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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>
hifive-unleashed-5.1
Magnus Damm 2007-08-03 14:24:29 +09:00 committed by Paul Mundt
parent d59645d6ba
commit 2635e8558a
2 changed files with 5 additions and 25 deletions
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26
arch/sh/boards/shmin/setup.c
View File

@ -14,36 +14,12 @@
#define PFC_PHCR 0xa400010eUL
#define INTC_ICR1 0xa4000010UL
#define INTC_IPRC 0xa4000016UL
static struct ipr_data ipr_irq_table[] = {
{ 32, 0, 0, 0 },
{ 33, 0, 4, 0 },
{ 34, 0, 8, 8 },
{ 35, 0, 12, 0 },
};
static unsigned long ipr_offsets[] = {
INTC_IPRC,
};
static struct ipr_desc ipr_irq_desc = {
.ipr_offsets = ipr_offsets,
.nr_offsets = ARRAY_SIZE(ipr_offsets),
.ipr_data = ipr_irq_table,
.nr_irqs = ARRAY_SIZE(ipr_irq_table),
.chip = {
.name = "IPR-shmin",
},
};
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.
register_ipr_controller(&ipr_irq_desc);
plat_irq_setup_pins(IRQ_MODE_IRQ);
}
static void __iomem *shmin_ioport_map(unsigned long port, unsigned int size)

4
arch/sh/kernel/cpu/sh3/setup-sh770x.c
View File

@ -201,12 +201,16 @@ static int __init sh770x_devices_setup(void)
}
__initcall(sh770x_devices_setup);
#define INTC_ICR1 0xa4000010UL
#define INTC_ICR1_IRQLVL (1<<14)
void __init plat_irq_setup_pins(int mode)
{
if (mode == IRQ_MODE_IRQ) {
#if defined(CONFIG_CPU_SUBTYPE_SH7706) || \
defined(CONFIG_CPU_SUBTYPE_SH7707) || \
defined(CONFIG_CPU_SUBTYPE_SH7709)
ctrl_outw(ctrl_inw(INTC_ICR1) & ~INTC_ICR1_IRQLVL, INTC_ICR1);
register_intc_controller(&intc_desc_irq);
return;
#endif