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net2280.h
// SPDX-License-Identifier: GPL-2.0+ /* * NetChip 2280 high/full speed USB device controller. * Unlike many such controllers, this one talks PCI. * * Copyright (C) 2002 NetChip Technology, Inc. (http://www.netchip.com) * Copyright (C) 2003 David Brownell */ #ifndef __LINUX_USB_NET2280_H #define __LINUX_USB_NET2280_H /*-------------------------------------------------------------------------*/ /* NET2280 MEMORY MAPPED REGISTERS * * The register layout came from the chip documentation, and the bit * number definitions were extracted from chip specification. * * Use the shift operator ('<<') to build bit masks, with readl/writel * to access the registers through PCI. */ /* main registers, BAR0 + 0x0000 */ struct net2280_regs { /* offset 0x0000 */ u32 devinit; #define LOCAL_CLOCK_FREQUENCY 8 #define FORCE_PCI_RESET 7 #define PCI_ID 6 #define PCI_ENABLE 5 #define FIFO_SOFT_RESET 4 #define CFG_SOFT_RESET 3 #define PCI_SOFT_RESET 2 #define USB_SOFT_RESET 1 #define M8051_RESET 0 u32 eectl; #define EEPROM_ADDRESS_WIDTH 23 #define EEPROM_CHIP_SELECT_ACTIVE 22 #define EEPROM_PRESENT 21 #define EEPROM_VALID 20 #define EEPROM_BUSY 19 #define EEPROM_CHIP_SELECT_ENABLE 18 #define EEPROM_BYTE_READ_START 17 #define EEPROM_BYTE_WRITE_START 16 #define EEPROM_READ_DATA 8 #define EEPROM_WRITE_DATA 0 u32 eeclkfreq; u32 _unused0; /* offset 0x0010 */ u32 pciirqenb0; /* interrupt PCI master ... */ #define SETUP_PACKET_INTERRUPT_ENABLE 7 #define ENDPOINT_F_INTERRUPT_ENABLE 6 #define ENDPOINT_E_INTERRUPT_ENABLE 5 #define ENDPOINT_D_INTERRUPT_ENABLE 4 #define ENDPOINT_C_INTERRUPT_ENABLE 3 #define ENDPOINT_B_INTERRUPT_ENABLE 2 #define ENDPOINT_A_INTERRUPT_ENABLE 1 #define ENDPOINT_0_INTERRUPT_ENABLE 0 u32 pciirqenb1; #define PCI_INTERRUPT_ENABLE 31 #define POWER_STATE_CHANGE_INTERRUPT_ENABLE 27 #define PCI_ARBITER_TIMEOUT_INTERRUPT_ENABLE 26 #define PCI_PARITY_ERROR_INTERRUPT_ENABLE 25 #define PCI_MASTER_ABORT_RECEIVED_INTERRUPT_ENABLE 20 #define PCI_TARGET_ABORT_RECEIVED_INTERRUPT_ENABLE 19 #define PCI_TARGET_ABORT_ASSERTED_INTERRUPT_ENABLE 18 #define PCI_RETRY_ABORT_INTERRUPT_ENABLE 17 #define PCI_MASTER_CYCLE_DONE_INTERRUPT_ENABLE 16 #define GPIO_INTERRUPT_ENABLE 13 #define DMA_D_INTERRUPT_ENABLE 12 #define DMA_C_INTERRUPT_ENABLE 11 #define DMA_B_INTERRUPT_ENABLE 10 #define DMA_A_INTERRUPT_ENABLE 9 #define EEPROM_DONE_INTERRUPT_ENABLE 8 #define VBUS_INTERRUPT_ENABLE 7 #define CONTROL_STATUS_INTERRUPT_ENABLE 6 #define ROOT_PORT_RESET_INTERRUPT_ENABLE 4 #define SUSPEND_REQUEST_INTERRUPT_ENABLE 3 #define SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE 2 #define RESUME_INTERRUPT_ENABLE 1 #define