upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/arch/blackfin/include/asm/dma.h

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1.7 KiB

/*
* 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 <asm/mach-common/bits/dma.h>
struct dmasg_large {
void *next_desc_addr;
unsigned long start_addr;
unsigned short cfg;
unsigned short x_count;
short x_modify;
unsigned short y_count;
short y_modify;
} __attribute__((packed));
struct dmasg {
unsigned long start_addr;
unsigned short cfg;
unsigned short x_count;
short x_modify;
unsigned short y_count;
short y_modify;
} __attribute__((packed));
struct dma_register {
void *next_desc_ptr; /* DMA Next Descriptor Pointer register */
unsigned long start_addr; /* DMA Start address register */
unsigned short cfg; /* DMA Configuration register */
unsigned short dummy1; /* DMA Configuration register */
unsigned long reserved;
unsigned short x_count; /* DMA x_count register */
unsigned short dummy2;
short x_modify; /* DMA x_modify register */
unsigned short dummy3;
unsigned short y_count; /* DMA y_count register */
unsigned short dummy4;
short y_modify; /* DMA y_modify register */
unsigned short dummy5;
void *curr_desc_ptr; /* DMA Current Descriptor Pointer
register */
unsigned long curr_addr_ptr; /* DMA Current Address Pointer
register */
unsigned short irq_status; /* DMA irq status register */
unsigned short dummy6;
unsigned short peripheral_map; /* DMA peripheral map register */
unsigned short dummy7;
unsigned short curr_x_count; /* DMA Current x-count register */
unsigned short dummy8;
unsigned long reserved2;
unsigned short curr_y_count; /* DMA Current y-count register */
unsigned short dummy9;
unsigned long reserved3;
};
#endif