| /* Copyright (c) 2013-2016, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef _EMAC_H_ |
| #define _EMAC_H_ |
| |
| #include <linux/irqreturn.h> |
| #include <linux/netdevice.h> |
| #include <linux/clk.h> |
| #include <linux/platform_device.h> |
| #include "emac-mac.h" |
| #include "emac-phy.h" |
| |
| /* EMAC base register offsets */ |
| #define EMAC_DMA_MAS_CTRL 0x001400 |
| #define EMAC_IRQ_MOD_TIM_INIT 0x001408 |
| #define EMAC_BLK_IDLE_STS 0x00140c |
| #define EMAC_PHY_LINK_DELAY 0x00141c |
| #define EMAC_SYS_ALIV_CTRL 0x001434 |
| #define EMAC_MAC_IPGIFG_CTRL 0x001484 |
| #define EMAC_MAC_STA_ADDR0 0x001488 |
| #define EMAC_MAC_STA_ADDR1 0x00148c |
| #define EMAC_HASH_TAB_REG0 0x001490 |
| #define EMAC_HASH_TAB_REG1 0x001494 |
| #define EMAC_MAC_HALF_DPLX_CTRL 0x001498 |
| #define EMAC_MAX_FRAM_LEN_CTRL 0x00149c |
| #define EMAC_INT_STATUS 0x001600 |
| #define EMAC_INT_MASK 0x001604 |
| #define EMAC_RXMAC_STATC_REG0 0x001700 |
| #define EMAC_RXMAC_STATC_REG22 0x001758 |
| #define EMAC_TXMAC_STATC_REG0 0x001760 |
| #define EMAC_TXMAC_STATC_REG24 0x0017c0 |
| #define EMAC_CORE_HW_VERSION 0x001974 |
| #define EMAC_IDT_TABLE0 0x001b00 |
| #define EMAC_RXMAC_STATC_REG23 0x001bc8 |
| #define EMAC_RXMAC_STATC_REG24 0x001bcc |
| #define EMAC_TXMAC_STATC_REG25 0x001bd0 |
| #define EMAC_INT1_MASK 0x001bf0 |
| #define EMAC_INT1_STATUS 0x001bf4 |
| #define EMAC_INT2_MASK 0x001bf8 |
| #define EMAC_INT2_STATUS 0x001bfc |
| #define EMAC_INT3_MASK 0x001c00 |
| #define EMAC_INT3_STATUS 0x001c04 |
| |
| /* EMAC_DMA_MAS_CTRL */ |
| #define DEV_ID_NUM_BMSK 0x7f000000 |
| #define DEV_ID_NUM_SHFT 24 |
| #define DEV_REV_NUM_BMSK 0xff0000 |
| #define DEV_REV_NUM_SHFT 16 |
| #define INT_RD_CLR_EN 0x4000 |
| #define IRQ_MODERATOR2_EN 0x800 |
| #define IRQ_MODERATOR_EN 0x400 |
| #define LPW_CLK_SEL 0x80 |
| #define LPW_STATE 0x20 |
| #define LPW_MODE 0x10 |
| #define SOFT_RST 0x1 |
| |
| /* EMAC_IRQ_MOD_TIM_INIT */ |
| #define IRQ_MODERATOR2_INIT_BMSK 0xffff0000 |
| #define IRQ_MODERATOR2_INIT_SHFT 16 |
| #define IRQ_MODERATOR_INIT_BMSK 0xffff |
| #define IRQ_MODERATOR_INIT_SHFT 0 |
| |
| /* EMAC_INT_STATUS */ |
| #define DIS_INT BIT(31) |
| #define PTP_INT BIT(30) |
| #define RFD4_UR_INT BIT(29) |
| #define TX_PKT_INT3 BIT(26) |
| #define TX_PKT_INT2 BIT(25) |
| #define TX_PKT_INT1 BIT(24) |
| #define RX_PKT_INT3 BIT(19) |
| #define RX_PKT_INT2 BIT(18) |
| #define RX_PKT_INT1 BIT(17) |
| #define RX_PKT_INT0 BIT(16) |
| #define TX_PKT_INT BIT(15) |
| #define TXQ_TO_INT BIT(14) |
| #define GPHY_WAKEUP_INT BIT(13) |
| #define GPHY_LINK_DOWN_INT BIT(12) |
| #define GPHY_LINK_UP_INT BIT(11) |
| #define DMAW_TO_INT BIT(10) |
| #define DMAR_TO_INT BIT(9) |
| #define TXF_UR_INT BIT(8) |
