sh: intc - add support for SH7785
authorMagnus Damm <damm@igel.co.jp>
Tue, 31 Jul 2007 08:11:21 +0000 (17:11 +0900)
committerPaul Mundt <lethal@linux-sh.org>
Fri, 21 Sep 2007 02:57:46 +0000 (11:57 +0900)
This patch converts the cpu specific interrupt setup code for sh7785
from intc2 to intc. New vectors are also added to match the information
provided by the datasheet.

No IRQ/IRL pin vectors are enabled by default. Use plat_irq_setup_pins()
to select between IRL and IRQ mode.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
arch/sh/kernel/cpu/sh4a/setup-sh7785.c
arch/sh/mm/Kconfig
include/asm-sh/hw_irq.h

index cf047562e43fd59fd60b4aa90acd0fb5497122be..c49fcb0800cc45f131ea1b28a16a22e97fc556e1 100644 (file)
@@ -72,46 +72,235 @@ static int __init sh7785_devices_setup(void)
 }
 __initcall(sh7785_devices_setup);
 
-static struct intc2_data intc2_irq_table[] = {
-       { 28, 0, 24, 0, 0, 2 },         /* TMU0 */
-
-       { 40, 8, 24, 0, 2, 3 },         /* SCIF0 ERI */
-       { 41, 8, 24, 0, 2, 3 },         /* SCIF0 RXI */
-       { 42, 8, 24, 0, 2, 3 },         /* SCIF0 BRI */
-       { 43, 8, 24, 0, 2, 3 },         /* SCIF0 TXI */
-
-       { 44, 8, 16, 0, 3, 3 },         /* SCIF1 ERI */
-       { 45, 8, 16, 0, 3, 3 },         /* SCIF1 RXI */
-       { 46, 8, 16, 0, 3, 3 },         /* SCIF1 BRI */
-       { 47, 8, 16, 0, 3, 3 },         /* SCIF1 TXI */
-
-       { 64, 0x14,  8, 0, 14, 2 },     /* PCIC0 */
-       { 65, 0x14,  0, 0, 15, 2 },     /* PCIC1 */
-       { 66, 0x18, 24, 0, 16, 2 },     /* PCIC2 */
-       { 67, 0x18, 16, 0, 17, 2 },     /* PCIC3 */
-       { 68, 0x18,  8, 0, 18, 2 },     /* PCIC4 */
-
-       { 60,  8,  8, 0, 4, 3 },        /* SCIF2 ERI, RXI, BRI, TXI */
-       { 60,  8,  0, 0, 5, 3 },        /* SCIF3 ERI, RXI, BRI, TXI */
-       { 60, 12, 24, 0, 6, 3 },        /* SCIF4 ERI, RXI, BRI, TXI */
-       { 60, 12, 16, 0, 7, 3 },        /* SCIF5 ERI, RXI, BRI, TXI */
+enum {
+       UNUSED = 0,
+
+       /* interrupt sources */
+
+       IRL0_LLLL, IRL0_LLLH, IRL0_LLHL, IRL0_LLHH,
+       IRL0_LHLL, IRL0_LHLH, IRL0_LHHL, IRL0_LHHH,
+       IRL0_HLLL, IRL0_HLLH, IRL0_HLHL, IRL0_HLHH,
+       IRL0_HHLL, IRL0_HHLH, IRL0_HHHL,
+
+       IRL4_LLLL, IRL4_LLLH, IRL4_LLHL, IRL4_LLHH,
+       IRL4_LHLL, IRL4_LHLH, IRL4_LHHL, IRL4_LHHH,
+       IRL4_HLLL, IRL4_HLLH, IRL4_HLHL, IRL4_HLHH,
+       IRL4_HHLL, IRL4_HHLH, IRL4_HHHL,
+
+       IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7,
+       WDT,
+       TMU0, TMU1, TMU2, TMU2_TICPI,
+       HUDI,
+       DMAC0_DMINT0, DMAC0_DMINT1, DMAC0_DMINT2, DMAC0_DMINT3,
+       DMAC0_DMINT4, DMAC0_DMINT5, DMAC0_DMAE,
+       SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI,
+       SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI,
+       DMAC1_DMINT6, DMAC1_DMINT7, DMAC1_DMINT8, DMAC1_DMINT9,
+       DMAC1_DMINT10, DMAC1_DMINT11, DMAC1_DMAE,
+       HSPI,
+       SCIF2, SCIF3, SCIF4, SCIF5,
+       PCISERR, PCIINTA, PCIINTB, PCIINTC, PCIINTD,
+       PCIERR, PCIPWD3, PCIPWD2, PCIPWD1, PCIPWD0,
+       SIOF,
+       MMCIF_FSTAT, MMCIF_TRAN, MMCIF_ERR, MMCIF_FRDY,
+       DU,
+       GDTA_GACLI, GDTA_GAMCI, GDTA_GAERI,
+       TMU3, TMU4, TMU5,
+       SSI0, SSI1,
+       HAC0, HAC1,
+       FLCTL_FLSTE, FLCTL_FLEND, FLCTL_FLTRQ0, FLCTL_FLTRQ1,
+       GPIOI0, GPIOI1, GPIOI2, GPIOI3,
+
+       /* interrupt groups */
+
+       TMU012, DMAC0, SCIF0, SCIF1, DMAC1,
+       PCIC5, MMCIF, GDTA, TMU345, FLCTL, GPIO
 };
 
