i7300_edac: add global error registers

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 92 insertions, 82 deletions

diff --git a/drivers/edac/i7300_edac.c b/drivers/edac/i7300_edac.c
index db194b6b3e42..7e035b6d0d0f 100644
--- a/drivers/edac/i7300_edac.c
+++ b/drivers/edac/i7300_edac.c
@@ -50,7 +50,7 @@
  *      Except on Single Channel mode of operation
  *              just slot 0/channel0 filled on this mode
  *      On normal operation mode, the two channels on a branch should be
-                filled together for the same SLOT#
+ *              filled together for the same SLOT#
  * When in mirrored mode, Branch 1 replicate memory at Branch 0, so, the four
  *              channels on both branches should be filled
  */
@@ -67,18 +67,24 @@
 #define to_csrow(slot, ch, branch)                                      \
                 (to_channel(ch, branch) | ((slot) << 2))
 
-
-/* Device 16,
- * Function 0: System Address (not documented)
- * Function 1: Memory Branch Map, Control, Errors Register
- * Function 2: FSB Error Registers
- *
+/*
+ * I7300 devices
  * All 3 functions of Device 16 (0,1,2) share the SAME DID and
  * uses PCI_DEVICE_ID_INTEL_I7300_MCH_ERR for device 16 (0,1,2),
  * PCI_DEVICE_ID_INTEL_I7300_MCH_FB0 and PCI_DEVICE_ID_INTEL_I7300_MCH_FB1
  * for device 21 (0,1).
  */
 
+/****************************************************
+ * i7300 Register definitions for memory enumberation
+ ****************************************************/
+
+/*
+ * Device 16,
+ * Function 0: System Address (not documented)
+ * Function 1: Memory Branch Map, Control, Errors Register
+ */
+
         /* OFFSETS for Function 0 */
 #define AMBASE                  0x48 /* AMB Mem Mapped Reg Region Base */
 #define MAXCH                   0x56 /* Max Channel Number */
@@ -94,50 +100,6 @@
 #define MIR1                    0x84
 #define MIR2                    0x88
 
-#if 0
-#define         AMIR0                   0x8c
-#define         AMIR1                   0x90
-#define         AMIR2                   0x94
-
-/*TODO: double check it */
-#define                 REC_ECC_LOCATOR_ODD(x)  ((x) & 0x3fe00) /* bits [17:9] indicate ODD, [8:0]  indicate EVEN */
-
-        /* Fatal error registers */
-#define         FERR_FAT_FBD            0x98
-
-/*TODO: double check it */
-#define                 FERR_FAT_FBDCHAN (3<<28)        /* channel index where the highest-order error occurred */
-
-#define         NERR_FAT_FBD            0x9c
-#define         FERR_NF_FBD             0xa0
-
-        /* Non-fatal error register */
-#define         NERR_NF_FBD             0xa4
-
-        /* Enable error mask */
-#define         EMASK_FBD               0xa8
-
-#define         ERR0_FBD                0xac
-#define         ERR1_FBD                0xb0
-#define         ERR2_FBD                0xb4
-#define         MCERR_FBD               0xb8
-
-#endif
-
-/* TODO: Dev 16 fn1 allows memory error injection - offsets 0x100-0x10b */
-
-        /* TODO: OFFSETS for Device 16 Function 2 */
-
-/*
- * Device 21,
- * Function 0: Memory Map Branch 0
- *
- * Device 22,
- * Function 0: Memory Map Branch 1
- */
-
-        /* OFFSETS for Function 0 */
-
 /*
  * Note: Other Intel EDAC drivers use AMBPRESENT to identify if the available
  * memory. From datasheet item 7.3.1 (FB-DIMM technology & organization), it
@@ -171,37 +133,6 @@ const static u16 mtr_regs [MAX_SLOTS] = {
 #define MTR_DIMM_COLS(mtr)              ((mtr) & 0x3)
 #define MTR_DIMM_COLS_ADDR_BITS(mtr)    (MTR_DIMM_COLS(mtr) + 10)
 
-#if 0
-        /* OFFSETS for Function 1 */
-
-/* TODO */
-#define NRECFGLOG               0x74
-#define RECFGLOG                0x78
-#define NRECMEMA                0xbe
-#define NRECMEMB                0xc0
-#define NRECFB_DIMMA            0xc4
-#define NRECFB_DIMMB            0xc8
-#define NRECFB_DIMMC            0xcc
-#define NRECFB_DIMMD            0xd0
-#define NRECFB_DIMME            0xd4
-#define NRECFB_DIMMF            0xd8
-#define REDMEMA                 0xdC
-#define RECMEMA                 0xf0
-#define RECMEMB                 0xf4
-#define RECFB_DIMMA             0xf8
-#define RECFB_DIMMB             0xec
-#define RECFB_DIMMC             0xf0
-#define RECFB_DIMMD             0xf4
-#define RECFB_DIMME             0xf8
-#define RECFB_DIMMF             0xfC
-
-/* This applies to FERR_NF_FB-DIMM as well as FERR_FAT_FB-DIMM */
-static inline int extract_fbdchan_indx(u32 x)
-{
-        return (x>>28) & 0x3;
-}
-#endif
-
 #ifdef CONFIG_EDAC_DEBUG
 /* MTR NUMROW */
 static const char *numrow_toString[] = {
@@ -220,6 +151,85 @@ static const char *numcol_toString[] = {
 };
 #endif
 
