edac: AMD8111 driver header file

Introduce AMD8111 EDAC driver header file, which adds register and bits
definitions for the LPC Bridge Controller and PCI Bridge Controller on the
AMD8111 HyperTransport I/O Hub.

Signed-off-by: Harry Ciao <qingtao.cao@windriver.com>
Cc: Doug Thompson <norsk5@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 130 insertions, 0 deletions

diff --git a/drivers/edac/amd8111_edac.h b/drivers/edac/amd8111_edac.h
new file mode 100644
index 00000000000..35794331deb
--- /dev/null
+++ b/drivers/edac/amd8111_edac.h
@@ -0,0 +1,130 @@
+/*
+ * amd8111_edac.h, EDAC defs for AMD8111 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 _AMD8111_EDAC_H_
+#define _AMD8111_EDAC_H_
+
+/************************************************************
+ *      PCI Bridge Status and Command Register, DevA:0x04
+ ************************************************************/
+#define REG_PCI_STSCMD  0x04
+enum pci_stscmd_bits {
+        PCI_STSCMD_SSE          = BIT(30),
+        PCI_STSCMD_RMA          = BIT(29),
+        PCI_STSCMD_RTA          = BIT(28),
+        PCI_STSCMD_SERREN       = BIT(8),
+        PCI_STSCMD_CLEAR_MASK   = (PCI_STSCMD_SSE |
+                                   PCI_STSCMD_RMA |
+                                   PCI_STSCMD_RTA)
+};
+
+/************************************************************
+ *      PCI 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_CLEAR_MASK  = (MEM_LIMIT_DPE |
+                                 MEM_LIMIT_RSE |
+                                 MEM_LIMIT_RMA |
+                                 MEM_LIMIT_RTA |
+                                 MEM_LIMIT_STA |
+                                 MEM_LIMIT_MDPE)
+};
+
+/************************************************************
+ *      HyperTransport Link Control Register, DevA:0xc4
+ ************************************************************/
+#define REG_HT_LINK     0xc4
+enum ht_link_bits {
+        HT_LINK_LKFAIL  = BIT(4),
+        HT_LINK_CRCFEN  = BIT(1),
+        HT_LINK_CLEAR_MASK = (HT_LINK_LKFAIL)
+};
+
+/************************************************************
+ *      PCI Bridge Interrupt and Bridge Control, DevA:0x3c
+ ************************************************************/
+#define REG_PCI_INTBRG_CTRL     0x3c
+enum pci_intbrg_ctrl_bits {
+        PCI_INTBRG_CTRL_DTSERREN        = BIT(27),
+        PCI_INTBRG_CTRL_DTSTAT          = BIT(26),
+        PCI_INTBRG_CTRL_MARSP           = BIT(21),
+        PCI_INTBRG_CTRL_SERREN          = BIT(17),
+        PCI_INTBRG_CTRL_PEREN           = BIT(16),
+        PCI_INTBRG_CTRL_CLEAR_MASK      = (PCI_INTBRG_CTRL_DTSTAT),
+        PCI_INTBRG_CTRL_POLL_MASK       = (PCI_INTBRG_CTRL_DTSERREN |
+                                           PCI_INTBRG_CTRL_MARSP |
+                                           PCI_INTBRG_CTRL_SERREN)
+};
+
+/************************************************************
+ *              I/O Control 1 Register, DevB:0x40
+ ************************************************************/
+#define REG_IO_CTRL_1 0x40
+enum io_ctrl_1_bits {
+        IO_CTRL_1_NMIONERR      = BIT(7),
+        IO_CTRL_1_LPC_ERR       = BIT(6),
+        IO_CTRL_1_PW2LPC        = BIT(1),
+        IO_CTRL_1_CLEAR_MASK    = (IO_CTRL_1_LPC_ERR | IO_CTRL_1_PW2LPC)
+};
+
+/************************************************************
+ *              Legacy I/O Space Registers
+ ************************************************************/
+#define REG_AT_COMPAT 0x61
+enum at_compat_bits {
+        AT_COMPAT_SERR          = BIT(7),
+        AT_COMPAT_IOCHK         = BIT(6),
+        AT_COMPAT_CLRIOCHK      = BIT(3),
+        AT_COMPAT_CLRSERR       = BIT(2),
+};
+
+struct amd8111_dev_info {
+        u16 err_dev;    /* PCI Device ID */
+        struct pci_dev *dev;
+        int edac_idx;   /* device index */
+        char *ctl_name;
+        struct edac_device_ctl_info *edac_dev;
+        void (*init)(struct amd8111_dev_info *dev_info);
+        void (*exit)(struct amd8111_dev_info *dev_info);
+        void (*check)(struct edac_device_ctl_info *edac_dev);
+};
+
+struct amd8111_pci_info {
+        u16 err_dev;    /* PCI Device ID */
+        struct pci_dev *dev;
+        int edac_idx;   /* pci index */
+        const char *ctl_name;
+        struct edac_pci_ctl_info *edac_dev;
+        void (*init)(struct amd8111_pci_info *dev_info);
+        void (*exit)(struct amd8111_pci_info *dev_info);
+        void (*check)(struct edac_pci_ctl_info *edac_dev);
+};
+
+#endif /* _AMD8111_EDAC_H_ */