1 // SPDX-License-Identifier: GPL-2.0-only
3 * Qualcomm self-authenticating modem subsystem remoteproc driver
5 * Copyright (C) 2016 Linaro Ltd.
6 * Copyright (C) 2014 Sony Mobile Communications AB
7 * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
10 #include <linux/clk.h>
11 #include <linux/delay.h>
12 #include <linux/devcoredump.h>
13 #include <linux/dma-mapping.h>
14 #include <linux/interrupt.h>
15 #include <linux/kernel.h>
16 #include <linux/mfd/syscon.h>
17 #include <linux/module.h>
18 #include <linux/of_address.h>
19 #include <linux/of_device.h>
20 #include <linux/platform_device.h>
21 #include <linux/pm_domain.h>
22 #include <linux/pm_runtime.h>
23 #include <linux/regmap.h>
24 #include <linux/regulator/consumer.h>
25 #include <linux/remoteproc.h>
26 #include <linux/reset.h>
27 #include <linux/soc/qcom/mdt_loader.h>
28 #include <linux/iopoll.h>
29 #include <linux/slab.h>
31 #include "remoteproc_internal.h"
32 #include "qcom_common.h"
33 #include "qcom_pil_info.h"
34 #include "qcom_q6v5.h"
36 #include <linux/qcom_scm.h>
38 #define MPSS_CRASH_REASON_SMEM 421
40 #define MBA_LOG_SIZE SZ_4K
42 /* RMB Status Register Values */
43 #define RMB_PBL_SUCCESS 0x1
45 #define RMB_MBA_XPU_UNLOCKED 0x1
46 #define RMB_MBA_XPU_UNLOCKED_SCRIBBLED 0x2
47 #define RMB_MBA_META_DATA_AUTH_SUCCESS 0x3
48 #define RMB_MBA_AUTH_COMPLETE 0x4
50 /* PBL/MBA interface registers */
51 #define RMB_MBA_IMAGE_REG 0x00
52 #define RMB_PBL_STATUS_REG 0x04
53 #define RMB_MBA_COMMAND_REG 0x08
54 #define RMB_MBA_STATUS_REG 0x0C
55 #define RMB_PMI_META_DATA_REG 0x10
56 #define RMB_PMI_CODE_START_REG 0x14
57 #define RMB_PMI_CODE_LENGTH_REG 0x18
58 #define RMB_MBA_MSS_STATUS 0x40
59 #define RMB_MBA_ALT_RESET 0x44
61 #define RMB_CMD_META_DATA_READY 0x1
62 #define RMB_CMD_LOAD_READY 0x2
64 /* QDSP6SS Register Offsets */
65 #define QDSP6SS_RESET_REG 0x014
66 #define QDSP6SS_GFMUX_CTL_REG 0x020
67 #define QDSP6SS_PWR_CTL_REG 0x030
68 #define QDSP6SS_MEM_PWR_CTL 0x0B0
69 #define QDSP6V6SS_MEM_PWR_CTL 0x034
70 #define QDSP6SS_STRAP_ACC 0x110
72 /* AXI Halt Register Offsets */
73 #define AXI_HALTREQ_REG 0x0
74 #define AXI_HALTACK_REG 0x4
75 #define AXI_IDLE_REG 0x8
76 #define AXI_GATING_VALID_OVERRIDE BIT(0)
78 #define HALT_ACK_TIMEOUT_US 100000
81 #define Q6SS_STOP_CORE BIT(0)
82 #define Q6SS_CORE_ARES BIT(1)
83 #define Q6SS_BUS_ARES_ENABLE BIT(2)
86 #define Q6SS_CBCR_CLKEN BIT(0)
87 #define Q6SS_CBCR_CLKOFF BIT(31)
88 #define Q6SS_CBCR_TIMEOUT_US 200
90 /* QDSP6SS_GFMUX_CTL */
91 #define Q6SS_CLK_ENABLE BIT(1)
94 #define Q6SS_L2DATA_SLP_NRET_N_0 BIT(0)
95 #define Q6SS_L2DATA_SLP_NRET_N_1 BIT(1)
96 #define Q6SS_L2DATA_SLP_NRET_N_2 BIT(2)
97 #define Q6SS_L2TAG_SLP_NRET_N BIT(16)
98 #define Q6SS_ETB_SLP_NRET_N BIT(17)
99 #define Q6SS_L2DATA_STBY_N BIT(18)
100 #define Q6SS_SLP_RET_N BIT(19)
101 #define Q6SS_CLAMP_IO BIT(20)
102 #define QDSS_BHS_ON BIT(21)
103 #define QDSS_LDO_BYP BIT(22)
105 /* QDSP6v56 parameters */
106 #define QDSP6v56_LDO_BYP BIT(25)
107 #define QDSP6v56_BHS_ON BIT(24)
108 #define QDSP6v56_CLAMP_WL BIT(21)
109 #define QDSP6v56_CLAMP_QMC_MEM BIT(22)
110 #define QDSP6SS_XO_CBCR 0x0038
111 #define QDSP6SS_ACC_OVERRIDE_VAL 0x20
113 /* QDSP6v65 parameters */
114 #define QDSP6SS_CORE_CBCR 0x20
115 #define QDSP6SS_SLEEP 0x3C
116 #define QDSP6SS_BOOT_CORE_START 0x400
117 #define QDSP6SS_BOOT_CMD 0x404
118 #define BOOT_FSM_TIMEOUT 10000
121 struct regulator *reg;
126 struct qcom_mss_reg_res {
132 struct rproc_hexagon_res {
133 const char *hexagon_mba_image;
134 struct qcom_mss_reg_res *proxy_supply;
135 struct qcom_mss_reg_res *active_supply;
136 char **proxy_clk_names;
137 char **reset_clk_names;
138 char **active_clk_names;
139 char **active_pd_names;
140 char **proxy_pd_names;
142 bool need_mem_protection;
152 void __iomem *reg_base;
153 void __iomem *rmb_base;
155 struct regmap *halt_map;
156 struct regmap *conn_map;
163 struct reset_control *mss_restart;
164 struct reset_control *pdc_reset;
166 struct qcom_q6v5 q6v5;
168 struct clk *active_clks[8];
169 struct clk *reset_clks[4];
170 struct clk *proxy_clks[4];
171 struct device *active_pds[1];
172 struct device *proxy_pds[3];
173 int active_clk_count;
179 struct reg_info active_regs[1];
180 struct reg_info proxy_regs[3];
181 int active_reg_count;
184 bool dump_mba_loaded;
185 size_t current_dump_size;
186 size_t total_dump_size;
188 phys_addr_t mba_phys;
193 phys_addr_t mpss_phys;
194 phys_addr_t mpss_reloc;
197 struct qcom_rproc_glink glink_subdev;
198 struct qcom_rproc_subdev smd_subdev;
199 struct qcom_rproc_ssr ssr_subdev;
200 struct qcom_sysmon *sysmon;
201 bool need_mem_protection;
207 const char *hexagon_mdt_image;
220 static int q6v5_regulator_init(struct device *dev, struct reg_info *regs,
221 const struct qcom_mss_reg_res *reg_res)
229 for (i = 0; reg_res[i].supply; i++) {
230 regs[i].reg = devm_regulator_get(dev, reg_res[i].supply);
231 if (IS_ERR(regs[i].reg)) {
232 rc = PTR_ERR(regs[i].reg);
233 if (rc != -EPROBE_DEFER)
234 dev_err(dev, "Failed to get %s\n regulator",
239 regs[i].uV = reg_res[i].uV;
240 regs[i].uA = reg_res[i].uA;
246 static int q6v5_regulator_enable(struct q6v5 *qproc,
247 struct reg_info *regs, int count)
252 for (i = 0; i < count; i++) {
253 if (regs[i].uV > 0) {
254 ret = regulator_set_voltage(regs[i].reg,
255 regs[i].uV, INT_MAX);
258 "Failed to request voltage for %d.\n",
