* 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 <ralf@linux-mips.org>
*/
#define EDAC_MOD_STR "octeon-l2c"
-static void co_l2c_poll(struct edac_device_ctl_info *l2c)
+static void octeon_l2c_poll_oct1(struct edac_device_ctl_info *l2c)
{
- union cvmx_l2t_err l2t_err;
+ union cvmx_l2t_err l2t_err, l2t_err_reset;
+ union cvmx_l2d_err l2d_err, l2d_err_reset;
+ l2t_err_reset.u64 = 0;
l2t_err.u64 = cvmx_read_csr(CVMX_L2T_ERR);
if (l2t_err.s.sec_err) {
edac_device_handle_ce(l2c, 0, 0,
- "Single bit error (corrected)");
- l2t_err.s.sec_err = 1; /* Reset */
- cvmx_write_csr(CVMX_L2T_ERR, l2t_err.u64);
+ "Tag Single bit error (corrected)");
+ l2t_err_reset.s.sec_err = 1;
}
if (l2t_err.s.ded_err) {
edac_device_handle_ue(l2c, 0, 0,
- "Double bit error (corrected)");
- l2t_err.s.ded_err = 1; /* Reset */
- cvmx_write_csr(CVMX_L2T_ERR, l2t_err.u64);
+ "Tag Double bit error (detected)");
+ l2t_err_reset.s.ded_err = 1;
+ }
+ if (l2t_err_reset.u64)
+ cvmx_write_csr(CVMX_L2T_ERR, l2t_err_reset.u64);
+
+ l2d_err_reset.u64 = 0;
+ l2d_err.u64 = cvmx_read_csr(CVMX_L2D_ERR);
+ if (l2d_err.s.sec_err) {
+ edac_device_handle_ce(l2c, 0, 1,
+ "Data Single bit error (corrected)");
+ l2d_err_reset.s.sec_err = 1;
+ }
+ if (l2d_err.s.ded_err) {
+ edac_device_handle_ue(l2c, 0, 1,
+ "Data Double bit error (detected)");
+ l2d_err_reset.s.ded_err = 1;
+ }
+ if (l2d_err_reset.u64)
+ cvmx_write_csr(CVMX_L2D_ERR, l2d_err_reset.u64);
+
+}
+
+static void _octeon_l2c_poll_oct2(struct edac_device_ctl_info *l2c, int tad)
+{
+ union cvmx_l2c_err_tdtx err_tdtx, err_tdtx_reset;
+ union cvmx_l2c_err_ttgx err_ttgx, err_ttgx_reset;
+ char buf1[64];
+ char buf2[80];
+
+ err_tdtx_reset.u64 = 0;
+ err_tdtx.u64 = cvmx_read_csr(CVMX_L2C_ERR_TDTX(tad));
+ if (err_tdtx.s.dbe || err_tdtx.s.sbe ||
+ err_tdtx.s.vdbe || err_tdtx.s.vsbe)
+ snprintf(buf1, sizeof(buf1),
+ "type:%d, syn:0x%x, way:%d",
+ err_tdtx.s.type, err_tdtx.s.syn, err_tdtx.s.wayidx);
+
+ if (err_tdtx.s.dbe) {
+ snprintf(buf2, sizeof(buf2),
+ "L2D Double bit error (detected):%s", buf1);
+ err_tdtx_reset.s.dbe = 1;
+ edac_device_handle_ue(l2c, tad, 1, buf2);
+ }
+ if (err_tdtx.s.sbe) {
+ snprintf(buf2, sizeof(buf2),
+ "L2D Single bit error (corrected):%s", buf1);
+ err_tdtx_reset.s.sbe = 1;
+ edac_device_handle_ce(l2c, tad, 1, buf2);
+ }
+ if (err_tdtx.s.vdbe) {
+ snprintf(buf2, sizeof(buf2),
+ "VBF Double bit error (detected):%s", buf1);
+ err_tdtx_reset.s.vdbe = 1;
+ edac_device_handle_ue(l2c, tad, 1, buf2);
+ }
+ if (err_tdtx.s.vsbe) {
+ snprintf(buf2, sizeof(buf2),
+ "VBF Single bit error (corrected):%s", buf1);
+ err_tdtx_reset.s.vsbe = 1;
+ edac_device_handle_ce(l2c, tad, 1, buf2);
+ }
+ if (err_tdtx_reset.u64)
+ cvmx_write_csr(CVMX_L2C_ERR_TDTX(tad), err_tdtx_reset.u64);
+
+ err_ttgx_reset.u64 = 0;
+ err_ttgx.u64 = cvmx_read_csr(CVMX_L2C_ERR_TTGX(tad));
+
+ if (err_ttgx.s.dbe || err_ttgx.s.sbe)
+ snprintf(buf1, sizeof(buf1),
+ "type:%d, syn:0x%x, way:%d",
+ err_ttgx.s.type, err_ttgx.s.syn, err_ttgx.s.wayidx);
+
+ if (err_ttgx.s.dbe) {
+ snprintf(buf2, sizeof(buf2),
