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path: root/drivers/remoteproc/qcom_q6v5_mss.c
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Diffstat (limited to 'drivers/remoteproc/qcom_q6v5_mss.c')
-rw-r--r--drivers/remoteproc/qcom_q6v5_mss.c1508
1 files changed, 1508 insertions, 0 deletions
diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c
new file mode 100644
index 000000000000..01be7314e176
--- /dev/null
+++ b/drivers/remoteproc/qcom_q6v5_mss.c
@@ -0,0 +1,1508 @@
+/*
+ * Qualcomm self-authenticating modem subsystem remoteproc driver
+ *
+ * Copyright (C) 2016 Linaro Ltd.
+ * Copyright (C) 2014 Sony Mobile Communications AB
+ * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/interrupt.h>
+#include <linux/kernel.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/of_address.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+#include <linux/remoteproc.h>
+#include <linux/reset.h>
+#include <linux/soc/qcom/mdt_loader.h>
+#include <linux/iopoll.h>
+
+#include "remoteproc_internal.h"
+#include "qcom_common.h"
+#include "qcom_q6v5.h"
+
+#include <linux/qcom_scm.h>
+
+#define MPSS_CRASH_REASON_SMEM 421
+
+/* RMB Status Register Values */
+#define RMB_PBL_SUCCESS 0x1
+
+#define RMB_MBA_XPU_UNLOCKED 0x1
+#define RMB_MBA_XPU_UNLOCKED_SCRIBBLED 0x2
+#define RMB_MBA_META_DATA_AUTH_SUCCESS 0x3
+#define RMB_MBA_AUTH_COMPLETE 0x4
+
+/* PBL/MBA interface registers */
+#define RMB_MBA_IMAGE_REG 0x00
+#define RMB_PBL_STATUS_REG 0x04
+#define RMB_MBA_COMMAND_REG 0x08
+#define RMB_MBA_STATUS_REG 0x0C
+#define RMB_PMI_META_DATA_REG 0x10
+#define RMB_PMI_CODE_START_REG 0x14
+#define RMB_PMI_CODE_LENGTH_REG 0x18
+#define RMB_MBA_MSS_STATUS 0x40
+#define RMB_MBA_ALT_RESET 0x44
+
+#define RMB_CMD_META_DATA_READY 0x1
+#define RMB_CMD_LOAD_READY 0x2
+
+/* QDSP6SS Register Offsets */
+#define QDSP6SS_RESET_REG 0x014
+#define QDSP6SS_GFMUX_CTL_REG 0x020
+#define QDSP6SS_PWR_CTL_REG 0x030
+#define QDSP6SS_MEM_PWR_CTL 0x0B0
+#define QDSP6SS_STRAP_ACC 0x110
+
+/* AXI Halt Register Offsets */
+#define AXI_HALTREQ_REG 0x0
+#define AXI_HALTACK_REG 0x4
+#define AXI_IDLE_REG 0x8
+
+#define HALT_ACK_TIMEOUT_MS 100
+
+/* QDSP6SS_RESET */
+#define Q6SS_STOP_CORE BIT(0)
+#define Q6SS_CORE_ARES BIT(1)
+#define Q6SS_BUS_ARES_ENABLE BIT(2)
+
+/* QDSP6SS_GFMUX_CTL */
+#define Q6SS_CLK_ENABLE BIT(1)
+
+/* QDSP6SS_PWR_CTL */
+#define Q6SS_L2DATA_SLP_NRET_N_0 BIT(0)
+#define Q6SS_L2DATA_SLP_NRET_N_1 BIT(1)
+#define Q6SS_L2DATA_SLP_NRET_N_2 BIT(2)
+#define Q6SS_L2TAG_SLP_NRET_N BIT(16)
+#define Q6SS_ETB_SLP_NRET_N BIT(17)
+#define Q6SS_L2DATA_STBY_N BIT(18)
+#define Q6SS_SLP_RET_N BIT(19)
+#define Q6SS_CLAMP_IO BIT(20)
+#define QDSS_BHS_ON BIT(21)
+#define QDSS_LDO_BYP BIT(22)
+
+/* QDSP6v56 parameters */
+#define QDSP6v56_LDO_BYP BIT(25)
+#define QDSP6v56_BHS_ON BIT(24)
+#define QDSP6v56_CLAMP_WL BIT(21)
+#define QDSP6v56_CLAMP_QMC_MEM BIT(22)
+#define HALT_CHECK_MAX_LOOPS 200
+#define QDSP6SS_XO_CBCR 0x0038
+#define QDSP6SS_ACC_OVERRIDE_VAL 0x20
+
+/* QDSP6v65 parameters */
+#define QDSP6SS_SLEEP 0x3C
+#define QDSP6SS_BOOT_CORE_START 0x400
+#define QDSP6SS_BOOT_CMD 0x404
+#define SLEEP_CHECK_MAX_LOOPS 200
+#define BOOT_FSM_TIMEOUT 10000
+
+struct reg_info {
+ struct regulator *reg;
+ int uV;
+ int uA;
+};
+
+struct qcom_mss_reg_res {
+ const char *supply;
+ int uV;
+ int uA;
+};
+
+struct rproc_hexagon_res {
+ const char *hexagon_mba_image;
+ struct qcom_mss_reg_res *proxy_supply;
+ struct qcom_mss_reg_res *active_supply;
+ char **proxy_clk_names;
+ char **reset_clk_names;
+ char **active_clk_names;
+ int version;
+ bool need_mem_protection;
+ bool has_alt_reset;
+};
+
+struct q6v5 {
+ struct device *dev;
+ struct rproc *rproc;
+
+ void __iomem *reg_base;
+ void __iomem *rmb_base;
+
+ struct regmap *halt_map;
+ u32 halt_q6;
+ u32 halt_modem;
+ u32 halt_nc;
+
+ struct reset_control *mss_restart;
+ struct reset_control *pdc_reset;
+
+ struct qcom_q6v5 q6v5;
+
+ struct clk *active_clks[8];
+ struct clk *reset_clks[4];
+ struct clk *proxy_clks[4];
+ int active_clk_count;
+ int reset_clk_count;
+ int proxy_clk_count;
+
+ struct reg_info active_regs[1];
+ struct reg_info proxy_regs[3];
+ int active_reg_count;
+ int proxy_reg_count;
+
+ bool running;
+
+ bool dump_mba_loaded;
+ unsigned long dump_segment_mask;
+ unsigned long dump_complete_mask;
+
+ phys_addr_t mba_phys;
+ void *mba_region;