SOF_INTERRUPT_ENABLE 0 u32 cpu_irqenb0; /* ... or onboard 8051 */ #define SETUP_PACKET_INTERRUPT_ENABLE 7 #define ENDPOINT_F_INTERRUPT_ENABLE 6 #define ENDPOINT_E_INTERRUPT_ENABLE 5 #define ENDPOINT_D_INTERRUPT_ENABLE 4 #define ENDPOINT_C_INTERRUPT_ENABLE 3 #define ENDPOINT_B_INTERRUPT_ENABLE 2 #define ENDPOINT_A_INTERRUPT_ENABLE 1 #define ENDPOINT_0_INTERRUPT_ENABLE 0 u32 cpu_irqenb1; #define CPU_INTERRUPT_ENABLE 31 #define POWER_STATE_CHANGE_INTERRUPT_ENABLE 27 #define PCI_ARBITER_TIMEOUT_INTERRUPT_ENABLE 26 #define PCI_PARITY_ERROR_INTERRUPT_ENABLE 25 #define PCI_INTA_INTERRUPT_ENABLE 24 #define PCI_PME_INTERRUPT_ENABLE 23 #define PCI_SERR_INTERRUPT_ENABLE 22 #define PCI_PERR_INTERRUPT_ENABLE 21 #define PCI_MASTER_ABORT_RECEIVED_INTERRUPT_ENABLE 20 #define PCI_TARGET_ABORT_RECEIVED_INTERRUPT_ENABLE 19 #define PCI_RETRY_ABORT_INTERRUPT_ENABLE 17 #define PCI_MASTER_CYCLE_DONE_INTERRUPT_ENABLE 16 #define GPIO_INTERRUPT_ENABLE 13 #define DMA_D_INTERRUPT_ENABLE 12 #define DMA_C_INTERRUPT_ENABLE 11 #define DMA_B_INTERRUPT_ENABLE 10 #define DMA_A_INTERRUPT_ENABLE 9 #define EEPROM_DONE_INTERRUPT_ENABLE 8 #define VBUS_INTERRUPT_ENABLE 7 #define CONTROL_STATUS_INTERRUPT_ENABLE 6 #define ROOT_PORT_RESET_INTERRUPT_ENABLE 4 #define SUSPEND_REQUEST_INTERRUPT_ENABLE 3 #define SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE 2 #define RESUME_INTERRUPT_ENABLE 1 #define SOF_INTERRUPT_ENABLE 0 /* offset 0x0020 */ u32 _unused1; u32 usbirqenb1; #define USB_INTERRUPT_ENABLE 31 #define POWER_STATE_CHANGE_INTERRUPT_ENABLE 27 #define PCI_ARBITER_TIMEOUT_INTERRUPT_ENABLE 26 #define PCI_PARITY_ERROR_INTERRUPT_ENABLE 25 #define PCI_INTA_INTERRUPT_ENABLE 24 #define PCI_PME_INTERRUPT_ENABLE 23 #define PCI_SERR_INTERRUPT_ENABLE 22 #define PCI_PERR_INTERRUPT_ENABLE 21 #define PCI_MASTER_ABORT_RECEIVED_INTERRUPT_ENABLE 20 #define PCI_TARGET_ABORT_RECEIVED_INTERRUPT_ENABLE 19 #define PCI_RETRY_ABORT_INTERRUPT_ENABLE 17 #define PCI_MASTER_CYCLE_DONE_INTERRUPT_ENABLE 16 #define GPIO_INTERRUPT_ENABLE 13 #define DMA_D_INTERRUPT_ENABLE 12 #define DMA_C_INTERRUPT_ENABLE 11 #define DMA_B_INTERRUPT_ENABLE 10 #define DMA_A_INTERRUPT_ENABLE 9 #define EEPROM_DONE_INTERRUPT_ENABLE 8 #define VBUS_INTERRUPT_ENABLE 7 #define CONTROL_STATUS_INTERRUPT_ENABLE 6 #define ROOT_PORT_RESET_INTERRUPT_ENABLE 4 #define SUSPEND_REQUEST_INTERRUPT_ENABLE 3 #define SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE 2 #define RESUME_INTERRUPT_ENABLE 1 #define SOF_INTERRUPT_ENABLE 0 u32 irqstat0; #define INTA_ASSERTED 12 #define SETUP_PACKET_INTERRUPT 7 #define ENDPOINT_F_INTERRUPT 6 #define ENDPOINT_E_INTERRUPT 5 #define ENDPOINT_D_INTERRUPT 4 #define ENDPOINT_C_INTERRUPT 3 #define ENDPOINT_B_INTERRUPT 