net: macb: sync header definitions as taken from Linux

Few registers and bits were added by Cadence and
they were not updated in the headers.
Take the latest definitions as defined in Linux
header (5.1) that also includes some comments
about existing registers.

One register was improperly named (UR), fix that.

Signed-off-by: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
Tested-by: Anup Patel <anup.patel@wdc.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>

2 files changed, 662 insertions, 214 deletions

diff --git a/drivers/net/macb.c b/drivers/net/macb.c
index a7eddd647d..0032d4e000 100644
--- a/drivers/net/macb.c
+++ b/drivers/net/macb.c
@@ -774,14 +774,14 @@ static int _macb_init(struct macb_device *macb, const char *name)
 #ifdef CONFIG_DM_ETH
 		if ((macb->phy_interface == PHY_INTERFACE_MODE_RMII) ||
 		    (macb->phy_interface == PHY_INTERFACE_MODE_RGMII))
-			gem_writel(macb, UR, GEM_BIT(RGMII));
+			gem_writel(macb, USRIO, GEM_BIT(RGMII));
 		else
-			gem_writel(macb, UR, 0);
+			gem_writel(macb, USRIO, 0);
 #else
 #if defined(CONFIG_RGMII) || defined(CONFIG_RMII)
-		gem_writel(macb, UR, GEM_BIT(RGMII));
+		gem_writel(macb, USRIO, GEM_BIT(RGMII));
 #else
-		gem_writel(macb, UR, 0);
+		gem_writel(macb, USRIO, 0);
 #endif
 #endif
 	} else {
diff --git a/drivers/net/macb.h b/drivers/net/macb.h
index 3cc27f8560..8966c793a7 100644
--- a/drivers/net/macb.h
+++ b/drivers/net/macb.h
@@ -5,221 +5,410 @@
 #ifndef __DRIVERS_MACB_H__
 #define __DRIVERS_MACB_H__
 
