Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=70e8be0a4e21f71e654bea2e5ec4789e976a796b
Commit:     70e8be0a4e21f71e654bea2e5ec4789e976a796b
Parent:     335fb8fc71692830aca0a5a5fe7f60016ee0d0aa
Author:     Magnus Damm <[EMAIL PROTECTED]>
AuthorDate: Wed Jul 25 10:50:42 2007 +0900
Committer:  Paul Mundt <[EMAIL PROTECTED]>
CommitDate: Fri Sep 21 11:57:45 2007 +0900

    sh: intc - add support for SH7705
    
    This patch converts the cpu specific interrupt setup code for
    sh7705 from ipr to intc. While at it new vectors are added to
    match the information provided by the datasheet.
    
    Vectors for IRQ4 and IRQ5 are enabled by default.
    
    Use plat_irq_setup_pins() if pins IRQ0-3 should be used in IRQ mode.
    
    This patch also adds sh7705 specific platform data for the rtc driver.
    
    Signed-off-by: Magnus Damm <[EMAIL PROTECTED]>
    Signed-off-by: Paul Mundt <[EMAIL PROTECTED]>
---
 arch/sh/kernel/cpu/sh3/setup-sh7705.c |  162 ++++++++++++++++++++++++---------
 arch/sh/mm/Kconfig                    |    2 +-
 2 files changed, 119 insertions(+), 45 deletions(-)

diff --git a/arch/sh/kernel/cpu/sh3/setup-sh7705.c 
b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
index ebd9d06..fb58025 100644
--- a/arch/sh/kernel/cpu/sh3/setup-sh7705.c
+++ b/arch/sh/kernel/cpu/sh3/setup-sh7705.c
@@ -10,9 +10,90 @@
  */
 #include <linux/platform_device.h>
 #include <linux/init.h>
+#include <linux/irq.h>
 #include <linux/serial.h>
 #include <asm/sci.h>
 
+enum{ 
+       UNUSED = 0,
+
+       /* interrupt sources */
+       IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5,
+       PINT07, PINT815,
+       DMAC_DEI0, DMAC_DEI1, DMAC_DEI2, DMAC_DEI3,
+       SCIF0_ERI, SCIF0_RXI, SCIF0_TXI,
+       SCIF2_ERI, SCIF2_RXI, SCIF2_TXI,
+       ADC_ADI,
+       USB_USI0, USB_USI1,
+       TPU0, TPU1, TPU2, TPU3,
+       TMU0, TMU1, TMU2_TUNI, TMU2_TICPI,
+       RTC_ATI, RTC_PRI, RTC_CUI,
+       WDT,
+       REF_RCMI,
+
+       /* interrupt groups */
+       RTC, TMU2, DMAC, USB, SCIF2, SCIF0,
+};
+
+static struct intc_vect vectors[] = {
+       INTC_VECT(IRQ4, 0x680), INTC_VECT(IRQ5, 0x6a0),
+       INTC_VECT(PINT07, 0x700), INTC_VECT(PINT815, 0x720),
+       INTC_VECT(DMAC_DEI0, 0x800), INTC_VECT(DMAC_DEI1, 0x820),
+       INTC_VECT(DMAC_DEI2, 0x840), INTC_VECT(DMAC_DEI3, 0x860),
+       INTC_VECT(SCIF0_ERI, 0x880), INTC_VECT(SCIF0_RXI, 0x8a0),
+       INTC_VECT(SCIF0_TXI, 0x8e0),
+       INTC_VECT(SCIF2_ERI, 0x900), INTC_VECT(SCIF2_RXI, 0x920),
+       INTC_VECT(SCIF2_TXI, 0x960),
+       INTC_VECT(ADC_ADI, 0x980),
+       INTC_VECT(USB_USI0, 0xa20), INTC_VECT(USB_USI1, 0xa40),
+       INTC_VECT(TPU0, 0xc00), INTC_VECT(TPU1, 0xc20),
+       INTC_VECT(TPU3, 0xc80), INTC_VECT(TPU1, 0xca0),
+       INTC_VECT(TMU0, 0x400), INTC_VECT(TMU1, 0x420),
+       INTC_VECT(TMU2_TUNI, 0x440), INTC_VECT(TMU2_TICPI, 0x460),
+       INTC_VECT(RTC_ATI, 0x480), INTC_VECT(RTC_PRI, 0x4a0),
+       INTC_VECT(RTC_CUI, 0x4c0),
+       INTC_VECT(WDT, 0x560),
+       INTC_VECT(REF_RCMI, 0x580),
+};
+
+static struct intc_group groups[] = {
+       INTC_GROUP(RTC, RTC_ATI, RTC_PRI, RTC_CUI),
+       INTC_GROUP(TMU2, TMU2_TUNI, TMU2_TICPI),
+       INTC_GROUP(DMAC, DMAC_DEI0, DMAC_DEI1, DMAC_DEI2, DMAC_DEI3),
+       INTC_GROUP(USB, USB_USI0, USB_USI1),
+       INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_TXI),
+       INTC_GROUP(SCIF2, SCIF2_ERI, SCIF2_RXI, SCIF2_TXI),
+};
+
+static struct intc_prio priorities[] = {
+       INTC_PRIO(DMAC, 7),
+       INTC_PRIO(SCIF2, 3),
+       INTC_PRIO(SCIF0, 3),
+};
+
+static struct intc_prio_reg prio_registers[] = {
+       { 0xfffffee2, 16, 4, /* IPRA */ { TMU0, TMU1, TMU2, RTC } },
+       { 0xfffffee4, 16, 4, /* IPRB */ { WDT, REF_RCMI, 0, 0 } },
+       { 0xa4000016, 16, 4, /* IPRC */ { IRQ3, IRQ2, IRQ1, IRQ0 } },
+       { 0xa4000018, 16, 4, /* IPRD */ { PINT07, PINT815, IRQ4, IRQ5 } },
+       { 0xa400001a, 16, 4, /* IPRE */ { DMAC, SCIF0, SCIF2, ADC_ADI } },
+       { 0xa4080000, 16, 4, /* IPRF */ { 0, 0, USB } },
+       { 0xa4080002, 16, 4, /* IPRG */ { TPU0, TPU1 } },
+       { 0xa4080004, 16, 4, /* IPRH */ { TPU2, TPU3 } },
+
+};
+
+static DECLARE_INTC_DESC(intc_desc, "sh7705", vectors, groups,
+                        priorities, NULL, prio_registers, NULL);
+
+static struct intc_vect vectors_irq[] = {
+       INTC_VECT(IRQ0, 0x600), INTC_VECT(IRQ1, 0x620),
+       INTC_VECT(IRQ2, 0x640), INTC_VECT(IRQ3, 0x660),
+};
+
+static DECLARE_INTC_DESC(intc_desc_irq, "sh7705-irq", vectors_irq, NULL,
+                        priorities, NULL, prio_registers, NULL);
+
 static struct plat_sci_port sci_platform_data[] = {
        {
                .mapbase        = 0xa4410000,
@@ -37,8 +118,36 @@ static struct platform_device sci_device = {
        },
 };
 
