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Message-Id: <1236586097-3830-7-git-send-email-qingtao.cao@windriver.com>
Date: Mon, 9 Mar 2009 16:08:15 +0800
From: Harry Ciao <qingtao.cao@...driver.com>
To: linux-kernel@...r.kernel.org, bluesmoke-devel@...ts.sourceforge.net
Subject: [v1 PATCH 6/8] EDAC: AMD8131 driver header file
Introduce AMD8131 EDAC driver header file, which adds register and bits
definitions for the PCI-X Bridge Controller on the AMD8131 HyperTransport
I/O Hub.
Signed-off-by: Harry Ciao <qingtao.cao@...driver.com>
---
drivers/edac/amd8131_edac.h | 119 +++++++++++++++++++++++++++++++++++++++++++
1 files changed, 119 insertions(+), 0 deletions(-)
create mode 100644 drivers/edac/amd8131_edac.h
diff --git a/drivers/edac/amd8131_edac.h b/drivers/edac/amd8131_edac.h
new file mode 100644
index 0000000..60e0d1c
--- /dev/null
+++ b/drivers/edac/amd8131_edac.h
@@ -0,0 +1,119 @@
+/*
+ * amd8131_edac.h, EDAC defs for AMD8131 hypertransport chip
+ *
+ * Copyright (c) 2008 Wind River Systems, Inc.
+ *
+ * Authors: Cao Qingtao <qingtao.cao@...driver.com>
+ * Benjamin Walsh <benjamin.walsh@...driver.com>
+ * Hu Yongqi <yongqi.hu@...driver.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
+ * Controler, 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_ */
+
--
1.5.6.2
--
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