Commit cc6e75af authored by Russell King's avatar Russell King

ARM: amba: provide common initializers for static amba devices

Acked-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 2eac58d5
...@@ -92,4 +92,37 @@ void amba_release_regions(struct amba_device *); ...@@ -92,4 +92,37 @@ void amba_release_regions(struct amba_device *);
#define amba_manf(d) AMBA_MANF_BITS((d)->periphid) #define amba_manf(d) AMBA_MANF_BITS((d)->periphid)
#define amba_part(d) AMBA_PART_BITS((d)->periphid) #define amba_part(d) AMBA_PART_BITS((d)->periphid)
#define __AMBA_DEV(busid, data, mask) \
{ \
.coherent_dma_mask = mask, \
.init_name = busid, \
.platform_data = data, \
}
/*
* APB devices do not themselves have the ability to address memory,
* so DMA masks should be zero (much like USB peripheral devices.)
* The DMA controller DMA masks should be used instead (much like
* USB host controllers in conventional PCs.)
*/
#define AMBA_APB_DEVICE(name, busid, id, base, irqs, data) \
struct amba_device name##_device = { \
.dev = __AMBA_DEV(busid, data, 0), \
.res = DEFINE_RES_MEM(base, SZ_4K), \
.irq = irqs, \
.periphid = id, \
}
/*
* AHB devices are DMA capable, so set their DMA masks
*/
#define AMBA_AHB_DEVICE(name, busid, id, base, irqs, data) \
struct amba_device name##_device = { \
.dev = __AMBA_DEV(busid, data, ~0ULL), \
.res = DEFINE_RES_MEM(base, SZ_4K), \
.dma_mask = ~0ULL, \
.irq = irqs, \
.periphid = id, \
}
#endif #endif
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