594 lines
20 KiB
C
594 lines
20 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _BGMAC_H
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#define _BGMAC_H
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#include <linux/netdevice.h>
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#include "unimac.h"
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#define BGMAC_DEV_CTL 0x000
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#define BGMAC_DC_TSM 0x00000002
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#define BGMAC_DC_CFCO 0x00000004
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#define BGMAC_DC_RLSS 0x00000008
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#define BGMAC_DC_MROR 0x00000010
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#define BGMAC_DC_FCM_MASK 0x00000060
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#define BGMAC_DC_FCM_SHIFT 5
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#define BGMAC_DC_NAE 0x00000080
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#define BGMAC_DC_TF 0x00000100
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#define BGMAC_DC_RDS_MASK 0x00030000
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#define BGMAC_DC_RDS_SHIFT 16
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#define BGMAC_DC_TDS_MASK 0x000c0000
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#define BGMAC_DC_TDS_SHIFT 18
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#define BGMAC_DEV_STATUS 0x004 /* Configuration of the interface */
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#define BGMAC_DS_RBF 0x00000001
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#define BGMAC_DS_RDF 0x00000002
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#define BGMAC_DS_RIF 0x00000004
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#define BGMAC_DS_TBF 0x00000008
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#define BGMAC_DS_TDF 0x00000010
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#define BGMAC_DS_TIF 0x00000020
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#define BGMAC_DS_PO 0x00000040
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#define BGMAC_DS_MM_MASK 0x00000300 /* Mode of the interface */
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#define BGMAC_DS_MM_SHIFT 8
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#define BGMAC_BIST_STATUS 0x00c
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#define BGMAC_INT_STATUS 0x020 /* Interrupt status */
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#define BGMAC_IS_MRO 0x00000001
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#define BGMAC_IS_MTO 0x00000002
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#define BGMAC_IS_TFD 0x00000004
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#define BGMAC_IS_LS 0x00000008
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#define BGMAC_IS_MDIO 0x00000010
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#define BGMAC_IS_MR 0x00000020
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#define BGMAC_IS_MT 0x00000040
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#define BGMAC_IS_TO 0x00000080
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#define BGMAC_IS_DESC_ERR 0x00000400 /* Descriptor error */
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#define BGMAC_IS_DATA_ERR 0x00000800 /* Data error */
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#define BGMAC_IS_DESC_PROT_ERR 0x00001000 /* Descriptor protocol error */
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#define BGMAC_IS_RX_DESC_UNDERF 0x00002000 /* Receive descriptor underflow */
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#define BGMAC_IS_RX_F_OVERF 0x00004000 /* Receive FIFO overflow */
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#define BGMAC_IS_TX_F_UNDERF 0x00008000 /* Transmit FIFO underflow */
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#define BGMAC_IS_RX 0x00010000 /* Interrupt for RX queue 0 */
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#define BGMAC_IS_TX0 0x01000000 /* Interrupt for TX queue 0 */
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#define BGMAC_IS_TX1 0x02000000 /* Interrupt for TX queue 1 */
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#define BGMAC_IS_TX2 0x04000000 /* Interrupt for TX queue 2 */
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#define BGMAC_IS_TX3 0x08000000 /* Interrupt for TX queue 3 */
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#define BGMAC_IS_TX_MASK 0x0f000000
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#define BGMAC_IS_INTMASK 0x0f01fcff
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#define BGMAC_IS_ERRMASK 0x0000fc00
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#define BGMAC_INT_MASK 0x024 /* Interrupt mask */
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#define BGMAC_GP_TIMER 0x028
