diff options
Diffstat (limited to 'arch/sh/lib64/panic.c')
| -rw-r--r-- | arch/sh/lib64/panic.c | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/arch/sh/lib64/panic.c b/arch/sh/lib64/panic.c index da32ba7b5fcc..38c954e04f6a 100644 --- a/arch/sh/lib64/panic.c +++ b/arch/sh/lib64/panic.c | |||
| @@ -6,53 +6,10 @@ | |||
| 6 | * for more details. | 6 | * for more details. |
| 7 | */ | 7 | */ |
| 8 | 8 | ||
| 9 | #include <linux/kernel.h> | ||
| 10 | #include <asm/io.h> | ||
| 11 | #include <cpu/registers.h> | ||
| 12 | |||
| 13 | /* THIS IS A PHYSICAL ADDRESS */ | ||
| 14 | #define HDSP2534_ADDR (0x04002100) | ||
| 15 | |||
| 16 | #ifdef CONFIG_SH_CAYMAN | ||
| 17 | |||
| 18 | static void poor_mans_delay(void) | ||
| 19 | { | ||
| 20 | int i; | ||
| 21 | for (i = 0; i < 2500000; i++) { | ||
| 22 | } /* poor man's delay */ | ||
| 23 | } | ||
| 24 | |||
| 25 | static void show_value(unsigned long x) | ||
| 26 | { | ||
| 27 | int i; | ||
| 28 | unsigned nibble; | ||
| 29 | for (i = 0; i < 8; i++) { | ||
| 30 | nibble = ((x >> (i * 4)) & 0xf); | ||
| 31 | |||
| 32 | ctrl_outb(nibble + ((nibble > 9) ? 55 : 48), | ||
| 33 | HDSP2534_ADDR + 0xe0 + ((7 - i) << 2)); | ||
| 34 | } | ||
| 35 | } | ||
| 36 | |||
| 37 | #endif | ||
| 38 | |||
| 39 | void | 9 | void |
| 40 | panic_handler(unsigned long panicPC, unsigned long panicSSR, | 10 | panic_handler(unsigned long panicPC, unsigned long panicSSR, |
| 41 | unsigned long panicEXPEVT) | 11 | unsigned long panicEXPEVT) |
| 42 | { | 12 | { |
| 43 | #ifdef CONFIG_SH_CAYMAN | ||
| 44 | while (1) { | ||
| 45 | /* This piece of code displays the PC on the LED display */ | ||
| 46 | show_value(panicPC); | ||
| 47 | poor_mans_delay(); | ||
| 48 | show_value(panicSSR); | ||
| 49 | poor_mans_delay(); | ||
| 50 | show_value(panicEXPEVT); | ||
| 51 | poor_mans_delay(); | ||
| 52 | } | ||
| 53 | #endif | ||
| 54 | |||
| 55 | /* Never return from the panic handler */ | 13 | /* Never return from the panic handler */ |
| 56 | for (;;) ; | 14 | for (;;) ; |
| 57 | |||
| 58 | } | 15 | } |