+ "Tag Double bit error (detected):%s", buf1);
+ err_ttgx_reset.s.dbe = 1;
+ edac_device_handle_ue(l2c, tad, 0, buf2);
}
+ if (err_ttgx.s.sbe) {
+ snprintf(buf2, sizeof(buf2),
+ "Tag Single bit error (corrected):%s", buf1);
+ err_ttgx_reset.s.sbe = 1;
+ edac_device_handle_ce(l2c, tad, 0, buf2);
+ }
+ if (err_ttgx_reset.u64)
+ cvmx_write_csr(CVMX_L2C_ERR_TTGX(tad), err_ttgx_reset.u64);
+}
+
+static void octeon_l2c_poll_oct2(struct edac_device_ctl_info *l2c)
+{
+ int i;
+ for (i = 0; i < l2c->nr_instances; i++)
+ _octeon_l2c_poll_oct2(l2c, i);
}
-static int __devinit co_l2c_probe(struct platform_device *pdev)
+static int octeon_l2c_probe(struct platform_device *pdev)
{
struct edac_device_ctl_info *l2c;
- union cvmx_l2t_err l2t_err;
- int res = 0;
- l2c = edac_device_alloc_ctl_info(0, "l2c", 1, NULL, 0, 0,
+ int num_tads = OCTEON_IS_MODEL(OCTEON_CN68XX) ? 4 : 1;
+
+ /* 'Tags' are block 0, 'Data' is block 1*/
+ l2c = edac_device_alloc_ctl_info(0, "l2c", num_tads, "l2c", 2, 0,
NULL, 0, edac_device_alloc_index());
if (!l2c)
return -ENOMEM;
l2c->mod_name = "octeon-l2c";
l2c->ctl_name = "octeon_l2c_err";
- l2c->edac_check = co_l2c_poll;
+
+
+ if (OCTEON_IS_MODEL(OCTEON_FAM_1_PLUS)) {
+ union cvmx_l2t_err l2t_err;
+ union cvmx_l2d_err l2d_err;
+
+ l2t_err.u64 = cvmx_read_csr(CVMX_L2T_ERR);
+ l2t_err.s.sec_intena = 0; /* We poll */
+ l2t_err.s.ded_intena = 0;
+ cvmx_write_csr(CVMX_L2T_ERR, l2t_err.u64);
+
+ l2d_err.u64 = cvmx_read_csr(CVMX_L2D_ERR);
+ l2d_err.s.sec_intena = 0; /* We poll */
+ l2d_err.s.ded_intena = 0;
+ cvmx_write_csr(CVMX_L2T_ERR, l2d_err.u64);
+
+ l2c->edac_check = octeon_l2c_poll_oct1;
+ } else {
+ /* OCTEON II */
+ l2c->edac_check = octeon_l2c_poll_oct2;
+ }
if (edac_device_add_device(l2c) > 0) {
pr_err("%s: edac_device_add_device() failed\n", __func__);
goto err;
}
- l2t_err.u64 = cvmx_read_csr(CVMX_L2T_ERR);
- l2t_err.s.sec_intena = 0; /* We poll */
- l2t_err.s.ded_intena = 0;
- l2t_err.s.sec_err = 1; /* Clear, just in case */
- l2t_err.s.ded_err = 1;
- cvmx_write_csr(CVMX_L2T_ERR, l2t_err.u64);
return 0;
err:
edac_device_free_ctl_info(l2c);
- return res;
+ return -ENXIO;
}
-static int co_l2c_remove(struct platform_device *pdev)
+static int octeon_l2c_remove(struct platform_device *pdev)
{
struct edac_device_ctl_info *l2c = platform_get_drvdata(pdev);
return 0;
}
-static struct platform_driver co_l2c_driver = {
- .probe = co_l2c_probe,
- .remove = co_l2c_remove,
+static struct platform_driver octeon_l2c_driver = {
+ .probe = octeon_l2c_probe,
+ .remove = octeon_l2c_remove,
.driver = {
- .name = "co_l2c_edac",
+ .name = "octeon_l2c_edac",
}
};
-
-static int __init co_edac_init(void)
-{
- int ret;
-
- ret = platform_driver_register(&co_l2c_driver);
- if (ret)
- pr_warning(EDAC_MOD_STR " EDAC failed to register\n");
-
- return ret;
-}
-
-static void __exit co_edac_exit(void)
-{
- platform_driver_unregister(&co_l2c_driver);
-}
-
-module_init(co_edac_init);
-module_exit(co_edac_exit);
+module_platform_driver(octeon_l2c_driver);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>");
projects / ~andy / linux / blobdiff