2 * linux/arch/arm/kernel/dma-ebsa285.c
4 * Copyright (C) 1998 Phil Blundell
6 * DMA functions specific to EBSA-285/CATS architectures
9 * 09-Nov-1998 RMK Split out ISA DMA functions to dma-isa.c
10 * 17-Mar-1999 RMK Allow any EBSA285-like architecture to have
11 * ISA DMA controllers.
13 #include <linux/config.h>
14 #include <linux/init.h>
19 #include <asm/mach/dma.h>
20 #include <asm/hardware/dec21285.h>
23 static int fb_dma_request(dmach_t channel
, dma_t
*dma
)
28 static void fb_dma_enable(dmach_t channel
, dma_t
*dma
)
32 static void fb_dma_disable(dmach_t channel
, dma_t
*dma
)
36 static struct dma_ops fb_dma_ops
= {
38 .request
= fb_dma_request
,
39 .enable
= fb_dma_enable
,
40 .disable
= fb_dma_disable
,
44 void __init
arch_dma_init(dma_t
*dma
)
47 dma
[_DC21285_DMA(0)].d_ops
= &fb_dma_ops
;
48 dma
[_DC21285_DMA(1)].d_ops
= &fb_dma_ops
;
51 if (footbridge_cfn_mode())
52 isa_init_dma(dma
+ _ISA_DMA(0));
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