83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
/***************************************************************************/
|
|
|
|
/*
|
|
* linux/arch/m68knommu/platform/523x/config.c
|
|
*
|
|
* Sub-architcture dependant initialization code for the Freescale
|
|
* 523x CPUs.
|
|
*
|
|
* Copyright (C) 1999-2005, Greg Ungerer (gerg@snapgear.com)
|
|
* Copyright (C) 2001-2003, SnapGear Inc. (www.snapgear.com)
|
|
*/
|
|
|
|
/***************************************************************************/
|
|
|
|
#include <linux/config.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/param.h>
|
|
#include <linux/init.h>
|
|
#include <linux/interrupt.h>
|
|
#include <asm/dma.h>
|
|
#include <asm/traps.h>
|
|
#include <asm/machdep.h>
|
|
#include <asm/coldfire.h>
|
|
#include <asm/mcfsim.h>
|
|
#include <asm/mcfdma.h>
|
|
|
|
/***************************************************************************/
|
|
|
|
void coldfire_pit_tick(void);
|
|
void coldfire_pit_init(irqreturn_t (*handler)(int, void *, struct pt_regs *));
|
|
unsigned long coldfire_pit_offset(void);
|
|
void coldfire_trap_init(void);
|
|
void coldfire_reset(void);
|
|
|
|
/***************************************************************************/
|
|
|
|
/*
|
|
* DMA channel base address table.
|
|
*/
|
|
unsigned int dma_base_addr[MAX_M68K_DMA_CHANNELS] = {
|
|
MCF_MBAR + MCFDMA_BASE0,
|
|
};
|
|
|
|
unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS];
|
|
|
|
/***************************************************************************/
|
|
|
|
void mcf_disableall(void)
|
|
{
|
|
*((volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRH)) = 0xffffffff;
|
|
*((volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRL)) = 0xffffffff;
|
|
}
|
|
|
|
/***************************************************************************/
|
|
|
|
void mcf_autovector(unsigned int vec)
|
|
{
|
|
/* Everything is auto-vectored on the 5272 */
|
|
}
|
|
|
|
/***************************************************************************/
|
|
|
|
void config_BSP(char *commandp, int size)
|
|
{
|
|
mcf_disableall();
|
|
|
|
#ifdef CONFIG_BOOTPARAM
|
|
strncpy(commandp, CONFIG_BOOTPARAM_STRING, size);
|
|
commandp[size-1] = 0;
|
|
#else
|
|
memset(commandp, 0, size);
|
|
#endif
|
|
|
|
mach_sched_init = coldfire_pit_init;
|
|
mach_tick = coldfire_pit_tick;
|
|
mach_gettimeoffset = coldfire_pit_offset;
|
|
mach_trap_init = coldfire_trap_init;
|
|
mach_reset = coldfire_reset;
|
|
}
|
|
|
|
/***************************************************************************/
|