diff options
| -rw-r--r-- | arch/blackfin/mach-bf609/Kconfig | 8 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf609/Makefile | 2 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf609/include/mach/irq.h | 4 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf609/ints-priority.c | 156 | ||||
| -rw-r--r-- | arch/blackfin/mach-common/ints-priority.c | 21 |
5 files changed, 190 insertions, 1 deletions
diff --git a/arch/blackfin/mach-bf609/Kconfig b/arch/blackfin/mach-bf609/Kconfig index 2cb727243778..101b33ee9bba 100644 --- a/arch/blackfin/mach-bf609/Kconfig +++ b/arch/blackfin/mach-bf609/Kconfig @@ -51,6 +51,14 @@ config PINT5_ASSIGN endmenu +config SEC_IRQ_PRIORITY_LEVELS + int "SEC interrupt priority levels" + default 7 + range 0 7 + help + Devide the total number of interrupt priority levels into sub-levels. + There is 2 ^ (SEC_IRQ_PRIORITY_LEVELS + 1) different levels. + endmenu endif diff --git a/arch/blackfin/mach-bf609/Makefile b/arch/blackfin/mach-bf609/Makefile index 9a3d9f252c11..234fe1b4bb0e 100644 --- a/arch/blackfin/mach-bf609/Makefile +++ b/arch/blackfin/mach-bf609/Makefile @@ -2,5 +2,5 @@ # arch/blackfin/mach-bf609/Makefile # -obj-y := dma.o clock.o +obj-y := dma.o clock.o ints-priority.o obj-$(CONFIG_PM) += pm.o dpm.o diff --git a/arch/blackfin/mach-bf609/include/mach/irq.h b/arch/blackfin/mach-bf609/include/mach/irq.h index 0004552433b2..23e74cdeeee8 100644 --- a/arch/blackfin/mach-bf609/include/mach/irq.h +++ b/arch/blackfin/mach-bf609/include/mach/irq.h @@ -293,9 +293,13 @@ #define NR_MACH_IRQS (IRQ_PG15 + 1) +#define SEC_SCTL_PRIO_OFFSET 8 + #ifndef __ASSEMBLY__ #include <linux/types.h> +extern u8 sec_int_priority[]; + /* * bfin pint registers layout */ diff --git a/arch/blackfin/mach-bf609/ints-priority.c b/arch/blackfin/mach-bf609/ints-priority.c new file mode 100644 index 000000000000..f68abb9aa79e --- /dev/null +++ b/arch/blackfin/mach-bf609/ints-priority.c @@ -0,0 +1,156 @@ +/* + * Copyright 2007-2008 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + * + * Set up the interrupt priorities + */ + +#include <linux/module.h> +#include <linux/irq.h> +#include <asm/blackfin.h> + +u8 sec_int_priority[] = { + 255, /* IRQ_SEC_ERR */ + 255, /* IRQ_CGU_EVT */ + 254, /* IRQ_WATCH0 */ + 254, /* IRQ_WATCH1 */ + 253, /* IRQ_L2CTL0_ECC_ERR */ + 253, /* IRQ_L2CTL0_ECC_WARN */ + 253, /* IRQ_C0_DBL_FAULT */ + 253, /* IRQ_C1_DBL_FAULT */ + 252, /* IRQ_C0_HW_ERR */ + 252, /* IRQ_C1_HW_ERR */ + 255, /* IRQ_C0_NMI_L1_PARITY_ERR */ + 255, /* IRQ_C1_NMI_L1_PARITY_ERR */ + + 50, /* IRQ_TIMER0 */ + 50, /* IRQ_TIMER1 */ + 50, /* IRQ_TIMER2 */ + 50, /* IRQ_TIMER3 */ + 50, /* IRQ_TIMER4 */ + 50, /* IRQ_TIMER5 */ + 50, /* IRQ_TIMER6 */ + 50, /* IRQ_TIMER7 */ + 50, /* IRQ_TIMER_STAT */ + 0, /* IRQ_PINT0 */ + 0, /* IRQ_PINT1 */ + 0, /* IRQ_PINT2 */ + 0, /* IRQ_PINT3 */ + 0, /* IRQ_PINT4 */ + 0, /* IRQ_PINT5 */ + 0, /* IRQ_CNT */ + 50, /* RQ_PWM0_TRIP */ + 50, /* IRQ_PWM0_SYNC */ + 50, /* IRQ_PWM1_TRIP */ + 50, /* IRQ_PWM1_SYNC */ + 0, /* IRQ_TWI0 */ + 0, /* IRQ_TWI1 */ + 10, /* IRQ_SOFT0 */ + 10, /* IRQ_SOFT1 */ + 10, /* IRQ_SOFT2 */ + 10, /* IRQ_SOFT3 */ + 0, /* IRQ_ACM_EVT_MISS */ + 0, /* IRQ_ACM_EVT_COMPLETE */ + 0, /* IRQ_CAN0_RX */ + 0, /* IRQ_CAN0_TX */ + 0, /* IRQ_CAN0_STAT */ + 100, /* IRQ_SPORT0_TX */ + 100, /* IRQ_SPORT0_TX_STAT */ + 100, /* IRQ_SPORT0_RX */ + 100, /* IRQ_SPORT0_RX_STAT */ + 100, /* IRQ_SPORT1_TX */ + 100, /* IRQ_SPORT1_TX_STAT */ + 100, /* IRQ_SPORT1_RX */ + 100, /* IRQ_SPORT1_RX_STAT */ + 100, /* IRQ_SPORT2_TX */ + 100, /* IRQ_SPORT2_TX_STAT */ + 100, /* IRQ_SPORT2_RX */ + 100, /* IRQ_SPORT2_RX_STAT */ + 0, /* IRQ_SPI0_TX */ + 0, /* IRQ_SPI0_RX */ + 0, /* IRQ_SPI0_STAT */ + 0, /* IRQ_SPI1_TX */ + 0, /* IRQ_SPI1_RX */ + 0, /* IRQ_SPI1_STAT */ + 0, /* IRQ_RSI */ + 0, /* IRQ_RSI_INT0 */ + 0, /* IRQ_RSI_INT1 */ + 0, /* DMA11 Data (SDU) */ + 0, /* DMA12 Data (Reserved) */ + 0, /* Reserved */ + 0, /* Reserved */ + 30, /* IRQ_EMAC0_STAT */ + 0, /* EMAC0 Power (Reserved) */ + 30, /* IRQ_EMAC1_STAT */ + 0, /* EMAC1 Power (Reserved) */ + 0, /* IRQ_LP0 */ + 0, /* IRQ_LP0_STAT */ + 0, /* IRQ_LP1 */ + 0, /* IRQ_LP1_STAT */ + 0, /* IRQ_LP2 */ + 0, /* IRQ_LP2_STAT */ + 0, /* IRQ_LP3 */ + 0, /* IRQ_LP3_STAT */ + 0, /* IRQ_UART0_TX */ + 0, /* IRQ_UART0_RX */ + 0, /* IRQ_UART0_STAT */ + 0, /* IRQ_UART1_TX */ + 0, /* IRQ_UART1_RX */ + 0, /* IRQ_UART1_STAT */ + 0, /* IRQ_MDMA0_SRC_CRC0 */ + 0, /* IRQ_MDMA0_DEST_CRC0 */ + 0, /* IRQ_CRC0_DCNTEXP */ + 0, /* IRQ_CRC0_ERR */ + 0, /* IRQ_MDMA1_SRC_CRC1 */ + 0, /* IRQ_MDMA1_DEST_CRC1 */ + 0, /* IRQ_CRC1_DCNTEXP */ + 0, /* IRQ_CRC1_ERR */ + 0, /* IRQ_MDMA2_SRC */ + 0, /* IRQ_MDMA2_DEST */ + 0, /* IRQ_MDMA3_SRC */ + 0, /* IRQ_MDMA3_DEST */ + 120, /* IRQ_EPPI0_CH0 */ + 120, /* IRQ_EPPI0_CH1 */ + 120, /* IRQ_EPPI0_STAT */ + 120, /* IRQ_EPPI2_CH0 */ + 120, /* IRQ_EPPI2_CH1 */ + 120, /* IRQ_EPPI2_STAT */ + 120, /* IRQ_EPPI1_CH0 */ + 120, /* IRQ_EPPI1_CH1 */ + 120, /* IRQ_EPPI1_STAT */ + 120, /* IRQ_PIXC_CH0 */ + 120, /* IRQ_PIXC_CH1 */ + 120, /* IRQ_PIXC_CH2 */ + 120, /* IRQ_PIXC_STAT */ + 120, /* IRQ_PVP_CPDOB */ + 120, /* IRQ_PVP_CPDOC */ + 120, /* IRQ_PVP_CPSTAT */ + 120, /* IRQ_PVP_CPCI */ + 120, /* IRQ_PVP_STAT0 */ + 120, /* IRQ_PVP_MPDO */ + 120, /* IRQ_PVP_MPDI */ + 120, /* IRQ_PVP_MPSTAT */ + 120, /* IRQ_PVP_MPCI */ + 120, /* IRQ_PVP_CPDOA */ + 120, /* IRQ_PVP_STAT1 */ + 0, /* IRQ_USB_STAT */ + 0, /* IRQ_USB_DMA */ + 0, /* IRQ_TRU_INT0 */ + 0, /* IRQ_TRU_INT1 */ + 0, /* IRQ_TRU_INT2 */ + 0, /* IRQ_TRU_INT3 */ + 0, /* IRQ_DMAC0_ERROR */ + 0, /* IRQ_CGU0_ERROR */ + 0, /* Reserved */ + 0, /* IRQ_DPM */ + 0, /* Reserved */ + 0, /* IRQ_SWU0 */ + 0, /* IRQ_SWU1 */ + 0, /* IRQ_SWU2 */ + 0, /* IRQ_SWU3 */ + 0, /* IRQ_SWU4 */ + 0, /* IRQ_SWU4 */ + 0, /* IRQ_SWU6 */ +}; + diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c index a7e97a3607da..5a109a184021 100644 --- a/arch/blackfin/mach-common/ints-priority.c +++ b/arch/blackfin/mach-common/ints-priority.c @@ -310,6 +310,23 @@ static void bfin_sec_disable(struct irq_data *d) hard_local_irq_restore(flags); } +static void bfin_sec_set_priority(unsigned int sec_int_levels, u8 *sec_int_priority) +{ + unsigned long flags = hard_local_irq_save(); + uint32_t reg_sctl; + int i; + + bfin_write_SEC_SCI(0, SEC_CPLVL, sec_int_levels); + + for (i = 0; i < SYS_IRQS - BFIN_IRQ(0); i++) { + reg_sctl = bfin_read_SEC_SCTL(i) & ~SEC_SCTL_PRIO; + reg_sctl |= sec_int_priority[i] << SEC_SCTL_PRIO_OFFSET; + bfin_write_SEC_SCTL(i, reg_sctl); + } + + hard_local_irq_restore(flags); +} + static void bfin_sec_raise_irq(unsigned int sid) { unsigned long flags = hard_local_irq_save(); @@ -1534,6 +1551,10 @@ int __init init_arch_irq(void) printk(KERN_INFO "Configuring Blackfin Priority Driven Interrupts\n"); + bfin_sec_set_priority(CONFIG_SEC_IRQ_PRIORITY_LEVELS, sec_int_priority); + + bfin_sec_set_priority(CONFIG_SEC_IRQ_PRIORITY_LEVELS, sec_int_priority); + /* Enable interrupts IVG7-15 */ bfin_irq_flags |= IMASK_IVG15 | IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 | |