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authorMagnus Damm <damm@igel.co.jp>2007-08-03 01:24:29 -0400
committerPaul Mundt <lethal@linux-sh.org>2007-09-20 22:57:47 -0400
commit2635e8558a7ec0002724e3da8c0a221d2c08af33 (patch)
tree42b3c10234b64cff8cddea080ec553a4d24160f8 /arch/sh
parentd59645d6ba67337ff09369d9da4fc47f7dc361cc (diff)
sh: intc - remove redundant irq code for shmin
This patch removes redundant interrupt code for the shmin board which is using a sh770x processor and 4 IRQ lines as individual interrupts (IRQ-mode). Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/boards/shmin/setup.c26
-rw-r--r--arch/sh/kernel/cpu/sh3/setup-sh770x.c4
2 files changed, 5 insertions, 25 deletions
diff --git a/arch/sh/boards/shmin/setup.c b/arch/sh/boards/shmin/setup.c
index dfd124509f42..16e5dae8ecfb 100644
--- a/arch/sh/boards/shmin/setup.c
+++ b/arch/sh/boards/shmin/setup.c
@@ -14,36 +14,12 @@
14 14
15#define PFC_PHCR 0xa400010eUL 15#define PFC_PHCR 0xa400010eUL
16#define INTC_ICR1 0xa4000010UL 16#define INTC_ICR1 0xa4000010UL
17#define INTC_IPRC 0xa4000016UL
18
19static struct ipr_data ipr_irq_table[] = {
20 { 32, 0, 0, 0 },
21 { 33, 0, 4, 0 },
22 { 34, 0, 8, 8 },
23 { 35, 0, 12, 0 },
24};
25
26static unsigned long ipr_offsets[] = {
27 INTC_IPRC,
28};
29
30static struct ipr_desc ipr_irq_desc = {
31 .ipr_offsets = ipr_offsets,
32 .nr_offsets = ARRAY_SIZE(ipr_offsets),
33
34 .ipr_data = ipr_irq_table,
35 .nr_irqs = ARRAY_SIZE(ipr_irq_table),
36
37 .chip = {
38 .name = "IPR-shmin",
39 },
40};
41 17
42static void __init init_shmin_irq(void) 18static void __init init_shmin_irq(void)
43{ 19{
44 ctrl_outw(0x2a00, PFC_PHCR); // IRQ0-3=IRQ 20 ctrl_outw(0x2a00, PFC_PHCR); // IRQ0-3=IRQ
45 ctrl_outw(0x0aaa, INTC_ICR1); // IRQ0-3=IRQ-mode,Low-active. 21 ctrl_outw(0x0aaa, INTC_ICR1); // IRQ0-3=IRQ-mode,Low-active.
46 register_ipr_controller(&ipr_irq_desc); 22 plat_irq_setup_pins(IRQ_MODE_IRQ);
47} 23}
48 24
49static void __iomem *shmin_ioport_map(unsigned long port, unsigned int size) 25static void __iomem *shmin_ioport_map(unsigned long port, unsigned int size)
diff --git a/arch/sh/kernel/cpu/sh3/setup-sh770x.c b/arch/sh/kernel/cpu/sh3/setup-sh770x.c
index 97570c7fd780..eef505b43f0c 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh770x.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh770x.c
@@ -201,12 +201,16 @@ static int __init sh770x_devices_setup(void)
201} 201}
202__initcall(sh770x_devices_setup); 202__initcall(sh770x_devices_setup);
203 203
204#define INTC_ICR1 0xa4000010UL
205#define INTC_ICR1_IRQLVL (1<<14)
206
204void __init plat_irq_setup_pins(int mode) 207void __init plat_irq_setup_pins(int mode)
205{ 208{
206 if (mode == IRQ_MODE_IRQ) { 209 if (mode == IRQ_MODE_IRQ) {
207#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \ 210#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
208 defined(CONFIG_CPU_SUBTYPE_SH7707) || \ 211 defined(CONFIG_CPU_SUBTYPE_SH7707) || \
209 defined(CONFIG_CPU_SUBTYPE_SH7709) 212 defined(CONFIG_CPU_SUBTYPE_SH7709)
213 ctrl_outw(ctrl_inw(INTC_ICR1) & ~INTC_ICR1_IRQLVL, INTC_ICR1);
210 register_intc_controller(&intc_desc_irq); 214 register_intc_controller(&intc_desc_irq);
211 return; 215 return;
212#endif 216#endif