+static struct resource rtc_resources[] = {
+       [0] =   {
+               .start  = 0xfffffec0,
+               .end    = 0xfffffec0 + 0x1e,
+               .flags  = IORESOURCE_IO,
+       },
+       [1] =   {
+               .start  = 20,
+               .flags  = IORESOURCE_IRQ,
+       },
+       [2] =   {
+               .start  = 21,
+               .flags  = IORESOURCE_IRQ,
+       },
+       [3] =   {
+               .start  = 22,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device rtc_device = {
+       .name           = "sh-rtc",
+       .id             = -1,
+       .num_resources  = ARRAY_SIZE(rtc_resources),
+       .resource       = rtc_resources,
+};
+
 static struct platform_device *sh7705_devices[] __initdata = {
        &sci_device,
+       &rtc_device,
 };
 
 static int __init sh7705_devices_setup(void)
@@ -48,51 +157,16 @@ static int __init sh7705_devices_setup(void)
 }
 __initcall(sh7705_devices_setup);
 
-static struct ipr_data ipr_irq_table[] = {
-       /* IRQ, IPR-idx, shift, priority */
-       { 16, 0, 12, 2 }, /* TMU0 TUNI*/
-       { 17, 0,  8, 2 }, /* TMU1 TUNI */
-       { 18, 0,  4, 2 }, /* TMU2 TUNI */
-       { 27, 1, 12, 2 }, /* WDT ITI */
-       { 20, 0,  0, 2 }, /* RTC ATI (alarm) */
-       { 21, 0,  0, 2 }, /* RTC PRI (period) */
-       { 22, 0,  0, 2 }, /* RTC CUI (carry) */
-       { 48, 4, 12, 7 }, /* DMAC DMTE0 */
-       { 49, 4, 12, 7 }, /* DMAC DMTE1 */
-       { 50, 4, 12, 7 }, /* DMAC DMTE2 */
-       { 51, 4, 12, 7 }, /* DMAC DMTE3 */
-       { 52, 4,  8, 3 }, /* SCIF0 ERI */
-       { 53, 4,  8, 3 }, /* SCIF0 RXI */
-       { 55, 4,  8, 3 }, /* SCIF0 TXI */
-       { 56, 4,  4, 3 }, /* SCIF1 ERI */
-       { 57, 4,  4, 3 }, /* SCIF1 RXI */
-       { 59, 4,  4, 3 }, /* SCIF1 TXI */
-};
-
-static unsigned long ipr_offsets[] = {
-       0xFFFFFEE2,     /* 0: IPRA */
-       0xFFFFFEE4,     /* 1: IPRB */
-       0xA4000016,     /* 2: IPRC */
-       0xA4000018,     /* 3: IPRD */
-       0xA400001A,     /* 4: IPRE */
-       0xA4080000,     /* 5: IPRF */
-       0xA4080002,     /* 6: IPRG */
-       0xA4080004,     /* 7: IPRH */
-};
-
-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-sh7705",
-       },
-};
+void __init plat_irq_setup_pins(int mode)
+{
+       if (mode == IRQ_MODE_IRQ) {
+               register_intc_controller(&intc_desc_irq);
+               return;
+       }
+       BUG();
+}
 
 void __init plat_irq_setup(void)
 {
-       register_ipr_controller(&ipr_irq_desc);
+       register_intc_controller(&intc_desc);
 }
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 43f3972..a420260 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -66,7 +66,7 @@ config CPU_SUBTYPE_SH7206
 config CPU_SUBTYPE_SH7705
        bool "Support SH7705 processor"
        select CPU_SH3
-       select CPU_HAS_IPR_IRQ
+       select CPU_HAS_INTC_IRQ
 
 config CPU_SUBTYPE_SH7706
        bool "Support SH7706 processor"
-
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