diff options
Diffstat (limited to 'arch/arm/mach-omap2')
| -rw-r--r-- | arch/arm/mach-omap2/pdata-quirks.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c index 4e655ae2d507..1e9917c29958 100644 --- a/arch/arm/mach-omap2/pdata-quirks.c +++ b/arch/arm/mach-omap2/pdata-quirks.c @@ -24,6 +24,9 @@ #include <linux/platform_data/iommu-omap.h> #include <linux/platform_data/wkup_m3.h> +#include <asm/siginfo.h> +#include <asm/signal.h> + #include "common.h" #include "common-board-devices.h" #include "dss-common.h" @@ -382,6 +385,29 @@ static void __init omap3_pandora_legacy_init(void) } #endif /* CONFIG_ARCH_OMAP3 */ +#ifdef CONFIG_SOC_TI81XX +static int fault_fixed_up; + +static int t410_abort_handler(unsigned long addr, unsigned int fsr, + struct pt_regs *regs) +{ + if ((fsr == 0x406 || fsr == 0xc06) && !fault_fixed_up) { + pr_warn("External imprecise Data abort at addr=%#lx, fsr=%#x ignored.\n", + addr, fsr); + fault_fixed_up = 1; + return 0; + } + + return 1; +} + +static void __init t410_abort_init(void) +{ + hook_fault_code(16 + 6, t410_abort_handler, SIGBUS, BUS_OBJERR, + "imprecise external abort"); +} +#endif + #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) static struct iommu_platform_data omap4_iommu_pdata = { .reset_name = "mmu_cache", @@ -510,6 +536,9 @@ static struct pdata_init pdata_quirks[] __initdata = { { "openpandora,omap3-pandora-600mhz", omap3_pandora_legacy_init, }, { "openpandora,omap3-pandora-1ghz", omap3_pandora_legacy_init, }, #endif +#ifdef CONFIG_SOC_TI81XX + { "hp,t410", t410_abort_init, }, +#endif #ifdef CONFIG_SOC_OMAP5 { "ti,omap5-uevm", omap5_uevm_legacy_init, }, #endif |