/* $OpenBSD: if_san_xilinx.h,v 1.3 2004/06/28 01:16:30 mcbride Exp $ */ /*- * Copyright (c) 2001-2004 Sangoma Technologies (SAN) * All rights reserved. www.sangoma.com * * This code is written by Nenad Corbic for SAN. * The code is derived from permitted modifications to software created * by Alex Feldman (al.feldman@sangoma.com). * * 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, 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. * 3. Neither the name of Sangoma Technologies nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY SANGOMA TECHNOLOGIES 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 FOUNDATION 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. */ #ifndef __IF_SAN_XILINX_H #define __IF_SAN_XILINX_H #define XILINX_CHIP_CFG_REG 0x40 #define XILINX_MCPU_INTERFACE 0x44 #define XILINX_MCPU_INTERFACE_ADDR 0x46 #define XILINX_GLOBAL_INTER_MASK 0x4C #define XILINX_HDLC_TX_INTR_PENDING_REG 0x50 #define XILINX_HDLC_RX_INTR_PENDING_REG 0x54 enum { WP_FIFO_ERROR_BIT, WP_CRC_ERROR_BIT, WP_ABORT_ERROR_BIT, }; #define WP_MAX_FIFO_FRAMES 7 #define XILINX_DMA_TX_INTR_PENDING_REG 0x58 #define XILINX_DMA_RX_INTR_PENDING_REG 0x5C #define XILINX_TIMESLOT_HDLC_CHAN_REG 0x60 #define AFT_T3_RXTX_ADDR_SELECT_REG 0x60 #define XILINX_CURRENT_TIMESLOT_MASK 0x00001F00 #define XILINX_CURRENT_TIMESLOT_SHIFT 8 #define XILINX_HDLC_CONTROL_REG 0x64 #define XILINX_HDLC_ADDR_REG 0x68 #define XILINX_CONTROL_RAM_ACCESS_BUF 0x6C #define XILINX_DMA_CONTROL_REG 0x70 #define XILINX_DMA_TX_STATUS_REG 0x74 #define AFT_TE3_TX_WDT_CTRL_REG 0x74 #define XILINX_DMA_RX_STATUS_REG 0x78 #define AFT_TE3_RX_WDT_CTRL_REG 0x78 #define XILINX_DMA_DATA_REG 0x7C #define AFT_TE3_CRNT_DMA_DESC_ADDR_REG 0x80 #define XILINX_TxDMA_DESCRIPTOR_LO 0x100 #define XILINX_TxDMA_DESCRIPTOR_HI 0x104 #define XILINX_RxDMA_DESCRIPTOR_LO 0x108 #define XILINX_RxDMA_DESCRIPTOR_HI 0x10C #define INTERFACE_TYPE_T1_E1_BIT 0 #define INTERFACE_TYPE_T3_E3_BIT 0 #define XILINX_RED_LED 1 #define AFT_T3_HDLC_TRANS_MODE 1 #define FRONT_END_FRAME_FLAG_ENABLE_BIT 2 #define AFT_T3_CLOCK_MODE 2 #define SIGNALLING_ENABLE_BIT 3 #define FRONT_END_RESET_BIT 4 #define CHIP_RESET_BIT 5 #define HDLC_CORE_RESET_BIT 6 #define HDLC_CORE_READY_FLAG_BIT 7 #define GLOBAL_INTR_ENABLE_BIT 8 #define ERROR_INTR_ENABLE_BIT 9 #define FRONT_END_INTR_ENABLE_BIT 10 #define CHIP_ERROR_MASK 0x00FF0000 #define AFT_TE3_TX_WDT_INTR_PND 26 #define