/*-
* Copyright (c) 2008, Pyun YongHyeon <yongari@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: src/sys/dev/jme/if_jmereg.h,v 1.3 2008/09/22 06:17:21 yongari Exp $
*/
#ifndef _IF_JMEREG_H
#define _IF_JMEREG_H
/*
* JMC250 PCI revisions
*/
#define DEVICEREVID_JMC250_A0 0x00
#define DEVICEREVID_JMC250_A2 0x11
/*
* JMC260 PCI revisions
*/
#define DEVICEREVID_JMC260_A0 0x00
/* JMC250 PCI configuration register. */
#define JME_PCI_BAR0 0x10 /* 16KB memory window. */
#define JME_PCI_BAR1 0x18 /* 128bytes I/O window. */
#define JME_PCI_BAR2 0x1C /* 256bytes I/O window. */
#define JME_PCI_BAR3 0x20 /* 64KB memory window. */
#define JME_PCI_EROM 0x30
#define JME_PCI_DBG 0x9C
#define JME_PCI_SPI 0xB0
#define SPI_ENB 0x00000010
#define SPI_SO_STATUS 0x00000008
#define SPI_SI_CTRL 0x00000004
#define SPI_SCK_CTRL 0x00000002
#define SPI_CS_N_CTRL 0x00000001
#define JME_PCI_PHYCFG0 0xC0
#define JME_PCI_PHYCFG1 0xC4
#define JME_PCI_PHYCFG2 0xC8
#define JME_PCI_PHYCFG3 0xCC
#define JME_PCI_PIPECTL1 0xD0
#define JME_PCI_PIPECTL2 0xD4
/* PCIe link error/status. */
#define JME_PCI_LES 0xD8
/* propeietary register 0. */
#define JME_PCI_PE0 0xE0
#define PE0_SPI_EXIST 0x00200000
#define PE0_PME_D0 0x00100000
#define PE0_PME_D3H 0x00080000
#define PE0_PME_SPI_PAD 0x00040000
#define PE0_MASK_ASPM 0x00020000
#define PE0_EEPROM_RW_DIS 0x00008000
#define PE0_PCI_INTA 0x00001000
#define PE0_PCI_INTB 0x00002000
#define PE0_PCI_INTC 0x00003000
#define PE0_PCI_INTD 0x00004000
#define PE0_PCI_SVSSID_WR_ENB 0x00000800
#define PE0_MSIX_SIZE_8 0x00000700
#define PE0_MSIX_SIZE_7 0x00000600
#define PE0_MSIX_SIZE_6 0x00000500
#define PE0_MSIX_SIZE_5 0x00000400
#define PE0_MSIX_SIZE_4 0x00000300
#define PE0_MSIX_SIZE_3 0x00000200
#define PE0_MSIX_SIZE_2 0x00000100
#define PE0_MSIX_SIZE_1 0x00000000
#define PE0_MSIX_SIZE_DEF 0x00000700
#define PE0_MSIX_CAP_DIS 0x00000080
#define PE0_MSI_PVMC_ENB 0x00000040
#define PE0_LCAP_EXIT_LAT_MASK 0x00000038
#define PE0_LCAP_EXIT_LAT_DEF 0x00000038
#define PE0_PM_AUXC_MASK 0x00000007
#define PE0_PM_AUXC_DEF 0x00000007
#define JME_PCI_PE1 0xE4
#define JME_PCI_PHYTEST 0xF8
#define JME_PCI_GPR 0xFC
/*
* JMC Register Map.
* -----------------------------------------------------------------------
* Register Size IO space Memory space
* -----------------------------------------------------------------------
* Tx/Rx MAC registers 128 bytes BAR1 + 0x00 ~ BAR0 + 0x00 ~
* BAR1 + 0x7F BAR0 + 0x7F
* -----------------------------------------------------------------------
* PHY registers 128 bytes BAR2 + 0x00 ~ BAR0 + 0x400 ~
* BAR2 + 0x7F BAR0 + 0x47F
* -----------------------------------------------------------------------
* Misc registers 128 bytes BAR2 + 0x80 ~ BAR0 + 0x800 ~
* BAR2 + 0xfF BAR0 + 0x87F
* -----------------------------------------------------------------------
* We use bus_space_subregion() to get handle for the 3 different
* register space. Register address are relative to the base of each
* region.
*/
/* Tx control and status. */
#define JME_TXCSR 0x0000
#define TXCSR_QWEIGHT_MASK 0x0F000000
#define TXCSR_QWEIGHT_SHIFT 24
#define TXCSR_TXQ_SEL_MASK 0x00070000
#define TXCSR_TXQ_SEL_SHIFT 16
#define TXCSR_TXQ_START 0x00000001
#define TXCSR_TXQ_START_SHIFT 8
#define TXCSR_FIFO_THRESH_4QW 0x00000000
#define TXCSR_FIFO_THRESH_8QW 0x00000040
#define TXCSR_FIFO_THRESH_12QW 0x00000080
#define TXCSR_FIFO_THRESH_16QW 0x000000C0
#define TXCSR_DMA_SIZE_64 0x00000000
#define TXCSR_DMA_SIZE_128 0x00000010
#define TXCSR_DMA_SIZE_256 0x00000020
#define TXCSR_DMA_SIZE_512 0x00000030
#define TXCSR_DMA_BURST 0x00000004
#define TXCSR_TX_SUSPEND 0x00000002
#define TXCSR_TX_ENB 0x00000001
#define TXCSR_TXQ0 0
#define TXCSR_TXQ1 1
#define TXCSR_TXQ2 2
#define TXCSR_TXQ3 3
#define TXCSR_TXQ4 4
#define TXCSR_TXQ5 5
#define TXCSR_TXQ6 6
#define TXCSR_TXQ7 7
#define TXCSR_TXQ_WEIGHT(x) \
(((x) << TXCSR_QWEIGHT_SHIFT) & TXCSR_QWEIGHT_MASK)
#define TXCSR_TXQ_WEIGHT_MIN 0
#define TXCSR_TXQ_WEIGHT_MAX 15
