edac_calxeda_for_3.13
-----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.15 (GNU/Linux) iQEcBAABAgAGBQJSg7ZlAAoJEOpSwMmQLO0fu+YIAItMQVKyThSxm4+uMui7qcnD EZST4MC2PhifRlAGs+hGI6mO2MBQhvkEyjVyKjvW8ytzMEXUvbjray1LCccpMyUJ /DDE+jze8/9/uPZakUM1vtNooozszt1E/ZHuvynUxR4aHgqo2rJABgS/KaV42el3 HRzFGTTseWxpP+2wTuDp2iBifR836efzTayJB0x9YIA4kaZLOEDnhDMbkEOcFacV Sl/qbHumKbonaTtsWx4oPy06ft6fFPxVtbv+IEUDlN/lKHV1xzjDksN9tERDITWx Ft453tdW4DtbFp+hZfq82t45qZCQGqop8L7ZB0G0c+cgIRjmiDAQqJlC4AaKIEE= =2z+E -----END PGP SIGNATURE----- Merge tag 'edac_calxeda_for_3.13' into edac-for-3.13 Pull Calxeda Highbank stuff from Robert Richter.
This commit is contained in:
commit
1446f17adf
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@ -1,7 +1,9 @@
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Calxeda DDR memory controller
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Properties:
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- compatible : Should be "calxeda,hb-ddr-ctrl"
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- compatible : Should be:
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- "calxeda,hb-ddr-ctrl" for ECX-1000
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- "calxeda,ecx-2000-ddr-ctrl" for ECX-2000
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- reg : Address and size for DDR controller registers.
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- interrupts : Interrupt for DDR controller.
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@ -3047,6 +3047,14 @@ W: bluesmoke.sourceforge.net
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S: Maintained
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F: drivers/edac/amd64_edac*
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EDAC-CALXEDA
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M: Doug Thompson <dougthompson@xmission.com>
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M: Robert Richter <rric@kernel.org>
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L: linux-edac@vger.kernel.org
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W: bluesmoke.sourceforge.net
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S: Maintained
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F: drivers/edac/highbank*
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EDAC-CAVIUM
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M: Ralf Baechle <ralf@linux-mips.org>
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M: David Daney <david.daney@cavium.com>
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@ -85,6 +85,12 @@
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<1 10 0xf08>;
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};
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memory-controller@fff00000 {
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compatible = "calxeda,ecx-2000-ddr-ctrl";
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reg = <0xfff00000 0x1000>;
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interrupts = <0 91 4>;
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};
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intc: interrupt-controller@fff11000 {
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compatible = "arm,cortex-a15-gic";
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#interrupt-cells = <3>;
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@ -45,12 +45,6 @@
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status = "disabled";
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};
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memory-controller@fff00000 {
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compatible = "calxeda,hb-ddr-ctrl";
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reg = <0xfff00000 0x1000>;
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interrupts = <0 91 4>;
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};
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ipc@fff20000 {
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compatible = "arm,pl320", "arm,primecell";
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reg = <0xfff20000 0x1000>;
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@ -86,6 +86,12 @@
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soc {
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ranges = <0x00000000 0x00000000 0xffffffff>;
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memory-controller@fff00000 {
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compatible = "calxeda,hb-ddr-ctrl";
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reg = <0xfff00000 0x1000>;
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interrupts = <0 91 4>;
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};
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timer@fff10600 {
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compatible = "arm,cortex-a9-twd-timer";
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reg = <0xfff10600 0x20>;
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@ -530,12 +530,9 @@ int edac_device_add_device(struct edac_device_ctl_info *edac_dev)
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/* Report action taken */
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edac_device_printk(edac_dev, KERN_INFO,
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"Giving out device to module '%s' controller "
