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Subject[PATCH 07/10] EDAC, altera: Add Arria10 USB EDAC support
Date
From: Thor Thayer <tthayer@opensource.altera.com>

Add Altera Arria10 USB FIFO memory EDAC support.

Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
---
drivers/edac/Kconfig | 7 +++++++
drivers/edac/altera_edac.c | 34 +++++++++++++++++++++++++++++++++-
2 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig
index d1fd57a..1966068 100644
--- a/drivers/edac/Kconfig
+++ b/drivers/edac/Kconfig
@@ -412,6 +412,13 @@ config EDAC_ALTERA_DMA
Support for error detection and correction on the
Altera DMA FIFO Memory for Altera SoCs.

+config EDAC_ALTERA_USB
+ bool "Altera USB FIFO ECC"
+ depends on EDAC_ALTERA=y && USB_DWC2
+ help
+ Support for error detection and correction on the
+ Altera USB FIFO Memory for Altera SoCs.
+
config EDAC_SYNOPSYS
tristate "Synopsys DDR Memory Controller"
depends on EDAC_MM_EDAC && ARCH_ZYNQ
diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c
index 6e4afbc..439d6cb 100644
--- a/drivers/edac/altera_edac.c
+++ b/drivers/edac/altera_edac.c
@@ -1339,6 +1339,33 @@ early_initcall(socfpga_init_dma_ecc);

#endif /* CONFIG_EDAC_ALTERA_DMA */

+/********************** USB Device Functions **********************/
+
+#ifdef CONFIG_EDAC_ALTERA_USB
+
+static const struct edac_device_prv_data a10_usbecc_data = {
+ .setup = altr_check_ecc_deps,
+ .ce_clear_mask = ALTR_A10_ECC_SERRPENA,
+ .ue_clear_mask = ALTR_A10_ECC_DERRPENA,
+ .dbgfs_name = "altr_trigger",
+ .ecc_enable_mask = ALTR_A10_COMMON_ECC_EN_CTL,
+ .ecc_en_ofst = ALTR_A10_ECC_CTRL_OFST,
+ .ce_set_mask = ALTR_A10_ECC_TSERRA,
+ .ue_set_mask = ALTR_A10_ECC_TDERRA,
+ .set_err_ofst = ALTR_A10_ECC_INTTEST_OFST,
+ .ecc_irq_handler = altr_edac_a10_ecc_irq,
+ .inject_fops = &altr_edac_a10_device_inject_fops,
+};
+
+static int __init socfpga_init_usb_ecc(void)
+{
+ return altr_init_a10_ecc_device_type("altr,socfpga-usb-ecc");
+}
+
+early_initcall(socfpga_init_usb_ecc);
+
+#endif /* CONFIG_EDAC_ALTERA_USB */
+
/********************* Arria10 EDAC Device Functions *************************/
static const struct of_device_id altr_edac_a10_device_of_match[] = {
#ifdef CONFIG_EDAC_ALTERA_L2C
@@ -1358,6 +1385,9 @@ static const struct of_device_id altr_edac_a10_device_of_match[] = {
#ifdef CONFIG_EDAC_ALTERA_DMA
{ .compatible = "altr,socfpga-dma-ecc", .data = &a10_dmaecc_data },
#endif
+#ifdef CONFIG_EDAC_ALTERA_USB
+ { .compatible = "altr,socfpga-usb-ecc", .data = &a10_usbecc_data },
+#endif
{},
};
MODULE_DEVICE_TABLE(of, altr_edac_a10_device_of_match);
@@ -1653,7 +1683,9 @@ static int altr_edac_a10_probe(struct platform_device *pdev)
(of_device_is_compatible(child,
"altr,socfpga-nand-ecc")) ||
(of_device_is_compatible(child,
- "altr,socfpga-dma-ecc")))
+ "altr,socfpga-dma-ecc")) ||
+ (of_device_is_compatible(child,
+ "altr,socfpga-usb-ecc")))
altr_edac_a10_device_add(edac, child);
else if (of_device_is_compatible(child,
"altr,sdram-edac-a10"))
--
1.7.9.5
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