From: John Jacques <john.jacq...@intel.com>
Signed-off-by: John Jacques <john.jacq...@intel.com>
---
drivers/edac/axxia_edac.c | 461 ----------------------------------------------
1 file changed, 461 deletions(-)
delete mode 100644 drivers/edac/axxia_edac.c
diff --git a/drivers/edac/axxia_edac.c b/drivers/edac/axxia_edac.c
deleted file mode 100644
index d638141..0000000
--- a/drivers/edac/axxia_edac.c
+++ /dev/null
@@ -1,461 +0,0 @@
- /*
- * drivers/edac/axxia_edac.c
- *
- * EDAC Driver for Avago's Axxia 5500
- *
- * Copyright (C) 2010 LSI Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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
- *
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/io.h>
-#include <linux/edac.h>
-#include <mach/ncr.h>
-#include <linux/of_platform.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#include <linux/irq.h>
-#include <linux/platform_device.h>
-#include <linux/reboot.h>
-
-#include "edac_core.h"
-#include "edac_module.h"
-
-#define LSI_EDAC_MOD_STR "lsi_edac"
-#define CORES_PER_CLUSTER 4
-
-/* Private structure for common edac device */
-struct lsi_edac_dev_info {
- void __iomem *vbase;
- struct platform_device *pdev;
- char *ctl_name;
- char *blk_name;
- int edac_idx;
- u32 sm0_region;
- u32 sm1_region;
- void __iomem *apb2ser3_region;
- void __iomem *dickens_L3[8];
- struct edac_device_ctl_info *edac_dev;
- void (*init)(struct lsi_edac_dev_info *dev_info);
- void (*exit)(struct lsi_edac_dev_info *dev_info);
- void (*check)(struct edac_device_ctl_info *edac_dev);
-};
-
-static void lsi_error_init(struct lsi_edac_dev_info *dev_info)
-{
-}
-
-static void lsi_error_exit(struct lsi_edac_dev_info *dev_info)
-{
-}
-
-void log_cpumerrsr(void *edac)
-{
- struct edac_device_ctl_info *edac_dev =
- (struct edac_device_ctl_info *)edac;
- u32 tmp1, tmp2, count0, count1;
- unsigned long setVal;
- int i;
- struct lsi_edac_dev_info *dev_info;
-
- dev_info = (struct lsi_edac_dev_info *) edac_dev->pvt_info;
-
- /* Read cp15 for CPUMERRSR counts */
- asm volatile("mrrc\tp15, 0, %0, %1, c15" : "=r"(tmp1),
- "=r"(tmp2));
- if (tmp1 & 0x80000000) {
- count0 = (tmp2) & 0x000000ff;
- count1 = ((tmp2) & 0x0000ff00) >> 8;
-
- /* increment correctable error counts */
- for (i = 0; i < count0+count1; i++) {
- edac_device_handle_ce(edac_dev, 0,
- raw_smp_processor_id(), edac_dev->ctl_name);
- }
-
- /* Clear the valid bit */
- tmp1 = 0x80000000;
- tmp2 = 0;
- asm volatile("mcrr\tp15, 0, %0, %1, c15" : : "r"(tmp1),
- "r"(tmp2));
- }
- if (tmp2 & 0x80000000) {
- setVal = readl(dev_info->apb2ser3_region + 0xdc);
- /* set bit 3 in pscratch reg */
- setVal = (setVal) | (0x1 << 3);
- writel(setVal, dev_info->apb2ser3_region + 0xdc);
- pr_info("CPU uncorrectable error\n");
- machine_restart(NULL);
- }
-}
-
-
-/* Check for CPU Errors */
-static void lsi_cpu_error_check(struct edac_device_ctl_info *edac_dev)
-{
- /* execute on current cpu */
- log_cpumerrsr(edac_dev);
-
- /* send ipis to execute on other cpus */
- smp_call_function(log_cpumerrsr, edac_dev, 1);
