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-rw-r--r--arch/sh/boards/se/7722/irq.c96
-rw-r--r--arch/sh/boards/se/7722/setup.c5
-rw-r--r--arch/sh/configs/se7722_defconfig2
-rw-r--r--include/asm-sh/se7722.h40
4 files changed, 52 insertions, 91 deletions
diff --git a/arch/sh/boards/se/7722/irq.c b/arch/sh/boards/se/7722/irq.c
index 26cff0efda4..0b03f3f610b 100644
--- a/arch/sh/boards/se/7722/irq.c
+++ b/arch/sh/boards/se/7722/irq.c
@@ -16,95 +16,61 @@
#include <asm/io.h>
#include <asm/se7722.h>
-#define INTC_INTMSK0 0xFFD00044
-#define INTC_INTMSKCLR0 0xFFD00064
-
-struct se7722_data {
- unsigned char irq;
- unsigned char ipr_idx;
- unsigned char shift;
- unsigned short priority;
- unsigned long addr;
-};
-
-
static void disable_se7722_irq(unsigned int irq)
{
- struct se7722_data *p = get_irq_chip_data(irq);
- ctrl_outw( ctrl_inw( p->addr ) | p->priority , p->addr );
+ unsigned int bit = irq - SE7722_FPGA_IRQ_BASE;
+ ctrl_outw(ctrl_inw(IRQ01_MASK) | 1 << bit, IRQ01_MASK);
}
static void enable_se7722_irq(unsigned int irq)
{
- struct se7722_data *p = get_irq_chip_data(irq);
- ctrl_outw( ctrl_inw( p->addr ) & ~p->priority , p->addr );
+ unsigned int bit = irq - SE7722_FPGA_IRQ_BASE;
+ ctrl_outw(ctrl_inw(IRQ01_MASK) & ~(1 << bit), IRQ01_MASK);
}
static struct irq_chip se7722_irq_chip __read_mostly = {
- .name = "SE7722",
+ .name = "SE7722-FPGA",
.mask = disable_se7722_irq,
.unmask = enable_se7722_irq,
.mask_ack = disable_se7722_irq,
};
-static struct se7722_data ipr_irq_table[] = {
- /* irq ,idx,sft, priority , addr */
- { MRSHPC_IRQ0 , 0 , 0 , MRSHPC_BIT0 , IRQ01_MASK } ,
- { MRSHPC_IRQ1 , 0 , 0 , MRSHPC_BIT1 , IRQ01_MASK } ,
- { MRSHPC_IRQ2 , 0 , 0 , MRSHPC_BIT2 , IRQ01_MASK } ,
- { MRSHPC_IRQ3 , 0 , 0 , MRSHPC_BIT3 , IRQ01_MASK } ,
- { SMC_IRQ , 0 , 0 , SMC_BIT , IRQ01_MASK } ,
- { EXT_IRQ , 0 , 0 , EXT_BIT , IRQ01_MASK } ,
-};
-
-int se7722_irq_demux(int irq)
+static void se7722_irq_demux(unsigned int irq, struct irq_desc *desc)
{
+ unsigned short intv = ctrl_inw(IRQ01_STS);
+ struct irq_desc *ext_desc;
+ unsigned int ext_irq = SE7722_FPGA_IRQ_BASE;
+
+ intv &= (1 << SE7722_FPGA_IRQ_NR) - 1;
- if ((irq == IRQ0_IRQ)||(irq == IRQ1_IRQ)) {
- volatile unsigned short intv =
- *(volatile unsigned short *)IRQ01_STS;
- if (irq == IRQ0_IRQ){
- if(intv & SMC_BIT ) {
- return SMC_IRQ;