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"'%s': DEV '%s' (%s)\n",
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edac_dev->mod_name,
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edac_dev->ctl_name,
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edac_dev_name(edac_dev),
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edac_op_state_to_string(edac_dev->op_state));
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"Giving out device to module %s controller %s: DEV %s (%s)\n",
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edac_dev->mod_name, edac_dev->ctl_name, edac_dev->dev_name,
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edac_op_state_to_string(edac_dev->op_state));
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mutex_unlock(&device_ctls_mutex);
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return 0;
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@ -788,8 +788,10 @@ int edac_mc_add_mc(struct mem_ctl_info *mci)
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}
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/* Report action taken */
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edac_mc_printk(mci, KERN_INFO, "Giving out device to '%s' '%s':"
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" DEV %s\n", mci->mod_name, mci->ctl_name, edac_dev_name(mci));
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edac_mc_printk(mci, KERN_INFO,
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"Giving out device to module %s controller %s: DEV %s (%s)\n",
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mci->mod_name, mci->ctl_name, mci->dev_name,
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edac_op_state_to_string(mci->op_state));
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edac_mc_owner = mci->mod_name;
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@ -358,11 +358,9 @@ int edac_pci_add_device(struct edac_pci_ctl_info *pci, int edac_idx)
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}
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edac_pci_printk(pci, KERN_INFO,
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"Giving out device to module '%s' controller '%s':"
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" DEV '%s' (%s)\n",
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pci->mod_name,
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pci->ctl_name,
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edac_dev_name(pci), edac_op_state_to_string(pci->op_state));
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"Giving out device to module %s controller %s: DEV %s (%s)\n",
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pci->mod_name, pci->ctl_name, pci->dev_name,
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edac_op_state_to_string(pci->op_state));
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mutex_unlock(&edac_pci_ctls_mutex);
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return 0;
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@ -50,8 +50,15 @@ static irqreturn_t highbank_l2_err_handler(int irq, void *dev_id)
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return IRQ_HANDLED;
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}
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static const struct of_device_id hb_l2_err_of_match[] = {
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{ .compatible = "calxeda,hb-sregs-l2-ecc", },
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{},
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};
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MODULE_DEVICE_TABLE(of, hb_l2_err_of_match);
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static int highbank_l2_err_probe(struct platform_device *pdev)
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{
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const struct of_device_id *id;
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struct edac_device_ctl_info *dci;
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struct hb_l2_drvdata *drvdata;
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struct resource *r;
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@ -90,28 +97,32 @@ static int highbank_l2_err_probe(struct platform_device *pdev)
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goto err;
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}
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id = of_match_device(hb_l2_err_of_match, &pdev->dev);
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dci->mod_name = pdev->dev.driver->name;
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dci->ctl_name = id ? id->compatible : "unknown";
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dci->dev_name = dev_name(&pdev->dev);
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if (edac_device_add_device(dci))
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goto err;
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drvdata->db_irq = platform_get_irq(pdev, 0);
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res = devm_request_irq(&pdev->dev, drvdata->db_irq,
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highbank_l2_err_handler,
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0, dev_name(&pdev->dev), dci);
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if (res < 0)
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goto err;
