#ifndef XILINX_LL_TEMAC_H
#define XILINX_LL_TEMAC_H
#include <linux/netdevice.h>
#include <linux/of.h>
#include <linux/spinlock.h>
#ifdef CONFIG_PPC_DCR
#include <asm/dcr.h>
#include <asm/dcr-regs.h>
#endif
/* packet size info */
#define XTE_HDR_SIZE 14 /* size of Ethernet header */
#define XTE_TRL_SIZE 4 /* size of Ethernet trailer (FCS) */
#define XTE_JUMBO_MTU 9000
#define XTE_MAX_JUMBO_FRAME_SIZE (XTE_JUMBO_MTU + XTE_HDR_SIZE + XTE_TRL_SIZE)
/* Configuration options */
/* Accept all incoming packets.
* This option defaults to disabled (cleared) */
#define XTE_OPTION_PROMISC (1 << 0)
/* Jumbo frame support for Tx & Rx.
* This option defaults to disabled (cleared) */
#define XTE_OPTION_JUMBO (1 << 1)
/* VLAN Rx & Tx frame support.
* This option defaults to disabled (cleared) */
#define XTE_OPTION_VLAN (1 << 2)
/* Enable recognition of flow control frames on Rx
* This option defaults to enabled (set) */
#define XTE_OPTION_FLOW_CONTROL (1 << 4)
/* Strip FCS and PAD from incoming frames.
* Note: PAD from VLAN frames is not stripped.
* This option defaults to disabled (set) */
#define XTE_OPTION_FCS_STRIP (1 << 5)
/* Generate FCS field and add PAD automatically for outgoing frames.
* This option defaults to enabled (set) */
#define XTE_OPTION_FCS_INSERT (1 << 6)
/* Enable Length/Type error checking for incoming frames. When this option is
set, the MAC will filter frames that have a mismatched type/length field
and if XTE_OPTION_REPORT_RXERR is set, the user is notified when these
types of frames are encountered. When this option is cleared, the MAC will
allow these types of frames to be received.
This option defaults to enabled (set) */
#define XTE_OPTION_LENTYPE_ERR (1 << 7)
/* Enable the transmitter.
* This option defaults to enabled (set) */
#define XTE_OPTION_TXEN (1 << 11)
/* Enable the receiver
* This option defaults to enabled (set) */
#define XTE_OPTION_RXEN (1 << 12)
/* Default options set when device is initialized or reset */
#define XTE_OPTION_DEFAULTS \
(XTE_OPTION_TXEN | \
XTE_OPTION_FLOW_CONTROL | \
XTE_OPTION_RXEN)
/* XPS_LL_TEMAC SDMA registers definition */
#define TX_NXTDESC_PTR 0x00 /* r */
#define TX_CURBUF_ADDR 0x01 /* r */
#define TX_CURBUF_LENGTH 0x02 /* r */
#define TX_CURDESC_PTR 0x03 /* rw */
#define TX_TAILDESC_PTR 0x04 /* rw */
#define TX_CHNL_CTRL 0x05 /* rw */
/*
0:7 24:31 IRQTimeout
8:15 16:23 IRQCount
16:20 11:15 Reserved
21 10 0
22 9 UseIntOnEnd
23 8 LdIRQCnt
24 7 IRQEn
25:28 3:6 Reserved
29 2 IrqErrEn
30 1 IrqDlyEn
31 0 IrqCoalEn
*/
#define CHNL_CTRL_IRQ_IOE (1 << 9)
#define CHNL_CTRL_IRQ_EN (1 << 7)
#define CHNL_CTRL_IRQ_ERR_EN (1 << 2)
#define CHNL_CTRL_IRQ_DLY_EN (1 << 1)
#define CHNL_CTRL_IRQ_COAL_EN (1 << 0)
#define TX_IRQ_REG 0x06 /* rw */
/*
0:7 24:31 DltTmrValue
8:15 16:23 ClscCntrValue
16:17 14:15 Reserved
18:21 10:13 ClscCnt
22:23 8:9 DlyCnt
24:28 3::7 Reserved
29 2 ErrIrq
30 1 DlyIrq
31 0 CoalIrq
*/
#define TX_CHNL_STS 0x07 /* r */
/*
0:9 22:31 Reserved
10 21 TailPErr
11 20 CmpErr
12 19 AddrErr
