![Michael Brown](/assets/img/avatar_default.png)
Suggested-by: Daniel P. Berrange <berrange@redhat.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>
916 lines
21 KiB
C
916 lines
21 KiB
C
/*
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* JMicron JMC2x0 series PCIe Ethernet gPXE Device Driver
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*
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* Copyright 2010 Guo-Fu Tseng <cooldavid@cooldavid.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*
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*/
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FILE_LICENCE ( GPL2_OR_LATER );
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#ifndef __JME_H_INCLUDED__
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#define __JME_H_INCLUDED__
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#define PCI_VENDOR_ID_JMICRON 0x197b
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#define PCI_DEVICE_ID_JMICRON_JMC250 0x0250
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#define PCI_DEVICE_ID_JMICRON_JMC260 0x0260
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/*
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* Extra PCI Configuration space interface
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*/
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#define PCI_DCSR_MRRS 0x59
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#define PCI_DCSR_MRRS_MASK 0x70
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enum pci_dcsr_mrrs_vals {
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MRRS_128B = 0x00,
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MRRS_256B = 0x10,
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MRRS_512B = 0x20,
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MRRS_1024B = 0x30,
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MRRS_2048B = 0x40,
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MRRS_4096B = 0x50,
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};
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/*
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* TX/RX Descriptors
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*
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* TX/RX Ring DESC Count Must be multiple of 16 and <= 1024
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*/
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#define RING_DESC_ALIGN 16 /* Descriptor alignment */
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#define TX_DESC_SIZE 16
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struct txdesc {
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union {
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uint8_t all[16];
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uint32_t dw[4];
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struct {
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/* DW0 */
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uint16_t vlan;
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uint8_t rsv1;
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uint8_t flags;
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/* DW1 */
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uint16_t datalen;
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uint16_t mss;
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/* DW2 */
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uint16_t pktsize;
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uint16_t rsv2;
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/* DW3 */
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uint32_t bufaddr;
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} desc1;
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struct {
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/* DW0 */
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uint16_t rsv1;
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uint8_t rsv2;
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uint8_t flags;
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/* DW1 */
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uint16_t datalen;
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uint16_t rsv3;
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/* DW2 */
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uint32_t bufaddrh;
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/* DW3 */
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uint32_t bufaddrl;
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} desc2;
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struct {
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/* DW0 */
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uint8_t ehdrsz;
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uint8_t rsv1;
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uint8_t rsv2;
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uint8_t flags;
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/* DW1 */
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uint16_t trycnt;
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uint16_t segcnt;
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/* DW2 */
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uint16_t pktsz;
