softlockup: fix invalid proc_handler for softlockup_panic
[pandora-kernel.git] / arch / mips / tx4927 / toshiba_rbtx4927 / toshiba_rbtx4927_irq.c
index 5cc30c1..6d31f2a 100644 (file)
@@ -133,6 +133,7 @@ JP7 is not bus master -- do NOT use -- only 4 pci bus master's allowed -- SouthB
 #include <linux/bootmem.h>
 #include <linux/blkdev.h>
 #ifdef CONFIG_TOSHIBA_FPCIB0
+#include <asm/i8259.h>
 #include <asm/tx4927/smsc_fdc37m81x.h>
 #endif
 #include <asm/tx4927/toshiba_rbtx4927.h>
@@ -151,11 +152,6 @@ JP7 is not bus master -- do NOT use -- only 4 pci bus master's allowed -- SouthB
 #define TOSHIBA_RBTX4927_IRQ_IOC_ENABLE    ( 1 << 13 )
 #define TOSHIBA_RBTX4927_IRQ_IOC_DISABLE   ( 1 << 14 )
 
-#define TOSHIBA_RBTX4927_IRQ_ISA_INIT      ( 1 << 20 )
-#define TOSHIBA_RBTX4927_IRQ_ISA_ENABLE    ( 1 << 23 )
-#define TOSHIBA_RBTX4927_IRQ_ISA_DISABLE   ( 1 << 24 )
-#define TOSHIBA_RBTX4927_IRQ_ISA_MASK      ( 1 << 25 )
-
 #define TOSHIBA_RBTX4927_SETUP_ALL         0xffffffff
 #endif
 
@@ -167,10 +163,6 @@ static const u32 toshiba_rbtx4927_irq_debug_flag =
 //                                                 | TOSHIBA_RBTX4927_IRQ_IOC_INIT
 //                                                 | TOSHIBA_RBTX4927_IRQ_IOC_ENABLE
 //                                                 | TOSHIBA_RBTX4927_IRQ_IOC_DISABLE
-//                                                 | TOSHIBA_RBTX4927_IRQ_ISA_INIT
-//                                                 | TOSHIBA_RBTX4927_IRQ_ISA_ENABLE
-//                                                 | TOSHIBA_RBTX4927_IRQ_ISA_DISABLE
-//                                                 | TOSHIBA_RBTX4927_IRQ_ISA_MASK
     );
 #endif
 
@@ -181,10 +173,10 @@ static const u32 toshiba_rbtx4927_irq_debug_flag =
         { \
            char tmp[100]; \
            sprintf( tmp, str ); \
-           printk( "%s(%s:%u)::%s", __FUNCTION__, __FILE__, __LINE__, tmp ); \
+           printk( "%s(%s:%u)::%s", __func__, __FILE__, __LINE__, tmp ); \
         }
 #else
-#define TOSHIBA_RBTX4927_IRQ_DPRINTK(flag,str...)
+#define TOSHIBA_RBTX4927_IRQ_DPRINTK(flag, str...)
 #endif
 
 
@@ -196,33 +188,14 @@ static const u32 toshiba_rbtx4927_irq_debug_flag =
 #define TOSHIBA_RBTX4927_IRQ_IOC_BEG  ((TX4927_IRQ_PIC_END+1)+TOSHIBA_RBTX4927_IRQ_IOC_RAW_BEG)        /* 56 */
 #define TOSHIBA_RBTX4927_IRQ_IOC_END  ((TX4927_IRQ_PIC_END+1)+TOSHIBA_RBTX4927_IRQ_IOC_RAW_END)        /* 63 */
 
-
-#define TOSHIBA_RBTX4927_IRQ_ISA_BEG MI8259_IRQ_ISA_BEG
-#define TOSHIBA_RBTX4927_IRQ_ISA_END MI8259_IRQ_ISA_END
-#define TOSHIBA_RBTX4927_IRQ_ISA_MID ((TOSHIBA_RBTX4927_IRQ_ISA_BEG+TOSHIBA_RBTX4927_IRQ_ISA_END+1)/2)
-
-
 #define TOSHIBA_RBTX4927_IRQ_NEST_IOC_ON_PIC TX4927_IRQ_NEST_EXT_ON_PIC
 #define TOSHIBA_RBTX4927_IRQ_NEST_ISA_ON_IOC (TOSHIBA_RBTX4927_IRQ_IOC_BEG+2)
-#define TOSHIBA_RBTX4927_IRQ_NEST_ISA_ON_ISA (TOSHIBA_RBTX4927_IRQ_ISA_BEG+2)
 
 extern int tx4927_using_backplane;
 