#define TXCSR_TXQ_N_SEL(x) \
(((x) << TXCSR_TXQ_SEL_SHIFT) & TXCSR_TXQ_SEL_MASK)
#define TXCSR_TXQ_N_START(x) \
(TXCSR_TXQ_START << (TXCSR_TXQ_START_SHIFT + (x)))
/* Tx queue descriptor base address. 16bytes alignment required. */
#define JME_TXDBA_LO 0x0004
#define JME_TXDBA_HI 0x0008
/* Tx queue descriptor count. multiple of 16(max = 1024). */
#define JME_TXQDC 0x000C
#define TXQDC_MASK 0x0000007F0
/* Tx queue next descriptor address. */
#define JME_TXNDA 0x0010
#define TXNDA_ADDR_MASK 0xFFFFFFF0
#define TXNDA_DESC_EMPTY 0x00000008
#define TXNDA_DESC_VALID 0x00000004
#define TXNDA_DESC_WAIT 0x00000002
#define TXNDA_DESC_FETCH 0x00000001
/* Tx MAC control ans status. */
#define JME_TXMAC 0x0014
#define TXMAC_IFG2_MASK 0xC0000000
#define TXMAC_IFG2_DEFAULT 0x40000000
#define TXMAC_IFG1_MASK 0x30000000
#define TXMAC_IFG1_DEFAULT 0x20000000
#define TXMAC_THRESH_1_PKT 0x00000300
#define TXMAC_THRESH_1_2_PKT 0x00000200
#define TXMAC_THRESH_1_4_PKT 0x00000100
#define TXMAC_THRESH_1_8_PKT 0x00000000
#define TXMAC_FRAME_BURST 0x00000080
#define TXMAC_CARRIER_EXT 0x00000040
#define TXMAC_IFG_ENB 0x00000020
#define TXMAC_BACKOFF 0x00000010
#define TXMAC_CARRIER_SENSE 0x00000008
#define TXMAC_COLL_ENB 0x00000004
#define TXMAC_CRC_ENB 0x00000002
#define TXMAC_PAD_ENB 0x00000001
/* Tx pause frame control. */
#define JME_TXPFC 0x0018
#define TXPFC_VLAN_TAG_MASK 0xFFFF0000
#define TXPFC_VLAN_TAG_SHIFT 16
#define TXPFC_VLAN_ENB 0x00008000
#define TXPFC_PAUSE_ENB 0x00000001
/* Tx timer/retry at half duplex. */
#define JME_TXTRHD 0x001C
#define TXTRHD_RT_PERIOD_ENB 0x80000000
#define TXTRHD_RT_PERIOD_MASK 0x7FFFFF00
#define TXTRHD_RT_PERIOD_SHIFT 8
#define TXTRHD_RT_LIMIT_ENB 0x00000080
#define TXTRHD_RT_LIMIT_MASK 0x0000007F
#define TXTRHD_RT_LIMIT_SHIFT 0
#define TXTRHD_RT_PERIOD_DEFAULT 8192
#define TXTRHD_RT_LIMIT_DEFAULT 8
/* Rx control & status. */
#define JME_RXCSR 0x0020
#define RXCSR_FIFO_FTHRESH_16T 0x00000000
#define RXCSR_FIFO_FTHRESH_32T 0x10000000
#define RXCSR_FIFO_FTHRESH_64T 0x20000000
#define RXCSR_FIFO_FTHRESH_128T 0x30000000
#define RXCSR_FIFO_FTHRESH_MASK 0x30000000
#define RXCSR_FIFO_THRESH_16QW 0x00000000
#define RXCSR_FIFO_THRESH_32QW 0x04000000
#define RXCSR_FIFO_THRESH_64QW 0x08000000
#define RXCSR_FIFO_THRESH_128QW 0x0C000000
#define RXCSR_FIFO_THRESH_MASK 0x0C000000
#define RXCSR_DMA_SIZE_16 0x00000000
#define RXCSR_DMA_SIZE_32 0x01000000
#define RXCSR_DMA_SIZE_64 0x02000000
#define RXCSR_DMA_SIZE_128 0x03000000
#define RXCSR_RXQ_SEL_MASK 0x00030000
#define RXCSR_RXQ_SEL_SHIFT 16
#define RXCSR_DESC_RT_GAP_MASK 0x0000F000
#define RXCSR_DESC_RT_GAP_SHIFT 12
#define RXCSR_DESC_RT_GAP_256 0x00000000
#define RXCSR_DESC_RT_GAP_512 0x00001000
#define RXCSR_DESC_RT_GAP_1024 0x00002000
#define RXCSR_DESC_RT_GAP_2048 0x00003000
#define RXCSR_DESC_RT_GAP_4096 0x00004000
#define RXCSR_DESC_RT_GAP_8192 0x00005000
#define RXCSR_DESC_RT_GAP_16384 0x00006000
#define RXCSR_DESC_RT_GAP_32768 0x00007000
#define RXCSR_DESC_RT_CNT_MASK 0x00000F00
#define RXCSR_DESC_RT_CNT_SHIFT 8
#define RXCSR_PASS_WAKEUP_PKT 0x00000040
#define RXCSR_PASS_MAGIC_PKT 0x00000020
#define RXCSR_PASS_RUNT_PKT 0x00000010
#define RXCSR_PASS_BAD_PKT 0x00000008
#define RXCSR_RXQ_START 0x00000004
#define RXCSR_RX_SUSPEND 0x00000002
#define RXCSR_RX_ENB 0x00000001
#define RXCSR_RXQ_N_SEL(x) ((x) << RXCSR_RXQ_SEL_SHIFT)
#define RXCSR_RXQ0 0
#define RXCSR_RXQ1 1
#define RXCSR_RXQ2 2
#define RXCSR_RXQ3 3
#define RXCSR_DESC_RT_CNT(x) \
((((x) / 4) << RXCSR_DESC_RT_CNT_SHIFT) & RXCSR_DESC_RT_CNT_MASK)
#define RXCSR_DESC_RT_CNT_DEFAULT 32
/* Rx queue descriptor base address. 16bytes alignment needed. */
#define JME_RXDBA_LO 0x0024
#define JME_RXDBA_HI 0x0028
/* Rx queue descriptor count. multiple of 16(max = 1024). */
#define JME_RXQDC 0x002C
#define RXQDC_MASK 0x0000007F0
/* Rx queue next descriptor address. */
#define JME_RXNDA 0x0030
#define RXNDA_ADDR_MASK 0xFFFFFFF0
#define RXNDA_DESC_EMPTY 0x00000008
#define RXNDA_DESC_VALID 0x00000004