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uint16_t rsv3;
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/* DW3 */
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uint32_t bufaddrl;
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} descwb;
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};
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};
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enum jme_txdesc_flags_bits {
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TXFLAG_OWN = 0x80,
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TXFLAG_INT = 0x40,
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TXFLAG_64BIT = 0x20,
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TXFLAG_TCPCS = 0x10,
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TXFLAG_UDPCS = 0x08,
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TXFLAG_IPCS = 0x04,
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TXFLAG_LSEN = 0x02,
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TXFLAG_TAGON = 0x01,
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};
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#define TXDESC_MSS_SHIFT 2
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enum jme_txwbdesc_flags_bits {
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TXWBFLAG_OWN = 0x80,
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TXWBFLAG_INT = 0x40,
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TXWBFLAG_TMOUT = 0x20,
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TXWBFLAG_TRYOUT = 0x10,
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TXWBFLAG_COL = 0x08,
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TXWBFLAG_ALLERR = TXWBFLAG_TMOUT |
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TXWBFLAG_TRYOUT |
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TXWBFLAG_COL,
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};
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#define RX_DESC_SIZE 16
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#define RX_BUF_DMA_ALIGN 8
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#define RX_PREPAD_SIZE 10
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#define ETH_CRC_LEN 2
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#define RX_VLANHDR_LEN 2
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#define RX_EXTRA_LEN (ETH_HLEN + \
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ETH_CRC_LEN + \
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RX_VLANHDR_LEN + \
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RX_BUF_DMA_ALIGN)
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#define FIXED_MTU 1500
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#define RX_ALLOC_LEN (FIXED_MTU + RX_EXTRA_LEN)
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struct rxdesc {
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union {
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uint8_t all[16];
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uint32_t dw[4];
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struct {
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/* DW0 */
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uint16_t rsv2;
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uint8_t rsv1;
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uint8_t flags;
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/* DW1 */
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uint16_t datalen;
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uint16_t wbcpl;
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/* DW2 */
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uint32_t bufaddrh;
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/* DW3 */
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uint32_t bufaddrl;
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} desc1;
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struct {
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/* DW0 */
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uint16_t vlan;
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uint16_t flags;
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/* DW1 */
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uint16_t framesize;
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uint8_t errstat;
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uint8_t desccnt;
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/* DW2 */
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uint32_t rsshash;
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/* DW3 */
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uint8_t hashfun;
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uint8_t hashtype;
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uint16_t resrv;
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} descwb;
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};
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};
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enum jme_rxdesc_flags_bits {
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RXFLAG_OWN = 0x80,
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RXFLAG_INT = 0x40,
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RXFLAG_64BIT = 0x20,