264 if (regs[i].uA > 0) {
265 ret = regulator_set_load(regs[i].reg,
269 "Failed to set regulator mode\n");
274 ret = regulator_enable(regs[i].reg);
276 dev_err(qproc->dev, "Regulator enable failed\n");
283 for (; i >= 0; i--) {
285 regulator_set_voltage(regs[i].reg, 0, INT_MAX);
288 regulator_set_load(regs[i].reg, 0);
290 regulator_disable(regs[i].reg);
296 static void q6v5_regulator_disable(struct q6v5 *qproc,
297 struct reg_info *regs, int count)
301 for (i = 0; i < count; i++) {
303 regulator_set_voltage(regs[i].reg, 0, INT_MAX);
306 regulator_set_load(regs[i].reg, 0);
308 regulator_disable(regs[i].reg);
312 static int q6v5_clk_enable(struct device *dev,
313 struct clk **clks, int count)
318 for (i = 0; i < count; i++) {
319 rc = clk_prepare_enable(clks[i]);
321 dev_err(dev, "Clock enable failed\n");
328 for (i--; i >= 0; i--)
329 clk_disable_unprepare(clks[i]);
334 static void q6v5_clk_disable(struct device *dev,
335 struct clk **clks, int count)
339 for (i = 0; i < count; i++)
340 clk_disable_unprepare(clks[i]);
343 static int q6v5_pds_enable(struct q6v5 *qproc, struct device **pds,
349 for (i = 0; i < pd_count; i++) {
350 dev_pm_genpd_set_performance_state(pds[i], INT_MAX);
351 ret = pm_runtime_get_sync(pds[i]);
353 pm_runtime_put_noidle(pds[i]);
354 dev_pm_genpd_set_performance_state(pds[i], 0);
355 goto unroll_pd_votes;
362 for (i--; i >= 0; i--) {
363 dev_pm_genpd_set_performance_state(pds[i], 0);
364 pm_runtime_put(pds[i]);
370 static void q6v5_pds_disable(struct q6v5 *qproc, struct device **pds,
375 for (i = 0; i < pd_count; i++) {
376 dev_pm_genpd_set_performance_state(pds[i], 0);
377 pm_runtime_put(pds[i]);
381 static int q6v5_xfer_mem_ownership(struct q6v5 *qproc, int *current_perm,
382 bool local, bool remote, phys_addr_t addr,
385 struct qcom_scm_vmperm next[2];
388 if (!qproc->need_mem_protection)
391 if (local == !!(*current_perm & BIT(QCOM_SCM_VMID_HLOS)) &&
392 remote == !!(*current_perm & BIT(QCOM_SCM_VMID_MSS_MSA)))
396 next[perms].vmid = QCOM_SCM_VMID_HLOS;
397 next[perms].perm = QCOM_SCM_PERM_RWX;
402 next[perms].vmid = QCOM_SCM_VMID_MSS_MSA;
403 next[perms].perm = QCOM_SCM_PERM_RW;
407 return qcom_scm_assign_mem(addr, ALIGN(size, SZ_4K),
408 current_perm, next, perms);
411 static void q6v5_debug_policy_load(struct q6v5 *qproc)
413 const struct firmware *dp_fw;
415 if (reject_firmware_direct(&dp_fw, "msadp", qproc->dev))
418 if (SZ_1M + dp_fw->size <= qproc->mba_size) {
419 memcpy(qproc->mba_region + SZ_1M, dp_fw->data, dp_fw->size);
420 qproc->dp_size = dp_fw->size;
423 release_firmware(dp_fw);
426 static int q6v5_load(struct rproc *rproc, const struct firmware *fw)
428 struct q6v5 *qproc = rproc->priv;
430 /* MBA is restricted to a maximum size of 1M */
431 if (fw->size > qproc->mba_size || fw->size > SZ_1M) {
432 dev_err(qproc->dev, "MBA firmware load failed\n");
436 memcpy(qproc->mba_region, fw->data, fw->size);
437 q6v5_debug_policy_load(qproc);
442 static int q6v5_reset_assert(struct q6v5 *qproc)
446 if (qproc->has_alt_reset) {
447 reset_control_assert(qproc->pdc_reset);
448 ret = reset_control_reset(qproc->mss_restart);
449 reset_control_deassert(qproc->pdc_reset);
450 } else if (qproc->has_spare_reg) {
452 * When the AXI pipeline is being reset with the Q6 modem partly
453 * operational there is possibility of AXI valid signal to
454 * glitch, leading to spurious transactions and Q6 hangs. A work
455 * around is employed by asserting the AXI_GATING_VALID_OVERRIDE
456 * BIT before triggering Q6 MSS reset. AXI_GATING_VALID_OVERRIDE
457 * is withdrawn post MSS assert followed by a MSS deassert,
458 * while holding the PDC reset.
460 reset_control_assert(qproc->pdc_reset);
461 regmap_update_bits(qproc->conn_map, qproc->conn_box,
462 AXI_GATING_VALID_OVERRIDE, 1);
463 reset_control_assert(qproc->mss_restart);
464 reset_control_deassert(qproc->pdc_reset);
465 regmap_update_bits(qproc->conn_map, qproc->conn_box,
466 AXI_GATING_VALID_OVERRIDE, 0);
467 ret = reset_control_deassert(qproc->mss_restart);
469 ret = reset_control_assert(qproc->mss_restart);
475 static int q6v5_reset_deassert(struct q6v5 *qproc)
479 if (qproc->has_alt_reset) {
480 reset_control_assert(qproc->pdc_reset);
481 writel(1, qproc->rmb_base + RMB_MBA_ALT_RESET);
482 ret = reset_control_reset(qproc->mss_restart);
483 writel(0, qproc->rmb_base + RMB_MBA_ALT_RESET);
484 reset_control_deassert(qproc->pdc_reset);
485 } else if (qproc->has_spare_reg) {
486 ret = reset_control_reset(qproc->mss_restart);
488 ret = reset_control_deassert(qproc->mss_restart);
494 static int q6v5_rmb_pbl_wait(struct q6v5 *qproc, int ms)
496 unsigned long timeout;
499 timeout = jiffies + msecs_to_jiffies(ms);
501 val = readl(qproc->rmb_base + RMB_PBL_STATUS_REG);
505 if (time_after(jiffies, timeout))
514 static int q6v5_rmb_mba_wait(struct q6v5 *qproc, u32 status, int ms)
517 unsigned long timeout;
520 timeout = jiffies + msecs_to_jiffies(ms);
522 val = readl(qproc->rmb_base + RMB_MBA_STATUS_REG);
528 else if (status && val == status)
531 if (time_after(jiffies, timeout))
540 static void q6v5_dump_mba_logs(struct q6v5 *qproc)
542 struct rproc *rproc = qproc->rproc;
545 if (!qproc->has_mba_logs)
548 if (q6v5_xfer_mem_ownership(qproc, &qproc->mba_perm, true, false, qproc->mba_phys,
552 data = vmalloc(MBA_LOG_SIZE);
556 memcpy(data, qproc->mba_region, MBA_LOG_SIZE);