-#ifdef CONFIG_TOSHIBA_FPCIB0
-extern void enable_8259A_irq(unsigned int irq);
-extern void disable_8259A_irq(unsigned int irq);
-extern void mask_and_ack_8259A(unsigned int irq);
-#endif
-
 static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq);
 static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq);
 
-#ifdef CONFIG_TOSHIBA_FPCIB0
-static void toshiba_rbtx4927_irq_isa_enable(unsigned int irq);
-static void toshiba_rbtx4927_irq_isa_disable(unsigned int irq);
-static void toshiba_rbtx4927_irq_isa_mask_and_ack(unsigned int irq);
-#endif
-
 #define TOSHIBA_RBTX4927_IOC_NAME "RBTX4927-IOC"
 static struct irq_chip toshiba_rbtx4927_irq_ioc_type = {
        .name = TOSHIBA_RBTX4927_IOC_NAME,
@@ -231,20 +204,8 @@ static struct irq_chip toshiba_rbtx4927_irq_ioc_type = {
        .mask_ack = toshiba_rbtx4927_irq_ioc_disable,
        .unmask = toshiba_rbtx4927_irq_ioc_enable,
 };
-#define TOSHIBA_RBTX4927_IOC_INTR_ENAB 0xbc002000
-#define TOSHIBA_RBTX4927_IOC_INTR_STAT 0xbc002006
-
-
-#ifdef CONFIG_TOSHIBA_FPCIB0
-#define TOSHIBA_RBTX4927_ISA_NAME "RBTX4927-ISA"
-static struct irq_chip toshiba_rbtx4927_irq_isa_type = {
-       .name = TOSHIBA_RBTX4927_ISA_NAME,
-       .ack = toshiba_rbtx4927_irq_isa_mask_and_ack,
-       .mask = toshiba_rbtx4927_irq_isa_disable,
-       .mask_ack = toshiba_rbtx4927_irq_isa_mask_and_ack,
-       .unmask = toshiba_rbtx4927_irq_isa_enable,
-};
-#endif
+#define TOSHIBA_RBTX4927_IOC_INTR_ENAB (void __iomem *)0xbc002000UL
+#define TOSHIBA_RBTX4927_IOC_INTR_STAT (void __iomem *)0xbc002006UL
 
 
 u32 bit2num(u32 num)
@@ -262,10 +223,8 @@ u32 bit2num(u32 num)
 int toshiba_rbtx4927_irq_nested(int sw_irq)
 {
        u32 level3;
-       u32 level4;
-       u32 level5;
 
-       level3 = reg_rd08(TOSHIBA_RBTX4927_IOC_INTR_STAT) & 0x1f;
+       level3 = readb(TOSHIBA_RBTX4927_IOC_INTR_STAT) & 0x1f;
        if (level3) {
                sw_irq = TOSHIBA_RBTX4927_IRQ_IOC_BEG + bit2num(level3);
                if (sw_irq != TOSHIBA_RBTX4927_IRQ_NEST_ISA_ON_IOC) {
@@ -273,29 +232,10 @@ int toshiba_rbtx4927_irq_nested(int sw_irq)
                }
        }
 #ifdef CONFIG_TOSHIBA_FPCIB0
-       {
-               if (tx4927_using_backplane) {
-                       outb(0x0A, 0x20);
-                       level4 = inb(0x20) & 0xff;
-                       if (level4) {
-                               sw_irq =
-                                   TOSHIBA_RBTX4927_IRQ_ISA_BEG +
-                                   bit2num(level4);
-                               if (sw_irq !=
-                                   TOSHIBA_RBTX4927_IRQ_NEST_ISA_ON_ISA) {
-                                       goto RETURN;
-                               }
-                       }
-
-                       outb(0x0A, 0xA0);
-                       level5 = inb(0xA0) & 0xff;
-                       if (level5) {
-                               sw_irq =
-                                   TOSHIBA_RBTX4927_IRQ_ISA_MID +
-                                   bit2num(level5);
-                               goto RETURN;
-                       }
-               }
+       if (tx4927_using_backplane) {
+               int irq = i8259_irq();
+               if (irq >= 0)
+                       sw_irq = irq;
        }
 #endif
 
