5 * Config Fch Xhci controller
7 * Init Xhci Controller features (PEI phase).
9 * @xrefitem bom "File Content Label" "Release Content"
12 * @e \$Revision: 44324 $ @e \$Date: 2010-12-22 01:16:51 -0800 (Wed, 22 Dec 2010) $
16 *****************************************************************************
18 * Copyright (c) 2011, Advanced Micro Devices, Inc.
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42 ****************************************************************************
44 #include "FchPlatform.h"
46 #define FILECODE PROC_FCH_USB_XHCIRECOVERY_FILECODE
49 * XhciIndirectRegInit - Config XHCI Indirect Registers
53 * @param[in] StdHeader AMD Standard Header
58 IN AMD_CONFIG_PARAMS *StdHeader
62 // SuperSpeed PHY Configuration (adaptation mode setting)
64 RwXhciIndReg ( FCH_XHCI_IND_REG94, 0xFFFFFC00, 0x00000021, StdHeader);
65 RwXhciIndReg ( FCH_XHCI_IND_REGD4, 0xFFFFFC00, 0x00000021, StdHeader);
67 // SuperSpeed PHY Configuration (CR phase and frequency filter settings)
69 RwXhciIndReg ( FCH_XHCI_IND_REG98, 0xFFFFFFC0, 0x0000000A, StdHeader);
70 RwXhciIndReg ( FCH_XHCI_IND_REGD8, 0xFFFFFFC0, 0x0000000A, StdHeader);
74 RwXhciIndReg ( FCH_XHCI_IND_REG00, 0xF8FFFFFF, 0x07000000, StdHeader);
76 // xHCI USB 2.0 PHY Settings
77 // Step 1 is done by hardware default
79 RwXhciIndReg ( FCH_XHCI_IND60_REG00, ~ BIT12, BIT12, StdHeader);
81 RwXhciIndReg ( FCH_XHCI_IND60_REG0C, ~ ((UINT32) (0x0f << 8)), ((UINT32) (0x02 << 8)), StdHeader);
82 RwXhciIndReg ( FCH_XHCI_IND60_REG08, ~ ((UINT32) (0xff << 8)), ((UINT32) (0x0f << 8)), StdHeader);
86 * XhciA12Patch - Config XHCI A12 Fix
95 // PLUG/UNPLUG of USB 2.0 devices make the XHCI USB 2.0 ports unfunctional - fix enable
96 // ACPI_USB3.0_REG 0x20[12:11] = 2'b11
97 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG20, AccessWidth32, ~((UINT32) (0x3 << 11)), (UINT32) (0x3 << 11));
99 // XHC 2 USB2 ports interactional issue - fix enable
100 // ACPI_USB3.0_REG 0x20[16] = 1'b1
101 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG20, AccessWidth32, ~((UINT32) (0x1 << 16)), (UINT32) (0x1 << 16));
103 // XHC USB2.0 Ports suspend Enhancement
104 // ACPI_USB3.0_REG 0x20[15] = 1'b1
106 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG20, AccessWidth32, ~((UINT32) (0x1 << 15)), (UINT32) (0x1 << 15));
108 // XHC HS/FS IN Data Buffer Underflow issue - fix enable
109 // ACPI_USB3.0_REG 0x20[19:18] = 2'b11
111 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG20, AccessWidth32, ~((UINT32) (0x3 << 18)), (UINT32) (0x3 << 18));
113 // XHC stuck in U3 after system resuming from S3 -fix enable
114 // ACPI_USB3.0_REG 0x98[19] = 1'b1
116 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG98, AccessWidth32, ~((UINT32) (0x1 << 19)), (UINT32) (0x1 << 19));
118 // Change XHC1 ( Dev 16 function 1) Interrupt Pin register to INTB# - Fix enable
119 // ACPI_PMIO_F0[18] =1
121 RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REGF0, AccessWidth32, ~((UINT32) (0x1 << 18)), (UINT32) (0x1 << 18));
123 // EHCI3/OHCI3 blocks Blink Global Clock Gating when EHCI/OHCI Dev 22 fn 0/2 are disabled
124 // ACPI_PMIO_F0[13] =1
126 RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REGF0, AccessWidth32, ~((UINT32) (0x1 << 13)), (UINT32) (0x1 << 13));
128 // Access register through JTAG fail when switch from XHCI to EHCI/OHCI - Fix enable
129 // ACPI_PMIO_F0[17] =1
131 RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REGF0, AccessWidth32, ~((UINT32) (0x1 << 17)), (UINT32) (0x1 << 17));
133 // USB leakage current on differential lines when ports are switched to XHCI - Fix enable
134 // ACPI_PMIO_F0[14] =1
136 RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REGF0, AccessWidth32, ~((UINT32) (0x1 << 14)), (UINT32) (0x1 << 14));
140 * IsItLpcRom - Is LPC Rom?
