[linux-2.6-block.git] / drivers / net / ethernet / broadcom / bgmac.h

#ifndef _BGMAC_H
#define _BGMAC_H

#define pr_fmt(fmt)		KBUILD_MODNAME ": " fmt

#define bgmac_err(bgmac, fmt, ...) \
	dev_err(&(bgmac)->core->dev, fmt, ##__VA_ARGS__)
#define bgmac_warn(bgmac, fmt, ...) \
	dev_warn(&(bgmac)->core->dev, fmt,  ##__VA_ARGS__)
#define bgmac_info(bgmac, fmt, ...) \
	dev_info(&(bgmac)->core->dev, fmt,  ##__VA_ARGS__)
#define bgmac_dbg(bgmac, fmt, ...) \
	dev_dbg(&(bgmac)->core->dev, fmt, ##__VA_ARGS__)

#include <linux/bcma/bcma.h>
#include <linux/netdevice.h>

#define BGMAC_DEV_CTL				0x000
#define  BGMAC_DC_TSM				0x00000002
#define  BGMAC_DC_CFCO				0x00000004
#define  BGMAC_DC_RLSS				0x00000008
#define  BGMAC_DC_MROR				0x00000010
#define  BGMAC_DC_FCM_MASK			0x00000060
#define  BGMAC_DC_FCM_SHIFT			5
#define  BGMAC_DC_NAE				0x00000080
#define  BGMAC_DC_TF				0x00000100
#define  BGMAC_DC_RDS_MASK			0x00030000
#define  BGMAC_DC_RDS_SHIFT			16
#define  BGMAC_DC_TDS_MASK			0x000c0000
#define  BGMAC_DC_TDS_SHIFT			18
#define BGMAC_DEV_STATUS			0x004		/* Configuration of the interface */
#define  BGMAC_DS_RBF				0x00000001
#define  BGMAC_DS_RDF				0x00000002
#define  BGMAC_DS_RIF				0x00000004
#define  BGMAC_DS_TBF				0x00000008
#define  BGMAC_DS_TDF				0x00000010
#define  BGMAC_DS_TIF				0x00000020
#define  BGMAC_DS_PO				0x00000040
#define  BGMAC_DS_MM_MASK			0x00000300	/* Mode of the interface */
#define  BGMAC_DS_MM_SHIFT			8
#define BGMAC_BIST_STATUS			0x00c
#define BGMAC_INT_STATUS			0x020		/* Interrupt status */
#define  BGMAC_IS_MRO				0x00000001
#define  BGMAC_IS_MTO				0x00000002
#define  BGMAC_IS_TFD				0x00000004
#define  BGMAC_IS_LS				0x00000008
#define  BGMAC_IS_MDIO				0x00000010
#define  BGMAC_IS_MR				0x00000020
#define  BGMAC_IS_MT				0x00000040
#define  BGMAC_IS_TO				0x00000080
#define  BGMAC_IS_DESC_ERR			0x00000400	/* Descriptor error */
#define  BGMAC_IS_DATA_ERR			0x00000800	/* Data error */
#define  BGMAC_IS_DESC_PROT_ERR			0x00001000	/* Descriptor protocol error */
#define  BGMAC_IS_RX_DESC_UNDERF		0x00002000	/* Receive descriptor underflow */
#define  BGMAC_IS_RX_F_OVERF			0x00004000	/* Receive FIFO overflow */
#define  BGMAC_IS_TX_F_UNDERF			0x00008000	/* Transmit FIFO underflow */
#define  BGMAC_IS_RX				0x00010000	/* Interrupt for RX queue 0 */
#define  BGMAC_IS_TX0				0x01000000	/* Interrupt for TX queue 0 */
#define  BGMAC_IS_TX1				0x02000000	/* Interrupt for TX queue 1 */
#define  BGMAC_IS_TX2				0x04000000	/* Interrupt for TX queue 2 */
#define  BGMAC_IS_TX3				0x08000000	/* Interrupt for TX queue 3 */
#define  BGMAC_IS_TX_MASK			0x0f000000
#define  BGMAC_IS_INTMASK			0x0f01fcff
#define  BGMAC_IS_ERRMASK			0x0000fc00
#define BGMAC_INT_MASK				0x024		/* Interrupt mask */
#define BGMAC_GP_TIMER				0x028
#define BGMAC_INT_RECV_LAZY			0x100
#define  BGMAC_IRL_TO_MASK			0x00ffffff
#define  BGMAC_IRL_FC_MASK			0xff000000
#define  BGMAC_IRL_FC_SHIFT			24		/* Shift the number of interrupts triggered per received frame */
#define BGMAC_FLOW_CTL_THRESH			0x104		/* Flow control thresholds */
#define BGMAC_WRRTHRESH				0x108
#define BGMAC_GMAC_IDLE_CNT_THRESH		0x10c
#define BGMAC_PHY_ACCESS			0x180		/* PHY access address */
#define  BGMAC_PA_DATA_MASK			0x0000ffff
#define  BGMAC_PA_ADDR_MASK			0x001f0000
#define  BGMAC_PA_ADDR_SHIFT			16
#define  BGMAC_PA_REG_MASK			0x1f000000
#define  BGMAC_PA_REG_SHIFT			24
#define  BGMAC_PA_WRITE				0x20000000
#define  BGMAC_PA_START				0x40000000
#define BGMAC_PHY_CNTL				0x188		/* PHY control address */
#define  BGMAC_PC_EPA_MASK			0x0000001f
#define  BGMAC_PC_MCT_MASK			0x007f0000
#define  BGMAC_PC_MCT_SHIFT			16
#define  BGMAC_PC_MTE				0x00800000
#define BGMAC_TXQ_CTL				0x18c
#define  BGMAC_TXQ_CTL_DBT_MASK			0x00000fff
#define  BGMAC_TXQ_CTL_DBT_SHIFT		0
#define BGMAC_RXQ_CTL				0x190
#define  BGMAC_RXQ_CTL_DBT_MASK			0x00000fff
#define  BGMAC_RXQ_CTL_DBT_SHIFT		0
#define  BGMAC_RXQ_CTL_PTE			0x00001000
#define  BGMAC_RXQ_CTL_MDP_MASK			0x3f000000
#define  BGMAC_RXQ_CTL_MDP_SHIFT		24
#define BGMAC_GPIO_SELECT			0x194
#define BGMAC_GPIO_OUTPUT_EN			0x198

/* For 0x1e0 see BCMA_CLKCTLST. Below are BGMAC specific bits */
#define  BGMAC_BCMA_CLKCTLST_MISC_PLL_REQ	0x00000100
#define  BGMAC_BCMA_CLKCTLST_MISC_PLL_ST	0x01000000