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goto err2;
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drvdata->sb_irq = platform_get_irq(pdev, 1);
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res = devm_request_irq(&pdev->dev, drvdata->sb_irq,
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highbank_l2_err_handler,
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0, dev_name(&pdev->dev), dci);
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if (res < 0)
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goto err;
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dci->mod_name = dev_name(&pdev->dev);
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dci->dev_name = dev_name(&pdev->dev);
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if (edac_device_add_device(dci))
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goto err;
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goto err2;
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devres_close_group(&pdev->dev, NULL);
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return 0;
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err2:
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edac_device_del_device(&pdev->dev);
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err:
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devres_release_group(&pdev->dev, NULL);
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edac_device_free_ctl_info(dci);
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@ -127,12 +138,6 @@ static int highbank_l2_err_remove(struct platform_device *pdev)
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return 0;
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}
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static const struct of_device_id hb_l2_err_of_match[] = {
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{ .compatible = "calxeda,hb-sregs-l2-ecc", },
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{},
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};
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MODULE_DEVICE_TABLE(of, hb_l2_err_of_match);
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static struct platform_driver highbank_l2_edac_driver = {
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.probe = highbank_l2_err_probe,
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.remove = highbank_l2_err_remove,
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@ -26,31 +26,40 @@
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#include "edac_module.h"
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/* DDR Ctrlr Error Registers */
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#define HB_DDR_ECC_OPT 0x128
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#define HB_DDR_ECC_U_ERR_ADDR 0x130
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#define HB_DDR_ECC_U_ERR_STAT 0x134
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#define HB_DDR_ECC_U_ERR_DATAL 0x138
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#define HB_DDR_ECC_U_ERR_DATAH 0x13c
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#define HB_DDR_ECC_C_ERR_ADDR 0x140
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#define HB_DDR_ECC_C_ERR_STAT 0x144
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#define HB_DDR_ECC_C_ERR_DATAL 0x148
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#define HB_DDR_ECC_C_ERR_DATAH 0x14c
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#define HB_DDR_ECC_INT_STATUS 0x180
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#define HB_DDR_ECC_INT_ACK 0x184
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#define HB_DDR_ECC_U_ERR_ID 0x424
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#define HB_DDR_ECC_C_ERR_ID 0x428
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#define HB_DDR_ECC_ERR_BASE 0x128
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#define MW_DDR_ECC_ERR_BASE 0x1b4
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#define HB_DDR_ECC_OPT 0x00
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#define HB_DDR_ECC_U_ERR_ADDR 0x08
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#define HB_DDR_ECC_U_ERR_STAT 0x0c
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#define HB_DDR_ECC_U_ERR_DATAL 0x10
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#define HB_DDR_ECC_U_ERR_DATAH 0x14
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#define HB_DDR_ECC_C_ERR_ADDR 0x18
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#define HB_DDR_ECC_C_ERR_STAT 0x1c
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#define HB_DDR_ECC_C_ERR_DATAL 0x20
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#define HB_DDR_ECC_C_ERR_DATAH 0x24
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#define HB_DDR_ECC_OPT_MODE_MASK 0x3
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#define HB_DDR_ECC_OPT_FWC 0x100
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#define HB_DDR_ECC_OPT_XOR_SHIFT 16
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/* DDR Ctrlr Interrupt Registers */
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#define HB_DDR_ECC_INT_BASE 0x180
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#define MW_DDR_ECC_INT_BASE 0x218
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#define HB_DDR_ECC_INT_STATUS 0x00
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#define HB_DDR_ECC_INT_ACK 0x04