+/************************************************
+ * i7300 Register definitions for error detection
+ ************************************************/
+/*
+ * Device 16.2: Global Error Registers
+ */
+
+#define FERR_GLOBAL_LO  0x40
+static const char *ferr_global_name[] = {
+        [31] = "Internal MCH Fatal Error",
+        [30] = "Intel QuickData Technology Device Fatal Error",
+        [29] = "FSB1 Fatal Error",
+        [28] = "FSB0 Fatal Error",
+        [27] = "FBD Channel 3 Fatal Error",
+        [26] = "FBD Channel 2 Fatal Error",
+        [25] = "FBD Channel 1 Fatal Error",
+        [24] = "FBD Channel 0 Fatal Error",
+        [23] = "PCI Express Device 7Fatal Error",
+        [22] = "PCI Express Device 6 Fatal Error",
+        [21] = "PCI Express Device 5 Fatal Error",
+        [20] = "PCI Express Device 4 Fatal Error",
+        [19] = "PCI Express Device 3 Fatal Error",
+        [18] = "PCI Express Device 2 Fatal Error",
+        [17] = "PCI Express Device 1 Fatal Error",
+        [16] = "ESI Fatal Error",
+        [15] = "Internal MCH Non-Fatal Error",
+        [14] = "Intel QuickData Technology Device Non Fatal Error",
+        [13] = "FSB1 Non-Fatal Error",
+        [12] = "FSB 0 Non-Fatal Error",
+        [11] = "FBD Channel 3 Non-Fatal Error",
+        [10] = "FBD Channel 2 Non-Fatal Error",
+        [9]  = "FBD Channel 1 Non-Fatal Error",
+        [8]  = "FBD Channel 0 Non-Fatal Error",
+        [7]  = "PCI Express Device 7 Non-Fatal Error",
+        [6]  = "PCI Express Device 6 Non-Fatal Error",
+        [5]  = "PCI Express Device 5 Non-Fatal Error",
+        [4]  = "PCI Express Device 4 Non-Fatal Error",
+        [3]  = "PCI Express Device 3 Non-Fatal Error",
+        [2]  = "PCI Express Device 2 Non-Fatal Error",
+        [1]  = "PCI Express Device 1 Non-Fatal Error",
+        [0]  = "ESI Non-Fatal Error",
+};
+
+#define NERR_GLOBAL     0x44
+static const char *nerr_global_name[] = {
+        [31] = "Internal MCH Fatal Error",
+        [30] = "Intel QuickData Technology Device Fatal Error",
+        [29] = "FSB1 Fatal Error",
+        [28] = "FSB0 Fatal Error",
+        [27] = "FSB2 Fatal Error",
+        [26] = "FSB3 Fatal Error",
+        [25] = "Reserved",
+        [24] = "FBD Channel 0,1,2 or 3 Fatal Error",
+        [23] = "PCI Express Device 7 Fatal Error",
+        [22] = "PCI Express Device 6 Fatal Error",
+        [21] = "PCI Express Device 5 Fatal Error",
+        [20] = "PCI Express Device 4 Fatal Error",
+        [19] = "PCI Express Device 3 Fatal Error",
+        [18] = "PCI Express Device 2 Fatal Error",
+        [17] = "PCI Express Device 1 Fatal Error",
+        [16] = "ESI Fatal Error",
+        [15] = "Internal MCH Non-Fatal Error",
+        [14] = "Intel QuickData Technology Device Non Fatal Error",
+        [13] = "FSB1 Non-Fatal Error",
+        [12] = "FSB0 Non-Fatal Error",
+        [11] = "FSB2 Non-Fatal Error",
+        [10] = "FSB3 Non-Fatal Error",
+        [9] = "Reserved",
+        [8] = "FBD Channel 0,1, 2 or 3 Non-Fatal Error",
+        [7] = "PCI Express Device 7 Non-Fatal Error",
+        [6] = "PCI Express Device 6 Non-Fatal Error",
+        [5] = "PCI Express Device 5 Non-Fatal Error",
+        [4] = "PCI Express Device 4 Non-Fatal Error",
+        [3] = "PCI Express Device 3 Non-Fatal Error",
+        [2] = "PCI Express Device 2 Non-Fatal Error",
+        [1] = "PCI Express Device 1 Non-Fatal Error",
+        [0] = "ESI Non-Fatal Error",
+};
+
 #if 0
 
 /*