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1e57a462 | 1 | /** @file\r |
2 | \r | |
3 | Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r | |
04fd7859 | 4 | Copyright (c) 2016, Linaro, Ltd. All rights reserved.<BR>\r |
3402aac7 | 5 | \r |
1e57a462 | 6 | This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
04fd7859 | 16 | #include <PiDxe.h>\r |
1e57a462 | 17 | \r |
04fd7859 AB |
18 | #include <Library/BaseLib.h>\r |
19 | #include <Library/DebugLib.h>\r | |
20 | #include <Library/IoLib.h>\r | |
21 | #include <Library/NonDiscoverableDeviceRegistrationLib.h>\r | |
22 | #include <Library/UefiBootServicesTableLib.h>\r | |
1e57a462 | 23 | \r |
04fd7859 | 24 | #include <Protocol/EmbeddedExternalDevice.h>\r |
1e57a462 | 25 | \r |
04fd7859 AB |
26 | #include <TPS65950.h>\r |
27 | #include <Omap3530/Omap3530.h>\r | |
1e57a462 | 28 | \r |
04fd7859 | 29 | EMBEDDED_EXTERNAL_DEVICE *gTPS65950;\r |
1e57a462 | 30 | \r |
04fd7859 | 31 | #define HOST_CONTROLLER_OPERATION_REG_SIZE 0x44\r |
1e57a462 | 32 | \r |
33 | STATIC\r | |
04fd7859 | 34 | EFI_STATUS\r |
1e57a462 | 35 | ConfigureUSBHost (\r |
04fd7859 | 36 | NON_DISCOVERABLE_DEVICE *Device\r |
1e57a462 | 37 | )\r |
38 | {\r | |
39 | EFI_STATUS Status;\r | |
40 | UINT8 Data = 0;\r | |
41 | \r | |
42 | // Take USB host out of force-standby mode\r | |
43 | MmioWrite32 (UHH_SYSCONFIG, UHH_SYSCONFIG_MIDLEMODE_NO_STANDBY\r | |
44 | | UHH_SYSCONFIG_CLOCKACTIVITY_ON\r | |
45 | | UHH_SYSCONFIG_SIDLEMODE_NO_STANDBY\r | |
46 | | UHH_SYSCONFIG_ENAWAKEUP_ENABLE\r | |
47 | | UHH_SYSCONFIG_AUTOIDLE_ALWAYS_RUN);\r | |
48 | MmioWrite32 (UHH_HOSTCONFIG, UHH_HOSTCONFIG_P3_CONNECT_STATUS_DISCONNECT\r | |
49 | | UHH_HOSTCONFIG_P2_CONNECT_STATUS_DISCONNECT\r | |
50 | | UHH_HOSTCONFIG_P1_CONNECT_STATUS_DISCONNECT\r | |
51 | | UHH_HOSTCONFIG_ENA_INCR_ALIGN_DISABLE\r | |
52 | | UHH_HOSTCONFIG_ENA_INCR16_ENABLE\r | |
53 | | UHH_HOSTCONFIG_ENA_INCR8_ENABLE\r | |
54 | | UHH_HOSTCONFIG_ENA_INCR4_ENABLE\r | |
55 | | UHH_HOSTCONFIG_AUTOPPD_ON_OVERCUR_EN_ON\r | |
56 | | UHH_HOSTCONFIG_P1_ULPI_BYPASS_ULPI_MODE);\r | |
57 | \r | |
58 | // USB reset (GPIO 147 - Port 5 pin 19) output high\r | |
59 | MmioAnd32 (GPIO5_BASE + GPIO_OE, ~BIT19);\r | |
60 | MmioWrite32 (GPIO5_BASE + GPIO_SETDATAOUT, BIT19);\r | |
61 | \r | |
62 | // Get the Power IC protocol\r | |
63 | Status = gBS->LocateProtocol (&gEmbeddedExternalDeviceProtocolGuid, NULL, (VOID **)&gTPS65950);\r | |
3402aac7 | 64 | ASSERT_EFI_ERROR (Status);\r |
1e57a462 | 65 | \r |
66 | // Power the USB PHY\r | |
67 | Data = VAUX_DEV_GRP_P1;\r | |
68 | Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, VAUX2_DEV_GRP), 1, &Data);\r | |
69 | ASSERT_EFI_ERROR(Status);\r | |
70 | \r | |
71 | Data = VAUX_DEDICATED_18V;\r | |
72 | Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID4, VAUX2_DEDICATED), 1, &Data);\r | |
3402aac7 | 73 | ASSERT_EFI_ERROR (Status);\r |
1e57a462 | 74 | \r |
75 | // Enable power to the USB hub\r | |
76 | Status = gTPS65950->Read (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID3, LEDEN), 1, &Data);\r | |
77 | ASSERT_EFI_ERROR (Status);\r | |
78 | \r | |
79 | // LEDAON controls the power to the USB host, PWM is disabled\r | |
80 | Data &= ~LEDAPWM;\r | |
81 | Data |= LEDAON;\r | |
82 | \r | |
83 | Status = gTPS65950->Write (gTPS65950, EXTERNAL_DEVICE_REGISTER(I2C_ADDR_GRP_ID3, LEDEN), 1, &Data);\r | |
84 | ASSERT_EFI_ERROR (Status);\r | |
1e57a462 | 85 | \r |
1e57a462 | 86 | return EFI_SUCCESS;\r |
87 | }\r | |
88 | \r | |
1e57a462 | 89 | EFI_STATUS\r |
90 | EFIAPI\r | |
91 | PciEmulationEntryPoint (\r | |
92 | IN EFI_HANDLE ImageHandle,\r | |
93 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
94 | )\r | |
95 | {\r | |
1e57a462 | 96 | UINT8 CapabilityLength;\r |
97 | UINT8 PhysicalPorts;\r | |
04fd7859 AB |
98 | UINTN MemorySize;\r |
99 | \r | |
100 | CapabilityLength = MmioRead8 (USB_EHCI_HCCAPBASE);\r | |
101 | PhysicalPorts = MmioRead32 (USB_EHCI_HCCAPBASE + 0x4) & 0x0000000F;\r | |
102 | MemorySize = CapabilityLength + HOST_CONTROLLER_OPERATION_REG_SIZE +\r | |
103 | 4 * PhysicalPorts - 1;\r | |
104 | \r | |
105 | return RegisterNonDiscoverableMmioDevice (\r | |
106 | NonDiscoverableDeviceTypeEhci,\r | |
107 | NonDiscoverableDeviceDmaTypeNonCoherent,\r | |
108 | ConfigureUSBHost,\r | |
109 | NULL,\r | |
110 | 1,\r | |
111 | USB_EHCI_HCCAPBASE, MemorySize\r | |
112 | );\r | |
1e57a462 | 113 | }\r |