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#define HB_DDR_ECC_INT_STAT_CE 0x8
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#define HB_DDR_ECC_INT_STAT_DOUBLE_CE 0x10
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#define HB_DDR_ECC_INT_STAT_UE 0x20
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#define HB_DDR_ECC_INT_STAT_DOUBLE_UE 0x40
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#define HB_DDR_ECC_OPT_MODE_MASK 0x3
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#define HB_DDR_ECC_OPT_FWC 0x100
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#define HB_DDR_ECC_OPT_XOR_SHIFT 16
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struct hb_mc_drvdata {
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void __iomem *mc_vbase;
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void __iomem *mc_err_base;
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void __iomem *mc_int_base;
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};
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static irqreturn_t highbank_mc_err_handler(int irq, void *dev_id)
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@ -60,10 +69,10 @@ static irqreturn_t highbank_mc_err_handler(int irq, void *dev_id)
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u32 status, err_addr;
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/* Read the interrupt status register */
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status = readl(drvdata->mc_vbase + HB_DDR_ECC_INT_STATUS);
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status = readl(drvdata->mc_int_base + HB_DDR_ECC_INT_STATUS);
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if (status & HB_DDR_ECC_INT_STAT_UE) {
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err_addr = readl(drvdata->mc_vbase + HB_DDR_ECC_U_ERR_ADDR);
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err_addr = readl(drvdata->mc_err_base + HB_DDR_ECC_U_ERR_ADDR);
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edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1,
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err_addr >> PAGE_SHIFT,
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err_addr & ~PAGE_MASK, 0,
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|
@ -71,9 +80,9 @@ static irqreturn_t highbank_mc_err_handler(int irq, void *dev_id)
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mci->ctl_name, "");
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}
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if (status & HB_DDR_ECC_INT_STAT_CE) {
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u32 syndrome = readl(drvdata->mc_vbase + HB_DDR_ECC_C_ERR_STAT);
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u32 syndrome = readl(drvdata->mc_err_base + HB_DDR_ECC_C_ERR_STAT);
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syndrome = (syndrome >> 8) & 0xff;
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err_addr = readl(drvdata->mc_vbase + HB_DDR_ECC_C_ERR_ADDR);
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err_addr = readl(drvdata->mc_err_base + HB_DDR_ECC_C_ERR_ADDR);
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edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1,
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err_addr >> PAGE_SHIFT,
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err_addr & ~PAGE_MASK, syndrome,
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|
@ -82,66 +91,79 @@ static irqreturn_t highbank_mc_err_handler(int irq, void *dev_id)
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}
|
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|
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/* clear the error, clears the interrupt */
|
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writel(status, drvdata->mc_vbase + HB_DDR_ECC_INT_ACK);
|
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writel(status, drvdata->mc_int_base + HB_DDR_ECC_INT_ACK);
|
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return IRQ_HANDLED;
|
||||
}
|
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|
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#ifdef CONFIG_EDAC_DEBUG
|
||||
static ssize_t highbank_mc_err_inject_write(struct file *file,
|
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const char __user *data,
|
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size_t count, loff_t *ppos)
|
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static void highbank_mc_err_inject(struct mem_ctl_info *mci, u8 synd)
|
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{
|
||||
struct mem_ctl_info *mci = file->private_data;
|
||||
struct hb_mc_drvdata *pdata = mci->pvt_info;
|
||||
char buf[32];
|
||||
size_t buf_size;
|
||||
u32 reg;
|
||||
|
||||
reg = readl(pdata->mc_err_base + HB_DDR_ECC_OPT);
|
||||
reg &= HB_DDR_ECC_OPT_MODE_MASK;
|
||||
reg |= (synd << HB_DDR_ECC_OPT_XOR_SHIFT) | HB_DDR_ECC_OPT_FWC;
|
||||
writel(reg, pdata->mc_err_base + HB_DDR_ECC_OPT);
|
||||
}
|
||||
|
||||
#define to_mci(k) container_of(k, struct mem_ctl_info, dev)
|
||||
|
||||
static ssize_t highbank_mc_inject_ctrl(struct device *dev,
|
||||
struct device_attribute *attr, const char *buf, size_t count)
|
||||
{
|
||||
struct mem_ctl_info *mci = to_mci(dev);
|
||||
u8 synd;
|
||||
|
||||
buf_size = min(count, (sizeof(buf)-1));
|
||||
if (copy_from_user(buf, data, buf_size))
|
||||