-
-}
-
-void log_l2merrsr(void *edac)
-{
- struct edac_device_ctl_info *edac_dev =
- (struct edac_device_ctl_info *)edac;
- u32 tmp1, tmp2, count0, count1;
- unsigned long setVal;
- int i;
- struct lsi_edac_dev_info *dev_info;
-
- dev_info = (struct lsi_edac_dev_info *) edac_dev->pvt_info;
-
- /* Read cp15 for L2MERRSR counts */
- asm volatile("mrrc\tp15, 1, %0, %1, c15" : "=r"(tmp1),
- "=r"(tmp2));
- if (tmp1 & 0x80000000) {
- count0 = (tmp2) & 0x000000ff;
- count1 = ((tmp2) & 0x0000ff00) >> 8;
-
- /* increment correctable error counts */
- for (i = 0; i < count0+count1; i++) {
- edac_device_handle_ce(edac_dev, 0,
- raw_smp_processor_id()/CORES_PER_CLUSTER,
- edac_dev->ctl_name);
- }
-
- /* Clear the valid bit */
- tmp1 = 0x80000000;
- tmp2 = 0;
- asm volatile("mcrr\tp15, 1, %0, %1, c15" : : "r"(tmp1),
- "r"(tmp2));
- }
- if (tmp2 & 0x80000000) {
- setVal = readl(dev_info->apb2ser3_region + 0xdc);
- /* set bit 3 in pscratch reg */
- setVal = (setVal) | (0x1 << 3);
- writel(setVal, dev_info->apb2ser3_region + 0xdc);
- pr_info("L2 uncorrectable error\n");
- machine_restart(NULL);
- }
-}
-
-/* Check for L2 Errors */
-static void lsi_l2_error_check(struct edac_device_ctl_info *edac_dev)
-{
- /* 4 cores per cluster */
- int nr_cluster_ids = ((nr_cpu_ids - 1) / CORES_PER_CLUSTER) + 1;
- int i, j, cpu;
-
- /* execute on current cpu */
- log_l2merrsr(edac_dev);
-
- for (i = 0; i < nr_cluster_ids; i++) {
- /* No need to run on local cluster. */
- if (i == (raw_smp_processor_id() / CORES_PER_CLUSTER))
- continue;
- /*
- * Have some core in each cluster execute this,
- * Start with the first core on that cluster.
- */
- cpu = i * CORES_PER_CLUSTER;
- for (j = cpu; j < cpu + CORES_PER_CLUSTER; j++) {
- if (cpu_online(j)) {
- smp_call_function_single(j, log_l2merrsr,
- edac_dev, 1);
- break;
- }
- }
- }
-}
-
-/* Check for L3 Errors */
-static void lsi_l3_error_check(struct edac_device_ctl_info *edac_dev)
-{
- unsigned long regVal1, regVal2, setVal;
- unsigned count = 0;
- int i, instance;
- struct lsi_edac_dev_info *dev_info;
-
- dev_info = (struct lsi_edac_dev_info *) edac_dev->pvt_info;
-
- for (instance = 0; instance < 8; instance++) {
- regVal1 = readl(dev_info->dickens_L3[instance]);
- regVal2 = readl(dev_info->dickens_L3[instance] + 4);
- /* First error valid */
- if (regVal2 & 0x40000000) {
- if (regVal2 & 0x30000000) {
- setVal = readl(dev_info->apb2ser3_region +
- 0xdc);
- /* set bit 3 in pscratch reg */
- setVal = (setVal) | (0x1 << 3);
- writel(setVal, dev_info->apb2ser3_region +
- 0xdc);
- /* Fatal error */
- pr_info("L3 uncorrectable error\n");
- machine_restart(NULL);
- }
- count = (regVal2 & 0x07fff800) >> 11;
- for (i = 0; i < count; i++)
- edac_device_handle_ce(edac_dev, 0,
- instance, edac_dev->ctl_name);
- /* clear the valid bit */
- writel(0x48000000, dev_info->dickens_L3[instance] + 84);
- }
- }
-}
-
-/* Check for SysMem Errors */
-static void lsi_sm_error_check(struct edac_device_ctl_info *edac_dev)
-{
