add bnx2x driver for BCM57710

Signed-off-by: Eliezer Tamir <eliezert@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 564 insertions, 0 deletions

diff --git a/drivers/net/bnx2x_init.h b/drivers/net/bnx2x_init.h
new file mode 100644
index 000000000000..04f93bff2ef4
--- /dev/null
+++ b/drivers/net/bnx2x_init.h
@@ -0,0 +1,564 @@
+/* bnx2x_init.h: Broadcom Everest network driver.
+ *
+ * Copyright (c) 2007 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation.
+ *
+ * Written by: Eliezer Tamir <eliezert@broadcom.com>
+ */
+
+#ifndef BNX2X_INIT_H
+#define BNX2X_INIT_H
+
+#define COMMON				0x1
+#define PORT0				0x2
+#define PORT1				0x4
+
+#define INIT_EMULATION			0x1
+#define INIT_FPGA			0x2
+#define INIT_ASIC			0x4
+#define INIT_HARDWARE			0x7
+
+#define STORM_INTMEM_SIZE		(0x5800 / 4)
+#define TSTORM_INTMEM_ADDR		0x1a0000
+#define CSTORM_INTMEM_ADDR		0x220000
+#define XSTORM_INTMEM_ADDR		0x2a0000
+#define USTORM_INTMEM_ADDR		0x320000
+
+
+/* Init operation types and structures */
+
+#define OP_RD			0x1 /* read single register */
+#define OP_WR			0x2 /* write single register */
+#define OP_IW			0x3 /* write single register using mailbox */
+#define OP_SW			0x4 /* copy a string to the device */
+#define OP_SI			0x5 /* copy a string using mailbox */
+#define OP_ZR			0x6 /* clear memory */
+#define OP_ZP			0x7 /* unzip then copy with DMAE */
+#define OP_WB			0x8 /* copy a string using DMAE */
+
+struct raw_op {
+	u32 op		:8;
+	u32 offset	:24;
+	u32 raw_data;
+};
+
+struct op_read {
+	u32 op		:8;
+	u32 offset	:24;
+	u32 pad;
+};
+
+struct op_write {
+	u32 op		:8;
+	u32 offset	:24;
+	u32 val;
+};
+
+struct op_string_write {
+	u32 op		:8;
+	u32 offset	:24;
+#ifdef __LITTLE_ENDIAN
+	u16 data_off;
+	u16 data_len;
+#else /* __BIG_ENDIAN */
+	u16 data_len;
+	u16 data_off;
+#endif
+};
+
+struct op_zero {
+	u32 op		:8;
+	u32 offset	:24;
+	u32 len;
+};
+
+union init_op {
+	struct op_read		read;
+	struct op_write		write;
+	struct op_string_write	str_wr;
+	struct op_zero		zero;
+	struct raw_op		raw;
+};
+
+#include "bnx2x_init_values.h"
+
+static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val);
+
+static void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr,
+			     u32 dst_addr, u32 len32);
+
+static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len);
+
+static void bnx2x_init_str_wr(struct bnx2x *bp, u32 addr, const u32 *data,
+			      u32 len)
+{
+	int i;
+
+	for (i = 0; i < len; i++) {
+		REG_WR(bp, addr + i*4, data[i]);
+		if (!(i % 10000)) {
+			touch_softlockup_watchdog();
+			cpu_relax();
+		}
+	}
+}
+
+#define INIT_MEM_WR(reg, data, reg_off, len) \
+	bnx2x_init_str_wr(bp, reg + reg_off*4, data, len)
+
+static void bnx2x_init_ind_wr(struct bnx2x *bp, u32 addr, const u32 *data,
+			      u16 len)
+{
+	int i;
+
+	for (i = 0; i < len; i++) {
+		REG_WR_IND(bp, addr + i*4, data[i]);
+		if (!(i % 10000)) {
+			touch_softlockup_watchdog();
+			cpu_relax();
+		}
+	}
+}
+
+static void bnx2x_init_wr_wb(struct bnx2x *bp, u32 addr, const u32 *data,