+ size_t mba_size;
+
+ phys_addr_t mpss_phys;
+ phys_addr_t mpss_reloc;
+ void *mpss_region;
+ size_t mpss_size;
+
+ struct qcom_rproc_glink glink_subdev;
+ struct qcom_rproc_subdev smd_subdev;
+ struct qcom_rproc_ssr ssr_subdev;
+ struct qcom_sysmon *sysmon;
+ bool need_mem_protection;
+ bool has_alt_reset;
+ int mpss_perm;
+ int mba_perm;
+ int version;
+};
+
+enum {
+ MSS_MSM8916,
+ MSS_MSM8974,
+ MSS_MSM8996,
+ MSS_SDM845,
+};
+
+static int q6v5_regulator_init(struct device *dev, struct reg_info *regs,
+ const struct qcom_mss_reg_res *reg_res)
+{
+ int rc;
+ int i;
+
+ if (!reg_res)
+ return 0;
+
+ for (i = 0; reg_res[i].supply; i++) {
+ regs[i].reg = devm_regulator_get(dev, reg_res[i].supply);
+ if (IS_ERR(regs[i].reg)) {
+ rc = PTR_ERR(regs[i].reg);
+ if (rc != -EPROBE_DEFER)
+ dev_err(dev, "Failed to get %s\n regulator",
+ reg_res[i].supply);
+ return rc;
+ }
+
+ regs[i].uV = reg_res[i].uV;
+ regs[i].uA = reg_res[i].uA;
+ }
+
+ return i;
+}
+
+static int q6v5_regulator_enable(struct q6v5 *qproc,
+ struct reg_info *regs, int count)
+{
+ int ret;
+ int i;
+
+ for (i = 0; i < count; i++) {
+ if (regs[i].uV > 0) {
+ ret = regulator_set_voltage(regs[i].reg,
+ regs[i].uV, INT_MAX);
+ if (ret) {
+ dev_err(qproc->dev,
+ "Failed to request voltage for %d.\n",
+ i);
+ goto err;
+ }
+ }
+
+ if (regs[i].uA > 0) {
+ ret = regulator_set_load(regs[i].reg,
+ regs[i].uA);
+ if (ret < 0) {
+ dev_err(qproc->dev,
+ "Failed to set regulator mode\n");
+ goto err;
+ }
+ }
+
+ ret = regulator_enable(regs[i].reg);
+ if (ret) {
+ dev_err(qproc->dev, "Regulator enable failed\n");
+ goto err;
+ }
+ }
+
+ return 0;
+err:
+ for (; i >= 0; i--) {
+ if (regs[i].uV > 0)
+ regulator_set_voltage(regs[i].reg, 0, INT_MAX);
+
+ if (regs[i].uA > 0)
+ regulator_set_load(regs[i].reg, 0);
+
+ regulator_disable(regs[i].reg);
+ }
+
+ return ret;
+}
+
+static void q6v5_regulator_disable(struct q6v5 *qproc,
+ struct reg_info *regs, int count)
+{
+ int i;
+
+ for (i = 0; i < count; i++) {
+ if (regs[i].uV > 0)
+ regulator_set_voltage(regs[i].reg, 0, INT_MAX);
+
+ if (regs[i].uA > 0)
+ regulator_set_load(regs[i].reg, 0);
+
+ regulator_disable(regs[i].reg);
+ }
+}
+
+static int q6v5_clk_enable(struct device *dev,
+ struct clk **clks, int count)
+{
+ int rc;
+ int i;
+
+ for (i = 0; i < count; i++) {
+ rc = clk_prepare_enable(clks[i]);
+ if (rc) {
+ dev_err(dev, "Clock enable failed\n");
+ goto err;
+ }
+ }
+
+ return 0;
+err:
+ for (i--; i >= 0; i--)
+ clk_disable_unprepare(clks[i]);
+
+ return rc;
+}
+
+static void q6v5_clk_disable(struct device *dev,
+ struct clk **clks, int count)
+{
+ int i;
+
+ for (i = 0; i < count; i++)
+ clk_disable_unprepare(clks[i]);
+}
+
+static int q6v5_xfer_mem_ownership(struct q6v5 *qproc, int *current_perm,
+ bool remote_owner, phys_addr_t addr,
+ size_t size)
+{
+ struct qcom_scm_vmperm next;
+
+ if (!qproc->need_mem_protection)
+ return 0;
+ if (remote_owner && *current_perm == BIT(QCOM_SCM_VMID_MSS_MSA))
+ return 0;
+ if (!remote_owner && *current_perm == BIT(QCOM_SCM_VMID_HLOS))
+ return 0;
+
+ next.vmid = remote_owner ? QCOM_SCM_VMID_MSS_MSA : QCOM_SCM_VMID_HLOS;
+ next.perm = remote_owner ? QCOM_SCM_PERM_RW : QCOM_SCM_PERM_RWX;
+
+ return qcom_scm_assign_mem(addr, ALIGN(size, SZ_4K),
+ current_perm, &next, 1);
+}
+
+static int q6v5_load(struct rproc *rproc, const struct firmware *fw)
+{
+ struct q6v5 *qproc = rproc->priv;
+
+ memcpy(qproc->mba_region, fw->data, fw->size);
+
+ return 0;
+}
+
+static int q6v5_reset_assert(struct q6v5 *qproc)
+{
+ int ret;
+
+ if (qproc->has_alt_reset) {
+ reset_control_assert(qproc->pdc_reset);
+ ret = reset_control_reset(qproc->mss_restart);
+ reset_control_deassert(qproc->pdc_reset);
+ } else {
+ ret = reset_control_assert(qproc->mss_restart);
+ }
+
+ return ret;
+}
+
+static int q6v5_reset_deassert(struct q6v5 *qproc)
+{
+ int ret;
+
+ if (qproc->has_alt_reset) {
+ reset_control_assert(qproc->pdc_reset);
+ writel(1, qproc->rmb_base + RMB_MBA_ALT_RESET);
+ ret = reset_control_reset(qproc->mss_restart);
+ writel(0, qproc->rmb_base + RMB_MBA_ALT_RESET);
+ reset_control_deassert(qproc->pdc_reset);
+ } else {
+ ret = reset_control_deassert(qproc->mss_restart);
+ }
+
+ return ret;
+}
+
+static int q6v5_rmb_pbl_wait(struct q6v5 *qproc, int ms)
+{
+ unsigned long timeout;
+ s32 val;
+
+ timeout = jiffies + msecs_to_jiffies(ms);
+ for (;;) {
