* Static functions needed during the initialization.
* This file is "included" in bnx2x_main.c.
*
- * Copyright (c) 2007-2009 Broadcom Corporation
+ * Copyright (c) 2007-2010 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
* Maintained by: Eilon Greenstein <eilong@broadcom.com>
* Written by: Vladislav Zolotarov <vladz@broadcom.com>
*/
+
#ifndef BNX2X_INIT_OPS_H
#define BNX2X_INIT_OPS_H
-static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val);
static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len);
+
static void bnx2x_init_str_wr(struct bnx2x *bp, u32 addr, const u32 *data,
u32 len)
{
- int i;
+ u32 i;
- for (i = 0; i < len; i++) {
+ for (i = 0; i < len; i++)
REG_WR(bp, addr + i*4, data[i]);
- if (!(i % 10000)) {
- touch_softlockup_watchdog();
- cpu_relax();
- }
- }
}
static void bnx2x_init_ind_wr(struct bnx2x *bp, u32 addr, const u32 *data,
- u16 len)
+ u32 len)
{
- int i;
+ u32 i;
- for (i = 0; i < len; 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_write_big_buf(struct bnx2x *bp, u32 addr, u32 len)
{
- int offset = 0;
-
- if (bp->dmae_ready) {
- while (len > DMAE_LEN32_WR_MAX) {
- bnx2x_write_dmae(bp, bp->gunzip_mapping + offset,
- addr + offset, DMAE_LEN32_WR_MAX);
- offset += DMAE_LEN32_WR_MAX * 4;
- len -= DMAE_LEN32_WR_MAX;
- }
- bnx2x_write_dmae(bp, bp->gunzip_mapping + offset,
- addr + offset, len);
- } else
- bnx2x_init_str_wr(bp, addr, bp->gunzip_buf, len);
+ if (bp->dmae_ready)
+ bnx2x_write_dmae_phys_len(bp, GUNZIP_PHYS(bp), addr, len);
+ else
+ bnx2x_init_str_wr(bp, addr, GUNZIP_BUF(bp), len);
}
static void bnx2x_init_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
{
- u32 buf_len = (((len * 4) > FW_BUF_SIZE) ? FW_BUF_SIZE : (len * 4));
- u32 buf_len32 = buf_len / 4;
- int i;
+ u32 buf_len = (((len*4) > FW_BUF_SIZE) ? FW_BUF_SIZE : (len*4));
+ u32 buf_len32 = buf_len/4;
+ u32 i;
- memset(bp->gunzip_buf, fill, buf_len);
+ memset(GUNZIP_BUF(bp), (u8)fill, buf_len);
for (i = 0; i < len; i += buf_len32) {
u32 cur_len = min(buf_len32, len - i);
- bnx2x_write_big_buf(bp, addr + i * 4, cur_len);
+ bnx2x_write_big_buf(bp, addr + i*4, cur_len);
}
}
static void bnx2x_init_wr_64(struct bnx2x *bp, u32 addr, const u32 *data,
u32 len64)
{
- u32 buf_len32 = FW_BUF_SIZE / 4;
- u32 len = len64 * 2;
+ u32 buf_len32 = FW_BUF_SIZE/4;
+ u32 len = len64*2;
u64 data64 = 0;
- int i;
+ u32 i;
/* 64 bit value is in a blob: first low DWORD, then high DWORD */
data64 = HILO_U64((*(data + 1)), (*data));
+
len64 = min((u32)(FW_BUF_SIZE/8), len64);
for (i = 0; i < len64; i++) {
- u64 *pdata = ((u64 *)(bp->gunzip_buf)) + i;
+ u64 *pdata = ((u64 *)(GUNZIP_BUF(bp))) + i;
*pdata = data64;
}
for (i = 0; i < len; i += buf_len32) {
u32 cur_len = min(buf_len32, len - i);
- bnx2x_write_big_buf(bp, addr + i * 4, cur_len);
+ bnx2x_write_big_buf(bp, addr + i*4, cur_len);
}
}
static const u8 *bnx2x_sel_blob(struct bnx2x *bp, u32 addr, const u8 *data)
{
IF_IS_INT_TABLE_ADDR(TSEM_REG_INT_TABLE, addr)
- data = bp->tsem_int_table_data;
- else IF_IS_INT_TABLE_ADDR(CSEM_REG_INT_TABLE, addr)
- data = bp->csem_int_table_data;
- else IF_IS_INT_TABLE_ADDR(USEM_REG_INT_TABLE, addr)
- data = bp->usem_int_table_data;
- else IF_IS_INT_TABLE_ADDR(XSEM_REG_INT_TABLE, addr)
- data = bp->xsem_int_table_data;
- else IF_IS_PRAM_ADDR(TSEM_REG_PRAM, addr)
- data = bp->tsem_pram_data;