#define BGMAC_HW_WAR				0x1e4
#define BGMAC_PWR_CTL				0x1e8
#define BGMAC_DMA_BASE0				0x200		/* Tx and Rx controller */
#define BGMAC_DMA_BASE1				0x240		/* Tx controller only */
#define BGMAC_DMA_BASE2				0x280		/* Tx controller only */
#define BGMAC_DMA_BASE3				0x2C0		/* Tx controller only */
#define BGMAC_TX_GOOD_OCTETS			0x300
#define BGMAC_TX_GOOD_OCTETS_HIGH		0x304
#define BGMAC_TX_GOOD_PKTS			0x308
#define BGMAC_TX_OCTETS				0x30c
#define BGMAC_TX_OCTETS_HIGH			0x310
#define BGMAC_TX_PKTS				0x314
#define BGMAC_TX_BROADCAST_PKTS			0x318
#define BGMAC_TX_MULTICAST_PKTS			0x31c
#define BGMAC_TX_LEN_64				0x320
#define BGMAC_TX_LEN_65_TO_127			0x324
#define BGMAC_TX_LEN_128_TO_255			0x328
#define BGMAC_TX_LEN_256_TO_511			0x32c
#define BGMAC_TX_LEN_512_TO_1023		0x330
#define BGMAC_TX_LEN_1024_TO_1522		0x334
#define BGMAC_TX_LEN_1523_TO_2047		0x338
#define BGMAC_TX_LEN_2048_TO_4095		0x33c
#define BGMAC_TX_LEN_4095_TO_8191		0x340
#define BGMAC_TX_LEN_8192_TO_MAX		0x344
#define BGMAC_TX_JABBER_PKTS			0x348		/* Error */
#define BGMAC_TX_OVERSIZE_PKTS			0x34c		/* Error */
#define BGMAC_TX_FRAGMENT_PKTS			0x350
#define BGMAC_TX_UNDERRUNS			0x354		/* Error */
#define BGMAC_TX_TOTAL_COLS			0x358
#define BGMAC_TX_SINGLE_COLS			0x35c
#define BGMAC_TX_MULTIPLE_COLS			0x360
#define BGMAC_TX_EXCESSIVE_COLS			0x364		/* Error */
#define BGMAC_TX_LATE_COLS			0x368		/* Error */
#define BGMAC_TX_DEFERED			0x36c
#define BGMAC_TX_CARRIER_LOST			0x370
#define BGMAC_TX_PAUSE_PKTS			0x374
#define BGMAC_TX_UNI_PKTS			0x378
#define BGMAC_TX_Q0_PKTS			0x37c
#define BGMAC_TX_Q0_OCTETS			0x380
#define BGMAC_TX_Q0_OCTETS_HIGH			0x384
#define BGMAC_TX_Q1_PKTS			0x388
#define BGMAC_TX_Q1_OCTETS			0x38c
#define BGMAC_TX_Q1_OCTETS_HIGH			0x390
#define BGMAC_TX_Q2_PKTS			0x394
#define BGMAC_TX_Q2_OCTETS			0x398
#define BGMAC_TX_Q2_OCTETS_HIGH			0x39c
#define BGMAC_TX_Q3_PKTS			0x3a0
#define BGMAC_TX_Q3_OCTETS			0x3a4
#define BGMAC_TX_Q3_OCTETS_HIGH			0x3a8
#define BGMAC_RX_GOOD_OCTETS			0x3b0
#define BGMAC_RX_GOOD_OCTETS_HIGH		0x3b4
#define BGMAC_RX_GOOD_PKTS			0x3b8
#define BGMAC_RX_OCTETS				0x3bc
#define BGMAC_RX_OCTETS_HIGH			0x3c0
#define BGMAC_RX_PKTS				0x3c4
#define BGMAC_RX_BROADCAST_PKTS			0x3c8
#define BGMAC_RX_MULTICAST_PKTS			0x3cc
#define BGMAC_RX_LEN_64				0x3d0
#define BGMAC_RX_LEN_65_TO_127			0x3d4
#define BGMAC_RX_LEN_128_TO_255			0x3d8
#define BGMAC_RX_LEN_256_TO_511			0x3dc
#define BGMAC_RX_LEN_512_TO_1023		0x3e0
#define BGMAC_RX_LEN_1024_TO_1522		0x3e4
#define BGMAC_RX_LEN_1523_TO_2047		0x3e8
#define BGMAC_RX_LEN_2048_TO_4095		0x3ec
#define BGMAC_RX_LEN_4095_TO_8191		0x3f0
#define BGMAC_RX_LEN_8192_TO_MAX		0x3f4
#define BGMAC_RX_JABBER_PKTS			0x3f8		/* Error */
#define BGMAC_RX_OVERSIZE_PKTS			0x3fc		/* Error */
#define BGMAC_RX_FRAGMENT_PKTS			0x400
#define BGMAC_RX_MISSED_PKTS			0x404		/* Error */
#define BGMAC_RX_CRC_ALIGN_ERRS			0x408		/* Error */
#define BGMAC_RX_UNDERSIZE			0x40c		/* Error */
#define BGMAC_RX_CRC_ERRS			0x410		/* Error */
#define BGMAC_RX_ALIGN_ERRS			0x414		/* Error */
#define BGMAC_RX_SYMBOL_ERRS			0x418		/* Error */
#define BGMAC_RX_PAUSE_PKTS			0x41c
#define BGMAC_RX_NONPAUSE_PKTS			0x420
#define BGMAC_RX_SACHANGES			0x424
#define BGMAC_RX_UNI_PKTS			0x428
#define BGMAC_UNIMAC_VERSION			0x800
#define BGMAC_HDBKP_CTL				0x804
#define BGMAC_CMDCFG				0x808		/* Configuration */
#define  BGMAC_CMDCFG_TE			0x00000001	/* Set to activate TX */
#define  BGMAC_CMDCFG_RE			0x00000002	/* Set to activate RX */
#define  BGMAC_CMDCFG_ES_MASK			0x0000000c	/* Ethernet speed see gmac_speed */
#define   BGMAC_CMDCFG_ES_10			0x00000000
#define   BGMAC_CMDCFG_ES_100			0x00000004
#define   BGMAC_CMDCFG_ES_1000			0x00000008
#define   BGMAC_CMDCFG_ES_2500			0x0000000C
#define  BGMAC_CMDCFG_PROM			0x00000010	/* Set to activate promiscuous mode */
#define  BGMAC_CMDCFG_PAD_EN			0x00000020
#define  BGMAC_CMDCFG_CF			0x00000040
#define  BGMAC_CMDCFG_PF			0x00000080
#define  BGMAC_CMDCFG_RPI			0x00000100	/* Unset to enable 802.3x tx flow control */
#define  BGMAC_CMDCFG_TAI			0x00000200
#define  BGMAC_CMDCFG_HD			0x00000400	/* Set if in half duplex mode */
#define  BGMAC_CMDCFG_HD_SHIFT			10
#define  BGMAC_CMDCFG_SR_REV0			0x00000800	/* Set to reset mode, for other revs */
#define  BGMAC_CMDCFG_SR_REV4			0x00002000	/* Set to reset mode, only for core rev 4 */
#define  BGMAC_CMDCFG_SR(rev)  ((rev == 4) ? BGMAC_CMDCFG_SR_REV4 : BGMAC_CMDCFG_SR_REV0)
#define  BGMAC_CMDCFG_ML			0x00008000	/* Set to activate mac loopback mode */
#define  BGMAC_CMDCFG_AE			0x00400000
#define  BGMAC_CMDCFG_CFE			0x00800000
#define  BGMAC_CMDCFG_NLC			0x01000000
#define  BGMAC_CMDCFG_RL			0x02000000
#define  BGMAC_CMDCFG_RED			0x04000000
#define  BGMAC_CMDCFG_PE			0x08000000
#define  BGMAC_CMDCFG_TPI			0x10000000
#define  BGMAC_CMDCFG_AT			0x20000000
#define BGMAC_MACADDR_HIGH			0x80c		/* High 4 octets of own mac address */
#define BGMAC_MACADDR_LOW			0x810		/* Low 2 octets of own mac address */
#define BGMAC_RXMAX_LENGTH			0x814		/* Max receive frame length with vlan tag */
#define BGMAC_PAUSEQUANTA			0x818
#define BGMAC_MAC_MODE				0x844
#define BGMAC_OUTERTAG				0x848
#define BGMAC_INNERTAG				0x84c
#define BGMAC_TXIPG				0x85c
#define BGMAC_PAUSE_CTL				0xb30
#define BGMAC_TX_FLUSH				0xb34
#define BGMAC_RX_STATUS				0xb38
#define BGMAC_TX_STATUS				0xb3c

