sh: add SH7760 IPR IRQ data

Add SH7760 IPR IRQ data; makes 2.6.20-rc bootable again.

Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

2 files changed, 52 insertions, 15 deletions

diff --git a/arch/sh/kernel/cpu/sh4/setup-sh7760.c b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
index 07e5377bf550..b7c702821e6f 100644
--- a/arch/sh/kernel/cpu/sh4/setup-sh7760.c
+++ b/arch/sh/kernel/cpu/sh4/setup-sh7760.c
@@ -52,17 +52,11 @@ static int __init sh7760_devices_setup(void)
 }
 __initcall(sh7760_devices_setup);
 
-/*
- * SH7760 INTC2-Style interrupts, vectors IRQ48-111 INTEVT 0x800-0xFE0
- */
 static struct intc2_data intc2_irq_table[] = {
-        /* INTPRIO0 | INTMSK0 */
         {48,  0, 28, 0, 31,  3},        /* IRQ 4 */
         {49,  0, 24, 0, 30,  3},        /* IRQ 3 */
         {50,  0, 20, 0, 29,  3},        /* IRQ 2 */
         {51,  0, 16, 0, 28,  3},        /* IRQ 1 */
-        /* 52-55 (INTEVT 0x880-0x8E0) unused/reserved */
-        /* INTPRIO4 | INTMSK0 */
         {56,  4, 28, 0, 25,  3},        /* HCAN2_CHAN0 */
         {57,  4, 24, 0, 24,  3},        /* HCAN2_CHAN1 */
         {58,  4, 20, 0, 23,  3},        /* I2S_CHAN0   */
@@ -71,18 +65,15 @@ static struct intc2_data intc2_irq_table[] = {
         {61,  4,  8, 0, 20,  3},        /* AC97_CHAN1  */
         {62,  4,  4, 0, 19,  3},        /* I2C_CHAN0   */
         {63,  4,  0, 0, 18,  3},        /* I2C_CHAN1   */
-        /* INTPRIO8 | INTMSK0 */
         {52,  8, 16, 0, 11,  3},        /* SCIF0_ERI_IRQ */
         {53,  8, 16, 0, 10,  3},        /* SCIF0_RXI_IRQ */
         {54,  8, 16, 0,  9,  3},        /* SCIF0_BRI_IRQ */
         {55,  8, 16, 0,  8,  3},        /* SCIF0_TXI_IRQ */
         {64,  8, 28, 0, 17,  3},        /* USBHI_IRQ */
         {65,  8, 24, 0, 16,  3},        /* LCDC      */
-        /* 66, 67 unused */
         {68,  8, 20, 0, 14, 13},        /* DMABRGI0_IRQ */
         {69,  8, 20, 0, 13, 13},        /* DMABRGI1_IRQ */
         {70,  8, 20, 0, 12, 13},        /* DMABRGI2_IRQ */
-        /* 71 unused */
         {72,  8, 12, 0,  7,  3},        /* SCIF1_ERI_IRQ */
         {73,  8, 12, 0,  6,  3},        /* SCIF1_RXI_IRQ */
         {74,  8, 12, 0,  5,  3},        /* SCIF1_BRI_IRQ */
@@ -91,26 +82,71 @@ static struct intc2_data intc2_irq_table[] = {
         {77,  8,  8, 0,  2,  3},        /* SCIF2_RXI_IRQ */
         {78,  8,  8, 0,  1,  3},        /* SCIF2_BRI_IRQ */
         {79,  8,  8, 0,  0,  3},        /* SCIF2_TXI_IRQ */
-        /*          | INTMSK4 */
         {80,  8,  4, 4, 23,  3},        /* SIM_ERI */
         {81,  8,  4, 4, 22,  3},        /* SIM_RXI */
         {82,  8,  4, 4, 21,  3},        /* SIM_TXI */
         {83,  8,  4, 4, 20,  3},        /* SIM_TEI */
         {84,  8,  0, 4, 19,  3},        /* HSPII */
-        /* INTPRIOC | INTMSK4 */
-        /* 85-87 unused/reserved */
         {88, 12, 20, 4, 18,  3},        /* MMCI0 */
         {89, 12, 20, 4, 17,  3},        /* MMCI1 */
         {90, 12, 20, 4, 16,  3},        /* MMCI2 */
         {91, 12, 20, 4, 15,  3},        /* MMCI3 */
-        {92, 12, 12, 4,  6,  3},        /* MFI (unsure, bug? in my 7760 manual*/
-        /* 93-107 reserved/undocumented */
+        {92, 12, 12, 4,  6,  3},        /* MFI */
         {108,12,  4, 4,  1,  3},        /* ADC  */
         {109,12,  0, 4,  0,  3},        /* CMTI */
-        /* 110-111 reserved/unused */
 };
 