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#define BGMAC_INT_RECV_LAZY 0x100
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#define BGMAC_IRL_TO_MASK 0x00ffffff
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#define BGMAC_IRL_FC_MASK 0xff000000
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#define BGMAC_IRL_FC_SHIFT 24 /* Shift the number of interrupts triggered per received frame */
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#define BGMAC_FLOW_CTL_THRESH 0x104 /* Flow control thresholds */
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#define BGMAC_WRRTHRESH 0x108
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#define BGMAC_GMAC_IDLE_CNT_THRESH 0x10c
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#define BGMAC_PHY_ACCESS 0x180 /* PHY access address */
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#define BGMAC_PA_DATA_MASK 0x0000ffff
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#define BGMAC_PA_ADDR_MASK 0x001f0000
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#define BGMAC_PA_ADDR_SHIFT 16
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#define BGMAC_PA_REG_MASK 0x1f000000
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#define BGMAC_PA_REG_SHIFT 24
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#define BGMAC_PA_WRITE 0x20000000
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#define BGMAC_PA_START 0x40000000
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#define BGMAC_PHY_CNTL 0x188 /* PHY control address */
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#define BGMAC_PC_EPA_MASK 0x0000001f
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#define BGMAC_PC_MCT_MASK 0x007f0000
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#define BGMAC_PC_MCT_SHIFT 16
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#define BGMAC_PC_MTE 0x00800000
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#define BGMAC_TXQ_CTL 0x18c
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#define BGMAC_TXQ_CTL_DBT_MASK 0x00000fff
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#define BGMAC_TXQ_CTL_DBT_SHIFT 0
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#define BGMAC_RXQ_CTL 0x190
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#define BGMAC_RXQ_CTL_DBT_MASK 0x00000fff
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#define BGMAC_RXQ_CTL_DBT_SHIFT 0
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#define BGMAC_RXQ_CTL_PTE 0x00001000
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#define BGMAC_RXQ_CTL_MDP_MASK 0x3f000000
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#define BGMAC_RXQ_CTL_MDP_SHIFT 24
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#define BGMAC_GPIO_SELECT 0x194
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#define BGMAC_GPIO_OUTPUT_EN 0x198
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/* For 0x1e0 see BCMA_CLKCTLST. Below are BGMAC specific bits */
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#define BGMAC_BCMA_CLKCTLST_MISC_PLL_REQ 0x00000100
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#define BGMAC_BCMA_CLKCTLST_MISC_PLL_ST 0x01000000
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#define BGMAC_HW_WAR 0x1e4
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#define BGMAC_PWR_CTL 0x1e8
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#define BGMAC_DMA_BASE0 0x200 /* Tx and Rx controller */
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#define BGMAC_DMA_BASE1 0x240 /* Tx controller only */
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#define BGMAC_DMA_BASE2 0x280 /* Tx controller only */
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#define BGMAC_DMA_BASE3 0x2C0 /* Tx controller only */
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#define BGMAC_TX_GOOD_OCTETS 0x300
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#define BGMAC_TX_GOOD_OCTETS_HIGH 0x304
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#define BGMAC_TX_GOOD_PKTS 0x308
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#define BGMAC_TX_OCTETS 0x30c
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#define BGMAC_TX_OCTETS_HIGH 0x310
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#define BGMAC_TX_PKTS 0x314
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#define BGMAC_TX_BROADCAST_PKTS 0x318
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#define BGMAC_TX_MULTICAST_PKTS 0x31c
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#define BGMAC_TX_LEN_64 0x320
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#define BGMAC_TX_LEN_65_TO_127 0x324
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#define BGMAC_TX_LEN_128_TO_255 0x328
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#define BGMAC_TX_LEN_256_TO_511 0x32c
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#define BGMAC_TX_LEN_512_TO_1023 0x330
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#define BGMAC_TX_LEN_1024_TO_1522 0x334