- unsigned long sm0_regVal, sm1_regVal, clearVal, setVal;
- struct lsi_edac_dev_info *dev_info;
-
- dev_info = (struct lsi_edac_dev_info *) edac_dev->pvt_info;
-
- /* SM0 is instance 0 */
- ncr_read(dev_info->sm0_region, 0x410, 4, &sm0_regVal);
- if (sm0_regVal & 0x8) {
- /* single bit and multiple bit correctable errors */
- edac_device_handle_ce(edac_dev, 0, 0, edac_dev->ctl_name);
- /* Clear bits */
- clearVal = 0x8;
- ncr_write(dev_info->sm0_region, 0x548, 4, &clearVal);
- }
- if (sm0_regVal & 0x40) {
- setVal = readl(dev_info->apb2ser3_region + 0xdc);
- /* set bit 3 in pscratch reg */
- setVal = (setVal) | (0x1 << 3);
- writel(setVal, dev_info->apb2ser3_region + 0xdc);
- /* single bit and multiple bit uncorrectable errors */
- pr_info("SM0 uncorrectable error\n");
- machine_restart(NULL);
- }
-
- /* SM1 is instance 1 */
- ncr_read(dev_info->sm1_region, 0x410, 4, &sm1_regVal);
- if (sm1_regVal & 0x8) {
- /* single bit and multiple bit correctable errors */
- edac_device_handle_ce(edac_dev, 0, 1, edac_dev->ctl_name);
- /* Clear bits */
- clearVal = 0x8;
- ncr_write(dev_info->sm1_region, 0x548, 4, &clearVal);
- }
- if (sm1_regVal & 0x40) {
- setVal = readl(dev_info->apb2ser3_region + 0xdc);
- /* set bit 3 in pscratch reg */
- setVal = (setVal) | (0x1 << 3);
- writel(setVal, dev_info->apb2ser3_region + 0xdc);
- /* single bit and multiple bit uncorrectable errors */
- pr_info("SM1 uncorrectable error\n");
- machine_restart(NULL);
- }
-}
-
-
-static struct lsi_edac_dev_info lsi_edac_devs[] = {
- {
- .ctl_name = "LSI_CPU",
- .blk_name = "cpumerrsr",
- .init = lsi_error_init,
- .exit = lsi_error_exit,
- .check = lsi_cpu_error_check
- },
- {
- .ctl_name = "LSI_L2",
- .blk_name = "l2merrsr",
- .init = lsi_error_init,
- .exit = lsi_error_exit,
- .check = lsi_l2_error_check
- },
- {
- .ctl_name = "LSI_L3",
- .blk_name = "l3merrsr",
- .init = lsi_error_init,
- .exit = lsi_error_exit,
- .check = lsi_l3_error_check
- },
- {
- .ctl_name = "LSI_SM",
- .blk_name = "ECC",
- .init = lsi_error_init,
- .exit = lsi_error_exit,
- .check = lsi_sm_error_check
- },
- {0} /* Terminated by NULL */
-};
-
-
-
-/* static void lsi_add_edac_devices(void __iomem *vbase) */
-static void lsi_add_edac_devices(struct platform_device *pdev)
-{
- struct lsi_edac_dev_info *dev_info = NULL;
- /* 4 cores per cluster */
- int nr_cluster_ids = ((nr_cpu_ids - 1) / CORES_PER_CLUSTER) + 1;
- struct resource *io0, *io1;
- struct device_node *np = pdev->dev.of_node;
- void __iomem *apb2ser3_region;
- int i;
-
- apb2ser3_region = of_iomap(np, 2);
- if (!apb2ser3_region) {
- dev_err(&pdev->dev, "LSI_apb2ser3_region iomap error\n");
- goto err2;
- }
-
- for (dev_info = &lsi_edac_devs[0]; dev_info->init; dev_info++) {
- dev_info->pdev = platform_device_register_simple(
- dev_info->ctl_name, 0, NULL, 0);
- if (IS_ERR(dev_info->pdev)) {
- pr_info("Can't register platform device for %s\n",
- dev_info->ctl_name);
- continue;
- }
- /*
- * Don't have to allocate private structure but
- * make use of cpc925_devs[] instead.
