1 /***************************************************************************/
4 * linux/arch/m68knommu/platform/528x/config.c
6 * Sub-architcture dependant initialization code for the Motorola
9 * Copyright (C) 1999-2003, Greg Ungerer (gerg@snapgear.com)
10 * Copyright (C) 2001-2003, SnapGear Inc. (www.snapgear.com)
13 /***************************************************************************/
15 #include <linux/kernel.h>
16 #include <linux/sched.h>
17 #include <linux/param.h>
18 #include <linux/init.h>
19 #include <linux/interrupt.h>
21 #include <asm/traps.h>
22 #include <asm/machdep.h>
23 #include <asm/coldfire.h>
24 #include <asm/mcfsim.h>
25 #include <asm/mcfdma.h>
27 /***************************************************************************/
29 void coldfire_pit_tick(void);
30 void coldfire_pit_init(irq_handler_t handler
);
31 unsigned long coldfire_pit_offset(void);
32 void coldfire_trap_init(void);
33 void coldfire_reset(void);
35 /***************************************************************************/
38 * DMA channel base address table.
40 unsigned int dma_base_addr
[MAX_M68K_DMA_CHANNELS
] = {
41 MCF_MBAR
+ MCFDMA_BASE0
,
44 unsigned int dma_device_address
[MAX_M68K_DMA_CHANNELS
];
46 /***************************************************************************/
48 void mcf_disableall(void)
50 *((volatile unsigned long *) (MCF_IPSBAR
+ MCFICM_INTC0
+ MCFINTC_IMRH
)) = 0xffffffff;
51 *((volatile unsigned long *) (MCF_IPSBAR
+ MCFICM_INTC0
+ MCFINTC_IMRL
)) = 0xffffffff;
54 /***************************************************************************/
56 void mcf_autovector(unsigned int vec
)
58 /* Everything is auto-vectored on the 5272 */
61 /***************************************************************************/
63 void config_BSP(char *commandp
, int size
)
67 #ifdef CONFIG_BOOTPARAM
68 strncpy(commandp
, CONFIG_BOOTPARAM_STRING
, size
);
71 memset(commandp
, 0, size
);
74 mach_sched_init
= coldfire_pit_init
;
75 mach_tick
= coldfire_pit_tick
;
76 mach_gettimeoffset
= coldfire_pit_offset
;
77 mach_trap_init
= coldfire_trap_init
;
78 mach_reset
= coldfire_reset
;
81 /***************************************************************************/