+#define MACB_GREGS_NBR 16
+#define MACB_GREGS_VERSION 2
+#define MACB_MAX_QUEUES 8
+
 /* MACB register offsets */
-#define MACB_NCR				0x0000
-#define MACB_NCFGR				0x0004
-#define MACB_NSR				0x0008
-#define GEM_UR					0x000c
-#define MACB_DMACFG				0x0010
-#define MACB_TSR				0x0014
-#define MACB_RBQP				0x0018
-#define MACB_TBQP				0x001c
-#define MACB_RSR				0x0020
-#define MACB_ISR				0x0024
-#define MACB_IER				0x0028
-#define MACB_IDR				0x002c
-#define MACB_IMR				0x0030
-#define MACB_MAN				0x0034
-#define MACB_PTR				0x0038
-#define MACB_PFR				0x003c
-#define MACB_FTO				0x0040
-#define MACB_SCF				0x0044
-#define MACB_MCF				0x0048
-#define MACB_FRO				0x004c
-#define MACB_FCSE				0x0050
-#define MACB_ALE				0x0054
-#define MACB_DTF				0x0058
-#define MACB_LCOL				0x005c
-#define MACB_EXCOL				0x0060
-#define MACB_TUND				0x0064
-#define MACB_CSE				0x0068
-#define MACB_RRE				0x006c
-#define MACB_ROVR				0x0070
-#define MACB_RSE				0x0074
-#define MACB_ELE				0x0078
-#define MACB_RJA				0x007c
-#define MACB_USF				0x0080
-#define MACB_STE				0x0084
-#define MACB_RLE				0x0088
-#define MACB_TPF				0x008c
-#define MACB_HRB				0x0090
-#define MACB_HRT				0x0094
-#define MACB_SA1B				0x0098
-#define MACB_SA1T				0x009c
-#define MACB_SA2B				0x00a0
-#define MACB_SA2T				0x00a4
-#define MACB_SA3B				0x00a8
-#define MACB_SA3T				0x00ac
-#define MACB_SA4B				0x00b0
-#define MACB_SA4T				0x00b4
-#define MACB_TID				0x00b8
-#define MACB_TPQ				0x00bc
-#define MACB_USRIO				0x00c0
-#define MACB_WOL				0x00c4
-#define MACB_MID				0x00fc
-
-/* GEM specific register offsets */
-#define GEM_DCFG1				0x0280
-#define GEM_DCFG6				0x0294
-
-#define MACB_MAX_QUEUES				8
-
-/* GEM specific multi queues register offset */
-/* hw_q can be 0~7 */
-#define GEM_TBQP(hw_q)				(0x0440 + ((hw_q) << 2))
+#define MACB_NCR		0x0000 /* Network Control */
+#define MACB_NCFGR		0x0004 /* Network Config */
+#define MACB_NSR		0x0008 /* Network Status */
+#define MACB_TAR		0x000c /* AT91RM9200 only */
+#define MACB_TCR		0x0010 /* AT91RM9200 only */
+#define MACB_TSR		0x0014 /* Transmit Status */
+#define MACB_RBQP		0x0018 /* RX Q Base Address */
+#define MACB_TBQP		0x001c /* TX Q Base Address */
+#define MACB_RSR		0x0020 /* Receive Status */
+#define MACB_ISR		0x0024 /* Interrupt Status */
+#define MACB_IER		0x0028 /* Interrupt Enable */
+#define MACB_IDR		0x002c /* Interrupt Disable */
+#define MACB_IMR		0x0030 /* Interrupt Mask */
+#define MACB_MAN		0x0034 /* PHY Maintenance */
+#define MACB_PTR		0x0038
+#define MACB_PFR		0x003c
+#define MACB_FTO		0x0040
+#define MACB_SCF		0x0044
+#define MACB_MCF		0x0048
+#define MACB_FRO		0x004c
+#define MACB_FCSE		0x0050
+#define MACB_ALE		0x0054
+#define MACB_DTF		0x0058
+#define MACB_LCOL		0x005c
+#define MACB_EXCOL		0x0060
+#define MACB_TUND		0x0064
+#define MACB_CSE		0x0068
+#define MACB_RRE		0x006c
+#define MACB_ROVR		0x0070
+#define MACB_RSE		0x0074
+#define MACB_ELE		0x0078
+#define MACB_RJA		0x007c
+#define MACB_USF		0x0080
+#define MACB_STE		0x0084
+#define MACB_RLE		0x0088
+#define MACB_TPF		0x008c
+#define MACB_HRB		0x0090
+#define MACB_HRT		0x0094
+#define MACB_SA1B		0x0098
+#define MACB_SA1T		0x009c
+#define MACB_SA2B		0x00a0
+#define MACB_SA2T		0x00a4
+#define MACB_SA3B		0x00a8
+#define MACB_SA3T		0x00ac
+#define MACB_SA4B		0x00b0
+#define MACB_SA4T		0x00b4
+#define MACB_TID		0x00b8
+#define MACB_TPQ		0x00bc
+#define MACB_USRIO		0x00c0
+#define MACB_WOL		0x00c4
+#define MACB_MID		0x00fc
+#define MACB_TBQPH		0x04C8
+#define MACB_RBQPH		0x04D4
+
+/* GEM register offsets. */
+#define GEM_NCFGR		0x0004 /* Network Config */
+#define GEM_USRIO		0x000c /* User IO */
+#define GEM_DMACFG		0x0010 /* DMA Configuration */
+#define GEM_JML			0x0048 /* Jumbo Max Length */
+#define GEM_HRB			0x0080 /* Hash Bottom */
+#define GEM_HRT			0x0084 /* Hash Top */
+#define GEM_SA1B		0x0088 /* Specific1 Bottom */
+#define GEM_SA1T		0x008C /* Specific1 Top */
+#define GEM_SA2B		0x0090 /* Specific2 Bottom */
+#define GEM_SA2T		0x0094 /* Specific2 Top */
+#define GEM_SA3B		0x0098 /* Specific3 Bottom */
+#define GEM_SA3T		0x009C /* Specific3 Top */
+#define GEM_SA4B		0x00A0 /* Specific4 Bottom */
+#define GEM_SA4T		0x00A4 /* Specific4 Top */
+#define GEM_EFTSH		0x00e8 /* PTP Event Frame Transmitted Seconds Register 47:32 */
+#define GEM_EFRSH		0x00ec /* PTP Event Frame Received Seconds Register 47:32 */
+#define GEM_PEFTSH		0x00f0 /* PTP Peer Event Frame Transmitted Seconds Register 47:32 */
+#define GEM_PEFRSH		0x00f4 /* PTP Peer Event Frame Received Seconds Register 47:32 */
+#define GEM_OTX			0x0100 /* Octets transmitted */
+#define GEM_OCTTXL		0x0100 /* Octets transmitted [31:0] */
+#define GEM_OCTTXH		0x0104 /* Octets transmitted [47:32] */
+#define GEM_TXCNT		0x0108 /* Frames Transmitted counter */
+#define GEM_TXBCCNT		0x010c /* Broadcast Frames counter */
+#define GEM_TXMCCNT		0x0110 /* Multicast Frames counter */
+#define GEM_TXPAUSECNT		0x0114 /* Pause Frames Transmitted Counter */
+#define GEM_TX64CNT		0x0118 /* 64 byte Frames TX counter */
+#define GEM_TX65CNT		0x011c /* 65-127 byte Frames TX counter */
+#define GEM_TX128CNT		0x0120 /* 128-255 byte Frames TX counter */
+#define GEM_TX256CNT		0x0124 /* 256-511 byte Frames TX counter */
+#define GEM_TX512CNT		0x0128 /* 512-1023 byte Frames TX counter */
+#define GEM_TX1024CNT		0x012c /* 1024-1518 byte Frames TX counter */
+#define GEM_TX1519CNT		0x0130 /* 1519+ byte Frames TX counter */
+#define GEM_TXURUNCNT		0x0134 /* TX under run error counter */
+#define GEM_SNGLCOLLCNT		0x0138 /* Single Collision Frame Counter */
+#define GEM_MULTICOLLCNT	0x013c /* Multiple Collision Frame Counter */
+#define GEM_EXCESSCOLLCNT	0x0140 /* Excessive Collision Frame Counter */
+#define GEM_LATECOLLCNT		0x0144 /* Late Collision Frame Counter */
+#define GEM_TXDEFERCNT		0x0148 /* Deferred Transmission Frame Counter */
+#define GEM_TXCSENSECNT		0x014c /* Carrier Sense Error Counter */
+#define GEM_ORX			0x0150 /* Octets received */
+#define GEM_OCTRXL		0x0150 /* Octets received [31:0] */
+#define GEM_OCTRXH		0x0154 /* Octets received [47:32] */
+#define GEM_RXCNT		0x0158 /* Frames Received Counter */
+#define GEM_RXBROADCNT		0x015c /* Broadcast Frames Received Counter */
+#define GEM_RXMULTICNT		0x0160 /* Multicast Frames Received Counter */
+#define GEM_RXPAUSECNT		0x0164 /* Pause Frames Received Counter */
+#define GEM_RX64CNT		0x0168 /* 64 byte Frames RX Counter */
+#define GEM_RX65CNT		0x016c /* 65-127 byte Frames RX Counter */
+#define GEM_RX128CNT		0x0170 /* 128-255 byte Frames RX Counter */
+#define GEM_RX256CNT		0x0174 /* 256-511 byte Frames RX Counter */
+#define GEM_RX512CNT		0x0178 /* 512-1023 byte Frames RX Counter */
+#define GEM_RX1024CNT		0x017c /* 1024-1518 byte Frames RX Counter */
+#define GEM_RX1519CNT		0x0180 /* 1519+ byte Frames RX Counter */
+#define GEM_RXUNDRCNT		0x0184 /* Undersize Frames Received Counter */
+#define GEM_RXOVRCNT		0x0188 /* Oversize Frames Received Counter */
+#define GEM_RXJABCNT		0x018c /* Jabbers Received Counter */
+#define GEM_RXFCSCNT		0x0190 /* Frame Check Sequence Error Counter */
+#define GEM_RXLENGTHCNT		0x0194 /* Length Field Error Counter */
+#define GEM_RXSYMBCNT		0x0198 /* Symbol Error Counter */
+#define GEM_RXALIGNCNT		0x019c /* Alignment Error Counter */
+#define GEM_RXRESERRCNT		0x01a0 /* Receive Resource Error Counter */
+#define GEM_RXORCNT		0x01a4 /* Receive Overrun Counter */
+#define GEM_RXIPCCNT		0x01a8 /* IP header Checksum Error Counter */
+#define GEM_RXTCPCCNT		0x01ac /* TCP Checksum Error Counter */
+#define GEM_RXUDPCCNT		0x01b0 /* UDP Checksum Error Counter */
+#define GEM_TISUBN		0x01bc /* 1588 Timer Increment Sub-ns */
+#define GEM_TSH			0x01c0 /* 1588 Timer Seconds High */
+#define GEM_TSL			0x01d0 /* 1588 Timer Seconds Low */
+#define GEM_TN			0x01d4 /* 1588 Timer Nanoseconds */
+#define GEM_TA			0x01d8 /* 1588 Timer Adjust */
+#define GEM_TI			0x01dc /* 1588 Timer Increment */
+#define GEM_EFTSL		0x01e0 /* PTP Event Frame Tx Seconds Low */
+#define GEM_EFTN		0x01e4 /* PTP Event Frame Tx Nanoseconds */
+#define GEM_EFRSL		0x01e8 /* PTP Event Frame Rx Seconds Low */
+#define GEM_EFRN		0x01ec /* PTP Event Frame Rx Nanoseconds */
+#define GEM_PEFTSL		0x01f0 /* PTP Peer Event Frame Tx Secs Low */
+#define GEM_PEFTN		0x01f4 /* PTP Peer Event Frame Tx Ns */
+#define GEM_PEFRSL		0x01f8 /* PTP Peer Event Frame Rx Sec Low */
+#define GEM_PEFRN		0x01fc /* PTP Peer Event Frame Rx Ns */
+#define GEM_DCFG1		0x0280 /* Design Config 1 */
+#define GEM_DCFG2		0x0284 /* Design Config 2 */
+#define GEM_DCFG3		0x0288 /* Design Config 3 */
+#define GEM_DCFG4		0x028c /* Design Config 4 */
+#define GEM_DCFG5		0x0290 /* Design Config 5 */
+#define GEM_DCFG6		0x0294 /* Design Config 6 */
+#define GEM_DCFG7		0x0298 /* Design Config 7 */
+#define GEM_DCFG8		0x029C /* Design Config 8 */
+#define GEM_DCFG10		0x02A4 /* Design Config 10 */
+
+#define GEM_TXBDCTRL	0x04cc /* TX Buffer Descriptor control register */
+#define GEM_RXBDCTRL	0x04d0 /* RX Buffer Descriptor control register */
+
+/* Screener Type 2 match registers */
+#define GEM_SCRT2		0x540
+
+/* EtherType registers */
+#define GEM_ETHT		0x06E0
+
+/* Type 2 compare registers */
+#define GEM_T2CMPW0		0x0700
+#define GEM_T2CMPW1		0x0704
+#define T2CMP_OFST(t2idx)	(t2idx * 2)
+
+/* type 2 compare registers
+ * each location requires 3 compare regs
+ */
+#define GEM_IP4SRC_CMP(idx)		(idx * 3)
+#define GEM_IP4DST_CMP(idx)		(idx * 3 + 1)
+#define GEM_PORT_CMP(idx)		(idx * 3 + 2)
+
+/* Which screening type 2 EtherType register will be used (0 - 7) */
+#define SCRT2_ETHT		0
+
+#define GEM_ISR(hw_q)		(0x0400 + ((hw_q) << 2))
+#define GEM_TBQP(hw_q)		(0x0440 + ((hw_q) << 2))
+#define GEM_TBQPH(hw_q)		(0x04C8)
+#define GEM_RBQP(hw_q)		(0x0480 + ((hw_q) << 2))
+#define GEM_RBQS(hw_q)		(0x04A0 + ((hw_q) << 2))
+#define GEM_RBQPH(hw_q)		(0x04D4)
+#define GEM_IER(hw_q)		(0x0600 + ((hw_q) << 2))
+#define GEM_IDR(hw_q)		(0x0620 + ((hw_q) << 2))
+#define GEM_IMR(hw_q)		(0x0640 + ((hw_q) << 2))
 