- } else if(intv & USB_BIT) {
- return USB_IRQ;
- } else {
- printk("intv =%04x\n", intv);
- return SMC_IRQ;
- }
- } else if(irq == IRQ1_IRQ){
- if(intv & MRSHPC_BIT0) {
- return MRSHPC_IRQ0;
- } else if(intv & MRSHPC_BIT1) {
- return MRSHPC_IRQ1;
- } else if(intv & MRSHPC_BIT2) {
- return MRSHPC_IRQ2;
- } else if(intv & MRSHPC_BIT3) {
- return MRSHPC_IRQ3;
- } else {
- printk("BIT_EXTENTION =%04x\n", intv);
- return EXT_IRQ;
- }
+ while (intv) {
+ if (intv & 1) {
+ ext_desc = irq_desc + ext_irq;
+ handle_level_irq(ext_irq, ext_desc);
}
+ intv >>= 1;
+ ext_irq++;
}
- return irq;
-
}
+
/*
* Initialize IRQ setting
*/
void __init init_se7722_IRQ(void)
{
- int i = 0;
+ int i;
+
+ ctrl_outw(0, IRQ01_MASK); /* disable all irqs */
ctrl_outw(0x2000, 0xb03fffec); /* mrshpc irq enable */
- ctrl_outl((3 << ((7 - 0) * 4))|(3 << ((7 - 1) * 4)), INTC_INTPRI0); /* irq0 pri=3,irq1,pri=3 */
- ctrl_outw((2 << ((7 - 0) * 2))|(2 << ((7 - 1) * 2)), INTC_ICR1); /* irq0,1 low-level irq */
- for (i = 0; i < ARRAY_SIZE(ipr_irq_table); i++) {
- disable_irq_nosync(ipr_irq_table[i].irq);
- set_irq_chip_and_handler_name( ipr_irq_table[i].irq, &se7722_irq_chip,
- handle_level_irq, "level");
- set_irq_chip_data( ipr_irq_table[i].irq, &ipr_irq_table[i] );
- disable_se7722_irq(ipr_irq_table[i].irq);
- }
+ for (i = 0; i < SE7722_FPGA_IRQ_NR; i++)
+ set_irq_chip_and_handler_name(SE7722_FPGA_IRQ_BASE + i,
+ &se7722_irq_chip,
+ handle_level_irq, "level");
+
+ set_irq_chained_handler(IRQ0_IRQ, se7722_irq_demux);
+ set_irq_type(IRQ0_IRQ, IRQ_TYPE_LEVEL_LOW);
+
+ set_irq_chained_handler(IRQ1_IRQ, se7722_irq_demux);
+ set_irq_type(IRQ1_IRQ, IRQ_TYPE_LEVEL_LOW);
}
diff --git a/arch/sh/boards/se/7722/setup.c b/arch/sh/boards/se/7722/setup.c
index 6cca6cbc806..495fc7e2b60 100644
--- a/arch/sh/boards/se/7722/setup.c
+++ b/arch/sh/boards/se/7722/setup.c
@@ -77,6 +77,7 @@ static struct resource cf_ide_resources[] = {
},
[2] = {
.start = MRSHPC_IRQ0,
+ .end = MRSHPC_IRQ0,
.flags = IORESOURCE_IRQ,
},
};
@@ -140,8 +141,6 @@ static void __init se7722_setup(char **cmdline_p)
static struct sh_machine_vector mv_se7722 __initmv = {
.mv_name = "Solution Engine 7722" ,
.mv_setup = se7722_setup ,
- .mv_nr_irqs = 109 ,
+ .mv_nr_irqs = SE7722_FPGA_IRQ_BASE + SE7722_FPGA_IRQ_NR,
.mv_init_irq = init_se7722_IRQ,
- .mv_irq_demux = se7722_irq_demux,
-
};
