diff options
Diffstat (limited to 'roms/u-boot/arch/blackfin/include/asm/dma.h')
-rw-r--r-- | roms/u-boot/arch/blackfin/include/asm/dma.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/roms/u-boot/arch/blackfin/include/asm/dma.h b/roms/u-boot/arch/blackfin/include/asm/dma.h new file mode 100644 index 00000000..8a7c0793 --- /dev/null +++ b/roms/u-boot/arch/blackfin/include/asm/dma.h @@ -0,0 +1,104 @@ +/* + * dma.h - Blackfin DMA defines/structures/etc... + * + * Copyright 2004-2008 Analog Devices Inc. + * Licensed under the GPL-2 or later. + */ + +#ifndef _BLACKFIN_DMA_H_ +#define _BLACKFIN_DMA_H_ + +#include <linux/types.h> +#ifdef __ADSPBF60x__ +#include <asm/mach-common/bits/dde.h> +#else +#include <asm/mach-common/bits/dma.h> +#endif + +struct dmasg_large { + void *next_desc_addr; + u32 start_addr; + u16 cfg; + u16 x_count; + s16 x_modify; + u16 y_count; + s16 y_modify; +} __attribute__((packed)); + +struct dmasg { + u32 start_addr; + u16 cfg; + u16 x_count; + s16 x_modify; + u16 y_count; + s16 y_modify; +} __attribute__((packed)); + +struct dma_register { +#ifdef __ADSPBF60x__ + void *next_desc_ptr; /* DMA Next Descriptor Pointer register */ + u32 start_addr; /* DMA Start address register */ + u32 config; /* DMA Configuration register */ + + u32 x_count; /* DMA x_count register */ + s32 x_modify; /* DMA x_modify register */ + u32 y_count; /* DMA y_count register */ + s32 y_modify; /* DMA y_modify register */ + u32 __pad0[2]; + + void *curr_desc_ptr; /* DMA Curr Descriptor Pointer register */ + void *prev_desc_ptr; /* DMA Prev Descriptor Pointer register */ + void *curr_addr; /* DMA Current Address Pointer register */ + u32 status; /* DMA irq status register */ + u32 curr_x_count; /* DMA Current x-count register */ + u32 curr_y_count; /* DMA Current y-count register */ + u32 __pad1[2]; + + u32 bw_limit; /* DMA Bandwidth Limit Count */ + u32 curr_bw_limit; /* DMA curr Bandwidth Limit Count */ + u32 bw_monitor; /* DMA Bandwidth Monitor Count */ + u32 curr_bw_monitor; /* DMA curr Bandwidth Monitor Count */ +#else + void *next_desc_ptr; /* DMA Next Descriptor Pointer register */ + u32 start_addr; /* DMA Start address register */ + + u16 config; /* DMA Configuration register */ + u16 dummy1; /* DMA Configuration register */ + + u32 reserved; + + u16 x_count; /* DMA x_count register */ + u16 dummy2; + + s16 x_modify; /* DMA x_modify register */ + u16 dummy3; + + u16 y_count; /* DMA y_count register */ + u16 dummy4; + + s16 y_modify; /* DMA y_modify register */ + u16 dummy5; + + void *curr_desc_ptr; /* DMA Current Descriptor Pointer register */ + + u32 curr_addr_ptr; /* DMA Current Address Pointer register */ + + u16 status; /* DMA irq status register */ + u16 dummy6; + + u16 peripheral_map; /* DMA peripheral map register */ + u16 dummy7; + + u16 curr_x_count; /* DMA Current x-count register */ + u16 dummy8; + + u32 reserved2; + + u16 curr_y_count; /* DMA Current y-count register */ + u16 dummy9; + + u32 reserved3; +#endif +}; + +#endif |