| #define RFD3_UR_INT BIT(7) |
| #define RFD2_UR_INT BIT(6) |
| #define RFD1_UR_INT BIT(5) |
| #define RFD0_UR_INT BIT(4) |
| #define RXF_OF_INT BIT(3) |
| #define SW_MAN_INT BIT(2) |
| |
| /* EMAC_MAILBOX_6 */ |
| #define RFD2_PROC_IDX_BMSK 0xfff0000 |
| #define RFD2_PROC_IDX_SHFT 16 |
| #define RFD2_PROD_IDX_BMSK 0xfff |
| #define RFD2_PROD_IDX_SHFT 0 |
| |
| /* EMAC_CORE_HW_VERSION */ |
| #define MAJOR_BMSK 0xf0000000 |
| #define MAJOR_SHFT 28 |
| #define MINOR_BMSK 0xfff0000 |
| #define MINOR_SHFT 16 |
| #define STEP_BMSK 0xffff |
| #define STEP_SHFT 0 |
| |
| /* EMAC_EMAC_WRAPPER_CSR1 */ |
| #define TX_INDX_FIFO_SYNC_RST BIT(23) |
| #define TX_TS_FIFO_SYNC_RST BIT(22) |
| #define RX_TS_FIFO2_SYNC_RST BIT(21) |
| #define RX_TS_FIFO1_SYNC_RST BIT(20) |
| #define TX_TS_ENABLE BIT(16) |
| #define DIS_1588_CLKS BIT(11) |
| #define FREQ_MODE BIT(9) |
| #define ENABLE_RRD_TIMESTAMP BIT(3) |
| |
| /* EMAC_EMAC_WRAPPER_CSR2 */ |
| #define HDRIVE_BMSK 0x3000 |
| #define HDRIVE_SHFT 12 |
| #define SLB_EN BIT(9) |
| #define PLB_EN BIT(8) |
| #define WOL_EN BIT(3) |
| #define PHY_RESET BIT(0) |
| |
| #define EMAC_DEV_ID 0x0040 |
| |
| /* SGMII v2 per lane registers */ |
| #define SGMII_LN_RSM_START 0x029C |
| |
| /* SGMII v2 PHY common registers */ |
| #define SGMII_PHY_CMN_CTRL 0x0408 |
| #define SGMII_PHY_CMN_RESET_CTRL 0x0410 |
| |
| /* SGMII v2 PHY registers per lane */ |
| #define SGMII_PHY_LN_OFFSET 0x0400 |
| #define SGMII_PHY_LN_LANE_STATUS 0x00DC |
| #define SGMII_PHY_LN_BIST_GEN0 0x008C |
| #define SGMII_PHY_LN_BIST_GEN1 0x0090 |
| #define SGMII_PHY_LN_BIST_GEN2 0x0094 |
| #define SGMII_PHY_LN_BIST_GEN3 0x0098 |
| #define SGMII_PHY_LN_CDR_CTRL1 0x005C |
| |
| enum emac_clk_id { |
| EMAC_CLK_AXI, |
| EMAC_CLK_CFG_AHB, |
| EMAC_CLK_HIGH_SPEED, |
| EMAC_CLK_MDIO, |
| EMAC_CLK_TX, |
| EMAC_CLK_RX, |
| EMAC_CLK_SYS, |
| EMAC_CLK_CNT |
| }; |
| |
| #define EMAC_LINK_SPEED_UNKNOWN 0x0 |
| #define EMAC_LINK_SPEED_10_HALF BIT(0) |
| #define EMAC_LINK_SPEED_10_FULL BIT(1) |
| #define EMAC_LINK_SPEED_100_HALF BIT(2) |
| #define EMAC_LINK_SPEED_100_FULL BIT(3) |
| #define EMAC_LINK_SPEED_1GB_FULL BIT(5) |
| |
| #define EMAC_MAX_SETUP_LNK_CYCLE 100 |
| |
| /* Wake On Lan */ |
| #define EMAC_WOL_PHY 0x00000001 /* PHY Status Change */ |
| #define EMAC_WOL_MAGIC 0x00000002 /* Magic Packet */ |
| |
| struct emac_stats { |
| /* rx */ |
| u64 rx_ok; /* good packets */ |
| u64 rx_bcast; /* good broadcast packets */ |
| u64 rx_mcast; /* good multicast packets */ |
| u64 rx_pause; /* pause packet */ |
| u64 rx_ctrl; /* control packets other than pause frame. */ |
| u64 rx_fcs_err; /* packets with bad FCS. */ |
| u64 rx_len_err; /* packets with length mismatch */ |