AFT_TE3_RX_WDT_INTR_PND 27 #define FRONT_END_INTR_FLAG 28 #define SECURITY_STATUS_FLAG 29 #define ERROR_INTR_FLAG 30 #define DMA_INTR_FLAG 31 #define XILINX_GLOBAL_INTER_STATUS 0xD0000000 #define TIMESLOT_BIT_SHIFT 16 #define TIMESLOT_BIT_MASK 0x001F0000 #define HDLC_LOGIC_CH_BIT_MASK 0x0000001F #define HDLC_LCH_TIMESLOT_MASK 0x001F001F #define HDLC_RX_CHAN_ENABLE_BIT 0 #define HDLC_RX_FRAME_DATA_BIT 1 #define HDLC_RC_CHAN_ACTIVE_BIT 2 #define HDLC_RX_FRAME_ERROR_BIT 3 #define HDLC_RX_FRAME_ABORT_BIT 4 #define HDLC_RX_PROT_DISABLE_BIT 16 #define HDLC_RX_ADDR_RECOGN_DIS_BIT 17 #define HDLC_RX_ADDR_FIELD_DISC_BIT 18 #define HDLC_RX_ADDR_SIZE_BIT 19 #define HDLC_RX_BRD_ADDR_MATCH_BIT 20 #define HDLC_RX_FCS_SIZE_BIT 21 #define HDLC_CORE_RX_IDLE_LINE_BIT 22 #define HDLC_CODE_RX_ABORT_LINE_BIT 23 #define HDLC_TX_CHAN_ENABLE_BIT 24 #define HDLC_TX_PROT_DISABLE_BIT 25 #define HDLC_TX_ADDR_INSERTION_BIT 26 #define HDLC_TX_ADDR_SIZE_BIT 27 #define HDLC_TX_FCS_SIZE_BIT 28 #define HDLC_TX_FRAME_ABORT_BIT 29 #define HDLC_TX_STOP_TX_ON_ABORT_BIT 30 #define HDLC_TX_CHANNEL_ACTIVE_BIT 31 #define CONTROL_RAM_DATA_MASK 0x0000001F #define HDLC_FIFO_BASE_ADDR_SHIFT 16 #define HDLC_FIFO_BASE_ADDR_MASK 0x1F #define HDLC_FIFO_SIZE_SHIFT 8 #define HDLC_FIFO_SIZE_MASK 0x1F #define HDLC_FREE_LOGIC_CH 31 #define TRANSPARENT_MODE_BIT 31 #define DMA_SIZE_BIT_SHIFT 0 #define DMA_FIFO_HI_MARK_BIT_SHIFT 4 #define DMA_FIFO_LO_MARK_BIT_SHIFT 8 #define DMA_FIFO_T3_MARK_BIT_SHIFT 8 #define DMA_ACTIVE_CHANNEL_BIT_SHIFT 16 #define DMA_ACTIVE_CHANNEL_BIT_MASK 0xFFE0FFFF #define DMA_ENGINE_ENABLE_BIT 31 #define DMA_CHAIN_TE3_MASK 0x0000000F #define TxDMA_LO_PC_ADDR_PTR_BIT_MASK 0xFFFFFFFC #define TxDMA_LO_ALIGNMENT_BIT_MASK 0x00000003 #define TxDMA_HI_DMA_DATA_LENGTH_MASK 0x000007FF #define TxDMA_HI_DMA_PCI_ERROR_MASK 0x00007800 #define TxDMA_HI_DMA_PCI_ERROR_M_ABRT 0x00000800 #define TxDMA_HI_DMA_PCI_ERROR_T_ABRT 0x00001000 #define TxDMA_HI_DMA_PCI_ERROR_DS_TOUT 0x00002000 #define TxDMA_HI_DMA_PCI_ERROR_RETRY_TOUT 0x00004000 #define INIT_DMA_FIFO_CMD_BIT 28 #define TxDMA_HI_DMA_FRAME_START_BIT 30 #define TxDMA_HI_DMA_FRAME_END_BIT 29 #define TxDMA_HI_DMA_GO_READY_BIT 31 #define DMA_FIFO_BASE_ADDR_SHIFT 20 #define DMA_FIFO_BASE_ADDR_MASK 0x1F #define DMA_FIFO_SIZE_SHIFT 15 #define DMA_FIFO_SIZE_MASK 0x1F #define DMA_FIFO_PARAM_CLEAR_MASK 0xFE007FFF #define FIFO_32B 0x00 #define FIFO_64B 0x01 #define FIFO_128B 0x03 #define