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};
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enum jme_rxwbdesc_flags_bits {
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RXWBFLAG_OWN = 0x8000,
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RXWBFLAG_INT = 0x4000,
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RXWBFLAG_MF = 0x2000,
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RXWBFLAG_64BIT = 0x2000,
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RXWBFLAG_TCPON = 0x1000,
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RXWBFLAG_UDPON = 0x0800,
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RXWBFLAG_IPCS = 0x0400,
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RXWBFLAG_TCPCS = 0x0200,
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RXWBFLAG_UDPCS = 0x0100,
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RXWBFLAG_TAGON = 0x0080,
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RXWBFLAG_IPV4 = 0x0040,
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RXWBFLAG_IPV6 = 0x0020,
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RXWBFLAG_PAUSE = 0x0010,
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RXWBFLAG_MAGIC = 0x0008,
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RXWBFLAG_WAKEUP = 0x0004,
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RXWBFLAG_DEST = 0x0003,
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RXWBFLAG_DEST_UNI = 0x0001,
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RXWBFLAG_DEST_MUL = 0x0002,
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RXWBFLAG_DEST_BRO = 0x0003,
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};
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enum jme_rxwbdesc_desccnt_mask {
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RXWBDCNT_WBCPL = 0x80,
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RXWBDCNT_DCNT = 0x7F,
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};
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enum jme_rxwbdesc_errstat_bits {
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RXWBERR_LIMIT = 0x80,
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RXWBERR_MIIER = 0x40,
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RXWBERR_NIBON = 0x20,
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RXWBERR_COLON = 0x10,
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RXWBERR_ABORT = 0x08,
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RXWBERR_SHORT = 0x04,
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RXWBERR_OVERUN = 0x02,
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RXWBERR_CRCERR = 0x01,
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RXWBERR_ALLERR = 0xFF,
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};
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/*
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* The structure holding buffer information and ring descriptors all together.
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*/
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struct jme_ring {
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void *desc; /* pointer to ring memory */
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unsigned long dma; /* phys address for ring dma */
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/* Buffer information corresponding to each descriptor */
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struct io_buffer **bufinf;
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int next_to_clean;
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int next_to_fill;
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int next_to_use;
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int nr_free;
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};
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/*
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* Jmac Adapter Private data
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*/
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struct jme_adapter {
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void *regs;
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struct mii_if_info mii_if;
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struct pci_device *pdev;
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unsigned int fpgaver;
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unsigned int chiprev;
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uint32_t reg_ghc;
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uint32_t reg_txcs;
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uint32_t reg_rxcs;
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uint32_t reg_rxmcs;
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uint32_t phylink;
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struct jme_ring rxring;
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uint32_t rx_ring_size;
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uint32_t rx_ring_mask;
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struct jme_ring txring;
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uint32_t tx_ring_size;
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uint32_t tx_ring_mask;
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};
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/*
