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/* SPDX-License-Identifier: GPL-2.0 */
/*
* PKUnity Ultra Media Access Layer (UMAL) Ethernet MAC Registers
*/
/* MAC module of UMAL */
/* UMAL's MAC module includes G/MII interface, several additional PHY
* interfaces, and MAC control sub-layer, which provides support for control
* frames (e.g. PAUSE frames).
*/
/*
* TX/RX reset and control UMAL_CFG1
*/
#define UMAL_CFG1 (PKUNITY_UMAL_BASE + 0x0000)
/*
* MAC interface mode control UMAL_CFG2
*/
#define UMAL_CFG2 (PKUNITY_UMAL_BASE + 0x0004)
/*
* Inter Packet/Frame Gap UMAL_IPGIFG
*/
#define UMAL_IPGIFG (PKUNITY_UMAL_BASE + 0x0008)
/*
* Collision retry or backoff UMAL_HALFDUPLEX
*/
#define UMAL_HALFDUPLEX (PKUNITY_UMAL_BASE + 0x000c)
/*
* Maximum Frame Length UMAL_MAXFRAME
*/
#define UMAL_MAXFRAME (PKUNITY_UMAL_BASE + 0x0010)
/*
* Test Regsiter UMAL_TESTREG
*/
#define UMAL_TESTREG (PKUNITY_UMAL_BASE + 0x001c)
/*
* MII Management Configure UMAL_MIICFG
*/
#define UMAL_MIICFG (PKUNITY_UMAL_BASE + 0x0020)
/*
* MII Management Command UMAL_MIICMD
*/
#define UMAL_MIICMD (PKUNITY_UMAL_BASE + 0x0024)
/*
* MII Management Address UMAL_MIIADDR
*/
#define UMAL_MIIADDR (PKUNITY_UMAL_BASE + 0x0028)
/*
* MII Management Control UMAL_MIICTRL
*/
#define UMAL_MIICTRL (PKUNITY_UMAL_BASE + 0x002c)
/*
* MII Management Status UMAL_MIISTATUS
*/
#define UMAL_MIISTATUS (PKUNITY_UMAL_BASE + 0x0030)
/*
* MII Management Indicator UMAL_MIIIDCT
*/
#define UMAL_MIIIDCT (PKUNITY_UMAL_BASE + 0x0034)
/*
* Interface Control UMAL_IFCTRL
*/
#define UMAL_IFCTRL (PKUNITY_UMAL_BASE + 0x0038)
/*
* Interface Status UMAL_IFSTATUS
*/
#define UMAL_IFSTATUS (PKUNITY_UMAL_BASE + 0x003c)
/*
* MAC address (high 4 bytes) UMAL_STADDR1
*/
#define UMAL_STADDR1 (PKUNITY_UMAL_BASE + 0x0040)
/*
* MAC address (low 2 bytes) UMAL_STADDR2
*/
#define UMAL_STADDR2 (PKUNITY_UMAL_BASE + 0x0044)
/* FIFO MODULE OF UMAL */
/* UMAL's FIFO module provides data queuing for increased system level
* throughput
*/
#define UMAL_FIFOCFG0 (PKUNITY_UMAL_BASE + 0x0048)
#define UMAL_FIFOCFG1 (PKUNITY_UMAL_BASE + 0x004c)
#define UMAL_FIFOCFG2 (PKUNITY_UMAL_BASE + 0x0050)
#define UMAL_FIFOCFG3 (PKUNITY_UMAL_BASE + 0x0054)
#define UMAL_FIFOCFG4 (PKUNITY_UMAL_BASE + 0x0058)
#define UMAL_FIFOCFG5 (PKUNITY_UMAL_BASE + 0x005c)
#define UMAL_FIFORAM0 (PKUNITY_UMAL_BASE + 0x0060)
#define UMAL_FIFORAM1 (PKUNITY_UMAL_BASE + 0x0064)
#define UMAL_FIFORAM2 (PKUNITY_UMAL_BASE + 0x0068)
#define UMAL_FIFORAM3 (PKUNITY_UMAL_BASE + 0x006c)
#define UMAL_FIFORAM4 (PKUNITY_UMAL_BASE + 0x0070)
#define UMAL_FIFORAM5 (PKUNITY_UMAL_BASE + 0x0074)
#define UMAL_FIFORAM6 (PKUNITY_UMAL_BASE + 0x0078)
#define UMAL_FIFORAM7 (PKUNITY_UMAL_BASE + 0x007c)
/* MAHBE MODULE OF UMAL */
/* UMAL's MAHBE module interfaces to the host system through 32-bit AHB Master
* and Slave ports.Registers within the M-AHBE provide Control and Status
* information concerning these transfers.