2 #define ENDPOINT_A_INTERRUPT 1 #define ENDPOINT_0_INTERRUPT 0 #define USB3380_IRQSTAT0_EP_INTR_MASK_IN (0xF << 17) #define USB3380_IRQSTAT0_EP_INTR_MASK_OUT (0xF << 1) u32 irqstat1; #define POWER_STATE_CHANGE_INTERRUPT 27 #define PCI_ARBITER_TIMEOUT_INTERRUPT 26 #define PCI_PARITY_ERROR_INTERRUPT 25 #define PCI_INTA_INTERRUPT 24 #define PCI_PME_INTERRUPT 23 #define PCI_SERR_INTERRUPT 22 #define PCI_PERR_INTERRUPT 21 #define PCI_MASTER_ABORT_RECEIVED_INTERRUPT 20 #define PCI_TARGET_ABORT_RECEIVED_INTERRUPT 19 #define PCI_RETRY_ABORT_INTERRUPT 17 #define PCI_MASTER_CYCLE_DONE_INTERRUPT 16 #define SOF_DOWN_INTERRUPT 14 #define GPIO_INTERRUPT 13 #define DMA_D_INTERRUPT 12 #define DMA_C_INTERRUPT 11 #define DMA_B_INTERRUPT 10 #define DMA_A_INTERRUPT 9 #define EEPROM_DONE_INTERRUPT 8 #define VBUS_INTERRUPT 7 #define CONTROL_STATUS_INTERRUPT 6 #define ROOT_PORT_RESET_INTERRUPT 4 #define SUSPEND_REQUEST_INTERRUPT 3 #define SUSPEND_REQUEST_CHANGE_INTERRUPT 2 #define RESUME_INTERRUPT 1 #define SOF_INTERRUPT 0 /* offset 0x0030 */ u32 idxaddr; u32 idxdata; u32 fifoctl; #define PCI_BASE2_RANGE 16 #define IGNORE_FIFO_AVAILABILITY 3 #define PCI_BASE2_SELECT 2 #define FIFO_CONFIGURATION_SELECT 0 u32 _unused2; /* offset 0x0040 */ u32 memaddr; #define START 28 #define DIRECTION 27 #define FIFO_DIAGNOSTIC_SELECT 24 #define MEMORY_ADDRESS 0 u32 memdata0; u32 memdata1; u32 _unused3; /* offset 0x0050 */ u32 gpioctl; #define GPIO3_LED_SELECT 12 #define GPIO3_INTERRUPT_ENABLE 11 #define GPIO2_INTERRUPT_ENABLE 10 #define GPIO1_INTERRUPT_ENABLE 9 #define GPIO0_INTERRUPT_ENABLE 8 #define GPIO3_OUTPUT_ENABLE 7 #define GPIO2_OUTPUT_ENABLE 6 #define GPIO1_OUTPUT_ENABLE 5 #define GPIO0_OUTPUT_ENABLE 4 #define GPIO3_DATA 3 #define GPIO2_DATA 2 #define GPIO1_DATA 1 #define GPIO0_DATA 0 u32 gpiostat; #define GPIO3_INTERRUPT 3 #define GPIO2_INTERRUPT 2 #define GPIO1_INTERRUPT 1 #define GPIO0_INTERRUPT 0 } __attribute__ ((packed)); /* usb control, BAR0 + 0x0080 */ struct net2280_usb_regs { /* offset 0x0080 */ u32 stdrsp; #define STALL_UNSUPPORTED_REQUESTS 31 #define SET_TEST_MODE 16 #define GET_OTHER_SPEED_CONFIGURATION 15 #define GET_DEVICE_QUALIFIER 14 #define SET_ADDRESS 13 #define ENDPOINT_SET_CLEAR_HALT 12 #define DEVICE_SET_CLEAR_DEVICE_REMOTE_WAKEUP 11 #define GET_STRING_DESCRIPTOR_2 10 #define GET_STRING_DESCRIPTOR_1 9 #define GET_STRING_DESCRIPTOR_0 8 #define GET_SET_INTERFACE 6 #define GET_SET_CONFIGURATION 5 #define GET_CONFIGURATION_DESCRIPTOR 4 #define GET_DEVICE_DESCRIPTOR 3 #define GET_ENDPOINT_STATUS 2 #define GET_INTERFACE_STATUS 1 #define GET_DEVICE_STATUS 0 u32 prodvendid; #define PRODUCT_ID 16 #define VENDOR_ID 0 u32 relnum; u32 usbctl; #define