From ee39ea7e7edf9699f1bae1b2708ad6816f054817 Mon Sep 17 00:00:00 2001 From: efdesign98 Date: Thu, 16 Jun 2011 16:39:30 -0700 Subject: Add AMD SB900 CIMx code This code is added to support the AMD SB900 southbridge. Change-Id: I7dc5e13a53ffd479dcea4e05e8c8631096e2ba91 Signed-off-by: Frank Vibrans Signed-off-by: efdesign98 Reviewed-on: http://review.coreboot.org/41 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones --- src/vendorcode/amd/cimx/sb900/PmioLib.c | 126 ++++++++++++++++++++++++++++++++ 1 file changed, 126 insertions(+) create mode 100755 src/vendorcode/amd/cimx/sb900/PmioLib.c (limited to 'src/vendorcode/amd/cimx/sb900/PmioLib.c') diff --git a/src/vendorcode/amd/cimx/sb900/PmioLib.c b/src/vendorcode/amd/cimx/sb900/PmioLib.c new file mode 100755 index 0000000000..75b6fedf1b --- /dev/null +++ b/src/vendorcode/amd/cimx/sb900/PmioLib.c @@ -0,0 +1,126 @@ +/** + * @file + * + * Southbridge PMIO access common routine + * + */ +/*;******************************************************************************** +; +; 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" + +/*----------------------------------------------------------------------------------------*/ +/** + * Read PMIO + * + * + * + * @param[in] Address - PMIO Offset value + * @param[in] OpFlag - Access sizes + * @param[in] Value - Read Data Buffer + * + */ +VOID +ReadPMIO ( + IN UINT8 Address, + IN UINT8 OpFlag, + IN VOID* Value + ) +{ + UINT8 i; + OpFlag = OpFlag & 0x7f; + + if ( OpFlag == 0x02 ) { + OpFlag = 0x03; + } + for ( i = 0; i <= OpFlag; i++ ) { + WriteIO (0xCD6, AccWidthUint8, &Address); // SB_IOMAP_REGCD6 + Address++; + ReadIO (0xCD7, AccWidthUint8, (UINT8 *)Value + i); // SB_IOMAP_REGCD7 + } +} + +/*----------------------------------------------------------------------------------------*/ +/** + * Write PMIO + * + * + * + * @param[in] Address - PMIO Offset value + * @param[in] OpFlag - Access sizes + * @param[in] Value - Write Data Buffer + * + */ +VOID +WritePMIO ( + IN UINT8 Address, + IN UINT8 OpFlag, + IN VOID* Value + ) +{ + UINT8 i; + OpFlag = OpFlag & 0x7f; + + if ( OpFlag == 0x02 ) { + OpFlag = 0x03; + } + for ( i = 0; i <= OpFlag; i++ ) { + WriteIO (0xCD6, AccWidthUint8, &Address); // SB_IOMAP_REGCD6 + Address++; + WriteIO (0xCD7, AccWidthUint8, (UINT8 *)Value + i); // SB_IOMAP_REGCD7 + } +} + +/*----------------------------------------------------------------------------------------*/ +/** + * RWPMIO - Read/Write PMIO + * + * + * + * @param[in] Address - PMIO Offset value + * @param[in] OpFlag - Access sizes + * @param[in] AndMask - Data And Mask 32 bits + * @param[in] OrMask - Data OR Mask 32 bits + * + */ +VOID +RWPMIO ( + IN UINT8 Address, + IN UINT8 OpFlag, + IN UINT32 AndMask, + IN UINT32 OrMask + ) +{ + UINT32 Result; + OpFlag = OpFlag & 0x7f; + ReadPMIO (Address, OpFlag, &Result); + Result = (Result & AndMask) | OrMask; + WritePMIO (Address, OpFlag, &Result); +} -- cgit v1.2.3