text: /* SPDX-License-Identifier: GPL-2.0 */
  #ifndef _BGMAC_H
  #define _BGMAC_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_4096_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_4096_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 core rev 0-3 */
  #define  BGMAC_CMDCFG_SR_REV4			0x00002000	/* Set to reset mode, for core rev >= 4 */
  #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 */
  /* The IOCTL values appear to be different in NS, NSP, and NS2, and do not match
   * the values directly above
   */
  #define BGMAC_CLK_EN				BIT(0)
  #define BGMAC_RESERVED_0			BIT(1)
  #define BGMAC_SOURCE_SYNC_MODE_EN		BIT(2)
  #define BGMAC_DEST_SYNC_MODE_EN			BIT(3)
  #define BGMAC_TX_CLK_OUT_INVERT_EN		BIT(4)
  #define BGMAC_DIRECT_GMII_MODE			BIT(5)
  #define BGMAC_CLK_250_SEL			BIT(6)
  #define BGMAC_AWCACHE				(0xf << 7)
  #define BGMAC_RESERVED_1			(0x1f << 11)
  #define BGMAC_ARCACHE				(0xf << 16)
  #define BGMAC_AWUSER				(0x3f << 20)
  #define BGMAC_ARUSER				(0x3f << 26)
  #define BGMAC_RESERVED				BIT(31)
  
  /* 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_EOF			0x40000000	/* End of frame */
  #define BGMAC_DESC_CTL0_SOF			0x80000000	/* Start of frame */
  #define BGMAC_DESC_CTL1_LEN			0x00003FFF
  
  #define BGMAC_PHY_NOREGS			BRCM_PSEUDO_PHY_ADDR
  #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
  
  #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_BUF_OFFSET			(NET_SKB_PAD + NET_IP_ALIGN - \
  						 BGMAC_RX_FRAME_OFFSET)
  /* Jumbo frame size with FCS */
  #define BGMAC_RX_MAX_FRAME_SIZE			9724
  #define BGMAC_RX_BUF_SIZE			(BGMAC_RX_FRAME_OFFSET + BGMAC_RX_MAX_FRAME_SIZE)
  #define BGMAC_RX_ALLOC_SIZE			(SKB_DATA_ALIGN(BGMAC_RX_BUF_SIZE + BGMAC_RX_BUF_OFFSET) + \
  						 SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
  
  #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_CHIPCTL_4_IF_TYPE_MASK		0x00003000
  #define BGMAC_CHIPCTL_4_IF_TYPE_RMII		0x00000000
  #define BGMAC_CHIPCTL_4_IF_TYPE_MII		0x00001000
  #define BGMAC_CHIPCTL_4_IF_TYPE_RGMII		0x00002000
  #define BGMAC_CHIPCTL_4_SW_TYPE_MASK		0x0000C000
  #define BGMAC_CHIPCTL_4_SW_TYPE_EPHY		0x00000000
  #define BGMAC_CHIPCTL_4_SW_TYPE_EPHYMII		0x00004000
  #define BGMAC_CHIPCTL_4_SW_TYPE_EPHYRMII	0x00008000
  #define BGMAC_CHIPCTL_4_SW_TYPE_RGMII		0x0000C000
  
  #define BGMAC_CHIPCTL_7_IF_TYPE_MASK		0x000000C0
  #define BGMAC_CHIPCTL_7_IF_TYPE_RMII		0x00000000
  #define BGMAC_CHIPCTL_7_IF_TYPE_MII		0x00000040
  #define BGMAC_CHIPCTL_7_IF_TYPE_RGMII		0x00000080
  
  #define BGMAC_WEIGHT	64
  
  #define ETHER_MAX_LEN	(ETH_FRAME_LEN + ETH_FCS_LEN)
  
  /* Feature Flags */
  #define BGMAC_FEAT_TX_MASK_SETUP	BIT(0)
  #define BGMAC_FEAT_RX_MASK_SETUP	BIT(1)
  #define BGMAC_FEAT_IOST_ATTACHED	BIT(2)
  #define BGMAC_FEAT_NO_RESET		BIT(3)
  #define BGMAC_FEAT_MISC_PLL_REQ		BIT(4)
  #define BGMAC_FEAT_SW_TYPE_PHY		BIT(5)
  #define BGMAC_FEAT_SW_TYPE_EPHYRMII	BIT(6)
  #define BGMAC_FEAT_SW_TYPE_RGMII	BIT(7)
  #define BGMAC_FEAT_CMN_PHY_CTL		BIT(8)
  #define BGMAC_FEAT_FLW_CTRL1		BIT(9)
  #define BGMAC_FEAT_FLW_CTRL2		BIT(10)
  #define BGMAC_FEAT_SET_RXQ_CLK		BIT(11)
  #define BGMAC_FEAT_CLKCTLST		BIT(12)
  #define BGMAC_FEAT_NO_CLR_MIB		BIT(13)
  #define BGMAC_FEAT_FORCE_SPEED_2500	BIT(14)
  #define BGMAC_FEAT_CMDCFG_SR_REV4	BIT(15)
  #define BGMAC_FEAT_IRQ_ID_OOB_6		BIT(16)
  #define BGMAC_FEAT_CC4_IF_SW_TYPE	BIT(17)
  #define BGMAC_FEAT_CC4_IF_SW_TYPE_RGMII	BIT(18)
  #define BGMAC_FEAT_CC7_IF_TYPE_RGMII	BIT(19)
  #define BGMAC_FEAT_IDM_MASK		BIT(20)
  