+			     u32 len, int gunzip)
+{
+	int offset = 0;
+
+	if (gunzip) {
+		int rc;
+#ifdef __BIG_ENDIAN
+		int i, size;
+		u32 *temp;
+
+		temp = kmalloc(len, GFP_KERNEL);
+		size = (len / 4) + ((len % 4) ? 1 : 0);
+		for (i = 0; i < size; i++)
+			temp[i] = swab32(data[i]);
+		data = temp;
+#endif
+		rc = bnx2x_gunzip(bp, (u8 *)data, len);
+		if (rc) {
+			DP(NETIF_MSG_HW, "gunzip failed ! rc %d\n", rc);
+			return;
+		}
+		len = bp->gunzip_outlen;
+#ifdef __BIG_ENDIAN
+		kfree(temp);
+		for (i = 0; i < len; i++)
+			 ((u32 *)bp->gunzip_buf)[i] =
+					swab32(((u32 *)bp->gunzip_buf)[i]);
+#endif
+	} else {
+		if ((len * 4) > FW_BUF_SIZE) {
+			BNX2X_ERR("LARGE DMAE OPERATION ! len 0x%x\n", len*4);
+			return;
+		}
+		memcpy(bp->gunzip_buf, data, len * 4);
+	}
+
+	while (len > DMAE_LEN32_MAX) {
+		bnx2x_write_dmae(bp, bp->gunzip_mapping + offset,
+				 addr + offset, DMAE_LEN32_MAX);
+		offset += DMAE_LEN32_MAX * 4;
+		len -= DMAE_LEN32_MAX;
+	}
+	bnx2x_write_dmae(bp, bp->gunzip_mapping + offset, addr + offset, len);
+}
+
+#define INIT_MEM_WB(reg, data, reg_off, len) \
+	bnx2x_init_wr_wb(bp, reg + reg_off*4, data, len, 0)
+
+#define INIT_GUNZIP_DMAE(reg, data, reg_off, len) \
+	bnx2x_init_wr_wb(bp, reg + reg_off*4, data, len, 1)
+
+static void bnx2x_init_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
+{
+	int offset = 0;
+
+	if ((len * 4) > FW_BUF_SIZE) {
+		BNX2X_ERR("LARGE DMAE OPERATION ! len 0x%x\n", len * 4);
+		return;
+	}
+	memset(bp->gunzip_buf, fill, len * 4);
+
+	while (len > DMAE_LEN32_MAX) {
+		bnx2x_write_dmae(bp, bp->gunzip_mapping + offset,
+				 addr + offset, DMAE_LEN32_MAX);
+		offset += DMAE_LEN32_MAX * 4;
+		len -= DMAE_LEN32_MAX;
+	}
+	bnx2x_write_dmae(bp, bp->gunzip_mapping + offset, addr + offset, len);
+}
+
+static void bnx2x_init_block(struct bnx2x *bp, u32 op_start, u32 op_end)
+{
+	int i;
+	union init_op *op;
+	u32 op_type, addr, len;
+	const u32 *data;
+
+	for (i = op_start; i < op_end; i++) {
+
+		op = (union init_op *)&(init_ops[i]);
+
+		op_type = op->str_wr.op;
+		addr = op->str_wr.offset;
+		len = op->str_wr.data_len;
+		data = init_data + op->str_wr.data_off;
+
+		switch (op_type) {
+		case OP_RD:
+			REG_RD(bp, addr);
+			break;
+		case OP_WR:
+			REG_WR(bp, addr, op->write.val);
+			break;
+		case OP_SW:
+			bnx2x_init_str_wr(bp, addr, data, len);
+			break;
+		case OP_WB:
+			bnx2x_init_wr_wb(bp, addr, data, len, 0);
+			break;
+		case OP_SI:
+			bnx2x_init_ind_wr(bp, addr, data, len);
+			break;
+		case OP_ZR:
+			bnx2x_init_fill(bp, addr, 0, op->zero.len);
+			break;
+		case OP_ZP:
+			bnx2x_init_wr_wb(bp, addr, data, len, 1);
+			break;
+		default:
+			BNX2X_ERR("BAD init operation!\n");
+		}
+	}
+}
+
+
+/****************************************************************************
+* PXP
+****************************************************************************/
+/*
+ * This code configures the PCI read/write arbiter
+ * which implements a wighted round robin
+ * between the virtual queues in the chip.