+ val = readl(qproc->rmb_base + RMB_PBL_STATUS_REG);
+ if (val)
+ break;
+
+ if (time_after(jiffies, timeout))
+ return -ETIMEDOUT;
+
+ msleep(1);
+ }
+
+ return val;
+}
+
+static int q6v5_rmb_mba_wait(struct q6v5 *qproc, u32 status, int ms)
+{
+
+ unsigned long timeout;
+ s32 val;
+
+ timeout = jiffies + msecs_to_jiffies(ms);
+ for (;;) {
+ val = readl(qproc->rmb_base + RMB_MBA_STATUS_REG);
+ if (val < 0)
+ break;
+
+ if (!status && val)
+ break;
+ else if (status && val == status)
+ break;
+
+ if (time_after(jiffies, timeout))
+ return -ETIMEDOUT;
+
+ msleep(1);
+ }
+
+ return val;
+}
+
+static int q6v5proc_reset(struct q6v5 *qproc)
+{
+ u32 val;
+ int ret;
+ int i;
+
+ if (qproc->version == MSS_SDM845) {
+ val = readl(qproc->reg_base + QDSP6SS_SLEEP);
+ val |= 0x1;
+ writel(val, qproc->reg_base + QDSP6SS_SLEEP);
+
+ ret = readl_poll_timeout(qproc->reg_base + QDSP6SS_SLEEP,
+ val, !(val & BIT(31)), 1,
+ SLEEP_CHECK_MAX_LOOPS);
+ if (ret) {
+ dev_err(qproc->dev, "QDSP6SS Sleep clock timed out\n");
+ return -ETIMEDOUT;
+ }
+
+ /* De-assert QDSP6 stop core */
+ writel(1, qproc->reg_base + QDSP6SS_BOOT_CORE_START);
+ /* Trigger boot FSM */
+ writel(1, qproc->reg_base + QDSP6SS_BOOT_CMD);
+
+ ret = readl_poll_timeout(qproc->rmb_base + RMB_MBA_MSS_STATUS,
+ val, (val & BIT(0)) != 0, 10, BOOT_FSM_TIMEOUT);
+ if (ret) {
+ dev_err(qproc->dev, "Boot FSM failed to complete.\n");
+ /* Reset the modem so that boot FSM is in reset state */
+ q6v5_reset_deassert(qproc);
+ return ret;
+ }
+
+ goto pbl_wait;
+ } else if (qproc->version == MSS_MSM8996) {
+ /* Override the ACC value if required */
+ writel(QDSP6SS_ACC_OVERRIDE_VAL,
+ qproc->reg_base + QDSP6SS_STRAP_ACC);
+
+ /* Assert resets, stop core */
+ val = readl(qproc->reg_base + QDSP6SS_RESET_REG);
+ val |= Q6SS_CORE_ARES | Q6SS_BUS_ARES_ENABLE | Q6SS_STOP_CORE;
+ writel(val, qproc->reg_base + QDSP6SS_RESET_REG);
+
+ /* BHS require xo cbcr to be enabled */
+ val = readl(qproc->reg_base + QDSP6SS_XO_CBCR);
+ val |= 0x1;
+ writel(val, qproc->reg_base + QDSP6SS_XO_CBCR);
+
+ /* Read CLKOFF bit to go low indicating CLK is enabled */
+ ret = readl_poll_timeout(qproc->reg_base + QDSP6SS_XO_CBCR,
+ val, !(val & BIT(31)), 1,
+ HALT_CHECK_MAX_LOOPS);
+ if (ret) {
+ dev_err(qproc->dev,
+ "xo cbcr enabling timed out (rc:%d)\n", ret);
+ return ret;
+ }
+ /* Enable power block headswitch and wait for it to stabilize */
+ val = readl(qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+ val |= QDSP6v56_BHS_ON;
+ writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+ val |= readl(qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+ udelay(1);
+
+ /* Put LDO in bypass mode */
+ val |= QDSP6v56_LDO_BYP;
+ writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+
+ /* Deassert QDSP6 compiler memory clamp */
+ val = readl(qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+ val &= ~QDSP6v56_CLAMP_QMC_MEM;
+ writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+
+ /* Deassert memory peripheral sleep and L2 memory standby */
+ val |= Q6SS_L2DATA_STBY_N | Q6SS_SLP_RET_N;
+ writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+
+ /* Turn on L1, L2, ETB and JU memories 1 at a time */
+ val = readl(qproc->reg_base + QDSP6SS_MEM_PWR_CTL);
+ for (i = 19; i >= 0; i--) {
+ val |= BIT(i);
+ writel(val, qproc->reg_base +
+ QDSP6SS_MEM_PWR_CTL);
+ /*
+ * Read back value to ensure the write is done then
+ * wait for 1us for both memory peripheral and data
+ * array to turn on.
+ */
+ val |= readl(qproc->reg_base + QDSP6SS_MEM_PWR_CTL);
+ udelay(1);
+ }
+ /* Remove word line clamp */
+ val = readl(qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+ val &= ~QDSP6v56_CLAMP_WL;
+ writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+ } else {
+ /* Assert resets, stop core */
+ val = readl(qproc->reg_base + QDSP6SS_RESET_REG);
+ val |= Q6SS_CORE_ARES | Q6SS_BUS_ARES_ENABLE | Q6SS_STOP_CORE;
+ writel(val, qproc->reg_base + QDSP6SS_RESET_REG);
+
+ /* Enable power block headswitch and wait for it to stabilize */
+ val = readl(qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+ val |= QDSS_BHS_ON | QDSS_LDO_BYP;
+ writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+ val |= readl(qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+ udelay(1);
+ /*
+ * Turn on memories. L2 banks should be done individually
+ * to minimize inrush current.