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* I/O Resters
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*/
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enum jme_iomap_regs_value {
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JME_REGS_SIZE = 0x1000,
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};
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enum jme_iomap_offsets {
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JME_MAC = 0x0000,
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JME_PHY = 0x0400,
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JME_MISC = 0x0800,
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JME_RSS = 0x0C00,
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};
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enum jme_iomap_lens {
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JME_MAC_LEN = 0x80,
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JME_PHY_LEN = 0x58,
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JME_MISC_LEN = 0x98,
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JME_RSS_LEN = 0xFF,
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};
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enum jme_iomap_regs {
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JME_TXCS = JME_MAC | 0x00, /* Transmit Control and Status */
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JME_TXDBA_LO = JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */
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JME_TXDBA_HI = JME_MAC | 0x08, /* Transmit Queue Desc Base Addr */
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JME_TXQDC = JME_MAC | 0x0C, /* Transmit Queue Desc Count */
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JME_TXNDA = JME_MAC | 0x10, /* Transmit Queue Next Desc Addr */
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JME_TXMCS = JME_MAC | 0x14, /* Transmit MAC Control Status */
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JME_TXPFC = JME_MAC | 0x18, /* Transmit Pause Frame Control */
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JME_TXTRHD = JME_MAC | 0x1C, /* Transmit Timer/Retry@Half-Dup */
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JME_RXCS = JME_MAC | 0x20, /* Receive Control and Status */
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JME_RXDBA_LO = JME_MAC | 0x24, /* Receive Queue Desc Base Addr */
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JME_RXDBA_HI = JME_MAC | 0x28, /* Receive Queue Desc Base Addr */
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JME_RXQDC = JME_MAC | 0x2C, /* Receive Queue Desc Count */
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JME_RXNDA = JME_MAC | 0x30, /* Receive Queue Next Desc Addr */
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JME_RXMCS = JME_MAC | 0x34, /* Receive MAC Control Status */
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JME_RXUMA_LO = JME_MAC | 0x38, /* Receive Unicast MAC Address */
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JME_RXUMA_HI = JME_MAC | 0x3C, /* Receive Unicast MAC Address */
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JME_RXMCHT_LO = JME_MAC | 0x40, /* Recv Multicast Addr HashTable */
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JME_RXMCHT_HI = JME_MAC | 0x44, /* Recv Multicast Addr HashTable */
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JME_WFODP = JME_MAC | 0x48, /* Wakeup Frame Output Data Port */
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JME_WFOI = JME_MAC | 0x4C, /* Wakeup Frame Output Interface */
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JME_SMI = JME_MAC | 0x50, /* Station Management Interface */
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JME_GHC = JME_MAC | 0x54, /* Global Host Control */
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JME_PMCS = JME_MAC | 0x60, /* Power Management Control/Stat */
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JME_PHY_CS = JME_PHY | 0x28, /* PHY Ctrl and Status Register */
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JME_PHY_LINK = JME_PHY | 0x30, /* PHY Link Status Register */
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JME_SMBCSR = JME_PHY | 0x40, /* SMB Control and Status */
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JME_SMBINTF = JME_PHY | 0x44, /* SMB Interface */
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JME_TMCSR = JME_MISC | 0x00, /* Timer Control/Status Register */
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JME_GPREG0 = JME_MISC | 0x08, /* General purpose REG-0 */
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JME_GPREG1 = JME_MISC | 0x0C, /* General purpose REG-1 */
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JME_IEVE = JME_MISC | 0x20, /* Interrupt Event Status */
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JME_IREQ = JME_MISC | 0x24, /* Intr Req Status(For Debug) */
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JME_IENS = JME_MISC | 0x28, /* Intr Enable - Setting Port */
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JME_IENC = JME_MISC | 0x2C, /* Interrupt Enable - Clear Port */
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JME_PCCRX0 = JME_MISC | 0x30, /* PCC Control for RX Queue 0 */