#define RXNDA_DESC_WAIT 0x00000002
#define RXNDA_DESC_FETCH 0x00000001
/* Rx MAC control and status. */
#define JME_RXMAC 0x0034
#define RXMAC_RSS_UNICAST 0x00000000
#define RXMAC_RSS_UNI_MULTICAST 0x00010000
#define RXMAC_RSS_UNI_MULTI_BROADCAST 0x00020000
#define RXMAC_RSS_ALLFRAME 0x00030000
#define RXMAC_PROMISC 0x00000800
#define RXMAC_BROADCAST 0x00000400
#define RXMAC_MULTICAST 0x00000200
#define RXMAC_UNICAST 0x00000100
#define RXMAC_ALLMULTI 0x00000080
#define RXMAC_MULTICAST_FILTER 0x00000040
#define RXMAC_COLL_DET_ENB 0x00000020
#define RXMAC_FC_ENB 0x00000008
#define RXMAC_VLAN_ENB 0x00000004
#define RXMAC_PAD_10BYTES 0x00000002
#define RXMAC_CSUM_ENB 0x00000001
/* Rx unicast MAC address. */
#define JME_PAR0 0x0038
#define JME_PAR1 0x003C
/* Rx multicast address hash table. */
#define JME_MAR0 0x0040
#define JME_MAR1 0x0044
/* Wakeup frame output data port. */
#define JME_WFODP 0x0048
/* Wakeup frame output interface. */
#define JME_WFOI 0x004C
#define WFOI_MASK_0_31 0x00000000
#define WFOI_MASK_31_63 0x00000010
#define WFOI_MASK_64_95 0x00000020
#define WFOI_MASK_96_127 0x00000030
#define WFOI_MASK_SEL 0x00000008
#define WFOI_CRC_SEL 0x00000000
#define WFOI_WAKEUP_FRAME_MASK 0x00000007
#define WFOI_WAKEUP_FRAME_SEL(x) ((x) & WFOI_WAKEUP_FRAME_MASK)
/* Station management interface. */
#define JME_SMI 0x0050
#define SMI_DATA_MASK 0xFFFF0000
#define SMI_DATA_SHIFT 16
#define SMI_REG_ADDR_MASK 0x0000F800
#define SMI_REG_ADDR_SHIFT 11
#define SMI_PHY_ADDR_MASK 0x000007C0
#define SMI_PHY_ADDR_SHIFT 6
#define SMI_OP_WRITE 0x00000020
#define SMI_OP_READ 0x00000000
#define SMI_OP_EXECUTE 0x00000010
#define SMI_MDIO 0x00000008
#define SMI_MDOE 0x00000004
#define SMI_MDC 0x00000002
#define SMI_MDEN 0x00000001
#define SMI_REG_ADDR(x) \
(((x) << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK)
#define SMI_PHY_ADDR(x) \
(((x) << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK)
/* Global host control. */
#define JME_GHC 0x0054
#define GHC_LOOPBACK 0x80000000
#define GHC_RESET 0x40000000
#define GHC_CLKSRC_10_100 0x00a00000
#define GHC_CLKSRC_1000 0x00500000
#define GHC_CLKSRC_MASK 0x00f00000
#define GHC_FULL_DUPLEX 0x00000040
#define GHC_SPEED_UNKNOWN 0x00000000
#define GHC_SPEED_10 0x00000010
#define GHC_SPEED_100 0x00000020
#define GHC_SPEED_1000 0x00000030
#define GHC_SPEED_MASK 0x00000030
#define GHC_LINK_OFF 0x00000004
#define GHC_LINK_ON 0x00000002
#define GHC_LINK_STAT_POLLING 0x00000001
/* Power management control and status. */
#define JME_PMCS 0x0060
#define PMCS_WAKEUP_FRAME_7 0x80000000
#define PMCS_WAKEUP_FRAME_6 0x40000000
#define PMCS_WAKEUP_FRAME_5 0x20000000
#define PMCS_WAKEUP_FRAME_4 0x10000000
#define PMCS_WAKEUP_FRAME_3 0x08000000
#define PMCS_WAKEUP_FRAME_2 0x04000000
#define PMCS_WAKEUP_FRAME_1 0x02000000
#define PMCS_WAKEUP_FRAME_0 0x01000000
#define PMCS_LINK_FAIL 0x00040000
#define PMCS_LINK_RISING 0x00020000
#define PMCS_MAGIC_FRAME 0x00010000
#define PMCS_WAKEUP_FRAME_7_ENB 0x00008000
#define PMCS_WAKEUP_FRAME_6_ENB 0x00004000
#define PMCS_WAKEUP_FRAME_5_ENB 0x00002000
#define PMCS_WAKEUP_FRAME_4_ENB 0x00001000
#define PMCS_WAKEUP_FRAME_3_ENB 0x00000800
#define PMCS_WAKEUP_FRAME_2_ENB 0x00000400
#define PMCS_WAKEUP_FRAME_1_ENB 0x00000200
#define PMCS_WAKEUP_FRAME_0_ENB 0x00000100
#define PMCS_LINK_FAIL_ENB 0x00000004
#define PMCS_LINK_RISING_ENB 0x00000002
#define PMCS_MAGIC_FRAME_ENB 0x00000001
#define PMCS_WOL_ENB_MASK 0x0000FFFF
#define JME_PHY_EEPROM_BASE_MEMOFF 0x0400
#define JME_PHY_EEPROM_BASE_IOOFF 0x0000
#define JME_PHY_EEPROM_SIZE 0x0080
/* Giga PHY & EEPROM registers. */
#define JME_PHY_EEPROM_BASE_ADDR 0x00
#define JME_GIGAR0LO 0x00
#define JME_GIGAR0HI 0x04
#define JME_GIGARALO 0x08
#define JME_GIGARAHI 0x0C
#define JME_GIGARBLO 0x10
#define JME_GIGARBHI 0x14
#define JME_GIGARCLO 0x18
#define JME_GIGARCHI 0x1C
#define JME_GIGARDLO 0x20
#define JME_GIGARDHI 0x24
/* BIST status and control. */
#define JME_GIGACSR 0x28
#define GIGACSR_STATUS 0x40000000