+ */
+ val = readl(qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+ val |= Q6SS_SLP_RET_N | Q6SS_L2TAG_SLP_NRET_N |
+ Q6SS_ETB_SLP_NRET_N | Q6SS_L2DATA_STBY_N;
+ writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+ val |= Q6SS_L2DATA_SLP_NRET_N_2;
+ writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+ val |= Q6SS_L2DATA_SLP_NRET_N_1;
+ writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+ val |= Q6SS_L2DATA_SLP_NRET_N_0;
+ writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+ }
+ /* Remove IO clamp */
+ val &= ~Q6SS_CLAMP_IO;
+ writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+
+ /* Bring core out of reset */
+ val = readl(qproc->reg_base + QDSP6SS_RESET_REG);
+ val &= ~Q6SS_CORE_ARES;
+ writel(val, qproc->reg_base + QDSP6SS_RESET_REG);
+
+ /* Turn on core clock */
+ val = readl(qproc->reg_base + QDSP6SS_GFMUX_CTL_REG);
+ val |= Q6SS_CLK_ENABLE;
+ writel(val, qproc->reg_base + QDSP6SS_GFMUX_CTL_REG);
+
+ /* Start core execution */
+ val = readl(qproc->reg_base + QDSP6SS_RESET_REG);
+ val &= ~Q6SS_STOP_CORE;
+ writel(val, qproc->reg_base + QDSP6SS_RESET_REG);
+
+pbl_wait:
+ /* Wait for PBL status */
+ ret = q6v5_rmb_pbl_wait(qproc, 1000);
+ if (ret == -ETIMEDOUT) {
+ dev_err(qproc->dev, "PBL boot timed out\n");
+ } else if (ret != RMB_PBL_SUCCESS) {
+ dev_err(qproc->dev, "PBL returned unexpected status %d\n", ret);
+ ret = -EINVAL;
+ } else {
+ ret = 0;
+ }
+
+ return ret;
+}
+
+static void q6v5proc_halt_axi_port(struct q6v5 *qproc,
+ struct regmap *halt_map,
+ u32 offset)
+{
+ unsigned long timeout;
+ unsigned int val;
+ int ret;
+
+ /* Check if we're already idle */
+ ret = regmap_read(halt_map, offset + AXI_IDLE_REG, &val);
+ if (!ret && val)
+ return;
+
+ /* Assert halt request */
+ regmap_write(halt_map, offset + AXI_HALTREQ_REG, 1);
+
+ /* Wait for halt */
+ timeout = jiffies + msecs_to_jiffies(HALT_ACK_TIMEOUT_MS);
+ for (;;) {
+ ret = regmap_read(halt_map, offset + AXI_HALTACK_REG, &val);
+ if (ret || val || time_after(jiffies, timeout))
+ break;
+
+ msleep(1);
+ }
+
+ ret = regmap_read(halt_map, offset + AXI_IDLE_REG, &val);
+ if (ret || !val)
+ dev_err(qproc->dev, "port failed halt\n");
+
+ /* Clear halt request (port will remain halted until reset) */
+ regmap_write(halt_map, offset + AXI_HALTREQ_REG, 0);
+}
+
+static int q6v5_mpss_init_image(struct q6v5 *qproc, const struct firmware *fw)
+{
+ unsigned long dma_attrs = DMA_ATTR_FORCE_CONTIGUOUS;
+ dma_addr_t phys;
+ int mdata_perm;
+ int xferop_ret;
+ void *ptr;
+ int ret;
+
+ ptr = dma_alloc_attrs(qproc->dev, fw->size, &phys, GFP_KERNEL, dma_attrs);
+ if (!ptr) {
+ dev_err(qproc->dev, "failed to allocate mdt buffer\n");
+ return -ENOMEM;
+ }
+
+ memcpy(ptr, fw->data, fw->size);
+
+ /* Hypervisor mapping to access metadata by modem */
+ mdata_perm = BIT(QCOM_SCM_VMID_HLOS);
+ ret = q6v5_xfer_mem_ownership(qproc, &mdata_perm,
+ true, phys, fw->size);
+ if (ret) {
+ dev_err(qproc->dev,
+ "assigning Q6 access to metadata failed: %d\n", ret);
+ ret = -EAGAIN;
+ goto free_dma_attrs;
+ }
+
+ writel(phys, qproc->rmb_base + RMB_PMI_META_DATA_REG);
+ writel(RMB_CMD_META_DATA_READY, qproc->rmb_base + RMB_MBA_COMMAND_REG);
+
+ ret = q6v5_rmb_mba_wait(qproc, RMB_MBA_META_DATA_AUTH_SUCCESS, 1000);
+ if (ret == -ETIMEDOUT)
+ dev_err(qproc->dev, "MPSS header authentication timed out\n");
+ else if (ret < 0)
+ dev_err(qproc->dev, "MPSS header authentication failed: %d\n", ret);
+
+ /* Metadata authentication done, remove modem access */
+ xferop_ret = q6v5_xfer_mem_ownership(qproc, &mdata_perm,
+ false, phys, fw->size);
+ if (xferop_ret)
+ dev_warn(qproc->dev,
+ "mdt buffer not reclaimed system may become unstable\n");
+
+free_dma_attrs:
+ dma_free_attrs(qproc->dev, fw->size, ptr, phys, dma_attrs);
+
+ return ret < 0 ? ret : 0;
+}
+
+static bool q6v5_phdr_valid(const struct elf32_phdr *phdr)
+{
+ if (phdr->p_type != PT_LOAD)
+ return false;
+
+ if ((phdr->p_flags & QCOM_MDT_TYPE_MASK) == QCOM_MDT_TYPE_HASH)
+ return false;
+
+ if (!phdr->p_memsz)
+ return false;
+
+ return true;
+}
+
+static int q6v5_mba_load(struct q6v5 *qproc)
+{
+ int ret;
+ int xfermemop_ret;
+
+ qcom_q6v5_prepare(&qproc->q6v5);
+
+ ret = q6v5_regulator_enable(qproc, qproc->proxy_regs,
+ qproc->proxy_reg_count);
+ if (ret) {
+ dev_err(qproc->dev, "failed to enable proxy supplies\n");
+ goto disable_irqs;
+ }
+
+ ret = q6v5_clk_enable(qproc->dev, qproc->proxy_clks,
+ qproc->proxy_clk_count);
+ if (ret) {
+ dev_err(qproc->dev, "failed to enable proxy clocks\n");
+ goto disable_proxy_reg;
+ }
+
+ ret = q6v5_regulator_enable(qproc, qproc->active_regs,
+ qproc->active_reg_count);
+ if (ret) {
+ dev_err(qproc->dev, "failed to enable supplies\n");
+ goto disable_proxy_clk;
+ }
+
+ ret = q6v5_clk_enable(qproc->dev, qproc->reset_clks,
+ qproc->reset_clk_count);
+ if (ret) {
+ dev_err(qproc->dev, "failed to enable reset clocks\n");