13 18 NxtPErr
14 17 CurPErr
15 16 BsyWr
16:23 8:15 Reserved
24 7 Error
25 6 IOE
26 5 SOE
27 4 Cmplt
28 3 SOP
29 2 EOP
30 1 EngBusy
31 0 Reserved
*/
#define RX_NXTDESC_PTR 0x08 /* r */
#define RX_CURBUF_ADDR 0x09 /* r */
#define RX_CURBUF_LENGTH 0x0a /* r */
#define RX_CURDESC_PTR 0x0b /* rw */
#define RX_TAILDESC_PTR 0x0c /* rw */
#define RX_CHNL_CTRL 0x0d /* rw */
/*
0:7 24:31 IRQTimeout
8:15 16:23 IRQCount
16:20 11:15 Reserved
21 10 0
22 9 UseIntOnEnd
23 8 LdIRQCnt
24 7 IRQEn
25:28 3:6 Reserved
29 2 IrqErrEn
30 1 IrqDlyEn
31 0 IrqCoalEn
*/
#define RX_IRQ_REG 0x0e /* rw */
#define IRQ_COAL (1 << 0)
#define IRQ_DLY (1 << 1)
#define IRQ_ERR (1 << 2)
#define IRQ_DMAERR (1 << 7) /* this is not documented ??? */
/*
0:7 24:31 DltTmrValue
8:15 16:23 ClscCntrValue
16:17 14:15 Reserved
18:21 10:13 ClscCnt
22:23 8:9 DlyCnt
24:28 3::7 Reserved
*/
#define RX_CHNL_STS 0x0f /* r */
#define CHNL_STS_ENGBUSY (1 << 1)
#define CHNL_STS_EOP (1 << 2)
#define CHNL_STS_SOP (1 << 3)
#define CHNL_STS_CMPLT (1 << 4)
#define CHNL_STS_SOE (1 << 5)
#define CHNL_STS_IOE (1 << 6)
#define CHNL_STS_ERR (1 << 7)
#define CHNL_STS_BSYWR (1 << 16)
#define CHNL_STS_CURPERR (1 << 17)
#define CHNL_STS_NXTPERR (1 << 18)
#define CHNL_STS_ADDRERR (1 << 19)
#define CHNL_STS_CMPERR (1 << 20)
#define CHNL_STS_TAILERR (1 << 21)
/*
0:9 22:31 Reserved
10 21 TailPErr
11 20 CmpErr
12 19 AddrErr
13 18 NxtPErr
14 17 CurPErr
15 16 BsyWr
16:23 8:15 Reserved
24 7 Error
25 6 IOE
26 5 SOE
27 4 Cmplt
28 3 SOP
29 2 EOP
30 1 EngBusy
31 0 Reserved
*/
#define DMA_CONTROL_REG 0x10 /* rw */
#define DMA_CONTROL_RST (1 << 0)
#define DMA_TAIL_ENABLE (1 << 2)
/* XPS_LL_TEMAC direct registers definition */
#define XTE_RAF0_OFFSET 0x00
#define RAF0_RST (1 << 0)
#define RAF0_MCSTREJ (1 << 1)
#define RAF0_BCSTREJ (1 << 2)
#define XTE_TPF0_OFFSET 0x04
#define XTE_IFGP0_OFFSET 0x08
#define XTE_ISR0_OFFSET 0x0c
#define ISR0_HARDACSCMPLT (1 << 0)
#define ISR0_AUTONEG (1 << 1)
#define ISR0_RXCMPLT (1 << 2)
#define ISR0_RXREJ (1 << 3)
#define ISR0_RXFIFOOVR (1 << 4)
#define ISR0_TXCMPLT (1 << 5)
#define ISR0_RXDCMLCK (1 << 6)
#define XTE_IPR0_OFFSET 0x10
#define XTE_IER0_OFFSET 0x14
#define XTE_MSW0_OFFSET 0x20
#define XTE_LSW0_OFFSET 0x24
#define XTE_CTL0_OFFSET 0x28
#define XTE_RDY0_OFFSET 0x2c
#define XTE_RSE_MIIM_RR_MASK 0x0002
#define XTE_RSE_MIIM_WR_MASK 0x0004
#define XTE_RSE_CFG_RR_MASK 0x0020
#define XTE_RSE_CFG_WR_MASK 0x0040
#define XTE_RDY0_HARD_ACS_RDY_MASK (0x10000)
/* XPS_LL_TEMAC indirect registers offset definition */
#define XTE_RXC0_OFFSET 0x00000200 /* Rx configuration word 0 */
#define XTE_RXC1_OFFSET 0x00000240 /* Rx configuration word 1 */
#define XTE_RXC1_RXRST_MASK (1 << 31) /* Receiver reset */
#define XTE_RXC1_RXJMBO_MASK (1 << 30) /* Jumbo frame enable */
#define XTE_RXC1_RXFCS_MASK (1 << 29) /* FCS not stripped */
#define XTE_RXC1_RXEN_MASK (1 << 28) /* Receiver enable */
#define XTE_RXC1_RXVLAN_MASK (1 << 27) /* VLAN enable */
#define XTE_RXC1_RXHD_MASK (1 << 26) /* Half duplex */
#define