| u64 rx_byte_cnt; /* good bytes count (without FCS) */ |
| u64 rx_runt; /* runt packets */ |
| u64 rx_frag; /* fragment count */ |
| u64 rx_sz_64; /* packets that are 64 bytes */ |
| u64 rx_sz_65_127; /* packets that are 65-127 bytes */ |
| u64 rx_sz_128_255; /* packets that are 128-255 bytes */ |
| u64 rx_sz_256_511; /* packets that are 256-511 bytes */ |
| u64 rx_sz_512_1023; /* packets that are 512-1023 bytes */ |
| u64 rx_sz_1024_1518; /* packets that are 1024-1518 bytes */ |
| u64 rx_sz_1519_max; /* packets that are 1519-MTU bytes*/ |
| u64 rx_sz_ov; /* packets that are >MTU bytes (truncated) */ |
| u64 rx_rxf_ov; /* packets dropped due to RX FIFO overflow */ |
| u64 rx_align_err; /* alignment errors */ |
| u64 rx_bcast_byte_cnt; /* broadcast packets byte count (without FCS) */ |
| u64 rx_mcast_byte_cnt; /* multicast packets byte count (without FCS) */ |
| u64 rx_err_addr; /* packets dropped due to address filtering */ |
| u64 rx_crc_align; /* CRC align errors */ |
| u64 rx_jabbers; /* jabbers */ |
| |
| /* tx */ |
| u64 tx_ok; /* good packets */ |
| u64 tx_bcast; /* good broadcast packets */ |
| u64 tx_mcast; /* good multicast packets */ |
| u64 tx_pause; /* pause packets */ |
| u64 tx_exc_defer; /* packets with excessive deferral */ |
| u64 tx_ctrl; /* control packets other than pause frame */ |
| u64 tx_defer; /* packets that are deferred. */ |
| u64 tx_byte_cnt; /* good bytes count (without FCS) */ |
| u64 tx_sz_64; /* packets that are 64 bytes */ |
| u64 tx_sz_65_127; /* packets that are 65-127 bytes */ |
| u64 tx_sz_128_255; /* packets that are 128-255 bytes */ |
| u64 tx_sz_256_511; /* packets that are 256-511 bytes */ |
| u64 tx_sz_512_1023; /* packets that are 512-1023 bytes */ |
| u64 tx_sz_1024_1518; /* packets that are 1024-1518 bytes */ |
| u64 tx_sz_1519_max; /* packets that are 1519-MTU bytes */ |
| u64 tx_1_col; /* packets single prior collision */ |
| u64 tx_2_col; /* packets with multiple prior collisions */ |
| u64 tx_late_col; /* packets with late collisions */ |
| u64 tx_abort_col; /* packets aborted due to excess collisions */ |
| u64 tx_underrun; /* packets aborted due to FIFO underrun */ |
| u64 tx_rd_eop; /* count of reads beyond EOP */ |
| u64 tx_len_err; /* packets with length mismatch */ |
| u64 tx_trunc; /* packets truncated due to size >MTU */ |
| u64 tx_bcast_byte; /* broadcast packets byte count (without FCS) */ |
| u64 tx_mcast_byte; /* multicast packets byte count (without FCS) */ |
| u64 tx_col; /* collisions */ |
| |
| spinlock_t lock; /* prevent multiple simultaneous readers */ |
| }; |
| |
| /* RSS hstype Definitions */ |
| #define EMAC_RSS_HSTYP_IPV4_EN 0x00000001 |
| #define EMAC_RSS_HSTYP_TCP4_EN 0x00000002 |