+ goto disable_vdd;
+ }
+
+ ret = q6v5_reset_deassert(qproc);
+ if (ret) {
+ dev_err(qproc->dev, "failed to deassert mss restart\n");
+ goto disable_reset_clks;
+ }
+
+ ret = q6v5_clk_enable(qproc->dev, qproc->active_clks,
+ qproc->active_clk_count);
+ if (ret) {
+ dev_err(qproc->dev, "failed to enable clocks\n");
+ goto assert_reset;
+ }
+
+ /* Assign MBA image access in DDR to q6 */
+ ret = q6v5_xfer_mem_ownership(qproc, &qproc->mba_perm, true,
+ qproc->mba_phys, qproc->mba_size);
+ if (ret) {
+ dev_err(qproc->dev,
+ "assigning Q6 access to mba memory failed: %d\n", ret);
+ goto disable_active_clks;
+ }
+
+ writel(qproc->mba_phys, qproc->rmb_base + RMB_MBA_IMAGE_REG);
+
+ ret = q6v5proc_reset(qproc);
+ if (ret)
+ goto reclaim_mba;
+
+ ret = q6v5_rmb_mba_wait(qproc, 0, 5000);
+ if (ret == -ETIMEDOUT) {
+ dev_err(qproc->dev, "MBA boot timed out\n");
+ goto halt_axi_ports;
+ } else if (ret != RMB_MBA_XPU_UNLOCKED &&
+ ret != RMB_MBA_XPU_UNLOCKED_SCRIBBLED) {
+ dev_err(qproc->dev, "MBA returned unexpected status %d\n", ret);
+ ret = -EINVAL;
+ goto halt_axi_ports;
+ }
+
+ qproc->dump_mba_loaded = true;
+ return 0;
+
+halt_axi_ports:
+ q6v5proc_halt_axi_port(qproc, qproc->halt_map, qproc->halt_q6);
+ q6v5proc_halt_axi_port(qproc, qproc->halt_map, qproc->halt_modem);
+ q6v5proc_halt_axi_port(qproc, qproc->halt_map, qproc->halt_nc);
+
+reclaim_mba:
+ xfermemop_ret = q6v5_xfer_mem_ownership(qproc, &qproc->mba_perm, false,
+ qproc->mba_phys,
+ qproc->mba_size);
+ if (xfermemop_ret) {
+ dev_err(qproc->dev,
+ "Failed to reclaim mba buffer, system may become unstable\n");
+ }
+
+disable_active_clks:
+ q6v5_clk_disable(qproc->dev, qproc->active_clks,
+ qproc->active_clk_count);
+assert_reset:
+ q6v5_reset_assert(qproc);
+disable_reset_clks:
+ q6v5_clk_disable(qproc->dev, qproc->reset_clks,
+ qproc->reset_clk_count);
+disable_vdd:
+ q6v5_regulator_disable(qproc, qproc->active_regs,
+ qproc->active_reg_count);
+disable_proxy_clk:
+ q6v5_clk_disable(qproc->dev, qproc->proxy_clks,
+ qproc->proxy_clk_count);
+disable_proxy_reg:
+ q6v5_regulator_disable(qproc, qproc->proxy_regs,
+ qproc->proxy_reg_count);
+disable_irqs:
+ qcom_q6v5_unprepare(&qproc->q6v5);
+
+ return ret;
+}
+
+static void q6v5_mba_reclaim(struct q6v5 *qproc)
+{
+ int ret;
+ u32 val;
+
+ qproc->dump_mba_loaded = false;
+
+ q6v5proc_halt_axi_port(qproc, qproc->halt_map, qproc->halt_q6);
+ q6v5proc_halt_axi_port(qproc, qproc->halt_map, qproc->halt_modem);
+ q6v5proc_halt_axi_port(qproc, qproc->halt_map, qproc->halt_nc);
+ if (qproc->version == MSS_MSM8996) {
+ /*
+ * To avoid high MX current during LPASS/MSS restart.
+ */
+ val = readl(qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+ val |= Q6SS_CLAMP_IO | QDSP6v56_CLAMP_WL |
+ QDSP6v56_CLAMP_QMC_MEM;
+ writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG);
+ }
+
+ ret = q6v5_xfer_mem_ownership(qproc, &qproc->mpss_perm,
+ false, qproc->mpss_phys,
+ qproc->mpss_size);
+ WARN_ON(ret);
+
+ q6v5_reset_assert(qproc);
+
+ q6v5_clk_disable(qproc->dev, qproc->reset_clks,
+ qproc->reset_clk_count);
+ q6v5_clk_disable(qproc->dev, qproc->active_clks,
+ qproc->active_clk_count);
+ q6v5_regulator_disable(qproc, qproc->active_regs,
+ qproc->active_reg_count);
+
+ /* In case of failure or coredump scenario where reclaiming MBA memory
+ * could not happen reclaim it here.
+ */
+ ret = q6v5_xfer_mem_ownership(qproc, &qproc->mba_perm, false,
+ qproc->mba_phys,
+ qproc->mba_size);
+ WARN_ON(ret);
+
+ ret = qcom_q6v5_unprepare(&qproc->q6v5);
+ if (ret) {
+ q6v5_clk_disable(qproc->dev, qproc->proxy_clks,
+ qproc->proxy_clk_count);
+ q6v5_regulator_disable(qproc, qproc->proxy_regs,
+ qproc->proxy_reg_count);
+ }
+}
+
+static int q6v5_mpss_load(struct q6v5 *qproc)
+{
+ const struct elf32_phdr *phdrs;
+ const struct elf32_phdr *phdr;
+ const struct firmware *seg_fw;
+ const struct firmware *fw;
+ struct elf32_hdr *ehdr;
+ phys_addr_t mpss_reloc;
+ phys_addr_t boot_addr;
+ phys_addr_t min_addr = PHYS_ADDR_MAX;
+ phys_addr_t max_addr = 0;
+ bool relocate = false;
+ char seg_name[10];
+ ssize_t offset;
+ size_t size = 0;
+ void *ptr;
+ int ret;
+ int i;
+
+ ret = request_firmware(&fw, "modem.mdt", qproc->dev);
+ if (ret < 0) {
+ dev_err(qproc->dev, "unable to load modem.mdt\n");
+ return ret;
+ }
+
+ /* Initialize the RMB validator */
+ writel(0, qproc->rmb_base + RMB_PMI_CODE_LENGTH_REG);
+
+ ret = q6v5_mpss_init_image(qproc, fw);
+ if (ret)
+ goto release_firmware;
+
+ ehdr = (struct elf32_hdr *)fw->data;
+ phdrs = (struct elf32_phdr *)(ehdr + 1);
+
+ for (i = 0; i < ehdr->e_phnum; i++) {
+ phdr = &phdrs[i];
+
+ if (!q6v5_phdr_valid(phdr))
+ continue;
+
+ if (phdr->p_flags & QCOM_MDT_RELOCATABLE)
+ relocate = true;
+
+ if (phdr->p_paddr < min_addr)
+ min_addr = phdr->p_paddr;
+
+ if (phdr->p_paddr + phdr->p_memsz > max_addr)
