diff options
author | Jason Wessel <jason.wessel@windriver.com> | 2008-07-29 15:58:52 -0500 |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2008-07-30 21:54:42 +0100 |
commit | 8d60a903d986ffa26c41f0092320a3b9da20bfaf (patch) | |
tree | f05a8ae48e275d55fcfd3acfb7b3b1b601da56ea /arch/mips/sibyte/bcm1480/irq.c | |
parent | 8f8da9adebdf04bfb3b812a7de8706fbf179fd2c (diff) | |
download | linux-8d60a903d986ffa26c41f0092320a3b9da20bfaf.tar.bz2 |
[MIPS] kgdb: Remove existing implementation
This patch explicitly removes the kgdb implementation, for mips which
is intended to be followed by a patch that adds a kgdb implementation
for MIPS that makes use of the kgdb core in the kernel.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/sibyte/bcm1480/irq.c')
-rw-r--r-- | arch/mips/sibyte/bcm1480/irq.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/arch/mips/sibyte/bcm1480/irq.c b/arch/mips/sibyte/bcm1480/irq.c index db372a0f106d..a35818ed4263 100644 --- 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(); } |