 /* Bitfields in NCR */
-#define MACB_LB_OFFSET				0
-#define MACB_LB_SIZE				1
-#define MACB_LLB_OFFSET				1
-#define MACB_LLB_SIZE				1
-#define MACB_RE_OFFSET				2
-#define MACB_RE_SIZE				1
-#define MACB_TE_OFFSET				3
-#define MACB_TE_SIZE				1
-#define MACB_MPE_OFFSET				4
-#define MACB_MPE_SIZE				1
-#define MACB_CLRSTAT_OFFSET			5
-#define MACB_CLRSTAT_SIZE			1
-#define MACB_INCSTAT_OFFSET			6
-#define MACB_INCSTAT_SIZE			1
-#define MACB_WESTAT_OFFSET			7
-#define MACB_WESTAT_SIZE			1
-#define MACB_BP_OFFSET				8
-#define MACB_BP_SIZE				1
-#define MACB_TSTART_OFFSET			9
-#define MACB_TSTART_SIZE			1
-#define MACB_THALT_OFFSET			10
-#define MACB_THALT_SIZE				1
-#define MACB_NCR_TPF_OFFSET			11
-#define MACB_NCR_TPF_SIZE			1
-#define MACB_TZQ_OFFSET				12
-#define MACB_TZQ_SIZE				1
+#define MACB_LB_OFFSET		0 /* reserved */
+#define MACB_LB_SIZE		1
+#define MACB_LLB_OFFSET		1 /* Loop back local */
+#define MACB_LLB_SIZE		1
+#define MACB_RE_OFFSET		2 /* Receive enable */
+#define MACB_RE_SIZE		1
+#define MACB_TE_OFFSET		3 /* Transmit enable */
+#define MACB_TE_SIZE		1
+#define MACB_MPE_OFFSET		4 /* Management port enable */
+#define MACB_MPE_SIZE		1
+#define MACB_CLRSTAT_OFFSET	5 /* Clear stats regs */
+#define MACB_CLRSTAT_SIZE	1
+#define MACB_INCSTAT_OFFSET	6 /* Incremental stats regs */
+#define MACB_INCSTAT_SIZE	1
+#define MACB_WESTAT_OFFSET	7 /* Write enable stats regs */
+#define MACB_WESTAT_SIZE	1
+#define MACB_BP_OFFSET		8 /* Back pressure */
+#define MACB_BP_SIZE		1
+#define MACB_TSTART_OFFSET	9 /* Start transmission */
+#define MACB_TSTART_SIZE	1
+#define MACB_THALT_OFFSET	10 /* Transmit halt */
+#define MACB_THALT_SIZE		1
+#define MACB_NCR_TPF_OFFSET	11 /* Transmit pause frame */
+#define MACB_NCR_TPF_SIZE	1
+#define MACB_TZQ_OFFSET		12 /* Transmit zero quantum pause frame */
+#define MACB_TZQ_SIZE		1
+#define MACB_SRTSM_OFFSET	15
+#define MACB_OSSMODE_OFFSET 24 /* Enable One Step Synchro Mode */
+#define MACB_OSSMODE_SIZE	1
 