#define GIGACSR_CTRL_MASK 0x30000000
#define GIGACSR_CTRL_DEFAULT 0x30000000
#define GIGACSR_TX_CLK_MASK 0x0F000000
#define GIGACSR_RX_CLK_MASK 0x00F00000
#define GIGACSR_TX_CLK_INV 0x00080000
#define GIGACSR_RX_CLK_INV 0x00040000
#define GIGACSR_PHY_RST 0x00010000
#define GIGACSR_IRQ_N_O 0x00001000
#define GIGACSR_BIST_OK 0x00000200
#define GIGACSR_BIST_DONE 0x00000100
#define GIGACSR_BIST_LED_ENB 0x00000010
#define GIGACSR_BIST_MASK 0x00000003
/* PHY Link Status. */
#define JME_LNKSTS 0x30
#define LINKSTS_SPEED_10 0x00000000
#define LINKSTS_SPEED_100 0x00004000
#define LINKSTS_SPEED_1000 0x00008000
#define LINKSTS_FULL_DUPLEX 0x00002000
#define LINKSTS_PAGE_RCVD 0x00001000
#define LINKSTS_SPDDPX_RESOLVED 0x00000800
#define LINKSTS_UP 0x00000400
#define LINKSTS_ANEG_COMP 0x00000200
#define LINKSTS_MDI_CROSSOVR 0x00000040
#define LINKSTS_LPAR_PAUSE_ASYM 0x00000002
#define LINKSTS_LPAR_PAUSE 0x00000001
/* SMB control and status. */
#define JME_SMBCSR 0x40
#define SMBCSR_SLAVE_ADDR_MASK 0x7F000000
#define SMBCSR_WR_DATA_NACK 0x00040000
#define SMBCSR_CMD_NACK 0x00020000
#define SMBCSR_RELOAD 0x00010000
#define SMBCSR_CMD_ADDR_MASK 0x0000FF00
#define SMBCSR_SCL_STAT 0x00000080
#define SMBCSR_SDA_STAT 0x00000040
#define SMBCSR_EEPROM_PRESENT 0x00000020
#define SMBCSR_INIT_LD_DONE 0x00000010
#define SMBCSR_HW_BUSY_MASK 0x0000000F
#define SMBCSR_HW_IDLE 0x00000000
/* SMB interface. */
#define JME_SMBINTF 0x44
#define SMBINTF_RD_DATA_MASK 0xFF000000
#define SMBINTF_RD_DATA_SHIFT 24
#define SMBINTF_WR_DATA_MASK 0x00FF0000
#define SMBINTF_WR_DATA_SHIFT 16
#define SMBINTF_ADDR_MASK 0x0000FF00
#define SMBINTF_ADDR_SHIFT 8
#define SMBINTF_RD 0x00000020
#define SMBINTF_WR 0x00000000
#define SMBINTF_CMD_TRIGGER 0x00000010
#define SMBINTF_BUSY 0x00000010
#define SMBINTF_FAST_MODE 0x00000008
#define SMBINTF_GPIO_SCL 0x00000004
#define SMBINTF_GPIO_SDA 0x00000002
#define SMBINTF_GPIO_ENB 0x00000001
#define JME_EEPROM_SIG0 0x55
#define JME_EEPROM_SIG1 0xAA
#define JME_EEPROM_DESC_BYTES 3
#define JME_EEPROM_DESC_END 0x80
#define JME_EEPROM_FUNC_MASK 0x70
#define JME_EEPROM_FUNC_SHIFT 4
#define JME_EEPROM_PAGE_MASK 0x0F
#define JME_EEPROM_PAGE_SHIFT 0
#define JME_EEPROM_FUNC0 0
/* PCI configuration space. */
#define JME_EEPROM_PAGE_BAR0 0
/* 128 bytes I/O window. */
#define JME_EEPROM_PAGE_BAR1 1
/* 256 bytes I/O window. */
#define JME_EEPROM_PAGE_BAR2 2
#define JME_EEPROM_END 0xFF
#define JME_EEPROM_MKDESC(f, p) \
((((f) & JME_EEPROM_FUNC_MASK) << JME_EEPROM_FUNC_SHIFT) | \
(((p) & JME_EEPROM_PAGE_MASK) << JME_EEPROM_PAGE_SHIFT))
/* 3-wire EEPROM interface. Obsolete interface, use SMBCSR. */
#define JME_EEPINTF 0x48
#define EEPINTF_DATA_MASK 0xFFFF0000
#define EEPINTF_DATA_SHIFT 16
#define EEPINTF_ADDR_MASK 0x0000FC00
#define EEPINTF_ADDR_SHIFT 10
#define EEPRINTF_OP_MASK 0x00000300
#define EEPINTF_OP_EXECUTE 0x00000080
#define EEPINTF_DATA_OUT 0x00000008
#define EEPINTF_DATA_IN 0x00000004
#define EEPINTF_CLK 0x00000002
#define EEPINTF_SEL 0x00000001
/* 3-wire EEPROM control and status. Obsolete interface, use SMBCSR. */
#define JME_EEPCSR 0x4C
#define EEPCSR_EEPROM_RELOAD 0x00000002
#define EEPCSR_EEPROM_PRESENT 0x00000001
/* Misc registers. */
#define JME_MISC_BASE_MEMOFF 0x800
#define JME_MISC_BASE_IOOFF 0x080
#define JME_MISC_SIZE 0x080
/* Timer control and status. */
#define JME_TMCSR 0x00
#define TMCSR_SW_INTR 0x80000000
#define TMCSR_TIMER_INTR 0x10000000
#define TMCSR_TIMER_ENB 0x01000000
#define TMCSR_TIMER_COUNT_MASK 0x00FFFFFF
/* GPIO control and status. */
#define JME_GPIO 0x04
#define GPIO_4_SPI_IN 0x80000000
#define GPIO_3_SPI_IN 0x40000000
#define GPIO_4_SPI_OUT 0x20000000
#define GPIO_4_SPI_OUT_ENB 0x10000000
#define GPIO_3_SPI_OUT 0x08000000
#define GPIO_3_SPI_OUT_ENB 0x04000000
#define GPIO_3_4_LED 0x00000000
#define GPIO_3_4_GPIO 0x02000000
#define GPIO_2_CLKREQN_IN 0x00100000
#define GPIO_2_CLKREQN_OUT 0x00040000
#define GPIO_2_CLKREQN_OUT_ENB 0x00020000
#define GPIO_1_LED42_IN 0x00001000
#define GPIO_1_LED42_OUT 0x00000400
