diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/sh/boards/shmin/setup.c | 12 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/irq/ipr.c | 19 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh3/setup-sh7709.c | 21 | ||||
| -rw-r--r-- | arch/sh/mm/Kconfig | 2 |
4 files changed, 50 insertions, 4 deletions
diff --git a/arch/sh/boards/shmin/setup.c b/arch/sh/boards/shmin/setup.c index a31a1d1e268..bed9ca653d3 100644 --- a/arch/sh/boards/shmin/setup.c +++ b/arch/sh/boards/shmin/setup.c @@ -12,12 +12,22 @@ #include <asm/irq.h> #include <asm/io.h> -#define PFC_PHCR 0xa400010e +#define PFC_PHCR 0xa400010eUL +#define INTC_ICR1 0xffd00000UL +#define INTC_IPRC 0xa4000016UL + +static struct ipr_data shmin_ipr_map[] = { + { .irq=32, .addr=INTC_IPRC, .shift= 0, .priority=0 }, + { .irq=33, .addr=INTC_IPRC, .shift= 4, .priority=0 }, + { .irq=34, .addr=INTC_IPRC, .shift= 8, .priority=8 }, + { .irq=35, .addr=INTC_IPRC, .shift=12, .priority=0 }, +}; static void __init init_shmin_irq(void) { ctrl_outw(0x2a00, PFC_PHCR); // IRQ0-3=IRQ ctrl_outw(0x0aaa, INTC_ICR1); // IRQ0-3=IRQ-mode,Low-active. + make_ipr_irq(shmin_ipr_map, ARRAY_SIZE(shmin_ipr_map)); } static void __iomem *shmin_ioport_map(unsigned long port, unsigned int size) diff --git a/arch/sh/kernel/cpu/irq/ipr.c b/arch/sh/kernel/cpu/irq/ipr.c index 35eb5751a3a..210280b6fdd 100644 --- a/arch/sh/kernel/cpu/irq/ipr.c +++ b/arch/sh/kernel/cpu/irq/ipr.c @@ -43,16 +43,29 @@ static struct irq_chip ipr_irq_chip = { .mask_ack = disable_ipr_irq, }; +unsigned int map_ipridx_to_addr(int idx) __attribute__ ((weak)); +unsigned int map_ipridx_to_addr(int idx) +{ + return 0; +} + void make_ipr_irq(struct ipr_data *table, unsigned int nr_irqs) { int i; for (i = 0; i < nr_irqs; i++) { unsigned int irq = table[i].irq; - table[i].addr = map_ipridx_to_addr(table[i].ipr_idx); + + if (!irq) + irq = table[i].irq = i; + /* could the IPR index be mapped, if not we ignore this */ - if (table[i].addr == 0) - continue; + if (!table[i].addr) { + table[i].addr = map_ipridx_to_addr(table[i].ipr_idx); + if (!table[i].addr) + continue; + } + disable_irq_nosync(irq); set_irq_chip_and_handler_name(irq, &ipr_irq_chip, handle_level_irq, "level"); diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7709.c b/arch/sh/kernel/cpu/sh3/setup-sh7709.c index ff43ef2a1f0..dc9b211cf87 100644 --- a/arch/sh/kernel/cpu/sh3/setup-sh7709.c +++ b/arch/sh/kernel/cpu/sh3/setup-sh7709.c @@ -51,3 +51,24 @@ static int __init sh7709_devices_setup(void) ARRAY_SIZE(sh7709_devices)); } __initcall(sh7709_devices_setup); + +#define IPRx(A,N) .addr=A, .shift=0*N*-1 +#define IPRA(N) IPRx(0xfffffee2UL,N) +#define IPRB(N) IPRx(0xfffffee4UL,N) +#define IPRE(N) IPRx(0xa400001aUL,N) + +static struct ipr_data sh7709_ipr_map[] = { + [16] = { IPRA(15-12), 2 }, /* TMU TUNI0 */ + [17] = { IPRA(11-8), 4 }, /* TMU TUNI1 */ + [22] = { IPRA(3-0), 2 }, /* RTC CUI */ + [23 ... 26] = { IPRB(7-4), 3 }, /* SCI */ + [27] = { IPRB(15-12), 2 }, /* WDT ITI */ + [48 ... 51] = { IPRE(15-12), 7 }, /* DMA */ + [52 ... 55] = { IPRE(11-8), 3 }, /* IRDA */ + [56 ... 59] = { IPRE(7-4), 3 }, /* SCIF */ +}; + +void __init init_IRQ_ipr() +{ + make_ipr_irq(sh7709_ipr_map, ARRAY_SIZE(sh7709_ipr_map)); +} diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index 29f4ee35c6d..fddf6680ec4 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -72,6 +72,7 @@ config CPU_SUBTYPE_SH7705 config CPU_SUBTYPE_SH7706 bool "Support SH7706 processor" select CPU_SH3 + select CPU_HAS_IPR_IRQ help Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU. @@ -92,6 +93,7 @@ config CPU_SUBTYPE_SH7708 config CPU_SUBTYPE_SH7709 bool "Support SH7709 processor" select CPU_SH3 + select CPU_HAS_IPR_IRQ select CPU_HAS_PINT_IRQ help Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU. |