Merge branch 'hotfixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris...

[pandora-kernel.git] / arch / mips / sibyte / bcm1480 / irq.c

diff --git a/arch/mips/sibyte/bcm1480/irq.c b/arch/mips/sibyte/bcm1480/irq.c
index db372a0..a35818e 100644 (file)
--- a/arch/mips/sibyte/bcm1480/irq.c
+++ b/arch/mips/sibyte/bcm1480/irq.c
@@ -57,30 +57,6 @@ static void bcm1480_set_affinity(unsigned int irq, cpumask_t mask);
 extern unsigned long ht_eoi_space;
 #endif
 
-#ifdef CONFIG_KGDB
-#include <asm/gdb-stub.h>
-extern void breakpoint(void);
-static int kgdb_irq;
-#ifdef CONFIG_GDB_CONSOLE
-extern void register_gdb_console(void);
-#endif
-
-/* kgdb is on when configured.  Pass "nokgdb" kernel arg to turn it off */
-static int kgdb_flag = 1;
-static int __init nokgdb(char *str)
-{
-       kgdb_flag = 0;
-       return 1;
-}
-__setup("nokgdb", nokgdb);
-
-/* Default to UART1 */
-int kgdb_port = 1;
-#ifdef CONFIG_SERIAL_SB1250_DUART
-extern char sb1250_duart_present[];
-#endif
-#endif
-
 static struct irq_chip bcm1480_irq_type = {
        .name = "BCM1480-IMR",
        .ack = ack_bcm1480_irq,
@@ -355,61 +331,10 @@ void __init arch_init_irq(void)
         * does its own management of IP7.
         */
 
-#ifdef CONFIG_KGDB
-       imask |= STATUSF_IP6;
-#endif
        /* Enable necessary IPs, disable the rest */
        change_c0_status(ST0_IM, imask);
-
-#ifdef CONFIG_KGDB
-       if (kgdb_flag) {
-               kgdb_irq = K_BCM1480_INT_UART_0 + kgdb_port;
-
-#ifdef CONFIG_SERIAL_SB1250_DUART
-               sb1250_duart_present[kgdb_port] = 0;
-#endif
-               /* Setup uart 1 settings, mapper */
-               /* QQQ FIXME */
-               __raw_writeq(M_DUART_IMR_BRK, IOADDR(A_DUART_IMRREG(kgdb_port)));
-
-               __raw_writeq(IMR_IP6_VAL,
-                            IOADDR(A_BCM1480_IMR_REGISTER(0, R_BCM1480_IMR_INTERRUPT_MAP_BASE_H) +
-                            (kgdb_irq << 3)));
-               bcm1480_unmask_irq(0, kgdb_irq);
-
-#ifdef CONFIG_GDB_CONSOLE
-               register_gdb_console();
-#endif
-               printk("Waiting for GDB on UART port %d\n", kgdb_port);
-               set_debug_traps();
-               breakpoint();
-       }
-#endif
-}
-
-#ifdef CONFIG_KGDB
-
-#include <linux/delay.h>
-
-#define duart_out(reg, val)     csr_out32(val, IOADDR(A_DUART_CHANREG(kgdb_port, reg)))
-#define duart_in(reg)           csr_in32(IOADDR(A_DUART_CHANREG(kgdb_port, reg)))
-
-static void bcm1480_kgdb_interrupt(void)
-{
-       /*
-        * Clear break-change status (allow some time for the remote
-        * host to stop the break, since we would see another
-        * interrupt on the end-of-break too)
-        */
-       kstat.irqs[smp_processor_id()][kgdb_irq]++;
-       mdelay(500);
-       duart_out(R_DUART_CMD, V_DUART_MISC_CMD_RESET_BREAK_INT |
-                               M_DUART_RX_EN | M_DUART_TX_EN);
-       set_async_breakpoint(&get_irq_regs()->cp0_epc);
 }
 
-#endif         /* CONFIG_KGDB */
-
 extern void bcm1480_mailbox_interrupt(void);
 
 static inline void dispatch_ip2(void)
@@ -462,11 +387,6 @@ asmlinkage void plat_irq_dispatch(void)
                bcm1480_mailbox_interrupt();
 #endif
 
-#ifdef CONFIG_KGDB
-       else if (pending & CAUSEF_IP6)
-               bcm1480_kgdb_interrupt();               /* KGDB (uart 1) */
-#endif
-
        else if (pending & CAUSEF_IP2)
                dispatch_ip2();
 }