-static struct intc2_desc intc2_irq_desc __read_mostly = {
-       .prio_base      = 0xffd40000,
-       .msk_base       = 0xffd40038,
-       .mskclr_base    = 0xffd4003c,
+static struct intc_vect vectors[] = {
+       INTC_VECT(WDT, 0x560),
+       INTC_VECT(TMU0, 0x580), INTC_VECT(TMU1, 0x5a0),
+       INTC_VECT(TMU2, 0x5c0), INTC_VECT(TMU2_TICPI, 0x5e0),
+       INTC_VECT(HUDI, 0x600),
+       INTC_VECT(DMAC0_DMINT0, 0x620), INTC_VECT(DMAC0_DMINT1, 0x640),
+       INTC_VECT(DMAC0_DMINT2, 0x660), INTC_VECT(DMAC0_DMINT3, 0x680),
+       INTC_VECT(DMAC0_DMINT4, 0x6a0), INTC_VECT(DMAC0_DMINT5, 0x6c0),
+       INTC_VECT(DMAC0_DMAE, 0x6e0),
+       INTC_VECT(SCIF0_ERI, 0x700), INTC_VECT(SCIF0_RXI, 0x720),
+       INTC_VECT(SCIF0_BRI, 0x740), INTC_VECT(SCIF0_TXI, 0x760),
+       INTC_VECT(SCIF1_ERI, 0x780), INTC_VECT(SCIF1_RXI, 0x7a0),
+       INTC_VECT(SCIF1_BRI, 0x7c0), INTC_VECT(SCIF1_TXI, 0x7e0),
+       INTC_VECT(DMAC1_DMINT6, 0x880), INTC_VECT(DMAC1_DMINT7, 0x8a0),
+       INTC_VECT(DMAC1_DMINT8, 0x8c0), INTC_VECT(DMAC1_DMINT9, 0x8e0),
+       INTC_VECT(DMAC1_DMINT10, 0x900), INTC_VECT(DMAC1_DMINT11, 0x920),
+       INTC_VECT(DMAC1_DMAE, 0x940),
+       INTC_VECT(HSPI, 0x960),
+       INTC_VECT(SCIF2, 0x980), INTC_VECT(SCIF3, 0x9a0),
+       INTC_VECT(SCIF4, 0x9c0), INTC_VECT(SCIF5, 0x9e0),
+       INTC_VECT(PCISERR, 0xa00), INTC_VECT(PCIINTA, 0xa20),
+       INTC_VECT(PCIINTB, 0xa40), INTC_VECT(PCIINTC, 0xa60),
+       INTC_VECT(PCIINTD, 0xa80), INTC_VECT(PCIERR, 0xaa0),
+       INTC_VECT(PCIPWD3, 0xac0), INTC_VECT(PCIPWD2, 0xae0),
+       INTC_VECT(PCIPWD1, 0xb00), INTC_VECT(PCIPWD0, 0xb20),
+       INTC_VECT(SIOF, 0xc00),
+       INTC_VECT(MMCIF_FSTAT, 0xd00), INTC_VECT(MMCIF_TRAN, 0xd20),
+       INTC_VECT(MMCIF_ERR, 0xd40), INTC_VECT(MMCIF_FRDY, 0xd60),
+       INTC_VECT(DU, 0xd80),
+       INTC_VECT(GDTA_GACLI, 0xda0), INTC_VECT(GDTA_GAMCI, 0xdc0),
+       INTC_VECT(GDTA_GAERI, 0xde0),
+       INTC_VECT(TMU3, 0xe00), INTC_VECT(TMU4, 0xe20),
+       INTC_VECT(TMU5, 0xe40),
+       INTC_VECT(SSI0, 0xe80), INTC_VECT(SSI1, 0xea0),
+       INTC_VECT(HAC0, 0xec0), INTC_VECT(HAC1, 0xee0),
+       INTC_VECT(FLCTL_FLSTE, 0xf00), INTC_VECT(FLCTL_FLEND, 0xf20),
+       INTC_VECT(FLCTL_FLTRQ0, 0xf40), INTC_VECT(FLCTL_FLTRQ1, 0xf60),
+       INTC_VECT(GPIOI0, 0xf80), INTC_VECT(GPIOI1, 0xfa0),
+       INTC_VECT(GPIOI2, 0xfc0), INTC_VECT(GPIOI3, 0xfe0),
+};
 