+ max_addr = ALIGN(phdr->p_paddr + phdr->p_memsz, SZ_4K);
+ }
+
+ mpss_reloc = relocate ? min_addr : qproc->mpss_phys;
+ qproc->mpss_reloc = mpss_reloc;
+ /* Load firmware segments */
+ for (i = 0; i < ehdr->e_phnum; i++) {
+ phdr = &phdrs[i];
+
+ if (!q6v5_phdr_valid(phdr))
+ continue;
+
+ offset = phdr->p_paddr - mpss_reloc;
+ if (offset < 0 || offset + phdr->p_memsz > qproc->mpss_size) {
+ dev_err(qproc->dev, "segment outside memory range\n");
+ ret = -EINVAL;
+ goto release_firmware;
+ }
+
+ ptr = qproc->mpss_region + offset;
+
+ if (phdr->p_filesz) {
+ snprintf(seg_name, sizeof(seg_name), "modem.b%02d", i);
+ ret = request_firmware(&seg_fw, seg_name, qproc->dev);
+ if (ret) {
+ dev_err(qproc->dev, "failed to load %s\n", seg_name);
+ goto release_firmware;
+ }
+
+ memcpy(ptr, seg_fw->data, seg_fw->size);
+
+ release_firmware(seg_fw);
+ }
+
+ if (phdr->p_memsz > phdr->p_filesz) {
+ memset(ptr + phdr->p_filesz, 0,
+ phdr->p_memsz - phdr->p_filesz);
+ }
+ size += phdr->p_memsz;
+ }
+
+ /* Transfer ownership of modem ddr region to q6 */
+ ret = q6v5_xfer_mem_ownership(qproc, &qproc->mpss_perm, true,
+ qproc->mpss_phys, qproc->mpss_size);
+ if (ret) {
+ dev_err(qproc->dev,
+ "assigning Q6 access to mpss memory failed: %d\n", ret);
+ ret = -EAGAIN;
+ goto release_firmware;
+ }
+
+ boot_addr = relocate ? qproc->mpss_phys : min_addr;
+ writel(boot_addr, qproc->rmb_base + RMB_PMI_CODE_START_REG);
+ writel(RMB_CMD_LOAD_READY, qproc->rmb_base + RMB_MBA_COMMAND_REG);
+ writel(size, qproc->rmb_base + RMB_PMI_CODE_LENGTH_REG);
+
+ ret = q6v5_rmb_mba_wait(qproc, RMB_MBA_AUTH_COMPLETE, 10000);
+ if (ret == -ETIMEDOUT)
+ dev_err(qproc->dev, "MPSS authentication timed out\n");
+ else if (ret < 0)
+ dev_err(qproc->dev, "MPSS authentication failed: %d\n", ret);
+
+release_firmware:
+ release_firmware(fw);
+
+ return ret < 0 ? ret : 0;
+}
+
+static void qcom_q6v5_dump_segment(struct rproc *rproc,
+ struct rproc_dump_segment *segment,
+ void *dest)
+{
+ int ret = 0;
+ struct q6v5 *qproc = rproc->priv;
+ unsigned long mask = BIT((unsigned long)segment->priv);
+ void *ptr = rproc_da_to_va(rproc, segment->da, segment->size);
+
+ /* Unlock mba before copying segments */
+ if (!qproc->dump_mba_loaded)
+ ret = q6v5_mba_load(qproc);
+
+ if (!ptr || ret)
+ memset(dest, 0xff, segment->size);
+ else
+ memcpy(dest, ptr, segment->size);
+
+ qproc->dump_segment_mask |= mask;
+
+ /* Reclaim mba after copying segments */
+ if (qproc->dump_segment_mask == qproc->dump_complete_mask) {
+ if (qproc->dump_mba_loaded)
+ q6v5_mba_reclaim(qproc);
+ }
+}
+
+static int q6v5_start(struct rproc *rproc)
+{
+ struct q6v5 *qproc = (struct q6v5 *)rproc->priv;
+ int xfermemop_ret;
+ int ret;
+
+ ret = q6v5_mba_load(qproc);
+ if (ret)
+ return ret;
+
+ dev_info(qproc->dev, "MBA booted, loading mpss\n");
+
+ ret = q6v5_mpss_load(qproc);
+ if (ret)
+ goto reclaim_mpss;
+
+ ret = qcom_q6v5_wait_for_start(&qproc->q6v5, msecs_to_jiffies(5000));
+ if (ret == -ETIMEDOUT) {
+ dev_err(qproc->dev, "start timed out\n");
+ goto reclaim_mpss;
+ }
+
+ xfermemop_ret = q6v5_xfer_mem_ownership(qproc, &qproc->mba_perm, false,
+ qproc->mba_phys,
+ qproc->mba_size);
+ if (xfermemop_ret)
+ dev_err(qproc->dev,
+ "Failed to reclaim mba buffer system may become unstable\n");
+
+ /* Reset Dump Segment Mask */
+ qproc->dump_segment_mask = 0;
+ qproc->running = true;
+
+ return 0;
+
+reclaim_mpss:
+ xfermemop_ret = q6v5_xfer_mem_ownership(qproc, &qproc->mpss_perm,
+ false, qproc->mpss_phys,
+ qproc->mpss_size);
+ WARN_ON(xfermemop_ret);
+ q6v5_mba_reclaim(qproc);
+
+ return ret;
+}
+
+static int q6v5_stop(struct rproc *rproc)
+{
+ struct q6v5 *qproc = (struct q6v5 *)rproc->priv;
+ int ret;
+
+ qproc->running = false;
+
+ ret = qcom_q6v5_request_stop(&qproc->q6v5);
+ if (ret == -ETIMEDOUT)
+ dev_err(qproc->dev, "timed out on wait\n");
+
+ q6v5_mba_reclaim(qproc);
+
+ return 0;
+}
+
+static void *q6v5_da_to_va(struct rproc *rproc, u64 da, int len)
+{
+ struct q6v5 *qproc = rproc->priv;
+ int offset;
+
+ offset = da - qproc->mpss_reloc;
+ if (offset < 0 || offset + len > qproc->mpss_size)
+ return NULL;
+
+ return qproc->mpss_region + offset;
+}
+
+static int qcom_q6v5_register_dump_segments(struct rproc *rproc,
+ const struct firmware *mba_fw)
+{
+ const struct firmware *fw;
+ const struct elf32_phdr *phdrs;
+ const struct elf32_phdr *phdr;
+ const struct elf32_hdr *ehdr;
+ struct q6v5 *qproc = rproc->priv;
+ unsigned long i;
+ int ret;
+
+ ret = request_firmware(&fw, "modem.mdt", qproc->dev);
+ if (ret < 0) {
+ dev_err(qproc->dev, "unable to load modem.mdt\n");
+ return ret;
+ }
+
+ ehdr = (struct elf32_hdr *)fw->data;
+ phdrs = (struct elf32_phdr *)(ehdr + 1);
+ qproc->dump_complete_mask = 0;
+
+ for (i = 0; i < ehdr->e_phnum; i++) {
+ phdr = &phdrs[i];
+
+ if (!q6v5_phdr_valid(phdr))
+ continue;
+
+ ret = rproc_coredump_add_custom_segment(rproc, phdr->p_paddr,