+ *
+ * The values were derived for each PCI max payload and max request size.
+ * since max payload and max request size are only known at run time,
+ * this is done as a separate init stage.
+ */
+
+#define NUM_WR_Q			13
+#define NUM_RD_Q			29
+#define MAX_RD_ORD			3
+#define MAX_WR_ORD			2
+
+/* configuration for one arbiter queue */
+struct arb_line {
+	int l;
+	int add;
+	int ubound;
+};
+
+/* derived configuration for each read queue for each max request size */
+static const struct arb_line read_arb_data[NUM_RD_Q][MAX_RD_ORD + 1] = {
+	{{8 , 64 , 25}, {16 , 64 , 25}, {32 , 64 , 25}, {64 , 64 , 41} },
+	{{4 , 8 , 4},   {4 , 8 , 4},    {4 , 8 , 4},    {4 , 8 , 4} },
+	{{4 , 3 , 3},   {4 , 3 , 3},    {4 , 3 , 3},    {4 , 3 , 3} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {16 , 3 , 11},  {16 , 3 , 11} },
+	{{8 , 64 , 25}, {16 , 64 , 25}, {32 , 64 , 25}, {64 , 64 , 41} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {64 , 3 , 41} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {64 , 3 , 41} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {64 , 3 , 41} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {64 , 3 , 41} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 3 , 6},   {16 , 3 , 11},  {32 , 3 , 21},  {32 , 3 , 21} },
+	{{8 , 64 , 25}, {16 , 64 , 41}, {32 , 64 , 81}, {64 , 64 , 120} }
+};
+
+/* derived configuration for each write queue for each max request size */
+static const struct arb_line write_arb_data[NUM_WR_Q][MAX_WR_ORD + 1] = {
+	{{4 , 6 , 3},   {4 , 6 , 3},    {4 , 6 , 3} },
+	{{4 , 2 , 3},   {4 , 2 , 3},    {4 , 2 , 3} },
+	{{8 , 2 , 6},   {16 , 2 , 11},  {16 , 2 , 11} },
+	{{8 , 2 , 6},   {16 , 2 , 11},  {32 , 2 , 21} },
+	{{8 , 2 , 6},   {16 , 2 , 11},  {32 , 2 , 21} },
+	{{8 , 2 , 6},   {16 , 2 , 11},  {32 , 2 , 21} },
+	{{8 , 64 , 25}, {16 , 64 , 25}, {32 , 64 , 25} },
+	{{8 , 2 , 6},   {16 , 2 , 11},  {16 , 2 , 11} },
+	{{8 , 2 , 6},   {16 , 2 , 11},  {16 , 2 , 11} },
+	{{8 , 9 , 6},   {16 , 9 , 11},  {32 , 9 , 21} },
+	{{8 , 47 , 19}, {16 , 47 , 19}, {32 , 47 , 21} },
+	{{8 , 9 , 6},   {16 , 9 , 11},  {16 , 9 , 11} },
+	{{8 , 64 , 25}, {16 , 64 , 41}, {32 , 64 , 81} }
+};
+
+/* register adresses for read queues */
+static const struct arb_line read_arb_addr[NUM_RD_Q-1] = {
+	{PXP2_REG_RQ_BW_RD_L0, PXP2_REG_RQ_BW_RD_ADD0,
