diff options
| -rw-r--r-- | arch/sh/boards/mach-cayman/Makefile | 2 | ||||
| -rw-r--r-- | arch/sh/boards/mach-cayman/panic.c | 49 | ||||
| -rw-r--r-- | arch/sh/lib64/panic.c | 43 |
3 files changed, 50 insertions, 44 deletions
diff --git a/arch/sh/boards/mach-cayman/Makefile b/arch/sh/boards/mach-cayman/Makefile index cafe1ac3b29..00fa3eaecb1 100644 --- a/arch/sh/boards/mach-cayman/Makefile +++ b/arch/sh/boards/mach-cayman/Makefile @@ -1,4 +1,4 @@ # # Makefile for the Hitachi Cayman specific parts of the kernel # -obj-y := setup.o irq.o +obj-y := setup.o irq.o panic.o diff --git a/arch/sh/boards/mach-cayman/panic.c b/arch/sh/boards/mach-cayman/panic.c new file mode 100644 index 00000000000..d1e67306d07 --- /dev/null +++ b/arch/sh/boards/mach-cayman/panic.c @@ -0,0 +1,49 @@ +/* + * Copyright (C) 2003 Richard Curnow, SuperH UK Limited + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#include <linux/kernel.h> +#include <linux/io.h> +#include <cpu/registers.h> + +/* THIS IS A PHYSICAL ADDRESS */ +#define HDSP2534_ADDR (0x04002100) + +static void poor_mans_delay(void) +{ + int i; + + for (i = 0; i < 2500000; i++) + cpu_relax(); +} + +static void show_value(unsigned long x) +{ + int i; + unsigned nibble; + for (i = 0; i < 8; i++) { + nibble = ((x >> (i * 4)) & 0xf); + + __raw_writeb(nibble + ((nibble > 9) ? 55 : 48), + HDSP2534_ADDR + 0xe0 + ((7 - i) << 2)); + } +} + +void +panic_handler(unsigned long panicPC, unsigned long panicSSR, + unsigned long panicEXPEVT) +{ + while (1) { + /* This piece of code displays the PC on the LED display */ + show_value(panicPC); + poor_mans_delay(); + show_value(panicSSR); + poor_mans_delay(); + show_value(panicEXPEVT); + poor_mans_delay(); + } +} diff --git a/arch/sh/lib64/panic.c b/arch/sh/lib64/panic.c index da32ba7b5fc..38c954e04f6 100644 --- a/arch/sh/lib64/panic.c +++ b/arch/sh/lib64/panic.c @@ -6,53 +6,10 @@ * for more details. */ -#include <linux/kernel.h> -#include <asm/io.h> -#include <cpu/registers.h> - -/* THIS IS A PHYSICAL ADDRESS */ -#define HDSP2534_ADDR (0x04002100) - -#ifdef CONFIG_SH_CAYMAN - -static void poor_mans_delay(void) -{ - int i; - for (i = 0; i < 2500000; i++) { - } /* poor man's delay */ -} - -static void show_value(unsigned long x) -{ - int i; - unsigned nibble; - for (i = 0; i < 8; i++) { - nibble = ((x >> (i * 4)) & 0xf); - - ctrl_outb(nibble + ((nibble > 9) ? 55 : 48), - HDSP2534_ADDR + 0xe0 + ((7 - i) << 2)); - } -} - -#endif - void panic_handler(unsigned long panicPC, unsigned long panicSSR, unsigned long panicEXPEVT) { -#ifdef CONFIG_SH_CAYMAN - while (1) { - /* This piece of code displays the PC on the LED display */ - show_value(panicPC); - poor_mans_delay(); - show_value(panicSSR); - poor_mans_delay(); - show_value(panicEXPEVT); - poor_mans_delay(); - } -#endif - /* Never return from the panic handler */ for (;;) ; - } |