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Diffstat (limited to 'arch/arm/mach-shmobile/intc-sh7372.c')
-rw-r--r--arch/arm/mach-shmobile/intc-sh7372.c34
1 files changed, 22 insertions, 12 deletions
diff --git a/arch/arm/mach-shmobile/intc-sh7372.c b/arch/arm/mach-shmobile/intc-sh7372.c
index 6447e0a..2587a22 100644
--- a/arch/arm/mach-shmobile/intc-sh7372.c
+++ b/arch/arm/mach-shmobile/intc-sh7372.c
@@ -19,6 +19,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/module.h>
#include <linux/irq.h>
#include <linux/io.h>
#include <linux/sh_intc.h>
@@ -305,14 +306,16 @@ static DECLARE_INTC_DESC(intca_desc, "sh7372-intca",
intca_mask_registers, intca_prio_registers,
NULL);
-INTC_IRQ_PINS_32(intca_irq_pins, 0xe6900000,
- INTC_VECT, "sh7372-intca-irq-pins");
+INTC_IRQ_PINS_16(intca_irq_pins_lo, 0xe6900000,
+ INTC_VECT, "sh7372-intca-irq-lo");
+
+INTC_IRQ_PINS_16H(intca_irq_pins_hi, 0xe6900000,
+ INTC_VECT, "sh7372-intca-irq-hi");
+
enum {
UNUSED_INTCS = 0,
ENABLED_INTCS,
- INTCS,
-
/* interrupt sources INTCS */
/* IRQ0S - IRQ31S */
@@ -426,8 +429,6 @@ static struct intc_vect intcs_vectors[] = {
INTCS_VECT(CPORTS2R, 0x1a20),
/* CEC */
INTCS_VECT(JPU6E, 0x1a80),
-
- INTC_VECT(INTCS, 0xf80),
};
static struct intc_group intcs_groups[] __initdata = {
@@ -490,9 +491,6 @@ static struct intc_mask_reg intcs_mask_registers[] = {
{ 0xffd5019c, 0xffd501dc, 8, /* IMR7SA3 / IMCR7SA3 */
{ MFIS2_INTCS, CPORTS2R, 0, 0,
JPU6E, 0, 0, 0 } },
- { 0xffd20104, 0, 16, /* INTAMASK */
- { 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, INTCS } },
};
/* Priority is needed for INTCA to receive the INTCS interrupt */
@@ -557,18 +555,30 @@ static void __iomem *intcs_ffd5;
void __init sh7372_init_irq(void)
{
void __iomem *intevtsa;
+ int n;
intcs_ffd2 = ioremap_nocache(0xffd20000, PAGE_SIZE);
intevtsa = intcs_ffd2 + 0x100;
intcs_ffd5 = ioremap_nocache(0xffd50000, PAGE_SIZE);
register_intc_controller(&intca_desc);
- register_intc_controller(&intca_irq_pins_desc);
+ register_intc_controller(&intca_irq_pins_lo_desc);
+ register_intc_controller(&intca_irq_pins_hi_desc);
register_intc_controller(&intcs_desc);
+ /* setup dummy cascade chip for INTCS */
+ n = evt2irq(0xf80);
+ irq_alloc_desc_at(n, numa_node_id());
+ irq_set_chip_and_handler_name(n, &dummy_irq_chip,
+ handle_level_irq, "level");
+ set_irq_flags(n, IRQF_VALID); /* yuck */
+
/* demux using INTEVTSA */
- irq_set_handler_data(evt2irq(0xf80), (void *)intevtsa);
- irq_set_chained_handler(evt2irq(0xf80), intcs_demux);
+ irq_set_handler_data(n, (void *)intevtsa);
+ irq_set_chained_handler(n, intcs_demux);
+
+ /* unmask INTCS in INTAMASK */
+ iowrite16(0, intcs_ffd2 + 0x104);
}
static unsigned short ffd2[0x200];