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Blackfin arch: BF538/9 Linux kernel Support

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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>
This commit is contained in:
Michael Hennerich
2008-11-18 17:48:22 +08:00
committed by Bryan Wu
parent f940260a98
commit dc26aec25d
29 changed files with 10587 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
arch/blackfin/mach-common/ints-priority.c
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@@ -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();