-       .intc2_data     = intc2_irq_table,
-       .nr_irqs        = ARRAY_SIZE(intc2_irq_table),
+static struct intc_group groups[] = {
+       INTC_GROUP(TMU012, TMU0, TMU1, TMU2, TMU2_TICPI),
+       INTC_GROUP(DMAC0, DMAC0_DMINT0, DMAC0_DMINT1, DMAC0_DMINT2,
+                  DMAC0_DMINT3, DMAC0_DMINT4, DMAC0_DMINT5, DMAC0_DMAE),
+       INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI),
+       INTC_GROUP(SCIF1, SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI),
+       INTC_GROUP(DMAC1, DMAC1_DMINT6, DMAC1_DMINT7, DMAC1_DMINT8,
+                  DMAC1_DMINT9, DMAC1_DMINT10, DMAC1_DMINT11, DMAC1_DMAE),
+       INTC_GROUP(PCIC5, PCIERR, PCIPWD3, PCIPWD2, PCIPWD1, PCIPWD0),
+       INTC_GROUP(MMCIF, MMCIF_FSTAT, MMCIF_TRAN, MMCIF_ERR, MMCIF_FRDY),
+       INTC_GROUP(GDTA, GDTA_GACLI, GDTA_GAMCI, GDTA_GAERI),
+       INTC_GROUP(TMU345, TMU3, TMU4, TMU5),
+       INTC_GROUP(FLCTL, FLCTL_FLSTE, FLCTL_FLEND,
+                  FLCTL_FLTRQ0, FLCTL_FLTRQ1),
+       INTC_GROUP(GPIO, GPIOI0, GPIOI1, GPIOI2, GPIOI3),
+};
 
