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[MIPS] Introduce _machine_restart

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Handles machine specific functions by using weak functions.

Signed-off-by: Shinya Kuribayashi <skuribay@ruby.dti.ne.jp>
This commit is contained in:
Shinya Kuribayashi 2008-03-25 21:30:07 +09:00
parent decaba6f5c
commit b0c66af53e
5 changed files with 42 additions and 8 deletions
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6
board/incaip/incaip.c
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@ -26,9 +26,15 @@
#include <asm/addrspace.h> #include <asm/addrspace.h>
#include <asm/inca-ip.h> #include <asm/inca-ip.h>
#include <asm/io.h> #include <asm/io.h>
#include <asm/reboot.h>
extern uint incaip_get_cpuclk(void); extern uint incaip_get_cpuclk(void);
void _machine_restart(void)
{
*INCA_IP_WDT_RST_REQ = 0x3f;
}
static ulong max_sdram_size(void) static ulong max_sdram_size(void)
{ {
/* The only supported SDRAM data width is 16bit. /* The only supported SDRAM data width is 16bit.

8
board/purple/purple.c
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@ -29,6 +29,7 @@
#include <asm/io.h> #include <asm/io.h>
#include <asm/addrspace.h> #include <asm/addrspace.h>
#include <asm/cacheops.h> #include <asm/cacheops.h>
#include <asm/reboot.h>
#include "sconsole.h" #include "sconsole.h"
@ -52,6 +53,13 @@ extern int asc_serial_getc (void);
extern int asc_serial_tstc (void); extern int asc_serial_tstc (void);
extern void asc_serial_setbrg (void); extern void asc_serial_setbrg (void);
void _machine_restart(void)
{
void (*f)(void) = (void *) 0xbfc00000;
f();
}
static void sdram_timing_init (ulong size) static void sdram_timing_init (ulong size)
{ {
register uint pass; register uint pass;

9
board/tb0229/tb0229.c
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@ -12,10 +12,17 @@
#include <common.h> #include <common.h>
#include <command.h> #include <command.h>
#include <asm/addrspace.h> #include <asm/addrspace.h>
#include <asm/inca-ip.h>
#include <asm/io.h> #include <asm/io.h>
#include <asm/reboot.h>
#include <pci.h> #include <pci.h>
void _machine_restart(void)
{
void (*f)(void) = (void *) 0xbfc00000;
f();
}
#if defined(CONFIG_PCI) #if defined(CONFIG_PCI)
static struct pci_controller hose; static struct pci_controller hose;

13
cpu/mips/cpu.c
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@ -23,9 +23,9 @@
#include <common.h> #include <common.h>
#include <command.h> #include <command.h>
#include <asm/inca-ip.h>
#include <asm/mipsregs.h> #include <asm/mipsregs.h>
#include <asm/cacheops.h> #include <asm/cacheops.h>
#include <asm/reboot.h>
#define cache_op(op,addr) \ #define cache_op(op,addr) \
__asm__ __volatile__( \ __asm__ __volatile__( \
@ -37,15 +37,14 @@
: \ : \
: "i" (op), "R" (*(unsigned char *)(addr))) : "i" (op), "R" (*(unsigned char *)(addr)))
void __attribute__((weak)) _machine_restart(void)
{
}
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{ {
#if defined(CONFIG_INCA_IP) _machine_restart();
*INCA_IP_WDT_RST_REQ = 0x3f;
#elif defined(CONFIG_PURPLE) || defined(CONFIG_TB0229)
void (*f)(void) = (void *) 0xbfc00000;
f();
#endif
fprintf(stderr, "*** reset failed ***\n"); fprintf(stderr, "*** reset failed ***\n");
return 0; return 0;
} }

14
include/asm-mips/reboot.h Normal file
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@ -0,0 +1,14 @@
/*
* 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.
*
* Copyright (C) 1997, 1999, 2001, 06 by Ralf Baechle
* Copyright (C) 2001 MIPS Technologies, Inc.
*/
#ifndef _ASM_REBOOT_H
#define _ASM_REBOOT_H
extern void _machine_restart(void);
#endif /* _ASM_REBOOT_H */