- else IF_IS_PRAM_ADDR(CSEM_REG_PRAM, addr)
- data = bp->csem_pram_data;
- else IF_IS_PRAM_ADDR(USEM_REG_PRAM, addr)
- data = bp->usem_pram_data;
- else IF_IS_PRAM_ADDR(XSEM_REG_PRAM, addr)
- data = bp->xsem_pram_data;
+ data = INIT_TSEM_INT_TABLE_DATA(bp);
+ else
+ IF_IS_INT_TABLE_ADDR(CSEM_REG_INT_TABLE, addr)
+ data = INIT_CSEM_INT_TABLE_DATA(bp);
+ else
+ IF_IS_INT_TABLE_ADDR(USEM_REG_INT_TABLE, addr)
+ data = INIT_USEM_INT_TABLE_DATA(bp);
+ else
+ IF_IS_INT_TABLE_ADDR(XSEM_REG_INT_TABLE, addr)
+ data = INIT_XSEM_INT_TABLE_DATA(bp);
+ else
+ IF_IS_PRAM_ADDR(TSEM_REG_PRAM, addr)
+ data = INIT_TSEM_PRAM_DATA(bp);
+ else
+ IF_IS_PRAM_ADDR(CSEM_REG_PRAM, addr)
+ data = INIT_CSEM_PRAM_DATA(bp);
+ else
+ IF_IS_PRAM_ADDR(USEM_REG_PRAM, addr)
+ data = INIT_USEM_PRAM_DATA(bp);
+ else
+ IF_IS_PRAM_ADDR(XSEM_REG_PRAM, addr)
+ data = INIT_XSEM_PRAM_DATA(bp);
return data;
}
static void bnx2x_write_big_buf_wb(struct bnx2x *bp, u32 addr, u32 len)
{
- int offset = 0;
-
- if (bp->dmae_ready) {
- while (len > DMAE_LEN32_WR_MAX) {
- bnx2x_write_dmae(bp, bp->gunzip_mapping + offset,
- addr + offset, DMAE_LEN32_WR_MAX);
- offset += DMAE_LEN32_WR_MAX * 4;
- len -= DMAE_LEN32_WR_MAX;
- }
- bnx2x_write_dmae(bp, bp->gunzip_mapping + offset,
- addr + offset, len);
- } else
- bnx2x_init_ind_wr(bp, addr, bp->gunzip_buf, len);
+ if (bp->dmae_ready)
+ bnx2x_write_dmae_phys_len(bp, GUNZIP_PHYS(bp), addr, len);
+ else
+ bnx2x_init_ind_wr(bp, addr, GUNZIP_BUF(bp), len);
}
static void bnx2x_init_wr_wb(struct bnx2x *bp, u32 addr, const u32 *data,
u32 len)
{
- /* This is needed for NO_ZIP mode, currently supported
- in little endian mode only */
- data = (const u32*)bnx2x_sel_blob(bp, addr, (const u8*)data);
+ const u32 *old_data = data;
- if ((len * 4) > FW_BUF_SIZE) {
- BNX2X_ERR("LARGE DMAE OPERATION ! "
- "addr 0x%x len 0x%x\n", addr, len*4);
- return;
- }
- memcpy(bp->gunzip_buf, data, len * 4);
+ data = (const u32 *)bnx2x_sel_blob(bp, addr, (const u8 *)data);
- bnx2x_write_big_buf_wb(bp, addr, len);
+ if (bp->dmae_ready) {
+ if (old_data != data)
+ VIRT_WR_DMAE_LEN(bp, data, addr, len, 1);
+ else
+ VIRT_WR_DMAE_LEN(bp, data, addr, len, 0);
+ } else
+ bnx2x_init_ind_wr(bp, addr, data, len);
}
-static void bnx2x_init_wr_zp(struct bnx2x *bp, u32 addr,
- u32 len, u32 blob_off)
+static void bnx2x_init_wr_zp(struct bnx2x *bp, u32 addr, u32 len, u32 blob_off)
{
- int rc, i;
- const u8 *data = NULL;
-
- data = bnx2x_sel_blob(bp, addr, data) + 4*blob_off;
+ const u8 *data = NULL;
+ int rc;
+ u32 i;
- if (data == NULL) {
- panic("Blob not found for addr 0x%x\n", addr);
- return;
- }
+ data = bnx2x_sel_blob(bp, addr, data) + blob_off*4;
rc = bnx2x_gunzip(bp, data, len);
- if (rc) {
- BNX2X_ERR("gunzip failed ! addr 0x%x rc %d\n", addr, rc);
- BNX2X_ERR("blob_offset=0x%x\n", blob_off);
+ if (rc)
return;
- }
/* gunzip_outlen is in dwords */
- len = bp->gunzip_outlen;
+ len = GUNZIP_OUTLEN(bp);
for (i = 0; i < len; i++)
- ((u32 *)bp->gunzip_buf)[i] =
- cpu_to_le32(((u32 *)bp->gunzip_buf)[i]);
+ ((u32 *)GUNZIP_BUF(bp))[i] =
+ cpu_to_le32(((u32 *)GUNZIP_BUF(bp))[i]);
bnx2x_write_big_buf_wb(bp, addr, len);
}
static void bnx2x_init_block(struct bnx2x *bp, u32 block, u32 stage)
{
- int hw_wr, i;
u16 op_start =
- bp->init_ops_offsets[BLOCK_OPS_IDX(block,stage,STAGE_START)];
+ INIT_OPS_OFFSETS(bp)[BLOCK_OPS_IDX(block, stage, STAGE_START)];
