From d001febf0b5594120dd422bcbe5736221471e0ca Mon Sep 17 00:00:00 2001 From: Dan Crowell Date: Tue, 13 May 2014 16:45:45 -0500 Subject: Create LPC Device Driver Split LPC function out from PNOR DD and incorporate Stradale changes Change-Id: I4162db1a9f52ba3c0c973438b7b70baeae00aee2 Origin: Google Shared Technology RTC: 97494 Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/11198 Tested-by: Jenkins Server Reviewed-by: Michael Baiocchi Reviewed-by: Douglas R. Gilbert Reviewed-by: Daniel M. Crowell Reviewed-by: A. Patrick Williams III --- src/include/usr/lpc/lpc_reasoncodes.H | 60 ++++++++++++++++++++++++++++++++ src/include/usr/lpc/lpcif.H | 64 +++++++++++++++++++++++++++++++++++ 2 files changed, 124 insertions(+) create mode 100644 src/include/usr/lpc/lpc_reasoncodes.H create mode 100644 src/include/usr/lpc/lpcif.H (limited to 'src/include/usr/lpc') diff --git a/src/include/usr/lpc/lpc_reasoncodes.H b/src/include/usr/lpc/lpc_reasoncodes.H new file mode 100644 index 000000000..11622becf --- /dev/null +++ b/src/include/usr/lpc/lpc_reasoncodes.H @@ -0,0 +1,60 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/include/usr/lpc/lpc_reasoncodes.H $ */ +/* */ +/* OpenPOWER HostBoot Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 2014 */ +/* [+] Google Inc. */ +/* [+] International Business Machines Corp. */ +/* */ +/* */ +/* Licensed under the Apache License, Version 2.0 (the "License"); */ +/* you may not use this file except in compliance with the License. */ +/* You may obtain a copy of the License at */ +/* */ +/* http://www.apache.org/licenses/LICENSE-2.0 */ +/* */ +/* Unless required by applicable law or agreed to in writing, software */ +/* distributed under the License is distributed on an "AS IS" BASIS, */ +/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */ +/* implied. See the License for the specific language governing */ +/* permissions and limitations under the License. */ +/* */ +/* IBM_PROLOG_END_TAG */ +#ifndef __LPC_REASONCODES_H +#define __LPC_REASONCODES_H + +#include + +namespace LPC +{ + enum LPCModuleId + { + MOD_LPCDD_INVALID_MODULE = 0x00, + MOD_LPCDD_CHECKADDR = 0x01, + MOD_LPCDD_READLPC = 0x02, + MOD_LPCDD_WRITELPC = 0x03, + MOD_LPCDD_CHECKFOROPBERRORS = 0x04, + MOD_LPCDD_HWRESET = 0x05, + MOD_CREATE_ALTMASTER = 0x06, + MOD_READLPC = 0x07, + MOD_WRITELPC = 0x08, + }; + + enum LPCReasonCode + { + RC_INVALID_ADDR = LPC_COMP_ID | 0x01, + RC_ECCB_ERROR = LPC_COMP_ID | 0x02, + RC_BAD_ARG = LPC_COMP_ID | 0x03, + RC_OPB_ERROR = LPC_COMP_ID | 0x04, + RC_UNSUPPORTED_OPERATION = LPC_COMP_ID | 0x05, + RC_ALTMASTER_EXISTS = LPC_COMP_ID | 0x06, + RC_CANT_USE_MASTER = LPC_COMP_ID | 0x07, + RC_CANT_USE_SENTINEL = LPC_COMP_ID | 0x08, + RC_BAD_TARGET = LPC_COMP_ID | 0x09, + }; +}; + +#endif diff --git a/src/include/usr/lpc/lpcif.H b/src/include/usr/lpc/lpcif.H new file mode 100644 index 000000000..f7cf9f6de --- /dev/null +++ b/src/include/usr/lpc/lpcif.H @@ -0,0 +1,64 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/include/usr/lpc/lpcif.H $ */ +/* */ +/* OpenPOWER HostBoot Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 2014 */ +/* [+] Google Inc. */ +/* [+] International Business Machines Corp. */ +/* */ +/* */ +/* Licensed under the Apache License, Version 2.0 (the "License"); */ +/* you may not use this file except in compliance with the License. */ +/* You may obtain a copy of the License at */ +/* */ +/* http://www.apache.org/licenses/LICENSE-2.0 */ +/* */ +/* Unless required by applicable law or agreed to in writing, software */ +/* distributed under the License is distributed on an "AS IS" BASIS, */ +/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */ +/* implied. See the License for the specific language governing */ +/* permissions and limitations under the License. */ +/* */ +/* IBM_PROLOG_END_TAG */ +#ifndef __LPCIF_H +#define __LPCIF_H + +#include + +namespace LPC +{ + +/** + * @enum LPC::TransType + * @brief LPC Transaction Types + */ +enum TransType { + TRANS_IO, + TRANS_MEM, + TRANS_FW, + TRANS_REG, // LPCHC Register space + TRANS_ABS, // Address parm is absolute + TRANS_LAST //Invalid, used for looping and tests +}; + + +/** + * @brief Create/delete software objects to support non-master access + * + * Only a single altmaster object can be active at any given time. The + * previous object must be destroyed before creating another one. + * + * @param i_create true: create objects, false: destroy previous objects + * @param i_proc Processor target to use for LPC access + * + * @return Error if invalid parms or ordering occurs + */ +errlHndl_t create_altmaster_objects( bool i_create, + TARGETING::Target* i_proc ); + +}; // namespace LPC + +#endif // end __LPCIF_H -- cgit v1.2.1