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JME_PCCTX = JME_MISC | 0x40, /* PCC Control for TX Queues */
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JME_CHIPMODE = JME_MISC | 0x44, /* Identify FPGA Version */
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JME_SHBA_HI = JME_MISC | 0x48, /* Shadow Register Base HI */
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JME_SHBA_LO = JME_MISC | 0x4C, /* Shadow Register Base LO */
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JME_TIMER1 = JME_MISC | 0x70, /* Timer1 */
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JME_TIMER2 = JME_MISC | 0x74, /* Timer2 */
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JME_APMC = JME_MISC | 0x7C, /* Aggressive Power Mode Control */
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JME_PCCSRX0 = JME_MISC | 0x80, /* PCC Status of RX0 */
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};
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/*
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* TX Control/Status Bits
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*/
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enum jme_txcs_bits {
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TXCS_QUEUE7S = 0x00008000,
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TXCS_QUEUE6S = 0x00004000,
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TXCS_QUEUE5S = 0x00002000,
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TXCS_QUEUE4S = 0x00001000,
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TXCS_QUEUE3S = 0x00000800,
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TXCS_QUEUE2S = 0x00000400,
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TXCS_QUEUE1S = 0x00000200,
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TXCS_QUEUE0S = 0x00000100,
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TXCS_FIFOTH = 0x000000C0,
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TXCS_DMASIZE = 0x00000030,
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TXCS_BURST = 0x00000004,
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TXCS_ENABLE = 0x00000001,
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};
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enum jme_txcs_value {
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TXCS_FIFOTH_16QW = 0x000000C0,
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TXCS_FIFOTH_12QW = 0x00000080,
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TXCS_FIFOTH_8QW = 0x00000040,
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TXCS_FIFOTH_4QW = 0x00000000,
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TXCS_DMASIZE_64B = 0x00000000,
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TXCS_DMASIZE_128B = 0x00000010,
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TXCS_DMASIZE_256B = 0x00000020,
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TXCS_DMASIZE_512B = 0x00000030,
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TXCS_SELECT_QUEUE0 = 0x00000000,
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TXCS_SELECT_QUEUE1 = 0x00010000,
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TXCS_SELECT_QUEUE2 = 0x00020000,
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TXCS_SELECT_QUEUE3 = 0x00030000,
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TXCS_SELECT_QUEUE4 = 0x00040000,
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TXCS_SELECT_QUEUE5 = 0x00050000,
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TXCS_SELECT_QUEUE6 = 0x00060000,
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TXCS_SELECT_QUEUE7 = 0x00070000,
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TXCS_DEFAULT = TXCS_FIFOTH_4QW |
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TXCS_BURST,
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};
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#define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */
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/*
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* TX MAC Control/Status Bits
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*/
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enum jme_txmcs_bit_masks {
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TXMCS_IFG2 = 0xC0000000,
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TXMCS_IFG1 = 0x30000000,
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TXMCS_TTHOLD = 0x00000300,
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TXMCS_FBURST = 0x00000080,
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TXMCS_CARRIEREXT = 0x00000040,
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TXMCS_DEFER = 0x00000020,
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TXMCS_BACKOFF = 0x00000010,
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TXMCS_CARRIERSENSE = 0x00000008,
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TXMCS_COLLISION = 0x00000004,
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TXMCS_CRC = 0x00000002,
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TXMCS_PADDING = 0x00000001,
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};
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enum jme_txmcs_values {
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TXMCS_IFG2_6_4 = 0x00000000,
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TXMCS_IFG2_8_5 = 0x40000000,
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TXMCS_IFG2_10_6 = 0x80000000,
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TXMCS_IFG2_12_7 = 0xC0000000,
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TXMCS_IFG1_8_4 = 0x00000000,
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TXMCS_IFG1_12_6 = 0x10000000,
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TXMCS_IFG1_16_8 = 0x20000000,
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TXMCS_IFG1_20_10 = 0x30000000,
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TXMCS_TTHOLD_1_8 = 0x00000000,
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TXMCS_TTHOLD_1_4 = 0x00000100,
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TXMCS_TTHOLD_1_2 = 0x00000200,
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TXMCS_TTHOLD_FULL = 0x00000300,
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TXMCS_DEFAULT = TXMCS_IFG2_8_5 |
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TXMCS_IFG1_16_8 |
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TXMCS_TTHOLD_FULL |
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TXMCS_DEFER |
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TXMCS_CRC |
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TXMCS_PADDING,
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};
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enum jme_txpfc_bits_masks {
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TXPFC_VLAN_TAG = 0xFFFF0000,
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TXPFC_VLAN_EN = 0x00008000,
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TXPFC_PF_EN = 0x00000001,
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};
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enum jme_txtrhd_bits_masks {
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TXTRHD_TXPEN = 0x80000000,
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TXTRHD_TXP = 0x7FFFFF00,
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TXTRHD_TXREN = 0x00000080,
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TXTRHD_TXRL = 0x0000007F,
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};
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enum jme_txtrhd_shifts {
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TXTRHD_TXP_SHIFT = 8,
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TXTRHD_TXRL_SHIFT = 0,
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};
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/*
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* RX Control/Status Bits
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*/
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enum jme_rxcs_bit_masks {
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/* FIFO full threshold for transmitting Tx Pause Packet */
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RXCS_FIFOTHTP = 0x30000000,
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/* FIFO threshold for processing next packet */
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RXCS_FIFOTHNP = 0x0C000000,
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RXCS_DMAREQSZ = 0x03000000, /* DMA Request Size */
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RXCS_QUEUESEL = 0x00030000, /* Queue selection */
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RXCS_RETRYGAP = 0x0000F000, /* RX Desc full retry gap */
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RXCS_RETRYCNT = 0x00000F00, /* RX Desc full retry counter */
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RXCS_WAKEUP = 0x00000040, /* Enable receive wakeup packet */
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RXCS_MAGIC = 0x00000020, /* Enable receive magic packet */
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RXCS_SHORT = 0x00000010, /* Enable receive short packet */
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RXCS_ABORT = 0x00000008, /* Enable receive errorr packet */
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RXCS_QST = 0x00000004, /* Receive queue start */
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RXCS_SUSPEND = 0x00000002,
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RXCS_ENABLE = 0x00000001,
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};
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enum jme_rxcs_values {
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RXCS_FIFOTHTP_16T = 0x00000000,
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RXCS_FIFOTHTP_32T = 0x10000000,
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RXCS_FIFOTHTP_64T = 0x20000000,
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RXCS_FIFOTHTP_128T = 0x30000000,
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|
|
|
RXCS_FIFOTHNP_16QW = 0x00000000,
|
|
RXCS_FIFOTHNP_32QW = 0x04000000,
|
|
RXCS_FIFOTHNP_64QW = 0x08000000,
|
|
RXCS_FIFOTHNP_128QW = 0x0C000000,
|
|
|
|
RXCS_DMAREQSZ_16B = 0x00000000,
|
|
RXCS_DMAREQSZ_32B = 0x01000000,
|
|
RXCS_DMAREQSZ_64B = 0x02000000,
|
|
RXCS_DMAREQSZ_128B = 0x03000000,
|
|
|
|
RXCS_QUEUESEL_Q0 = 0x00000000,
|
|
RXCS_QUEUESEL_Q1 = 0x00010000,
|
|
RXCS_QUEUESEL_Q2 = 0x00020000,
|
|
RXCS_QUEUESEL_Q3 = 0x00030000,
|
|
|
|
RXCS_RETRYGAP_256ns = 0x00000000,
|
|
RXCS_RETRYGAP_512ns = 0x00001000,
|
|
RXCS_RETRYGAP_1024ns = 0x00002000,
|
|
RXCS_RETRYGAP_2048ns = 0x00003000,