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#define BGMAC_TX_LEN_1523_TO_2047 0x338
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#define BGMAC_TX_LEN_2048_TO_4095 0x33c
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#define BGMAC_TX_LEN_4096_TO_8191 0x340
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#define BGMAC_TX_LEN_8192_TO_MAX 0x344
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#define BGMAC_TX_JABBER_PKTS 0x348 /* Error */
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#define BGMAC_TX_OVERSIZE_PKTS 0x34c /* Error */
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#define BGMAC_TX_FRAGMENT_PKTS 0x350
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#define BGMAC_TX_UNDERRUNS 0x354 /* Error */
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#define BGMAC_TX_TOTAL_COLS 0x358
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#define BGMAC_TX_SINGLE_COLS 0x35c
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#define BGMAC_TX_MULTIPLE_COLS 0x360
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#define BGMAC_TX_EXCESSIVE_COLS 0x364 /* Error */
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#define BGMAC_TX_LATE_COLS 0x368 /* Error */
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#define BGMAC_TX_DEFERED 0x36c
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#define BGMAC_TX_CARRIER_LOST 0x370
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#define BGMAC_TX_PAUSE_PKTS 0x374
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#define BGMAC_TX_UNI_PKTS 0x378
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#define BGMAC_TX_Q0_PKTS 0x37c
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#define BGMAC_TX_Q0_OCTETS 0x380
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#define BGMAC_TX_Q0_OCTETS_HIGH 0x384
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#define BGMAC_TX_Q1_PKTS 0x388
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#define BGMAC_TX_Q1_OCTETS 0x38c
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#define BGMAC_TX_Q1_OCTETS_HIGH 0x390
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#define BGMAC_TX_Q2_PKTS 0x394
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#define BGMAC_TX_Q2_OCTETS 0x398
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#define BGMAC_TX_Q2_OCTETS_HIGH 0x39c
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#define BGMAC_TX_Q3_PKTS 0x3a0
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#define BGMAC_TX_Q3_OCTETS 0x3a4
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#define BGMAC_TX_Q3_OCTETS_HIGH 0x3a8
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#define BGMAC_RX_GOOD_OCTETS 0x3b0
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#define BGMAC_RX_GOOD_OCTETS_HIGH 0x3b4
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#define BGMAC_RX_GOOD_PKTS 0x3b8
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#define BGMAC_RX_OCTETS 0x3bc
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#define BGMAC_RX_OCTETS_HIGH 0x3c0
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#define BGMAC_RX_PKTS 0x3c4
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#define BGMAC_RX_BROADCAST_PKTS 0x3c8
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#define BGMAC_RX_MULTICAST_PKTS 0x3cc
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#define BGMAC_RX_LEN_64 0x3d0
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#define BGMAC_RX_LEN_65_TO_127 0x3d4
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#define BGMAC_RX_LEN_128_TO_255 0x3d8
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#define BGMAC_RX_LEN_256_TO_511 0x3dc
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#define BGMAC_RX_LEN_512_TO_1023 0x3e0
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#define BGMAC_RX_LEN_1024_TO_1522 0x3e4
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#define BGMAC_RX_LEN_1523_TO_2047 0x3e8
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#define BGMAC_RX_LEN_2048_TO_4095 0x3ec
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#define BGMAC_RX_LEN_4096_TO_8191 0x3f0
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#define BGMAC_RX_LEN_8192_TO_MAX 0x3f4
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#define BGMAC_RX_JABBER_PKTS 0x3f8 /* Error */
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#define BGMAC_RX_OVERSIZE_PKTS 0x3fc /* Error */
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#define BGMAC_RX_FRAGMENT_PKTS 0x400
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#define BGMAC_RX_MISSED_PKTS 0x404 /* Error */
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#define BGMAC_RX_CRC_ALIGN_ERRS 0x408 /* Error */
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#define BGMAC_RX_UNDERSIZE 0x40c /* Error */
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#define BGMAC_RX_CRC_ERRS 0x410 /* Error */
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#define BGMAC_RX_ALIGN_ERRS 0x414 /* Error */