#define GPIO_1_LED42_OUT_ENB 0x00000200
#define GPIO_1_LED42_ENB 0x00000100
#define GPIO_0_SDA_IN 0x00000010
#define GPIO_0_SDA_OUT 0x00000004
#define GPIO_0_SDA_OUT_ENB 0x00000002
#define GPIO_0_SDA_ENB 0x00000001
/* General purpose register 0. */
#define JME_GPREG0 0x08
#define GPREG0_SH_POST_DW7_DIS 0x80000000
#define GPREG0_SH_POST_DW6_DIS 0x40000000
#define GPREG0_SH_POST_DW5_DIS 0x20000000
#define GPREG0_SH_POST_DW4_DIS 0x10000000
#define GPREG0_SH_POST_DW3_DIS 0x08000000
#define GPREG0_SH_POST_DW2_DIS 0x04000000
#define GPREG0_SH_POST_DW1_DIS 0x02000000
#define GPREG0_SH_POST_DW0_DIS 0x01000000
#define GPREG0_DMA_RD_REQ_8 0x00000000
#define GPREG0_DMA_RD_REQ_6 0x00100000
#define GPREG0_DMA_RD_REQ_5 0x00200000
#define GPREG0_DMA_RD_REQ_4 0x00300000
#define GPREG0_POST_DW0_ENB 0x00040000
#define GPREG0_PCC_CLR_DIS 0x00020000
#define GPREG0_FORCE_SCL_OUT 0x00010000
#define GPREG0_DL_RSTB_DIS 0x00008000
#define GPREG0_STICKY_RESET 0x00004000
#define GPREG0_DL_RSTB_CFG_DIS 0x00002000
#define GPREG0_LINK_CHG_POLL 0x00001000
#define GPREG0_LINK_CHG_DIRECT 0x00000000
#define GPREG0_MSI_GEN_SEL 0x00000800
#define GPREG0_SMB_PAD_PU_DIS 0x00000400
#define GPREG0_PCC_UNIT_16US 0x00000000
#define GPREG0_PCC_UNIT_256US 0x00000100
#define GPREG0_PCC_UNIT_US 0x00000200
#define GPREG0_PCC_UNIT_MS 0x00000300
#define GPREG0_PCC_UNIT_MASK 0x00000300
#define GPREG0_INTR_EVENT_ENB 0x00000080
#define GPREG0_PME_ENB 0x00000020
#define GPREG0_PHY_ADDR_MASK 0x0000001F
#define GPREG0_PHY_ADDR_SHIFT 0
#define GPREG0_PHY_ADDR 1
/* General purpose register 1. */
#define JME_GPREG1 0x0C
#define GPREG1_RSS_IPV6_10_100 0x00000040 /* JMC250 A2 */
#define GPREG1_HDPX_FIX 0x00000020 /* JMC250 A2 */
#define GPREG1_INTDLY_UNIT_16US 0x00000018 /* JMC250 A1, A2 */
#define GPREG1_INTDLY_UNIT_1US 0x00000010 /* JMC250 A1, A2 */
#define GPREG1_INTDLY_UNIT_256NS 0x00000008 /* JMC250 A1, A2 */
#define GPREG1_INTDLY_UNIT_16NS 0x00000000 /* JMC250 A1, A2 */
#define GPREG1_INTDLY_MASK 0x00000007
/* MSIX entry number of interrupt source. */
#define JME_MSINUM_BASE 0x10
#define JME_MSINUM_END 0x1F
#define MSINUM_MASK 0x7FFFFFFF
#define MSINUM_ENTRY_MASK 7
#define MSINUM_REG_INDEX(x) ((x) / 8)
#define MSINUM_INTR_SOURCE(x, y) \
(((x) & MSINUM_ENTRY_MASK) << (((y) & 7) * 4))
#define MSINUM_NUM_INTR_SOURCE 32
/* Interrupt event status. */
#define JME_INTR_STATUS 0x20
#define INTR_SW 0x80000000
#define INTR_TIMER 0x40000000
#define INTR_LINKCHG 0x20000000
#define INTR_PAUSE 0x10000000
#define INTR_MAGIC_PKT 0x08000000
#define INTR_WAKEUP_PKT 0x04000000
#define INTR_RXQ0_COAL_TO 0x02000000
#define INTR_RXQ1_COAL_TO 0x01000000
#define INTR_RXQ2_COAL_TO 0x00800000
#define INTR_RXQ3_COAL_TO 0x00400000
#define INTR_TXQ_COAL_TO 0x00200000
#define INTR_RXQ0_COAL 0x00100000
#define INTR_RXQ1_COAL 0x00080000
#define INTR_RXQ2_COAL 0x00040000
#define INTR_RXQ3_COAL 0x00020000
#define INTR_TXQ_COAL 0x00010000
#define INTR_RXQ3_DESC_EMPTY 0x00008000
#define INTR_RXQ2_DESC_EMPTY 0x00004000
#define INTR_RXQ1_DESC_EMPTY 0x00002000
#define INTR_RXQ0_DESC_EMPTY 0x00001000
#define INTR_RXQ3_COMP 0x00000800
#define INTR_RXQ2_COMP 0x00000400
#define INTR_RXQ1_COMP 0x00000200
#define INTR_RXQ0_COMP 0x00000100
#define INTR_TXQ7_COMP 0x00000080
#define INTR_TXQ6_COMP 0x00000040
#define INTR_TXQ5_COMP 0x00000020
#define INTR_TXQ4_COMP 0x00000010
#define INTR_TXQ3_COMP 0x00000008
#define INTR_TXQ2_COMP 0x00000004
#define INTR_TXQ1_COMP 0x00000002
#define INTR_TXQ0_COMP 0x00000001
#define INTR_RXQ_COAL_TO \
(INTR_RXQ0_COAL_TO | INTR_RXQ1_COAL_TO | \
INTR_RXQ2_COAL_TO | INTR_RXQ3_COAL_TO)
#define INTR_RXQ_COAL \
(INTR_RXQ0_COAL | INTR_RXQ1_COAL | INTR_RXQ2_COAL | \
INTR_RXQ3_COAL)
#define INTR_RXQ_COMP \
(INTR_RXQ0_COMP | INTR_RXQ1_COMP | INTR_RXQ2_COMP | \
INTR_RXQ3_COMP)
#define INTR_RXQ_DESC_EMPTY \
(INTR_RXQ0_DESC_EMPTY | INTR_RXQ1_DESC_EMPTY | \
INTR_RXQ2_DESC_EMPTY | INTR_RXQ3_DESC_EMPTY)
#define INTR_RXQ_COMP \
(INTR_RXQ0_COMP | INTR_RXQ1_COMP | INTR_RXQ2_COMP | \