u16 op_end =
- bp->init_ops_offsets[BLOCK_OPS_IDX(block,stage,STAGE_END)];
+ INIT_OPS_OFFSETS(bp)[BLOCK_OPS_IDX(block, stage, STAGE_END)];
union init_op *op;
- u32 op_type, addr, len;
+ int hw_wr;
+ u32 i, op_type, addr, len;
const u32 *data, *data_base;
/* If empty block */
else
hw_wr = OP_WR_ASIC;
- data_base = bp->init_data;
+ data_base = INIT_DATA(bp);
for (i = op_start; i < op_end; i++) {
- op = (union init_op *)&(bp->init_ops[i]);
+ op = (union init_op *)&(INIT_OPS(bp)[i]);
op_type = op->str_wr.op;
addr = op->str_wr.offset;
data = data_base + op->str_wr.data_off;
/* HW/EMUL specific */
- if (unlikely((op_type > OP_WB) && (op_type == hw_wr)))
+ if ((op_type > OP_WB) && (op_type == hw_wr))
op_type = OP_WR;
switch (op_type) {
break;
default:
/* happens whenever an op is of a diff HW */
-#if 0
- DP(NETIF_MSG_HW, "skipping init operation "
- "index %d[%d:%d]: type %d addr 0x%x "
- "len %d(0x%x)\n",
- i, op_start, op_end, op_type, addr, len, len);
-#endif
break;
}
}
}
-/* PXP */
-static void bnx2x_init_pxp(struct bnx2x *bp)
+
+/****************************************************************************
+* PXP Arbiter
+****************************************************************************/
+/*
+ * This code configures the PCI read/write arbiter
+ * which implements a weighted 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] = {
+/* 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} },
+/* 10 */{ {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, 6}, {16, 64, 11}, {32, 64, 21}, {32, 64, 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} },
+/* 20 */{ {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] = {
+/* 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} },
+/* 10 */{ {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 addresses for read queues */
+static const struct arb_line read_arb_addr[NUM_RD_Q-1] = {
+/* 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},
+/* 10 */{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},
+/* 20 */{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 addresses for write queues */
+static const struct arb_line write_arb_addr[NUM_WR_Q-1] = {
+/* 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},
+/* 10 */{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_arb(struct bnx2x *bp, int r_order, int w_order)
{
- u16 devctl;
- int r_order, w_order;
u32 val, i;
- pci_read_config_word(bp->pdev,
- bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
- DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
- w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
- if (bp->mrrs == -1)
- r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
- else {
- DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
- r_order = bp->mrrs;
- }
-
if (r_order > MAX_RD_ORD) {
DP(NETIF_MSG_HW, "read order of %d order adjusted to %d\n",
r_order, MAX_RD_ORD);
REG_WR(bp, PXP2_REG_WR_USDMDP_TH, (0x18 << w_order));
if (CHIP_IS_E1H(bp)) {
+ /* MPS w_order optimal TH presently TH
+ * 128 0 0 2
+ * 256 1 1 3
+ * >=512 2 2 3
+ */
val = ((w_order == 0) ? 2 : 3);
REG_WR(bp, PXP2_REG_WR_HC_MPS, val);
REG_WR(bp, PXP2_REG_WR_USDM_MPS, val);
}
}
-/*****************************************************************************
- * 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_OPS_H */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff