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>
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 34e8a72..67700e6 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -103,12 +103,13 @@
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 @@
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 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 @@
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 @@
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 @@
} 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();