blackfin: bf60x: add dma support
Add dma support for bf60x.
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Sonic Zhang <sonic.adi@gmail.com>
diff --git a/arch/blackfin/include/asm/dma.h b/arch/blackfin/include/asm/dma.h
index 21ff1cf..ef1db6e 100644
--- a/arch/blackfin/include/asm/dma.h
+++ b/arch/blackfin/include/asm/dma.h
@@ -8,7 +8,12 @@
#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;
@@ -30,46 +35,70 @@
} __attribute__((packed));
struct dma_register {
+#ifdef __ADSPBF60x__
void *next_desc_ptr; /* DMA Next Descriptor Pointer register */
- unsigned long start_addr; /* DMA Start address register */
+ u32 start_addr; /* DMA Start address register */
+ u32 config; /* DMA Configuration register */
- unsigned short cfg; /* DMA Configuration register */
- unsigned short dummy1; /* 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];
- unsigned long reserved;
+ 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];
- unsigned short x_count; /* DMA x_count register */
- unsigned short dummy2;
+ 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 */
- short x_modify; /* DMA x_modify register */
- unsigned short dummy3;
+ u16 config; /* DMA Configuration register */
+ u16 dummy1; /* DMA Configuration register */
- unsigned short y_count; /* DMA y_count register */
- unsigned short dummy4;
+ u32 reserved;
- short y_modify; /* DMA y_modify register */
- unsigned short dummy5;
+ u16 x_count; /* DMA x_count register */
+ u16 dummy2;
- 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;
+ s16 x_modify; /* DMA x_modify register */
+ u16 dummy3;
- unsigned short peripheral_map; /* DMA peripheral map register */
- unsigned short dummy7;
+ u16 y_count; /* DMA y_count register */
+ u16 dummy4;
- unsigned short curr_x_count; /* DMA Current x-count register */
- unsigned short dummy8;
+ s16 y_modify; /* DMA y_modify register */
+ u16 dummy5;
- unsigned long reserved2;
+ void *curr_desc_ptr; /* DMA Current Descriptor Pointer register */
- unsigned short curr_y_count; /* DMA Current y-count register */
- unsigned short dummy9;
+ u32 curr_addr_ptr; /* DMA Current Address Pointer register */
- unsigned long reserved3;
+ 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