diff options
Diffstat (limited to 'target/linux/atheros/patches-3.18/100-board.patch')
| -rw-r--r-- | target/linux/atheros/patches-3.18/100-board.patch | 142 |
1 files changed, 71 insertions, 71 deletions
diff --git a/target/linux/atheros/patches-3.18/100-board.patch b/target/linux/atheros/patches-3.18/100-board.patch index c28a1d81d9..1e39990a2b 100644 --- a/target/linux/atheros/patches-3.18/100-board.patch +++ b/target/linux/atheros/patches-3.18/100-board.patch @@ -1526,6 +1526,25 @@ +#include "devices.h" +#include "ar5312.h" + ++static irqreturn_t ar5312_ahb_err_handler(int cpl, void *dev_id) ++{ ++ u32 proc1 = ar231x_read_reg(AR5312_PROC1); ++ u32 proc_addr = ar231x_read_reg(AR5312_PROCADDR); /* clears error */ ++ u32 dma1 = ar231x_read_reg(AR5312_DMA1); ++ u32 dma_addr = ar231x_read_reg(AR5312_DMAADDR); /* clears error */ ++ ++ pr_emerg("AHB interrupt: PROCADDR=0x%8.8x PROC1=0x%8.8x DMAADDR=0x%8.8x DMA1=0x%8.8x\n", ++ proc_addr, proc1, dma_addr, dma1); ++ ++ machine_restart("AHB error"); /* Catastrophic failure */ ++ return IRQ_HANDLED; ++} ++ ++static struct irqaction ar5312_ahb_err_interrupt = { ++ .handler = ar5312_ahb_err_handler, ++ .name = "ar5312-ahb-error", ++}; ++ +static void ar5312_misc_irq_handler(unsigned irq, struct irq_desc *desc) +{ + unsigned int ar231x_misc_intrs = ar231x_read_reg(AR5312_ISR) & @@ -1544,26 +1563,6 @@ + spurious_interrupt(); +} + -+static void ar5312_irq_dispatch(void) -+{ -+ int pending = read_c0_status() & read_c0_cause(); -+ -+ if (pending & CAUSEF_IP2) -+ do_IRQ(AR5312_IRQ_WLAN0_INTRS); -+ else if (pending & CAUSEF_IP3) -+ do_IRQ(AR5312_IRQ_ENET0_INTRS); -+ else if (pending & CAUSEF_IP4) -+ do_IRQ(AR5312_IRQ_ENET1_INTRS); -+ else if (pending & CAUSEF_IP5) -+ do_IRQ(AR5312_IRQ_WLAN1_INTRS); -+ else if (pending & CAUSEF_IP6) -+ do_IRQ(AR5312_IRQ_MISC_INTRS); -+ else if (pending & CAUSEF_IP7) -+ do_IRQ(AR231X_IRQ_CPU_CLOCK); -+ else -+ spurious_interrupt(); -+} -+ +/* Enable the specified AR5312_MISC_IRQ interrupt */ +static void ar5312_misc_irq_unmask(struct irq_data *d) +{ @@ -1591,25 +1590,26 @@ + .irq_mask = ar5312_misc_irq_mask, +}; + -+static irqreturn_t ar5312_ahb_err_handler(int cpl, void *dev_id) ++static void ar5312_irq_dispatch(void) +{ -+ u32 proc1 = ar231x_read_reg(AR5312_PROC1); -+ u32 proc_addr = ar231x_read_reg(AR5312_PROCADDR); /* clears error */ -+ u32 dma1 = ar231x_read_reg(AR5312_DMA1); -+ u32 dma_addr = ar231x_read_reg(AR5312_DMAADDR); /* clears error */ -+ -+ pr_emerg("AHB interrupt: PROCADDR=0x%8.8x PROC1=0x%8.8x DMAADDR=0x%8.8x DMA1=0x%8.8x\n", -+ proc_addr, proc1, dma_addr, dma1); ++ int pending = read_c0_status() & read_c0_cause(); + -+ machine_restart("AHB error"); /* Catastrophic failure */ -+ return IRQ_HANDLED; ++ if (pending & CAUSEF_IP2) ++ do_IRQ(AR5312_IRQ_WLAN0_INTRS); ++ else if (pending & CAUSEF_IP3) ++ do_IRQ(AR5312_IRQ_ENET0_INTRS); ++ else if (pending & CAUSEF_IP4) ++ do_IRQ(AR5312_IRQ_ENET1_INTRS); ++ else if (pending & CAUSEF_IP5) ++ do_IRQ(AR5312_IRQ_WLAN1_INTRS); ++ else if (pending & CAUSEF_IP6) ++ do_IRQ(AR5312_IRQ_MISC_INTRS); ++ else if (pending & CAUSEF_IP7) ++ do_IRQ(AR231X_IRQ_CPU_CLOCK); ++ else ++ spurious_interrupt(); +} + -+static struct irqaction ar5312_ahb_err_interrupt = { -+ .handler = ar5312_ahb_err_handler, -+ .name = "ar5312-ahb-error", -+}; -+ +void __init ar5312_arch_init_irq(void) +{ + int i; @@ -1979,6 +1979,22 @@ +#include "devices.h" +#include "ar2315.h" + ++static irqreturn_t ar2315_ahb_err_handler(int cpl, void *dev_id) ++{ ++ ar231x_write_reg(AR2315_AHB_ERR0, AHB_ERROR_DET); ++ ar231x_read_reg(AR2315_AHB_ERR1); ++ ++ pr_emerg("AHB fatal error\n"); ++ machine_restart("AHB error"); /* Catastrophic failure */ ++ ++ return IRQ_HANDLED; ++} ++ ++static struct irqaction ar2315_ahb_err_interrupt = { ++ .handler = ar2315_ahb_err_handler, ++ .name = "ar2315-ahb-error", ++}; ++ +static void ar2315_misc_irq_handler(unsigned irq, struct irq_desc *desc) +{ + unsigned int misc_intr = ar231x_read_reg(AR2315_ISR) & @@ -2002,30 +2018,6 @@ + spurious_interrupt(); +} + -+/* -+ * Called when an interrupt is received, this function -+ * determines exactly which interrupt it was, and it -+ * invokes the appropriate handler. -+ * -+ * Implicitly, we also define interrupt priority by -+ * choosing which to dispatch first. -+ */ -+static void ar2315_irq_dispatch(void) -+{ -+ int pending = read_c0_status() & read_c0_cause(); -+ -+ if (pending & CAUSEF_IP3) -+ do_IRQ(AR2315_IRQ_WLAN0_INTRS); -+ else if (pending & CAUSEF_IP4) -+ do_IRQ(AR2315_IRQ_ENET0_INTRS); -+ else if (pending & CAUSEF_IP2) -+ do_IRQ(AR2315_IRQ_MISC_INTRS); -+ else if (pending & CAUSEF_IP7) -+ do_IRQ(AR231X_IRQ_CPU_CLOCK); -+ else -+ spurious_interrupt(); -+} -+ +static void ar2315_misc_irq_unmask(struct irq_data *d) +{ + unsigned int imr; @@ -2050,22 +2042,30 @@ + .irq_mask = ar2315_misc_irq_mask, +}; + -+static irqreturn_t ar2315_ahb_err_handler(int cpl, void *dev_id) ++/* ++ * Called when an interrupt is received, this function ++ * determines exactly which interrupt it was, and it ++ * invokes the appropriate handler. ++ * ++ * Implicitly, we also define interrupt priority by ++ * choosing which to dispatch first. ++ */ ++static void ar2315_irq_dispatch(void) +{ -+ ar231x_write_reg(AR2315_AHB_ERR0, AHB_ERROR_DET); -+ ar231x_read_reg(AR2315_AHB_ERR1); -+ -+ pr_emerg("AHB fatal error\n"); -+ machine_restart("AHB error"); /* Catastrophic failure */ ++ int pending = read_c0_status() & read_c0_cause(); + -+ return IRQ_HANDLED; ++ if (pending & CAUSEF_IP3) ++ do_IRQ(AR2315_IRQ_WLAN0_INTRS); ++ else if (pending & CAUSEF_IP4) ++ do_IRQ(AR2315_IRQ_ENET0_INTRS); ++ else if (pending & CAUSEF_IP2) ++ do_IRQ(AR2315_IRQ_MISC_INTRS); ++ else if (pending & CAUSEF_IP7) ++ do_IRQ(AR231X_IRQ_CPU_CLOCK); ++ else ++ spurious_interrupt(); +} + -+static struct irqaction ar2315_ahb_err_interrupt = { -+ .handler = ar2315_ahb_err_handler, -+ .name = "ar2315-ahb-error", -+}; -+ +void __init ar2315_arch_init_irq(void) +{ + int i; |