*/
/*
* Transmit Control UMAL_DMATxCtrl
*/
#define UMAL_DMATxCtrl (PKUNITY_UMAL_BASE + 0x0180)
/*
* Pointer to TX Descripter UMAL_DMATxDescriptor
*/
#define UMAL_DMATxDescriptor (PKUNITY_UMAL_BASE + 0x0184)
/*
* Status of Tx Packet Transfers UMAL_DMATxStatus
*/
#define UMAL_DMATxStatus (PKUNITY_UMAL_BASE + 0x0188)
/*
* Receive Control UMAL_DMARxCtrl
*/
#define UMAL_DMARxCtrl (PKUNITY_UMAL_BASE + 0x018c)
/*
* Pointer to Rx Descriptor UMAL_DMARxDescriptor
*/
#define UMAL_DMARxDescriptor (PKUNITY_UMAL_BASE + 0x0190)
/*
* Status of Rx Packet Transfers UMAL_DMARxStatus
*/
#define UMAL_DMARxStatus (PKUNITY_UMAL_BASE + 0x0194)
/*
* Interrupt Mask UMAL_DMAIntrMask
*/
#define UMAL_DMAIntrMask (PKUNITY_UMAL_BASE + 0x0198)
/*
* Interrupts, read only UMAL_DMAInterrupt
*/
#define UMAL_DMAInterrupt (PKUNITY_UMAL_BASE + 0x019c)
/*
* Commands for UMAL_CFG1 register
*/
#define UMAL_CFG1_TXENABLE FIELD(1, 1, 0)
#define UMAL_CFG1_RXENABLE FIELD(1, 1, 2)
#define UMAL_CFG1_TXFLOWCTL FIELD(1, 1, 4)
#define UMAL_CFG1_RXFLOWCTL FIELD(1, 1, 5)
#define UMAL_CFG1_CONFLPBK FIELD(1, 1, 8)
#define UMAL_CFG1_RESET FIELD(1, 1, 31)
#define UMAL_CFG1_CONFFLCTL (MAC_TX_FLOW_CTL | MAC_RX_FLOW_CTL)
/*
* Commands for UMAL_CFG2 register
*/
#define UMAL_CFG2_FULLDUPLEX FIELD(1, 1, 0)
#define UMAL_CFG2_CRCENABLE FIELD(1, 1, 1)
#define UMAL_CFG2_PADCRC FIELD(1, 1, 2)
#define UMAL_CFG2_LENGTHCHECK FIELD(1, 1, 4)
#define UMAL_CFG2_MODEMASK FMASK(2, 8)
#define UMAL_CFG2_NIBBLEMODE FIELD(1, 2, 8)
#define UMAL_CFG2_BYTEMODE FIELD(2, 2, 8)
#define UMAL_CFG2_PREAMBLENMASK FMASK(4, 12)
#define UMAL_CFG2_DEFPREAMBLEN FIELD(7, 4, 12)
#define UMAL_CFG2_FD100 (UMAL_CFG2_DEFPREAMBLEN | UMAL_CFG2_NIBBLEMODE \
| UMAL_CFG2_LENGTHCHECK | UMAL_CFG2_PADCRC \
| UMAL_CFG2_CRCENABLE | UMAL_CFG2_FULLDUPLEX)
#define UMAL_CFG2_FD1000 (UMAL_CFG2_DEFPREAMBLEN | UMAL_CFG2_BYTEMODE \
| UMAL_CFG2_LENGTHCHECK | UMAL_CFG2_PADCRC \
| UMAL_CFG2_CRCENABLE | UMAL_CFG2_FULLDUPLEX)
#define UMAL_CFG2_HD100 (UMAL_CFG2_DEFPREAMBLEN | UMAL_CFG2_NIBBLEMODE \
| UMAL_CFG2_LENGTHCHECK | UMAL_CFG2_PADCRC \
| UMAL_CFG2_CRCENABLE)
/*
* Command for UMAL_IFCTRL register
*/
#define UMAL_IFCTRL_RESET FIELD(1, 1, 31)
/*
* Command for UMAL_MIICFG register
*/
#define UMAL_MIICFG_RESET FIELD(1, 1, 31)
/*
* Command for UMAL_MIICMD register
*/
#define UMAL_MIICMD_READ FIELD(1, 1, 0)
/*
* Command for UMAL_MIIIDCT register
*/
#define UMAL_MIIIDCT_BUSY FIELD(1, 1, 0)
#define UMAL_MIIIDCT_NOTVALID FIELD(1, 1, 2)
/*
* Commands for DMATxCtrl regesters
*/
#define UMAL_DMA_Enable FIELD(1, 1, 0)
/*
* Commands for DMARxCtrl regesters
*/
#define UMAL_DMAIntrMask_ENABLEHALFWORD FIELD(1, 1, 16)
/*
* Command for DMARxStatus
*/
#define CLR_RX_BUS_ERR FIELD(1, 1, 3)
#define CLR_RX_OVERFLOW FIELD(1, 1, 2)
#define CLR_RX_PKT FIELD(1, 1, 0)
/*
* Command for DMATxStatus
*/
#define CLR_TX_BUS_ERR FIELD(1, 1, 3)
#define CLR_TX_UNDERRUN FIELD(1, 1, 1)
#define CLR_TX_PKT FIELD(1, 1, 0)
/*
* Commands for DMAIntrMask and DMAInterrupt register
*/
#define INT_RX_MASK FIELD(0xd, 4, 4)
#define INT_TX_MASK FIELD(0xb, 4, 0)
#define INT_RX_BUS_ERR FIELD(1, 1, 7)
#define INT_RX_OVERFLOW FIELD(1, 1, 6)
#define INT_RX_PKT FIELD(1, 1, 4)
#define INT_TX_BUS_ERR FIELD(1, 1, 3)
#define INT_TX_UNDERRUN FIELD(1, 1, 1)
#define INT_TX_PKT FIELD(1, 1, 0)
/*
* MARCOS of UMAL's descriptors
*/
#define UMAL_DESC_PACKETSIZE_EMPTY FIELD(1, 1, 31)
#define UMAL_DESC_PACKETSIZE_NONEMPTY FIELD(0, 1, 31)
#define UMAL_DESC_PACKETSIZE_SIZEMASK FMASK(12, 0)