/* BCMA GMAC core specific IO Control (BCMA_IOCTL) flags */
#define BGMAC_BCMA_IOCTL_SW_CLKEN		0x00000004	/* PHY Clock Enable */
#define BGMAC_BCMA_IOCTL_SW_RESET		0x00000008	/* PHY Reset */

/* BCMA GMAC core specific IO status (BCMA_IOST) flags */
#define BGMAC_BCMA_IOST_ATTACHED		0x00000800

#define BGMAC_NUM_MIB_TX_REGS	\
		(((BGMAC_TX_Q3_OCTETS_HIGH - BGMAC_TX_GOOD_OCTETS) / 4) + 1)
#define BGMAC_NUM_MIB_RX_REGS	\
		(((BGMAC_RX_UNI_PKTS - BGMAC_RX_GOOD_OCTETS) / 4) + 1)

#define BGMAC_DMA_TX_CTL			0x00
#define  BGMAC_DMA_TX_ENABLE			0x00000001
#define  BGMAC_DMA_TX_SUSPEND			0x00000002
#define  BGMAC_DMA_TX_LOOPBACK			0x00000004
#define  BGMAC_DMA_TX_FLUSH			0x00000010
#define  BGMAC_DMA_TX_MR_MASK			0x000000C0	/* Multiple outstanding reads */
#define  BGMAC_DMA_TX_MR_SHIFT			6
#define   BGMAC_DMA_TX_MR_1			0
#define   BGMAC_DMA_TX_MR_2			1
#define  BGMAC_DMA_TX_PARITY_DISABLE		0x00000800
#define  BGMAC_DMA_TX_ADDREXT_MASK		0x00030000
#define  BGMAC_DMA_TX_ADDREXT_SHIFT		16
#define  BGMAC_DMA_TX_BL_MASK			0x001C0000	/* BurstLen bits */
#define  BGMAC_DMA_TX_BL_SHIFT			18
#define   BGMAC_DMA_TX_BL_16			0
#define   BGMAC_DMA_TX_BL_32			1
#define   BGMAC_DMA_TX_BL_64			2
#define   BGMAC_DMA_TX_BL_128			3
#define   BGMAC_DMA_TX_BL_256			4
#define   BGMAC_DMA_TX_BL_512			5
#define   BGMAC_DMA_TX_BL_1024			6
#define  BGMAC_DMA_TX_PC_MASK			0x00E00000	/* Prefetch control */
#define  BGMAC_DMA_TX_PC_SHIFT			21
#define   BGMAC_DMA_TX_PC_0			0
#define   BGMAC_DMA_TX_PC_4			1
#define   BGMAC_DMA_TX_PC_8			2
#define   BGMAC_DMA_TX_PC_16			3
#define  BGMAC_DMA_TX_PT_MASK			0x03000000	/* Prefetch threshold */
#define  BGMAC_DMA_TX_PT_SHIFT			24
#define   BGMAC_DMA_TX_PT_1			0
#define   BGMAC_DMA_TX_PT_2			1
#define   BGMAC_DMA_TX_PT_4			2
#define   BGMAC_DMA_TX_PT_8			3
#define BGMAC_DMA_TX_INDEX			0x04
#define BGMAC_DMA_TX_RINGLO			0x08
#define BGMAC_DMA_TX_RINGHI			0x0C
#define BGMAC_DMA_TX_STATUS			0x10
#define  BGMAC_DMA_TX_STATDPTR			0x00001FFF
#define  BGMAC_DMA_TX_STAT			0xF0000000
#define   BGMAC_DMA_TX_STAT_DISABLED		0x00000000
#define   BGMAC_DMA_TX_STAT_ACTIVE		0x10000000
#define   BGMAC_DMA_TX_STAT_IDLEWAIT		0x20000000
#define   BGMAC_DMA_TX_STAT_STOPPED		0x30000000
#define   BGMAC_DMA_TX_STAT_SUSP		0x40000000
#define BGMAC_DMA_TX_ERROR			0x14
#define  BGMAC_DMA_TX_ERRDPTR			0x0001FFFF
#define  BGMAC_DMA_TX_ERR			0xF0000000
#define   BGMAC_DMA_TX_ERR_NOERR		0x00000000
#define   BGMAC_DMA_TX_ERR_PROT			0x10000000
#define   BGMAC_DMA_TX_ERR_UNDERRUN		0x20000000
#define   BGMAC_DMA_TX_ERR_TRANSFER		0x30000000
#define   BGMAC_DMA_TX_ERR_DESCREAD		0x40000000
#define   BGMAC_DMA_TX_ERR_CORE			0x50000000
#define BGMAC_DMA_RX_CTL			0x20
#define  BGMAC_DMA_RX_ENABLE			0x00000001
#define  BGMAC_DMA_RX_FRAME_OFFSET_MASK		0x000000FE
#define  BGMAC_DMA_RX_FRAME_OFFSET_SHIFT	1
#define  BGMAC_DMA_RX_DIRECT_FIFO		0x00000100
#define  BGMAC_DMA_RX_OVERFLOW_CONT		0x00000400
#define  BGMAC_DMA_RX_PARITY_DISABLE		0x00000800
#define  BGMAC_DMA_RX_MR_MASK			0x000000C0	/* Multiple outstanding reads */
#define  BGMAC_DMA_RX_MR_SHIFT			6
#define   BGMAC_DMA_TX_MR_1			0
#define   BGMAC_DMA_TX_MR_2			1
#define  BGMAC_DMA_RX_ADDREXT_MASK		0x00030000
#define  BGMAC_DMA_RX_ADDREXT_SHIFT		16
#define  BGMAC_DMA_RX_BL_MASK			0x001C0000	/* BurstLen bits */
#define  BGMAC_DMA_RX_BL_SHIFT			18
#define   BGMAC_DMA_RX_BL_16			0
#define   BGMAC_DMA_RX_BL_32			1
#define   BGMAC_DMA_RX_BL_64			2
#define   BGMAC_DMA_RX_BL_128			3
#define   BGMAC_DMA_RX_BL_256			4
#define   BGMAC_DMA_RX_BL_512			5
#define   BGMAC_DMA_RX_BL_1024			6
#define  BGMAC_DMA_RX_PC_MASK			0x00E00000	/* Prefetch control */
#define  BGMAC_DMA_RX_PC_SHIFT			21
#define   BGMAC_DMA_RX_PC_0			0
#define   BGMAC_DMA_RX_PC_4			1
#define   BGMAC_DMA_RX_PC_8			2
#define   BGMAC_DMA_RX_PC_16			3
#define  BGMAC_DMA_RX_PT_MASK			0x03000000	/* Prefetch threshold */
#define  BGMAC_DMA_RX_PT_SHIFT			24
#define   BGMAC_DMA_RX_PT_1			0
#define   BGMAC_DMA_RX_PT_2			1
#define   BGMAC_DMA_RX_PT_4			2
#define   BGMAC_DMA_RX_PT_8			3
#define BGMAC_DMA_RX_INDEX			0x24
#define BGMAC_DMA_RX_RINGLO			0x28
#define BGMAC_DMA_RX_RINGHI			0x2C
#define BGMAC_DMA_RX_STATUS			0x30
#define  BGMAC_DMA_RX_STATDPTR			0x00001FFF
#define  BGMAC_DMA_RX_STAT			0xF0000000
#define   BGMAC_DMA_RX_STAT_DISABLED		0x00000000
#define   BGMAC_DMA_RX_STAT_ACTIVE		0x10000000
#define   BGMAC_DMA_RX_STAT_IDLEWAIT		0x20000000
#define   BGMAC_DMA_RX_STAT_STOPPED		0x30000000
#define   BGMAC_DMA_RX_STAT_SUSP		0x40000000
#define BGMAC_DMA_RX_ERROR			0x34
#define  BGMAC_DMA_RX_ERRDPTR			0x0001FFFF
#define  BGMAC_DMA_RX_ERR			0xF0000000
#define   BGMAC_DMA_RX_ERR_NOERR		0x00000000
#define   BGMAC_DMA_RX_ERR_PROT			0x10000000
#define   BGMAC_DMA_RX_ERR_UNDERRUN		0x20000000
#define   BGMAC_DMA_RX_ERR_TRANSFER		0x30000000
#define   BGMAC_DMA_RX_ERR_DESCREAD		0x40000000
#define   BGMAC_DMA_RX_ERR_CORE			0x50000000