 /* Bitfields in NCFGR */
-#define MACB_SPD_OFFSET				0
-#define MACB_SPD_SIZE				1
-#define MACB_FD_OFFSET				1
-#define MACB_FD_SIZE				1
-#define MACB_BIT_RATE_OFFSET			2
-#define MACB_BIT_RATE_SIZE			1
-#define MACB_JFRAME_OFFSET			3
-#define MACB_JFRAME_SIZE			1
-#define MACB_CAF_OFFSET				4
-#define MACB_CAF_SIZE				1
-#define MACB_NBC_OFFSET				5
-#define MACB_NBC_SIZE				1
-#define MACB_NCFGR_MTI_OFFSET			6
-#define MACB_NCFGR_MTI_SIZE			1
-#define MACB_UNI_OFFSET				7
-#define MACB_UNI_SIZE				1
-#define MACB_BIG_OFFSET				8
-#define MACB_BIG_SIZE				1
-#define MACB_EAE_OFFSET				9
-#define MACB_EAE_SIZE				1
-#define MACB_CLK_OFFSET				10
-#define MACB_CLK_SIZE				2
-#define MACB_RTY_OFFSET				12
-#define MACB_RTY_SIZE				1
-#define MACB_PAE_OFFSET				13
-#define MACB_PAE_SIZE				1
-#define MACB_RBOF_OFFSET			14
-#define MACB_RBOF_SIZE				2
-#define MACB_RLCE_OFFSET			16
-#define MACB_RLCE_SIZE				1
-#define MACB_DRFCS_OFFSET			17
-#define MACB_DRFCS_SIZE				1
-#define MACB_EFRHD_OFFSET			18
-#define MACB_EFRHD_SIZE				1
-#define MACB_IRXFCS_OFFSET			19
-#define MACB_IRXFCS_SIZE			1
-
-#define GEM_GBE_OFFSET				10
-#define GEM_GBE_SIZE				1
-#define GEM_CLK_OFFSET				18
-#define GEM_CLK_SIZE				3
-#define GEM_DBW_OFFSET				21
-#define GEM_DBW_SIZE				2
+#define MACB_SPD_OFFSET		0 /* Speed */
+#define MACB_SPD_SIZE		1
+#define MACB_FD_OFFSET		1 /* Full duplex */
+#define MACB_FD_SIZE		1
+#define MACB_BIT_RATE_OFFSET	2 /* Discard non-VLAN frames */
+#define MACB_BIT_RATE_SIZE	1
+#define MACB_JFRAME_OFFSET	3 /* reserved */
+#define MACB_JFRAME_SIZE	1
+#define MACB_CAF_OFFSET		4 /* Copy all frames */
+#define MACB_CAF_SIZE		1
+#define MACB_NBC_OFFSET		5 /* No broadcast */
+#define MACB_NBC_SIZE		1
+#define MACB_NCFGR_MTI_OFFSET	6 /* Multicast hash enable */
+#define MACB_NCFGR_MTI_SIZE	1
+#define MACB_UNI_OFFSET		7 /* Unicast hash enable */
+#define MACB_UNI_SIZE		1
+#define MACB_BIG_OFFSET		8 /* Receive 1536 byte frames */
+#define MACB_BIG_SIZE		1
+#define MACB_EAE_OFFSET		9 /* External address match enable */
+#define MACB_EAE_SIZE		1
+#define MACB_CLK_OFFSET		10
+#define MACB_CLK_SIZE		2
+#define MACB_RTY_OFFSET		12 /* Retry test */
+#define MACB_RTY_SIZE		1
+#define MACB_PAE_OFFSET		13 /* Pause enable */
+#define MACB_PAE_SIZE		1
+#define MACB_RM9200_RMII_OFFSET	13 /* AT91RM9200 only */
+#define MACB_RM9200_RMII_SIZE	1  /* AT91RM9200 only */
+#define MACB_RBOF_OFFSET	14 /* Receive buffer offset */
+#define MACB_RBOF_SIZE		2
+#define MACB_RLCE_OFFSET	16 /* Length field error frame discard */
+#define MACB_RLCE_SIZE		1
+#define MACB_DRFCS_OFFSET	17 /* FCS remove */
+#define MACB_DRFCS_SIZE		1
+#define MACB_EFRHD_OFFSET	18
+#define MACB_EFRHD_SIZE		1
+#define MACB_IRXFCS_OFFSET	19
+#define MACB_IRXFCS_SIZE	1
+
+/* GEM specific NCFGR bitfields. */
+#define GEM_GBE_OFFSET		10 /* Gigabit mode enable */
+#define GEM_GBE_SIZE		1
+#define GEM_PCSSEL_OFFSET	11
+#define GEM_PCSSEL_SIZE		1
+#define GEM_CLK_OFFSET		18 /* MDC clock division */
+#define GEM_CLK_SIZE		3
+#define GEM_DBW_OFFSET		21 /* Data bus width */
+#define GEM_DBW_SIZE		2
+#define GEM_RXCOEN_OFFSET	24
+#define GEM_RXCOEN_SIZE		1
+#define GEM_SGMIIEN_OFFSET	27
+#define GEM_SGMIIEN_SIZE	1
+
+
+/* Constants for data bus width. */
+#define GEM_DBW32		0 /* 32 bit AMBA AHB data bus width */
+#define GEM_DBW64		1 /* 64 bit AMBA AHB data bus width */
+#define GEM_DBW128		2 /* 128 bit AMBA AHB data bus width */
+
+/* Bitfields in DMACFG. */
+#define GEM_FBLDO_OFFSET	0 /* fixed burst length for DMA */
+#define GEM_FBLDO_SIZE		5
+#define GEM_ENDIA_DESC_OFFSET	6 /* endian swap mode for management descriptor access */
+#define GEM_ENDIA_DESC_SIZE	1
+#define GEM_ENDIA_PKT_OFFSET	7 /* endian swap mode for packet data access */
+#define GEM_ENDIA_PKT_SIZE	1
+#define GEM_RXBMS_OFFSET	8 /* RX packet buffer memory size select */
+#define GEM_RXBMS_SIZE		2
+#define GEM_TXPBMS_OFFSET	10 /* TX packet buffer memory size select */
+#define GEM_TXPBMS_SIZE		1
+#define GEM_TXCOEN_OFFSET	11 /* TX IP/TCP/UDP checksum gen offload */
+#define GEM_TXCOEN_SIZE		1
+#define GEM_RXBS_OFFSET		16 /* DMA receive buffer size */
+#define GEM_RXBS_SIZE		8
+#define GEM_DDRP_OFFSET		24 /* disc_when_no_ahb */
+#define GEM_DDRP_SIZE		1
+#define GEM_RXEXT_OFFSET	28 /* RX extended Buffer Descriptor mode */
+#define GEM_RXEXT_SIZE		1
+#define GEM_TXEXT_OFFSET	29 /* TX extended Buffer Descriptor mode */
+#define GEM_TXEXT_SIZE		1
+#define GEM_ADDR64_OFFSET	30 /* Address bus width - 64b or 32b */
+#define GEM_ADDR64_SIZE		1
+
 