return -EFAULT;
|
||||
buf[buf_size] = 0;
|
||||
if (kstrtou8(buf, 16, &synd))
|
||||
return -EINVAL;
|
||||
|
||||
if (!kstrtou8(buf, 16, &synd)) {
|
||||
reg = readl(pdata->mc_vbase + HB_DDR_ECC_OPT);
|
||||
reg &= HB_DDR_ECC_OPT_MODE_MASK;
|
||||
reg |= (synd << HB_DDR_ECC_OPT_XOR_SHIFT) | HB_DDR_ECC_OPT_FWC;
|
||||
writel(reg, pdata->mc_vbase + HB_DDR_ECC_OPT);
|
||||
}
|
||||
highbank_mc_err_inject(mci, synd);
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
static const struct file_operations highbank_mc_debug_inject_fops = {
|
||||
.open = simple_open,
|
||||
.write = highbank_mc_err_inject_write,
|
||||
.llseek = generic_file_llseek,
|
||||
static DEVICE_ATTR(inject_ctrl, S_IWUSR, NULL, highbank_mc_inject_ctrl);
|
||||
|
||||
struct hb_mc_settings {
|
||||
int err_offset;
|
||||
int int_offset;
|
||||
};
|
||||
|
||||
static void highbank_mc_create_debugfs_nodes(struct mem_ctl_info *mci)
|
||||
{
|
||||
if (mci->debugfs)
|
||||
debugfs_create_file("inject_ctrl", S_IWUSR, mci->debugfs, mci,
|
||||
&highbank_mc_debug_inject_fops);
|
||||
;
|
||||
}
|
||||
#else
|
||||
static void highbank_mc_create_debugfs_nodes(struct mem_ctl_info *mci)
|
||||
{}
|
||||
#endif
|
||||
static struct hb_mc_settings hb_settings = {
|
||||
.err_offset = HB_DDR_ECC_ERR_BASE,
|
||||
.int_offset = HB_DDR_ECC_INT_BASE,
|
||||
};
|
||||
|
||||
static struct hb_mc_settings mw_settings = {
|
||||
.err_offset = MW_DDR_ECC_ERR_BASE,
|
||||
.int_offset = MW_DDR_ECC_INT_BASE,
|
||||
};
|
||||
|
||||
static struct of_device_id hb_ddr_ctrl_of_match[] = {
|
||||
{ .compatible = "calxeda,hb-ddr-ctrl", .data = &hb_settings },
|
||||
{ .compatible = "calxeda,ecx-2000-ddr-ctrl", .data = &mw_settings },
|
||||
{},
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, hb_ddr_ctrl_of_match);
|
||||
|
||||
static int highbank_mc_probe(struct platform_device *pdev)
|
||||
{
|
||||
const struct of_device_id *id;
|
||||
const struct hb_mc_settings *settings;
|
||||
struct edac_mc_layer layers[2];
|
||||
struct mem_ctl_info *mci;
|
||||
struct hb_mc_drvdata *drvdata;
|
||||
struct dimm_info *dimm;
|
||||
struct resource *r;
|
||||
void __iomem *base;
|
||||
u32 control;
|
||||
int irq;
|
||||
int res = 0;
|
||||
|
||||
id = of_match_device(hb_ddr_ctrl_of_match, &pdev->dev);
|
||||
if (!id)
|
||||
return -ENODEV;
|
||||
|
||||
layers[0].type = EDAC_MC_LAYER_CHIP_SELECT;
|
||||
layers[0].size = 1;
|
||||
layers[0].is_virt_csrow = true;
|
||||
|
@ -174,35 +196,31 @@ static int highbank_mc_probe(struct platform_device *pdev)
|
|||
goto err;
|
||||
}
|
||||
|
||||
drvdata->mc_vbase = devm_ioremap(&pdev->dev,
|
||||
r->start, resource_size(r));
|
||||
if (!drvdata->mc_vbase) {
|
||||
base = devm_ioremap(&pdev->dev, r->start, resource_size(r));
|
||||
if (!base) {
|
||||
dev_err(&pdev->dev, "Unable to map regs\n");
|
||||
res = -ENOMEM;
|
||||
goto err;
|
||||
}
|
||||
|
||||
control = readl(drvdata->mc_vbase + HB_DDR_ECC_OPT) & 0x3;
|
||||
settings = id->data;
|
||||
drvdata->mc_err_base = base + settings->err_offset;
|
||||
drvdata->mc_int_base = base + settings->int_offset;
|
||||
|
||||
control = readl(drvdata->mc_err_base + HB_DDR_ECC_OPT) & 0x3;
|
||||
if (!control || (control == 0x2)) {
|
||||
dev_err(&pdev->dev, "No ECC present, or ECC disabled\n");
|
||||
res = -ENODEV;
|
||||
goto err;
|
||||
}
|
||||
|
||||
irq = platform_get_irq(pdev, 0);
|
||||
res = devm_request_irq(&pdev->dev, irq, highbank_mc_err_handler,
|
||||
0, dev_name(&pdev->dev), mci);
|
||||
if (res < 0) {
|
||||
dev_err(&pdev->dev, "Unable to request irq %d\n", irq);
|
||||
goto err;
|
||||
}
|
||||
|
||||
mci->mtype_cap = MEM_FLAG_DDR3;
|
||||
mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED;
|
||||
mci->edac_cap = EDAC_FLAG_SECDED;
|
||||
mci->mod_name = dev_name(&pdev->dev);
|
||||
mci->mod_name = pdev->dev.driver->name;
|
||||
mci->mod_ver = "1";
|
||||
mci->ctl_name = dev_name(&pdev->dev);
|
||||
mci->ctl_name = id->compatible;
|
||||
mci->dev_name = dev_name(&pdev->dev);
|
||||
mci->scrub_mode = SCRUB_SW_SRC;
|
||||
|
||||
/* Only a single 4GB DIMM is supported */
|
||||
|
@ -217,10 +235,20 @@ static int highbank_mc_probe(struct platform_device *pdev)
|
|||
if (res < 0)
|
||||
goto err;
|
||||
|
||||
highbank_mc_create_debugfs_nodes(mci);
|
||||
irq = platform_get_irq(pdev, 0);
|
||||
res = devm_request_irq(&pdev->dev, irq, highbank_mc_err_handler,
|
||||
0, dev_name(&pdev->dev), mci);
|
||||
if (res < 0) {
|
||||
dev_err(&pdev->dev, "Unable to request irq %d\n", irq);
|
||||
goto err2;
|
||||
}
|
||||
|
||||
device_create_file(&mci->dev, &dev_attr_inject_ctrl);
|
||||
|
||||
devres_close_group(&pdev->dev, NULL);
|
||||
return 0;
|
||||
err2:
|
||||
edac_mc_del_mc(&pdev->dev);
|
||||
err:
|
||||
devres_release_group(&pdev->dev, NULL);
|
||||
edac_mc_free(mci);
|
||||
|
@ -231,17 +259,12 @@ static int highbank_mc_remove(struct platform_device *pdev)
|
|||
{
|
||||
struct mem_ctl_info *mci = platform_get_drvdata(pdev);
|
||||
|
||||
device_remove_file(&mci->dev, &dev_attr_inject_ctrl);
|
||||
edac_mc_del_mc(&pdev->dev);
|
||||
edac_mc_free(mci);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id hb_ddr_ctrl_of_match[] = {
|
||||
{ .compatible = "calxeda,hb-ddr-ctrl", },
|
||||
{},
|
||||
};
|
||||
MODULE_DEVICE_TABLE(of, hb_ddr_ctrl_of_match);
|
||||
|
||||
static struct platform_driver highbank_mc_edac_driver = {
|
||||
.probe = highbank_mc_probe,
|
||||
.remove = highbank_mc_remove,
|
||||
|
|
Loading…
Reference in a new issue