1 /******************************************************************************
3 * This file is provided under a dual BSD/GPLv2 license. When using or
4 * redistributing this file, you may do so under either license.
8 * Copyright(c) 2018 - 2019 Intel Corporation
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
14 * This program is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * General Public License for more details.
21 * Copyright(c) 2018 - 2019 Intel Corporation
22 * All rights reserved.
24 * Redistribution and use in source and binary forms, with or without
25 * modification, are permitted provided that the following conditions
28 * * Redistributions of source code must retain the above copyright
29 * notice, this list of conditions and the following disclaimer.
30 * * Redistributions in binary form must reproduce the above copyright
31 * notice, this list of conditions and the following disclaimer in
32 * the documentation and/or other materials provided with the
34 * * Neither the name Intel Corporation nor the names of its
35 * contributors may be used to endorse or promote products derived
36 * from this software without specific prior written permission.
38 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
39 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
40 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
41 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
42 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
43 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
44 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
45 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
46 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
47 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
48 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
50 *****************************************************************************/
52 #include "iwl-trans.h"
54 #include "iwl-context-info-gen3.h"
59 iwl_pcie_ctxt_info_dbg_enable(struct iwl_trans *trans,
60 struct iwl_prph_scratch_hwm_cfg *dbg_cfg,
63 enum iwl_fw_ini_allocation_id alloc_id = IWL_FW_INI_ALLOCATION_ID_DBGC1;
64 struct iwl_fw_ini_allocation_tlv *fw_mon_cfg;
67 if (!iwl_trans_dbg_ini_valid(trans)) {
68 struct iwl_dram_data *fw_mon = &trans->dbg.fw_mon;
70 iwl_pcie_alloc_fw_monitor(trans, 0);
73 dbg_flags |= IWL_PRPH_SCRATCH_EDBG_DEST_DRAM;
76 "WRT: Applying DRAM buffer destination\n");
78 dbg_cfg->hwm_base_addr = cpu_to_le64(fw_mon->physical);
79 dbg_cfg->hwm_size = cpu_to_le32(fw_mon->size);
85 fw_mon_cfg = &trans->dbg.fw_mon_cfg[alloc_id];
87 if (le32_to_cpu(fw_mon_cfg->buf_location) ==
88 IWL_FW_INI_LOCATION_SRAM_PATH) {
89 dbg_flags |= IWL_PRPH_SCRATCH_EDBG_DEST_INTERNAL;
92 "WRT: Applying SMEM buffer destination\n");
97 if (le32_to_cpu(fw_mon_cfg->buf_location) ==
98 IWL_FW_INI_LOCATION_DRAM_PATH &&
99 trans->dbg.fw_mon_ini[alloc_id].num_frags) {
100 struct iwl_dram_data *frag =
101 &trans->dbg.fw_mon_ini[alloc_id].frags[0];
103 dbg_flags |= IWL_PRPH_SCRATCH_EDBG_DEST_DRAM;
106 "WRT: Applying DRAM destination (alloc_id=%u)\n",
109 dbg_cfg->hwm_base_addr = cpu_to_le64(frag->physical);
110 dbg_cfg->hwm_size = cpu_to_le32(frag->size);
115 *control_flags |= IWL_PRPH_SCRATCH_EARLY_DEBUG_EN | dbg_flags;
118 int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans,
119 const struct fw_img *fw)
121 struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
122 struct iwl_context_info_gen3 *ctxt_info_gen3;
123 struct iwl_prph_scratch *prph_scratch;
124 struct iwl_prph_scratch_ctrl_cfg *prph_sc_ctrl;
125 struct iwl_prph_info *prph_info;
127 u32 control_flags = 0;
129 int cmdq_size = max_t(u32, IWL_CMD_QUEUE_SIZE,
130 trans->cfg->min_txq_size);
132 /* Allocate prph scratch */
133 prph_scratch = dma_alloc_coherent(trans->dev, sizeof(*prph_scratch),
134 &trans_pcie->prph_scratch_dma_addr,
139 prph_sc_ctrl = &prph_scratch->ctrl_cfg;
141 prph_sc_ctrl->version.version = 0;
142 prph_sc_ctrl->version.mac_id =
143 cpu_to_le16((u16)iwl_read32(trans, CSR_HW_REV));