#define BGMAC_DESC_CTL0_EOT			0x10000000	/* End of ring */
#define BGMAC_DESC_CTL0_IOC			0x20000000	/* IRQ on complete */
#define BGMAC_DESC_CTL0_SOF			0x40000000	/* Start of frame */
#define BGMAC_DESC_CTL0_EOF			0x80000000	/* End of frame */
#define BGMAC_DESC_CTL1_LEN			0x00001FFF

#define BGMAC_PHY_NOREGS			0x1E
#define BGMAC_PHY_MASK				0x1F

#define BGMAC_MAX_TX_RINGS			4
#define BGMAC_MAX_RX_RINGS			1

#define BGMAC_TX_RING_SLOTS			128
#define BGMAC_RX_RING_SLOTS			512 - 1		/* Why -1? Well, Broadcom does that... */

#define BGMAC_RX_HEADER_LEN			28		/* Last 24 bytes are unused. Well... */
#define BGMAC_RX_FRAME_OFFSET			30		/* There are 2 unused bytes between header and real data */
#define BGMAC_RX_MAX_FRAME_SIZE			1536		/* Copied from b44/tg3 */
#define BGMAC_RX_BUF_SIZE			(BGMAC_RX_FRAME_OFFSET + BGMAC_RX_MAX_FRAME_SIZE)

#define BGMAC_BFL_ENETROBO			0x0010		/* has ephy roboswitch spi */
#define BGMAC_BFL_ENETADM			0x0080		/* has ADMtek switch */
#define BGMAC_BFL_ENETVLAN			0x0100		/* can do vlan */

#define BGMAC_CHIPCTL_1_IF_TYPE_MASK		0x00000030
#define BGMAC_CHIPCTL_1_IF_TYPE_RMII		0x00000000
#define BGMAC_CHIPCTL_1_IF_TYPE_MII		0x00000010
#define BGMAC_CHIPCTL_1_IF_TYPE_RGMII		0x00000020
#define BGMAC_CHIPCTL_1_SW_TYPE_MASK		0x000000C0
#define BGMAC_CHIPCTL_1_SW_TYPE_EPHY		0x00000000
#define BGMAC_CHIPCTL_1_SW_TYPE_EPHYMII		0x00000040
#define BGMAC_CHIPCTL_1_SW_TYPE_EPHYRMII	0x00000080
#define BGMAC_CHIPCTL_1_SW_TYPE_RGMII		0x000000C0
#define BGMAC_CHIPCTL_1_RXC_DLL_BYPASS		0x00010000

#define BGMAC_WEIGHT	64

#define ETHER_MAX_LEN   1518

struct bgmac_slot_info {
	struct sk_buff *skb;
	dma_addr_t dma_addr;
};

struct bgmac_dma_desc {
	__le32 ctl0;
	__le32 ctl1;
	__le32 addr_low;
	__le32 addr_high;
} __packed;

enum bgmac_dma_ring_type {
	BGMAC_DMA_RING_TX,
	BGMAC_DMA_RING_RX,
};

/**
 * bgmac_dma_ring - contains info about DMA ring (either TX or RX one)
 * @start: index of the first slot containing data
 * @end: index of a slot that can *not* be read (yet)
 *
 * Be really aware of the specific @end meaning. It's an index of a slot *after*
 * the one containing data that can be read. If @start equals @end the ring is
 * empty.
 */
struct bgmac_dma_ring {
	u16 num_slots;
	u16 start;
	u16 end;

	u16 mmio_base;
	struct bgmac_dma_desc *cpu_base;
	dma_addr_t dma_base;
	u32 index_base; /* Used for unaligned rings only, otherwise 0 */
	bool unaligned;

	struct bgmac_slot_info slots[BGMAC_RX_RING_SLOTS];
};

struct bgmac_rx_header {
	__le16 len;
	__le16 flags;
	__le16 pad[12];
};

struct bgmac {
	struct bcma_device *core;
	struct bcma_device *cmn; /* Reference to CMN core for BCM4706 */
	struct net_device *net_dev;
	struct napi_struct napi;
	struct mii_bus *mii_bus;
	struct phy_device *phy_dev;

	/* DMA */
	struct bgmac_dma_ring tx_ring[BGMAC_MAX_TX_RINGS];
	struct bgmac_dma_ring rx_ring[BGMAC_MAX_RX_RINGS];

	/* Stats */
	bool stats_grabbed;
	u32 mib_tx_regs[BGMAC_NUM_MIB_TX_REGS];
	u32 mib_rx_regs[BGMAC_NUM_MIB_RX_REGS];

	/* Int */
	u32 int_mask;
	u32 int_status;

	/* Current MAC state */
	int mac_speed;
	int mac_duplex;

	u8 phyaddr;
	bool has_robosw;

	bool loopback;
};

static inline u32 bgmac_read(struct bgmac *bgmac, u16 offset)
{
	return bcma_read32(bgmac->core, offset);
}

static inline void bgmac_write(struct bgmac *bgmac, u16 offset, u32 value)
{
	bcma_write32(bgmac->core, offset, value);
}

static inline void bgmac_maskset(struct bgmac *bgmac, u16 offset, u32 mask,
				   u32 set)
{
	bgmac_write(bgmac, offset, (bgmac_read(bgmac, offset) & mask) | set);
}

static inline void bgmac_mask(struct bgmac *bgmac, u16 offset, u32 mask)
{
	bgmac_maskset(bgmac, offset, mask, 0);
}

static inline void bgmac_set(struct bgmac *bgmac, u16 offset, u32 set)
{
	bgmac_maskset(bgmac, offset, ~0, set);
}