@@ -303,16 +243,12 @@ int toshiba_rbtx4927_irq_nested(int sw_irq)
        return (sw_irq);
 }
 
-//#define TOSHIBA_RBTX4927_PIC_ACTION(s) { no_action, 0, CPU_MASK_NONE, s, NULL, NULL }
-#define TOSHIBA_RBTX4927_PIC_ACTION(s) { no_action, IRQF_SHARED, CPU_MASK_NONE, s, NULL, NULL }
-static struct irqaction toshiba_rbtx4927_irq_ioc_action =
-TOSHIBA_RBTX4927_PIC_ACTION(TOSHIBA_RBTX4927_IOC_NAME);
-#ifdef CONFIG_TOSHIBA_FPCIB0
-static struct irqaction toshiba_rbtx4927_irq_isa_master =
-TOSHIBA_RBTX4927_PIC_ACTION(TOSHIBA_RBTX4927_ISA_NAME "/M");
-static struct irqaction toshiba_rbtx4927_irq_isa_slave =
-TOSHIBA_RBTX4927_PIC_ACTION(TOSHIBA_RBTX4927_ISA_NAME "/S");
-#endif
+static struct irqaction toshiba_rbtx4927_irq_ioc_action = {
+       .handler        = no_action,
+       .flags          = IRQF_SHARED,
+       .mask           = CPU_MASK_NONE,
+       .name           = TOSHIBA_RBTX4927_IOC_NAME
+};
 
 
 /**********************************************************************************/
@@ -352,9 +288,9 @@ static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq)
                panic("\n");
        }
 
-       v = TX4927_RD08(TOSHIBA_RBTX4927_IOC_INTR_ENAB);
+       v = readb(TOSHIBA_RBTX4927_IOC_INTR_ENAB);
        v |= (1 << (irq - TOSHIBA_RBTX4927_IRQ_IOC_BEG));
-       TOSHIBA_RBTX4927_WR08(TOSHIBA_RBTX4927_IOC_INTR_ENAB, v);
+       writeb(v, TOSHIBA_RBTX4927_IOC_INTR_ENAB);
 }
 
 
@@ -372,98 +308,13 @@ static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq)
                panic("\n");
        }
 
-       v = TX4927_RD08(TOSHIBA_RBTX4927_IOC_INTR_ENAB);
+       v = readb(TOSHIBA_RBTX4927_IOC_INTR_ENAB);
        v &= ~(1 << (irq - TOSHIBA_RBTX4927_IRQ_IOC_BEG));
-       TOSHIBA_RBTX4927_WR08(TOSHIBA_RBTX4927_IOC_INTR_ENAB, v);
+       writeb(v, TOSHIBA_RBTX4927_IOC_INTR_ENAB);
+       mmiowb();
 }
 
