drivers-edac: add marvell mv64x60 driver

Marvell mv64x60 SoC support for EDAC.  Used on PPC and MIPS platforms.
Development and testing done on PPC Motorola prpmc2800 ATCA board.

[akpm@linux-foundation.org: make mv64x60_ctl_name static]
Signed-off-by: Dave Jiang <djiang@mvista.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk
Signed-off-by: Douglas Thompson <dougthompson@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 114 insertions, 0 deletions

diff --git a/drivers/edac/mv64x60_edac.h b/drivers/edac/mv64x60_edac.h
new file mode 100644
index 000000000000..e042e2daa8f4
--- /dev/null
+++ b/drivers/edac/mv64x60_edac.h
@@ -0,0 +1,114 @@
+/*
+ * EDAC defs for Marvell MV64x60 bridge chip
+ *
+ * Author: Dave Jiang <djiang@mvista.com>
+ *
+ * 2007 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ *
+ */
+#ifndef _MV64X60_EDAC_H_
+#define _MV64X60_EDAC_H_
+
+#define MV64x60_REVISION " Ver: 2.0.0 " __DATE__
+#define EDAC_MOD_STR    "MV64x60_edac"
+
+#define mv64x60_printk(level, fmt, arg...) \
+        edac_printk(level, "MV64x60", fmt, ##arg)
+
+#define mv64x60_mc_printk(mci, level, fmt, arg...) \
+        edac_mc_chipset_printk(mci, level, "MV64x60", fmt, ##arg)
+
+/* CPU Error Report Registers */
+#define MV64x60_CPU_ERR_ADDR_LO         0x00    /* 0x0070 */
+#define MV64x60_CPU_ERR_ADDR_HI         0x08    /* 0x0078 */
+#define MV64x60_CPU_ERR_DATA_LO         0x00    /* 0x0128 */
+#define MV64x60_CPU_ERR_DATA_HI         0x08    /* 0x0130 */
+#define MV64x60_CPU_ERR_PARITY          0x10    /* 0x0138 */
+#define MV64x60_CPU_ERR_CAUSE           0x18    /* 0x0140 */
+#define MV64x60_CPU_ERR_MASK            0x20    /* 0x0148 */
+
+#define MV64x60_CPU_CAUSE_MASK          0x07ffffff
+
+/* SRAM Error Report Registers */
+#define MV64X60_SRAM_ERR_CAUSE          0x08    /* 0x0388 */
+#define MV64X60_SRAM_ERR_ADDR_LO        0x10    /* 0x0390 */
+#define MV64X60_SRAM_ERR_ADDR_HI        0x78    /* 0x03f8 */
+#define MV64X60_SRAM_ERR_DATA_LO        0x18    /* 0x0398 */
+#define MV64X60_SRAM_ERR_DATA_HI        0x20    /* 0x03a0 */
+#define MV64X60_SRAM_ERR_PARITY         0x28    /* 0x03a8 */
+
+/* SDRAM Controller Registers */
+#define MV64X60_SDRAM_CONFIG            0x00    /* 0x1400 */
+#define MV64X60_SDRAM_ERR_DATA_HI       0x40    /* 0x1440 */
+#define MV64X60_SDRAM_ERR_DATA_LO       0x44    /* 0x1444 */
+#define MV64X60_SDRAM_ERR_ECC_RCVD      0x48    /* 0x1448 */
+#define MV64X60_SDRAM_ERR_ECC_CALC      0x4c    /* 0x144c */
+#define MV64X60_SDRAM_ERR_ADDR          0x50    /* 0x1450 */
+#define MV64X60_SDRAM_ERR_ECC_CNTL      0x54    /* 0x1454 */
+#define MV64X60_SDRAM_ERR_ECC_ERR_CNT   0x58    /* 0x1458 */
+
+#define MV64X60_SDRAM_REGISTERED        0x20000
+#define MV64X60_SDRAM_ECC               0x40000
+
+#ifdef CONFIG_PCI
+/*
+ * Bit 0 of MV64x60_PCIx_ERR_MASK does not exist on the 64360 and because of
+ * errata FEr-#11 and FEr-##16 for the 64460, it should be 0 on that chip as
+ * well.  IOW, don't set bit 0.
+ */
+#define MV64X60_PCIx_ERR_MASK_VAL       0x00a50c24
+
+/* Register offsets from PCIx error address low register */
+#define MV64X60_PCI_ERROR_ADDR_LO       0x00
+#define MV64X60_PCI_ERROR_ADDR_HI       0x04
+#define MV64X60_PCI_ERROR_ATTR          0x08
+#define MV64X60_PCI_ERROR_CMD           0x10
+#define MV64X60_PCI_ERROR_CAUSE         0x18
+#define MV64X60_PCI_ERROR_MASK          0x1c
+
+#define MV64X60_PCI_ERR_SWrPerr         0x0002
+#define MV64X60_PCI_ERR_SRdPerr         0x0004
+#define MV64X60_PCI_ERR_MWrPerr         0x0020
+#define MV64X60_PCI_ERR_MRdPerr         0x0040
+
+#define MV64X60_PCI_PE_MASK     (MV64X60_PCI_ERR_SWrPerr | \
+                                MV64X60_PCI_ERR_SRdPerr | \
+                                MV64X60_PCI_ERR_MWrPerr | \
+                                MV64X60_PCI_ERR_MRdPerr)
+
+struct mv64x60_pci_pdata {
+        int pci_hose;
+        void __iomem *pci_vbase;
+        char *name;
+        int irq;
+        int edac_idx;
+};
+
+#endif                          /* CONFIG_PCI */
+
+struct mv64x60_mc_pdata {
+        void __iomem *mc_vbase;
+        int total_mem;
+        char *name;
+        int irq;
+        int edac_idx;
+};
+
+struct mv64x60_cpu_pdata {
+        void __iomem *cpu_vbase[2];
+        char *name;
+        int irq;
+        int edac_idx;
+};
+
+struct mv64x60_sram_pdata {
+        void __iomem *sram_vbase;
+        char *name;
+        int irq;
+        int edac_idx;
+};
+
+#endif