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/*
* amd8131_edac.h, EDAC defs for AMD8131 hypertransport chip
*
* Copyright (c) 2008 Wind River Systems, Inc.
*
* Authors: Cao Qingtao <qingtao.cao@windriver.com>
* Benjamin Walsh <benjamin.walsh@windriver.com>
* Hu Yongqi <yongqi.hu@windriver.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _AMD8131_EDAC_H_
#define _AMD8131_EDAC_H_
#define DEVFN_PCIX_BRIDGE_NORTH_A 8
#define DEVFN_PCIX_BRIDGE_NORTH_B 16
#define DEVFN_PCIX_BRIDGE_SOUTH_A 24
#define DEVFN_PCIX_BRIDGE_SOUTH_B 32
/************************************************************
* PCI-X Bridge Status and Command Register, DevA:0x04
************************************************************/
#define REG_STS_CMD 0x04
enum sts_cmd_bits {
STS_CMD_SSE = BIT(30),
STS_CMD_SERREN = BIT(8)
};
/************************************************************
* PCI-X Bridge Interrupt and Bridge Control Register,
************************************************************/
#define REG_INT_CTLR 0x3c
enum int_ctlr_bits {
INT_CTLR_DTSE = BIT(27),
INT_CTLR_DTS = BIT(26),
INT_CTLR_SERR = BIT(17),
INT_CTLR_PERR = BIT(16)
};
/************************************************************
* PCI-X Bridge Memory Base-Limit Register, DevA:0x1C
************************************************************/
#define REG_MEM_LIM 0x1c
enum mem_limit_bits {
MEM_LIMIT_DPE = BIT(31),
MEM_LIMIT_RSE = BIT(30),
MEM_LIMIT_RMA = BIT(29),
MEM_LIMIT_RTA = BIT(28),
MEM_LIMIT_STA = BIT(27),
MEM_LIMIT_MDPE = BIT(24),
MEM_LIMIT_MASK = MEM_LIMIT_DPE|MEM_LIMIT_RSE|MEM_LIMIT_RMA|
MEM_LIMIT_RTA|MEM_LIMIT_STA|MEM_LIMIT_MDPE
};
/************************************************************
* Link Configuration And Control Register, side A
************************************************************/
#define REG_LNK_CTRL_A 0xc4
/************************************************************
* Link Configuration And Control Register, side B
************************************************************/
#define REG_LNK_CTRL_B 0xc8
enum lnk_ctrl_bits {
LNK_CTRL_CRCERR_A = BIT(9),
LNK_CTRL_CRCERR_B = BIT(8),
LNK_CTRL_CRCFEN = BIT(1)
};
enum pcix_bridge_inst {
NORTH_A = 0,
NORTH_B = 1,
SOUTH_A = 2,
SOUTH_B = 3,
NO_BRIDGE = 4
};
struct amd8131_dev_info {
int devfn;
enum pcix_bridge_inst inst;
struct pci_dev *dev;
int edac_idx; /* pci device index */
char *ctl_name;
struct edac_pci_ctl_info *edac_dev;
};
/*
* AMD8131 chipset has two pairs of PCIX Bridge and related IOAPIC
* Controller, and ATCA-6101 has two AMD8131 chipsets, so there are
* four PCIX Bridges on ATCA-6101 altogether.
*
* These PCIX Bridges share the same PCI Device ID and are all of
* Function Zero, they could be discrimated by their pci_dev->devfn.
* They share the same set of init/check/exit methods, and their
* private structures are collected in the devices[] array.
*/
struct amd8131_info {
u16 err_dev; /* PCI Device ID for AMD8131 APIC*/
struct amd8131_dev_info *devices;
void (*init)(struct amd8131_dev_info *dev_info);
void (*exit)(struct amd8131_dev_info *dev_info);
void (*check)(struct edac_pci_ctl_info *edac_dev);
};
#endif /* _AMD8131_EDAC_H_ */
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