 
-/**********************************************************************************/
-/* Functions for isa                                                              */
-/**********************************************************************************/
-
-
-#ifdef CONFIG_TOSHIBA_FPCIB0
-static void __init toshiba_rbtx4927_irq_isa_init(void)
-{
-       int i;
-
-       TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_ISA_INIT,
-                                    "beg=%d end=%d\n",
-                                    TOSHIBA_RBTX4927_IRQ_ISA_BEG,
-                                    TOSHIBA_RBTX4927_IRQ_ISA_END);
-
-       for (i = TOSHIBA_RBTX4927_IRQ_ISA_BEG;
-            i <= TOSHIBA_RBTX4927_IRQ_ISA_END; i++)
-               set_irq_chip_and_handler(i, &toshiba_rbtx4927_irq_isa_type,
-                                        handle_level_irq);
-
-       setup_irq(TOSHIBA_RBTX4927_IRQ_NEST_ISA_ON_IOC,
-                 &toshiba_rbtx4927_irq_isa_master);
-       setup_irq(TOSHIBA_RBTX4927_IRQ_NEST_ISA_ON_ISA,
-                 &toshiba_rbtx4927_irq_isa_slave);
-
-       /* make sure we are looking at IRR (not ISR) */
-       outb(0x0A, 0x20);
-       outb(0x0A, 0xA0);
-}
-#endif
-
-
-#ifdef CONFIG_TOSHIBA_FPCIB0
-static void toshiba_rbtx4927_irq_isa_enable(unsigned int irq)
-{
-       TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_ISA_ENABLE,
-                                    "irq=%d\n", irq);
-
-       if (irq < TOSHIBA_RBTX4927_IRQ_ISA_BEG
-           || irq > TOSHIBA_RBTX4927_IRQ_ISA_END) {
-               TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR,
-                                            "bad irq=%d\n", irq);
-               panic("\n");
-       }
-
-       enable_8259A_irq(irq);
-}
-#endif
-
-
-#ifdef CONFIG_TOSHIBA_FPCIB0
-static void toshiba_rbtx4927_irq_isa_disable(unsigned int irq)
-{
-       TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_ISA_DISABLE,
-                                    "irq=%d\n", irq);
-
-       if (irq < TOSHIBA_RBTX4927_IRQ_ISA_BEG
-           || irq > TOSHIBA_RBTX4927_IRQ_ISA_END) {
-               TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR,
-                                            "bad irq=%d\n", irq);
-               panic("\n");
-       }
-
-       disable_8259A_irq(irq);
-}
-#endif
-
-
-#ifdef CONFIG_TOSHIBA_FPCIB0
-static void toshiba_rbtx4927_irq_isa_mask_and_ack(unsigned int irq)
-{
-       TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_ISA_MASK,
-                                    "irq=%d\n", irq);
-
-       if (irq < TOSHIBA_RBTX4927_IRQ_ISA_BEG
-           || irq > TOSHIBA_RBTX4927_IRQ_ISA_END) {
-               TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR,
-                                            "bad irq=%d\n", irq);
-               panic("\n");
-       }
-
-       mask_and_ack_8259A(irq);
-}
-#endif
-
-
 void __init arch_init_irq(void)
 {
        extern void tx4927_irq_init(void);
@@ -471,12 +322,11 @@ void __init arch_init_irq(void)
        tx4927_irq_init();
        toshiba_rbtx4927_irq_ioc_init();
 #ifdef CONFIG_TOSHIBA_FPCIB0
-       {
-               if (tx4927_using_backplane) {
-                       toshiba_rbtx4927_irq_isa_init();
-               }
-       }
+       if (tx4927_using_backplane)
+               init_i8259_irqs();
 #endif
+       /* Onboard 10M Ether: High Active */
+       set_irq_type(RBTX4927_RTL_8019_IRQ, IRQF_TRIGGER_HIGH);
 
        wbflush();
 }
@@ -538,12 +388,12 @@ void toshiba_rbtx4927_irq_dump_pics(char *s)
        level1_m = level0_m;
        level1_s = level0_s & 0x87;
 
-       level2 = TX4927_RD(0xff1ff6a0);
+       level2 = __raw_readl((void __iomem *)0xff1ff6a0UL);
        level2_p = (((level2 & 0x10000)) ? 0 : 1);
        level2_s = (((level2 & 0x1f) == 0x1f) ? 0 : (level2 & 0x1f));
 
-       level3_m = reg_rd08(TOSHIBA_RBTX4927_IOC_INTR_ENAB) & 0x1f;
-       level3_s = reg_rd08(TOSHIBA_RBTX4927_IOC_INTR_STAT) & 0x1f;
+       level3_m = readb(TOSHIBA_RBTX4927_IOC_INTR_ENAB) & 0x1f;
+       level3_s = readb(TOSHIBA_RBTX4927_IOC_INTR_STAT) & 0x1f;
 
        level4_m = inb(0x21);
        outb(0x0A, 0x20);