 /* Bitfields in NSR */
-#define MACB_NSR_LINK_OFFSET			0
-#define MACB_NSR_LINK_SIZE			1
-#define MACB_MDIO_OFFSET			1
-#define MACB_MDIO_SIZE				1
-#define MACB_IDLE_OFFSET			2
-#define MACB_IDLE_SIZE				1
-
-/* Bitfields in UR */
-#define GEM_RGMII_OFFSET			0
-#define GEM_RGMII_SIZE				1
+#define MACB_NSR_LINK_OFFSET	0 /* pcs_link_state */
+#define MACB_NSR_LINK_SIZE	1
+#define MACB_MDIO_OFFSET	1 /* status of the mdio_in pin */
+#define MACB_MDIO_SIZE		1
+#define MACB_IDLE_OFFSET	2 /* The PHY management logic is idle */
+#define MACB_IDLE_SIZE		1
 
 /* Bitfields in TSR */
-#define MACB_UBR_OFFSET				0
-#define MACB_UBR_SIZE				1
-#define MACB_COL_OFFSET				1
-#define MACB_COL_SIZE				1
-#define MACB_TSR_RLE_OFFSET			2
-#define MACB_TSR_RLE_SIZE			1
-#define MACB_TGO_OFFSET				3
-#define MACB_TGO_SIZE				1
-#define MACB_BEX_OFFSET				4
-#define MACB_BEX_SIZE				1
-#define MACB_COMP_OFFSET			5
-#define MACB_COMP_SIZE				1
-#define MACB_UND_OFFSET				6
-#define MACB_UND_SIZE				1
+#define MACB_UBR_OFFSET		0 /* Used bit read */
+#define MACB_UBR_SIZE		1
+#define MACB_COL_OFFSET		1 /* Collision occurred */
+#define MACB_COL_SIZE		1
+#define MACB_TSR_RLE_OFFSET	2 /* Retry limit exceeded */
+#define MACB_TSR_RLE_SIZE	1
+#define MACB_TGO_OFFSET		3 /* Transmit go */
+#define MACB_TGO_SIZE		1
+#define MACB_BEX_OFFSET		4 /* TX frame corruption due to AHB error */
+#define MACB_BEX_SIZE		1
+#define MACB_RM9200_BNQ_OFFSET	4 /* AT91RM9200 only */
+#define MACB_RM9200_BNQ_SIZE	1 /* AT91RM9200 only */
+#define MACB_COMP_OFFSET	5 /* Trnasmit complete */
+#define MACB_COMP_SIZE		1
+#define MACB_UND_OFFSET		6 /* Trnasmit under run */
+#define MACB_UND_SIZE		1
 
 /* Bitfields in RSR */
-#define MACB_BNA_OFFSET				0
-#define MACB_BNA_SIZE				1
-#define MACB_REC_OFFSET				1
-#define MACB_REC_SIZE				1
-#define MACB_OVR_OFFSET				2
-#define MACB_OVR_SIZE				1
+#define MACB_BNA_OFFSET		0 /* Buffer not available */
+#define MACB_BNA_SIZE		1
+#define MACB_REC_OFFSET		1 /* Frame received */
+#define MACB_REC_SIZE		1
+#define MACB_OVR_OFFSET		2 /* Receive overrun */
+#define MACB_OVR_SIZE		1
 
 /* Bitfields in ISR/IER/IDR/IMR */
-#define MACB_MFD_OFFSET				0
-#define MACB_MFD_SIZE				1
-#define MACB_RCOMP_OFFSET			1
-#define MACB_RCOMP_SIZE				1
-#define MACB_RXUBR_OFFSET			2
-#define MACB_RXUBR_SIZE				1
-#define MACB_TXUBR_OFFSET			3
-#define MACB_TXUBR_SIZE				1
-#define MACB_ISR_TUND_OFFSET			4
-#define MACB_ISR_TUND_SIZE			1
-#define MACB_ISR_RLE_OFFSET			5
-#define MACB_ISR_RLE_SIZE			1
-#define MACB_TXERR_OFFSET			6
-#define MACB_TXERR_SIZE				1
-#define MACB_TCOMP_OFFSET			7
-#define MACB_TCOMP_SIZE				1
-#define MACB_ISR_LINK_OFFSET			9
-#define MACB_ISR_LINK_SIZE			1
-#define MACB_ISR_ROVR_OFFSET			10
-#define MACB_ISR_ROVR_SIZE			1
-#define MACB_HRESP_OFFSET			11
-#define MACB_HRESP_SIZE				1
-#define MACB_PFR_OFFSET				12
-#define MACB_PFR_SIZE				1
-#define MACB_PTZ_OFFSET				13
-#define MACB_PTZ_SIZE				1
+#define MACB_MFD_OFFSET		0 /* Management frame sent */
+#define MACB_MFD_SIZE		1
+#define MACB_RCOMP_OFFSET	1 /* Receive complete */
+#define MACB_RCOMP_SIZE		1
+#define MACB_RXUBR_OFFSET	2 /* RX used bit read */
+#define MACB_RXUBR_SIZE		1
+#define MACB_TXUBR_OFFSET	3 /* TX used bit read */
+#define MACB_TXUBR_SIZE		1
+#define MACB_ISR_TUND_OFFSET	4 /* Enable TX buffer under run interrupt */
+#define MACB_ISR_TUND_SIZE	1
+#define MACB_ISR_RLE_OFFSET	5 /* EN retry exceeded/late coll interrupt */
+#define MACB_ISR_RLE_SIZE	1
+#define MACB_TXERR_OFFSET	6 /* EN TX frame corrupt from error interrupt */
+#define MACB_TXERR_SIZE		1
+#define MACB_TCOMP_OFFSET	7 /* Enable transmit complete interrupt */
+#define MACB_TCOMP_SIZE		1
+#define MACB_ISR_LINK_OFFSET	9 /* Enable link change interrupt */
+#define MACB_ISR_LINK_SIZE	1
+#define MACB_ISR_ROVR_OFFSET	10 /* Enable receive overrun interrupt */
+#define MACB_ISR_ROVR_SIZE	1
+#define MACB_HRESP_OFFSET	11 /* Enable hrsep not OK interrupt */
+#define MACB_HRESP_SIZE		1
+#define MACB_PFR_OFFSET		12 /* Enable pause frame w/ quantum interrupt */
+#define MACB_PFR_SIZE		1
+#define MACB_PTZ_OFFSET		13 /* Enable pause time zero interrupt */
+#define MACB_PTZ_SIZE		1
+#define MACB_WOL_OFFSET		14 /* Enable wake-on-lan interrupt */
+#define MACB_WOL_SIZE		1
+#define MACB_DRQFR_OFFSET	18 /* PTP Delay Request Frame Received */
+#define MACB_DRQFR_SIZE		1
+#define MACB_SFR_OFFSET		19 /* PTP Sync Frame Received */
+#define MACB_SFR_SIZE		1
+#define MACB_DRQFT_OFFSET	20 /* PTP Delay Request Frame Transmitted */
+#define MACB_DRQFT_SIZE		1
+#define MACB_SFT_OFFSET		21 /* PTP Sync Frame Transmitted */
+#define MACB_SFT_SIZE		1
+#define MACB_PDRQFR_OFFSET	22 /* PDelay Request Frame Received */
+#define MACB_PDRQFR_SIZE	1
+#define MACB_PDRSFR_OFFSET	23 /* PDelay Response Frame Received */
+#define MACB_PDRSFR_SIZE	1
+#define MACB_PDRQFT_OFFSET	24 /* PDelay Request Frame Transmitted */
+#define MACB_PDRQFT_SIZE	1
+#define MACB_PDRSFT_OFFSET	25 /* PDelay Response Frame Transmitted */
+#define MACB_PDRSFT_SIZE	1
+#define MACB_SRI_OFFSET		26 /* TSU Seconds Register Increment */
+#define MACB_SRI_SIZE		1
+
+/* Timer increment fields */
+#define MACB_TI_CNS_OFFSET	0
+#define MACB_TI_CNS_SIZE	8
+#define MACB_TI_ACNS_OFFSET	8
+#define MACB_TI_ACNS_SIZE	8
+#define MACB_TI_NIT_OFFSET	16
+#define MACB_TI_NIT_SIZE	8
 
