CONNECT_STATUS_DISCONNECT\r
                             | UHH_HOSTCONFIG_P1_CONNECT_STATUS_DISCONNECT\r
                             | UHH_HOSTCONFIG_ENA_INCR_ALIGN_DISABLE\r
                             | UHH_HOSTCONFIG_ENA_INCR16_ENABLE\r
                             | UHH_HOSTCONFIG_ENA_INCR8_ENABLE\r
                             | UHH_HOSTCONFIG_ENA_INCR4_ENABLE\r
                             | UHH_HOSTCONFIG_AUTOPPD_ON_OVERCUR_EN_ON\r
                             | UHH_HOSTCONFIG_P1_ULPI_BYPASS_ULPI_MODE);\r
\r
  // USB reset (GPIO 147 - Port 5 pin 19) output high\r
  MmioAnd32 (GPIO5_BASE + GPIO_OE, ~BIT19);\r
  MmioWrite32 (GPIO5_BASE + GPIO_SETDATAOUT, BIT19);\r
\r
  // Get the Power IC protocol\r
  Status = gBS->LocateProtocol (&gEmbeddedExternalDeviceProtocolGuid, NULL, (VOID **)&gTPS65950);\r
  ASSERT_EFI_ERROR (Status);\r
\r
  // Power the USB PHY\r
  Data = VAUX_DEV_GRP_P1;\r
  Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, VAUX2_DEV_GRP), 1, &Data);\r
  ASSERT_EFI_ERROR(Status);\r
\r
  Data = VAUX_DEDICATED_18V;\r
  Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, VAUX2_DEDICATED), 1, &Data);\r
  ASSERT_EFI_ERROR (Status);\r
\r
  // Enable power to the USB hub\r
  Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID3, LEDEN), 1, &Data);\r
  ASSERT_EFI_ERROR (Status);\r
\r
  // LEDAON controls the power to the USB host, PWM is disabled\r
  Data &= ~LEDAPWM;\r
  Data |= LEDAON;\r
\r
  Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID3, LEDEN), 1, &Data);\r
  ASSERT_EFI_ERROR (Status);\r
\r
  return EFI_SUCCESS;\r
}\r
\r
EFI_STATUS\r
EFIAPI\r
PciEmulationEntryPoint (\r
  IN EFI_HANDLE       ImageHandle,\r
  IN EFI_SYSTEM_TABLE *SystemTable\r
  )\r
{\r
  UINT8                   CapabilityLength;\r
  UINT8                   PhysicalPorts;\r
  UINTN                   MemorySize;\r
\r
  CapabilityLength = MmioRead8 (USB_EHCI_HCCAPBASE);\r
  PhysicalPorts    = MmioRead32 (USB_EHCI_HCCAPBASE + 0x4) & 0x0000000F;\r
  MemorySize       = CapabilityLength + HOST_CONTROLLER_OPERATION_REG_SIZE +\r
                     4 * PhysicalPorts - 1;\r
\r
  return RegisterNonDiscoverableMmioDevice (\r
           NonDiscoverableDeviceTypeEhci,\r
           NonDiscoverableDeviceDmaTypeNonCoherent,\r
           ConfigureUSBHost,\r
           NULL,\r
           1,\r
           USB_EHCI_HCCAPBASE, MemorySize\r
           );\r
}\r