-       .chip = {
-               .name   = "INTC2-sh7785",
-       },
+static struct intc_prio priorities[] = {
+       INTC_PRIO(SCIF0, 3),
+       INTC_PRIO(SCIF1, 3),
+       INTC_PRIO(SCIF2, 3),
+       INTC_PRIO(SCIF3, 3),
+       INTC_PRIO(SCIF4, 3),
+       INTC_PRIO(SCIF5, 3),
+};
+
+static struct intc_mask_reg mask_registers[] = {
+       { 0xffd00044, 0xffd00064, 32, /* INTMSK0 / INTMSKCLR0 */
+         { IRQ0, IRQ1, IRQ2, IRQ3, IRQ4, IRQ5, IRQ6, IRQ7 } },
+
+       { 0xffd40080, 0xffd40084, 32, /* INTMSK2 / INTMSKCLR2 */
+         { IRL0_LLLL, IRL0_LLLH, IRL0_LLHL, IRL0_LLHH,
+           IRL0_LHLL, IRL0_LHLH, IRL0_LHHL, IRL0_LHHH,
+           IRL0_HLLL, IRL0_HLLH, IRL0_HLHL, IRL0_HLHH,
+           IRL0_HHLL, IRL0_HHLH, IRL0_HHHL, 0,
+           IRL4_LLLL, IRL4_LLLH, IRL4_LLHL, IRL4_LLHH,
+           IRL4_LHLL, IRL4_LHLH, IRL4_LHHL, IRL4_LHHH,
+           IRL4_HLLL, IRL4_HLLH, IRL4_HLHL, IRL4_HLHH,
+           IRL4_HHLL, IRL4_HHLH, IRL4_HHHL, 0, } },
+
+       { 0xffd40038, 0xffd4003c, 32, /* INT2MSKR / INT2MSKCR */
+         { 0, 0, 0, GDTA, DU, SSI0, SSI1, GPIO,
+           FLCTL, MMCIF, HSPI, SIOF, PCIC5, PCIINTD, PCIINTC, PCIINTB,
+           PCIINTA, PCISERR, HAC1, HAC0, DMAC1, DMAC0, HUDI, WDT,
+           SCIF5, SCIF4, SCIF3, SCIF2, SCIF1, SCIF0, TMU345, TMU012 } },
+};
+
+static struct intc_prio_reg prio_registers[] = {
+       { 0xffd00010, 32, 4, /* INTPRI */   { IRQ0, IRQ1, IRQ2, IRQ3,
+                                             IRQ4, IRQ5, IRQ6, IRQ7 } },
+       { 0xffd40000, 32, 8, /* INT2PRI0 */ { TMU0, TMU1, TMU2, TMU2_TICPI } },
+       { 0xffd40004, 32, 8, /* INT2PRI1 */ { TMU3, TMU4, TMU5, } },
+       { 0xffd40008, 32, 8, /* INT2PRI2 */ { SCIF0, SCIF1, SCIF2, SCIF3 } },
+       { 0xffd4000c, 32, 8, /* INT2PRI3 */ { SCIF4, SCIF5, WDT, } },
+       { 0xffd40010, 32, 8, /* INT2PRI4 */ { HUDI, DMAC0, DMAC1, } },
+       { 0xffd40014, 32, 8, /* INT2PRI5 */ { HAC0, HAC1, PCISERR, PCIINTA } },
+       { 0xffd40018, 32, 8, /* INT2PRI6 */ { PCIINTB, PCIINTC,
+                                             PCIINTD, PCIC5 } },
+       { 0xffd4001c, 32, 8, /* INT2PRI7 */ { SIOF, HSPI, MMCIF, } },
+       { 0xffd40020, 32, 8, /* INT2PRI8 */ { FLCTL, GPIO, SSI0, SSI1, } },
+       { 0xffd40024, 32, 8, /* INT2PRI9 */ { DU, GDTA, } },
+};
+
+static DECLARE_INTC_DESC(intc_desc, "sh7785", vectors, groups, priorities,
+                        mask_registers, prio_registers, NULL);
+
+
+/* Support for external interrupt pins in IRQ mode */
+
+static struct intc_vect vectors_irq0123[] = {
+       INTC_VECT(IRQ0, 0x240), INTC_VECT(IRQ1, 0x280),
+       INTC_VECT(IRQ2, 0x2c0), INTC_VECT(IRQ3, 0x300),
+};
+
+static struct intc_vect vectors_irq4567[] = {
+       INTC_VECT(IRQ4, 0x340), INTC_VECT(IRQ5, 0x380),
+       INTC_VECT(IRQ6, 0x3c0), INTC_VECT(IRQ7, 0x200),
+};
+
+static struct intc_sense_reg sense_registers[] = {
+       { 0xffd0001c, 32, 2, /* ICR1 */   { IRQ0, IRQ1, IRQ2, IRQ3,
+                                           IRQ4, IRQ5, IRQ6, IRQ7 } },
+};
+
+static DECLARE_INTC_DESC(intc_desc_irq0123, "sh7785-irq0123", vectors_irq0123,
+                        NULL, NULL, mask_registers, prio_registers,
+                        sense_registers);
+
+static DECLARE_INTC_DESC(intc_desc_irq4567, "sh7785-irq4567", vectors_irq4567,
+                        NULL, NULL, mask_registers, prio_registers,
+                        sense_registers);
+
+/* External interrupt pins in IRL mode */
+
+static struct intc_vect vectors_irl0123[] = {
+       INTC_VECT(IRL0_LLLL, 0x200), INTC_VECT(IRL0_LLLH, 0x220),
+       INTC_VECT(IRL0_LLHL, 0x240), INTC_VECT(IRL0_LLHH, 0x260),
+       INTC_VECT(IRL0_LHLL, 0x280), INTC_VECT(IRL0_LHLH, 0x2a0),
+       INTC_VECT(IRL0_LHHL, 0x2c0), INTC_VECT(IRL0_LHHH, 0x2e0),
+       INTC_VECT(IRL0_HLLL, 0x300), INTC_VECT(IRL0_HLLH, 0x320),
+       INTC_VECT(IRL0_HLHL, 0x340), INTC_VECT(IRL0_HLHH, 0x360),
+       INTC_VECT(IRL0_HHLL, 0x380), INTC_VECT(IRL0_HHLH, 0x3a0),
+       INTC_VECT(IRL0_HHHL, 0x3c0),
 };
 
