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MIPS: BCM63XX: Move DMA descriptor definition into common header file 

The "IUDMA" engine used by bcm63xx_enet is also used by other blocks,
such as the USB 2.0 device.  Move the definitions into a common file so
that they do not need to be duplicated in each driver.

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/4082/
Signed-off-by: John Crispin <blogic@openwrt.org>
This commit is contained in:
Kevin Cernekee 2012-07-09 01:41:18 +00:00 committed by John Crispin
parent dd89d60c03
commit 932e30b6ea
2 changed files with 35 additions and 29 deletions
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34
arch/mips/include/asm/mach-bcm63xx/bcm63xx_iudma.h Normal file
View File

@ -0,0 +1,34 @@
#ifndef BCM63XX_IUDMA_H_
#define BCM63XX_IUDMA_H_
#include <linux/types.h>
/*
* rx/tx dma descriptor
*/
struct bcm_enet_desc {
u32 len_stat;
u32 address;
};
#define DMADESC_LENGTH_SHIFT 16
#define DMADESC_LENGTH_MASK (0xfff << DMADESC_LENGTH_SHIFT)
#define DMADESC_OWNER_MASK (1 << 15)
#define DMADESC_EOP_MASK (1 << 14)
#define DMADESC_SOP_MASK (1 << 13)
#define DMADESC_ESOP_MASK (DMADESC_EOP_MASK | DMADESC_SOP_MASK)
#define DMADESC_WRAP_MASK (1 << 12)
#define DMADESC_UNDER_MASK (1 << 9)
#define DMADESC_APPEND_CRC (1 << 8)
#define DMADESC_OVSIZE_MASK (1 << 4)
#define DMADESC_RXER_MASK (1 << 2)
#define DMADESC_CRC_MASK (1 << 1)
#define DMADESC_OV_MASK (1 << 0)
#define DMADESC_ERR_MASK (DMADESC_UNDER_MASK | \
DMADESC_OVSIZE_MASK | \
DMADESC_RXER_MASK | \
DMADESC_CRC_MASK | \
DMADESC_OV_MASK)
#endif /* ! BCM63XX_IUDMA_H_ */

30
drivers/net/ethernet/broadcom/bcm63xx_enet.h
View File

@ -10,6 +10,7 @@
#include <bcm63xx_regs.h>
#include <bcm63xx_irq.h>
#include <bcm63xx_io.h>
#include <bcm63xx_iudma.h>
/* default number of descriptor */
#define BCMENET_DEF_RX_DESC 64
@ -30,35 +31,6 @@
*/
#define BCMENET_MAX_MTU 2046
/*
* rx/tx dma descriptor
*/
struct bcm_enet_desc {
u32 len_stat;
u32 address;
};
#define DMADESC_LENGTH_SHIFT 16
#define DMADESC_LENGTH_MASK (0xfff << DMADESC_LENGTH_SHIFT)
#define DMADESC_OWNER_MASK (1 << 15)
#define DMADESC_EOP_MASK (1 << 14)
#define DMADESC_SOP_MASK (1 << 13)
#define DMADESC_ESOP_MASK (DMADESC_EOP_MASK | DMADESC_SOP_MASK)
#define DMADESC_WRAP_MASK (1 << 12)
#define DMADESC_UNDER_MASK (1 << 9)
#define DMADESC_APPEND_CRC (1 << 8)
#define DMADESC_OVSIZE_MASK (1 << 4)
#define DMADESC_RXER_MASK (1 << 2)
#define DMADESC_CRC_MASK (1 << 1)
#define DMADESC_OV_MASK (1 << 0)
#define DMADESC_ERR_MASK (DMADESC_UNDER_MASK | \
DMADESC_OVSIZE_MASK | \
DMADESC_RXER_MASK | \
DMADESC_CRC_MASK | \
DMADESC_OV_MASK)
/*
* MIB Counters register definitions
*/