 /* Bitfields in MAN */
-#define MACB_DATA_OFFSET			0
-#define MACB_DATA_SIZE				16
-#define MACB_CODE_OFFSET			16
-#define MACB_CODE_SIZE				2
-#define MACB_REGA_OFFSET			18
-#define MACB_REGA_SIZE				5
-#define MACB_PHYA_OFFSET			23
-#define MACB_PHYA_SIZE				5
-#define MACB_RW_OFFSET				28
-#define MACB_RW_SIZE				2
-#define MACB_SOF_OFFSET				30
-#define MACB_SOF_SIZE				2
-
-/* Bitfields in USRIO */
+#define MACB_DATA_OFFSET	0 /* data */
+#define MACB_DATA_SIZE		16
+#define MACB_CODE_OFFSET	16 /* Must be written to 10 */
+#define MACB_CODE_SIZE		2
+#define MACB_REGA_OFFSET	18 /* Register address */
+#define MACB_REGA_SIZE		5
+#define MACB_PHYA_OFFSET	23 /* PHY address */
+#define MACB_PHYA_SIZE		5
+#define MACB_RW_OFFSET		28 /* Operation. 10 is read. 01 is write. */
+#define MACB_RW_SIZE		2
+#define MACB_SOF_OFFSET		30 /* Must be written to 1 for Clause 22 */
+#define MACB_SOF_SIZE		2
+
+/* Bitfields in USRIO (AVR32) */
 #define MACB_MII_OFFSET				0
 #define MACB_MII_SIZE				1
 #define MACB_EAM_OFFSET				1
@@ -232,6 +421,8 @@
 /* Bitfields in USRIO (AT91) */
 #define MACB_RMII_OFFSET			0
 #define MACB_RMII_SIZE				1
+#define GEM_RGMII_OFFSET			0 /* GEM gigabit mode */
+#define GEM_RGMII_SIZE				1
 #define MACB_CLKEN_OFFSET			1
 #define MACB_CLKEN_SIZE				1
 
@@ -249,17 +440,166 @@
 
 /* Bitfields in MID */
 #define MACB_IDNUM_OFFSET			16
-#define MACB_IDNUM_SIZE				16
+#define MACB_IDNUM_SIZE				12
+#define MACB_REV_OFFSET				0
+#define MACB_REV_SIZE				16
 
-/* Bitfields in DCFG1 */
+/* Bitfields in DCFG1. */
+#define GEM_IRQCOR_OFFSET			23
+#define GEM_IRQCOR_SIZE				1
 #define GEM_DBWDEF_OFFSET			25
 #define GEM_DBWDEF_SIZE				3
 
-/* constants for data bus width */
-#define GEM_DBW32				0
-#define GEM_DBW64				1
-#define GEM_DBW128				2
+/* Bitfields in DCFG2. */
+#define GEM_RX_PKT_BUFF_OFFSET			20
+#define GEM_RX_PKT_BUFF_SIZE			1
+#define GEM_TX_PKT_BUFF_OFFSET			21
+#define GEM_TX_PKT_BUFF_SIZE			1
+
+
+/* Bitfields in DCFG5. */
+#define GEM_TSU_OFFSET				8
+#define GEM_TSU_SIZE				1
+
+/* Bitfields in DCFG6. */
+#define GEM_PBUF_LSO_OFFSET			27
+#define GEM_PBUF_LSO_SIZE			1
+#define GEM_DAW64_OFFSET			23
+#define GEM_DAW64_SIZE				1
+
+/* Bitfields in DCFG8. */
+#define GEM_T1SCR_OFFSET			24
+#define GEM_T1SCR_SIZE				8
+#define GEM_T2SCR_OFFSET			16
+#define GEM_T2SCR_SIZE				8
+#define GEM_SCR2ETH_OFFSET			8
+#define GEM_SCR2ETH_SIZE			8
+#define GEM_SCR2CMP_OFFSET			0
+#define GEM_SCR2CMP_SIZE			8
+
+/* Bitfields in DCFG10 */
+#define GEM_TXBD_RDBUFF_OFFSET			12
+#define GEM_TXBD_RDBUFF_SIZE			4
+#define GEM_RXBD_RDBUFF_OFFSET			8
+#define GEM_RXBD_RDBUFF_SIZE			4
+
+/* Bitfields in TISUBN */
+#define GEM_SUBNSINCR_OFFSET			0
+#define GEM_SUBNSINCR_SIZE			16
+
+/* Bitfields in TI */
+#define GEM_NSINCR_OFFSET			0
+#define GEM_NSINCR_SIZE				8
+
+/* Bitfields in TSH */
+#define GEM_TSH_OFFSET				0 /* TSU timer value (s). MSB [47:32] of seconds timer count */
+#define GEM_TSH_SIZE				16
+
+/* Bitfields in TSL */
+#define GEM_TSL_OFFSET				0 /* TSU timer value (s). LSB [31:0] of seconds timer count */
+#define GEM_TSL_SIZE				32
 