+static struct ipr_data sh7760_ipr_map[] = {
+        /* IRQ, IPR-idx, shift, priority */
+        { 16, 0, 12, 2 }, /* TMU0 TUNI*/
+        { 17, 0,  8, 2 }, /* TMU1 TUNI */
+        { 18, 0,  4, 2 }, /* TMU2 TUNI */
+        { 19, 0,  4, 2 }, /* TMU2 TIPCI */
+        { 27, 1, 12, 2 }, /* WDT ITI */
+        { 28, 1,  8, 2 }, /* REF RCMI */
+        { 29, 1,  8, 2 }, /* REF ROVI */
+        { 32, 2,  0, 7 }, /* HUDI */
+        { 33, 2, 12, 7 }, /* GPIOI */
+        { 34, 2,  8, 7 }, /* DMAC DMTE0 */
+        { 35, 2,  8, 7 }, /* DMAC DMTE1 */
+        { 36, 2,  8, 7 }, /* DMAC DMTE2 */
+        { 37, 2,  8, 7 }, /* DMAC DMTE3 */
+        { 38, 2,  8, 7 }, /* DMAC DMAE */
+        { 44, 2,  8, 7 }, /* DMAC DMTE4 */
+        { 45, 2,  8, 7 }, /* DMAC DMTE5 */
+        { 46, 2,  8, 7 }, /* DMAC DMTE6 */
+        { 47, 2,  8, 7 }, /* DMAC DMTE7 */
+/* these here are only valid if INTC_ICR bit 7 is set to 1!
+ * XXX: maybe CONFIG_SH_IRLMODE symbol? SH7751 could use it too */
+#if 0
+        {  2, 3, 12, 3 }, /* IRL0 */
+        {  5, 3,  8, 3 }, /* IRL1 */
+        {  8, 3,  4, 3 }, /* IRL2 */
+        { 11, 3,  0, 3 }, /* IRL3 */
+#endif
+};
+
+static unsigned long ipr_offsets[] = {
+        0xffd00004UL,   /* 0: IPRA */
+        0xffd00008UL,   /* 1: IPRB */
+        0xffd0000cUL,   /* 2: IPRC */
+        0xffd00010UL,   /* 3: IPRD */
+};
+
+/* given the IPR index return the address of the IPR register */
+unsigned int map_ipridx_to_addr(int idx)
+{
+        if (idx >= ARRAY_SIZE(ipr_offsets))
+                return 0;
+        return ipr_offsets[idx];
+}
+
 void __init init_IRQ_intc2(void)
 {
         make_intc2_irq(intc2_irq_table, ARRAY_SIZE(intc2_irq_table));
 }
+
+void __init  init_IRQ_ipr(void)
+{
+        make_ipr_irq(sh7760_ipr_map, ARRAY_SIZE(sh7760_ipr_map));
+}
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 28b5102e1cdc..6b0d28ac9241 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -151,6 +151,7 @@ config CPU_SUBTYPE_SH7760
         bool "Support SH7760 processor"
         select CPU_SH4
         select CPU_HAS_INTC2_IRQ
+        select CPU_HAS_IPR_IRQ
 
 config CPU_SUBTYPE_SH4_202
         bool "Support SH4-202 processor"