INTR_RXQ3_COMP)
#define INTR_TXQ_COMP \
(INTR_TXQ0_COMP | INTR_TXQ1_COMP | INTR_TXQ2_COMP | \
INTR_TXQ3_COMP | INTR_TXQ4_COMP | INTR_TXQ5_COMP | \
INTR_TXQ6_COMP | INTR_TXQ7_COMP)
#define JME_INTRS_ENABLE \
(INTR_RXQ_COAL_TO | INTR_TXQ_COAL_TO | INTR_RXQ_COAL | \
INTR_TXQ_COAL | INTR_RXQ_DESC_EMPTY)
#define JME_INTRS_CHECK (JME_INTRS_ENABLE | INTR_TXQ_COMP | INTR_RXQ_COMP)
#define N_INTR_SW 31
#define N_INTR_TIMER 30
#define N_INTR_LINKCHG 29
#define N_INTR_PAUSE 28
#define N_INTR_MAGIC_PKT 27
#define N_INTR_WAKEUP_PKT 26
#define N_INTR_RXQ0_COAL_TO 25
#define N_INTR_RXQ1_COAL_TO 24
#define N_INTR_RXQ2_COAL_TO 23
#define N_INTR_RXQ3_COAL_TO 22
#define N_INTR_TXQ_COAL_TO 21
#define N_INTR_RXQ0_COAL 20
#define N_INTR_RXQ1_COAL 19
#define N_INTR_RXQ2_COAL 18
#define N_INTR_RXQ3_COAL 17
#define N_INTR_TXQ_COAL 16
#define N_INTR_RXQ3_DESC_EMPTY 15
#define N_INTR_RXQ2_DESC_EMPTY 14
#define N_INTR_RXQ1_DESC_EMPTY 13
#define N_INTR_RXQ0_DESC_EMPTY 12
#define N_INTR_RXQ3_COMP 11
#define N_INTR_RXQ2_COMP 10
#define N_INTR_RXQ1_COMP 9
#define N_INTR_RXQ0_COMP 8
#define N_INTR_TXQ7_COMP 7
#define N_INTR_TXQ6_COMP 6
#define N_INTR_TXQ5_COMP 5
#define N_INTR_TXQ4_COMP 4
#define N_INTR_TXQ3_COMP 3
#define N_INTR_TXQ2_COMP 2
#define N_INTR_TXQ1_COMP 1
#define N_INTR_TXQ0_COMP 0
/* Interrupt request status. */
#define JME_INTR_REQ_STATUS 0x24
/* Interrupt enable - setting port. */
#define JME_INTR_MASK_SET 0x28
/* Interrupt enable - clearing port. */
#define JME_INTR_MASK_CLR 0x2C
/* Packet completion coalescing control of Rx queue 0, 1, 2 and 3. */
#define JME_PCCRX0 0x30
#define JME_PCCRX1 0x34
#define JME_PCCRX2 0x38
#define JME_PCCRX3 0x3C
#define PCCRX_COAL_TO_MASK 0xFFFF0000
#define PCCRX_COAL_TO_SHIFT 16
#define PCCRX_COAL_PKT_MASK 0x0000FF00
#define PCCRX_COAL_PKT_SHIFT 8
#define PCCRX_COAL_TO_MIN 1
#define PCCRX_COAL_TO_DEFAULT 100
#define PCCRX_COAL_TO_MAX 65535
#define PCCRX_COAL_PKT_MIN 1
#define PCCRX_COAL_PKT_DEFAULT 128
#define PCCRX_COAL_PKT_MAX 255
/* Packet completion coalescing control of Tx queue. */
#define JME_PCCTX 0x40
#define PCCTX_COAL_TO_MASK 0xFFFF0000
#define PCCTX_COAL_TO_SHIFT 16
#define PCCTX_COAL_PKT_MASK 0x0000FF00
#define PCCTX_COAL_PKT_SHIFT 8
#define PCCTX_COAL_TXQ7 0x00000080
#define PCCTX_COAL_TXQ6 0x00000040
#define PCCTX_COAL_TXQ5 0x00000020
#define PCCTX_COAL_TXQ4 0x00000010
#define PCCTX_COAL_TXQ3 0x00000008
#define PCCTX_COAL_TXQ2 0x00000004
#define PCCTX_COAL_TXQ1 0x00000002
#define PCCTX_COAL_TXQ0 0x00000001
#define PCCTX_COAL_TO_MIN 1
#define PCCTX_COAL_TO_DEFAULT 100
#define PCCTX_COAL_TO_MAX 65535
#define PCCTX_COAL_PKT_MIN 1
#define PCCTX_COAL_PKT_DEFAULT 128
#define PCCTX_COAL_PKT_MAX 255
/* Chip mode and FPGA version. */
#define JME_CHIPMODE 0x44
#define CHIPMODE_FPGA_REV_MASK 0xFFFF0000
#define CHIPMODE_FPGA_REV_SHIFT 16
#define CHIPMODE_NOT_FPGA 0
#define CHIPMODE_REV_MASK 0x0000FF00
#define CHIPMODE_REV_SHIFT 8
#define CHIPMODE_MODE_48P 0x0000000C
#define CHIPMODE_MODE_64P 0x00000004
#define CHIPMODE_MODE_128P_MAC 0x00000003
#define CHIPMODE_MODE_128P_DBG 0x00000002
#define CHIPMODE_MODE_128P_PHY 0x00000000
/* Shadow status base address high/low. */
#define JME_SHBASE_ADDR_HI 0x48
#define JME_SHBASE_ADDR_LO 0x4C
#define SHBASE_ADDR_LO_MASK 0xFFFFFFE0
#define SHBASE_POST_FORCE 0x00000002
#define SHBASE_POST_ENB 0x00000001
/* Timer 1 and 2. */
#define JME_TIMER1 0x70
#define JME_TIMER2 0x74
#define TIMER_ENB 0x01000000
#define TIMER_CNT_MASK 0x00FFFFFF
#define TIMER_CNT_SHIFT 0
#define TIMER_UNIT 1024 /* 1024us */
/* Aggresive power mode control. */
#define JME_APMC 0x7C
#define APMC_PCIE_SDOWN_STAT 0x80000000
#define APMC_PCIE_SDOWN_ENB 0x40000000
#define APMC_PSEUDO_HOT_PLUG 0x20000000
#define APMC_EXT_PLUGIN_ENB 0x04000000
#define APMC_EXT_PLUGIN_CTL_MSK 0x03000000
#define APMC_DIS_SRAM 0x00000004
#define APMC_DIS_CLKPM 0x00000002
#define APMC_DIS_CLKTX 0x00000001
/* Packet completion coalesing status of Rx queue 0, 1, 2 and 3. */
#define JME_PCCSRX_BASE 0x80
