diff options
Diffstat (limited to 'src/vendorcode/amd/agesa/f15tn/Proc/Fch/Spi/Family/Hudson2/Hudson2LpcEnvService.c')
| -rw-r--r-- | src/vendorcode/amd/agesa/f15tn/Proc/Fch/Spi/Family/Hudson2/Hudson2LpcEnvService.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Spi/Family/Hudson2/Hudson2LpcEnvService.c b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Spi/Family/Hudson2/Hudson2LpcEnvService.c new file mode 100644 index 0000000000..236b4c5e93 --- /dev/null +++ b/src/vendorcode/amd/agesa/f15tn/Proc/Fch/Spi/Family/Hudson2/Hudson2LpcEnvService.c @@ -0,0 +1,119 @@ +/* $NoKeywords:$ */ +/** + * @file + * + * Config Fch LPC controller + * + * Init LPC Controller features. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: AGESA + * @e sub-project: FCH + * @e \$Revision: 63425 $ @e \$Date: 2011-12-22 11:24:10 -0600 (Thu, 22 Dec 2011) $ + * + */ +/* +***************************************************************************** +* +* Copyright 2008 - 2012 ADVANCED MICRO DEVICES, INC. All Rights Reserved. +* +* AMD is granting you permission to use this software (the Materials) +* pursuant to the terms and conditions of your Software License Agreement +* with AMD. This header does *NOT* give you permission to use the Materials +* or any rights under AMD's intellectual property. Your use of any portion +* of these Materials shall constitute your acceptance of those terms and +* conditions. If you do not agree to the terms and conditions of the Software +* License Agreement, please do not use any portion of these Materials. +* +* CONFIDENTIALITY: The Materials and all other information, identified as +* confidential and provided to you by AMD shall be kept confidential in +* accordance with the terms and conditions of the Software License Agreement. +* +* LIMITATION OF LIABILITY: THE MATERIALS AND ANY OTHER RELATED INFORMATION +* PROVIDED TO YOU BY AMD ARE PROVIDED "AS IS" WITHOUT ANY EXPRESS OR IMPLIED +* WARRANTY OF ANY KIND, INCLUDING BUT NOT LIMITED TO WARRANTIES OF +* MERCHANTABILITY, NONINFRINGEMENT, TITLE, FITNESS FOR ANY PARTICULAR PURPOSE, +* OR WARRANTIES ARISING FROM CONDUCT, COURSE OF DEALING, OR USAGE OF TRADE. +* IN NO EVENT SHALL AMD OR ITS LICENSORS BE LIABLE FOR ANY DAMAGES WHATSOEVER +* (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS, BUSINESS +* INTERRUPTION, OR LOSS OF INFORMATION) ARISING OUT OF AMD'S NEGLIGENCE, +* GROSS NEGLIGENCE, THE USE OF OR INABILITY TO USE THE MATERIALS OR ANY OTHER +* RELATED INFORMATION PROVIDED TO YOU BY AMD, EVEN IF AMD HAS BEEN ADVISED OF +* THE POSSIBILITY OF SUCH DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE +* EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, +* THE ABOVE LIMITATION MAY NOT APPLY TO YOU. +* +* AMD does not assume any responsibility for any errors which may appear in +* the Materials or any other related information provided to you by AMD, or +* result from use of the Materials or any related information. +* +* You agree that you will not reverse engineer or decompile the Materials. +* +* NO SUPPORT OBLIGATION: AMD is not obligated to furnish, support, or make any +* further information, software, technical information, know-how, or show-how +* available to you. Additionally, AMD retains the right to modify the +* Materials at any time, without notice, and is not obligated to provide such +* modified Materials to you. +* +* U.S. GOVERNMENT RESTRICTED RIGHTS: The Materials are provided with +* "RESTRICTED RIGHTS." Use, duplication, or disclosure by the Government is +* subject to the restrictions as set forth in FAR 52.227-14 and +* DFAR252.227-7013, et seq., or its successor. Use of the Materials by the +* Government constitutes acknowledgement of AMD's proprietary rights in them. +* +* EXPORT ASSURANCE: You agree and certify that neither the Materials, nor any +* direct product thereof will be exported directly or indirectly, into any +* country prohibited by the United States Export Administration Act and the +* regulations thereunder, without the required authorization from the U.S. +* government nor will be used for any purpose prohibited by the same. +**************************************************************************** +*/ +#include "FchPlatform.h" +#include "Filecode.h" +#define FILECODE PROC_FCH_SPI_FAMILY_HUDSON2_HUDSON2LPCENVSERVICE_FILECODE + +/** + * FchInitHudson2EnvLpcPciTable - PCI device registers initial + * during early POST. + * + */ +REG8_MASK FchInitHudson2EnvLpcPciTable[] = +{ + // + // LPC Device (Bus 0, Dev 20, Func 3) + // + {0x00, LPC_BUS_DEV_FUN, 0}, + {FCH_LPC_REG40, (UINT8)~BIT2, BIT2}, /// Enabling LPC DMA Function 0x40[2]=1b 0x78[0]=0b + {FCH_LPC_REG48, 0x00, BIT0 + BIT1 + BIT2}, + {0x78 , 0xFC, 00}, /// Enabling LPC DMA Function 0x40[2]=1b 0x78[0]=0b / Disables MSI capability + {FCH_LPC_REGBB, (UINT8)~BIT0, (BIT0 + BIT3 + BIT4 + BIT5)}, /// Enabled SPI Prefetch from HOST. + {0xFF, 0xFF, 0xFF}, +}; + +/** + * FchInitEnvLpcProgram - Config LPC controller before PCI + * emulation + * + * + * + * @param[in] FchDataPtr Fch configuration structure pointer. + * + */ +VOID +FchInitEnvLpcProgram ( + IN VOID *FchDataPtr + ) +{ + FCH_DATA_BLOCK *LocalCfgPtr; + AMD_CONFIG_PARAMS *StdHeader; + LocalCfgPtr = (FCH_DATA_BLOCK *) FchDataPtr; + StdHeader = LocalCfgPtr->StdHeader; + + ProgramPciByteTable ((REG8_MASK*) (&FchInitHudson2EnvLpcPciTable[0]), sizeof (FchInitHudson2EnvLpcPciTable) / sizeof (REG8_MASK), StdHeader); + + // + // Disable LPC A-Link Cycle Bypass + // + RwMem (ACPI_MMIO_BASE + MISC_BASE + FCH_MISC_REG50 + 2, AccessWidth8, 0xF7, BIT3); +} + |