| #define EMAC_RSS_HSTYP_IPV6_EN 0x00000004 |
| #define EMAC_RSS_HSTYP_TCP6_EN 0x00000008 |
| #define EMAC_RSS_HSTYP_ALL_EN (\ |
| EMAC_RSS_HSTYP_IPV4_EN |\ |
| EMAC_RSS_HSTYP_TCP4_EN |\ |
| EMAC_RSS_HSTYP_IPV6_EN |\ |
| EMAC_RSS_HSTYP_TCP6_EN) |
| |
| #define EMAC_VLAN_TO_TAG(_vlan, _tag) \ |
| (_tag = ((((_vlan) >> 8) & 0xFF) | (((_vlan) & 0xFF) << 8))) |
| |
| #define EMAC_TAG_TO_VLAN(_tag, _vlan) \ |
| (_vlan = ((((_tag) >> 8) & 0xFF) | (((_tag) & 0xFF) << 8))) |
| |
| #define EMAC_DEF_RX_BUF_SIZE 1536 |
| #define EMAC_MAX_JUMBO_PKT_SIZE (9 * 1024) |
| #define EMAC_MAX_TX_OFFLOAD_THRESH (9 * 1024) |
| |
| #define EMAC_MAX_ETH_FRAME_SIZE EMAC_MAX_JUMBO_PKT_SIZE |
| #define EMAC_MIN_ETH_FRAME_SIZE 68 |
| |
| #define EMAC_DEF_TX_QUEUES 1 |
| #define EMAC_DEF_RX_QUEUES 1 |
| |
| #define EMAC_MIN_TX_DESCS 128 |
| #define EMAC_MIN_RX_DESCS 128 |
| |
| #define EMAC_MAX_TX_DESCS 16383 |
| #define EMAC_MAX_RX_DESCS 2047 |
| |
| #define EMAC_DEF_TX_DESCS 512 |
| #define EMAC_DEF_RX_DESCS 256 |
| |
| #define EMAC_DEF_RX_IRQ_MOD 250 |
| #define EMAC_DEF_TX_IRQ_MOD 250 |
| |
| #define EMAC_WATCHDOG_TIME (5 * HZ) |
| |
| /* by default check link every 4 seconds */ |
| #define EMAC_TRY_LINK_TIMEOUT (4 * HZ) |
| |
| /* emac_irq per-device (per-adapter) irq properties. |
| * @irq: irq number. |
| * @mask mask to use over status register. |
| */ |
| struct emac_irq { |
| unsigned int irq; |
| u32 mask; |
| }; |
| |
| /* The device's main data structure */ |
| struct emac_adapter { |
| struct net_device *netdev; |
| struct mii_bus *mii_bus; |
| struct phy_device *phydev; |
| |
| void __iomem *base; |
| void __iomem *csr; |
| |
| struct emac_phy phy; |
| struct emac_stats stats; |
| |
| struct emac_irq irq; |
| struct clk *clk[EMAC_CLK_CNT]; |
| |
| /* All Descriptor memory */ |
| struct emac_ring_header ring_header; |
| struct emac_tx_queue tx_q; |
| struct emac_rx_queue rx_q; |
| unsigned int tx_desc_cnt; |
| unsigned int rx_desc_cnt; |
| unsigned int rrd_size; /* in quad words */ |
| unsigned int rfd_size; /* in quad words */ |
| unsigned int tpd_size; /* in quad words */ |
| |
| unsigned int rxbuf_size; |
| |
| /* Ring parameter */ |
| u8 tpd_burst; |
| u8 rfd_burst; |
| unsigned int dmaw_dly_cnt; |
| unsigned int dmar_dly_cnt; |
| enum emac_dma_req_block dmar_block; |
| enum emac_dma_req_block dmaw_block; |
| enum emac_dma_order dma_order; |
| |
| u32 irq_mod; |
| u32 preamble; |
| |
| struct work_struct work_thread; |
| |
| u16 msg_enable; |
| |
| struct mutex reset_lock; |
| }; |
| |
| int emac_reinit_locked(struct emac_adapter *adpt); |
| void emac_reg_update32(void __iomem *addr, u32 mask, u32 val); |
| irqreturn_t emac_isr(int irq, void *data); |
| |
| #endif /* _EMAC_H_ */ |