+/* Bitfields in TN */
+#define GEM_TN_OFFSET				0 /* TSU timer value (ns) */
+#define GEM_TN_SIZE					30
+
+/* Bitfields in TXBDCTRL */
+#define GEM_TXTSMODE_OFFSET			4 /* TX Descriptor Timestamp Insertion mode */
+#define GEM_TXTSMODE_SIZE			2
+
+/* Bitfields in RXBDCTRL */
+#define GEM_RXTSMODE_OFFSET			4 /* RX Descriptor Timestamp Insertion mode */
+#define GEM_RXTSMODE_SIZE			2
+
+/* Bitfields in SCRT2 */
+#define GEM_QUEUE_OFFSET			0 /* Queue Number */
+#define GEM_QUEUE_SIZE				4
+#define GEM_VLANPR_OFFSET			4 /* VLAN Priority */
+#define GEM_VLANPR_SIZE				3
+#define GEM_VLANEN_OFFSET			8 /* VLAN Enable */
+#define GEM_VLANEN_SIZE				1
+#define GEM_ETHT2IDX_OFFSET			9 /* Index to screener type 2 EtherType register */
+#define GEM_ETHT2IDX_SIZE			3
+#define GEM_ETHTEN_OFFSET			12 /* EtherType Enable */
+#define GEM_ETHTEN_SIZE				1
+#define GEM_CMPA_OFFSET				13 /* Compare A - Index to screener type 2 Compare register */
+#define GEM_CMPA_SIZE				5
+#define GEM_CMPAEN_OFFSET			18 /* Compare A Enable */
+#define GEM_CMPAEN_SIZE				1
+#define GEM_CMPB_OFFSET				19 /* Compare B - Index to screener type 2 Compare register */
+#define GEM_CMPB_SIZE				5
+#define GEM_CMPBEN_OFFSET			24 /* Compare B Enable */
+#define GEM_CMPBEN_SIZE				1
+#define GEM_CMPC_OFFSET				25 /* Compare C - Index to screener type 2 Compare register */
+#define GEM_CMPC_SIZE				5
+#define GEM_CMPCEN_OFFSET			30 /* Compare C Enable */
+#define GEM_CMPCEN_SIZE				1
+
+/* Bitfields in ETHT */
+#define GEM_ETHTCMP_OFFSET			0 /* EtherType compare value */
+#define GEM_ETHTCMP_SIZE			16
+
+/* Bitfields in T2CMPW0 */
+#define GEM_T2CMP_OFFSET			16 /* 0xFFFF0000 compare value */
+#define GEM_T2CMP_SIZE				16
+#define GEM_T2MASK_OFFSET			0 /* 0x0000FFFF compare value or mask */
+#define GEM_T2MASK_SIZE				16
+
+/* Bitfields in T2CMPW1 */
+#define GEM_T2DISMSK_OFFSET			9 /* disable mask */
+#define GEM_T2DISMSK_SIZE			1
+#define GEM_T2CMPOFST_OFFSET			7 /* compare offset */
+#define GEM_T2CMPOFST_SIZE			2
+#define GEM_T2OFST_OFFSET			0 /* offset value */
+#define GEM_T2OFST_SIZE				7
+
+/* Offset for screener type 2 compare values (T2CMPOFST).
+ * Note the offset is applied after the specified point,
+ * e.g. GEM_T2COMPOFST_ETYPE denotes the EtherType field, so an offset
+ * of 12 bytes from this would be the source IP address in an IP header
+ */
+#define GEM_T2COMPOFST_SOF		0
+#define GEM_T2COMPOFST_ETYPE	1
+#define GEM_T2COMPOFST_IPHDR	2
+#define GEM_T2COMPOFST_TCPUDP	3
+
+/* offset from EtherType to IP address */
+#define ETYPE_SRCIP_OFFSET			12
+#define ETYPE_DSTIP_OFFSET			16
+
+/* offset from IP header to port */
+#define IPHDR_SRCPORT_OFFSET		0
+#define IPHDR_DSTPORT_OFFSET		2
+
+/* Transmit DMA buffer descriptor Word 1 */
+#define GEM_DMA_TXVALID_OFFSET		23 /* timestamp has been captured in the Buffer Descriptor */
+#define GEM_DMA_TXVALID_SIZE		1
+
+/* Receive DMA buffer descriptor Word 0 */
+#define GEM_DMA_RXVALID_OFFSET		2 /* indicates a valid timestamp in the Buffer Descriptor */
+#define GEM_DMA_RXVALID_SIZE		1
+
+/* DMA buffer descriptor Word 2 (32 bit addressing) or Word 4 (64 bit addressing) */
+#define GEM_DMA_SECL_OFFSET			30 /* Timestamp seconds[1:0]  */
+#define GEM_DMA_SECL_SIZE			2
+#define GEM_DMA_NSEC_OFFSET			0 /* Timestamp nanosecs [29:0] */
+#define GEM_DMA_NSEC_SIZE			30
+
+/* DMA buffer descriptor Word 3 (32 bit addressing) or Word 5 (64 bit addressing) */
+
+/* New hardware supports 12 bit precision of timestamp in DMA buffer descriptor.
+ * Old hardware supports only 6 bit precision but it is enough for PTP.
+ * Less accuracy is used always instead of checking hardware version.
+ */
+#define GEM_DMA_SECH_OFFSET			0 /* Timestamp seconds[5:2] */
+#define GEM_DMA_SECH_SIZE			4
+#define GEM_DMA_SEC_WIDTH			(GEM_DMA_SECH_SIZE + GEM_DMA_SECL_SIZE)
+#define GEM_DMA_SEC_TOP				(1 << GEM_DMA_SEC_WIDTH)
+#define GEM_DMA_SEC_MASK			(GEM_DMA_SEC_TOP - 1)
+
+/* Bitfields in ADJ */
+#define GEM_ADDSUB_OFFSET			31
+#define GEM_ADDSUB_SIZE				1
 /* Constants for CLK */
 #define MACB_CLK_DIV8				0
 #define MACB_CLK_DIV16				1
@@ -280,19 +620,38 @@
 #define MACB_MAN_READ				2
 #define MACB_MAN_CODE				2
 
