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mvgbereg.h revision 1.5
      1 /*	$NetBSD: mvgbereg.h,v 1.5 2012/10/12 10:38:06 msaitoh Exp $	*/
      2 /*
      3  * Copyright (c) 2007 KIYOHARA Takashi
      4  * All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     18  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     19  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     20  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     23  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     24  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     25  * POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 #ifndef _MVGBEREG_H_
     28 #define _MVGBEREG_H_
     29 
     30 #define MVGBE_SIZE		0x4000
     31 
     32 #define MVGBE_NWINDOW		6
     33 #define MVGBE_NREMAP		4
     34 
     35 #define MVGBE_PHY_TIMEOUT	10000	/* msec */
     36 
     37 #define MVGBE_RX_CSUM_MIN_BYTE	72
     38 
     39 
     40 /*
     41  * Ethernet Unit Registers
     42  */
     43 /* Ethernet Unit Global Registers */
     44 #define MVGBE_PHYADDR		0x2000
     45 #if defined(MV88W8660)
     46 #define MVGBE_SMI		0x8010
     47 #else
     48 #define MVGBE_SMI		0x2004
     49 #endif
     50 #define MVGBE_EUDA		0x2008	/* Ethernet Unit Default Address */
     51 #define MVGBE_EUDID		0x200c	/* Ethernet Unit Default ID */
     52 #define MVGBE_EU 		0x2014	/* Ethernet Unit Reserved */
     53 #define MVGBE_EUIC 		0x2080	/* Ethernet Unit Interrupt Cause */
     54 #define MVGBE_EUIM 		0x2084	/* Ethernet Unit Interrupt Mask */
     55 #define MVGBE_EUEA 		0x2094	/* Ethernet Unit Error Address */
     56 #define MVGBE_EUIAE 		0x2098	/* Ethernet Unit Internal Addr Error */
     57 #define MVGBE_EUPCR 		0x20a0	/* EthernetUnit Port Pads Calibration */
     58 #define MVGBE_EUC 		0x20b0	/* Ethernet Unit Control */
     59 
     60 #define MVGBE_BASEADDR(n)	(0x2200 + ((n) << 3))	/* Base Address */
     61 #define MVGBE_S(n)		(0x2204 + ((n) << 3))	/* Size */
     62 #define MVGBE_HA(n)		(0x2280 + ((n) << 2))	/* High Address Remap */
     63 #define MVGBE_BARE 		0x2290	/* Base Address Enable */
     64 #define MVGBE_EPAP 		0x2294	/* Ethernet Port Access Protect */
     65 
     66 /* Ethernet Unit Port Registers */
     67 #define MVGBE_PORTR_BASE	0x2400
     68 #define MVGBE_PORTR_SIZE	 0x400
     69 
     70 #define MVGBE_PXC		0x000	/* Port Configuration */
     71 #define MVGBE_PXCX		0x004	/* Port Configuration Extend */
     72 #define MVGBE_MIISP		0x008	/* MII Serial Parameters */
     73 #define MVGBE_GMIISP		0x00c	/* GMII Serial Params */
     74 #define MVGBE_EVLANE		0x010	/* VLAN EtherType */
     75 #define MVGBE_MACAL		0x014	/* MAC Address Low */
     76 #define MVGBE_MACAH		0x018	/* MAC Address High */
     77 #define MVGBE_SDC		0x01c	/* SDMA Configuration */
     78 #define MVGBE_DSCP(n)		(0x020 + ((n) << 2))
     79 #define MVGBE_PSC		0x03c	/* Port Serial Control0 */
     80 #define MVGBE_VPT2P		0x040	/* VLAN Priority Tag to Priority */
     81 #define MVGBE_PS		0x044	/* Ethernet Port Status */
     82 #define MVGBE_TQC		0x048	/* Transmit Queue Command */
     83 #define MVGBE_PSC1		0x04c	/* Port Serial Control1 */
     84 #define MVGBE_MTU		0x058	/* Max Transmit Unit */
     85 #define MVGBE_IC		0x060	/* Port Interrupt Cause */
     86 #define MVGBE_ICE		0x064	/* Port Interrupt Cause Extend */
     87 #define MVGBE_PIM		0x068	/* Port Interrupt Mask */
     88 #define MVGBE_PEIM		0x06c	/* Port Extend Interrupt Mask */
     89 #define MVGBE_PRFUT		0x070	/* Port Rx FIFO Urgent Threshold */
     90 #define MVGBE_PTFUT		0x074	/* Port Tx FIFO Urgent Threshold */
     91 #define MVGBE_PMFS		0x07c	/* Port Rx Minimal Frame Size */
     92 #define MVGBE_PXDFC		0x084	/* Port Rx Discard Frame Counter */
     93 #define MVGBE_POFC		0x088	/* Port Overrun Frame Counter */
     94 #define MVGBE_PIAE		0x094	/* Port Internal Address Error */
     95 #define MVGBE_TQFPC		0x0dc	/* Transmit Queue Fixed Priority Cfg */
     96 #define MVGBE_CRDP(n)		(0x20c + ((n) << 4))
     97 			/* Ethernet Current Receive Descriptor Pointers */
     98 #define MVGBE_RQC		0x280	/* Receive Queue Command */
     99 #define MVGBE_TCSDP		0x284	/* Tx Current Served Desc Pointer */
    100 #define MVGBE_TCQDP		0x2c0	/* Tx Current Queue Desc Pointer */
    101 #define MVGBE_TQTBCOUNT(q)	(0x300 + ((q) << 4))
    102 				/* Transmit Queue Token-Bucket Counter */
    103 #define MVGBE_TQTBCONFIG(q)	(0x304 + ((q) << 4))
    104 				/* Transmit Queue Token-Bucket Configuration */
    105 #define MVGBE_TQAC(q)		(0x308 + ((q) << 4))
    106 				/* Transmit Queue Arbiter Configuration */
    107 
    108 #define MVGBE_PORTDAFR_BASE	0x3400
    109 #define MVGBE_PORTDAFR_SIZE	 0x400
    110 
    111 #define MVGBE_NDFSMT		 0x40
    112 #define MVGBE_DFSMT		0x000
    113 			/* Destination Address Filter Special Multicast Table */
    114 #define MVGBE_NDFOMT		 0x40
    115 #define MVGBE_DFOMT		0x100
    116 			/* Destination Address Filter Other Multicast Table */
    117 #define MVGBE_NDFUT		  0x4
    118 #define MVGBE_DFUT		0x200
    119 			/* Destination Address Filter Unicast Table */
    120 
    121 
    122 /* MAC MIB Counters 		0x3000 - 0x307c */
    123 
    124 
    125 
    126 /* PHY Address (MVGBE_PHYADDR) */
    127 #define MVGBE_PHYADDR_PHYAD_MASK	0x1f
    128 #define MVGBE_PHYADDR_PHYAD(port, phy)	((phy) << ((port) * 5))
    129 
    130 /* SMI register fields (MVGBE_SMI) */
    131 #define MVGBE_SMI_DATA_MASK		0x0000ffff
    132 #define MVGBE_SMI_PHYAD(phy)		(((phy) & 0x1f) << 16)
    133 #define MVGBE_SMI_REGAD(reg)		(((reg) & 0x1f) << 21)
    134 #define MVGBE_SMI_OPCODE_WRITE		(0 << 26)
    135 #define MVGBE_SMI_OPCODE_READ		(1 << 26)
    136 #define MVGBE_SMI_READVALID		(1 << 27)
    137 #define MVGBE_SMI_BUSY			(1 << 28)
    138 
    139 /* Ethernet Unit Default ID (MVGBE_EUDID) */
    140 #define MVGBE_EUDID_DIDR_MASK		0x0000000f
    141 #define MVGBE_EUDID_DATTR_MASK		0x00000ff0
    142 
    143 /* Ethernet Unit Reserved (MVGBE_EU) */
    144 #define MVGBE_EU_FASTMDC 		(1 << 0)
    145 #define MVGBE_EU_ACCS 			(1 << 1)
    146 
    147 /* Ethernet Unit Interrupt Cause (MVGBE_EUIC) */
    148 #define MVGBE_EUIC_ETHERINTSUM 		(1 << 0)
    149 #define MVGBE_EUIC_PARITY 		(1 << 1)
    150 #define MVGBE_EUIC_ADDRVIOL		(1 << 2)
    151 #define MVGBE_EUIC_ADDRVNOMATCH		(1 << 3)
    152 #define MVGBE_EUIC_SMIDONE		(1 << 4)
    153 #define MVGBE_EUIC_COUNTWA		(1 << 5)
    154 #define MVGBE_EUIC_INTADDRERR		(1 << 7)
    155 #define MVGBE_EUIC_PORT0DPERR		(1 << 9)
    156 #define MVGBE_EUIC_TOPDPERR		(1 << 12)
    157 
    158 /* Ethernet Unit Internal Addr Error (MVGBE_EUIAE) */
    159 #define MVGBE_EUIAE_INTADDR_MASK 	0x000001ff
    160 
    161 /* Ethernet Unit Port Pads Calibration (MVGBE_EUPCR) */
    162 #define MVGBE_EUPCR_DRVN_MASK		0x0000001f
    163 #define MVGBE_EUPCR_TUNEEN		(1 << 16)
    164 #define MVGBE_EUPCR_LOCKN_MASK		0x003e0000
    165 #define MVGBE_EUPCR_OFFSET_MASK		0x1f000000	/* Reserved */
    166 #define MVGBE_EUPCR_WREN		(1 << 31)
    167 
    168 /* Ethernet Unit Control (MVGBE_EUC) */
    169 #define MVGBE_EUC_PORT0DPPAR 		(1 << 0)
    170 #define MVGBE_EUC_TOPDPPAR	 	(1 << 3)
    171 #define MVGBE_EUC_PORT0PW 		(1 << 16)
    172 
    173 /* Base Address (MVGBE_BASEADDR) */
    174 #define MVGBE_BASEADDR_TARGET(target)	((target) & 0xf)
    175 #define MVGBE_BASEADDR_ATTR(attr)	(((attr) & 0xff) << 8)
    176 #define MVGBE_BASEADDR_BASE(base)	((base) & 0xffff0000)
    177 
    178 /* Size (MVGBE_S) */
    179 #define MVGBE_S_SIZE(size)		(((size) - 1) & 0xffff0000)
    180 
    181 /* Base Address Enable (MVGBE_BARE) */
    182 #define MVGBE_BARE_EN_MASK		((1 << MVGBE_NWINDOW) - 1)
    183 #define MVGBE_BARE_EN(win)		((1 << (win)) & MVGBE_BARE_EN_MASK)
    184 
    185 /* Ethernet Port Access Protect (MVGBE_EPAP) */
    186 #define MVGBE_EPAP_AC_NAC		0x0	/* No access allowed */
    187 #define MVGBE_EPAP_AC_RO		0x1	/* Read Only */
    188 #define MVGBE_EPAP_AC_FA		0x3	/* Full access (r/w) */
    189 #define MVGBE_EPAP_EPAR(win, ac)	((ac) << ((win) * 2))
    190 
    191 /* Port Configuration (MVGBE_PXC) */
    192 #define MVGBE_PXC_UPM			(1 << 0) /* Uni Promisc mode */
    193 #define MVGBE_PXC_RXQ(q)		((q) << 1)
    194 #define MVGBE_PXC_RXQ_MASK		MVGBE_PXC_RXQ(7)
    195 #define MVGBE_PXC_RXQARP(q)		((q) << 4)
    196 #define MVGBE_PXC_RXQARP_MASK		MVGBE_PXC_RXQARP(7)
    197 #define MVGBE_PXC_RB			(1 << 7) /* Rej mode of MAC */
    198 #define MVGBE_PXC_RBIP			(1 << 8)
    199 #define MVGBE_PXC_RBARP			(1 << 9)
    200 #define MVGBE_PXC_AMNOTXES		(1 << 12)
    201 #define MVGBE_PXC_TCPCAPEN		(1 << 14)
    202 #define MVGBE_PXC_UDPCAPEN		(1 << 15)
    203 #define MVGBE_PXC_TCPQ(q)		((q) << 16)
    204 #define MVGBE_PXC_TCPQ_MASK		MVGBE_PXC_TCPQ(7)
    205 #define MVGBE_PXC_UDPQ(q)		((q) << 19)
    206 #define MVGBE_PXC_UDPQ_MASK		MVGBE_PXC_UDPQ(7)
    207 #define MVGBE_PXC_BPDUQ(q)		((q) << 22)
    208 #define MVGBE_PXC_BPDUQ_MASK		MVGBE_PXC_BPDUQ(7)
    209 #define MVGBE_PXC_RXCS			(1 << 25)
    210 
    211 /* Port Configuration Extend (MVGBE_PXCX) */
    212 #define MVGBE_PXCX_SPAN			(1 << 1)
    213 
    214 /* MII Serial Parameters (MVGBE_MIISP) */
    215 #define MVGBE_MIISP_JAMLENGTH_12KBIT	0x00000000
    216 #define MVGBE_MIISP_JAMLENGTH_24KBIT	0x00000001
    217 #define MVGBE_MIISP_JAMLENGTH_32KBIT	0x00000002
    218 #define MVGBE_MIISP_JAMLENGTH_48KBIT	0x00000003
    219 #define MVGBE_MIISP_JAMIPG(x)		(((x) & 0x7c) << 0)
    220 #define MVGBE_MIISP_IPGJAMTODATA(x)	(((x) & 0x7c) << 5)
    221 #define MVGBE_MIISP_IPGDATA(x)		(((x) & 0x7c) << 10)
    222 #define MVGBE_MIISP_DATABLIND(x)	(((x) & 0x1f) << 17)
    223 
    224 /* GMII Serial Parameters (MVGBE_GMIISP) */
    225 #define MVGBE_GMIISP_IPGDATA(x)		(((x) >> 4) & 0x7)
    226 
    227 /* SDMA Configuration (MVGBE_SDC) */
    228 #define MVGBE_SDC_RIFB			(1 << 0)
    229 #define MVGBE_SDC_RXBSZ(x)		((x) << 1)
    230 #define MVGBE_SDC_RXBSZ_MASK		MVGBE_SDC_RXBSZ(7)
    231 #define MVGBE_SDC_RXBSZ_1_64BITWORDS	MVGBE_SDC_RXBSZ(0)
    232 #define MVGBE_SDC_RXBSZ_2_64BITWORDS	MVGBE_SDC_RXBSZ(1)
    233 #define MVGBE_SDC_RXBSZ_4_64BITWORDS	MVGBE_SDC_RXBSZ(2)
    234 #define MVGBE_SDC_RXBSZ_8_64BITWORDS	MVGBE_SDC_RXBSZ(3)
    235 #define MVGBE_SDC_RXBSZ_16_64BITWORDS	MVGBE_SDC_RXBSZ(4)
    236 #define MVGBE_SDC_BLMR			(1 << 4)
    237 #define MVGBE_SDC_BLMT			(1 << 5)
    238 #define MVGBE_SDC_SWAPMODE		(1 << 6)
    239 #define MVGBE_SDC_IPGINTRX_MASK		__BITS(21, 8)
    240 #define MVGBE_SDC_IPGINTRX(x)		__SHIFTIN(x, MVGBE_SDC_IPGINTRX_MASK)
    241 #define MVGBE_SDC_TXBSZ(x)		((x) << 22)
    242 #define MVGBE_SDC_TXBSZ_MASK		MVGBE_SDC_TXBSZ(7)
    243 #define MVGBE_SDC_TXBSZ_1_64BITWORDS	MVGBE_SDC_TXBSZ(0)
    244 #define MVGBE_SDC_TXBSZ_2_64BITWORDS	MVGBE_SDC_TXBSZ(1)
    245 #define MVGBE_SDC_TXBSZ_4_64BITWORDS	MVGBE_SDC_TXBSZ(2)
    246 #define MVGBE_SDC_TXBSZ_8_64BITWORDS	MVGBE_SDC_TXBSZ(3)
    247 #define MVGBE_SDC_TXBSZ_16_64BITWORDS	MVGBE_SDC_TXBSZ(4)
    248 
    249 /* Port Serial Control (MVGBE_PSC) */
    250 #define MVGBE_PSC_PORTEN		(1 << 0)
    251 #define MVGBE_PSC_FLP			(1 << 1) /* Force_Link_Pass */
    252 #define MVGBE_PSC_ANDUPLEX		(1 << 2)	/* auto nego */
    253 #define MVGBE_PSC_ANFC			(1 << 3)
    254 #define MVGBE_PSC_PAUSEADV		(1 << 4)
    255 #define MVGBE_PSC_FFCMODE		(1 << 5)	/* Force FC */
    256 #define MVGBE_PSC_FBPMODE		(1 << 7)	/* Back pressure */
    257 #define MVGBE_PSC_RESERVED		(1 << 9)	/* Must be set to 1 */
    258 #define MVGBE_PSC_FLFAIL		(1 << 10)	/* Force Link Fail */
    259 #define MVGBE_PSC_ANSPEED		(1 << 13)
    260 #define MVGBE_PSC_DTEADVERT		(1 << 14)
    261 #define MVGBE_PSC_MRU(x)		((x) << 17)
    262 #define MVGBE_PSC_MRU_MASK		MVGBE_PSC_MRU(7)
    263 #define MVGBE_PSC_MRU_1518		0
    264 #define MVGBE_PSC_MRU_1522		1
    265 #define MVGBE_PSC_MRU_1552		2
    266 #define MVGBE_PSC_MRU_9022		3
    267 #define MVGBE_PSC_MRU_9192		4
    268 #define MVGBE_PSC_MRU_9700		5
    269 #define MVGBE_PSC_SETFULLDX		(1 << 21)
    270 #define MVGBE_PSC_SETFCEN		(1 << 22)
    271 #define MVGBE_PSC_SETGMIISPEED		(1 << 23)
    272 #define MVGBE_PSC_SETMIISPEED		(1 << 24)
    273 
    274 /* Ethernet Port Status (MVGBE_PS) */
    275 #define MVGBE_PS_LINKUP			(1 << 1)
    276 #define MVGBE_PS_FULLDX			(1 << 2)
    277 #define MVGBE_PS_ENFC			(1 << 3)
    278 #define MVGBE_PS_GMIISPEED		(1 << 4)
    279 #define MVGBE_PS_MIISPEED		(1 << 5)
    280 #define MVGBE_PS_TXINPROG		(1 << 7)
    281 #define MVGBE_PS_TXFIFOEMP		(1 << 10)	/* FIFO Empty */
    282 
    283 /* Transmit Queue Command (MVGBE_TQC) */
    284 #define MVGBE_TQC_ENQ			(1 << 0)	/* Enable Q */
    285 #define MVGBE_TQC_DISQ			(1 << 8)	/* Disable Q */
    286 
    287 /* Port Serial Control 1 (MVGBE_PSC1) */
    288 #define MVGBE_PSC1_PCSLB		(1 << 1)
    289 #define MVGBE_PSC1_RGMIIEN		(1 << 3)	/* RGMII */
    290 #define MVGBE_PSC1_PRST			(1 << 4)	/* Port Reset */
    291 
    292 /* Port Interrupt Cause (MVGBE_IC) */
    293 #define MVGBE_IC_RXBUF			(1 << 0)
    294 #define MVGBE_IC_EXTEND			(1 << 1)
    295 #define MVGBE_IC_RXBUFQ_MASK		(0xff << 2)
    296 #define MVGBE_IC_RXBUFQ(q)		(1 << ((q) + 2))
    297 #define MVGBE_IC_RXERROR		(1 << 10)
    298 #define MVGBE_IC_RXERRQ_MASK		(0xff << 11)
    299 #define MVGBE_IC_RXERRQ(q)		(1 << ((q) + 11))
    300 #define MVGBE_IC_TXEND			(1 << 19)
    301 #define MVGBE_IC_ETHERINTSUM		(1 << 31)
    302 
    303 /* Port Interrupt Cause Extend (MVGBE_ICE) */
    304 #define MVGBE_ICE_TXBUF			(1 << 0)
    305 #define MVGBE_ICE_TXERR			(1 << 8)
    306 #define MVGBE_ICE_PHYSTC		(1 << 16)
    307 #define MVGBE_ICE_RXOVR			(1 << 18)
    308 #define MVGBE_ICE_TXUDR			(1 << 19)
    309 #define MVGBE_ICE_LINKCHG		(1 << 20)
    310 #define MVGBE_ICE_INTADDRERR		(1 << 23)
    311 #define MVGBE_ICE_ETHERINTSUM		(1 << 31)
    312 
    313 /* Port Tx FIFO Urgent Threshold (MVGBE_PTFUT) */
    314 #define MVGBE_PTFUT_IPGINTTX_MASK	__BITS(17, 4)
    315 #define MVGBE_PTFUT_IPGINTTX(x)		__SHIFTIN(x, MVGBE_PTFUT_IPGINTTX_MASK)
    316 
    317 /* Port Rx Minimal Frame Size (MVGBE_PMFS) */
    318 #define MVGBE_PMFS_RXMFS(rxmfs)		(((rxmfs) - 40) & 0x7c)
    319 					/* RxMFS = 40,44,48,52,56,60,64 bytes */
    320 
    321 /* Transmit Queue Fixed Priority Configuration */
    322 #define MVGBE_TQFPC_EN(q)		(1 << (q))
    323 
    324 /* Receive Queue Command (MVGBE_RQC) */
    325 #define MVGBE_RQC_ENQ_MASK		(0xff << 0)	/* Enable Q */
    326 #define MVGBE_RQC_ENQ(n)		(1 << (0 + (n)))
    327 #define MVGBE_RQC_DISQ_MASK		(0xff << 8)	/* Disable Q */
    328 #define MVGBE_RQC_DISQ(n)		(1 << (8 + (n)))
    329 #define MVGBE_RQC_DISQ_DISABLE(q)	((q) << 8)
    330 
    331 /* Destination Address Filter Registers (MVGBE_DF{SM,OM,U}T) */
    332 #define MVGBE_DF(n, x)			((x) << (8 * (n)))
    333 #define MVGBE_DF_PASS			(1 << 0)
    334 #define MVGBE_DF_QUEUE(q)		((q) << 1)
    335 #define MVGBE_DF_QUEUE_MASK		((7) << 1)
    336 
    337 
    338 /*
    339  * Set the chip's packet size limit to 9022.
    340  * (ETHER_MAX_LEN_JUMBO + ETHER_VLAN_ENCAP_LEN)
    341  */
    342 #define MVGBE_MRU		9022
    343 
    344 #define MVGBE_RXBUF_ALIGN	8
    345 #define MVGBE_RXBUF_MASK	(MVGBE_RXBUF_ALIGN - 1)
    346 #define MVGBE_HWHEADER_SIZE	2
    347 
    348 
    349 /*
    350  * DMA descriptors
    351  *    Despite the documentation saying these descriptors only need to be
    352  *    aligned to 16-byte bondaries, 32-byte alignment seems to be required
    353  *    by the hardware.  We'll just pad them out to that to make it easier.
    354  */
    355 struct mvgbe_tx_desc {
    356 #if BYTE_ORDER == BIG_ENDIAN
    357 	uint16_t bytecnt;		/* Descriptor buffer byte count */
    358 	uint16_t l4ichk;		/* CPU provided TCP Checksum */
    359 	uint32_t cmdsts;		/* Descriptor command status */
    360 	uint32_t nextdescptr;		/* Next descriptor pointer */
    361 	uint32_t bufptr;		/* Descriptor buffer pointer */
    362 #else	/* LITTLE_ENDIAN */
    363 	uint32_t cmdsts;		/* Descriptor command status */
    364 	uint16_t l4ichk;		/* CPU provided TCP Checksum */
    365 	uint16_t bytecnt;		/* Descriptor buffer byte count */
    366 	uint32_t bufptr;		/* Descriptor buffer pointer */
    367 	uint32_t nextdescptr;		/* Next descriptor pointer */
    368 #endif
    369 	uint32_t _padding[4];
    370 } __packed;
    371 
    372 struct mvgbe_rx_desc {
    373 #if BYTE_ORDER == BIG_ENDIAN
    374 	uint16_t bytecnt;		/* Descriptor buffer byte count */
    375 	uint16_t bufsize;		/* Buffer size */
    376 	uint32_t cmdsts;		/* Descriptor command status */
    377 	uint32_t nextdescptr;		/* Next descriptor pointer */
    378 	uint32_t bufptr;		/* Descriptor buffer pointer */
    379 #else	/* LITTLE_ENDIAN */
    380 	uint32_t cmdsts;		/* Descriptor command status */
    381 	uint16_t bufsize;		/* Buffer size */
    382 	uint16_t bytecnt;		/* Descriptor buffer byte count */
    383 	uint32_t bufptr;		/* Descriptor buffer pointer */
    384 	uint32_t nextdescptr;		/* Next descriptor pointer */
    385 #endif
    386 	uint32_t _padding[4];
    387 } __packed;
    388 
    389 #define MVGBE_ERROR_SUMMARY		(1 << 0)
    390 #define MVGBE_BUFFER_OWNED_MASK		(1 << 31)
    391 #define MVGBE_BUFFER_OWNED_BY_HOST	(0 << 31)
    392 #define MVGBE_BUFFER_OWNED_BY_DMA	(1 << 31)
    393 
    394 #define MVGBE_TX_ERROR_CODE_MASK	(3 << 1)
    395 #define MVGBE_TX_LATE_COLLISION_ERROR	(0 << 1)
    396 #define MVGBE_TX_UNDERRUN_ERROR		(1 << 1)
    397 #define MVGBE_TX_EXCESSIVE_COLLISION_ERRO (2 << 1)
    398 #define MVGBE_TX_LLC_SNAP_FORMAT	(1 << 9)
    399 #define MVGBE_TX_IP_NO_FRAG		(1 << 10)
    400 #define MVGBE_TX_IP_HEADER_LEN(len)	((len) << 11)
    401 #define MVGBE_TX_VLAN_TAGGED_FRAME	(1 << 15)
    402 #define MVGBE_TX_L4_TYPE_TCP		(0 << 16)
    403 #define MVGBE_TX_L4_TYPE_UDP		(1 << 16)
    404 #define MVGBE_TX_GENERATE_L4_CHKSUM	(1 << 17)
    405 #define MVGBE_TX_GENERATE_IP_CHKSUM	(1 << 18)
    406 #define MVGBE_TX_ZERO_PADDING		(1 << 19)
    407 #define MVGBE_TX_LAST_DESC		(1 << 20)
    408 #define MVGBE_TX_FIRST_DESC		(1 << 21)
    409 #define MVGBE_TX_GENERATE_CRC		(1 << 22)
    410 #define MVGBE_TX_ENABLE_INTERRUPT	(1 << 23)
    411 #define MVGBE_TX_AUTO_MODE		(1 << 30)
    412 
    413 #define MVGBE_RX_ERROR_CODE_MASK	(3 << 1)
    414 #define MVGBE_RX_CRC_ERROR		(0 << 1)
    415 #define MVGBE_RX_OVERRUN_ERROR		(1 << 1)
    416 #define MVGBE_RX_MAX_FRAME_LEN_ERROR	(2 << 1)
    417 #define MVGBE_RX_RESOURCE_ERROR		(3 << 1)
    418 #define MVGBE_RX_L4_CHECKSUM_MASK	(0xffff << 3)
    419 #define MVGBE_RX_VLAN_TAGGED_FRAME	(1 << 19)
    420 #define MVGBE_RX_BPDU_FRAME		(1 << 20)
    421 #define MVGBE_RX_L4_TYPE_MASK		(3 << 21)
    422 #define MVGBE_RX_L4_TYPE_TCP		(0 << 21)
    423 #define MVGBE_RX_L4_TYPE_UDP		(1 << 21)
    424 #define MVGBE_RX_L4_TYPE_OTHER		(2 << 21)
    425 #define MVGBE_RX_NOT_LLC_SNAP_FORMAT	(1 << 23)
    426 #define MVGBE_RX_IP_FRAME_TYPE		(1 << 24)
    427 #define MVGBE_RX_IP_HEADER_OK		(1 << 25)
    428 #define MVGBE_RX_LAST_DESC		(1 << 26)
    429 #define MVGBE_RX_FIRST_DESC		(1 << 27)
    430 #define MVGBE_RX_UNKNOWN_DA		(1 << 28)
    431 #define MVGBE_RX_ENABLE_INTERRUPT	(1 << 29)
    432 #define MVGBE_RX_L4_CHECKSUM_OK		(1 << 30)
    433 
    434 #define MVGBE_RX_IP_FRAGMENT		(1 << 2)
    435 
    436 #endif	/* _MVGEREG_H_ */
    437