diff options
| author | Michael Hennerich <michael.hennerich@analog.com> | 2008-11-18 17:48:22 +0800 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2008-11-18 17:48:22 +0800 |
| commit | dc26aec25d1a4e2690df166dbe843344728994ce (patch) | |
| tree | 36717399eff88602af964f9f80814f9210698d95 /arch/blackfin/mach-common/ints-priority.c | |
| parent | f940260a980a1ad7570dfd7a4b73c6ad2207f738 (diff) | |
Blackfin arch: BF538/9 Linux kernel Support
Add supporing for Blackfin BF538 and BF539 processors.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/mach-common/ints-priority.c')
| -rw-r--r-- | arch/blackfin/mach-common/ints-priority.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c index 34e8a726ffda..67700e6c90c7 100644 --- a/arch/blackfin/mach-common/ints-priority.c +++ b/arch/blackfin/mach-common/ints-priority.c @@ -103,12 +103,13 @@ static void __init search_IAR(void) for (irqn = 0; irqn < NR_PERI_INTS; irqn++) { int iar_shift = (irqn & 7) * 4; if (ivg == (0xf & -#ifndef CONFIG_BF52x +#if defined(CONFIG_BF52x) || defined(CONFIG_BF538) || defined(CONFIG_BF539) bfin_read32((unsigned long *)SIC_IAR0 + - (irqn >> 3)) >> iar_shift)) { + ((irqn % 32) >> 3) + ((irqn / 32) * + ((SIC_IAR4 - SIC_IAR0) / 4))) >> iar_shift)) { #else bfin_read32((unsigned long *)SIC_IAR0 + - ((irqn%32) >> 3) + ((irqn / 32) * 16)) >> iar_shift)) { + (irqn >> 3)) >> iar_shift)) { #endif ivg_table[irq_pos].irqno = IVG7 + irqn; ivg_table[irq_pos].isrflag = 1 << (irqn % 32); @@ -537,6 +538,10 @@ static void bfin_demux_gpio_irq(unsigned int inta_irq, irq = IRQ_PH0; break; # endif +#elif defined(CONFIG_BF538) || defined(CONFIG_BF539) + case IRQ_PORTF_INTA: + irq = IRQ_PF0; + break; #elif defined(CONFIG_BF52x) case IRQ_PORTF_INTA: irq = IRQ_PF0; @@ -984,7 +989,7 @@ int __init init_arch_irq(void) int irq; unsigned long ilat = 0; /* Disable all the peripheral intrs - page 4-29 HW Ref manual */ -#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561) +#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561) || defined(BF538_FAMILY) bfin_write_SIC_IMASK0(SIC_UNMASK_ALL); bfin_write_SIC_IMASK1(SIC_UNMASK_ALL); # ifdef CONFIG_BF54x @@ -1037,7 +1042,10 @@ int __init init_arch_irq(void) case IRQ_PROG0_INTA: case IRQ_PROG1_INTA: case IRQ_PROG2_INTA: +#elif defined(CONFIG_BF538) || defined(CONFIG_BF539) + case IRQ_PORTF_INTA: #endif + set_irq_chained_handler(irq, bfin_demux_gpio_irq); break; @@ -1085,7 +1093,7 @@ int __init init_arch_irq(void) IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 | IMASK_IVG10 | IMASK_IVG9 | IMASK_IVG8 | IMASK_IVG7 | IMASK_IVGHW; -#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561) +#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561) || defined(BF538_FAMILY) bfin_write_SIC_IWR0(IWR_DISABLE_ALL); #if defined(CONFIG_BF52x) /* BF52x system reset does not properly reset SIC_IWR1 which @@ -1117,7 +1125,7 @@ void do_irq(int vec, struct pt_regs *fp) } else { struct ivgx *ivg = ivg7_13[vec - IVG7].ifirst; struct ivgx *ivg_stop = ivg7_13[vec - IVG7].istop; -#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561) +#if defined(CONFIG_BF54x) || defined(CONFIG_BF52x) || defined(CONFIG_BF561) || defined(BF538_FAMILY) unsigned long sic_status[3]; sic_status[0] = bfin_read_SIC_ISR0() & bfin_read_SIC_IMASK0(); |