diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/cavium-octeon/setup.c | 30 | ||||
| -rw-r--r-- | arch/mips/mm/c-octeon.c | 39 | ||||
| -rw-r--r-- | arch/mips/pci/pci-octeon.c | 3 |
3 files changed, 58 insertions, 14 deletions
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c index 7c2b7aab77ba..d7e0a09f77c2 100644 --- a/arch/mips/cavium-octeon/setup.c +++ b/arch/mips/cavium-octeon/setup.c @@ -1112,18 +1112,30 @@ void __init device_tree_init(void) unflatten_device_tree(); } +static int __initdata disable_octeon_edac_p; + +static int __init disable_octeon_edac(char *str) +{ + disable_octeon_edac_p = 1; + return 0; +} +early_param("disable_octeon_edac", disable_octeon_edac); + static char *edac_device_names[] = { - "co_l2c_edac", - "co_lmc_edac", - "co_pc_edac", + "octeon_l2c_edac", + "octeon_pc_edac", }; static int __init edac_devinit(void) { struct platform_device *dev; int i, err = 0; + int num_lmc; char *name; + if (disable_octeon_edac_p) + return 0; + for (i = 0; i < ARRAY_SIZE(edac_device_names); i++) { name = edac_device_names[i]; dev = platform_device_register_simple(name, -1, NULL, 0); @@ -1133,7 +1145,17 @@ static int __init edac_devinit(void) } } + num_lmc = OCTEON_IS_MODEL(OCTEON_CN68XX) ? 4 : + (OCTEON_IS_MODEL(OCTEON_CN56XX) ? 2 : 1); + for (i = 0; i < num_lmc; i++) { + dev = platform_device_register_simple("octeon_lmc_edac", + i, NULL, 0); + if (IS_ERR(dev)) { + pr_err("Registation of octeon_lmc_edac %d failed!\n", i); + err = PTR_ERR(dev); + } + } + return err; } - device_initcall(edac_devinit); diff --git a/arch/mips/mm/c-octeon.c b/arch/mips/mm/c-octeon.c index 9f67553762d5..6ec04daf4231 100644 --- a/arch/mips/mm/c-octeon.c +++ b/arch/mips/mm/c-octeon.c @@ -286,10 +286,9 @@ void __cpuinit octeon_cache_init(void) board_cache_error_setup = octeon_cache_error_setup; } -/** +/* * Handle a cache error exception */ - static RAW_NOTIFIER_HEAD(co_cache_error_chain); int register_co_cache_error_notifier(struct notifier_block *nb) @@ -304,14 +303,39 @@ int unregister_co_cache_error_notifier(struct notifier_block *nb) } EXPORT_SYMBOL_GPL(unregister_co_cache_error_notifier); -static inline int co_cache_error_call_notifiers(unsigned long val) +static void co_cache_error_call_notifiers(unsigned long val) { - return raw_notifier_call_chain(&co_cache_error_chain, val, NULL); + int rv = raw_notifier_call_chain(&co_cache_error_chain, val, NULL); + if ((rv & ~NOTIFY_STOP_MASK) != NOTIFY_OK) { + u64 dcache_err; + unsigned long coreid = cvmx_get_core_num(); + u64 icache_err = read_octeon_c0_icacheerr(); + + if (val) { + dcache_err = cache_err_dcache[coreid]; + cache_err_dcache[coreid] = 0; + } else { + dcache_err = read_octeon_c0_dcacheerr(); + } + + pr_err("Core%lu: Cache error exception:\n", coreid); + pr_err("cp0_errorepc == %lx\n", read_c0_errorepc()); + if (icache_err & 1) { + pr_err("CacheErr (Icache) == %llx\n", + (unsigned long long)icache_err); + write_octeon_c0_icacheerr(0); + } + if (dcache_err & 1) { + pr_err("CacheErr (Dcache) == %llx\n", + (unsigned long long)dcache_err); + } + } } -/** +/* * Called when the the exception is recoverable */ + asmlinkage void cache_parity_error_octeon_recoverable(void) { co_cache_error_call_notifiers(0); @@ -319,11 +343,8 @@ asmlinkage void cache_parity_error_octeon_recoverable(void) /** * Called when the the exception is not recoverable - * - * The issue not that the cache error exception itself was non-recoverable - * but that due to nesting of exception may have lost some state so can't - * continue. */ + asmlinkage void cache_parity_error_octeon_non_recoverable(void) { co_cache_error_call_notifiers(1); diff --git a/arch/mips/pci/pci-octeon.c b/arch/mips/pci/pci-octeon.c index 8eb2ee345d03..5b5ed76c6f47 100644 --- a/arch/mips/pci/pci-octeon.c +++ b/arch/mips/pci/pci-octeon.c @@ -705,7 +705,8 @@ static int __init octeon_pci_setup(void) */ cvmx_write_csr(CVMX_NPI_PCI_INT_SUM2, -1); - if (IS_ERR(platform_device_register_simple("co_pci_edac", 0, NULL, 0))) + if (IS_ERR(platform_device_register_simple("octeon_pci_edac", + -1, NULL, 0))) pr_err("Registation of co_pci_edac failed!\n"); octeon_pci_dma_init(); |