diff options
Diffstat (limited to 'drivers/net/bnx2x_init.h')
| -rw-r--r-- | drivers/net/bnx2x_init.h | 568 |
1 files changed, 0 insertions, 568 deletions
diff --git a/drivers/net/bnx2x_init.h b/drivers/net/bnx2x_init.h deleted file mode 100644 index dcaecc53bdb..00000000000 --- a/drivers/net/bnx2x_init.h +++ /dev/null @@ -1,568 +0,0 @@ -/* bnx2x_init.h: Broadcom Everest network driver. - * - * Copyright (c) 2007-2008 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", (u16)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_MBS1, w_order); - REG_WR(bp, PXP2_REG_RQ_RD_MBS0, r_order); - REG_WR(bp, PXP2_REG_RQ_RD_MBS1, r_order); - - if (r_order == MAX_RD_ORD) - REG_WR(bp, PXP2_REG_RQ_PDR_LIMIT, 0xe00); - - REG_WR(bp, PXP2_REG_WR_USDMDP_TH, (0x18 << w_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 */ - |