#define JME_PCCSRX_END 0x8F
#define PCCSRX_REG(x) (JME_PCCSRX_BASE + ((x) * 4))
#define PCCSRX_TO_MASK 0xFFFF0000
#define PCCSRX_TO_SHIFT 16
#define PCCSRX_PKT_CNT_MASK 0x0000FF00
#define PCCSRX_PKT_CNT_SHIFT 8
/* Packet completion coalesing status of Tx queue. */
#define JME_PCCSTX 0x90
#define PCCSTX_TO_MASK 0xFFFF0000
#define PCCSTX_TO_SHIFT 16
#define PCCSTX_PKT_CNT_MASK 0x0000FF00
#define PCCSTX_PKT_CNT_SHIFT 8
/* Tx queues empty indicator. */
#define JME_TXQEMPTY 0x94
#define TXQEMPTY_TXQ7 0x00000080
#define TXQEMPTY_TXQ6 0x00000040
#define TXQEMPTY_TXQ5 0x00000020
#define TXQEMPTY_TXQ4 0x00000010
#define TXQEMPTY_TXQ3 0x00000008
#define TXQEMPTY_TXQ2 0x00000004
#define TXQEMPTY_TXQ1 0x00000002
#define TXQEMPTY_TXQ0 0x00000001
#define TXQEMPTY_N_TXQ(x, y) ((x) & (0x01 << (y)))
/* RSS control registers. */
#define JME_RSS_BASE 0x0C00
#define JME_RSSC 0x0C00
#define RSSC_HASH_LEN_MASK 0x0000E000
#define RSSC_HASH_64_ENTRY 0x0000A000
#define RSSC_HASH_128_ENTRY 0x0000E000
#define RSSC_HASH_NONE 0x00001000
#define RSSC_HASH_IPV6 0x00000800
#define RSSC_HASH_IPV4 0x00000400
#define RSSC_HASH_IPV6_TCP 0x00000200
#define RSSC_HASH_IPV4_TCP 0x00000100
#define RSSC_NCPU_MASK 0x000000F8
#define RSSC_NCPU_SHIFT 3
#define RSSC_DIS_RSS 0x00000000
#define RSSC_2RXQ_ENB 0x00000001
#define RSSS_4RXQ_ENB 0x00000002
/* CPU vector. */
#define JME_RSSCPU 0x0C04
#define RSSCPU_N_SEL(x) ((1 << (x))
/* RSS Hash value. */
#define JME_RSSHASH 0x0C10
#define JME_RSSHASH_STAT 0x0C14
#define JME_RSS_RDATA0 0x0C18
#define JME_RSS_RDATA1 0x0C1C
/* RSS secret key. */
#define JME_RSSKEY_BASE 0x0C40
#define JME_RSSKEY_LAST 0x0C64
#define JME_RSSKEY_END 0x0C67
#define HASHKEY_NBYTES 40
#define RSSKEY_REG(x) (JME_RSSKEY_LAST - (4 * ((x) / 4)))
#define RSSKEY_VALUE(x, y) ((x) << (24 - 8 * ((y) % 4)))
/* RSS indirection table entries. */
#define JME_RSSTBL_BASE 0x0C80
#define JME_RSSTBL_END 0x0CFF
#define RSSTBL_NENTRY 128
#define RSSTBL_REG(x) (JME_RSSTBL_BASE + ((x) / 4))
#define RSSTBL_VALUE(x, y) ((x) << (8 * ((y) % 4)))
/* MSI-X table. */
#define JME_MSIX_BASE_ADDR 0x2000
#define JME_MSIX_BASE 0x2000
#define JME_MSIX_END 0x207F
#define JME_MSIX_NENTRY 8
#define MSIX_REG(x) (JME_MSIX_BASE + ((x) * 0x10))
#define MSIX_ADDR_HI_OFF 0x00
#define MSIX_ADDR_LO_OFF 0x04
#define MSIX_ADDR_LO_MASK 0xFFFFFFFC
#define MSIX_DATA_OFF 0x08
#define MSIX_VECTOR_OFF 0x0C
#define MSIX_VECTOR_RSVD 0x80000000
#define MSIX_VECTOR_DIS 0x00000001
/* MSI-X PBA. */
#define JME_MSIX_PBA_BASE_ADDR 0x3000
#define JME_MSIX_PBA 0x3000
#define MSIX_PBA_RSVD_MASK 0xFFFFFF00
#define MSIX_PBA_RSVD_SHIFT 8
#define MSIX_PBA_PEND_MASK 0x000000FF
#define MSIX_PBA_PEND_SHIFT 0
#define MSIX_PBA_PEND_ENTRY7 0x00000080
#define MSIX_PBA_PEND_ENTRY6 0x00000040
#define MSIX_PBA_PEND_ENTRY5 0x00000020
#define MSIX_PBA_PEND_ENTRY4 0x00000010
#define MSIX_PBA_PEND_ENTRY3 0x00000008
#define MSIX_PBA_PEND_ENTRY2 0x00000004
#define MSIX_PBA_PEND_ENTRY1 0x00000002
#define MSIX_PBA_PEND_ENTRY0 0x00000001
#define JME_PHY_OUI 0x001B8C
#define JME_PHY_MODEL 0x21
#define JME_PHY_REV 0x01
#define JME_PHY_ADDR 1
/* JMC250 shadow status block. */
struct jme_ssb {
uint32_t dw0;
uint32_t dw1;
uint32_t dw2;
uint32_t dw3;
uint32_t dw4;
uint32_t dw5;
uint32_t dw6;
uint32_t dw7;
};
/* JMC250 descriptor structures. */
struct jme_desc {
uint32_t flags;
uint32_t buflen;
uint32_t addr_hi;
uint32_t addr_lo;
};
#define JME_TD_OWN 0x80000000
#define JME_TD_INTR 0x40000000
#define JME_TD_64BIT 0x20000000
#define JME_TD_TCPCSUM 0x10000000
#define JME_TD_UDPCSUM 0x08000000
#define JME_TD_IPCSUM 0x04000000
#define JME_TD_TSO 0x02000000
#define JME_TD_VLAN_TAG 0x01000000
#define JME_TD_VLAN_MASK 0x0000FFFF
#define JME_TD_MSS_MASK 0xFFFC0000
#define JME_TD_MSS_SHIFT 18
#define JME_TD_BUF_LEN_MASK 0x0000FFFF
#define JME_TD_BUF_LEN_SHIFT 0
#define JME_TD_FRAME_LEN_MASK 0x0000FFFF
#define JME_TD_FRAME_LEN_SHIFT 0
/*
* Only the first Tx descriptor of a packet is updated
* after packet transmission.