|
|
RXCS_RETRYGAP_4096ns = 0x00004000,
|
|
RXCS_RETRYGAP_8192ns = 0x00005000,
|
|
RXCS_RETRYGAP_16384ns = 0x00006000,
|
|
RXCS_RETRYGAP_32768ns = 0x00007000,
|
|
|
|
RXCS_RETRYCNT_0 = 0x00000000,
|
|
RXCS_RETRYCNT_4 = 0x00000100,
|
|
RXCS_RETRYCNT_8 = 0x00000200,
|
|
RXCS_RETRYCNT_12 = 0x00000300,
|
|
RXCS_RETRYCNT_16 = 0x00000400,
|
|
RXCS_RETRYCNT_20 = 0x00000500,
|
|
RXCS_RETRYCNT_24 = 0x00000600,
|
|
RXCS_RETRYCNT_28 = 0x00000700,
|
|
RXCS_RETRYCNT_32 = 0x00000800,
|
|
RXCS_RETRYCNT_36 = 0x00000900,
|
|
RXCS_RETRYCNT_40 = 0x00000A00,
|
|
RXCS_RETRYCNT_44 = 0x00000B00,
|
|
RXCS_RETRYCNT_48 = 0x00000C00,
|
|
RXCS_RETRYCNT_52 = 0x00000D00,
|
|
RXCS_RETRYCNT_56 = 0x00000E00,
|
|
RXCS_RETRYCNT_60 = 0x00000F00,
|
|
|
|
RXCS_DEFAULT = RXCS_FIFOTHTP_128T |
|
|
RXCS_FIFOTHNP_128QW |
|
|
RXCS_DMAREQSZ_128B |
|
|
RXCS_RETRYGAP_256ns |
|
|
RXCS_RETRYCNT_32,
|
|
};
|
|
|
|
#define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */
|
|
|
|
/*
|
|
* RX MAC Control/Status Bits
|
|
*/
|
|
enum jme_rxmcs_bits {
|
|
RXMCS_ALLFRAME = 0x00000800,
|
|
RXMCS_BRDFRAME = 0x00000400,
|
|
RXMCS_MULFRAME = 0x00000200,
|
|
RXMCS_UNIFRAME = 0x00000100,
|
|
RXMCS_ALLMULFRAME = 0x00000080,
|
|
RXMCS_MULFILTERED = 0x00000040,
|
|
RXMCS_RXCOLLDEC = 0x00000020,
|
|
RXMCS_FLOWCTRL = 0x00000008,
|
|
RXMCS_VTAGRM = 0x00000004,
|
|
RXMCS_PREPAD = 0x00000002,
|
|
RXMCS_CHECKSUM = 0x00000001,
|
|
|
|
RXMCS_DEFAULT = RXMCS_VTAGRM |
|
|
RXMCS_FLOWCTRL |
|
|
RXMCS_CHECKSUM,
|
|
};
|
|
|
|
/*
|
|
* Wakeup Frame setup interface registers
|
|
*/
|
|
#define WAKEUP_FRAME_NR 8
|
|
#define WAKEUP_FRAME_MASK_DWNR 4
|
|
|
|
enum jme_wfoi_bit_masks {
|
|
WFOI_MASK_SEL = 0x00000070,
|
|
WFOI_CRC_SEL = 0x00000008,
|
|
WFOI_FRAME_SEL = 0x00000007,
|
|
};
|
|
|
|
enum jme_wfoi_shifts {
|
|
WFOI_MASK_SHIFT = 4,
|
|
};
|
|
|
|
/*
|
|
* SMI Related definitions
|
|
*/
|
|
enum jme_smi_bit_mask {
|
|
SMI_DATA_MASK = 0xFFFF0000,
|
|
SMI_REG_ADDR_MASK = 0x0000F800,
|
|
SMI_PHY_ADDR_MASK = 0x000007C0,
|
|
SMI_OP_WRITE = 0x00000020,
|
|
/* Set to 1, after req done it'll be cleared to 0 */
|
|
SMI_OP_REQ = 0x00000010,
|
|
SMI_OP_MDIO = 0x00000008, /* Software assess In/Out */
|
|
SMI_OP_MDOE = 0x00000004, /* Software Output Enable */
|
|
SMI_OP_MDC = 0x00000002, /* Software CLK Control */
|
|
SMI_OP_MDEN = 0x00000001, /* Software access Enable */
|
|
};
|
|
|
|
enum jme_smi_bit_shift {
|
|
SMI_DATA_SHIFT = 16,
|
|
SMI_REG_ADDR_SHIFT = 11,
|
|
SMI_PHY_ADDR_SHIFT = 6,
|
|
};
|
|
|
|
static inline uint32_t smi_reg_addr(int x)
|
|
{
|
|
return (x << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK;
|
|
}
|
|
|
|
static inline uint32_t smi_phy_addr(int x)
|
|
{
|
|
return (x << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK;
|
|
}
|
|
|
|
#define JME_PHY_TIMEOUT 100 /* 100 msec */
|
|
#define JME_PHY_REG_NR 32
|
|
|
|
/*
|
|
* Global Host Control
|
|
*/
|
|
enum jme_ghc_bit_mask {
|
|
GHC_SWRST = 0x40000000,
|
|
GHC_DPX = 0x00000040,
|
|
GHC_SPEED = 0x00000030,
|
|
GHC_LINK_POLL = 0x00000001,
|
|
};
|
|
|
|
enum jme_ghc_speed_val {
|
|
GHC_SPEED_10M = 0x00000010,
|
|
GHC_SPEED_100M = 0x00000020,
|
|
GHC_SPEED_1000M = 0x00000030,
|
|
};
|
|
|
|
enum jme_ghc_to_clk {
|
|
GHC_TO_CLK_OFF = 0x00000000,
|
|
GHC_TO_CLK_GPHY = 0x00400000,
|
|
GHC_TO_CLK_PCIE = 0x00800000,
|
|
GHC_TO_CLK_INVALID = 0x00C00000,
|
|
};
|
|
|
|
enum jme_ghc_txmac_clk {
|
|
GHC_TXMAC_CLK_OFF = 0x00000000,
|
|
GHC_TXMAC_CLK_GPHY = 0x00100000,
|
|
GHC_TXMAC_CLK_PCIE = 0x00200000,
|
|
GHC_TXMAC_CLK_INVALID = 0x00300000,
|
|
};
|
|
|
|
/*
|
|
* Power management control and status register
|
|
*/
|
|
enum jme_pmcs_bit_masks {
|
|
PMCS_WF7DET = 0x80000000,
|
|
PMCS_WF6DET = 0x40000000,
|
|
PMCS_WF5DET = 0x20000000,
|
|
PMCS_WF4DET = 0x10000000,
|
|
PMCS_WF3DET = 0x08000000,
|
|
PMCS_WF2DET = 0x04000000,
|
|
PMCS_WF1DET = 0x02000000,
|
|
PMCS_WF0DET = 0x01000000,
|
|
PMCS_LFDET = 0x00040000,
|
|
PMCS_LRDET = 0x00020000,
|
|
PMCS_MFDET = 0x00010000,
|
|
PMCS_WF7EN = 0x00008000,
|
|
PMCS_WF6EN = 0x00004000,
|
|
PMCS_WF5EN = 0x00002000,
|
|
PMCS_WF4EN = 0x00001000,
|
|
PMCS_WF3EN = 0x00000800,
|
|
PMCS_WF2EN = 0x00000400,
|
|
PMCS_WF1EN = 0x00000200,
|
|
PMCS_WF0EN = 0x00000100,
|
|
PMCS_LFEN = 0x00000004,
|
|
PMCS_LREN = 0x00000002,
|
|
PMCS_MFEN = 0x00000001,
|
|
};
|
|
|
|
/*
|
|
* Giga PHY Status Registers
|
|
*/
|
|
enum jme_phy_link_bit_mask {
|
|
PHY_LINK_SPEED_MASK = 0x0000C000,
|
|
PHY_LINK_DUPLEX = 0x00002000,
|
|
PHY_LINK_SPEEDDPU_RESOLVED = 0x00000800,
|
|
PHY_LINK_UP = 0x00000400,
|
|
PHY_LINK_AUTONEG_COMPLETE = 0x00000200,
|
|
PHY_LINK_MDI_STAT = 0x00000040,
|
|
};
|
|
|
|
enum jme_phy_link_speed_val {
|
|
PHY_LINK_SPEED_10M = 0x00000000,
|
|
PHY_LINK_SPEED_100M = 0x00004000,
|
|
PHY_LINK_SPEED_1000M = 0x00008000,
|
|
};
|
|
|
|
#define JME_SPDRSV_TIMEOUT 500 /* 500 us */
|
|
|
|
/*
|
|
* SMB Control and Status
|
|
*/
|
|
enum jme_smbcsr_bit_mask {
|
|
SMBCSR_CNACK = 0x00020000,
|
|
SMBCSR_RELOAD = 0x00010000,
|
|
SMBCSR_EEPROMD = 0x00000020,
|
|
SMBCSR_INITDONE = 0x00000010,
|
|
SMBCSR_BUSY = 0x0000000F,
|
|
};
|
|
|
|
enum jme_smbintf_bit_mask {
|
|
SMBINTF_HWDATR = 0xFF000000,
|
|
SMBINTF_HWDATW = 0x00FF0000,
|
|
SMBINTF_HWADDR = 0x0000FF00,
|
|
SMBINTF_HWRWN = 0x00000020,
|
|
SMBINTF_HWCMD = 0x00000010,
|
|
SMBINTF_FASTM = 0x00000008,
|
|
SMBINTF_GPIOSCL = 0x00000004,
|
|
SMBINTF_GPIOSDA = 0x00000002,
|
|
SMBINTF_GPIOEN = 0x00000001,
|
|
};
|
|
|
|
enum jme_smbintf_vals {
|
|
SMBINTF_HWRWN_READ = 0x00000020,
|
|
SMBINTF_HWRWN_WRITE = 0x00000000,
|
|
};
|
|
|
|
enum jme_smbintf_shifts {
|
|
SMBINTF_HWDATR_SHIFT = 24,
|
|
SMBINTF_HWDATW_SHIFT = 16,
|
|
SMBINTF_HWADDR_SHIFT = 8,
|
|
};
|
|
|
|
#define JME_EEPROM_RELOAD_TIMEOUT 2000 /* 2000 msec */
|
|
#define JME_SMB_BUSY_TIMEOUT 20 /* 20 msec */
|
|
#define JME_SMB_LEN 256
|
|
#define JME_EEPROM_MAGIC 0x250
|
|
|
|
/*
|
|
* Timer Control/Status Register
|
|
*/
|
|
enum jme_tmcsr_bit_masks {
|
|
TMCSR_SWIT = 0x80000000,
|
|
TMCSR_EN = 0x01000000,
|
|
TMCSR_CNT = 0x00FFFFFF,
|
|
};
|
|
|
|
/*
|
|
* General Purpose REG-0
|
|
*/
|
|
enum jme_gpreg0_masks {
|
|
GPREG0_DISSH = 0xFF000000,
|
|
GPREG0_PCIRLMT = 0x00300000,
|
|
GPREG0_PCCNOMUTCLR = 0x00040000,
|
|
GPREG0_LNKINTPOLL = 0x00001000,
|
|
GPREG0_PCCTMR = 0x00000300,
|
|
GPREG0_PHYADDR = 0x0000001F,
|
|
};
|
|
|
|
enum jme_gpreg0_vals {
|
|
GPREG0_DISSH_DW7 = 0x80000000,
|
|
GPREG0_DISSH_DW6 = 0x40000000,
|
|
GPREG0_DISSH_DW5 = 0x20000000,
|
|
GPREG0_DISSH_DW4 = 0x10000000,
|
|
GPREG0_DISSH_DW3 = 0x08000000,
|
|
GPREG0_DISSH_DW2 = 0x04000000,
|
|
GPREG0_DISSH_DW1 = 0x02000000,
|
|
GPREG0_DISSH_DW0 = 0x01000000,
|
|
GPREG0_DISSH_ALL = 0xFF000000,
|
|
|
|
GPREG0_PCIRLMT_8 = 0x00000000,
|
|
GPREG0_PCIRLMT_6 = 0x00100000,
|
|
GPREG0_PCIRLMT_5 = 0x00200000,
|
|
GPREG0_PCIRLMT_4 = 0x00300000,
|
|
|
|
GPREG0_PCCTMR_16ns = 0x00000000,
|
|
GPREG0_PCCTMR_256ns = 0x00000100,
|
|
GPREG0_PCCTMR_1us = 0x00000200,
|
|
GPREG0_PCCTMR_1ms = 0x00000300,
|
|
|
|
GPREG0_PHYADDR_1 = 0x00000001,
|
|
|
|
GPREG0_DEFAULT = GPREG0_DISSH_ALL |
|
|
GPREG0_PCIRLMT_4 |
|
|
GPREG0_PCCTMR_1us |
|
|
GPREG0_PHYADDR_1,
|
|
};
|
|
|
|
/*
|
|
* General Purpose REG-1
|
|
* Note: All theses bits defined here are for
|
|
* Chip mode revision 0x11 only
|
|
*/
|
|
enum jme_gpreg1_masks {
|
|
GPREG1_INTRDELAYUNIT = 0x00000018,
|
|
GPREG1_INTRDELAYENABLE = 0x00000007,
|
|
};
|
|
|
|
enum jme_gpreg1_vals {
|
|
GPREG1_RSSPATCH = 0x00000040,
|
|
GPREG1_HALFMODEPATCH = 0x00000020,
|
|
|
|
GPREG1_INTDLYUNIT_16NS = 0x00000000,
|
|
GPREG1_INTDLYUNIT_256NS = 0x00000008,
|
|
GPREG1_INTDLYUNIT_1US = 0x00000010,
|
|
GPREG1_INTDLYUNIT_16US = 0x00000018,
|
|
|
|
GPREG1_INTDLYEN_1U = 0x00000001,
|
|
GPREG1_INTDLYEN_2U = 0x00000002,
|
|
GPREG1_INTDLYEN_3U = 0x00000003,
|
|
GPREG1_INTDLYEN_4U = 0x00000004,
|
|
GPREG1_INTDLYEN_5U = 0x00000005,
|
|
GPREG1_INTDLYEN_6U = 0x00000006,
|
|
GPREG1_INTDLYEN_7U = 0x00000007,
|
|
|
|
GPREG1_DEFAULT = 0x00000000,
|
|
};
|
|
|
|
/*
|
|
* Interrupt Status Bits
|
|
*/
|
|
enum jme_interrupt_bits {
|
|
INTR_SWINTR = 0x80000000,
|
|
INTR_TMINTR = 0x40000000,
|
|
INTR_LINKCH = 0x20000000,
|
|
INTR_PAUSERCV = 0x10000000,
|
|
INTR_MAGICRCV = 0x08000000,
|
|
INTR_WAKERCV = 0x04000000,
|
|
INTR_PCCRX0TO = 0x02000000,
|
|
INTR_PCCRX1TO = 0x01000000,
|
|
INTR_PCCRX2TO = 0x00800000,
|
|
INTR_PCCRX3TO = 0x00400000,
|
|
INTR_PCCTXTO = 0x00200000,
|
|
INTR_PCCRX0 = 0x00100000,
|
|
INTR_PCCRX1 = 0x00080000,
|
|
INTR_PCCRX2 = 0x00040000,
|
|
INTR_PCCRX3 = 0x00020000,
|
|
INTR_PCCTX = 0x00010000,
|
|
INTR_RX3EMP = 0x00008000,
|
|
INTR_RX2EMP = 0x00004000,
|
|
INTR_RX1EMP = 0x00002000,
|
|
INTR_RX0EMP = 0x00001000,
|
|
INTR_RX3 = 0x00000800,
|
|
INTR_RX2 = 0x00000400,
|
|
INTR_RX1 = 0x00000200,
|
|
INTR_RX0 = 0x00000100,
|
|
INTR_TX7 = 0x00000080,
|
|
INTR_TX6 = 0x00000040,
|
|
INTR_TX5 = 0x00000020,
|
|
INTR_TX4 = 0x00000010,
|
|
INTR_TX3 = 0x00000008,
|
|
INTR_TX2 = 0x00000004,
|
|
INTR_TX1 = 0x00000002,
|
|
INTR_TX0 = 0x00000001,
|
|
};
|
|
|
|
static const uint32_t INTR_ENABLE = INTR_LINKCH |
|
|
INTR_RX0EMP |
|
|
INTR_RX0 |
|
|
INTR_TX0;
|
|
|
|
/*
|
|
* PCC Control Registers
|
|
*/
|
|
enum jme_pccrx_masks {
|
|
PCCRXTO_MASK = 0xFFFF0000,
|
|
PCCRX_MASK = 0x0000FF00,
|
|
};
|
|
|
|
enum jme_pcctx_masks {
|
|
PCCTXTO_MASK = 0xFFFF0000,
|
|
PCCTX_MASK = 0x0000FF00,
|
|
PCCTX_QS_MASK = 0x000000FF,
|
|
};
|
|
|
|
enum jme_pccrx_shifts {
|
|
PCCRXTO_SHIFT = 16,
|
|
PCCRX_SHIFT = 8,
|
|
};
|
|
|
|
enum jme_pcctx_shifts {
|
|
PCCTXTO_SHIFT = 16,
|
|
PCCTX_SHIFT = 8,
|
|
};
|
|
|
|
enum jme_pcctx_bits {
|
|
PCCTXQ0_EN = 0x00000001,
|
|
PCCTXQ1_EN = 0x00000002,
|
|
PCCTXQ2_EN = 0x00000004,
|
|
PCCTXQ3_EN = 0x00000008,
|
|
PCCTXQ4_EN = 0x00000010,
|
|
PCCTXQ5_EN = 0x00000020,
|
|
PCCTXQ6_EN = 0x00000040,
|
|
PCCTXQ7_EN = 0x00000080,
|
|
};
|
|
|
|
/*
|
|
* Chip Mode Register
|
|
*/
|
|
enum jme_chipmode_bit_masks {
|
|
CM_FPGAVER_MASK = 0xFFFF0000,
|
|
CM_CHIPREV_MASK = 0x0000FF00,
|
|
CM_CHIPMODE_MASK = 0x0000000F,
|
|
};
|
|
|
|
enum jme_chipmode_shifts {
|
|
CM_FPGAVER_SHIFT = 16,
|
|
CM_CHIPREV_SHIFT = 8,
|
|
};
|
|
|
|
/*
|
|
* Workaround
|
|
*/
|
|
static inline int is_buggy250(unsigned short device, unsigned int chiprev)
|
|
{
|
|
return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11;
|
|
}
|
|
|
|
/*
|
|
* Read/Write I/O Registers
|
|
*/
|
|
static inline uint32_t jread32(struct jme_adapter *jme, uint32_t reg)
|
|
{
|
|
return readl(jme->regs + reg);
|
|
}
|
|
|
|
static inline void jwrite32(struct jme_adapter *jme, uint32_t reg, uint32_t val)
|
|
{
|
|
writel(val, jme->regs + reg);
|
|
}
|
|
|
|
static void jwrite32f(struct jme_adapter *jme, uint32_t reg, uint32_t val)
|
|
{
|
|
/*
|
|
* Read after write should cause flush
|
|
*/
|
|
writel(val, jme->regs + reg);
|
|
readl(jme->regs + reg);
|
|
}
|
|
|
|
#endif
|