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/***************************************************************************/
/*
* linux/arch/m68knommu/platform/5272/config.c
*
* Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com)
* Copyright (C) 2001-2002, SnapGear Inc. (www.snapgear.com)
*/
/***************************************************************************/
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/param.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <asm/irq.h>
#include <asm/dma.h>
#include <asm/traps.h>
#include <asm/machdep.h>
#include <asm/coldfire.h>
#include <asm/mcftimer.h>
#include <asm/mcfsim.h>
#include <asm/mcfdma.h>
/***************************************************************************/
void coldfire_tick(void);
void coldfire_timer_init(irqreturn_t (*handler)(int, void *, struct pt_regs *));
unsigned long coldfire_timer_offset(void);
void coldfire_trap_init(void);
void coldfire_reset(void);
extern unsigned int mcf_timervector;
extern unsigned int mcf_profilevector;
extern unsigned int mcf_timerlevel;
/***************************************************************************/
/*
* Some platforms need software versions of the GPIO data registers.
*/
unsigned short ppdata;
unsigned char ledbank = 0xff;
/***************************************************************************/
/*
* 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 *icrp;
icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1);
icrp[0] = 0x88888888;
icrp[1] = 0x88888888;
icrp[2] = 0x88888888;
icrp[3] = 0x88888888;
}
/***************************************************************************/
void mcf_autovector(unsigned int vec)
{
/* Everything is auto-vectored on the 5272 */
}
/***************************************************************************/
void mcf_settimericr(int timer, int level)
{
volatile unsigned long *icrp;
if ((timer >= 1 ) && (timer <= 4)) {
icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1);
*icrp = (0x8 | level) << ((4 - timer) * 4);
}
}
/***************************************************************************/
int mcf_timerirqpending(int timer)
{
volatile unsigned long *icrp;
if ((timer >= 1 ) && (timer <= 4)) {
icrp = (volatile unsigned long *) (MCF_MBAR + MCFSIM_ICR1);
return (*icrp & (0x8 << ((4 - timer) * 4)));
}
return 0;
}
/***************************************************************************/
void config_BSP(char *commandp, int size)
{
#if defined (CONFIG_MOD5272)
volatile unsigned char *pivrp;
/* Set base of device vectors to be 64 */
pivrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_PIVR);
*pivrp = 0x40;
#endif
mcf_disableall();
#if defined(CONFIG_BOOTPARAM)
strncpy(commandp, CONFIG_BOOTPARAM_STRING, size);
commandp[size-1] = 0;
#elif defined(CONFIG_NETtel) || defined(CONFIG_SCALES)
/* Copy command line from FLASH to local buffer... */
memcpy(commandp, (char *) 0xf0004000, size);
commandp[size-1] = 0;
#elif defined(CONFIG_MTD_KeyTechnology)
/* Copy command line from FLASH to local buffer... */
memcpy(commandp, (char *) 0xffe06000, size);
commandp[size-1] = 0;
#elif defined(CONFIG_CANCam)
/* Copy command line from FLASH to local buffer... */
memcpy(commandp, (char *) 0xf0010000, size);
commandp[size-1] = 0;
#else
memset(commandp, 0, size);
#endif
mcf_timervector = 69;
mcf_profilevector = 70;
mach_sched_init = coldfire_timer_init;
mach_tick = coldfire_tick;
mach_gettimeoffset = coldfire_timer_offset;
mach_trap_init = coldfire_trap_init;
mach_reset = coldfire_reset;
}
/***************************************************************************/
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