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#define BGMAC_RX_SYMBOL_ERRS 0x418 /* Error */
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#define BGMAC_RX_PAUSE_PKTS 0x41c
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#define BGMAC_RX_NONPAUSE_PKTS 0x420
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#define BGMAC_RX_SACHANGES 0x424
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#define BGMAC_RX_UNI_PKTS 0x428
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#define BGMAC_UNIMAC 0x800
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/* BCMA GMAC core specific IO Control (BCMA_IOCTL) flags */
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#define BGMAC_BCMA_IOCTL_SW_CLKEN 0x00000004 /* PHY Clock Enable */
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#define BGMAC_BCMA_IOCTL_SW_RESET 0x00000008 /* PHY Reset */
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/* The IOCTL values appear to be different in NS, NSP, and NS2, and do not match
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* the values directly above
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*/
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#define BGMAC_CLK_EN BIT(0)
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#define BGMAC_RESERVED_0 BIT(1)
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#define BGMAC_SOURCE_SYNC_MODE_EN BIT(2)
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#define BGMAC_DEST_SYNC_MODE_EN BIT(3)
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#define BGMAC_TX_CLK_OUT_INVERT_EN BIT(4)
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#define BGMAC_DIRECT_GMII_MODE BIT(5)
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#define BGMAC_CLK_250_SEL BIT(6)
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#define BGMAC_AWCACHE (0xf << 7)
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#define BGMAC_RESERVED_1 (0x1f << 11)
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#define BGMAC_ARCACHE (0xf << 16)
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#define BGMAC_AWUSER (0x3f << 20)
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#define BGMAC_ARUSER (0x3f << 26)
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#define BGMAC_RESERVED BIT(31)
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/* BCMA GMAC core specific IO status (BCMA_IOST) flags */
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#define BGMAC_BCMA_IOST_ATTACHED 0x00000800
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#define BGMAC_NUM_MIB_TX_REGS \
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(((BGMAC_TX_Q3_OCTETS_HIGH - BGMAC_TX_GOOD_OCTETS) / 4) + 1)
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#define BGMAC_NUM_MIB_RX_REGS \
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(((BGMAC_RX_UNI_PKTS - BGMAC_RX_GOOD_OCTETS) / 4) + 1)
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#define BGMAC_DMA_TX_CTL 0x00
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#define BGMAC_DMA_TX_ENABLE 0x00000001
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#define BGMAC_DMA_TX_SUSPEND 0x00000002
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#define BGMAC_DMA_TX_LOOPBACK 0x00000004
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#define BGMAC_DMA_TX_FLUSH 0x00000010
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#define BGMAC_DMA_TX_MR_MASK 0x000000C0 /* Multiple outstanding reads */
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#define BGMAC_DMA_TX_MR_SHIFT 6
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#define BGMAC_DMA_TX_MR_1 0
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#define BGMAC_DMA_TX_MR_2 1
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#define BGMAC_DMA_TX_PARITY_DISABLE 0x00000800
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#define BGMAC_DMA_TX_ADDREXT_MASK 0x00030000
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#define BGMAC_DMA_TX_ADDREXT_SHIFT 16
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#define BGMAC_DMA_TX_BL_MASK 0x001C0000 /* BurstLen bits */
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#define BGMAC_DMA_TX_BL_SHIFT 18
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#define BGMAC_DMA_TX_BL_16 0
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#define BGMAC_DMA_TX_BL_32 1
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#define BGMAC_DMA_TX_BL_64 2
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#define BGMAC_DMA_TX_BL_128 3
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#define BGMAC_DMA_TX_BL_256 4
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#define BGMAC_DMA_TX_BL_512 5
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#define BGMAC_DMA_TX_BL_1024 6
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#define BGMAC_DMA_TX_PC_MASK 0x00E00000 /* Prefetch control */
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#define BGMAC_DMA_TX_PC_SHIFT 21