143 * @retval TRUE or FALSE
151 return ( (BOOLEAN) ((ACPIMMIO32 (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG80) & BIT1) == 0) );
155 * Is UMI in x1-Lane and GEN1 Mode?
158 * @retval TRUE or FALSE
162 IsUmiX1LaneGen1Mode (
163 IN AMD_CONFIG_PARAMS *StdHeader
168 AbValue = ReadAlink ((UINT32) (FCH_AX_CFG_REG68), StdHeader);
170 if (((AbValue & 0x0f) == 1) && ((AbValue & 0x03f0) == 0x0010)) {
178 * FchXhciEarlyInit - Config XHCI controller in recovery mode
184 IN AMD_CONFIG_PARAMS *StdHeader
193 UINTN XhciFwStarting;
198 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG00, AccessWidth32, 0x00000000, 0x00400700);
199 FchStall (20, StdHeader);
202 // Get ROM SIG starting address for USB firmware starting address (offset 0x0C to SIG address)
204 GetRomSigPtr (&XhciFwStarting, StdHeader);
206 if (XhciFwStarting == 0) {
209 XhciFwStarting = ACPIMMIO32 (XhciFwStarting + FW_TO_SIGADDR_OFFSET);
212 //XHCI firmware re-load
214 RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REGCC, AccessWidth32, ~BIT2, (BIT2 + BIT1 + BIT0), StdHeader);
215 RwPci ((LPC_BUS_DEV_FUN << 16) + FCH_LPC_REGCC, AccessWidth32, 0x00000FFF, (UINT32) (XhciFwStarting), StdHeader);
218 // Enable SuperSpeed receive special error case logic. 0x20 bit8
219 // Enable USB2.0 RX_Valid Synchronization. 0x20 bit9
220 // Enable USB2.0 DIN/SE0 Synchronization. 0x20 bit10
222 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG20, AccessWidth32, 0xFFFFF8FF, 0x00000700);
224 // SuperSpeed PHY Configuration (adaptation timer setting)
226 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG90, AccessWidth32, 0xFFF00000, 0x000AAAAA);
227 //RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG90 + 0x40, AccessWidth32, 0xFFF00000, 0x000AAAAA);
230 // Step 1. to enable Xhci IO and Firmware load mode
232 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG00, AccessWidth32, 0xF0FFFFFC, 0x00000003);
233 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG00, AccessWidth32, 0xEFFFFFFF, 0x10000000);
236 // Step 2. to read a portion of the USB3_APPLICATION_CODE from BIOS ROM area and program certain registers.