#endif /* _BGMAC_H */
Commit	Line	Data
dd4544f0 RM	1	#ifndef _BGMAC_H
	2	#define _BGMAC_H
	3
	4	#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
	5
	6	#define bgmac_err(bgmac, fmt, ...) \
	7	dev_err(&(bgmac)->core->dev, fmt, ##__VA_ARGS__)
	8	#define bgmac_warn(bgmac, fmt, ...) \
	9	dev_warn(&(bgmac)->core->dev, fmt, ##__VA_ARGS__)
	10	#define bgmac_info(bgmac, fmt, ...) \
	11	dev_info(&(bgmac)->core->dev, fmt, ##__VA_ARGS__)
	12	#define bgmac_dbg(bgmac, fmt, ...) \
	13	dev_dbg(&(bgmac)->core->dev, fmt, ##__VA_ARGS__)
	14
	15	#include <linux/bcma/bcma.h>
	16	#include <linux/netdevice.h>
	17
	18	#define BGMAC_DEV_CTL 0x000
	19	#define BGMAC_DC_TSM 0x00000002
	20	#define BGMAC_DC_CFCO 0x00000004
	21	#define BGMAC_DC_RLSS 0x00000008
	22	#define BGMAC_DC_MROR 0x00000010
	23	#define BGMAC_DC_FCM_MASK 0x00000060
	24	#define BGMAC_DC_FCM_SHIFT 5
	25	#define BGMAC_DC_NAE 0x00000080
	26	#define BGMAC_DC_TF 0x00000100
	27	#define BGMAC_DC_RDS_MASK 0x00030000
	28	#define BGMAC_DC_RDS_SHIFT 16
	29	#define BGMAC_DC_TDS_MASK 0x000c0000
	30	#define BGMAC_DC_TDS_SHIFT 18
	31	#define BGMAC_DEV_STATUS 0x004 /* Configuration of the interface */
	32	#define BGMAC_DS_RBF 0x00000001
	33	#define BGMAC_DS_RDF 0x00000002
	34	#define BGMAC_DS_RIF 0x00000004
	35	#define BGMAC_DS_TBF 0x00000008
	36	#define BGMAC_DS_TDF 0x00000010
	37	#define BGMAC_DS_TIF 0x00000020
	38	#define BGMAC_DS_PO 0x00000040
	39	#define BGMAC_DS_MM_MASK 0x00000300 /* Mode of the interface */
	40	#define BGMAC_DS_MM_SHIFT 8
	41	#define BGMAC_BIST_STATUS 0x00c
	42	#define BGMAC_INT_STATUS 0x020 /* Interrupt status */
	43	#define BGMAC_IS_MRO 0x00000001
	44	#define BGMAC_IS_MTO 0x00000002
	45	#define BGMAC_IS_TFD 0x00000004
	46	#define BGMAC_IS_LS 0x00000008
	47	#define BGMAC_IS_MDIO 0x00000010
	48	#define BGMAC_IS_MR 0x00000020
	49	#define BGMAC_IS_MT 0x00000040
	50	#define BGMAC_IS_TO 0x00000080
	51	#define BGMAC_IS_DESC_ERR 0x00000400 /* Descriptor error */
	52	#define BGMAC_IS_DATA_ERR 0x00000800 /* Data error */
	53	#define BGMAC_IS_DESC_PROT_ERR 0x00001000 /* Descriptor protocol error */
	54	#define BGMAC_IS_RX_DESC_UNDERF 0x00002000 /* Receive descriptor underflow */
	55	#define BGMAC_IS_RX_F_OVERF 0x00004000 /* Receive FIFO overflow */
	56	#define BGMAC_IS_TX_F_UNDERF 0x00008000 /* Transmit FIFO underflow */
	57	#define BGMAC_IS_RX 0x00010000 /* Interrupt for RX queue 0 */
	58	#define BGMAC_IS_TX0 0x01000000 /* Interrupt for TX queue 0 */
	59	#define BGMAC_IS_TX1 0x02000000 /* Interrupt for TX queue 1 */
	60	#define BGMAC_IS_TX2 0x04000000 /* Interrupt for TX queue 2 */
	61	#define BGMAC_IS_TX3 0x08000000 /* Interrupt for TX queue 3 */
	62	#define BGMAC_IS_TX_MASK 0x0f000000
	63	#define BGMAC_IS_INTMASK 0x0f01fcff
	64	#define BGMAC_IS_ERRMASK 0x0000fc00
65	#define BGMAC_INT_MASK 0x024 /* Interrupt mask */
66	#define BGMAC_GP_TIMER 0x028
67	#define BGMAC_INT_RECV_LAZY 0x100
68	#define BGMAC_IRL_TO_MASK 0x00ffffff
69	#define BGMAC_IRL_FC_MASK 0xff000000
70	#define BGMAC_IRL_FC_SHIFT 24 /* Shift the number of interrupts triggered per received frame */
71	#define BGMAC_FLOW_CTL_THRESH 0x104 /* Flow control thresholds */
72	#define BGMAC_WRRTHRESH 0x108
73	#define BGMAC_GMAC_IDLE_CNT_THRESH 0x10c
74	#define BGMAC_PHY_ACCESS 0x180 /* PHY access address */
75	#define BGMAC_PA_DATA_MASK 0x0000ffff
76	#define BGMAC_PA_ADDR_MASK 0x001f0000
77	#define BGMAC_PA_ADDR_SHIFT 16
78	#define BGMAC_PA_REG_MASK 0x1f000000
79	#define BGMAC_PA_REG_SHIFT 24
80	#define BGMAC_PA_WRITE 0x20000000
81	#define BGMAC_PA_START 0x40000000
82	#define BGMAC_PHY_CNTL 0x188 /* PHY control address */
83	#define BGMAC_PC_EPA_MASK 0x0000001f
84	#define BGMAC_PC_MCT_MASK 0x007f0000
85	#define BGMAC_PC_MCT_SHIFT 16
86	#define BGMAC_PC_MTE 0x00800000
87	#define BGMAC_TXQ_CTL 0x18c
88	#define BGMAC_TXQ_CTL_DBT_MASK 0x00000fff
89	#define BGMAC_TXQ_CTL_DBT_SHIFT 0
90	#define BGMAC_RXQ_CTL 0x190
91	#define BGMAC_RXQ_CTL_DBT_MASK 0x00000fff
92	#define BGMAC_RXQ_CTL_DBT_SHIFT 0
93	#define BGMAC_RXQ_CTL_PTE 0x00001000
94	#define BGMAC_RXQ_CTL_MDP_MASK 0x3f000000
95	#define BGMAC_RXQ_CTL_MDP_SHIFT 24
96	#define BGMAC_GPIO_SELECT 0x194
97	#define BGMAC_GPIO_OUTPUT_EN 0x198
1a0ab767 RM	98
	99	/* For 0x1e0 see BCMA_CLKCTLST. Below are BGMAC specific bits */
	100	#define BGMAC_BCMA_CLKCTLST_MISC_PLL_REQ 0x00000100
	101	#define BGMAC_BCMA_CLKCTLST_MISC_PLL_ST 0x01000000
	102
dd4544f0 RM	103	#define BGMAC_HW_WAR 0x1e4
	104	#define BGMAC_PWR_CTL 0x1e8
	105	#define BGMAC_DMA_BASE0 0x200 /* Tx and Rx controller */
	106	#define BGMAC_DMA_BASE1 0x240 /* Tx controller only */
	107	#define BGMAC_DMA_BASE2 0x280 /* Tx controller only */
	108	#define BGMAC_DMA_BASE3 0x2C0 /* Tx controller only */
	109	#define BGMAC_TX_GOOD_OCTETS 0x300
	110	#define BGMAC_TX_GOOD_OCTETS_HIGH 0x304
	111	#define BGMAC_TX_GOOD_PKTS 0x308
	112	#define BGMAC_TX_OCTETS 0x30c
	113	#define BGMAC_TX_OCTETS_HIGH 0x310
	114	#define BGMAC_TX_PKTS 0x314
	115	#define BGMAC_TX_BROADCAST_PKTS 0x318
