diff options
Diffstat (limited to 'drivers/net/bnx2x/bnx2x_init_ops.h')
| -rw-r--r-- | drivers/net/bnx2x/bnx2x_init_ops.h | 338 |
1 files changed, 338 insertions, 0 deletions
diff --git a/drivers/net/bnx2x/bnx2x_init_ops.h b/drivers/net/bnx2x/bnx2x_init_ops.h index 2b1363a6fe78..aae7fea00622 100644 --- a/drivers/net/bnx2x/bnx2x_init_ops.h +++ b/drivers/net/bnx2x/bnx2x_init_ops.h @@ -151,6 +151,15 @@ static void bnx2x_init_wr_wb(struct bnx2x *bp, u32 addr, const u32 *data, bnx2x_init_ind_wr(bp, addr, data, len); } +static void bnx2x_wr_64(struct bnx2x *bp, u32 reg, u32 val_lo, u32 val_hi) +{ + u32 wb_write[2]; + + wb_write[0] = val_lo; + wb_write[1] = val_hi; + REG_WR_DMAE_LEN(bp, reg, wb_write, 2); +} + static void bnx2x_init_wr_zp(struct bnx2x *bp, u32 addr, u32 len, u32 blob_off) { const u8 *data = NULL; @@ -503,4 +512,333 @@ static void bnx2x_init_pxp_arb(struct bnx2x *bp, int r_order, int w_order) } } +/**************************************************************************** +* ILT management +****************************************************************************/ +/* + * This codes hides the low level HW interaction for ILT management and + * configuration. The API consists of a shadow ILT table which is set by the + * driver and a set of routines to use it to configure the HW. + * + */ + +/* ILT HW init operations */ + +/* ILT memory management operations */ +#define ILT_MEMOP_ALLOC 0 +#define ILT_MEMOP_FREE 1 + +/* the phys address is shifted right 12 bits and has an added + * 1=valid bit added to the 53rd bit + * then since this is a wide register(TM) + * we split it into two 32 bit writes + */ +#define ILT_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF)) +#define ILT_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44))) +#define ILT_RANGE(f, l) (((l) << 10) | f) + +static int bnx2x_ilt_line_mem_op(struct bnx2x *bp, struct ilt_line *line, + u32 size, u8 memop) +{ + if (memop == ILT_MEMOP_FREE) { + BNX2X_ILT_FREE(line->page, line->page_mapping, line->size); + return 0; + } + BNX2X_ILT_ZALLOC(line->page, &line->page_mapping, size); + if (!line->page) + return -1; + line->size = size; + return 0; +} + + +static int bnx2x_ilt_client_mem_op(struct bnx2x *bp, int cli_num, u8 memop) +{ + int i, rc; + struct bnx2x_ilt *ilt = BP_ILT(bp); + struct ilt_client_info *ilt_cli = &ilt->clients[cli_num]; + + if (!ilt || !ilt->lines) + return -1; + + if (ilt_cli->flags & (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM)) + return 0; + + for (rc = 0, i = ilt_cli->start; i <= ilt_cli->end && !rc; i++) { + rc = bnx2x_ilt_line_mem_op(bp, &ilt->lines[i], + ilt_cli->page_size, memop); + } + return rc; +} + +int bnx2x_ilt_mem_op(struct bnx2x *bp, u8 memop) +{ + int rc = bnx2x_ilt_client_mem_op(bp, ILT_CLIENT_CDU, memop); + if (!rc) + rc = bnx2x_ilt_client_mem_op(bp, ILT_CLIENT_QM, memop); + if (!rc) + rc = bnx2x_ilt_client_mem_op(bp, ILT_CLIENT_SRC, memop); + if (!rc) + rc = bnx2x_ilt_client_mem_op(bp, ILT_CLIENT_TM, memop); + + return rc; +} + +static void bnx2x_ilt_line_wr(struct bnx2x *bp, int abs_idx, + dma_addr_t page_mapping) +{ + u32 reg; + + if (CHIP_IS_E1(bp)) + reg = PXP2_REG_RQ_ONCHIP_AT + abs_idx*8; + else + reg = PXP2_REG_RQ_ONCHIP_AT_B0 + abs_idx*8; + + bnx2x_wr_64(bp, reg, ILT_ADDR1(page_mapping), ILT_ADDR2(page_mapping)); +} + +static void bnx2x_ilt_line_init_op(struct bnx2x *bp, struct bnx2x_ilt *ilt, + int idx, u8 initop) +{ + dma_addr_t null_mapping; + int abs_idx = ilt->start_line + idx; + + + switch (initop) { + case INITOP_INIT: + /* set in the init-value array */ + case INITOP_SET: + bnx2x_ilt_line_wr(bp, abs_idx, ilt->lines[idx].page_mapping); + break; + case INITOP_CLEAR: + null_mapping = 0; + bnx2x_ilt_line_wr(bp, abs_idx, null_mapping); + break; + } +} + +void bnx2x_ilt_boundry_init_op(struct bnx2x *bp, + struct ilt_client_info *ilt_cli, + u32 ilt_start, u8 initop) +{ + u32 start_reg = 0; + u32 end_reg = 0; + + /* The boundary is either SET or INIT, + CLEAR => SET and for now SET ~~ INIT */ + + /* find the appropriate regs */ + if (CHIP_IS_E1(bp)) { + switch (ilt_cli->client_num) { + case ILT_CLIENT_CDU: + start_reg = PXP2_REG_PSWRQ_CDU0_L2P; + break; + case ILT_CLIENT_QM: + start_reg = PXP2_REG_PSWRQ_QM0_L2P; + break; + case ILT_CLIENT_SRC: + start_reg = PXP2_REG_PSWRQ_SRC0_L2P; + break; + case ILT_CLIENT_TM: + start_reg = PXP2_REG_PSWRQ_TM0_L2P; + break; + } + REG_WR(bp, start_reg + BP_FUNC(bp)*4, + ILT_RANGE((ilt_start + ilt_cli->start), + (ilt_start + ilt_cli->end))); + } else { + switch (ilt_cli->client_num) { + case ILT_CLIENT_CDU: + start_reg = PXP2_REG_RQ_CDU_FIRST_ILT; + end_reg = PXP2_REG_RQ_CDU_LAST_ILT; + break; + case ILT_CLIENT_QM: + start_reg = PXP2_REG_RQ_QM_FIRST_ILT; + end_reg = PXP2_REG_RQ_QM_LAST_ILT; + break; + case ILT_CLIENT_SRC: + start_reg = PXP2_REG_RQ_SRC_FIRST_ILT; + end_reg = PXP2_REG_RQ_SRC_LAST_ILT; + break; + case ILT_CLIENT_TM: + start_reg = PXP2_REG_RQ_TM_FIRST_ILT; + end_reg = PXP2_REG_RQ_TM_LAST_ILT; + break; + } + REG_WR(bp, start_reg, (ilt_start + ilt_cli->start)); + REG_WR(bp, end_reg, (ilt_start + ilt_cli->end)); + } +} + +void bnx2x_ilt_client_init_op_ilt(struct bnx2x *bp, struct bnx2x_ilt *ilt, + struct ilt_client_info *ilt_cli, u8 initop) +{ + int i; + + if (ilt_cli->flags & ILT_CLIENT_SKIP_INIT) + return; + + for (i = ilt_cli->start; i <= ilt_cli->end; i++) + bnx2x_ilt_line_init_op(bp, ilt, i, initop); + + /* init/clear the ILT boundries */ + bnx2x_ilt_boundry_init_op(bp, ilt_cli, ilt->start_line, initop); +} + +void bnx2x_ilt_client_init_op(struct bnx2x *bp, + struct ilt_client_info *ilt_cli, u8 initop) +{ + struct bnx2x_ilt *ilt = BP_ILT(bp); + + bnx2x_ilt_client_init_op_ilt(bp, ilt, ilt_cli, initop); +} + +static void bnx2x_ilt_client_id_init_op(struct bnx2x *bp, + int cli_num, u8 initop) +{ + struct bnx2x_ilt *ilt = BP_ILT(bp); + struct ilt_client_info *ilt_cli = &ilt->clients[cli_num]; + + bnx2x_ilt_client_init_op(bp, ilt_cli, initop); +} + +void bnx2x_ilt_init_op(struct bnx2x *bp, u8 initop) +{ + bnx2x_ilt_client_id_init_op(bp, ILT_CLIENT_CDU, initop); + bnx2x_ilt_client_id_init_op(bp, ILT_CLIENT_QM, initop); + bnx2x_ilt_client_id_init_op(bp, ILT_CLIENT_SRC, initop); + bnx2x_ilt_client_id_init_op(bp, ILT_CLIENT_TM, initop); +} + +static void bnx2x_ilt_init_client_psz(struct bnx2x *bp, int cli_num, + u32 psz_reg, u8 initop) +{ + struct bnx2x_ilt *ilt = BP_ILT(bp); + struct ilt_client_info *ilt_cli = &ilt->clients[cli_num]; + + if (ilt_cli->flags & ILT_CLIENT_SKIP_INIT) + return; + + switch (initop) { + case INITOP_INIT: + /* set in the init-value array */ + case INITOP_SET: + REG_WR(bp, psz_reg, ILOG2(ilt_cli->page_size >> 12)); + break; + case INITOP_CLEAR: + break; + } +} + +/* + * called during init common stage, ilt clients should be initialized + * prioir to calling this function + */ +void bnx2x_ilt_init_page_size(struct bnx2x *bp, u8 initop) +{ + bnx2x_ilt_init_client_psz(bp, ILT_CLIENT_CDU, + PXP2_REG_RQ_CDU_P_SIZE, initop); + bnx2x_ilt_init_client_psz(bp, ILT_CLIENT_QM, + PXP2_REG_RQ_QM_P_SIZE, initop); + bnx2x_ilt_init_client_psz(bp, ILT_CLIENT_SRC, + PXP2_REG_RQ_SRC_P_SIZE, initop); + bnx2x_ilt_init_client_psz(bp, ILT_CLIENT_TM, + PXP2_REG_RQ_TM_P_SIZE, initop); +} + +/**************************************************************************** +* QM initializations +****************************************************************************/ +#define QM_QUEUES_PER_FUNC 16 /* E1 has 32, but only 16 are used */ +#define QM_INIT_MIN_CID_COUNT 31 +#define QM_INIT(cid_cnt) (cid_cnt > QM_INIT_MIN_CID_COUNT) + +/* called during init port stage */ +void bnx2x_qm_init_cid_count(struct bnx2x *bp, int qm_cid_count, + u8 initop) +{ + int port = BP_PORT(bp); + + if (QM_INIT(qm_cid_count)) { + switch (initop) { + case INITOP_INIT: + /* set in the init-value array */ + case INITOP_SET: + REG_WR(bp, QM_REG_CONNNUM_0 + port*4, + qm_cid_count/16 - 1); + break; + case INITOP_CLEAR: + break; + } + } +} + +static void bnx2x_qm_set_ptr_table(struct bnx2x *bp, int qm_cid_count) +{ + int i; + u32 wb_data[2]; + + wb_data[0] = wb_data[1] = 0; + + for (i = 0; i < 4 * QM_QUEUES_PER_FUNC; i++) { + REG_WR(bp, QM_REG_BASEADDR + i*4, + qm_cid_count * 4 * (i % QM_QUEUES_PER_FUNC)); + bnx2x_init_ind_wr(bp, QM_REG_PTRTBL + i*8, + wb_data, 2); + + if (CHIP_IS_E1H(bp)) { + REG_WR(bp, QM_REG_BASEADDR_EXT_A + i*4, + qm_cid_count * 4 * (i % QM_QUEUES_PER_FUNC)); + bnx2x_init_ind_wr(bp, QM_REG_PTRTBL_EXT_A + i*8, + wb_data, 2); + } + } +} + +/* called during init common stage */ +void bnx2x_qm_init_ptr_table(struct bnx2x *bp, int qm_cid_count, + u8 initop) +{ + if (!QM_INIT(qm_cid_count)) + return; + + switch (initop) { + case INITOP_INIT: + /* set in the init-value array */ + case INITOP_SET: + bnx2x_qm_set_ptr_table(bp, qm_cid_count); + break; + case INITOP_CLEAR: + break; + } +} + +/**************************************************************************** +* SRC initializations +****************************************************************************/ + +/* called during init func stage */ +void bnx2x_src_init_t2(struct bnx2x *bp, struct src_ent *t2, + dma_addr_t t2_mapping, int src_cid_count) +{ + int i; + int port = BP_PORT(bp); + + /* Initialize T2 */ + for (i = 0; i < src_cid_count-1; i++) + t2[i].next = (u64)(t2_mapping + (i+1)*sizeof(struct src_ent)); + + /* tell the searcher where the T2 table is */ + REG_WR(bp, SRC_REG_COUNTFREE0 + port*4, src_cid_count); + + bnx2x_wr_64(bp, SRC_REG_FIRSTFREE0 + port*16, + U64_LO(t2_mapping), U64_HI(t2_mapping)); + + bnx2x_wr_64(bp, SRC_REG_LASTFREE0 + port*16, + U64_LO((u64)t2_mapping + + (src_cid_count-1) * sizeof(struct src_ent)), + U64_HI((u64)t2_mapping + + (src_cid_count-1) * sizeof(struct src_ent))); +} + #endif /* BNX2X_INIT_OPS_H */ |