Commit | Line | Data |
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1da177e4 LT |
1 | /***************************************************************************/ |
2 | ||
3 | /* | |
4 | * linux/arch/m68knommu/platform/527x/config.c | |
5 | * | |
6 | * Sub-architcture dependant initialization code for the Freescale | |
7 | * 5270/5271 CPUs. | |
8 | * | |
9 | * Copyright (C) 1999-2004, Greg Ungerer (gerg@snapgear.com) | |
10 | * Copyright (C) 2001-2004, SnapGear Inc. (www.snapgear.com) | |
11 | */ | |
12 | ||
13 | /***************************************************************************/ | |
14 | ||
1da177e4 LT |
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> | |
20 | #include <asm/dma.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> | |
26 | ||
27 | /***************************************************************************/ | |
28 | ||
29 | void coldfire_pit_tick(void); | |
30 | void coldfire_pit_init(irqreturn_t (*handler)(int, void *, struct pt_regs *)); | |
31 | unsigned long coldfire_pit_offset(void); | |
32 | void coldfire_trap_init(void); | |
33 | void coldfire_reset(void); | |
34 | ||
35 | /***************************************************************************/ | |
36 | ||
37 | /* | |
38 | * DMA channel base address table. | |
39 | */ | |
40 | unsigned int dma_base_addr[MAX_M68K_DMA_CHANNELS] = { | |
41 | MCF_MBAR + MCFDMA_BASE0, | |
42 | }; | |
43 | ||
44 | unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS]; | |
45 | ||
46 | /***************************************************************************/ | |
47 | ||
48 | void mcf_disableall(void) | |
49 | { | |
50 | *((volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRH)) = 0xffffffff; | |
51 | *((volatile unsigned long *) (MCF_IPSBAR + MCFICM_INTC0 + MCFINTC_IMRL)) = 0xffffffff; | |
52 | } | |
53 | ||
54 | /***************************************************************************/ | |
55 | ||
56 | void mcf_autovector(unsigned int vec) | |
57 | { | |
58 | /* Everything is auto-vectored on the 5272 */ | |
59 | } | |
60 | ||
61 | /***************************************************************************/ | |
62 | ||
63 | void config_BSP(char *commandp, int size) | |
64 | { | |
65 | mcf_disableall(); | |
66 | ||
67 | #ifdef CONFIG_BOOTPARAM | |
68 | strncpy(commandp, CONFIG_BOOTPARAM_STRING, size); | |
69 | commandp[size-1] = 0; | |
70 | #else | |
71 | memset(commandp, 0, size); | |
72 | #endif | |
73 | ||
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; | |
79 | } | |
80 | ||
81 | /***************************************************************************/ |