	116	#define BGMAC_TX_MULTICAST_PKTS 0x31c
	117	#define BGMAC_TX_LEN_64 0x320
	118	#define BGMAC_TX_LEN_65_TO_127 0x324
	119	#define BGMAC_TX_LEN_128_TO_255 0x328
	120	#define BGMAC_TX_LEN_256_TO_511 0x32c
	121	#define BGMAC_TX_LEN_512_TO_1023 0x330
	122	#define BGMAC_TX_LEN_1024_TO_1522 0x334
	123	#define BGMAC_TX_LEN_1523_TO_2047 0x338
	124	#define BGMAC_TX_LEN_2048_TO_4095 0x33c
	125	#define BGMAC_TX_LEN_4095_TO_8191 0x340
	126	#define BGMAC_TX_LEN_8192_TO_MAX 0x344
	127	#define BGMAC_TX_JABBER_PKTS 0x348 /* Error */
	128	#define BGMAC_TX_OVERSIZE_PKTS 0x34c /* Error */
	129	#define BGMAC_TX_FRAGMENT_PKTS 0x350
	130	#define BGMAC_TX_UNDERRUNS 0x354 /* Error */
	131	#define BGMAC_TX_TOTAL_COLS 0x358
	132	#define BGMAC_TX_SINGLE_COLS 0x35c
	133	#define BGMAC_TX_MULTIPLE_COLS 0x360
	134	#define BGMAC_TX_EXCESSIVE_COLS 0x364 /* Error */
	135	#define BGMAC_TX_LATE_COLS 0x368 /* Error */
	136	#define BGMAC_TX_DEFERED 0x36c
	137	#define BGMAC_TX_CARRIER_LOST 0x370
	138	#define BGMAC_TX_PAUSE_PKTS 0x374
	139	#define BGMAC_TX_UNI_PKTS 0x378
	140	#define BGMAC_TX_Q0_PKTS 0x37c
	141	#define BGMAC_TX_Q0_OCTETS 0x380
	142	#define BGMAC_TX_Q0_OCTETS_HIGH 0x384
	143	#define BGMAC_TX_Q1_PKTS 0x388
	144	#define BGMAC_TX_Q1_OCTETS 0x38c
	145	#define BGMAC_TX_Q1_OCTETS_HIGH 0x390
	146	#define BGMAC_TX_Q2_PKTS 0x394
	147	#define BGMAC_TX_Q2_OCTETS 0x398
	148	#define BGMAC_TX_Q2_OCTETS_HIGH 0x39c
	149	#define BGMAC_TX_Q3_PKTS 0x3a0
	150	#define BGMAC_TX_Q3_OCTETS 0x3a4
	151	#define BGMAC_TX_Q3_OCTETS_HIGH 0x3a8
	152	#define BGMAC_RX_GOOD_OCTETS 0x3b0
	153	#define BGMAC_RX_GOOD_OCTETS_HIGH 0x3b4
	154	#define BGMAC_RX_GOOD_PKTS 0x3b8
	155	#define BGMAC_RX_OCTETS 0x3bc
	156	#define BGMAC_RX_OCTETS_HIGH 0x3c0
	157	#define BGMAC_RX_PKTS 0x3c4
	158	#define BGMAC_RX_BROADCAST_PKTS 0x3c8
	159	#define BGMAC_RX_MULTICAST_PKTS 0x3cc
	160	#define BGMAC_RX_LEN_64 0x3d0
	161	#define BGMAC_RX_LEN_65_TO_127 0x3d4
	162	#define BGMAC_RX_LEN_128_TO_255 0x3d8
	163	#define BGMAC_RX_LEN_256_TO_511 0x3dc
	164	#define BGMAC_RX_LEN_512_TO_1023 0x3e0
	165	#define BGMAC_RX_LEN_1024_TO_1522 0x3e4
	166	#define BGMAC_RX_LEN_1523_TO_2047 0x3e8
167	#define BGMAC_RX_LEN_2048_TO_4095 0x3ec
168	#define BGMAC_RX_LEN_4095_TO_8191 0x3f0
169	#define BGMAC_RX_LEN_8192_TO_MAX 0x3f4
170	#define BGMAC_RX_JABBER_PKTS 0x3f8 /* Error */
171	#define BGMAC_RX_OVERSIZE_PKTS 0x3fc /* Error */
172	#define BGMAC_RX_FRAGMENT_PKTS 0x400
173	#define BGMAC_RX_MISSED_PKTS 0x404 /* Error */
174	#define BGMAC_RX_CRC_ALIGN_ERRS 0x408 /* Error */
175	#define BGMAC_RX_UNDERSIZE 0x40c /* Error */
176	#define BGMAC_RX_CRC_ERRS 0x410 /* Error */
177	#define BGMAC_RX_ALIGN_ERRS 0x414 /* Error */
178	#define BGMAC_RX_SYMBOL_ERRS 0x418 /* Error */
179	#define BGMAC_RX_PAUSE_PKTS 0x41c
180	#define BGMAC_RX_NONPAUSE_PKTS 0x420
181	#define BGMAC_RX_SACHANGES 0x424
182	#define BGMAC_RX_UNI_PKTS 0x428
183	#define BGMAC_UNIMAC_VERSION 0x800
184	#define BGMAC_HDBKP_CTL 0x804
185	#define BGMAC_CMDCFG 0x808 /* Configuration */
186	#define BGMAC_CMDCFG_TE 0x00000001 /* Set to activate TX */
187	#define BGMAC_CMDCFG_RE 0x00000002 /* Set to activate RX */
188	#define BGMAC_CMDCFG_ES_MASK 0x0000000c /* Ethernet speed see gmac_speed */
189	#define BGMAC_CMDCFG_ES_10 0x00000000
190	#define BGMAC_CMDCFG_ES_100 0x00000004
191	#define BGMAC_CMDCFG_ES_1000 0x00000008
6df4aff9	192	#define BGMAC_CMDCFG_ES_2500 0x0000000C
dd4544f0 RM	193	#define BGMAC_CMDCFG_PROM 0x00000010 /* Set to activate promiscuous mode */
	194	#define BGMAC_CMDCFG_PAD_EN 0x00000020
	195	#define BGMAC_CMDCFG_CF 0x00000040
	196	#define BGMAC_CMDCFG_PF 0x00000080
	197	#define BGMAC_CMDCFG_RPI 0x00000100 /* Unset to enable 802.3x tx flow control */
	198	#define BGMAC_CMDCFG_TAI 0x00000200
	199	#define BGMAC_CMDCFG_HD 0x00000400 /* Set if in half duplex mode */
	200	#define BGMAC_CMDCFG_HD_SHIFT 10
48e07fbe HM	201	#define BGMAC_CMDCFG_SR_REV0 0x00000800 /* Set to reset mode, for other revs */
	202	#define BGMAC_CMDCFG_SR_REV4 0x00002000 /* Set to reset mode, only for core rev 4 */
	203	#define BGMAC_CMDCFG_SR(rev) ((rev == 4) ? BGMAC_CMDCFG_SR_REV4 : BGMAC_CMDCFG_SR_REV0)
dd4544f0 RM	204	#define BGMAC_CMDCFG_ML 0x00008000 /* Set to activate mac loopback mode */
	205	#define BGMAC_CMDCFG_AE 0x00400000
	206	#define BGMAC_CMDCFG_CFE 0x00800000
	207	#define BGMAC_CMDCFG_NLC 0x01000000
	208	#define BGMAC_CMDCFG_RL 0x02000000
	209	#define BGMAC_CMDCFG_RED 0x04000000
	210	#define BGMAC_CMDCFG_PE 0x08000000
	211	#define BGMAC_CMDCFG_TPI 0x10000000
	212	#define BGMAC_CMDCFG_AT 0x20000000
	213	#define BGMAC_MACADDR_HIGH 0x80c /* High 4 octets of own mac address */
	214	#define BGMAC_MACADDR_LOW 0x810 /* Low 2 octets of own mac address */
	215	#define BGMAC_RXMAX_LENGTH 0x814 /* Max receive frame length with vlan tag */
	216	#define BGMAC_PAUSEQUANTA 0x818
	217	#define BGMAC_MAC_MODE 0x844
	218	#define BGMAC_OUTERTAG 0x848
	219	#define BGMAC_INNERTAG 0x84c
	220	#define BGMAC_TXIPG 0x85c