  struct bgmac_slot_info {
  	union {
  		struct sk_buff *skb;
  		void *buf;
  	};
  	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 {
  	u32 start;
  	u32 end;
  
  	struct bgmac_dma_desc *cpu_base;
  	dma_addr_t dma_base;
  	u32 index_base; /* Used for unaligned rings only, otherwise 0 */
  	u16 mmio_base;
  	bool unaligned;
  
  	struct bgmac_slot_info slots[BGMAC_RX_RING_SLOTS];
  };
  
  struct bgmac_rx_header {
  	__le16 len;
  	__le16 flags;
  	__le16 pad[12];
  };
  
  struct bgmac {
  	union {
  		struct {
  			void __iomem *base;
  			void __iomem *idm_base;
  			void __iomem *nicpm_base;
  		} plat;
  		struct {
  			struct bcma_device *core;
  			/* Reference to CMN core for BCM4706 */
  			struct bcma_device *cmn;
  		} bcma;
  	};
  
  	struct device *dev;
  	struct device *dma_dev;
  	u32 feature_flags;
  
  	struct net_device *net_dev;
  	struct napi_struct napi;
  	struct mii_bus *mii_bus;
  
  	/* 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 */
  	int irq;
  	u32 int_mask;
  
  	/* Current MAC state */
  	int mac_speed;
  	int mac_duplex;
  
  	u8 phyaddr;
  	bool has_robosw;
  
  	bool loopback;
  
  	u32 (*read)(struct bgmac *bgmac, u16 offset);
  	void (*write)(struct bgmac *bgmac, u16 offset, u32 value);
  	u32 (*idm_read)(struct bgmac *bgmac, u16 offset);
  	void (*idm_write)(struct bgmac *bgmac, u16 offset, u32 value);
  	bool (*clk_enabled)(struct bgmac *bgmac);
  	void (*clk_enable)(struct bgmac *bgmac, u32 flags);
  	void (*cco_ctl_maskset)(struct bgmac *bgmac, u32 offset, u32 mask,
  				u32 set);
  	u32 (*get_bus_clock)(struct bgmac *bgmac);
  	void (*cmn_maskset32)(struct bgmac *bgmac, u16 offset, u32 mask,
  			      u32 set);
  	int (*phy_connect)(struct bgmac *bgmac);
  };
  
  struct bgmac *bgmac_alloc(struct device *dev);
  int bgmac_enet_probe(struct bgmac *bgmac);
  void bgmac_enet_remove(struct bgmac *bgmac);
  void bgmac_adjust_link(struct net_device *net_dev);
  int bgmac_phy_connect_direct(struct bgmac *bgmac);
  int bgmac_enet_suspend(struct bgmac *bgmac);
  int bgmac_enet_resume(struct bgmac *bgmac);
  
  struct mii_bus *bcma_mdio_mii_register(struct bgmac *bgmac);
  void bcma_mdio_mii_unregister(struct mii_bus *mii_bus);
  
  static inline u32 bgmac_read(struct bgmac *bgmac, u16 offset)
  {
  	return bgmac->read(bgmac, offset);
  }
  
  static inline void bgmac_write(struct bgmac *bgmac, u16 offset, u32 value)
  {
  	bgmac->write(bgmac, offset, value);
  }
  
  static inline u32 bgmac_idm_read(struct bgmac *bgmac, u16 offset)
  {
  	return bgmac->idm_read(bgmac, offset);
  }
  
  static inline void bgmac_idm_write(struct bgmac *bgmac, u16 offset, u32 value)
  {
  	bgmac->idm_write(bgmac, offset, value);
  }
  
  static inline bool bgmac_clk_enabled(struct bgmac *bgmac)
  {
  	return bgmac->clk_enabled(bgmac);
  }
  
  static inline void bgmac_clk_enable(struct bgmac *bgmac, u32 flags)
  {
  	bgmac->clk_enable(bgmac, flags);
  }
  
  static inline void bgmac_cco_ctl_maskset(struct bgmac *bgmac, u32 offset,
  					 u32 mask, u32 set)
  {
  	bgmac->cco_ctl_maskset(bgmac, offset, mask, set);
  }
  
  static inline u32 bgmac_get_bus_clock(struct bgmac *bgmac)
  {
  	return bgmac->get_bus_clock(bgmac);
  }
  
  static inline void bgmac_cmn_maskset32(struct bgmac *bgmac, u16 offset,
  				       u32 mask, u32 set)
  {
  	bgmac->cmn_maskset32(bgmac, offset, mask, set);
  }
  
  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);
  }
  
  static inline int bgmac_phy_connect(struct bgmac *bgmac)
  {
  	return bgmac->phy_connect(bgmac);
  }
  #endif /* _BGMAC_H */
  