557 dev_coredumpv(&rproc->dev, data, MBA_LOG_SIZE, GFP_KERNEL);
560 static int q6v5proc_reset(struct q6v5 *qproc)
566 if (qproc->version == MSS_SDM845) {
567 val = readl(qproc->reg_base + QDSP6SS_SLEEP);
568 val |= Q6SS_CBCR_CLKEN;
569 writel(val, qproc->reg_base + QDSP6SS_SLEEP);
571 ret = readl_poll_timeout(qproc->reg_base + QDSP6SS_SLEEP,
572 val, !(val & Q6SS_CBCR_CLKOFF), 1,
573 Q6SS_CBCR_TIMEOUT_US);
575 dev_err(qproc->dev, "QDSP6SS Sleep clock timed out\n");
579 /* De-assert QDSP6 stop core */
580 writel(1, qproc->reg_base + QDSP6SS_BOOT_CORE_START);
581 /* Trigger boot FSM */
582 writel(1, qproc->reg_base + QDSP6SS_BOOT_CMD);
584 ret = readl_poll_timeout(qproc->rmb_base + RMB_MBA_MSS_STATUS,
585 val, (val & BIT(0)) != 0, 10, BOOT_FSM_TIMEOUT);
587 dev_err(qproc->dev, "Boot FSM failed to complete.\n");
588 /* Reset the modem so that boot FSM is in reset state */
589 q6v5_reset_deassert(qproc);
594 } else if (qproc->version == MSS_SC7180) {
595 val = readl(qproc->reg_base + QDSP6SS_SLEEP);
596 val |= Q6SS_CBCR_CLKEN;
597 writel(val, qproc->reg_base + QDSP6SS_SLEEP);
599 ret = readl_poll_timeout(qproc->reg_base + QDSP6SS_SLEEP,
600 val, !(val & Q6SS_CBCR_CLKOFF), 1,
601 Q6SS_CBCR_TIMEOUT_US);
603 dev_err(qproc->dev, "QDSP6SS Sleep clock timed out\n");
607 /* Turn on the XO clock needed for PLL setup */
608 val = readl(qproc->reg_base + QDSP6SS_XO_CBCR);
609 val |= Q6SS_CBCR_CLKEN;
610 writel(val, qproc->reg_base + QDSP6SS_XO_CBCR);
612 ret = readl_poll_timeout(qproc->reg_base + QDSP6SS_XO_CBCR,
613 val, !(val & Q6SS_CBCR_CLKOFF), 1,
614 Q6SS_CBCR_TIMEOUT_US);
616 dev_err(qproc->dev, "QDSP6SS XO clock timed out\n");
620 /* Configure Q6 core CBCR to auto-enable after reset sequence */
621 val = readl(qproc->reg_base + QDSP6SS_CORE_CBCR);
622 val |= Q6SS_CBCR_CLKEN;
623 writel(val, qproc->reg_base + QDSP6SS_CORE_CBCR);
625 /* De-assert the Q6 stop core signal */
626 writel(1, qproc->reg_base + QDSP6SS_BOOT_CORE_START);
628 /* Wait for 10 us for any staggering logic to settle */
629 usleep_range(10, 20);
631 /* Trigger the boot FSM to start the Q6 out-of-reset sequence */
632 writel(1, qproc->reg_base + QDSP6SS_BOOT_CMD);
634 /* Poll the MSS_STATUS for FSM completion */
635 ret = readl_poll_timeout(qproc->rmb_base + RMB_MBA_MSS_STATUS,
636 val, (val & BIT(0)) != 0, 10, BOOT_FSM_TIMEOUT);
638 dev_err(qproc->dev, "Boot FSM failed to complete.\n");
639 /* Reset the modem so that boot FSM is in reset state */
640 q6v5_reset_deassert(qproc);
644 } else if (qproc->version == MSS_MSM8996 ||
645 qproc->version == MSS_MSM8998) {
648 /* Override the ACC value if required */
649 writel(QDSP6SS_ACC_OVERRIDE_VAL,
650 qproc->reg_base + QDSP6SS_STRAP_ACC);
652 /* Assert resets, stop core */
653 val = readl(qproc->reg_base + QDSP6SS_RESET_REG);
654 val |= Q6SS_CORE_ARES | Q6SS_BUS_ARES_ENABLE | Q6SS_STOP_CORE;
655 writel(val, qproc->reg_base + QDSP6SS_RESET_REG);
657 /* BHS require xo cbcr to be enabled */
658 val = readl(qproc->reg_base + QDSP6SS_XO_CBCR);
659 val |= Q6SS_CBCR_CLKEN;
660 writel(val, qproc->reg_base + QDSP6SS_XO_CBCR);
662 /* Read CLKOFF bit to go low indicating CLK is enabled */
663 ret = readl_poll_timeout(qproc->reg_base + QDSP6SS_XO_CBCR,
664 val, !(val & Q6SS_CBCR_CLKOFF), 1,
665 Q6SS_CBCR_TIMEOUT_US);
668 "xo cbcr enabling timed out (rc:%d)\n", ret);
671 /* Enable power block headswitch and wait for it to stabilize */
672 val = readl(qproc->reg_base + QDSP6SS_PWR_CTL_REG);
673 val |= QDSP6v56_BHS_ON;
674 writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
675 val |= readl(qproc->reg_base + QDSP6SS_PWR_CTL_REG);
678 /* Put LDO in bypass mode */
679 val |= QDSP6v56_LDO_BYP;
680 writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
682 /* Deassert QDSP6 compiler memory clamp */
683 val = readl(qproc->reg_base + QDSP6SS_PWR_CTL_REG);
684 val &= ~QDSP6v56_CLAMP_QMC_MEM;
685 writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
687 /* Deassert memory peripheral sleep and L2 memory standby */
688 val |= Q6SS_L2DATA_STBY_N | Q6SS_SLP_RET_N;
689 writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
691 /* Turn on L1, L2, ETB and JU memories 1 at a time */
692 if (qproc->version == MSS_MSM8996) {
693 mem_pwr_ctl = QDSP6SS_MEM_PWR_CTL;
697 mem_pwr_ctl = QDSP6V6SS_MEM_PWR_CTL;
700 val = readl(qproc->reg_base + mem_pwr_ctl);
701 for (; i >= 0; i--) {
703 writel(val, qproc->reg_base + mem_pwr_ctl);
705 * Read back value to ensure the write is done then
706 * wait for 1us for both memory peripheral and data
709 val |= readl(qproc->reg_base + mem_pwr_ctl);
712 /* Remove word line clamp */
713 val = readl(qproc->reg_base + QDSP6SS_PWR_CTL_REG);
714 val &= ~QDSP6v56_CLAMP_WL;
715 writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
717 /* Assert resets, stop core */
718 val = readl(qproc->reg_base + QDSP6SS_RESET_REG);
719 val |= Q6SS_CORE_ARES | Q6SS_BUS_ARES_ENABLE | Q6SS_STOP_CORE;
720 writel(val, qproc->reg_base + QDSP6SS_RESET_REG);
722 /* Enable power block headswitch and wait for it to stabilize */
723 val = readl(qproc->reg_base + QDSP6SS_PWR_CTL_REG);
724 val |= QDSS_BHS_ON | QDSS_LDO_BYP;
725 writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
726 val |= readl(qproc->reg_base + QDSP6SS_PWR_CTL_REG);
729 * Turn on memories. L2 banks should be done individually
730 * to minimize inrush current.
732 val = readl(qproc->reg_base + QDSP6SS_PWR_CTL_REG);
733 val |= Q6SS_SLP_RET_N | Q6SS_L2TAG_SLP_NRET_N |
734 Q6SS_ETB_SLP_NRET_N | Q6SS_L2DATA_STBY_N;
735 writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
736 val |= Q6SS_L2DATA_SLP_NRET_N_2;
737 writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
738 val |= Q6SS_L2DATA_SLP_NRET_N_1;
739 writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
740 val |= Q6SS_L2DATA_SLP_NRET_N_0;
741 writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
743 /* Remove IO clamp */
744 val &= ~Q6SS_CLAMP_IO;
745 writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
747 /* Bring core out of reset */
748 val = readl(qproc->reg_base + QDSP6SS_RESET_REG);
749 val &= ~Q6SS_CORE_ARES;
750 writel(val, qproc->reg_base + QDSP6SS_RESET_REG);
752 /* Turn on core clock */
753 val = readl(qproc->reg_base + QDSP6SS_GFMUX_CTL_REG);
754 val |= Q6SS_CLK_ENABLE;
755 writel(val, qproc->reg_base + QDSP6SS_GFMUX_CTL_REG);
757 /* Start core execution */
758 val = readl(qproc->reg_base + QDSP6SS_RESET_REG);
759 val &= ~Q6SS_STOP_CORE;
760 writel(val, qproc->reg_base + QDSP6SS_RESET_REG);
763 /* Wait for PBL status */
764 ret = q6v5_rmb_pbl_wait(qproc, 1000);
765 if (ret == -ETIMEDOUT) {
766 dev_err(qproc->dev, "PBL boot timed out\n");
767 } else if (ret != RMB_PBL_SUCCESS) {
768 dev_err(qproc->dev, "PBL returned unexpected status %d\n", ret);
777 static void q6v5proc_halt_axi_port(struct q6v5 *qproc,
778 struct regmap *halt_map,
784 /* Check if we're already idle */
785 ret = regmap_read(halt_map, offset + AXI_IDLE_REG, &val);
789 /* Assert halt request */
790 regmap_write(halt_map, offset + AXI_HALTREQ_REG, 1);
793 regmap_read_poll_timeout(halt_map, offset + AXI_HALTACK_REG, val,
794 val, 1000, HALT_ACK_TIMEOUT_US);
796 ret = regmap_read(halt_map, offset + AXI_IDLE_REG, &val);
798 dev_err(qproc->dev, "port failed halt\n");
800 /* Clear halt request (port will remain halted until reset) */
801 regmap_write(halt_map, offset + AXI_HALTREQ_REG, 0);
804 static int q6v5_mpss_init_image(struct q6v5 *qproc, const struct firmware *fw)
806 unsigned long dma_attrs = DMA_ATTR_FORCE_CONTIGUOUS;
815 metadata = qcom_mdt_read_metadata(fw, &size);
816 if (IS_ERR(metadata))
817 return PTR_ERR(metadata);
819 ptr = dma_alloc_attrs(qproc->dev, size, &phys, GFP_KERNEL, dma_attrs);
822 dev_err(qproc->dev, "failed to allocate mdt buffer\n");
826 memcpy(ptr, metadata, size);
828 /* Hypervisor mapping to access metadata by modem */
829 mdata_perm = BIT(QCOM_SCM_VMID_HLOS);
830 ret = q6v5_xfer_mem_ownership(qproc, &mdata_perm, false, true,
834 "assigning Q6 access to metadata failed: %d\n", ret);
839 writel(phys, qproc->rmb_base + RMB_PMI_META_DATA_REG);
840 writel(RMB_CMD_META_DATA_READY, qproc->rmb_base + RMB_MBA_COMMAND_REG);
842 ret = q6v5_rmb_mba_wait(qproc, RMB_MBA_META_DATA_AUTH_SUCCESS, 1000);
843 if (ret == -ETIMEDOUT)
844 dev_err(qproc->dev, "MPSS header authentication timed out\n");
846 dev_err(qproc->dev, "MPSS header authentication failed: %d\n", ret);
848 /* Metadata authentication done, remove modem access */
849 xferop_ret = q6v5_xfer_mem_ownership(qproc, &mdata_perm, true, false,
853 "mdt buffer not reclaimed system may become unstable\n");
856 dma_free_attrs(qproc->dev, size, ptr, phys, dma_attrs);
859 return ret < 0 ? ret : 0;
862 static bool q6v5_phdr_valid(const struct elf32_phdr *phdr)
864 if (phdr->p_type != PT_LOAD)
867 if ((phdr->p_flags & QCOM_MDT_TYPE_MASK) == QCOM_MDT_TYPE_HASH)
876 static int q6v5_mba_load(struct q6v5 *qproc)
880 bool mba_load_err = false;
882 qcom_q6v5_prepare(&qproc->q6v5);
884 ret = q6v5_pds_enable(qproc, qproc->active_pds, qproc->active_pd_count);
886 dev_err(qproc->dev, "failed to enable active power domains\n");
890 ret = q6v5_pds_enable(qproc, qproc->proxy_pds, qproc->proxy_pd_count);
892 dev_err(qproc->dev, "failed to enable proxy power domains\n");
893 goto disable_active_pds;
896 ret = q6v5_regulator_enable(qproc, qproc->proxy_regs,
897 qproc->proxy_reg_count);
899 dev_err(qproc->dev, "failed to enable proxy supplies\n");
900 goto disable_proxy_pds;
903 ret = q6v5_clk_enable(qproc->dev, qproc->proxy_clks,
904 qproc->proxy_clk_count);
906 dev_err(qproc->dev, "failed to enable proxy clocks\n");
907 goto disable_proxy_reg;
910 ret = q6v5_regulator_enable(qproc, qproc->active_regs,
911 qproc->active_reg_count);
913 dev_err(qproc->dev, "failed to enable supplies\n");
914 goto disable_proxy_clk;
917 ret = q6v5_clk_enable(qproc->dev, qproc->reset_clks,
918 qproc->reset_clk_count);
920 dev_err(qproc->dev, "failed to enable reset clocks\n");
924 ret = q6v5_reset_deassert(qproc);
926 dev_err(qproc->dev, "failed to deassert mss restart\n");
927 goto disable_reset_clks;
930 ret = q6v5_clk_enable(qproc->dev, qproc->active_clks,
931 qproc->active_clk_count);
933 dev_err(qproc->dev, "failed to enable clocks\n");
938 * Some versions of the MBA firmware will upon boot wipe the MPSS region as well, so provide
939 * the Q6 access to this region.
941 ret = q6v5_xfer_mem_ownership(qproc, &qproc->mpss_perm, false, true,
942 qproc->mpss_phys, qproc->mpss_size);
944 dev_err(qproc->dev, "assigning Q6 access to mpss memory failed: %d\n", ret);
945 goto disable_active_clks;
948 /* Assign MBA image access in DDR to q6 */
949 ret = q6v5_xfer_mem_ownership(qproc, &qproc->mba_perm, false, true,
950 qproc->mba_phys, qproc->mba_size);
953 "assigning Q6 access to mba memory failed: %d\n", ret);
954 goto disable_active_clks;
957 writel(qproc->mba_phys, qproc->rmb_base + RMB_MBA_IMAGE_REG);
958 if (qproc->dp_size) {
959 writel(qproc->mba_phys + SZ_1M, qproc->rmb_base + RMB_PMI_CODE_START_REG);
960 writel(qproc->dp_size, qproc->rmb_base + RMB_PMI_CODE_LENGTH_REG);
963 ret = q6v5proc_reset(qproc);
967 ret = q6v5_rmb_mba_wait(qproc, 0, 5000);
968 if (ret == -ETIMEDOUT) {
969 dev_err(qproc->dev, "MBA boot timed out\n");
971 } else if (ret != RMB_MBA_XPU_UNLOCKED &&
972 ret != RMB_MBA_XPU_UNLOCKED_SCRIBBLED) {
973 dev_err(qproc->dev, "MBA returned unexpected status %d\n", ret);
978 qproc->dump_mba_loaded = true;
982 q6v5proc_halt_axi_port(qproc, qproc->halt_map, qproc->halt_q6);
983 q6v5proc_halt_axi_port(qproc, qproc->halt_map, qproc->halt_modem);
984 q6v5proc_halt_axi_port(qproc, qproc->halt_map, qproc->halt_nc);
987 xfermemop_ret = q6v5_xfer_mem_ownership(qproc, &qproc->mba_perm, true,
988 false, qproc->mba_phys,
992 "Failed to reclaim mba buffer, system may become unstable\n");
993 } else if (mba_load_err) {
994 q6v5_dump_mba_logs(qproc);
998 q6v5_clk_disable(qproc->dev, qproc->active_clks,
999 qproc->active_clk_count);
1001 q6v5_reset_assert(qproc);
1003 q6v5_clk_disable(qproc->dev, qproc->reset_clks,
1004 qproc->reset_clk_count);
1006 q6v5_regulator_disable(qproc, qproc->active_regs,
1007 qproc->active_reg_count);
1009 q6v5_clk_disable(qproc->dev, qproc->proxy_clks,
1010 qproc->proxy_clk_count);
1012 q6v5_regulator_disable(qproc, qproc->proxy_regs,
1013 qproc->proxy_reg_count);
1015 q6v5_pds_disable(qproc, qproc->proxy_pds, qproc->proxy_pd_count);
1017 q6v5_pds_disable(qproc, qproc->active_pds, qproc->active_pd_count);
1019 qcom_q6v5_unprepare(&qproc->q6v5);
1024 static void q6v5_mba_reclaim(struct q6v5 *qproc)
1029 qproc->dump_mba_loaded = false;
1032 q6v5proc_halt_axi_port(qproc, qproc->halt_map, qproc->halt_q6);
1033 q6v5proc_halt_axi_port(qproc, qproc->halt_map, qproc->halt_modem);
1034 q6v5proc_halt_axi_port(qproc, qproc->halt_map, qproc->halt_nc);
1035 if (qproc->version == MSS_MSM8996) {
1037 * To avoid high MX current during LPASS/MSS restart.
1039 val = readl(qproc->reg_base + QDSP6SS_PWR_CTL_REG);
1040 val |= Q6SS_CLAMP_IO | QDSP6v56_CLAMP_WL |
1041 QDSP6v56_CLAMP_QMC_MEM;
1042 writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
1045 q6v5_reset_assert(qproc);
1047 q6v5_clk_disable(qproc->dev, qproc->reset_clks,
1048 qproc->reset_clk_count);
1049 q6v5_clk_disable(qproc->dev, qproc->active_clks,
1050 qproc->active_clk_count);
1051 q6v5_regulator_disable(qproc, qproc->active_regs,
1052 qproc->active_reg_count);
1053 q6v5_pds_disable(qproc, qproc->active_pds, qproc->active_pd_count);
1055 /* In case of failure or coredump scenario where reclaiming MBA memory
1056 * could not happen reclaim it here.
1058 ret = q6v5_xfer_mem_ownership(qproc, &qproc->mba_perm, true, false,
1063 ret = qcom_q6v5_unprepare(&qproc->q6v5);
1065 q6v5_pds_disable(qproc, qproc->proxy_pds,
1066 qproc->proxy_pd_count);
1067 q6v5_clk_disable(qproc->dev, qproc->proxy_clks,
1068 qproc->proxy_clk_count);
1069 q6v5_regulator_disable(qproc, qproc->proxy_regs,
1070 qproc->proxy_reg_count);
1074 static int q6v5_reload_mba(struct rproc *rproc)
1076 struct q6v5 *qproc = rproc->priv;
1077 const struct firmware *fw;
1080 ret = reject_firmware(&fw, rproc->firmware, qproc->dev);
1084 q6v5_load(rproc, fw);
1085 ret = q6v5_mba_load(qproc);
1086 release_firmware(fw);
1091 static int q6v5_mpss_load(struct q6v5 *qproc)
1093 const struct elf32_phdr *phdrs;
1094 const struct elf32_phdr *phdr;
1095 const struct firmware *seg_fw;
1096 const struct firmware *fw;
1097 struct elf32_hdr *ehdr;
1098 phys_addr_t mpss_reloc;
1099 phys_addr_t boot_addr;
1100 phys_addr_t min_addr = PHYS_ADDR_MAX;
1101 phys_addr_t max_addr = 0;
1103 bool relocate = false;
1112 fw_name_len = strlen(qproc->hexagon_mdt_image);
1113 if (fw_name_len <= 4)
1116 fw_name = kstrdup(qproc->hexagon_mdt_image, GFP_KERNEL);
1120 ret = reject_firmware(&fw, fw_name, qproc->dev);
1122 dev_err(qproc->dev, "unable to load %s\n", fw_name);
1126 /* Initialize the RMB validator */
1127 writel(0, qproc->rmb_base + RMB_PMI_CODE_LENGTH_REG);
1129 ret = q6v5_mpss_init_image(qproc, fw);
1131 goto release_firmware;
1133 ehdr = (struct elf32_hdr *)fw->data;
1134 phdrs = (struct elf32_phdr *)(ehdr + 1);
1136 for (i = 0; i < ehdr->e_phnum; i++) {
1139 if (!q6v5_phdr_valid(phdr))
1142 if (phdr->p_flags & QCOM_MDT_RELOCATABLE)
1145 if (phdr->p_paddr < min_addr)
1146 min_addr = phdr->p_paddr;
1148 if (phdr->p_paddr + phdr->p_memsz > max_addr)
1149 max_addr = ALIGN(phdr->p_paddr + phdr->p_memsz, SZ_4K);
1153 * In case of a modem subsystem restart on secure devices, the modem
1154 * memory can be reclaimed only after MBA is loaded.
1156 q6v5_xfer_mem_ownership(qproc, &qproc->mpss_perm, true, false,
1157 qproc->mpss_phys, qproc->mpss_size);
1159 /* Share ownership between Linux and MSS, during segment loading */
1160 ret = q6v5_xfer_mem_ownership(qproc, &qproc->mpss_perm, true, true,
1161 qproc->mpss_phys, qproc->mpss_size);
1164 "assigning Q6 access to mpss memory failed: %d\n", ret);
1166 goto release_firmware;
1169 mpss_reloc = relocate ? min_addr : qproc->mpss_phys;
1170 qproc->mpss_reloc = mpss_reloc;
1171 /* Load firmware segments */
1172 for (i = 0; i < ehdr->e_phnum; i++) {
1175 if (!q6v5_phdr_valid(phdr))
1178 offset = phdr->p_paddr - mpss_reloc;
1179 if (offset < 0 || offset + phdr->p_memsz > qproc->mpss_size) {
1180 dev_err(qproc->dev, "segment outside memory range\n");
1182 goto release_firmware;
1185 if (phdr->p_filesz > phdr->p_memsz) {
1187 "refusing to load segment %d with p_filesz > p_memsz\n",
1190 goto release_firmware;
1193 ptr = memremap(qproc->mpss_phys + offset, phdr->p_memsz, MEMREMAP_WC);
1196 "unable to map memory region: %pa+%zx-%x\n",
1197 &qproc->mpss_phys, offset, phdr->p_memsz);
1198 goto release_firmware;
1201 if (phdr->p_filesz && phdr->p_offset < fw->size) {
1202 /* Firmware is large enough to be non-split */
1203 if (phdr->p_offset + phdr->p_filesz > fw->size) {
1205 "failed to load segment %d from truncated file %s\n",
1209 goto release_firmware;
1212 memcpy(ptr, fw->data + phdr->p_offset, phdr->p_filesz);
1213 } else if (phdr->p_filesz) {
1214 /* Replace "xxx.xxx" with "xxx.bxx" */
1215 sprintf(fw_name + fw_name_len - 3, "b%02d", i);
1216 ret = reject_firmware_into_buf(&seg_fw, fw_name, qproc->dev,
1217 ptr, phdr->p_filesz);
1219 dev_err(qproc->dev, "failed to load %s\n", fw_name);
1221 goto release_firmware;
1224 if (seg_fw->size != phdr->p_filesz) {
1226 "failed to load segment %d from truncated file %s\n",
1229 release_firmware(seg_fw);
1231 goto release_firmware;
1234 release_firmware(seg_fw);
1237 if (phdr->p_memsz > phdr->p_filesz) {
1238 memset(ptr + phdr->p_filesz, 0,
1239 phdr->p_memsz - phdr->p_filesz);
1242 size += phdr->p_memsz;
1244 code_length = readl(qproc->rmb_base + RMB_PMI_CODE_LENGTH_REG);
1246 boot_addr = relocate ? qproc->mpss_phys : min_addr;
1247 writel(boot_addr, qproc->rmb_base + RMB_PMI_CODE_START_REG);
1248 writel(RMB_CMD_LOAD_READY, qproc->rmb_base + RMB_MBA_COMMAND_REG);
1250 writel(size, qproc->rmb_base + RMB_PMI_CODE_LENGTH_REG);
1252 ret = readl(qproc->rmb_base + RMB_MBA_STATUS_REG);
1254 dev_err(qproc->dev, "MPSS authentication failed: %d\n",
1256 goto release_firmware;
1260 /* Transfer ownership of modem ddr region to q6 */
1261 ret = q6v5_xfer_mem_ownership(qproc, &qproc->mpss_perm, false, true,
1262 qproc->mpss_phys, qproc->mpss_size);
1265 "assigning Q6 access to mpss memory failed: %d\n", ret);
1267 goto release_firmware;
1270 ret = q6v5_rmb_mba_wait(qproc, RMB_MBA_AUTH_COMPLETE, 10000);
1271 if (ret == -ETIMEDOUT)
1272 dev_err(qproc->dev, "MPSS authentication timed out\n");
1274 dev_err(qproc->dev, "MPSS authentication failed: %d\n", ret);
1276 qcom_pil_info_store("modem", qproc->mpss_phys, qproc->mpss_size);
1279 release_firmware(fw);
1283 return ret < 0 ? ret : 0;
1286 static void qcom_q6v5_dump_segment(struct rproc *rproc,
1287 struct rproc_dump_segment *segment,
1288 void *dest, size_t cp_offset, size_t size)
1291 struct q6v5 *qproc = rproc->priv;
1292 int offset = segment->da - qproc->mpss_reloc;
1295 /* Unlock mba before copying segments */
1296 if (!qproc->dump_mba_loaded) {
1297 ret = q6v5_reload_mba(rproc);
1299 /* Reset ownership back to Linux to copy segments */
1300 ret = q6v5_xfer_mem_ownership(qproc, &qproc->mpss_perm,
1308 ptr = memremap(qproc->mpss_phys + offset + cp_offset, size, MEMREMAP_WC);
1311 memcpy(dest, ptr, size);
1314 memset(dest, 0xff, size);
1317 qproc->current_dump_size += size;
1319 /* Reclaim mba after copying segments */
1320 if (qproc->current_dump_size == qproc->total_dump_size) {
1321 if (qproc->dump_mba_loaded) {
1322 /* Try to reset ownership back to Q6 */
1323 q6v5_xfer_mem_ownership(qproc, &qproc->mpss_perm,
1327 q6v5_mba_reclaim(qproc);
1332 static int q6v5_start(struct rproc *rproc)
1334 struct q6v5 *qproc = (struct q6v5 *)rproc->priv;
1338 ret = q6v5_mba_load(qproc);
1342 dev_info(qproc->dev, "MBA booted with%s debug policy, loading mpss\n",
1343 qproc->dp_size ? "" : "out");
1345 ret = q6v5_mpss_load(qproc);
1349 ret = qcom_q6v5_wait_for_start(&qproc->q6v5, msecs_to_jiffies(5000));
1350 if (ret == -ETIMEDOUT) {
1351 dev_err(qproc->dev, "start timed out\n");
1355 xfermemop_ret = q6v5_xfer_mem_ownership(qproc, &qproc->mba_perm, true,
1356 false, qproc->mba_phys,
1360 "Failed to reclaim mba buffer system may become unstable\n");
1362 /* Reset Dump Segment Mask */
1363 qproc->current_dump_size = 0;
1368 q6v5_mba_reclaim(qproc);
1369 q6v5_dump_mba_logs(qproc);
1374 static int q6v5_stop(struct rproc *rproc)
1376 struct q6v5 *qproc = (struct q6v5 *)rproc->priv;
1379 ret = qcom_q6v5_request_stop(&qproc->q6v5);
1380 if (ret == -ETIMEDOUT)
1381 dev_err(qproc->dev, "timed out on wait\n");
1383 q6v5_mba_reclaim(qproc);
1388 static int qcom_q6v5_register_dump_segments(struct rproc *rproc,
1389 const struct firmware *mba_fw)
1391 const struct firmware *fw;
1392 const struct elf32_phdr *phdrs;
1393 const struct elf32_phdr *phdr;
1394 const struct elf32_hdr *ehdr;
1395 struct q6v5 *qproc = rproc->priv;
1399 ret = reject_firmware(&fw, qproc->hexagon_mdt_image, qproc->dev);
1401 dev_err(qproc->dev, "unable to load %s\n",
1402 qproc->hexagon_mdt_image);
1406 rproc_coredump_set_elf_info(rproc, ELFCLASS32, EM_NONE);
1408 ehdr = (struct elf32_hdr *)fw->data;
1409 phdrs = (struct elf32_phdr *)(ehdr + 1);
1410 qproc->total_dump_size = 0;
1412 for (i = 0; i < ehdr->e_phnum; i++) {
1415 if (!q6v5_phdr_valid(phdr))
1418 ret = rproc_coredump_add_custom_segment(rproc, phdr->p_paddr,
1420 qcom_q6v5_dump_segment,
1425 qproc->total_dump_size += phdr->p_memsz;
1428 release_firmware(fw);
