android_kernel_xiaomi_sm8350/arch/sh/boards/se/73180/irq.c
Paul Mundt 3530570fd4 sh: Kill off dead code for SE and SystemH boards.
Some of these have suffered some bitrot, and so there is
some degree of dead code that has been left sitting around,
clean it up..

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
2006-09-27 13:28:23 +09:00

128 lines
3.0 KiB
C

/*
* arch/sh/boards/se/73180/irq.c
*
* Copyright (C) 2003 Takashi Kusuda <kusuda-takashi@hitachi-ul.co.jp>
* Based on arch/sh/boards/se/7300/irq.c
*
* Modified for SH-Mobile SolutionEngine 73180 Support
* by YOSHII Takashi <yoshii-takashi@hitachi-ul.co.jp>
*
*/
#include <linux/init.h>
#include <linux/irq.h>
#include <asm/irq.h>
#include <asm/io.h>
#include <asm/mach/se73180.h>
static int
irq2intreq(int irq)
{
if (irq == 10)
return 5;
return 7 - (irq - 32);
}
static void
disable_intreq_irq(unsigned int irq)
{
ctrl_outb(1 << (7 - irq2intreq(irq)), INTMSK0);
}
static void
enable_intreq_irq(unsigned int irq)
{
ctrl_outb(1 << (7 - irq2intreq(irq)), INTMSKCLR0);
}
static void
mask_and_ack_intreq_irq(unsigned int irq)
{
disable_intreq_irq(irq);
}
static unsigned int
startup_intreq_irq(unsigned int irq)
{
enable_intreq_irq(irq);
return 0;
}
static void
shutdown_intreq_irq(unsigned int irq)
{
disable_intreq_irq(irq);
}
static void
end_intreq_irq(unsigned int irq)
{
if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
enable_intreq_irq(irq);
}
static struct hw_interrupt_type intreq_irq_type = {
.typename = "intreq",
.startup = startup_intreq_irq,
.shutdown = shutdown_intreq_irq,
.enable = enable_intreq_irq,
.disable = disable_intreq_irq,
.ack = mask_and_ack_intreq_irq,
.end = end_intreq_irq
};
void
make_intreq_irq(unsigned int irq)
{
disable_irq_nosync(irq);
irq_desc[irq].chip = &intreq_irq_type;
disable_intreq_irq(irq);
}
int
shmse_irq_demux(int irq)
{
if (irq == IRQ5_IRQ)
return 10;
return irq;
}
/*
* Initialize IRQ setting
*/
void __init
init_73180se_IRQ(void)
{
make_ipr_irq(SIOF0_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY);
ctrl_outw(0x2000, 0xb03fffec); /* mrshpc irq enable */
ctrl_outw(0x2000, 0xb07fffec); /* mrshpc irq enable */
ctrl_outl(3 << ((7 - 5) * 4), INTC_INTPRI0); /* irq5 pri=3 */
ctrl_outw(2 << ((7 - 5) * 2), INTC_ICR1); /* low-level irq */
make_intreq_irq(10);
make_ipr_irq(VPU_IRQ, VPU_IPR_ADDR, VPU_IPR_POS, 8);
ctrl_outb(0x0f, INTC_IMCR5); /* enable SCIF IRQ */
make_ipr_irq(DMTE2_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY);
make_ipr_irq(DMTE3_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY);
make_ipr_irq(DMTE4_IRQ, DMA2_IPR_ADDR, DMA2_IPR_POS, DMA2_PRIORITY);
make_ipr_irq(IIC0_ALI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, IIC0_PRIORITY);
make_ipr_irq(IIC0_TACKI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS,
IIC0_PRIORITY);
make_ipr_irq(IIC0_WAITI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS,
IIC0_PRIORITY);
make_ipr_irq(IIC0_DTEI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, IIC0_PRIORITY);
make_ipr_irq(SIOF0_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY);
make_ipr_irq(SIU_IRQ, SIU_IPR_ADDR, SIU_IPR_POS, SIU_PRIORITY);
/* VIO interrupt */
make_ipr_irq(CEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY);
make_ipr_irq(BEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY);
make_ipr_irq(VEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY);
make_ipr_irq(LCDC_IRQ, LCDC_IPR_ADDR, LCDC_IPR_POS, LCDC_PRIORITY);
ctrl_outw(0x2000, PA_MRSHPC + 0x0c); /* mrshpc irq enable */
}