+ phdr->p_memsz,
+ qcom_q6v5_dump_segment,
+ (void *)i);
+ if (ret)
+ break;
+
+ qproc->dump_complete_mask |= BIT(i);
+ }
+
+ release_firmware(fw);
+ return ret;
+}
+
+static const struct rproc_ops q6v5_ops = {
+ .start = q6v5_start,
+ .stop = q6v5_stop,
+ .da_to_va = q6v5_da_to_va,
+ .parse_fw = qcom_q6v5_register_dump_segments,
+ .load = q6v5_load,
+};
+
+static void qcom_msa_handover(struct qcom_q6v5 *q6v5)
+{
+ struct q6v5 *qproc = container_of(q6v5, struct q6v5, q6v5);
+
+ q6v5_clk_disable(qproc->dev, qproc->proxy_clks,
+ qproc->proxy_clk_count);
+ q6v5_regulator_disable(qproc, qproc->proxy_regs,
+ qproc->proxy_reg_count);
+}
+
+static int q6v5_init_mem(struct q6v5 *qproc, struct platform_device *pdev)
+{
+ struct of_phandle_args args;
+ struct resource *res;
+ int ret;
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "qdsp6");
+ qproc->reg_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(qproc->reg_base))
+ return PTR_ERR(qproc->reg_base);
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rmb");
+ qproc->rmb_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(qproc->rmb_base))
+ return PTR_ERR(qproc->rmb_base);
+
+ ret = of_parse_phandle_with_fixed_args(pdev->dev.of_node,
+ "qcom,halt-regs", 3, 0, &args);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "failed to parse qcom,halt-regs\n");
+ return -EINVAL;
+ }
+
+ qproc->halt_map = syscon_node_to_regmap(args.np);
+ of_node_put(args.np);
+ if (IS_ERR(qproc->halt_map))
+ return PTR_ERR(qproc->halt_map);
+
+ qproc->halt_q6 = args.args[0];
+ qproc->halt_modem = args.args[1];
+ qproc->halt_nc = args.args[2];
+
+ return 0;
+}
+
+static int q6v5_init_clocks(struct device *dev, struct clk **clks,
+ char **clk_names)
+{
+ int i;
+
+ if (!clk_names)
+ return 0;
+
+ for (i = 0; clk_names[i]; i++) {
+ clks[i] = devm_clk_get(dev, clk_names[i]);
+ if (IS_ERR(clks[i])) {
+ int rc = PTR_ERR(clks[i]);
+
+ if (rc != -EPROBE_DEFER)
+ dev_err(dev, "Failed to get %s clock\n",
+ clk_names[i]);
+ return rc;
+ }
+ }
+
+ return i;
+}
+
+static int q6v5_init_reset(struct q6v5 *qproc)
+{
+ qproc->mss_restart = devm_reset_control_get_exclusive(qproc->dev,
+ "mss_restart");
+ if (IS_ERR(qproc->mss_restart)) {
+ dev_err(qproc->dev, "failed to acquire mss restart\n");
+ return PTR_ERR(qproc->mss_restart);
+ }
+
+ if (qproc->has_alt_reset) {
+ qproc->pdc_reset = devm_reset_control_get_exclusive(qproc->dev,
+ "pdc_reset");
+ if (IS_ERR(qproc->pdc_reset)) {
+ dev_err(qproc->dev, "failed to acquire pdc reset\n");
+ return PTR_ERR(qproc->pdc_reset);
+ }
+ }
+
+ return 0;
+}
+
+static int q6v5_alloc_memory_region(struct q6v5 *qproc)
+{
+ struct device_node *child;
+ struct device_node *node;
+ struct resource r;
+ int ret;
+
+ child = of_get_child_by_name(qproc->dev->of_node, "mba");
+ node = of_parse_phandle(child, "memory-region", 0);
+ ret = of_address_to_resource(node, 0, &r);
+ if (ret) {
+ dev_err(qproc->dev, "unable to resolve mba region\n");
+ return ret;
+ }
+ of_node_put(node);
+
+ qproc->mba_phys = r.start;
+ qproc->mba_size = resource_size(&r);
+ qproc->mba_region = devm_ioremap_wc(qproc->dev, qproc->mba_phys, qproc->mba_size);
+ if (!qproc->mba_region) {
+ dev_err(qproc->dev, "unable to map memory region: %pa+%zx\n",
+ &r.start, qproc->mba_size);
+ return -EBUSY;
+ }
+
+ child = of_get_child_by_name(qproc->dev->of_node, "mpss");
+ node = of_parse_phandle(child, "memory-region", 0);
+ ret = of_address_to_resource(node, 0, &r);
+ if (ret) {
+ dev_err(qproc->dev, "unable to resolve mpss region\n");
+ return ret;
+ }
+ of_node_put(node);
+
+ qproc->mpss_phys = qproc->mpss_reloc = r.start;
+ qproc->mpss_size = resource_size(&r);
+ qproc->mpss_region = devm_ioremap_wc(qproc->dev, qproc->mpss_phys, qproc->mpss_size);
+ if (!qproc->mpss_region) {
+ dev_err(qproc->dev, "unable to map memory region: %pa+%zx\n",
+ &r.start, qproc->mpss_size);
+ return -EBUSY;
+ }
+
+ return 0;
+}
+
+static int q6v5_probe(struct platform_device *pdev)
+{
+ const struct rproc_hexagon_res *desc;
+ struct q6v5 *qproc;
+ struct rproc *rproc;
+ int ret;
+
+ desc = of_device_get_match_data(&pdev->dev);
+ if (!desc)
+ return -EINVAL;
+
+ if (desc->need_mem_protection && !qcom_scm_is_available())
+ return -EPROBE_DEFER;
+
+ rproc = rproc_alloc(&pdev->dev, pdev->name, &q6v5_ops,
+ desc->hexagon_mba_image, sizeof(*qproc));
+ if (!rproc) {
+ dev_err(&pdev->dev, "failed to allocate rproc\n");
+ return -ENOMEM;
+ }
+
+ qproc = (struct q6v5 *)rproc->priv;
+ qproc->dev = &pdev->dev;
+ qproc->rproc = rproc;
+ platform_set_drvdata(pdev, qproc);
+
+ ret = q6v5_init_mem(qproc, pdev);
+ if (ret)
+ goto free_rproc;
+
+ ret = q6v5_alloc_memory_region(qproc);
+ if (ret)
+ goto free_rproc;
+
+ ret = q6v5_init_clocks(&pdev->dev, qproc->proxy_clks,
+ desc->proxy_clk_names);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Failed to get proxy clocks.\n");