1432 static const struct rproc_ops q6v5_ops = {
1433 .start = q6v5_start,
1435 .parse_fw = qcom_q6v5_register_dump_segments,
1439 static void qcom_msa_handover(struct qcom_q6v5 *q6v5)
1441 struct q6v5 *qproc = container_of(q6v5, struct q6v5, q6v5);
1443 q6v5_clk_disable(qproc->dev, qproc->proxy_clks,
1444 qproc->proxy_clk_count);
1445 q6v5_regulator_disable(qproc, qproc->proxy_regs,
1446 qproc->proxy_reg_count);
1447 q6v5_pds_disable(qproc, qproc->proxy_pds, qproc->proxy_pd_count);
1450 static int q6v5_init_mem(struct q6v5 *qproc, struct platform_device *pdev)
1452 struct of_phandle_args args;
1453 struct resource *res;
1456 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "qdsp6");
1457 qproc->reg_base = devm_ioremap_resource(&pdev->dev, res);
1458 if (IS_ERR(qproc->reg_base))
1459 return PTR_ERR(qproc->reg_base);
1461 res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rmb");
1462 qproc->rmb_base = devm_ioremap_resource(&pdev->dev, res);
1463 if (IS_ERR(qproc->rmb_base))
1464 return PTR_ERR(qproc->rmb_base);
1466 ret = of_parse_phandle_with_fixed_args(pdev->dev.of_node,
1467 "qcom,halt-regs", 3, 0, &args);
1469 dev_err(&pdev->dev, "failed to parse qcom,halt-regs\n");
1473 qproc->halt_map = syscon_node_to_regmap(args.np);
1474 of_node_put(args.np);
1475 if (IS_ERR(qproc->halt_map))
1476 return PTR_ERR(qproc->halt_map);
1478 qproc->halt_q6 = args.args[0];
1479 qproc->halt_modem = args.args[1];
1480 qproc->halt_nc = args.args[2];
1482 if (qproc->has_spare_reg) {
1483 ret = of_parse_phandle_with_fixed_args(pdev->dev.of_node,
1487 dev_err(&pdev->dev, "failed to parse spare-regs\n");
1491 qproc->conn_map = syscon_node_to_regmap(args.np);
1492 of_node_put(args.np);
1493 if (IS_ERR(qproc->conn_map))
1494 return PTR_ERR(qproc->conn_map);
1496 qproc->conn_box = args.args[0];
1502 static int q6v5_init_clocks(struct device *dev, struct clk **clks,
1510 for (i = 0; clk_names[i]; i++) {
1511 clks[i] = devm_clk_get(dev, clk_names[i]);
1512 if (IS_ERR(clks[i])) {
1513 int rc = PTR_ERR(clks[i]);
1515 if (rc != -EPROBE_DEFER)
1516 dev_err(dev, "Failed to get %s clock\n",
1525 static int q6v5_pds_attach(struct device *dev, struct device **devs,
1535 while (pd_names[num_pds])
1538 for (i = 0; i < num_pds; i++) {
1539 devs[i] = dev_pm_domain_attach_by_name(dev, pd_names[i]);
1540 if (IS_ERR_OR_NULL(devs[i])) {
1541 ret = PTR_ERR(devs[i]) ? : -ENODATA;
1549 for (i--; i >= 0; i--)
1550 dev_pm_domain_detach(devs[i], false);
1555 static void q6v5_pds_detach(struct q6v5 *qproc, struct device **pds,
1560 for (i = 0; i < pd_count; i++)
1561 dev_pm_domain_detach(pds[i], false);
1564 static int q6v5_init_reset(struct q6v5 *qproc)
1566 qproc->mss_restart = devm_reset_control_get_exclusive(qproc->dev,
1568 if (IS_ERR(qproc->mss_restart)) {
1569 dev_err(qproc->dev, "failed to acquire mss restart\n");
1570 return PTR_ERR(qproc->mss_restart);
1573 if (qproc->has_alt_reset || qproc->has_spare_reg) {
1574 qproc->pdc_reset = devm_reset_control_get_exclusive(qproc->dev,
1576 if (IS_ERR(qproc->pdc_reset)) {
1577 dev_err(qproc->dev, "failed to acquire pdc reset\n");
1578 return PTR_ERR(qproc->pdc_reset);
1585 static int q6v5_alloc_memory_region(struct q6v5 *qproc)
1587 struct device_node *child;
1588 struct device_node *node;
1593 * In the absence of mba/mpss sub-child, extract the mba and mpss
1594 * reserved memory regions from device's memory-region property.
1596 child = of_get_child_by_name(qproc->dev->of_node, "mba");
1598 node = of_parse_phandle(qproc->dev->of_node,
1599 "memory-region", 0);
1601 node = of_parse_phandle(child, "memory-region", 0);
1605 ret = of_address_to_resource(node, 0, &r);
1608 dev_err(qproc->dev, "unable to resolve mba region\n");
1612 qproc->mba_phys = r.start;
1613 qproc->mba_size = resource_size(&r);
1614 qproc->mba_region = devm_ioremap_wc(qproc->dev, qproc->mba_phys, qproc->mba_size);
1615 if (!qproc->mba_region) {
1616 dev_err(qproc->dev, "unable to map memory region: %pa+%zx\n",
1617 &r.start, qproc->mba_size);
1622 node = of_parse_phandle(qproc->dev->of_node,
1623 "memory-region", 1);
1625 child = of_get_child_by_name(qproc->dev->of_node, "mpss");
1626 node = of_parse_phandle(child, "memory-region", 0);
1630 ret = of_address_to_resource(node, 0, &r);
1633 dev_err(qproc->dev, "unable to resolve mpss region\n");
1637 qproc->mpss_phys = qproc->mpss_reloc = r.start;
1638 qproc->mpss_size = resource_size(&r);
1643 static int q6v5_probe(struct platform_device *pdev)
1645 const struct rproc_hexagon_res *desc;
1647 struct rproc *rproc;
1648 const char *mba_image;
1651 desc = of_device_get_match_data(&pdev->dev);
1655 if (desc->need_mem_protection && !qcom_scm_is_available())
1656 return -EPROBE_DEFER;
1658 mba_image = desc->hexagon_mba_image;
1659 ret = of_property_read_string_index(pdev->dev.of_node, "firmware-name",
1661 if (ret < 0 && ret != -EINVAL)
1664 rproc = rproc_alloc(&pdev->dev, pdev->name, &q6v5_ops,
1665 mba_image, sizeof(*qproc));
1667 dev_err(&pdev->dev, "failed to allocate rproc\n");
1671 rproc->auto_boot = false;
1672 rproc_coredump_set_elf_info(rproc, ELFCLASS32, EM_NONE);
1674 qproc = (struct q6v5 *)rproc->priv;
1675 qproc->dev = &pdev->dev;
1676 qproc->rproc = rproc;
1677 qproc->hexagon_mdt_image = "/*(DEBLOBBED)*/";
1678 ret = of_property_read_string_index(pdev->dev.of_node, "firmware-name",
1679 1, &qproc->hexagon_mdt_image);
1680 if (ret < 0 && ret != -EINVAL)
1683 platform_set_drvdata(pdev, qproc);
1685 qproc->has_spare_reg = desc->has_spare_reg;
1686 ret = q6v5_init_mem(qproc, pdev);
1690 ret = q6v5_alloc_memory_region(qproc);
1694 ret = q6v5_init_clocks(&pdev->dev, qproc->proxy_clks,
1695 desc->proxy_clk_names);
1697 dev_err(&pdev->dev, "Failed to get proxy clocks.\n");
1700 qproc->proxy_clk_count = ret;
1702 ret = q6v5_init_clocks(&pdev->dev, qproc->reset_clks,
1703 desc->reset_clk_names);
1705 dev_err(&pdev->dev, "Failed to get reset clocks.\n");
1708 qproc->reset_clk_count = ret;
1710 ret = q6v5_init_clocks(&pdev->dev, qproc->active_clks,
1711 desc->active_clk_names);
1713 dev_err(&pdev->dev, "Failed to get active clocks.\n");
1716 qproc->active_clk_count = ret;
1718 ret = q6v5_regulator_init(&pdev->dev, qproc->proxy_regs,
1719 desc->proxy_supply);
1721 dev_err(&pdev->dev, "Failed to get proxy regulators.\n");
1724 qproc->proxy_reg_count = ret;
1726 ret = q6v5_regulator_init(&pdev->dev, qproc->active_regs,
1727 desc->active_supply);
1729 dev_err(&pdev->dev, "Failed to get active regulators.\n");
1732 qproc->active_reg_count = ret;
1734 ret = q6v5_pds_attach(&pdev->dev, qproc->active_pds,
1735 desc->active_pd_names);
1737 dev_err(&pdev->dev, "Failed to attach active power domains\n");
1740 qproc->active_pd_count = ret;
1742 ret = q6v5_pds_attach(&pdev->dev, qproc->proxy_pds,
1743 desc->proxy_pd_names);
1745 dev_err(&pdev->dev, "Failed to init power domains\n");
1746 goto detach_active_pds;
1748 qproc->proxy_pd_count = ret;
1750 qproc->has_alt_reset = desc->has_alt_reset;
1751 ret = q6v5_init_reset(qproc);
1753 goto detach_proxy_pds;
1755 qproc->version = desc->version;
1756 qproc->need_mem_protection = desc->need_mem_protection;
1757 qproc->has_mba_logs = desc->has_mba_logs;
1759 ret = qcom_q6v5_init(&qproc->q6v5, pdev, rproc, MPSS_CRASH_REASON_SMEM,
1762 goto detach_proxy_pds;
1764 qproc->mpss_perm = BIT(QCOM_SCM_VMID_HLOS);
1765 qproc->mba_perm = BIT(QCOM_SCM_VMID_HLOS);
1766 qcom_add_glink_subdev(rproc, &qproc->glink_subdev, "mpss");
1767 qcom_add_smd_subdev(rproc, &qproc->smd_subdev);
1768 qcom_add_ssr_subdev(rproc, &qproc->ssr_subdev, "mpss");
1769 qproc->sysmon = qcom_add_sysmon_subdev(rproc, "modem", 0x12);
1770 if (IS_ERR(qproc->sysmon)) {
1771 ret = PTR_ERR(qproc->sysmon);
1772 goto remove_subdevs;
1775 ret = rproc_add(rproc);
1777 goto remove_sysmon_subdev;
1781 remove_sysmon_subdev:
1782 qcom_remove_sysmon_subdev(qproc->sysmon);
1784 qcom_remove_ssr_subdev(rproc, &qproc->ssr_subdev);
1785 qcom_remove_smd_subdev(rproc, &qproc->smd_subdev);
1786 qcom_remove_glink_subdev(rproc, &qproc->glink_subdev);
1788 q6v5_pds_detach(qproc, qproc->proxy_pds, qproc->proxy_pd_count);
1790 q6v5_pds_detach(qproc, qproc->active_pds, qproc->active_pd_count);
1797 static int q6v5_remove(struct platform_device *pdev)
1799 struct q6v5 *qproc = platform_get_drvdata(pdev);
1800 struct rproc *rproc = qproc->rproc;
1804 qcom_remove_sysmon_subdev(qproc->sysmon);
1805 qcom_remove_ssr_subdev(rproc, &qproc->ssr_subdev);
1806 qcom_remove_smd_subdev(rproc, &qproc->smd_subdev);
1807 qcom_remove_glink_subdev(rproc, &qproc->glink_subdev);
1809 q6v5_pds_detach(qproc, qproc->proxy_pds, qproc->proxy_pd_count);
1810 q6v5_pds_detach(qproc, qproc->active_pds, qproc->active_pd_count);
1817 static const struct rproc_hexagon_res sc7180_mss = {
1818 .hexagon_mba_image = "/*(DEBLOBBED)*/",
1819 .proxy_clk_names = (char*[]){
1823 .reset_clk_names = (char*[]){
1829 .active_clk_names = (char*[]){
1834 .active_pd_names = (char*[]){
1838 .proxy_pd_names = (char*[]){
1844 .need_mem_protection = true,
1845 .has_alt_reset = false,
1846 .has_mba_logs = true,
1847 .has_spare_reg = true,
1848 .version = MSS_SC7180,
1851 static const struct rproc_hexagon_res sdm845_mss = {
1852 .hexagon_mba_image = "/*(DEBLOBBED)*/",
1853 .proxy_clk_names = (char*[]){
1858 .reset_clk_names = (char*[]){
1863 .active_clk_names = (char*[]){
1870 .active_pd_names = (char*[]){
1874 .proxy_pd_names = (char*[]){
1880 .need_mem_protection = true,
1881 .has_alt_reset = true,
1882 .has_mba_logs = false,
1883 .has_spare_reg = false,
1884 .version = MSS_SDM845,
1887 static const struct rproc_hexagon_res msm8998_mss = {
1888 .hexagon_mba_image = "/*(DEBLOBBED)*/",
1889 .proxy_clk_names = (char*[]){
1895 .active_clk_names = (char*[]){
1903 .proxy_pd_names = (char*[]){
1908 .need_mem_protection = true,
1909 .has_alt_reset = false,
1910 .has_mba_logs = false,
1911 .has_spare_reg = false,
1912 .version = MSS_MSM8998,
1915 static const struct rproc_hexagon_res msm8996_mss = {
1916 .hexagon_mba_image = "/*(DEBLOBBED)*/",
1917 .proxy_supply = (struct qcom_mss_reg_res[]) {
1924 .proxy_clk_names = (char*[]){
1930 .active_clk_names = (char*[]){
1939 .need_mem_protection = true,
1940 .has_alt_reset = false,
1941 .has_mba_logs = false,
1942 .has_spare_reg = false,
1943 .version = MSS_MSM8996,
1946 static const struct rproc_hexagon_res msm8916_mss = {
1947 .hexagon_mba_image = "/*(DEBLOBBED)*/",
1948 .proxy_supply = (struct qcom_mss_reg_res[]) {
1963 .proxy_clk_names = (char*[]){
1967 .active_clk_names = (char*[]){
1973 .need_mem_protection = false,
1974 .has_alt_reset = false,
1975 .has_mba_logs = false,
1976 .has_spare_reg = false,
1977 .version = MSS_MSM8916,
1980 static const struct rproc_hexagon_res msm8974_mss = {
1981 .hexagon_mba_image = "/*(DEBLOBBED)*/",
1982 .proxy_supply = (struct qcom_mss_reg_res[]) {
1997 .active_supply = (struct qcom_mss_reg_res[]) {
2005 .proxy_clk_names = (char*[]){
2009 .active_clk_names = (char*[]){
2015 .need_mem_protection = false,
2016 .has_alt_reset = false,
2017 .has_mba_logs = false,
2018 .has_spare_reg = false,
2019 .version = MSS_MSM8974,
2022 static const struct of_device_id q6v5_of_match[] = {
2023 { .compatible = "qcom,q6v5-pil", .data = &msm8916_mss},
2024 { .compatible = "qcom,msm8916-mss-pil", .data = &msm8916_mss},
2025 { .compatible = "qcom,msm8974-mss-pil", .data = &msm8974_mss},
2026 { .compatible = "qcom,msm8996-mss-pil", .data = &msm8996_mss},
2027 { .compatible = "qcom,msm8998-mss-pil", .data = &msm8998_mss},
2028 { .compatible = "qcom,sc7180-mss-pil", .data = &sc7180_mss},
2029 { .compatible = "qcom,sdm845-mss-pil", .data = &sdm845_mss},
2032 MODULE_DEVICE_TABLE(of, q6v5_of_match);
2034 static struct platform_driver q6v5_driver = {
2035 .probe = q6v5_probe,
2036 .remove = q6v5_remove,
2038 .name = "qcom-q6v5-mss",
2039 .of_match_table = q6v5_of_match,
2042 module_platform_driver(q6v5_driver);
2044 MODULE_DESCRIPTION("Qualcomm Self-authenticating modem remoteproc driver");
2045 MODULE_LICENSE("GPL v2");