projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| f65aad41 RB |
1 | /* |
| 2 | * This file is subject to the terms and conditions of the GNU General Public | |
| 3 | * License. See the file "COPYING" in the main directory of this archive | |
| 4 | * for more details. | |
| 5 | * | |
| e1ced097 | 6 | * Copyright (C) 2012 Cavium, Inc. |
| f65aad41 RB |
7 | * Copyright (C) 2009 Wind River Systems, |
| 8 | * written by Ralf Baechle <ralf@linux-mips.org> | |
| 9 | */ | |
| 10 | #include <linux/module.h> | |
| 11 | #include <linux/init.h> | |
| 12 | #include <linux/slab.h> | |
| 13 | #include <linux/io.h> | |
| 14 | #include <linux/edac.h> | |
| 15 | ||
| 16 | #include <asm/octeon/cvmx.h> | |
| 17 | #include <asm/octeon/cvmx-npi-defs.h> | |
| 18 | #include <asm/octeon/cvmx-pci-defs.h> | |
| 19 | #include <asm/octeon/octeon.h> | |
| 20 | ||
| 21 | #include "edac_core.h" | |
| 22 | #include "edac_module.h" | |
| 23 | ||
| e1ced097 | 24 | static void octeon_pci_poll(struct edac_pci_ctl_info *pci) |
| f65aad41 RB |
25 | { |
| 26 | union cvmx_pci_cfg01 cfg01; | |
| 27 | ||
| 28 | cfg01.u32 = octeon_npi_read32(CVMX_NPI_PCI_CFG01); | |
| 29 | if (cfg01.s.dpe) { /* Detected parity error */ | |
| 30 | edac_pci_handle_pe(pci, pci->ctl_name); | |
| 31 | cfg01.s.dpe = 1; /* Reset */ | |
| 32 | octeon_npi_write32(CVMX_NPI_PCI_CFG01, cfg01.u32); | |
| 33 | } | |
| 34 | if (cfg01.s.sse) { | |
| 35 | edac_pci_handle_npe(pci, "Signaled System Error"); | |
| 36 | cfg01.s.sse = 1; /* Reset */ | |
| 37 | octeon_npi_write32(CVMX_NPI_PCI_CFG01, cfg01.u32); | |
| 38 | } | |
| 39 | if (cfg01.s.rma) { | |
| 40 | edac_pci_handle_npe(pci, "Received Master Abort"); | |
| 41 | cfg01.s.rma = 1; /* Reset */ | |
| 42 | octeon_npi_write32(CVMX_NPI_PCI_CFG01, cfg01.u32); | |
| 43 | } | |
| 44 | if (cfg01.s.rta) { | |
| 45 | edac_pci_handle_npe(pci, "Received Target Abort"); | |
| 46 | cfg01.s.rta = 1; /* Reset */ | |
| 47 | octeon_npi_write32(CVMX_NPI_PCI_CFG01, cfg01.u32); | |
| 48 | } | |
| 49 | if (cfg01.s.sta) { | |
| 50 | edac_pci_handle_npe(pci, "Signaled Target Abort"); | |
| 51 | cfg01.s.sta = 1; /* Reset */ | |
| 52 | octeon_npi_write32(CVMX_NPI_PCI_CFG01, cfg01.u32); | |
| 53 | } | |
| 54 | if (cfg01.s.mdpe) { | |
| 55 | edac_pci_handle_npe(pci, "Master Data Parity Error"); | |
| 56 | cfg01.s.mdpe = 1; /* Reset */ | |
| 57 | octeon_npi_write32(CVMX_NPI_PCI_CFG01, cfg01.u32); | |
| 58 | } | |
| f65aad41 RB |
59 | } |
| 60 | ||
| 9b3c6e85 | 61 | static int octeon_pci_probe(struct platform_device *pdev) |
| f65aad41 RB |
62 | { |
| 63 | struct edac_pci_ctl_info *pci; | |
| 64 | int res = 0; | |
| 65 | ||
| 66 | pci = edac_pci_alloc_ctl_info(0, "octeon_pci_err"); | |
| 67 | if (!pci) | |
| 68 | return -ENOMEM; | |
| 69 | ||
| 70 | pci->dev = &pdev->dev; | |
| 71 | platform_set_drvdata(pdev, pci); | |
| 72 | pci->dev_name = dev_name(&pdev->dev); | |
| 73 | ||
| 74 | pci->mod_name = "octeon-pci"; | |
| 75 | pci->ctl_name = "octeon_pci_err"; | |
| e1ced097 | 76 | pci->edac_check = octeon_pci_poll; |
| f65aad41 RB |
77 | |
| 78 | if (edac_pci_add_device(pci, 0) > 0) { | |
| 79 | pr_err("%s: edac_pci_add_device() failed\n", __func__); | |
| 80 | goto err; | |
| 81 | } | |
| 82 | ||
| 83 | return 0; | |
| 84 | ||
| 85 | err: | |
| 86 | edac_pci_free_ctl_info(pci); | |
| 87 | ||
| 88 | return res; | |
| 89 | } | |
| 90 | ||
| e1ced097 | 91 | static int octeon_pci_remove(struct platform_device *pdev) |
| f65aad41 RB |
92 | { |
| 93 | struct edac_pci_ctl_info *pci = platform_get_drvdata(pdev); | |
| 94 | ||
| 95 | edac_pci_del_device(&pdev->dev); | |
| 96 | edac_pci_free_ctl_info(pci); | |
| 97 | ||
| 98 | return 0; | |
| 99 | } | |
| 100 | ||
| e1ced097 DD |
101 | static struct platform_driver octeon_pci_driver = { |
| 102 | .probe = octeon_pci_probe, | |
| 103 | .remove = octeon_pci_remove, | |
| f65aad41 | 104 | .driver = { |
| e1ced097 | 105 | .name = "octeon_pci_edac", |
| f65aad41 RB |
106 | } |
| 107 | }; | |
| e1ced097 | 108 | module_platform_driver(octeon_pci_driver); |
| f65aad41 RB |
109 | |
| 110 | MODULE_LICENSE("GPL"); | |
| 111 | MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>"); |