- */
- dev_info->edac_idx = edac_device_alloc_index();
-
- if (strcmp(dev_info->ctl_name, "LSI_SM") == 0) {
- io0 = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!io0) {
- dev_err(&pdev->dev, "Unable to get mem
resource\n");
- goto err2;
- }
- io1 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- if (!io1) {
- dev_err(&pdev->dev, "Unable to get mem
resource\n");
- goto err2;
- }
-
- dev_info->sm0_region = io0->start;
- dev_info->sm1_region = io1->start;
- dev_info->apb2ser3_region = apb2ser3_region;
- dev_info->edac_dev =
- edac_device_alloc_ctl_info(0, dev_info->ctl_name,
- 1, dev_info->blk_name, 2, 0,
- NULL, 0, dev_info->edac_idx);
- } else if (strcmp(dev_info->ctl_name, "LSI_L3") == 0) {
- /* 8 L3 caches */
- for (i = 0; i < 8; i++) {
- dev_info->dickens_L3[i] = of_iomap(np, i+3);
- if (!dev_info->dickens_L3[i]) {
- dev_err(&pdev->dev,
- "LSI_L3 iomap error\n");
- goto err2;
- }
- }
- dev_info->apb2ser3_region = apb2ser3_region;
- dev_info->edac_dev =
- edac_device_alloc_ctl_info(0, dev_info->ctl_name,
- 1, dev_info->blk_name, 8, 0, NULL, 0,
- dev_info->edac_idx);
- } else if (strcmp(dev_info->ctl_name, "LSI_CPU") == 0) {
- dev_info->apb2ser3_region = apb2ser3_region;
- dev_info->edac_dev =
- edac_device_alloc_ctl_info(0, dev_info->ctl_name,
- 1, dev_info->blk_name, num_possible_cpus(), 0, NULL,
- 0, dev_info->edac_idx);
- } else if (strcmp(dev_info->ctl_name, "LSI_L2") == 0) {
- dev_info->apb2ser3_region = apb2ser3_region;
- dev_info->edac_dev =
- edac_device_alloc_ctl_info(0, dev_info->ctl_name,
- 1, dev_info->blk_name, nr_cluster_ids, 0, NULL,
- 0, dev_info->edac_idx);
- } else {
- dev_info->edac_dev =
- edac_device_alloc_ctl_info(0, dev_info->ctl_name,
- 1, dev_info->blk_name, 1, 0,
- NULL, 0, dev_info->edac_idx);
- }
- if (!dev_info->edac_dev) {
- pr_info("No memory for edac device\n");
- goto err1;
- }
-
- dev_info->edac_dev->pvt_info = dev_info;
- dev_info->edac_dev->dev = &dev_info->pdev->dev;
- dev_info->edac_dev->ctl_name = dev_info->ctl_name;
- dev_info->edac_dev->mod_name = LSI_EDAC_MOD_STR;
- dev_info->edac_dev->dev_name = dev_name(&dev_info->pdev->dev);
-
- if (edac_op_state == EDAC_OPSTATE_POLL)
- dev_info->edac_dev->edac_check = dev_info->check;
-
- if (dev_info->init)
- dev_info->init(dev_info);
-
- if (edac_device_add_device(dev_info->edac_dev) > 0) {
- pr_info("Unable to add edac device for %s\n",
- dev_info->ctl_name);
- goto err2;
- }
- pr_info("Successfully added edac device for %s\n",
- dev_info->ctl_name);
-
- continue;
-err2:
- if (dev_info->exit)
- dev_info->exit(dev_info);
- edac_device_free_ctl_info(dev_info->edac_dev);
-err1:
- platform_device_unregister(dev_info->pdev);
- }
-}
-
-
-static int lsi_edac_probe(struct platform_device *pdev)
-{
- edac_op_state = EDAC_OPSTATE_POLL;
- lsi_add_edac_devices(pdev);
- return 0;
-}
-
-static int lsi_edac_remove(struct platform_device *pdev)
-{
- platform_device_unregister(pdev);
- return 0;
-}
-
-static struct of_device_id lsi_edac_match[] = {
- {
- .type = "edac",
- .compatible = "lsi,edac",
- },
- {},
-};
-
-static struct platform_driver lsi_edac_driver = {
- .probe = lsi_edac_probe,
- .remove = lsi_edac_remove,
- .driver = {
- .name = "lsi_edac",
- .of_match_table = lsi_edac_match,
- }
-};
-
-module_platform_driver(lsi_edac_driver);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Sangeetha Rao <sangeetha....@avagotech.com>");
--
1.9.1
--
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