FIFO_256B 0x07 #define FIFO_512B 0x0F #define FIFO_1024B 0x1F #define RxDMA_LO_PC_ADDR_PTR_BIT_MASK 0xFFFFFFFC #define RxDMA_LO_ALIGNMENT_BIT_MASK 0x00000003 #define RxDMA_HI_DMA_DATA_LENGTH_MASK 0x000007FF #define RxDMA_HI_DMA_PCI_ERROR_MASK 0x00007800 #define RxDMA_HI_DMA_PCI_ERROR_M_ABRT 0x00000800 #define RxDMA_HI_DMA_PCI_ERROR_T_ABRT 0x00001000 #define RxDMA_HI_DMA_PCI_ERROR_DS_TOUT 0x00002000 #define RxDMA_HI_DMA_PCI_ERROR_RETRY_TOUT 0x00004000 #define RxDMA_HI_DMA_COMMAND_BIT_SHIFT 28 #define RxDMA_HI_DMA_FRAME_START_BIT 30 #define RxDMA_HI_DMA_CRC_ERROR_BIT 25 #define RxDMA_HI_DMA_FRAME_ABORT_BIT 26 #define RxDMA_HI_DMA_FRAME_END_BIT 29 #define RxDMA_HI_DMA_GO_READY_BIT 31 #define DMA_HI_TE3_INTR_DISABLE_BIT 27 #define DMA_HI_TE3_NOT_LAST_FRAME_BIT 24 #define AFT_TE3_CRNT_TX_DMA_MASK 0x0000000F #define AFT_TE3_CRNT_RX_DMA_MASK 0x000000F0 #define AFT_TE3_CRNT_RX_DMA_SHIFT 4 typedef struct xilinx_config { unsigned long xilinx_chip_cfg_reg; unsigned long xilinx_dma_control_reg; } xilinx_config_t; #define XILINX_DMA_SIZE 10 #define XILINX_DMA_FIFO_UP 8 #define XILINX_DMA_FIFO_LO 8 #define AFT_T3_DMA_FIFO_MARK 8 #define XILINX_DEFLT_ACTIVE_CH 0 #define MAX_XILINX_TX_DMA_SIZE 0xFFFF #define MIN_WP_PRI_MTU 128 #define DEFAULT_WP_PRI_MTU 1500 #define MAX_WP_PRI_MTU 8188 #define MAX_DATA_SIZE 2000 struct sdla_hdlc_api { unsigned int cmd; unsigned short len; unsigned char bar; unsigned short offset; unsigned char data[MAX_DATA_SIZE]; }; #pragma pack(1) typedef struct { unsigned char error_flag; unsigned short time_stamp; unsigned char reserved[13]; } api_rx_hdr_t; typedef struct { api_rx_hdr_t api_rx_hdr; unsigned char data[1]; } api_rx_element_t; typedef struct { unsigned char attr; unsigned char misc_Tx_bits; unsigned char reserved[14]; } api_tx_hdr_t; typedef struct { api_tx_hdr_t api_tx_hdr; unsigned char data[1]; } api_tx_element_t; #pragma pack() #undef wan_udphdr_data #define wan_udphdr_data wan_udphdr_u.aft.data #define PMC_CONTROL_REG 0x00 #define PMC_RESET_BIT 0 #define PMC_CLOCK_SELECT 1 #define LED_CONTROL_REG 0x01 #define JP8_VALUE 0x02 #define JP7_VALUE 0x01 #define SW0_VALUE 0x04 #define SW1_VALUE 0x08 #define SECURITY_CPLD_REG 0x09 #define SECURITY_CPLD_MASK 0x03 #define SECURITY_CPLD_SHIFT 0x02 #define SECURITY_1LINE_UNCH 0x00 #define SECURITY_1LINE_CH 0x01 #define SECURITY_2LINE_UNCH 0x02 #define SECURITY_2LINE_CH 0x03 #define WRITE_DEF_SECTOR_DSBL 0x01 #define FRONT_END_TYPE_MASK 0x38 #define BIT_DEV_ADDR_CLEAR 0x600 #define BIT_DEV_ADDR_CPLD 0x200 #define MEMORY_TYPE_SRAM 0x00 #define MEMORY_TYPE_FLASH 0x01 #define MASK_MEMORY_TYPE_SRAM 0x10 #define MASK_MEMORY_TYPE_FLASH 0x20 #define BIT_A18_SECTOR_SA4_SA7 0x20 #define USER_SECTOR_START_ADDR 0x40000 #define MAX_TRACE_QUEUE 100 #define MAX_TRACE_BUFFER (MAX_LGTH_UDP_MGNT_PKT - \ sizeof(iphdr_t) - \ sizeof(udphdr_t) - \ sizeof(wan_mgmt_t) - \ sizeof(wan_trace_info_t) - \ sizeof(wan_cmd_t)) enum { ROUTER_UP_TIME = 0x50, ENABLE_TRACING, DISABLE_TRACING, GET_TRACE_INFO, READ_CODE_VERSION, FLUSH_OPERATIONAL_STATS, OPERATIONAL_STATS, READ_OPERATIONAL_STATS, READ_CONFIGURATION, COMMS_ERROR_STATS_STRUCT, AFT_LINK_STATUS }; #define UDPMGMT_SIGNATURE "AFTPIPEA" typedef struct { unsigned char flag; unsigned short length; unsigned char rsrv0[2]; unsigned char attr; unsigned short tmstamp; unsigned char rsrv1[4]; unsigned long offset; } aft_trc_el_t; typedef struct wp_rx_element { unsigned long dma_addr; unsigned int reg; unsigned int align; unsigned char pkt_error; }wp_rx_element_t; #if defined(_KERNEL) static __inline unsigned short xilinx_valid_mtu(unsigned short mtu) { if (mtu <= 128) { return 128; } else if (mtu <= 256) { return 256; } else if (mtu <= 512) { return 512; } else if (mtu <= 1024) { return 1024; } else if (mtu <= 2048) { return 2048; } else if (mtu <= 4096) { return 4096; } else if (mtu <= 8188) { return 8188; } else { return 0; } } static __inline unsigned short xilinx_dma_buf_bits(unsigned short dma_bufs) { if (dma_bufs < 2) { return 0; } else if (dma_bufs < 3) { return 1; } else if (dma_bufs < 5) { return 2; } else if (dma_bufs < 9) { return 3; } else if (dma_bufs < 17) { return 4; } else { return 0; } } #define AFT_TX_TIMEOUT 25 #define AFT_RX_TIMEOUT 10 #define AFT_MAX_WTD_TIMEOUT 250 static __inline void aft_reset_rx_watchdog(sdla_t *card) { sdla_bus_write_4(card->hw,AFT_TE3_RX_WDT_CTRL_REG,0); } static __inline void aft_enable_rx_watchdog(sdla_t *card, unsigned char timeout) { aft_reset_rx_watchdog(card); sdla_bus_write_4(card->hw,AFT_TE3_RX_WDT_CTRL_REG,timeout); } static __inline void aft_reset_tx_watchdog(sdla_t *card) { sdla_bus_write_4(card->hw,AFT_TE3_TX_WDT_CTRL_REG,0); } static __inline void aft_enable_tx_watchdog(sdla_t *card, unsigned char timeout) { aft_reset_tx_watchdog(card); sdla_bus_write_4(card->hw,AFT_TE3_TX_WDT_CTRL_REG,timeout); } #endif #endif