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yaml
---
r: 146729
b: refs/heads/master
c: 7d170b1
h: refs/heads/master
i:
  146727: 146a360
v: v3
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Paul Mundt committed May 8, 2009
1 parent e0687e5 commit dca3f09
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Showing 4 changed files with 51 additions and 45 deletions.
2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: ef9f89996e450e9686816b6fc1e34d7b9a65766c
refs/heads/master: 7d170b1bc540a1d83098a9f27cf4939e026fda81
2 changes: 1 addition & 1 deletion trunk/arch/sh/boards/mach-cayman/Makefile
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@@ -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
49 changes: 49 additions & 0 deletions trunk/arch/sh/boards/mach-cayman/panic.c
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/*
* 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();
}
}
43 changes: 0 additions & 43 deletions trunk/arch/sh/lib64/panic.c
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Expand Up @@ -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 (;;) ;

}

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