--- /dev/null
+/*
+ * wanXL serial card driver for Linux
+ * definitions common to host driver and card firmware
+ *
+ * Copyright (C) 2003 Krzysztof Halasa <khc@pm.waw.pl>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License
+ * as published by the Free Software Foundation.
+ */
+
+#define RESET_WHILE_LOADING 0
+
+/* you must rebuild the firmware if any of the following is changed */
+#define DETECT_RAM 0 /* needed for > 4MB RAM, 16 MB maximum */
+#define QUICC_MEMCPY_USES_PLX 1 /* must be used if the host has > 256 MB RAM */
+
+
+#define STATUS_CABLE_V35 2
+#define STATUS_CABLE_X21 3
+#define STATUS_CABLE_V24 4
+#define STATUS_CABLE_EIA530 5
+#define STATUS_CABLE_INVALID 6
+#define STATUS_CABLE_NONE 7
+
+#define STATUS_CABLE_DCE 0x8000
+#define STATUS_CABLE_DSR 0x0010
+#define STATUS_CABLE_DCD 0x0008
+#define STATUS_CABLE_PM_SHIFT 5
+
+#define PDM_OFFSET 0x1000
+
+#define TX_BUFFERS 10 /* per port */
+#define RX_BUFFERS 30
+#define RX_QUEUE_LENGTH 40 /* card->host queue length - per card */
+
+#define PACKET_EMPTY 0x00
+#define PACKET_FULL 0x10
+#define PACKET_SENT 0x20 /* TX only */
+#define PACKET_UNDERRUN 0x30 /* TX only */
+#define PACKET_PORT_MASK 0x03 /* RX only */
+
+/* bit numbers in PLX9060 doorbell registers */
+#define DOORBELL_FROM_CARD_TX_0 0 /* packet sent by the card */
+#define DOORBELL_FROM_CARD_TX_1 1
+#define DOORBELL_FROM_CARD_TX_2 2
+#define DOORBELL_FROM_CARD_TX_3 3
+#define DOORBELL_FROM_CARD_RX 4
+#define DOORBELL_FROM_CARD_CABLE_0 5 /* cable/PM/etc. changed */
+#define DOORBELL_FROM_CARD_CABLE_1 6
+#define DOORBELL_FROM_CARD_CABLE_2 7
+#define DOORBELL_FROM_CARD_CABLE_3 8
+
+#define DOORBELL_TO_CARD_OPEN_0 0
+#define DOORBELL_TO_CARD_OPEN_1 1
+#define DOORBELL_TO_CARD_OPEN_2 2
+#define DOORBELL_TO_CARD_OPEN_3 3
+#define DOORBELL_TO_CARD_CLOSE_0 4
+#define DOORBELL_TO_CARD_CLOSE_1 5
+#define DOORBELL_TO_CARD_CLOSE_2 6
+#define DOORBELL_TO_CARD_CLOSE_3 7
+#define DOORBELL_TO_CARD_TX_0 8 /* outbound packet queued */
+#define DOORBELL_TO_CARD_TX_1 9
+#define DOORBELL_TO_CARD_TX_2 10
+#define DOORBELL_TO_CARD_TX_3 11
+
+/* firmware-only status bits, starting from last DOORBELL_TO_CARD + 1 */
+#define TASK_SCC_0 12
+#define TASK_SCC_1 13
+#define TASK_SCC_2 14
+#define TASK_SCC_3 15
+
+#define ALIGN32(x) (((x) + 3) & 0xFFFFFFFC)
+#define BUFFER_LENGTH ALIGN32(HDLC_MAX_MRU + 4) /* 4 bytes for 32-bit CRC */
+
+/* Address of TX and RX buffers in 68360 address space */
+#define BUFFERS_ADDR 0x4000 /* 16 KB */
+
+#ifndef __ASSEMBLER__
+#define PLX_OFFSET 0
+#else
+#define PLX_OFFSET PLX + 0x80
+#endif
+
+#define PLX_MAILBOX_0 (PLX_OFFSET + 0x40)
+#define PLX_MAILBOX_1 (PLX_OFFSET + 0x44)
+#define PLX_MAILBOX_2 (PLX_OFFSET + 0x48)
+#define PLX_MAILBOX_3 (PLX_OFFSET + 0x4C)
+#define PLX_MAILBOX_4 (PLX_OFFSET + 0x50)
+#define PLX_MAILBOX_5 (PLX_OFFSET + 0x54)
+#define PLX_MAILBOX_6 (PLX_OFFSET + 0x58)
+#define PLX_MAILBOX_7 (PLX_OFFSET + 0x5C)
+#define PLX_DOORBELL_TO_CARD (PLX_OFFSET + 0x60)
+#define PLX_DOORBELL_FROM_CARD (PLX_OFFSET + 0x64)
+#define PLX_INTERRUPT_CS (PLX_OFFSET + 0x68)
+#define PLX_CONTROL (PLX_OFFSET + 0x6C)
+
+#ifdef __ASSEMBLER__
+#define PLX_DMA_0_MODE (PLX + 0x100)
+#define PLX_DMA_0_PCI (PLX + 0x104)
+#define PLX_DMA_0_LOCAL (PLX + 0x108)
+#define PLX_DMA_0_LENGTH (PLX + 0x10C)
+#define PLX_DMA_0_DESC (PLX + 0x110)
+#define PLX_DMA_1_MODE (PLX + 0x114)
+#define PLX_DMA_1_PCI (PLX + 0x118)
+#define PLX_DMA_1_LOCAL (PLX + 0x11C)
+#define PLX_DMA_1_LENGTH (PLX + 0x120)
+#define PLX_DMA_1_DESC (PLX + 0x124)
+#define PLX_DMA_CMD_STS (PLX + 0x128)
+#define PLX_DMA_ARBITR_0 (PLX + 0x12C)
+#define PLX_DMA_ARBITR_1 (PLX + 0x130)
+#endif
+
+#define DESC_LENGTH 12
+
+/* offsets from start of status_t */
+/* card to host */
+#define STATUS_OPEN 0
+#define STATUS_CABLE (STATUS_OPEN + 4)
+#define STATUS_RX_OVERRUNS (STATUS_CABLE + 4)
+#define STATUS_RX_FRAME_ERRORS (STATUS_RX_OVERRUNS + 4)
+
+/* host to card */
+#define STATUS_PARITY (STATUS_RX_FRAME_ERRORS + 4)
+#define STATUS_ENCODING (STATUS_PARITY + 4)
+#define STATUS_CLOCKING (STATUS_ENCODING + 4)
+#define STATUS_TX_DESCS (STATUS_CLOCKING + 4)
+
+#ifndef __ASSEMBLER__
+
+typedef struct {
+ volatile u32 stat;
+ u32 address; /* PCI address */
+ volatile u32 length;
+}desc_t;
+
+
+typedef struct {
+// Card to host
+ volatile u32 open;
+ volatile u32 cable;
+ volatile u32 rx_overruns;
+ volatile u32 rx_frame_errors;
+
+// Host to card
+ u32 parity;
+ u32 encoding;
+ u32 clocking;
+ desc_t tx_descs[TX_BUFFERS];
+}port_status_t;
+
+#endif /* __ASSEMBLER__ */
Code Review / kvmfornfv.git / blobdiff