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Diffstat (limited to 'src/vendorcode/amd/cimx/sb800/EC.c')
-rw-r--r-- | src/vendorcode/amd/cimx/sb800/EC.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/src/vendorcode/amd/cimx/sb800/EC.c b/src/vendorcode/amd/cimx/sb800/EC.c new file mode 100644 index 0000000000..220424f905 --- /dev/null +++ b/src/vendorcode/amd/cimx/sb800/EC.c @@ -0,0 +1,131 @@ + +/** + * @file + * + * Config Southbridge EC Controller + * + * Init EC features. + * + * @xrefitem bom "File Content Label" "Release Content" + * @e project: CIMx-SB + * @e sub-project: + * @e \$Revision:$ @e \$Date:$ + * + */ +/* + ***************************************************************************** + * + * Copyright (c) 2011, Advanced Micro Devices, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Advanced Micro Devices, Inc. nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * *************************************************************************** + * + */ + +#include "SBPLATFORM.h" +#include "cbtypes.h" + +#ifndef NO_EC_SUPPORT + +/** + * Config EC controller during power-on + * + * + * + * @param[in] pConfig Southbridge configuration structure pointer. + * + */ +VOID +ecPowerOnInit ( + IN AMDSBCFG* pConfig + ) +{ + //Enable config mode + EnterEcConfig (); + + //Do settings for mailbox - logical device 0x09 + RWEC8 (0x07, 0x00, 0x09); //switch to device 9 (Mailbox) + RWEC8 (0x60, 0x00, (MailBoxPort >> 8)); //set MSB of Mailbox port + RWEC8 (0x61, 0x00, (MailBoxPort & 0xFF)); //set LSB of Mailbox port + RWEC8 (0x30, 0x00, 0x01); //;Enable Mailbox Registers Interface, bit0=1 + + if ( pConfig->BuildParameters.EcKbd == ENABLED) { + //Enable KBRST#, IRQ1 & IRQ12, GateA20 Function signal from IMC + RWMEM (ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGD6, AccWidthUint8, ~BIT8, BIT0 + BIT1 + BIT2 + BIT3); + + //Disable LPC Decoding of port 60/64 + RWPCI (((LPC_BUS_DEV_FUN << 16) + SB_LPC_REG47), AccWidthUint8 | S3_SAVE, ~BIT5, 0); + + //Enable logical device 0x07 (Keyboard controller) + RWEC8 (0x07, 0x00, 0x07); + RWEC8 (0x30, 0x00, 0x01); + } + + if ( pConfig->BuildParameters.EcChannel0 == ENABLED) { + //Logical device 0x03 + RWEC8 (0x07, 0x00, 0x03); + RWEC8 (0x60, 0x00, 0x00); + RWEC8 (0x61, 0x00, 0x62); + RWEC8 (0x30, 0x00, 0x01); //;Enable Device 8 + } + + //Enable EC (IMC) to generate SMI to BIOS + RWMEM (ACPI_MMIO_BASE + SMI_BASE + SB_SMI_REGB3, AccWidthUint8, ~BIT6, BIT6); + ExitEcConfig (); +} + +/** + * Config EC controller before PCI emulation + * + * + * + * @param[in] pConfig Southbridge configuration structure pointer. + * + */ +VOID +ecInitBeforePciEnum ( + IN AMDSBCFG* pConfig + ) +{ + AMDSBCFG* pTmp; // dummy code + pTmp = pConfig; +} + +/** + * Prepare EC controller to boot to OS. + * + * + * @param[in] pConfig Southbridge configuration structure pointer. + * + */ +VOID +ecInitLatePost ( + IN AMDSBCFG* pConfig + ) +{ + AMDSBCFG* pTmp; // dummy code + pTmp = pConfig; +} +#endif |