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Diffstat (limited to 'arch/sh/boards/se/7343/irq.c')
-rw-r--r--arch/sh/boards/se/7343/irq.c202
1 files changed, 0 insertions, 202 deletions
diff --git a/arch/sh/boards/se/7343/irq.c b/arch/sh/boards/se/7343/irq.c
deleted file mode 100644
index 763f6deba814..000000000000
--- a/arch/sh/boards/se/7343/irq.c
+++ /dev/null
@@ -1,202 +0,0 @@
-/*
- * arch/sh/boards/se/7343/irq.c
- *
- */
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <asm/irq.h>
-#include <asm/io.h>
-#include <asm/mach/se7343.h>
-
-static void
-disable_intreq_irq(unsigned int irq)
-{
- int bit = irq - OFFCHIP_IRQ_BASE;
- u16 val;
-
- val = ctrl_inw(PA_CPLD_IMSK);
- val |= 1 << bit;
- ctrl_outw(val, PA_CPLD_IMSK);
-}
-
-static void
-enable_intreq_irq(unsigned int irq)
-{
- int bit = irq - OFFCHIP_IRQ_BASE;
- u16 val;
-
- val = ctrl_inw(PA_CPLD_IMSK);
- val &= ~(1 << bit);
- ctrl_outw(val, PA_CPLD_IMSK);
-}
-
-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 = "FPGA-IRQ",
- .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
-};
-
-static 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)
-{
- int bit;
- volatile u16 val;
-
- if (irq == IRQ5_IRQ) {
- /* Read status Register */
- val = ctrl_inw(PA_CPLD_ST);
- bit = ffs(val);
- if (bit != 0)
- return OFFCHIP_IRQ_BASE + bit - 1;
- }
- return irq;
-}
-
-/* IRQ5 is multiplexed between the following sources:
- * 1. PC Card socket
- * 2. Extension slot
- * 3. USB Controller
- * 4. Serial Controller
- *
- * We configure IRQ5 as a cascade IRQ.
- */
-static struct irqaction irq5 = {
- .handler = no_action,
- .mask = CPU_MASK_NONE,
- .name = "IRQ5-cascade",
-};
-
-static struct ipr_data se7343_irq5_ipr_map[] = {
- { IRQ5_IRQ, IRQ5_IPR_ADDR+2, IRQ5_IPR_POS, IRQ5_PRIORITY },
-};
-static struct ipr_data se7343_siof0_vpu_ipr_map[] = {
- { SIOF0_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY },
- { VPU_IRQ, VPU_IPR_ADDR, VPU_IPR_POS, 8 },
-};
-static struct ipr_data se7343_other_ipr_map[] = {
- { DMTE0_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY },
- { DMTE1_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY },
- { DMTE2_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY },
- { DMTE3_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY },
- { DMTE4_IRQ, DMA2_IPR_ADDR, DMA2_IPR_POS, DMA2_PRIORITY },
- { DMTE5_IRQ, DMA2_IPR_ADDR, DMA2_IPR_POS, DMA2_PRIORITY },
-
- /* I2C block */
- { IIC0_ALI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, IIC0_PRIORITY },
- { IIC0_TACKI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, IIC0_PRIORITY },
- { IIC0_WAITI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, IIC0_PRIORITY },
- { IIC0_DTEI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, IIC0_PRIORITY },
-
- { IIC1_ALI_IRQ, IIC1_IPR_ADDR, IIC1_IPR_POS, IIC1_PRIORITY },
- { IIC1_TACKI_IRQ, IIC1_IPR_ADDR, IIC1_IPR_POS, IIC1_PRIORITY },
- { IIC1_WAITI_IRQ, IIC1_IPR_ADDR, IIC1_IPR_POS, IIC1_PRIORITY },
- { IIC1_DTEI_IRQ, IIC1_IPR_ADDR, IIC1_IPR_POS, IIC1_PRIORITY },
-
- /* SIOF */
- { SIOF0_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY },
-
- /* SIU */
- { SIU_IRQ, SIU_IPR_ADDR, SIU_IPR_POS, SIU_PRIORITY },
-
- /* VIO interrupt */
- { CEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY },
- { BEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY },
- { VEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY },
-
- /*MFI interrupt*/
-
- { MFI_IRQ, MFI_IPR_ADDR, MFI_IPR_POS, MFI_PRIORITY },
-
- /* LCD controller */
- { LCDC_IRQ, LCDC_IPR_ADDR, LCDC_IPR_POS, LCDC_PRIORITY },
-};
-
-/*
- * Initialize IRQ setting
- */
-void __init
-init_7343se_IRQ(void)
-{
- /* Setup Multiplexed interrupts */
- ctrl_outw(8, PA_CPLD_MODESET); /* Set all CPLD interrupts to active
- * low.
- */
- /* Mask all CPLD controller interrupts */
- ctrl_outw(0x0fff, PA_CPLD_IMSK);
-
- /* PC Card interrupts */
- make_intreq_irq(PC_IRQ0);
- make_intreq_irq(PC_IRQ1);
- make_intreq_irq(PC_IRQ2);
- make_intreq_irq(PC_IRQ3);
-
- /* Extension Slot Interrupts */
- make_intreq_irq(EXT_IRQ0);
- make_intreq_irq(EXT_IRQ1);
- make_intreq_irq(EXT_IRQ2);
- make_intreq_irq(EXT_IRQ3);
-
- /* USB Controller interrupts */
- make_intreq_irq(USB_IRQ0);
- make_intreq_irq(USB_IRQ1);
-
- /* Serial Controller interrupts */
- make_intreq_irq(UART_IRQ0);
- make_intreq_irq(UART_IRQ1);
-
- /* Setup all external interrupts to be active low */
- ctrl_outw(0xaaaa, INTC_ICR1);
-
- make_ipr_irq(se7343_irq5_ipr_map, ARRAY_SIZE(se7343_irq5_ipr_map));
-
- setup_irq(IRQ5_IRQ, &irq5);
- /* Set port control to use IRQ5 */
- *(u16 *)0xA4050108 &= ~0xc;
-
- make_ipr_irq(se7343_siof0_vpu_ipr_map, ARRAY_SIZE(se7343_siof0_vpu_ipr_map));
-
- ctrl_outb(0x0f, INTC_IMCR5); /* enable SCIF IRQ */
-
- make_ipr_irq(se7343_other_ipr_map, ARRAY_SIZE(se7343_other_ipr_map));
-
- ctrl_outw(0x2000, PA_MRSHPC + 0x0c); /* mrshpc irq enable */
-}