sh: shmin updates.
This fixes up shmin (and SH7706/SH7708) IPR support for some of the
recent API changes.
Signed-off-by: Takashi YOSHII <takasi-y@ops.dti.ne.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/shmin/setup.c b/arch/sh/boards/shmin/setup.c
index a31a1d1..bed9ca6 100644
--- a/arch/sh/boards/shmin/setup.c
+++ b/arch/sh/boards/shmin/setup.c
@@ -12,12 +12,22 @@
#include <asm/irq.h>
#include <asm/io.h>
-#define PFC_PHCR 0xa400010e
+#define PFC_PHCR 0xa400010eUL
+#define INTC_ICR1 0xffd00000UL
+#define INTC_IPRC 0xa4000016UL
+
+static struct ipr_data shmin_ipr_map[] = {
+ { .irq=32, .addr=INTC_IPRC, .shift= 0, .priority=0 },
+ { .irq=33, .addr=INTC_IPRC, .shift= 4, .priority=0 },
+ { .irq=34, .addr=INTC_IPRC, .shift= 8, .priority=8 },
+ { .irq=35, .addr=INTC_IPRC, .shift=12, .priority=0 },
+};
static void __init init_shmin_irq(void)
{
ctrl_outw(0x2a00, PFC_PHCR); // IRQ0-3=IRQ
ctrl_outw(0x0aaa, INTC_ICR1); // IRQ0-3=IRQ-mode,Low-active.
+ make_ipr_irq(shmin_ipr_map, ARRAY_SIZE(shmin_ipr_map));
}
static void __iomem *shmin_ioport_map(unsigned long port, unsigned int size)
diff --git a/arch/sh/kernel/cpu/irq/ipr.c b/arch/sh/kernel/cpu/irq/ipr.c
index 35eb575..210280b 100644
--- a/arch/sh/kernel/cpu/irq/ipr.c
+++ b/arch/sh/kernel/cpu/irq/ipr.c
@@ -43,16 +43,29 @@
.mask_ack = disable_ipr_irq,
};
+unsigned int map_ipridx_to_addr(int idx) __attribute__ ((weak));
+unsigned int map_ipridx_to_addr(int idx)
+{
+ return 0;
+}
+
void make_ipr_irq(struct ipr_data *table, unsigned int nr_irqs)
{
int i;
for (i = 0; i < nr_irqs; i++) {
unsigned int irq = table[i].irq;
- table[i].addr = map_ipridx_to_addr(table[i].ipr_idx);
+
+ if (!irq)
+ irq = table[i].irq = i;
+
/* could the IPR index be mapped, if not we ignore this */
- if (table[i].addr == 0)
- continue;
+ if (!table[i].addr) {
+ table[i].addr = map_ipridx_to_addr(table[i].ipr_idx);
+ if (!table[i].addr)
+ continue;
+ }
+
disable_irq_nosync(irq);
set_irq_chip_and_handler_name(irq, &ipr_irq_chip,
handle_level_irq, "level");
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7709.c b/arch/sh/kernel/cpu/sh3/setup-sh7709.c
index ff43ef2..dc9b211 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7709.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7709.c
@@ -51,3 +51,24 @@
ARRAY_SIZE(sh7709_devices));
}
__initcall(sh7709_devices_setup);
+
+#define IPRx(A,N) .addr=A, .shift=0*N*-1
+#define IPRA(N) IPRx(0xfffffee2UL,N)
+#define IPRB(N) IPRx(0xfffffee4UL,N)
+#define IPRE(N) IPRx(0xa400001aUL,N)
+
+static struct ipr_data sh7709_ipr_map[] = {
+ [16] = { IPRA(15-12), 2 }, /* TMU TUNI0 */
+ [17] = { IPRA(11-8), 4 }, /* TMU TUNI1 */
+ [22] = { IPRA(3-0), 2 }, /* RTC CUI */
+ [23 ... 26] = { IPRB(7-4), 3 }, /* SCI */
+ [27] = { IPRB(15-12), 2 }, /* WDT ITI */
+ [48 ... 51] = { IPRE(15-12), 7 }, /* DMA */
+ [52 ... 55] = { IPRE(11-8), 3 }, /* IRDA */
+ [56 ... 59] = { IPRE(7-4), 3 }, /* SCIF */
+};
+
+void __init init_IRQ_ipr()
+{
+ make_ipr_irq(sh7709_ipr_map, ARRAY_SIZE(sh7709_ipr_map));
+}
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 29f4ee3..fddf668 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -72,6 +72,7 @@
config CPU_SUBTYPE_SH7706
bool "Support SH7706 processor"
select CPU_SH3
+ select CPU_HAS_IPR_IRQ
help
Select SH7706 if you have a 133 Mhz SH-3 HD6417706 CPU.
@@ -92,6 +93,7 @@
config CPU_SUBTYPE_SH7709
bool "Support SH7709 processor"
select CPU_SH3
+ select CPU_HAS_IPR_IRQ
select CPU_HAS_PINT_IRQ
help
Select SH7709 if you have a 80 Mhz SH-3 HD6417709 CPU.