SERIAL_NUMBER_INDEX 16 #define PRODUCT_ID_STRING_ENABLE 13 #define VENDOR_ID_STRING_ENABLE 12 #define USB_ROOT_PORT_WAKEUP_ENABLE 11 #define VBUS_PIN 10 #define TIMED_DISCONNECT 9 #define SUSPEND_IMMEDIATELY 7 #define SELF_POWERED_USB_DEVICE 6 #define REMOTE_WAKEUP_SUPPORT 5 #define PME_POLARITY 4 #define USB_DETECT_ENABLE 3 #define PME_WAKEUP_ENABLE 2 #define DEVICE_REMOTE_WAKEUP_ENABLE 1 #define SELF_POWERED_STATUS 0 /* offset 0x0090 */ u32 usbstat; #define HIGH_SPEED 7 #define FULL_SPEED 6 #define GENERATE_RESUME 5 #define GENERATE_DEVICE_REMOTE_WAKEUP 4 u32 xcvrdiag; #define FORCE_HIGH_SPEED_MODE 31 #define FORCE_FULL_SPEED_MODE 30 #define USB_TEST_MODE 24 #define LINE_STATE 16 #define TRANSCEIVER_OPERATION_MODE 2 #define TRANSCEIVER_SELECT 1 #define TERMINATION_SELECT 0 u32 setup0123; u32 setup4567; /* offset 0x0090 */ u32 _unused0; u32 ouraddr; #define FORCE_IMMEDIATE 7 #define OUR_USB_ADDRESS 0 u32 ourconfig; } __attribute__ ((packed)); /* pci control, BAR0 + 0x0100 */ struct net2280_pci_regs { /* offset 0x0100 */ u32 pcimstctl; #define PCI_ARBITER_PARK_SELECT 13 #define PCI_MULTI LEVEL_ARBITER 12 #define PCI_RETRY_ABORT_ENABLE 11 #define DMA_MEMORY_WRITE_AND_INVALIDATE_ENABLE 10 #define DMA_READ_MULTIPLE_ENABLE 9 #define DMA_READ_LINE_ENABLE 8 #define PCI_MASTER_COMMAND_SELECT 6 #define MEM_READ_OR_WRITE 0 #define IO_READ_OR_WRITE 1 #define CFG_READ_OR_WRITE 2 #define PCI_MASTER_START 5 #define PCI_MASTER_READ_WRITE 4 #define PCI_MASTER_WRITE 0 #define PCI_MASTER_READ 1 #define PCI_MASTER_BYTE_WRITE_ENABLES 0 u32 pcimstaddr; u32 pcimstdata; u32 pcimststat; #define PCI_ARBITER_CLEAR 2 #define PCI_EXTERNAL_ARBITER 1 #define PCI_HOST_MODE 0 } __attribute__ ((packed)); /* dma control, BAR0 + 0x0180 ... array of four structs like this, * for channels 0..3. see also struct net2280_dma: descriptor * that can be loaded into some of these registers. */ struct net2280_dma_regs { /* [11.7] */ /* offset 0x0180, 0x01a0, 0x01c0, 0x01e0, */ u32 dmactl; #define DMA_SCATTER_GATHER_DONE_INTERRUPT_ENABLE 25 #define DMA_CLEAR_COUNT_ENABLE 21 #define DESCRIPTOR_POLLING_RATE 19 #define POLL_CONTINUOUS 0 #define POLL_1_USEC 1 #define POLL_100_USEC 2 #define POLL_1_MSEC 3 #define DMA_VALID_BIT_POLLING_ENABLE 18 #define DMA_VALID_BIT_ENABLE 17 #define DMA_SCATTER_GATHER_ENABLE 16 #define DMA_OUT_AUTO_START_ENABLE 4 #define DMA_PREEMPT_ENABLE 3 #define DMA_FIFO_VALIDATE 2 #define DMA_ENABLE 1 #define DMA_ADDRESS_HOLD 0 u32 dmastat; #define DMA_ABORT_DONE_INTERRUPT 27 #define DMA_SCATTER_GATHER_DONE_INTERRUPT 25 #define DMA_TRANSACTION_DONE_INTERRUPT 24 #define DMA_ABORT 1 #define DMA_START 0 u32 _unused0[2]; /* offset 0x0190, 0x01b0, 0x01d0, 0x01f0, */ u32 