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#define BGMAC_DMA_TX_PC_0 0
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#define BGMAC_DMA_TX_PC_4 1
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#define BGMAC_DMA_TX_PC_8 2
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#define BGMAC_DMA_TX_PC_16 3
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#define BGMAC_DMA_TX_PT_MASK 0x03000000 /* Prefetch threshold */
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#define BGMAC_DMA_TX_PT_SHIFT 24
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#define BGMAC_DMA_TX_PT_1 0
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#define BGMAC_DMA_TX_PT_2 1
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#define BGMAC_DMA_TX_PT_4 2
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#define BGMAC_DMA_TX_PT_8 3
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#define BGMAC_DMA_TX_INDEX 0x04
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#define BGMAC_DMA_TX_RINGLO 0x08
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#define BGMAC_DMA_TX_RINGHI 0x0C
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#define BGMAC_DMA_TX_STATUS 0x10
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#define BGMAC_DMA_TX_STATDPTR 0x00001FFF
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#define BGMAC_DMA_TX_STAT 0xF0000000
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#define BGMAC_DMA_TX_STAT_DISABLED 0x00000000
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#define BGMAC_DMA_TX_STAT_ACTIVE 0x10000000
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#define BGMAC_DMA_TX_STAT_IDLEWAIT 0x20000000
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#define BGMAC_DMA_TX_STAT_STOPPED 0x30000000
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#define BGMAC_DMA_TX_STAT_SUSP 0x40000000
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#define BGMAC_DMA_TX_ERROR 0x14
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#define BGMAC_DMA_TX_ERRDPTR 0x0001FFFF
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#define BGMAC_DMA_TX_ERR 0xF0000000
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#define BGMAC_DMA_TX_ERR_NOERR 0x00000000
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#define BGMAC_DMA_TX_ERR_PROT 0x10000000
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#define BGMAC_DMA_TX_ERR_UNDERRUN 0x20000000
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#define BGMAC_DMA_TX_ERR_TRANSFER 0x30000000
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#define BGMAC_DMA_TX_ERR_DESCREAD 0x40000000
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#define BGMAC_DMA_TX_ERR_CORE 0x50000000
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#define BGMAC_DMA_RX_CTL 0x20
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#define BGMAC_DMA_RX_ENABLE 0x00000001
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#define BGMAC_DMA_RX_FRAME_OFFSET_MASK 0x000000FE
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#define BGMAC_DMA_RX_FRAME_OFFSET_SHIFT 1
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#define BGMAC_DMA_RX_DIRECT_FIFO 0x00000100
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#define BGMAC_DMA_RX_OVERFLOW_CONT 0x00000400
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#define BGMAC_DMA_RX_PARITY_DISABLE 0x00000800
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#define BGMAC_DMA_RX_MR_MASK 0x000000C0 /* Multiple outstanding reads */
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#define BGMAC_DMA_RX_MR_SHIFT 6
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#define BGMAC_DMA_TX_MR_1 0
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#define BGMAC_DMA_TX_MR_2 1
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#define BGMAC_DMA_RX_ADDREXT_MASK 0x00030000
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#define BGMAC_DMA_RX_ADDREXT_SHIFT 16
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#define BGMAC_DMA_RX_BL_MASK 0x001C0000 /* BurstLen bits */
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||
|
|
#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 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;
|
||
|
|
|
||
|
|
bool in_init;
|
||
|
|
|
||
|
|
/* 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_umac_read(struct bgmac *bgmac, u16 offset)
|
||
|
|
{
|
||
|
|
return bgmac_read(bgmac, BGMAC_UNIMAC + offset);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline void bgmac_umac_write(struct bgmac *bgmac, u16 offset, u32 value)
|
||
|
|
{
|
||
|
|
bgmac_write(bgmac, BGMAC_UNIMAC + 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 void bgmac_umac_maskset(struct bgmac *bgmac, u16 offset, u32 mask, u32 set)
|
||
|
|
{
|
||
|
|
bgmac_maskset(bgmac, BGMAC_UNIMAC + offset, mask, set);
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int bgmac_phy_connect(struct bgmac *bgmac)
|
||
|
|
{
|
||
|
|
return bgmac->phy_connect(bgmac);
|
||
|
|
}
|
||
|
|
#endif /* _BGMAC_H */
|