*/
#define JME_TD_TMOUT 0x20000000
#define JME_TD_RETRY_EXP 0x10000000
#define JME_TD_COLLISION 0x08000000
#define JME_TD_UNDERRUN 0x04000000
#define JME_TD_EHDR_SIZE_MASK 0x000000FF
#define JME_TD_EHDR_SIZE_SHIFT 0
#define JME_TD_SEG_CNT_MASK 0xFFFF0000
#define JME_TD_SEG_CNT_SHIFT 16
#define JME_TD_RETRY_CNT_MASK 0x0000FFFF
#define JME_TD_RETRY_CNT_SHIFT 0
#define JME_RD_OWN 0x80000000
#define JME_RD_INTR 0x40000000
#define JME_RD_64BIT 0x20000000
#define JME_RD_BUF_LEN_MASK 0x0000FFFF
#define JME_RD_BUF_LEN_SHIFT 0
/*
* Only the first Rx descriptor of a packet is updated
* after packet reception.
*/
#define JME_RD_MORE_FRAG 0x20000000
#define JME_RD_TCP 0x10000000
#define JME_RD_UDP 0x08000000
#define JME_RD_IPCSUM 0x04000000
#define JME_RD_TCPCSUM 0x02000000
#define JME_RD_UDPCSUM 0x01000000
#define JME_RD_VLAN_TAG 0x00800000
#define JME_RD_IPV4 0x00400000
#define JME_RD_IPV6 0x00200000
#define JME_RD_PAUSE 0x00100000
#define JME_RD_MAGIC 0x00080000
#define JME_RD_WAKEUP 0x00040000
#define JME_RD_BCAST 0x00030000
#define JME_RD_MCAST 0x00020000
#define JME_RD_UCAST 0x00010000
#define JME_RD_VLAN_MASK 0x0000FFFF
#define JME_RD_VLAN_SHIFT 0
#define JME_RD_TCPV4 (JME_RD_IPV4|JME_RD_TCP)
#define JME_RD_UDPV4 (JME_RD_IPV4|JME_RD_UDP)
#define JME_RD_TCPV6 (JME_RD_IPV6|JME_RD_TCP)
#define JME_RD_UDPV6 (JME_RD_IPV6|JME_RD_UDP)
#define JME_RD_VALID 0x80000000
#define JME_RD_CNT_MASK 0x7F000000
#define JME_RD_CNT_SHIFT 24
#define JME_RD_GIANT 0x00800000
#define JME_RD_GMII_ERR 0x00400000
#define JME_RD_NBL_RCVD 0x00200000
#define JME_RD_COLL 0x00100000
#define JME_RD_ABORT 0x00080000
#define JME_RD_RUNT 0x00040000
#define JME_RD_FIFO_OVRN 0x00020000
#define JME_RD_CRC_ERR 0x00010000
#define JME_RD_FRAME_LEN_MASK 0x0000FFFF
#define JME_RX_ERR_STAT \
(JME_RD_GIANT | JME_RD_GMII_ERR | JME_RD_NBL_RCVD | \
JME_RD_COLL | JME_RD_ABORT | JME_RD_RUNT | \
JME_RD_FIFO_OVRN | JME_RD_CRC_ERR)
#define JME_RD_ERR_MASK 0x00FF0000
#define JME_RD_ERR_SHIFT 16
#define JME_RX_ERR(x) (((x) & JME_RD_ERR_MASK) >> JME_RD_ERR_SHIFT)
#define JME_RX_ERR_BITS "\20" \
"\1CRCERR\2FIFOOVRN\3RUNT\4ABORT" \
"\5COLL\6NBLRCVD\7GMIIERR\10"
#define JME_RX_NSEGS(x) (((x) & JME_RD_CNT_MASK) >> JME_RD_CNT_SHIFT)
#define JME_RX_BYTES(x) ((x) & JME_RD_FRAME_LEN_MASK)
#define JME_RX_PAD_BYTES 10
#define JME_RD_RSS_HASH_VALUE 0xFFFFFFFF
#define JME_RD_RSS_HASH_MASK 0x00003F00
#define JME_RD_RSS_HASH_SHIFT 8
#define JME_RD_RSS_HASH_NONE 0x00000000
#define JME_RD_RSS_HASH_IPV4 0x00000100
#define JME_RD_RSS_HASH_IPV4TCP 0x00000200
#define JME_RD_RSS_HASH_IPV6 0x00000400
#define JME_RD_RSS_HASH_IPV6TCP 0x00001000
#define JME_RD_HASH_FN_NONE 0x00000000
#define JME_RD_HASH_FN_TOEPLITZ 0x00000001
#define JME_MAX_TX_LEN 65535
#define JME_MAX_RX_LEN 65535
#define JME_ADDR_LO(x) ((uint64_t) (x) & 0xFFFFFFFF)
#define JME_ADDR_HI(x) ((uint64_t) (x) >> 32)
/*
* JMC250 can't handle Tx checksum offload/TSO if frame length
* is larger than its FIFO size(2K). It's also good idea to not
* use jumbo frame if hardware is running at half-duplex media.
* Because the jumbo frame may not fit into the Tx FIFO,
* collisions make hardware fetch frame from host memory with
* DMA again which in turn slows down Tx performance
* significantly.
*/
#define JME_TX_FIFO_SIZE 2000
/*
* JMC250 has just 4K Rx FIFO. To support jumbo frame that is
* larger than 4K bytes in length, Rx FIFO threshold should be
* adjusted to minimize Rx FIFO overrun.
*/
#define JME_RX_FIFO_SIZE 4000
#endif