diff options
Diffstat (limited to 'drivers/edac/altera_edac.c')
| -rw-r--r-- | drivers/edac/altera_edac.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c index 8816f74a22b4..b7bc8f020df8 100644 --- a/drivers/edac/altera_edac.c +++ b/drivers/edac/altera_edac.c @@ -1223,8 +1223,31 @@ static const struct edac_device_prv_data ocramecc_data = { .inject_fops = &altr_edac_device_inject_fops, }; +static int __maybe_unused +altr_check_ocram_deps_init(struct altr_edac_device_dev *device) +{ + void __iomem *base = device->base; + int ret; + + ret = altr_check_ecc_deps(device); + if (ret) + return ret; + + /* Verify OCRAM has been initialized */ + if (!ecc_test_bits(ALTR_A10_ECC_INITCOMPLETEA, + (base + ALTR_A10_ECC_INITSTAT_OFST))) + return -ENODEV; + + /* Enable IRQ on Single Bit Error */ + writel(ALTR_A10_ECC_SERRINTEN, (base + ALTR_A10_ECC_ERRINTENS_OFST)); + /* Ensure all writes complete */ + wmb(); + + return 0; +} + static const struct edac_device_prv_data a10_ocramecc_data = { - .setup = altr_check_ecc_deps, + .setup = altr_check_ocram_deps_init, .ce_clear_mask = ALTR_A10_ECC_SERRPENA, .ue_clear_mask = ALTR_A10_ECC_DERRPENA, .irq_status_mask = A10_SYSMGR_ECC_INTSTAT_OCRAM, @@ -1234,7 +1257,7 @@ static const struct edac_device_prv_data a10_ocramecc_data = { .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, + .inject_fops = &altr_edac_a10_device_inject2_fops, /* * OCRAM panic on uncorrectable error because sleep/resume * functions and FPGA contents are stored in OCRAM. Prefer |