Commit f725b5ee authored by Takashi YOSHII's avatar Takashi YOSHII Committed by Paul Mundt
Browse files

sh: shmin updates.



This fixes up shmin (and SH7706/SH7708) IPR support for some of the
recent API changes.

Signed-off-by: default avatarTakashi YOSHII <takasi-y@ops.dti.ne.jp>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 2c081e71
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+11 −1
Original line number Diff line number Diff line
@@ -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)
+16 −3
Original line number Diff line number Diff line
@@ -43,16 +43,29 @@ static struct irq_chip ipr_irq_chip = {
	.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)
		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");
+21 −0
Original line number Diff line number Diff line
@@ -51,3 +51,24 @@ static int __init sh7709_devices_setup(void)
				    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));
}
+2 −0
Original line number Diff line number Diff line
@@ -72,6 +72,7 @@ config CPU_SUBTYPE_SH7705
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_SH7708
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.