ethernet/cadence/macb.h

1 /* SPDX-License-Identifier: GPL-2.0-only */
5  * Copyright (C) 2004-2006 Atmel Corporation
84 #define GEM_DMACFG		0x0010 /* DMA Configuration */
112 #define GEM_TX64CNT		0x0118 /* 64 byte Frames TX counter */
113 #define GEM_TX65CNT		0x011c /* 65-127 byte Frames TX counter */
114 #define GEM_TX128CNT		0x0120 /* 128-255 byte Frames TX counter */
115 #define GEM_TX256CNT		0x0124 /* 256-511 byte Frames TX counter */
116 #define GEM_TX512CNT		0x0128 /* 512-1023 byte Frames TX counter */
117 #define GEM_TX1024CNT		0x012c /* 1024-1518 byte Frames TX counter */
118 #define GEM_TX1519CNT		0x0130 /* 1519+ byte Frames TX counter */
133 #define GEM_RX64CNT		0x0168 /* 64 byte Frames RX Counter */
134 #define GEM_RX65CNT		0x016c /* 65-127 byte Frames RX Counter */
135 #define GEM_RX128CNT		0x0170 /* 128-255 byte Frames RX Counter */
136 #define GEM_RX256CNT		0x0174 /* 256-511 byte Frames RX Counter */
137 #define GEM_RX512CNT		0x0178 /* 512-1023 byte Frames RX Counter */
138 #define GEM_RX1024CNT		0x017c /* 1024-1518 byte Frames RX Counter */
139 #define GEM_RX1519CNT		0x0180 /* 1519+ byte Frames RX Counter */
152 #define GEM_TISUBN		0x01bc /* 1588 Timer Increment Sub-ns */
210 /* Which screening type 2 EtherType register will be used (0 - 7) */
263 #define MACB_BIT_RATE_OFFSET	2 /* Discard non-VLAN frames */
275 #define MACB_BIG_OFFSET		8 /* Receive 1536 byte frames */
327 #define GEM_FBLDO_OFFSET	0 /* fixed burst length for DMA */
339 #define GEM_RXBS_OFFSET		16 /* DMA receive buffer size */
347 #define GEM_ADDR64_OFFSET	30 /* Address bus width - 64b or 32b */
400 #define MACB_ISR_RLE_OFFSET	5 /* EN retry exceeded/late coll interrupt */
402 #define MACB_TXERR_OFFSET	6 /* EN TX frame corrupt from error interrupt */
404 #define MACB_RM9200_TBRE_OFFSET	6 /* EN may send new frame interrupt (RM9200) */
418 #define MACB_WOL_OFFSET		14 /* Enable wake-on-lan interrupt */
438 #define GEM_WOL_OFFSET		28 /* Enable wake-on-lan interrupt */
617 #define GEM_CMPA_OFFSET				13 /* Compare A - Index to screener type 2 Compare register */
621 #define GEM_CMPB_OFFSET				19 /* Compare B - Index to screener type 2 Compare register */
625 #define GEM_CMPC_OFFSET				25 /* Compare C - Index to screener type 2 Compare register */
666 /* Transmit DMA buffer descriptor Word 1 */
670 /* Receive DMA buffer descriptor Word 0 */
674 /* DMA buffer descriptor Word 2 (32 bit addressing) or Word 4 (64 bit addressing) */
680 /* DMA buffer descriptor Word 3 (32 bit addressing) or Word 5 (64 bit addressing) */
682 /* New hardware supports 12 bit precision of timestamp in DMA buffer descriptor.
690 #define GEM_DMA_SEC_MASK			(GEM_DMA_SEC_TOP - 1)
753 	(((value) & ((1 << MACB_##name##_SIZE) - 1))	\
757 	 & ((1 << MACB_##name##_SIZE) - 1))
759 	(((old) & ~(((1 << MACB_##name##_SIZE) - 1)	\
766 	(((value) & ((1 << GEM_##name##_SIZE) - 1))	\
770 	 & ((1 << GEM_##name##_SIZE) - 1))
772 	(((old) & ~(((1 << GEM_##name##_SIZE) - 1)	\
777 #define macb_readl(port, reg)		(port)->macb_reg_readl((port), MACB_##reg)
778 #define macb_writel(port, reg, value)	(port)->macb_reg_writel((port), MACB_##reg, (value))
779 #define gem_readl(port, reg)		(port)->macb_reg_readl((port), GEM_##reg)
780 #define gem_writel(port, reg, value)	(port)->macb_reg_writel((port), GEM_##reg, (value))
781 #define queue_readl(queue, reg)		(queue)->bp->macb_reg_readl((queue)->bp, (queue)->reg)
782 #define queue_writel(queue, reg, value)	(queue)->bp->macb_reg_writel((queue)->bp, (queue)->reg, (va…
783 #define gem_readl_n(port, reg, idx)		(port)->macb_reg_readl((port), GEM_##reg + idx * 4)
784 #define gem_writel_n(port, reg, idx, value)	(port)->macb_reg_writel((port), GEM_##reg + idx * 4, (v…
811 /* struct macb_dma_desc - Hardware DMA descriptor
812  * @addr: DMA address of data buffer
837 /* DMA descriptor bitfields */
929 /* struct macb_tx_skb - data about an skb which is being transmitted
932  * @mapping: DMA address of the skb's fragment buffer
933  * @size: size of the DMA mapped buffer
944 /* Hardware-collected statistics. Used when updating the network
1020  * returned by `ethtool -S`. Also describes which net_device_stats statistics
1159 /* MACB-PTP interface: adapt to platform needs. */
1305 	struct macb_ptp_info	*ptp_info;	/* macb-ptp interface */
1337 #define TSU_SEC_MAX_VAL (((u64)1 << GEM_TSEC_SIZE) - 1)
1338 #define TSU_NSEC_MAX_VAL ((1 << GEM_TN_SIZE) - 1)
1353 	if (bp->tstamp_config.tx_type == TSTAMP_DISABLED)  in gem_ptp_do_txstamp()
1361 	if (bp->tstamp_config.rx_filter == TSTAMP_DISABLED)  in gem_ptp_do_rxstamp()
1378 	return !!(bp->caps & MACB_CAPS_MACB_IS_GEM);  in macb_is_gem()
1383 	return IS_ENABLED(CONFIG_MACB_USE_HWSTAMP) && (bp->caps & MACB_CAPS_GEM_HAS_PTP);  in gem_has_ptp()
1387  * struct macb_platform_data - platform data for MACB Ethernet used for PCI registration