forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
110 lines
2.7 KiB
110 lines
2.7 KiB
/* |
|
* This file is subject to the terms and conditions of the GNU General Public |
|
* License. See the file "COPYING" in the main directory of this archive |
|
* for more details. |
|
* |
|
* Copyright (C) 2012 Cavium, Inc. |
|
* Copyright (C) 2009 Wind River Systems, |
|
* written by Ralf Baechle <[email protected]> |
|
*/ |
|
#include <linux/module.h> |
|
#include <linux/init.h> |
|
#include <linux/slab.h> |
|
#include <linux/io.h> |
|
#include <linux/edac.h> |
|
|
|
#include <asm/octeon/cvmx.h> |
|
#include <asm/octeon/cvmx-npi-defs.h> |
|
#include <asm/octeon/cvmx-pci-defs.h> |
|
#include <asm/octeon/octeon.h> |
|
|
|
#include "edac_module.h" |
|
|
|
static void octeon_pci_poll(struct edac_pci_ctl_info *pci) |
|
{ |
|
union cvmx_pci_cfg01 cfg01; |
|
|
|
cfg01.u32 = octeon_npi_read32(CVMX_NPI_PCI_CFG01); |
|
if (cfg01.s.dpe) { /* Detected parity error */ |
|
edac_pci_handle_pe(pci, pci->ctl_name); |
|
cfg01.s.dpe = 1; /* Reset */ |
|
octeon_npi_write32(CVMX_NPI_PCI_CFG01, cfg01.u32); |
|
} |
|
if (cfg01.s.sse) { |
|
edac_pci_handle_npe(pci, "Signaled System Error"); |
|
cfg01.s.sse = 1; /* Reset */ |
|
octeon_npi_write32(CVMX_NPI_PCI_CFG01, cfg01.u32); |
|
} |
|
if (cfg01.s.rma) { |
|
edac_pci_handle_npe(pci, "Received Master Abort"); |
|
cfg01.s.rma = 1; /* Reset */ |
|
octeon_npi_write32(CVMX_NPI_PCI_CFG01, cfg01.u32); |
|
} |
|
if (cfg01.s.rta) { |
|
edac_pci_handle_npe(pci, "Received Target Abort"); |
|
cfg01.s.rta = 1; /* Reset */ |
|
octeon_npi_write32(CVMX_NPI_PCI_CFG01, cfg01.u32); |
|
} |
|
if (cfg01.s.sta) { |
|
edac_pci_handle_npe(pci, "Signaled Target Abort"); |
|
cfg01.s.sta = 1; /* Reset */ |
|
octeon_npi_write32(CVMX_NPI_PCI_CFG01, cfg01.u32); |
|
} |
|
if (cfg01.s.mdpe) { |
|
edac_pci_handle_npe(pci, "Master Data Parity Error"); |
|
cfg01.s.mdpe = 1; /* Reset */ |
|
octeon_npi_write32(CVMX_NPI_PCI_CFG01, cfg01.u32); |
|
} |
|
} |
|
|
|
static int octeon_pci_probe(struct platform_device *pdev) |
|
{ |
|
struct edac_pci_ctl_info *pci; |
|
int res = 0; |
|
|
|
pci = edac_pci_alloc_ctl_info(0, "octeon_pci_err"); |
|
if (!pci) |
|
return -ENOMEM; |
|
|
|
pci->dev = &pdev->dev; |
|
platform_set_drvdata(pdev, pci); |
|
pci->dev_name = dev_name(&pdev->dev); |
|
|
|
pci->mod_name = "octeon-pci"; |
|
pci->ctl_name = "octeon_pci_err"; |
|
pci->edac_check = octeon_pci_poll; |
|
|
|
if (edac_pci_add_device(pci, 0) > 0) { |
|
pr_err("%s: edac_pci_add_device() failed\n", __func__); |
|
goto err; |
|
} |
|
|
|
return 0; |
|
|
|
err: |
|
edac_pci_free_ctl_info(pci); |
|
|
|
return res; |
|
} |
|
|
|
static int octeon_pci_remove(struct platform_device *pdev) |
|
{ |
|
struct edac_pci_ctl_info *pci = platform_get_drvdata(pdev); |
|
|
|
edac_pci_del_device(&pdev->dev); |
|
edac_pci_free_ctl_info(pci); |
|
|
|
return 0; |
|
} |
|
|
|
static struct platform_driver octeon_pci_driver = { |
|
.probe = octeon_pci_probe, |
|
.remove = octeon_pci_remove, |
|
.driver = { |
|
.name = "octeon_pci_edac", |
|
} |
|
}; |
|
module_platform_driver(octeon_pci_driver); |
|
|
|
MODULE_LICENSE("GPL"); |
|
MODULE_AUTHOR("Ralf Baechle <[email protected]>");
|
|
|