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Diffstat (limited to 'arch/arm/mach-shmobile/intc-sh7372.c')
-rw-r--r--arch/arm/mach-shmobile/intc-sh7372.c62
1 files changed, 38 insertions, 24 deletions
diff --git a/arch/arm/mach-shmobile/intc-sh7372.c b/arch/arm/mach-shmobile/intc-sh7372.c
index 89afcaba99a..a91caad7db7 100644
--- a/arch/arm/mach-shmobile/intc-sh7372.c
+++ b/arch/arm/mach-shmobile/intc-sh7372.c
@@ -19,10 +19,12 @@
#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>
#include <mach/intc.h>
+#include <mach/irqs.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -304,14 +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 */
@@ -425,8 +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 = {
@@ -489,9 +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 */
@@ -556,18 +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];
@@ -613,6 +624,9 @@ void sh7372_intcs_resume(void)
__raw_writeb(ffd5[k], intcs_ffd5 + k);
}
+#define E694_BASE IOMEM(0xe6940000)
+#define E695_BASE IOMEM(0xe6950000)
+
static unsigned short e694[0x200];
static unsigned short e695[0x200];
@@ -621,22 +635,22 @@ void sh7372_intca_suspend(void)
int k;
for (k = 0x00; k <= 0x38; k += 4)
- e694[k] = __raw_readw(0xe6940000 + k);
+ e694[k] = __raw_readw(E694_BASE + k);
for (k = 0x80; k <= 0xb4; k += 4)
- e694[k] = __raw_readb(0xe6940000 + k);
+ e694[k] = __raw_readb(E694_BASE + k);
for (k = 0x180; k <= 0x1b4; k += 4)
- e694[k] = __raw_readb(0xe6940000 + k);
+ e694[k] = __raw_readb(E694_BASE + k);
for (k = 0x00; k <= 0x50; k += 4)
- e695[k] = __raw_readw(0xe6950000 + k);
+ e695[k] = __raw_readw(E695_BASE + k);
for (k = 0x80; k <= 0xa8; k += 4)
- e695[k] = __raw_readb(0xe6950000 + k);
+ e695[k] = __raw_readb(E695_BASE + k);
for (k = 0x180; k <= 0x1a8; k += 4)
- e695[k] = __raw_readb(0xe6950000 + k);
+ e695[k] = __raw_readb(E695_BASE + k);
}
void sh7372_intca_resume(void)
@@ -644,20 +658,20 @@ void sh7372_intca_resume(void)
int k;
for (k = 0x00; k <= 0x38; k += 4)
- __raw_writew(e694[k], 0xe6940000 + k);
+ __raw_writew(e694[k], E694_BASE + k);
for (k = 0x80; k <= 0xb4; k += 4)
- __raw_writeb(e694[k], 0xe6940000 + k);
+ __raw_writeb(e694[k], E694_BASE + k);
for (k = 0x180; k <= 0x1b4; k += 4)
- __raw_writeb(e694[k], 0xe6940000 + k);
+ __raw_writeb(e694[k], E694_BASE + k);
for (k = 0x00; k <= 0x50; k += 4)
- __raw_writew(e695[k], 0xe6950000 + k);
+ __raw_writew(e695[k], E695_BASE + k);
for (k = 0x80; k <= 0xa8; k += 4)
- __raw_writeb(e695[k], 0xe6950000 + k);
+ __raw_writeb(e695[k], E695_BASE + k);
for (k = 0x180; k <= 0x1a8; k += 4)
- __raw_writeb(e695[k], 0xe6950000 + k);
+ __raw_writeb(e695[k], E695_BASE + k);
}