144 prph_sc_ctrl->version.size = cpu_to_le16(sizeof(*prph_scratch) / 4);
146 control_flags = IWL_PRPH_SCRATCH_RB_SIZE_4K |
147 IWL_PRPH_SCRATCH_MTR_MODE |
148 (IWL_PRPH_MTR_FORMAT_256B &
149 IWL_PRPH_SCRATCH_MTR_FORMAT);
151 /* initialize RX default queue */
152 prph_sc_ctrl->rbd_cfg.free_rbd_addr =
153 cpu_to_le64(trans_pcie->rxq->bd_dma);
155 iwl_pcie_ctxt_info_dbg_enable(trans, &prph_sc_ctrl->hwm_cfg,
157 prph_sc_ctrl->control.control_flags = cpu_to_le32(control_flags);
159 /* allocate ucode sections in dram and set addresses */
160 ret = iwl_pcie_init_fw_sec(trans, fw, &prph_scratch->dram);
162 goto err_free_prph_scratch;
165 /* Allocate prph information
166 * currently we don't assign to the prph info anything, but it would get
168 prph_info = dma_alloc_coherent(trans->dev, sizeof(*prph_info),
169 &trans_pcie->prph_info_dma_addr,
173 goto err_free_prph_scratch;
176 /* Allocate context info */
177 ctxt_info_gen3 = dma_alloc_coherent(trans->dev,
178 sizeof(*ctxt_info_gen3),
179 &trans_pcie->ctxt_info_dma_addr,
181 if (!ctxt_info_gen3) {
183 goto err_free_prph_info;
186 ctxt_info_gen3->prph_info_base_addr =
187 cpu_to_le64(trans_pcie->prph_info_dma_addr);
188 ctxt_info_gen3->prph_scratch_base_addr =
189 cpu_to_le64(trans_pcie->prph_scratch_dma_addr);
190 ctxt_info_gen3->prph_scratch_size =
191 cpu_to_le32(sizeof(*prph_scratch));
192 ctxt_info_gen3->cr_head_idx_arr_base_addr =
193 cpu_to_le64(trans_pcie->rxq->rb_stts_dma);
194 ctxt_info_gen3->tr_tail_idx_arr_base_addr =
195 cpu_to_le64(trans_pcie->rxq->tr_tail_dma);
196 ctxt_info_gen3->cr_tail_idx_arr_base_addr =
197 cpu_to_le64(trans_pcie->rxq->cr_tail_dma);
198 ctxt_info_gen3->cr_idx_arr_size =
199 cpu_to_le16(IWL_NUM_OF_COMPLETION_RINGS);
200 ctxt_info_gen3->tr_idx_arr_size =
201 cpu_to_le16(IWL_NUM_OF_TRANSFER_RINGS);
202 ctxt_info_gen3->mtr_base_addr =
203 cpu_to_le64(trans_pcie->txq[trans_pcie->cmd_queue]->dma_addr);
204 ctxt_info_gen3->mcr_base_addr =
205 cpu_to_le64(trans_pcie->rxq->used_bd_dma);
206 ctxt_info_gen3->mtr_size =
207 cpu_to_le16(TFD_QUEUE_CB_SIZE(cmdq_size));
208 ctxt_info_gen3->mcr_size =
209 cpu_to_le16(RX_QUEUE_CB_SIZE(trans->cfg->num_rbds));
211 trans_pcie->ctxt_info_gen3 = ctxt_info_gen3;
212 trans_pcie->prph_info = prph_info;
213 trans_pcie->prph_scratch = prph_scratch;
216 iml_img = dma_alloc_coherent(trans->dev, trans->iml_len,
217 &trans_pcie->iml_dma_addr, GFP_KERNEL);
221 memcpy(iml_img, trans->iml, trans->iml_len);
223 iwl_enable_fw_load_int_ctx_info(trans);
225 /* kick FW self load */
226 iwl_write64(trans, CSR_CTXT_INFO_ADDR,
227 trans_pcie->ctxt_info_dma_addr);
228 iwl_write64(trans, CSR_IML_DATA_ADDR,
229 trans_pcie->iml_dma_addr);
230 iwl_write32(trans, CSR_IML_SIZE_ADDR, trans->iml_len);
232 iwl_set_bit(trans, CSR_CTXT_INFO_BOOT_CTRL,
233 CSR_AUTO_FUNC_BOOT_ENA);
234 if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
235 iwl_write_umac_prph(trans, UREG_CPU_INIT_RUN, 1);
237 iwl_set_bit(trans, CSR_GP_CNTRL, CSR_AUTO_FUNC_INIT);
242 dma_free_coherent(trans->dev,
245 trans_pcie->prph_info_dma_addr);
247 err_free_prph_scratch:
248 dma_free_coherent(trans->dev,
249 sizeof(*prph_scratch),
251 trans_pcie->prph_scratch_dma_addr);
256 void iwl_pcie_ctxt_info_gen3_free(struct iwl_trans *trans)
258 struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
260 if (!trans_pcie->ctxt_info_gen3)
263 dma_free_coherent(trans->dev, sizeof(*trans_pcie->ctxt_info_gen3),
264 trans_pcie->ctxt_info_gen3,
265 trans_pcie->ctxt_info_dma_addr);
266 trans_pcie->ctxt_info_dma_addr = 0;
267 trans_pcie->ctxt_info_gen3 = NULL;
269 iwl_pcie_ctxt_info_free_fw_img(trans);
271 dma_free_coherent(trans->dev, sizeof(*trans_pcie->prph_scratch),
272 trans_pcie->prph_scratch,
273 trans_pcie->prph_scratch_dma_addr);
274 trans_pcie->prph_scratch_dma_addr = 0;
275 trans_pcie->prph_scratch = NULL;
277 dma_free_coherent(trans->dev, sizeof(*trans_pcie->prph_info),
278 trans_pcie->prph_info,
279 trans_pcie->prph_info_dma_addr);
280 trans_pcie->prph_info_dma_addr = 0;
281 trans_pcie->prph_info = NULL;