+		PXP2_REG_RQ_BW_RD_UBOUND0},
+	{PXP2_REG_PSWRQ_BW_L1, PXP2_REG_PSWRQ_BW_ADD1,
+		PXP2_REG_PSWRQ_BW_UB1},
+	{PXP2_REG_PSWRQ_BW_L2, PXP2_REG_PSWRQ_BW_ADD2,
+		PXP2_REG_PSWRQ_BW_UB2},
+	{PXP2_REG_PSWRQ_BW_L3, PXP2_REG_PSWRQ_BW_ADD3,
+		PXP2_REG_PSWRQ_BW_UB3},
+	{PXP2_REG_RQ_BW_RD_L4, PXP2_REG_RQ_BW_RD_ADD4,
+		PXP2_REG_RQ_BW_RD_UBOUND4},
+	{PXP2_REG_RQ_BW_RD_L5, PXP2_REG_RQ_BW_RD_ADD5,
+		PXP2_REG_RQ_BW_RD_UBOUND5},
+	{PXP2_REG_PSWRQ_BW_L6, PXP2_REG_PSWRQ_BW_ADD6,
+		PXP2_REG_PSWRQ_BW_UB6},
+	{PXP2_REG_PSWRQ_BW_L7, PXP2_REG_PSWRQ_BW_ADD7,
+		PXP2_REG_PSWRQ_BW_UB7},
+	{PXP2_REG_PSWRQ_BW_L8, PXP2_REG_PSWRQ_BW_ADD8,
+		PXP2_REG_PSWRQ_BW_UB8},
+	{PXP2_REG_PSWRQ_BW_L9, PXP2_REG_PSWRQ_BW_ADD9,
+		PXP2_REG_PSWRQ_BW_UB9},
+	{PXP2_REG_PSWRQ_BW_L10, PXP2_REG_PSWRQ_BW_ADD10,
+		PXP2_REG_PSWRQ_BW_UB10},
+	{PXP2_REG_PSWRQ_BW_L11, PXP2_REG_PSWRQ_BW_ADD11,
+		PXP2_REG_PSWRQ_BW_UB11},
+	{PXP2_REG_RQ_BW_RD_L12, PXP2_REG_RQ_BW_RD_ADD12,
+		PXP2_REG_RQ_BW_RD_UBOUND12},
+	{PXP2_REG_RQ_BW_RD_L13, PXP2_REG_RQ_BW_RD_ADD13,
+		PXP2_REG_RQ_BW_RD_UBOUND13},
+	{PXP2_REG_RQ_BW_RD_L14, PXP2_REG_RQ_BW_RD_ADD14,
+		PXP2_REG_RQ_BW_RD_UBOUND14},
+	{PXP2_REG_RQ_BW_RD_L15, PXP2_REG_RQ_BW_RD_ADD15,
+		PXP2_REG_RQ_BW_RD_UBOUND15},
+	{PXP2_REG_RQ_BW_RD_L16, PXP2_REG_RQ_BW_RD_ADD16,
+		PXP2_REG_RQ_BW_RD_UBOUND16},
+	{PXP2_REG_RQ_BW_RD_L17, PXP2_REG_RQ_BW_RD_ADD17,
+		PXP2_REG_RQ_BW_RD_UBOUND17},
+	{PXP2_REG_RQ_BW_RD_L18, PXP2_REG_RQ_BW_RD_ADD18,
+		PXP2_REG_RQ_BW_RD_UBOUND18},
+	{PXP2_REG_RQ_BW_RD_L19, PXP2_REG_RQ_BW_RD_ADD19,
+		PXP2_REG_RQ_BW_RD_UBOUND19},
+	{PXP2_REG_RQ_BW_RD_L20, PXP2_REG_RQ_BW_RD_ADD20,
+		PXP2_REG_RQ_BW_RD_UBOUND20},
+	{PXP2_REG_RQ_BW_RD_L22, PXP2_REG_RQ_BW_RD_ADD22,
+		PXP2_REG_RQ_BW_RD_UBOUND22},
+	{PXP2_REG_RQ_BW_RD_L23, PXP2_REG_RQ_BW_RD_ADD23,
+		PXP2_REG_RQ_BW_RD_UBOUND23},
+	{PXP2_REG_RQ_BW_RD_L24, PXP2_REG_RQ_BW_RD_ADD24,
+		PXP2_REG_RQ_BW_RD_UBOUND24},
+	{PXP2_REG_RQ_BW_RD_L25, PXP2_REG_RQ_BW_RD_ADD25,
+		PXP2_REG_RQ_BW_RD_UBOUND25},
+	{PXP2_REG_RQ_BW_RD_L26, PXP2_REG_RQ_BW_RD_ADD26,
+		PXP2_REG_RQ_BW_RD_UBOUND26},
+	{PXP2_REG_RQ_BW_RD_L27, PXP2_REG_RQ_BW_RD_ADD27,
+		PXP2_REG_RQ_BW_RD_UBOUND27},
+	{PXP2_REG_PSWRQ_BW_L28, PXP2_REG_PSWRQ_BW_ADD28,
+		PXP2_REG_PSWRQ_BW_UB28}
+};
+
+/* register adresses for wrtie queues */
+static const struct arb_line write_arb_addr[NUM_WR_Q-1] = {
+	{PXP2_REG_PSWRQ_BW_L1, PXP2_REG_PSWRQ_BW_ADD1,
+		PXP2_REG_PSWRQ_BW_UB1},
+	{PXP2_REG_PSWRQ_BW_L2, PXP2_REG_PSWRQ_BW_ADD2,
+		PXP2_REG_PSWRQ_BW_UB2},
+	{PXP2_REG_PSWRQ_BW_L3, PXP2_REG_PSWRQ_BW_ADD3,
+		PXP2_REG_PSWRQ_BW_UB3},
+	{PXP2_REG_PSWRQ_BW_L6, PXP2_REG_PSWRQ_BW_ADD6,
+		PXP2_REG_PSWRQ_BW_UB6},
+	{PXP2_REG_PSWRQ_BW_L7, PXP2_REG_PSWRQ_BW_ADD7,
+		PXP2_REG_PSWRQ_BW_UB7},
+	{PXP2_REG_PSWRQ_BW_L8, PXP2_REG_PSWRQ_BW_ADD8,
+		PXP2_REG_PSWRQ_BW_UB8},
+	{PXP2_REG_PSWRQ_BW_L9, PXP2_REG_PSWRQ_BW_ADD9,
+		PXP2_REG_PSWRQ_BW_UB9},
+	{PXP2_REG_PSWRQ_BW_L10, PXP2_REG_PSWRQ_BW_ADD10,
+		PXP2_REG_PSWRQ_BW_UB10},
+	{PXP2_REG_PSWRQ_BW_L11, PXP2_REG_PSWRQ_BW_ADD11,
+		PXP2_REG_PSWRQ_BW_UB11},
+	{PXP2_REG_PSWRQ_BW_L28, PXP2_REG_PSWRQ_BW_ADD28,
+		PXP2_REG_PSWRQ_BW_UB28},
+	{PXP2_REG_RQ_BW_WR_L29, PXP2_REG_RQ_BW_WR_ADD29,
+		PXP2_REG_RQ_BW_WR_UBOUND29},
+	{PXP2_REG_RQ_BW_WR_L30, PXP2_REG_RQ_BW_WR_ADD30,
+		PXP2_REG_RQ_BW_WR_UBOUND30}
+};
+
+static void bnx2x_init_pxp(struct bnx2x *bp)
+{
+	int r_order, w_order;
+	u32 val, i;
+
+	pci_read_config_word(bp->pdev,
+			     bp->pcie_cap + PCI_EXP_DEVCTL, (u16 *)&val);
+	DP(NETIF_MSG_HW, "read 0x%x from devctl\n", val);
+	w_order = ((val & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
+	r_order = ((val & PCI_EXP_DEVCTL_READRQ) >> 12);
+
+	if (r_order > MAX_RD_ORD) {
+		DP(NETIF_MSG_HW, "read order of %d  order adjusted to %d\n",
+		   r_order, MAX_RD_ORD);
+		r_order = MAX_RD_ORD;
+	}
+	if (w_order > MAX_WR_ORD) {
+		DP(NETIF_MSG_HW, "write order of %d  order adjusted to %d\n",
+		   w_order, MAX_WR_ORD);
+		w_order = MAX_WR_ORD;
+	}
+	DP(NETIF_MSG_HW, "read order %d  write order %d\n", r_order, w_order);
+
+	for (i = 0; i < NUM_RD_Q-1; i++) {
+		REG_WR(bp, read_arb_addr[i].l, read_arb_data[i][r_order].l);
+		REG_WR(bp, read_arb_addr[i].add,
+		       read_arb_data[i][r_order].add);
+		REG_WR(bp, read_arb_addr[i].ubound,
+		       read_arb_data[i][r_order].ubound);
+	}
+
+	for (i = 0; i < NUM_WR_Q-1; i++) {
+		if ((write_arb_addr[i].l == PXP2_REG_RQ_BW_WR_L29) ||
+		    (write_arb_addr[i].l == PXP2_REG_RQ_BW_WR_L30)) {
+
+			REG_WR(bp, write_arb_addr[i].l,
+			       write_arb_data[i][w_order].l);
+
+			REG_WR(bp, write_arb_addr[i].add,
+			       write_arb_data[i][w_order].add);
+
+			REG_WR(bp, write_arb_addr[i].ubound,
+			       write_arb_data[i][w_order].ubound);
+		} else {
+
+			val = REG_RD(bp, write_arb_addr[i].l);
+			REG_WR(bp, write_arb_addr[i].l,
+			       val | (write_arb_data[i][w_order].l << 10));
+
+			val = REG_RD(bp, write_arb_addr[i].add);
+			REG_WR(bp, write_arb_addr[i].add,
+			       val | (write_arb_data[i][w_order].add << 10));
+
+			val = REG_RD(bp, write_arb_addr[i].ubound);
+			REG_WR(bp, write_arb_addr[i].ubound,
+			       val | (write_arb_data[i][w_order].ubound << 7));
+		}
+	}
+
+	val =  write_arb_data[NUM_WR_Q-1][w_order].add;
+	val += write_arb_data[NUM_WR_Q-1][w_order].ubound << 10;
+	val += write_arb_data[NUM_WR_Q-1][w_order].l << 17;
+	REG_WR(bp, PXP2_REG_PSWRQ_BW_RD, val);
+
+	val =  read_arb_data[NUM_RD_Q-1][r_order].add;
+	val += read_arb_data[NUM_RD_Q-1][r_order].ubound << 10;
+	val += read_arb_data[NUM_RD_Q-1][r_order].l << 17;
+	REG_WR(bp, PXP2_REG_PSWRQ_BW_WR, val);
+
+	REG_WR(bp, PXP2_REG_RQ_WR_MBS0, w_order);
+	REG_WR(bp, PXP2_REG_RQ_WR_MBS0 + 8, w_order);
+	REG_WR(bp, PXP2_REG_RQ_RD_MBS0, r_order);
+	REG_WR(bp, PXP2_REG_RQ_RD_MBS0 + 8, r_order);
+
+	REG_WR(bp, PXP2_REG_WR_DMAE_TH, (128 << w_order)/16);
+}
+
+
+/****************************************************************************
+* CDU
+****************************************************************************/
+
+#define CDU_REGION_NUMBER_XCM_AG	2
+#define CDU_REGION_NUMBER_UCM_AG	4
+
+/**
+ * String-to-compress [31:8] = CID (all 24 bits)
+ * String-to-compress [7:4] = Region
+ * String-to-compress [3:0] = Type
+ */
+#define CDU_VALID_DATA(_cid, _region, _type) \
+		(((_cid) << 8) | (((_region) & 0xf) << 4) | (((_type) & 0xf)))
+#define CDU_CRC8(_cid, _region, _type) \
+			calc_crc8(CDU_VALID_DATA(_cid, _region, _type), 0xff)
+#define CDU_RSRVD_VALUE_TYPE_A(_cid, _region, _type) \
+			(0x80 | (CDU_CRC8(_cid, _region, _type) & 0x7f))
+#define CDU_RSRVD_VALUE_TYPE_B(_crc, _type) \
+	(0x80 | ((_type) & 0xf << 3) | (CDU_CRC8(_cid, _region, _type) & 0x7))
+#define CDU_RSRVD_INVALIDATE_CONTEXT_VALUE(_val)	((_val) & ~0x80)
+
+/*****************************************************************************
+ * Description:
+ *         Calculates crc 8 on a word value: polynomial 0-1-2-8
+ *         Code was translated from Verilog.
+ ****************************************************************************/
+static u8 calc_crc8(u32 data, u8 crc)
+{
+	u8 D[32];
+	u8 NewCRC[8];
+	u8 C[8];
+	u8 crc_res;
+	u8 i;
+
+	/* split the data into 31 bits */
+	for (i = 0; i < 32; i++) {
+		D[i] = data & 1;
+		data = data >> 1;
+	}
+
+	/* split the crc into 8 bits */
+	for (i = 0; i < 8; i++) {
+		C[i] = crc & 1;
+		crc = crc >> 1;
+	}
+
+	NewCRC[0] = D[31] ^ D[30] ^ D[28] ^ D[23] ^ D[21] ^ D[19] ^ D[18] ^
+		D[16] ^ D[14] ^ D[12] ^ D[8] ^ D[7] ^ D[6] ^ D[0] ^ C[4] ^
+		C[6] ^ C[7];
+	NewCRC[1] = D[30] ^ D[29] ^ D[28] ^ D[24] ^ D[23] ^ D[22] ^ D[21] ^
+		D[20] ^ D[18] ^ D[17] ^ D[16] ^ D[15] ^ D[14] ^ D[13] ^
+		D[12] ^ D[9] ^ D[6] ^ D[1] ^ D[0] ^ C[0] ^ C[4] ^ C[5] ^ C[6];
+	NewCRC[2] = D[29] ^ D[28] ^ D[25] ^ D[24] ^ D[22] ^ D[17] ^ D[15] ^
+		D[13] ^ D[12] ^ D[10] ^ D[8] ^ D[6] ^ D[2] ^ D[1] ^ D[0] ^
+		C[0] ^ C[1] ^ C[4] ^ C[5];
+	NewCRC[3] = D[30] ^ D[29] ^ D[26] ^ D[25] ^ D[23] ^ D[18] ^ D[16] ^
+		D[14] ^ D[13] ^ D[11] ^ D[9] ^ D[7] ^ D[3] ^ D[2] ^ D[1] ^
+		C[1] ^ C[2] ^ C[5] ^ C[6];
+	NewCRC[4] = D[31] ^ D[30] ^ D[27] ^ D[26] ^ D[24] ^ D[19] ^ D[17] ^
+		D[15] ^ D[14] ^ D[12] ^ D[10] ^ D[8] ^ D[4] ^ D[3] ^ D[2] ^
+		C[0] ^ C[2] ^ C[3] ^ C[6] ^ C[7];
+	NewCRC[5] = D[31] ^ D[28] ^ D[27] ^ D[25] ^ D[20] ^ D[18] ^ D[16] ^
+		D[15] ^ D[13] ^ D[11] ^ D[9] ^ D[5] ^ D[4] ^ D[3] ^ C[1] ^
+		C[3] ^ C[4] ^ C[7];
+	NewCRC[6] = D[29] ^ D[28] ^ D[26] ^ D[21] ^ D[19] ^ D[17] ^ D[16] ^
+		D[14] ^ D[12] ^ D[10] ^ D[6] ^ D[5] ^ D[4] ^ C[2] ^ C[4] ^
+		C[5];
+	NewCRC[7] = D[30] ^ D[29] ^ D[27] ^ D[22] ^ D[20] ^ D[18] ^ D[17] ^
+		D[15] ^ D[13] ^ D[11] ^ D[7] ^ D[6] ^ D[5] ^ C[3] ^ C[5] ^
+		C[6];
+
+	crc_res = 0;
+	for (i = 0; i < 8; i++)
+		crc_res |= (NewCRC[i] << i);
+
+	return crc_res;
+}
+
+
+#endif /* BNX2X_INIT_H */
+