+/* Capability mask bits */
+#define MACB_CAPS_ISR_CLEAR_ON_WRITE		0x00000001
+#define MACB_CAPS_USRIO_HAS_CLKEN		0x00000002
+#define MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII	0x00000004
+#define MACB_CAPS_NO_GIGABIT_HALF		0x00000008
+#define MACB_CAPS_USRIO_DISABLED		0x00000010
+#define MACB_CAPS_JUMBO				0x00000020
+#define MACB_CAPS_GEM_HAS_PTP			0x00000040
+#define MACB_CAPS_BD_RD_PREFETCH		0x00000080
+#define MACB_CAPS_NEEDS_RSTONUBR		0x00000100
+#define MACB_CAPS_FIFO_MODE			0x10000000
+#define MACB_CAPS_GIGABIT_MODE_AVAILABLE	0x20000000
+#define MACB_CAPS_SG_DISABLED			0x40000000
+#define MACB_CAPS_MACB_IS_GEM			0x80000000
+
+/* LSO settings */
+#define MACB_LSO_UFO_ENABLE			0x01
+#define MACB_LSO_TSO_ENABLE			0x02
+
 /* Bit manipulation macros */
 #define MACB_BIT(name)					\
 	(1 << MACB_##name##_OFFSET)
-#define MACB_BF(name, value)				\
+#define MACB_BF(name,value)				\
 	(((value) & ((1 << MACB_##name##_SIZE) - 1))	\
 	 << MACB_##name##_OFFSET)
-#define MACB_BFEXT(name, value)\
+#define MACB_BFEXT(name,value)\
 	(((value) >> MACB_##name##_OFFSET)		\
 	 & ((1 << MACB_##name##_SIZE) - 1))
-#define MACB_BFINS(name, value, old)			\
+#define MACB_BFINS(name,value,old)			\
 	(((old) & ~(((1 << MACB_##name##_SIZE) - 1)	\
 		    << MACB_##name##_OFFSET))		\
-	 | MACB_BF(name, value))
+	 | MACB_BF(name,value))
 
 #define GEM_BIT(name)					\
 	(1 << GEM_##name##_OFFSET)
@@ -316,6 +675,95 @@
 	readl((port)->regs + GEM_##reg)
 #define gem_writel(port, reg, value)			\
 	writel((value), (port)->regs + GEM_##reg)
+
+/* DMA descriptor bitfields */
+#define MACB_RX_USED_OFFSET			0
+#define MACB_RX_USED_SIZE			1
+#define MACB_RX_WRAP_OFFSET			1
+#define MACB_RX_WRAP_SIZE			1
+#define MACB_RX_WADDR_OFFSET			2
+#define MACB_RX_WADDR_SIZE			30
+
+#define MACB_RX_FRMLEN_OFFSET			0
+#define MACB_RX_FRMLEN_SIZE			12
+#define MACB_RX_OFFSET_OFFSET			12
+#define MACB_RX_OFFSET_SIZE			2
+#define MACB_RX_SOF_OFFSET			14
+#define MACB_RX_SOF_SIZE			1
+#define MACB_RX_EOF_OFFSET			15
+#define MACB_RX_EOF_SIZE			1
+#define MACB_RX_CFI_OFFSET			16
+#define MACB_RX_CFI_SIZE			1
+#define MACB_RX_VLAN_PRI_OFFSET			17
+#define MACB_RX_VLAN_PRI_SIZE			3
+#define MACB_RX_PRI_TAG_OFFSET			20
+#define MACB_RX_PRI_TAG_SIZE			1
+#define MACB_RX_VLAN_TAG_OFFSET			21
+#define MACB_RX_VLAN_TAG_SIZE			1
+#define MACB_RX_TYPEID_MATCH_OFFSET		22
+#define MACB_RX_TYPEID_MATCH_SIZE		1
+#define MACB_RX_SA4_MATCH_OFFSET		23
+#define MACB_RX_SA4_MATCH_SIZE			1
+#define MACB_RX_SA3_MATCH_OFFSET		24
+#define MACB_RX_SA3_MATCH_SIZE			1
+#define MACB_RX_SA2_MATCH_OFFSET		25
+#define MACB_RX_SA2_MATCH_SIZE			1
+#define MACB_RX_SA1_MATCH_OFFSET		26
+#define MACB_RX_SA1_MATCH_SIZE			1
+#define MACB_RX_EXT_MATCH_OFFSET		28
+#define MACB_RX_EXT_MATCH_SIZE			1
+#define MACB_RX_UHASH_MATCH_OFFSET		29
+#define MACB_RX_UHASH_MATCH_SIZE		1
+#define MACB_RX_MHASH_MATCH_OFFSET		30
+#define MACB_RX_MHASH_MATCH_SIZE		1
+#define MACB_RX_BROADCAST_OFFSET		31
+#define MACB_RX_BROADCAST_SIZE			1
+
+#define MACB_RX_FRMLEN_MASK			0xFFF
+#define MACB_RX_JFRMLEN_MASK			0x3FFF
+
+/* RX checksum offload disabled: bit 24 clear in NCFGR */
+#define GEM_RX_TYPEID_MATCH_OFFSET		22
+#define GEM_RX_TYPEID_MATCH_SIZE		2
+
+/* RX checksum offload enabled: bit 24 set in NCFGR */
+#define GEM_RX_CSUM_OFFSET			22
+#define GEM_RX_CSUM_SIZE			2
+
+#define MACB_TX_FRMLEN_OFFSET			0
+#define MACB_TX_FRMLEN_SIZE			11
+#define MACB_TX_LAST_OFFSET			15
+#define MACB_TX_LAST_SIZE			1
+#define MACB_TX_NOCRC_OFFSET			16
+#define MACB_TX_NOCRC_SIZE			1
+#define MACB_MSS_MFS_OFFSET			16
+#define MACB_MSS_MFS_SIZE			14
+#define MACB_TX_LSO_OFFSET			17
+#define MACB_TX_LSO_SIZE			2
+#define MACB_TX_TCP_SEQ_SRC_OFFSET		19
+#define MACB_TX_TCP_SEQ_SRC_SIZE		1
+#define MACB_TX_BUF_EXHAUSTED_OFFSET		27
+#define MACB_TX_BUF_EXHAUSTED_SIZE		1
+#define MACB_TX_UNDERRUN_OFFSET			28
+#define MACB_TX_UNDERRUN_SIZE			1
+#define MACB_TX_ERROR_OFFSET			29
+#define MACB_TX_ERROR_SIZE			1
+#define MACB_TX_WRAP_OFFSET			30
+#define MACB_TX_WRAP_SIZE			1
+#define MACB_TX_USED_OFFSET			31
+#define MACB_TX_USED_SIZE			1
+
+#define GEM_TX_FRMLEN_OFFSET			0
+#define GEM_TX_FRMLEN_SIZE			14
+
+/* Buffer descriptor constants */
+#define GEM_RX_CSUM_NONE			0
+#define GEM_RX_CSUM_IP_ONLY			1
+#define GEM_RX_CSUM_IP_TCP			2
+#define GEM_RX_CSUM_IP_UDP			3
+
+/* limit RX checksum offload to TCP and UDP packets */
+#define GEM_RX_CSUM_CHECKED_MASK		2
 #define gem_writel_queue_TBQP(port, value, queue_num)	\
 	writel((value), (port)->regs + GEM_TBQP(queue_num))