dmacount; #define VALID_BIT 31 #define DMA_DIRECTION 30 #define DMA_DONE_INTERRUPT_ENABLE 29 #define END_OF_CHAIN 28 #define DMA_BYTE_COUNT_MASK ((1<<24)-1) #define DMA_BYTE_COUNT 0 u32 dmaaddr; u32 dmadesc; u32 _unused1; } __attribute__ ((packed)); /* dedicated endpoint registers, BAR0 + 0x0200 */ struct net2280_dep_regs { /* [11.8] */ /* offset 0x0200, 0x0210, 0x220, 0x230, 0x240 */ u32 dep_cfg; /* offset 0x0204, 0x0214, 0x224, 0x234, 0x244 */ u32 dep_rsp; u32 _unused[2]; } __attribute__ ((packed)); /* configurable endpoint registers, BAR0 + 0x0300 ... array of seven structs * like this, for ep0 then the configurable endpoints A..F * ep0 reserved for control; E and F have only 64 bytes of fifo */ struct net2280_ep_regs { /* [11.9] */ /* offset 0x0300, 0x0320, 0x0340, 0x0360, 0x0380, 0x03a0, 0x03c0 */ u32 ep_cfg; #define ENDPOINT_BYTE_COUNT 16 #define ENDPOINT_ENABLE 10 #define ENDPOINT_TYPE 8 #define ENDPOINT_DIRECTION 7 #define ENDPOINT_NUMBER 0 u32 ep_rsp; #define SET_NAK_OUT_PACKETS 15 #define SET_EP_HIDE_STATUS_PHASE 14 #define SET_EP_FORCE_CRC_ERROR 13 #define SET_INTERRUPT_MODE 12 #define SET_CONTROL_STATUS_PHASE_HANDSHAKE 11 #define SET_NAK_OUT_PACKETS_MODE 10 #define SET_ENDPOINT_TOGGLE 9 #define SET_ENDPOINT_HALT 8 #define CLEAR_NAK_OUT_PACKETS 7 #define CLEAR_EP_HIDE_STATUS_PHASE 6 #define CLEAR_EP_FORCE_CRC_ERROR 5 #define CLEAR_INTERRUPT_MODE 4 #define CLEAR_CONTROL_STATUS_PHASE_HANDSHAKE 3 #define CLEAR_NAK_OUT_PACKETS_MODE 2 #define CLEAR_ENDPOINT_TOGGLE 1 #define CLEAR_ENDPOINT_HALT 0 u32 ep_irqenb; #define SHORT_PACKET_OUT_DONE_INTERRUPT_ENABLE 6 #define SHORT_PACKET_TRANSFERRED_INTERRUPT_ENABLE 5 #define DATA_PACKET_RECEIVED_INTERRUPT_ENABLE 3 #define DATA_PACKET_TRANSMITTED_INTERRUPT_ENABLE 2 #define DATA_OUT_PING_TOKEN_INTERRUPT_ENABLE 1 #define DATA_IN_TOKEN_INTERRUPT_ENABLE 0 u32 ep_stat; #define FIFO_VALID_COUNT 24 #define HIGH_BANDWIDTH_OUT_TRANSACTION_PID 22 #define TIMEOUT 21 #define USB_STALL_SENT 20 #define USB_IN_NAK_SENT 19 #define USB_IN_ACK_RCVD 18 #define USB_OUT_PING_NAK_SENT 17 #define USB_OUT_ACK_SENT 16 #define FIFO_OVERFLOW 13 #define FIFO_UNDERFLOW 12 #define FIFO_FULL 11 #define FIFO_EMPTY 10 #define FIFO_FLUSH 9 #define SHORT_PACKET_OUT_DONE_INTERRUPT 6 #define SHORT_PACKET_TRANSFERRED_INTERRUPT 5 #define NAK_OUT_PACKETS 4 #define DATA_PACKET_RECEIVED_INTERRUPT 3 #define DATA_PACKET_TRANSMITTED_INTERRUPT 2 #define DATA_OUT_PING_TOKEN_INTERRUPT 1 #define DATA_IN_TOKEN_INTERRUPT 0 /* offset 0x0310, 0x0330, 0x0350, 0x0370, 0x0390, 0x03b0, 0x03d0 */ u32 ep_avail; u32 ep_data; u32 _unused0[2]; } __attribute__ ((packed)); #endif /* __LINUX_USB_NET2280_H */
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