238 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REGA0, AccessWidth32, 0x00000000, (SPI_HEAD_LENGTH << 16));
240 BcdAddress = ACPIMMIO16 (XhciFwStarting + BCD_ADDR_OFFSET);
241 BcdSize = ACPIMMIO16 (XhciFwStarting + BCD_SIZE_OFFSET);
242 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REGA4, AccessWidth16, 0x0000, BcdAddress);
243 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REGA4 + 2, AccessWidth16, 0x0000, BcdSize);
245 AcdAddress = ACPIMMIO16 (XhciFwStarting + ACD_ADDR_OFFSET);
246 AcdSize = ACPIMMIO16 (XhciFwStarting + ACD_SIZE_OFFSET);
247 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REGA8, AccessWidth16, 0x0000, AcdAddress);
248 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REGA8 + 2, AccessWidth16, 0x0000, AcdSize);
250 SpiValidBase = SPI_BASE2 (XhciFwStarting + 4) | SPI_BAR0_VLD | SPI_BASE0 | SPI_BAR1_VLD | SPI_BASE1 | SPI_BAR2_VLD;
251 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REGB0, AccessWidth32, 0x00000000, SpiValidBase);
253 // Copy Type0/1/2 data block from ROM image to MMIO starting from 0xC0
255 for (Index = 0; Index < SPI_HEAD_LENGTH; Index++) {
256 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REGC0 + Index, AccessWidth8, 0, ACPIMMIO8 (XhciFwStarting + Index));
259 for (Index = 0; Index < BcdSize; Index++) {
260 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REGC0 + SPI_HEAD_LENGTH + Index, AccessWidth8, 0, ACPIMMIO8 (XhciFwStarting + BcdAddress + Index));
263 for (Index = 0; Index < AcdSize; Index++) {
264 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REGC0 + SPI_HEAD_LENGTH + BcdSize + Index, AccessWidth8, 0, ACPIMMIO8 (XhciFwStarting + AcdAddress + Index));
268 // Step 3. to enable the instruction RAM preload functionality.
270 FwAddress = ACPIMMIO16 (XhciFwStarting + FW_ADDR_OFFSET);
271 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REGB4, AccessWidth16, 0x0000, ACPIMMIO16 (XhciFwStarting + FwAddress));
273 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG04, AccessWidth16, 0x0000, FwAddress);
275 FwSize = ACPIMMIO16 (XhciFwStarting + FW_SIZE_OFFSET);
276 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG04 + 2, AccessWidth16, 0x0000, FwSize);
278 // Set the starting address offset for Instruction RAM preload.
280 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG08, AccessWidth16, 0x0000, 0);
282 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG00, AccessWidth32, ~BIT29, BIT29);
285 ReadMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG00 , AccessWidth32, &RegData);
286 if (RegData & BIT30) break;
288 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG00, AccessWidth32, ~BIT29, 0);
291 // Step 4. to release resets in XHCI_ACPI_MMIO_AMD_REG00. wait for USPLL to lock by polling USPLL lock.
294 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG00, AccessWidth32, ~U3PLL_RESET, 0); ///Release U3PLLreset
296 ReadMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG00 , AccessWidth32, &RegData);
297 if (RegData & U3PLL_LOCK) break;
300 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG00, AccessWidth32, ~U3PHY_RESET, 0); ///Release U3PHY
301 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG00, AccessWidth32, ~U3CORE_RESET, 0); ///Release core reset
304 // SuperSpeed PHY Configuration
306 //RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG90, AccessWidth32, 0xFFF00000, 0x000AAAAA);
307 //RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REGD0, AccessWidth32, 0xFFF00000, 0x000AAAAA);
309 XhciIndirectRegInit (StdHeader);
311 RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REGEF, AccessWidth8, ~(BIT4 + BIT5), 0); /// Disable Device 22
312 RwMem (ACPI_MMIO_BASE + PMIO_BASE + FCH_PMIOA_REGEF, AccessWidth8, ~(BIT7), BIT7); /// Enable 2.0 devices
313 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG00, AccessWidth32, ~(BIT21), BIT21);
317 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG00, AccessWidth32, ~(BIT17 + BIT18 + BIT19), BIT17 + BIT18);
322 // UMI Lane Configuration Information for XHCI Firmware to Calculate the Bandwidth for USB 3.0 ISOC Devices
324 if (!(IsUmiX1LaneGen1Mode (StdHeader))) {
325 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG20, AccessWidth32, ~(BIT25 + BIT24), BIT24);
327 // RPR 8.23 FS/LS devices not functional after resume from S4 fix enable (SB02699)
328 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REG20, AccessWidth32, ~(BIT22), BIT22);
329 // RPR 8.24 XHC USB2.0 Hub disable issue fix enable (SB02702)
330 RwMem (ACPI_MMIO_BASE + XHCI_BASE + XHCI_ACPI_MMIO_AMD_REGB4, AccessWidth32, ~(BIT20), BIT20);