	221	#define BGMAC_PAUSE_CTL 0xb30
	222	#define BGMAC_TX_FLUSH 0xb34
	223	#define BGMAC_RX_STATUS 0xb38
	224	#define BGMAC_TX_STATUS 0xb3c
	225
dd4544f0 RM	226	/* BCMA GMAC core specific IO Control (BCMA_IOCTL) flags */
	227	#define BGMAC_BCMA_IOCTL_SW_CLKEN 0x00000004 /* PHY Clock Enable */
	228	#define BGMAC_BCMA_IOCTL_SW_RESET 0x00000008 /* PHY Reset */
	229
	230	/* BCMA GMAC core specific IO status (BCMA_IOST) flags */
	231	#define BGMAC_BCMA_IOST_ATTACHED 0x00000800
	232
	233	#define BGMAC_NUM_MIB_TX_REGS \
	234	(((BGMAC_TX_Q3_OCTETS_HIGH - BGMAC_TX_GOOD_OCTETS) / 4) + 1)
	235	#define BGMAC_NUM_MIB_RX_REGS \
	236	(((BGMAC_RX_UNI_PKTS - BGMAC_RX_GOOD_OCTETS) / 4) + 1)
	237
	238	#define BGMAC_DMA_TX_CTL 0x00
	239	#define BGMAC_DMA_TX_ENABLE 0x00000001
	240	#define BGMAC_DMA_TX_SUSPEND 0x00000002
	241	#define BGMAC_DMA_TX_LOOPBACK 0x00000004
	242	#define BGMAC_DMA_TX_FLUSH 0x00000010
56ceecde HM	243	#define BGMAC_DMA_TX_MR_MASK 0x000000C0 /* Multiple outstanding reads */
	244	#define BGMAC_DMA_TX_MR_SHIFT 6
	245	#define BGMAC_DMA_TX_MR_1 0
	246	#define BGMAC_DMA_TX_MR_2 1
dd4544f0 RM	247	#define BGMAC_DMA_TX_PARITY_DISABLE 0x00000800
	248	#define BGMAC_DMA_TX_ADDREXT_MASK 0x00030000
	249	#define BGMAC_DMA_TX_ADDREXT_SHIFT 16
56ceecde HM	250	#define BGMAC_DMA_TX_BL_MASK 0x001C0000 /* BurstLen bits */
	251	#define BGMAC_DMA_TX_BL_SHIFT 18
	252	#define BGMAC_DMA_TX_BL_16 0
	253	#define BGMAC_DMA_TX_BL_32 1
	254	#define BGMAC_DMA_TX_BL_64 2
	255	#define BGMAC_DMA_TX_BL_128 3
	256	#define BGMAC_DMA_TX_BL_256 4
	257	#define BGMAC_DMA_TX_BL_512 5
	258	#define BGMAC_DMA_TX_BL_1024 6
	259	#define BGMAC_DMA_TX_PC_MASK 0x00E00000 /* Prefetch control */
	260	#define BGMAC_DMA_TX_PC_SHIFT 21
	261	#define BGMAC_DMA_TX_PC_0 0
	262	#define BGMAC_DMA_TX_PC_4 1
	263	#define BGMAC_DMA_TX_PC_8 2
	264	#define BGMAC_DMA_TX_PC_16 3
	265	#define BGMAC_DMA_TX_PT_MASK 0x03000000 /* Prefetch threshold */
	266	#define BGMAC_DMA_TX_PT_SHIFT 24
	267	#define BGMAC_DMA_TX_PT_1 0
	268	#define BGMAC_DMA_TX_PT_2 1
	269	#define BGMAC_DMA_TX_PT_4 2
	270	#define BGMAC_DMA_TX_PT_8 3
dd4544f0 RM	271	#define BGMAC_DMA_TX_INDEX 0x04
	272	#define BGMAC_DMA_TX_RINGLO 0x08
	273	#define BGMAC_DMA_TX_RINGHI 0x0C
	274	#define BGMAC_DMA_TX_STATUS 0x10
	275	#define BGMAC_DMA_TX_STATDPTR 0x00001FFF
	276	#define BGMAC_DMA_TX_STAT 0xF0000000
	277	#define BGMAC_DMA_TX_STAT_DISABLED 0x00000000
	278	#define BGMAC_DMA_TX_STAT_ACTIVE 0x10000000
	279	#define BGMAC_DMA_TX_STAT_IDLEWAIT 0x20000000
	280	#define BGMAC_DMA_TX_STAT_STOPPED 0x30000000
	281	#define BGMAC_DMA_TX_STAT_SUSP 0x40000000
	282	#define BGMAC_DMA_TX_ERROR 0x14
	283	#define BGMAC_DMA_TX_ERRDPTR 0x0001FFFF
	284	#define BGMAC_DMA_TX_ERR 0xF0000000
	285	#define BGMAC_DMA_TX_ERR_NOERR 0x00000000
	286	#define BGMAC_DMA_TX_ERR_PROT 0x10000000
	287	#define BGMAC_DMA_TX_ERR_UNDERRUN 0x20000000
	288	#define BGMAC_DMA_TX_ERR_TRANSFER 0x30000000
	289	#define BGMAC_DMA_TX_ERR_DESCREAD 0x40000000
	290	#define BGMAC_DMA_TX_ERR_CORE 0x50000000
	291	#define BGMAC_DMA_RX_CTL 0x20
	292	#define BGMAC_DMA_RX_ENABLE 0x00000001
	293	#define BGMAC_DMA_RX_FRAME_OFFSET_MASK 0x000000FE
	294	#define BGMAC_DMA_RX_FRAME_OFFSET_SHIFT 1
	295	#define BGMAC_DMA_RX_DIRECT_FIFO 0x00000100
	296	#define BGMAC_DMA_RX_OVERFLOW_CONT 0x00000400
	297	#define BGMAC_DMA_RX_PARITY_DISABLE 0x00000800
56ceecde HM	298	#define BGMAC_DMA_RX_MR_MASK 0x000000C0 /* Multiple outstanding reads */
	299	#define BGMAC_DMA_RX_MR_SHIFT 6
	300	#define BGMAC_DMA_TX_MR_1 0
	301	#define BGMAC_DMA_TX_MR_2 1
dd4544f0 RM	302	#define BGMAC_DMA_RX_ADDREXT_MASK 0x00030000
dd4544f0 RM	303	#define BGMAC_DMA_RX_ADDREXT_SHIFT 16
56ceecde HM	304	#define BGMAC_DMA_RX_BL_MASK 0x001C0000 /* BurstLen bits */
	305	#define BGMAC_DMA_RX_BL_SHIFT 18
	306	#define BGMAC_DMA_RX_BL_16 0
	307	#define BGMAC_DMA_RX_BL_32 1
	308	#define BGMAC_DMA_RX_BL_64 2
	309	#define BGMAC_DMA_RX_BL_128 3
	310	#define BGMAC_DMA_RX_BL_256 4
	311	#define BGMAC_DMA_RX_BL_512 5
	312	#define BGMAC_DMA_RX_BL_1024 6
	313	#define BGMAC_DMA_RX_PC_MASK 0x00E00000 /* Prefetch control */
	314	#define BGMAC_DMA_RX_PC_SHIFT 21
	315	#define BGMAC_DMA_RX_PC_0 0
	316	#define BGMAC_DMA_RX_PC_4 1
	317	#define BGMAC_DMA_RX_PC_8 2
	318	#define BGMAC_DMA_RX_PC_16 3
	319	#define BGMAC_DMA_RX_PT_MASK 0x03000000 /* Prefetch threshold */
	320	#define BGMAC_DMA_RX_PT_SHIFT 24
	321	#define BGMAC_DMA_RX_PT_1 0
	322	#define BGMAC_DMA_RX_PT_2 1
	323	#define BGMAC_DMA_RX_PT_4 2
	324	#define BGMAC_DMA_RX_PT_8 3
dd4544f0 RM	325	#define BGMAC_DMA_RX_INDEX 0x24
	326	#define BGMAC_DMA_RX_RINGLO 0x28
	327	#define BGMAC_DMA_RX_RINGHI 0x2C
	328	#define BGMAC_DMA_RX_STATUS 0x30
	329	#define BGMAC_DMA_RX_STATDPTR 0x00001FFF
	330	#define BGMAC_DMA_RX_STAT 0xF0000000
	331	#define BGMAC_DMA_RX_STAT_DISABLED 0x00000000
	332	#define BGMAC_DMA_RX_STAT_ACTIVE 0x10000000
	333	#define BGMAC_DMA_RX_STAT_IDLEWAIT 0x20000000
	334	#define BGMAC_DMA_RX_STAT_STOPPED 0x30000000
	335	#define BGMAC_DMA_RX_STAT_SUSP 0x40000000