+static struct intc_vect vectors_irl4567[] = {
+       INTC_VECT(IRL4_LLLL, 0xb00), INTC_VECT(IRL4_LLLH, 0xb20),
+       INTC_VECT(IRL4_LLHL, 0xb40), INTC_VECT(IRL4_LLHH, 0xb60),
+       INTC_VECT(IRL4_LHLL, 0xb80), INTC_VECT(IRL4_LHLH, 0xba0),
+       INTC_VECT(IRL4_LHHL, 0xbc0), INTC_VECT(IRL4_LHHH, 0xbe0),
+       INTC_VECT(IRL4_HLLL, 0xc00), INTC_VECT(IRL4_HLLH, 0xc20),
+       INTC_VECT(IRL4_HLHL, 0xc40), INTC_VECT(IRL4_HLHH, 0xc60),
+       INTC_VECT(IRL4_HHLL, 0xc80), INTC_VECT(IRL4_HHLH, 0xca0),
+       INTC_VECT(IRL4_HHHL, 0xcc0),
+};
+
+static DECLARE_INTC_DESC(intc_desc_irl0123, "sh7785-irl0123", vectors_irl0123,
+                        NULL, NULL, mask_registers, NULL, NULL);
+
+static DECLARE_INTC_DESC(intc_desc_irl4567, "sh7785-irl4567", vectors_irl4567,
+                        NULL, NULL, mask_registers, NULL, NULL);
+
 void __init plat_irq_setup(void)
 {
-       register_intc2_controller(&intc2_irq_desc);
+       register_intc_controller(&intc_desc);
 }
 
+void __init plat_irq_setup_pins(int mode)
+{
+       switch (mode) {
+       case IRQ_MODE_IRQ7654:
+               register_intc_controller(&intc_desc_irq4567);
+               break;
+       case IRQ_MODE_IRQ3210:
+               register_intc_controller(&intc_desc_irq0123);
+               break;
+       case IRQ_MODE_IRL7654:
+               register_intc_controller(&intc_desc_irl4567);
+               break;
+       case IRQ_MODE_IRL3210:
+               register_intc_controller(&intc_desc_irl0123);
+               break;
+       default:
+               BUG();
+       }
+}
index c2777555003ef5a05aadef924e8cd9ea7e1c850f..99aebecc5701a4b24d88c8809a89b79a3c234fe9 100644 (file)
@@ -192,7 +192,7 @@ config CPU_SUBTYPE_SH7785
        bool "Support SH7785 processor"
        select CPU_SH4A
        select CPU_SHX2
-       select CPU_HAS_INTC2_IRQ
+       select CPU_HAS_INTC_IRQ
 
 config CPU_SUBTYPE_SHX3
        bool "Support SH-X3 processor"
index 20d42959f52ad25d3da5a7c5824b03a96cbffb73..921ddec6ccf40f66bd5b055f148a822d94b5edde 100644 (file)
@@ -115,7 +115,8 @@ void __init register_intc_controller(struct intc_desc *desc);
 
 void __init plat_irq_setup(void);
 
-enum { IRQ_MODE_IRQ, IRQ_MODE_IRL7654, IRQ_MODE_IRL3210 };
+enum { IRQ_MODE_IRQ, IRQ_MODE_IRQ7654, IRQ_MODE_IRQ3210,
+       IRQ_MODE_IRL7654, IRQ_MODE_IRL3210 };
 void __init plat_irq_setup_pins(int mode);
 
 #endif /* __ASM_SH_HW_IRQ_H */