diff --git a/arch/sh/configs/se7722_defconfig b/arch/sh/configs/se7722_defconfig
index 122b67da73c..8e6a6baf5d2 100644
--- a/arch/sh/configs/se7722_defconfig
+++ b/arch/sh/configs/se7722_defconfig
@@ -200,7 +200,7 @@ CONFIG_CPU_LITTLE_ENDIAN=y
CONFIG_SH_DSP=y
CONFIG_SH_STORE_QUEUES=y
CONFIG_CPU_HAS_INTEVT=y
-CONFIG_CPU_HAS_IPR_IRQ=y
+CONFIG_CPU_HAS_INTC_IRQ=y
CONFIG_CPU_HAS_SR_RB=y
CONFIG_CPU_HAS_PTEA=y
diff --git a/include/asm-sh/se7722.h b/include/asm-sh/se7722.h
index b3b31e4725c..e0e89fcb838 100644
--- a/include/asm-sh/se7722.h
+++ b/include/asm-sh/se7722.h
@@ -81,36 +81,32 @@
/* IRQ */
#define IRQ0_IRQ 32
#define IRQ1_IRQ 33
-#define INTC_ICR0 0xA4140000UL
-#define INTC_ICR1 0xA414001CUL
-
-#define INTMSK0 0xa4140044
-#define INTMSKCLR0 0xa4140064
-#define INTC_INTPRI0 0xa4140010
#define IRQ01_MODE 0xb1800000
#define IRQ01_STS 0xb1800004
#define IRQ01_MASK 0xb1800008
-#define EXT_BIT (0x3fc0) /* SH IRQ1 */
-#define MRSHPC_BIT0 (0x0004) /* SH IRQ1 */
-#define MRSHPC_BIT1 (0x0008) /* SH IRQ1 */
-#define MRSHPC_BIT2 (0x0010) /* SH IRQ1 */
-#define MRSHPC_BIT3 (0x0020) /* SH IRQ1 */
-#define SMC_BIT (0x0002) /* SH IRQ0 */
-#define USB_BIT (0x0001) /* SH IRQ0 */
-
-#define MRSHPC_IRQ3 11
-#define MRSHPC_IRQ2 12
-#define MRSHPC_IRQ1 13
-#define MRSHPC_IRQ0 14
-#define SMC_IRQ 10
-#define EXT_IRQ 5
-#define USB_IRQ 6
+/* Bits in IRQ01_* registers */
+
+#define SE7722_FPGA_IRQ_USB 0 /* IRQ0 */
+#define SE7722_FPGA_IRQ_SMC 1 /* IRQ0 */
+#define SE7722_FPGA_IRQ_MRSHPC0 2 /* IRQ1 */
+#define SE7722_FPGA_IRQ_MRSHPC1 3 /* IRQ1 */
+#define SE7722_FPGA_IRQ_MRSHPC2 4 /* IRQ1 */
+#define SE7722_FPGA_IRQ_MRSHPC3 5 /* IRQ1 */
+
+#define SE7722_FPGA_IRQ_NR 6
+#define SE7722_FPGA_IRQ_BASE 110
+
+#define MRSHPC_IRQ3 (SE7722_FPGA_IRQ_BASE + SE7722_FPGA_IRQ_MRSHPC3)
+#define MRSHPC_IRQ2 (SE7722_FPGA_IRQ_BASE + SE7722_FPGA_IRQ_MRSHPC2)
+#define MRSHPC_IRQ1 (SE7722_FPGA_IRQ_BASE + SE7722_FPGA_IRQ_MRSHPC1)
+#define MRSHPC_IRQ0 (SE7722_FPGA_IRQ_BASE + SE7722_FPGA_IRQ_MRSHPC0)
+#define SMC_IRQ (SE7722_FPGA_IRQ_BASE + SE7722_FPGA_IRQ_SMC)
+#define USB_IRQ (SE7722_FPGA_IRQ_BASE + SE7722_FPGA_IRQ_USB)
/* arch/sh/boards/se/7722/irq.c */
void init_se7722_IRQ(void);
-int se7722_irq_demux(int);
#define __IO_PREFIX se7722
#include <asm/io_generic.h>
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-27 17:26:04 +0000