	336	#define BGMAC_DMA_RX_ERROR 0x34
	337	#define BGMAC_DMA_RX_ERRDPTR 0x0001FFFF
	338	#define BGMAC_DMA_RX_ERR 0xF0000000
	339	#define BGMAC_DMA_RX_ERR_NOERR 0x00000000
	340	#define BGMAC_DMA_RX_ERR_PROT 0x10000000
	341	#define BGMAC_DMA_RX_ERR_UNDERRUN 0x20000000
	342	#define BGMAC_DMA_RX_ERR_TRANSFER 0x30000000
	343	#define BGMAC_DMA_RX_ERR_DESCREAD 0x40000000
	344	#define BGMAC_DMA_RX_ERR_CORE 0x50000000
	345
	346	#define BGMAC_DESC_CTL0_EOT 0x10000000 /* End of ring */
	347	#define BGMAC_DESC_CTL0_IOC 0x20000000 /* IRQ on complete */
	348	#define BGMAC_DESC_CTL0_SOF 0x40000000 /* Start of frame */
	349	#define BGMAC_DESC_CTL0_EOF 0x80000000 /* End of frame */
	350	#define BGMAC_DESC_CTL1_LEN 0x00001FFF
	351
	352	#define BGMAC_PHY_NOREGS 0x1E
	353	#define BGMAC_PHY_MASK 0x1F
	354
	355	#define BGMAC_MAX_TX_RINGS 4
	356	#define BGMAC_MAX_RX_RINGS 1
	357
	358	#define BGMAC_TX_RING_SLOTS 128
	359	#define BGMAC_RX_RING_SLOTS 512 - 1 /* Why -1? Well, Broadcom does that... */
	360
	361	#define BGMAC_RX_HEADER_LEN 28 /* Last 24 bytes are unused. Well... */
	362	#define BGMAC_RX_FRAME_OFFSET 30 /* There are 2 unused bytes between header and real data */
	363	#define BGMAC_RX_MAX_FRAME_SIZE 1536 /* Copied from b44/tg3 */
	364	#define BGMAC_RX_BUF_SIZE (BGMAC_RX_FRAME_OFFSET + BGMAC_RX_MAX_FRAME_SIZE)
	365
	366	#define BGMAC_BFL_ENETROBO 0x0010 /* has ephy roboswitch spi */
	367	#define BGMAC_BFL_ENETADM 0x0080 /* has ADMtek switch */
	368	#define BGMAC_BFL_ENETVLAN 0x0100 /* can do vlan */
	369
	370	#define BGMAC_CHIPCTL_1_IF_TYPE_MASK 0x00000030
	371	#define BGMAC_CHIPCTL_1_IF_TYPE_RMII 0x00000000
6a391e7b	372	#define BGMAC_CHIPCTL_1_IF_TYPE_MII 0x00000010
dd4544f0 RM	373	#define BGMAC_CHIPCTL_1_IF_TYPE_RGMII 0x00000020
	374	#define BGMAC_CHIPCTL_1_SW_TYPE_MASK 0x000000C0
	375	#define BGMAC_CHIPCTL_1_SW_TYPE_EPHY 0x00000000
	376	#define BGMAC_CHIPCTL_1_SW_TYPE_EPHYMII 0x00000040
	377	#define BGMAC_CHIPCTL_1_SW_TYPE_EPHYRMII 0x00000080
b5a4c2f3	378	#define BGMAC_CHIPCTL_1_SW_TYPE_RGMII 0x000000C0
dd4544f0 RM	379	#define BGMAC_CHIPCTL_1_RXC_DLL_BYPASS 0x00010000
dd4544f0 RM	380
dd4544f0 RM	381	#define BGMAC_WEIGHT 64
	382
	383	#define ETHER_MAX_LEN 1518
	384
	385	struct bgmac_slot_info {
	386	struct sk_buff *skb;
	387	dma_addr_t dma_addr;
	388	};
	389
	390	struct bgmac_dma_desc {
	391	__le32 ctl0;
	392	__le32 ctl1;
	393	__le32 addr_low;
	394	__le32 addr_high;
	395	} __packed;
	396
	397	enum bgmac_dma_ring_type {
	398	BGMAC_DMA_RING_TX,
	399	BGMAC_DMA_RING_RX,
	400	};
	401
	402	/**
	403	* bgmac_dma_ring - contains info about DMA ring (either TX or RX one)
	404	* @start: index of the first slot containing data
	405	* @end: index of a slot that can not be read (yet)
	406	*
	407	* Be really aware of the specific @end meaning. It's an index of a slot after
	408	* the one containing data that can be read. If @start equals @end the ring is
	409	* empty.
	410	*/
	411	struct bgmac_dma_ring {
	412	u16 num_slots;
	413	u16 start;
	414	u16 end;
	415
	416	u16 mmio_base;
	417	struct bgmac_dma_desc *cpu_base;
	418	dma_addr_t dma_base;
9900303e RM	419	u32 index_base; /* Used for unaligned rings only, otherwise 0 */
9900303e RM	420	bool unaligned;
dd4544f0 RM	421
	422	struct bgmac_slot_info slots[BGMAC_RX_RING_SLOTS];
	423	};
	424
	425	struct bgmac_rx_header {
	426	__le16 len;
	427	__le16 flags;
	428	__le16 pad[12];
	429	};
	430
	431	struct bgmac {
	432	struct bcma_device *core;
	433	struct bcma_device cmn; / Reference to CMN core for BCM4706 */
	434	struct net_device *net_dev;
	435	struct napi_struct napi;
11e5e76e	436	struct mii_bus *mii_bus;
5824d2d1	437	struct phy_device *phy_dev;
dd4544f0 RM	438
	439	/* DMA */
	440	struct bgmac_dma_ring tx_ring[BGMAC_MAX_TX_RINGS];
	441	struct bgmac_dma_ring rx_ring[BGMAC_MAX_RX_RINGS];
	442
	443	/* Stats */
	444	bool stats_grabbed;
	445	u32 mib_tx_regs[BGMAC_NUM_MIB_TX_REGS];
	446	u32 mib_rx_regs[BGMAC_NUM_MIB_RX_REGS];
	447
	448	/* Int */
	449	u32 int_mask;
	450	u32 int_status;
	451
5824d2d1 RM	452	/* Current MAC state */
	453	int mac_speed;
	454	int mac_duplex;
dd4544f0 RM	455
	456	u8 phyaddr;
	457	bool has_robosw;
	458
	459	bool loopback;
	460	};
	461
	462	static inline u32 bgmac_read(struct bgmac *bgmac, u16 offset)
	463	{
	464	return bcma_read32(bgmac->core, offset);
	465	}
	466
	467	static inline void bgmac_write(struct bgmac *bgmac, u16 offset, u32 value)
	468	{
	469	bcma_write32(bgmac->core, offset, value);
	470	}
	471
	472	static inline void bgmac_maskset(struct bgmac *bgmac, u16 offset, u32 mask,
	473	u32 set)
	474	{
	475	bgmac_write(bgmac, offset, (bgmac_read(bgmac, offset) & mask) \| set);
	476	}
	477
	478	static inline void bgmac_mask(struct bgmac *bgmac, u16 offset, u32 mask)
	479	{
	480	bgmac_maskset(bgmac, offset, mask, 0);
	481	}
	482
	483	static inline void bgmac_set(struct bgmac *bgmac, u16 offset, u32 set)
	484	{
	485	bgmac_maskset(bgmac, offset, ~0, set);
	486	}
	487
dd4544f0	488	#endif /* _BGMAC_H */