+ goto free_rproc;
+ }
+ qproc->proxy_clk_count = ret;
+
+ ret = q6v5_init_clocks(&pdev->dev, qproc->reset_clks,
+ desc->reset_clk_names);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Failed to get reset clocks.\n");
+ goto free_rproc;
+ }
+ qproc->reset_clk_count = ret;
+
+ ret = q6v5_init_clocks(&pdev->dev, qproc->active_clks,
+ desc->active_clk_names);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Failed to get active clocks.\n");
+ goto free_rproc;
+ }
+ qproc->active_clk_count = ret;
+
+ ret = q6v5_regulator_init(&pdev->dev, qproc->proxy_regs,
+ desc->proxy_supply);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Failed to get proxy regulators.\n");
+ goto free_rproc;
+ }
+ qproc->proxy_reg_count = ret;
+
+ ret = q6v5_regulator_init(&pdev->dev, qproc->active_regs,
+ desc->active_supply);
+ if (ret < 0) {
+ dev_err(&pdev->dev, "Failed to get active regulators.\n");
+ goto free_rproc;
+ }
+ qproc->active_reg_count = ret;
+
+ qproc->has_alt_reset = desc->has_alt_reset;
+ ret = q6v5_init_reset(qproc);
+ if (ret)
+ goto free_rproc;
+
+ qproc->version = desc->version;
+ qproc->need_mem_protection = desc->need_mem_protection;
+
+ ret = qcom_q6v5_init(&qproc->q6v5, pdev, rproc, MPSS_CRASH_REASON_SMEM,
+ qcom_msa_handover);
+ if (ret)
+ goto free_rproc;
+
+ qproc->mpss_perm = BIT(QCOM_SCM_VMID_HLOS);
+ qproc->mba_perm = BIT(QCOM_SCM_VMID_HLOS);
+ qcom_add_glink_subdev(rproc, &qproc->glink_subdev);
+ qcom_add_smd_subdev(rproc, &qproc->smd_subdev);
+ qcom_add_ssr_subdev(rproc, &qproc->ssr_subdev, "mpss");
+ qproc->sysmon = qcom_add_sysmon_subdev(rproc, "modem", 0x12);
+
+ ret = rproc_add(rproc);
+ if (ret)
+ goto free_rproc;
+
+ return 0;
+
+free_rproc:
+ rproc_free(rproc);
+
+ return ret;
+}
+
+static int q6v5_remove(struct platform_device *pdev)
+{
+ struct q6v5 *qproc = platform_get_drvdata(pdev);
+
+ rproc_del(qproc->rproc);
+
+ qcom_remove_sysmon_subdev(qproc->sysmon);
+ qcom_remove_glink_subdev(qproc->rproc, &qproc->glink_subdev);
+ qcom_remove_smd_subdev(qproc->rproc, &qproc->smd_subdev);
+ qcom_remove_ssr_subdev(qproc->rproc, &qproc->ssr_subdev);
+ rproc_free(qproc->rproc);
+
+ return 0;
+}
+
+static const struct rproc_hexagon_res sdm845_mss = {
+ .hexagon_mba_image = "mba.mbn",
+ .proxy_clk_names = (char*[]){
+ "xo",
+ "prng",
+ NULL
+ },
+ .reset_clk_names = (char*[]){
+ "iface",
+ "snoc_axi",
+ NULL
+ },
+ .active_clk_names = (char*[]){
+ "bus",
+ "mem",
+ "gpll0_mss",
+ "mnoc_axi",
+ NULL
+ },
+ .need_mem_protection = true,
+ .has_alt_reset = true,
+ .version = MSS_SDM845,
+};
+
+static const struct rproc_hexagon_res msm8996_mss = {
+ .hexagon_mba_image = "mba.mbn",
+ .proxy_clk_names = (char*[]){
+ "xo",
+ "pnoc",
+ NULL
+ },
+ .active_clk_names = (char*[]){
+ "iface",
+ "bus",
+ "mem",
+ "gpll0_mss_clk",
+ NULL
+ },
+ .need_mem_protection = true,
+ .has_alt_reset = false,
+ .version = MSS_MSM8996,
+};
+
+static const struct rproc_hexagon_res msm8916_mss = {
+ .hexagon_mba_image = "mba.mbn",
+ .proxy_supply = (struct qcom_mss_reg_res[]) {
+ {
+ .supply = "mx",
+ .uV = 1050000,
+ },
+ {
+ .supply = "cx",
+ .uA = 100000,
+ },
+ {
+ .supply = "pll",
+ .uA = 100000,
+ },
+ {}
+ },
+ .proxy_clk_names = (char*[]){
+ "xo",
+ NULL
+ },
+ .active_clk_names = (char*[]){
+ "iface",
+ "bus",
+ "mem",
+ NULL
+ },
+ .need_mem_protection = false,
+ .has_alt_reset = false,
+ .version = MSS_MSM8916,
+};
+
+static const struct rproc_hexagon_res msm8974_mss = {
+ .hexagon_mba_image = "mba.b00",
+ .proxy_supply = (struct qcom_mss_reg_res[]) {
+ {
+ .supply = "mx",
+ .uV = 1050000,
+ },
+ {
+ .supply = "cx",
+ .uA = 100000,
+ },
+ {
+ .supply = "pll",
+ .uA = 100000,
+ },
+ {}
+ },
+ .active_supply = (struct qcom_mss_reg_res[]) {
+ {
+ .supply = "mss",
+ .uV = 1050000,
+ .uA = 100000,
+ },
+ {}
+ },
+ .proxy_clk_names = (char*[]){
+ "xo",
+ NULL
+ },
+ .active_clk_names = (char*[]){
+ "iface",
+ "bus",
+ "mem",
+ NULL
+ },
+ .need_mem_protection = false,
+ .has_alt_reset = false,
+ .version = MSS_MSM8974,
+};
+
+static const struct of_device_id q6v5_of_match[] = {
+ { .compatible = "qcom,q6v5-pil", .data = &msm8916_mss},
+ { .compatible = "qcom,msm8916-mss-pil", .data = &msm8916_mss},
+ { .compatible = "qcom,msm8974-mss-pil", .data = &msm8974_mss},
+ { .compatible = "qcom,msm8996-mss-pil", .data = &msm8996_mss},
+ { .compatible = "qcom,sdm845-mss-pil", .data = &sdm845_mss},
+ { },
+};
+MODULE_DEVICE_TABLE(of, q6v5_of_match);
+
+static struct platform_driver q6v5_driver = {
+ .probe = q6v5_probe,
+ .remove = q6v5_remove,
+ .driver = {
+ .name = "qcom-q6v5-mss",
+ .of_match_table = q6v5_of_match,
+ },
+};
+module_platform_driver(q6v5_driver);
+
+MODULE_DESCRIPTION("Qualcomm Self-authenticating modem remoteproc driver");
+MODULE_LICENSE("GPL v2");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 21:24:38 +0000