diff options
author | Sricharan R <sricharan@codeaurora.org> | 2018-06-07 22:57:11 +0530 |
---|---|---|
committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2018-06-18 15:57:58 -0700 |
commit | 3a3d4163e0bfde184ffbc54c887f5b1ec9969c90 (patch) | |
tree | e2698b62ced956b04486703163a403188f3c1924 | |
parent | 7d674731f36c2b3f2707baad6c01cce93c754edf (diff) |
remoteproc: qcom: Introduce Hexagon V5 based WCSS driver
IPQ8074 has an integrated Hexagon dsp core q6v5 and a wireless lan
(Lithium) IP. An mdt type single image format is used for the
firmware. So the mdt_load function can be directly used to load
the firmware. Also add the relevant resets required for this core.
Acked-by: Rob Herring <robh@kernel.org> (bindings)
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
[bjorn: Rewrote as a separate driver, intead of extending q6v5_pil.c]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
-rw-r--r-- | Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt | 7 | ||||
-rw-r--r-- | drivers/remoteproc/Kconfig | 15 | ||||
-rw-r--r-- | drivers/remoteproc/Makefile | 1 | ||||
-rw-r--r-- | drivers/remoteproc/qcom_q6v5_wcss.c | 601 |
4 files changed, 623 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt b/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt index d90182425450..601dd9f389aa 100644 --- a/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt +++ b/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt @@ -8,6 +8,7 @@ on the Qualcomm Hexagon core. Value type: <string> Definition: must be one of: "qcom,q6v5-pil", + "qcom,ipq8074-wcss-pil" "qcom,msm8916-mss-pil", "qcom,msm8974-mss-pil" "qcom,msm8996-mss-pil" @@ -50,11 +51,15 @@ on the Qualcomm Hexagon core. Usage: required Value type: <phandle> Definition: reference to the reset-controller for the modem sub-system + reference to the list of 3 reset-controllers for the + wcss sub-system - reset-names: Usage: required Value type: <stringlist> - Definition: must be "mss_restart" + Definition: must be "mss_restart" for the modem sub-system + Definition: must be "wcss_aon_reset", "wcss_reset", "wcss_q6_reset" + for the wcss syb-system - cx-supply: - mss-supply: diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig index a6a74bde906a..0dde3753c3a5 100644 --- a/drivers/remoteproc/Kconfig +++ b/drivers/remoteproc/Kconfig @@ -123,6 +123,21 @@ config QCOM_Q6V5_PIL Say y here to support the Qualcomm Peripherial Image Loader for the Hexagon V5 based remote processors. +config QCOM_Q6V5_WCSS + tristate "Qualcomm Hexagon based WCSS Peripheral Image Loader" + depends on OF && ARCH_QCOM + depends on QCOM_SMEM + depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n + depends on QCOM_SYSMON || QCOM_SYSMON=n + select MFD_SYSCON + select QCOM_MDT_LOADER + select QCOM_Q6V5_COMMON + select QCOM_RPROC_COMMON + select QCOM_SCM + help + Say y here to support the Qualcomm Peripheral Image Loader for the + Hexagon V5 based WCSS remote processors. + config QCOM_SYSMON tristate "Qualcomm sysmon driver" depends on RPMSG diff --git a/drivers/remoteproc/Makefile b/drivers/remoteproc/Makefile index 5dd0249cf76a..03332fa7e2ee 100644 --- a/drivers/remoteproc/Makefile +++ b/drivers/remoteproc/Makefile @@ -18,6 +18,7 @@ obj-$(CONFIG_QCOM_ADSP_PIL) += qcom_adsp_pil.o obj-$(CONFIG_QCOM_RPROC_COMMON) += qcom_common.o obj-$(CONFIG_QCOM_Q6V5_COMMON) += qcom_q6v5.o obj-$(CONFIG_QCOM_Q6V5_PIL) += qcom_q6v5_pil.o +obj-$(CONFIG_QCOM_Q6V5_WCSS) += qcom_q6v5_wcss.o obj-$(CONFIG_QCOM_SYSMON) += qcom_sysmon.o obj-$(CONFIG_QCOM_WCNSS_PIL) += qcom_wcnss_pil.o qcom_wcnss_pil-y += qcom_wcnss.o diff --git a/drivers/remoteproc/qcom_q6v5_wcss.c b/drivers/remoteproc/qcom_q6v5_wcss.c new file mode 100644 index 000000000000..f93e1e4a1cc0 --- /dev/null +++ b/drivers/remoteproc/qcom_q6v5_wcss.c @@ -0,0 +1,601 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2016-2018 Linaro Ltd. + * Copyright (C) 2014 Sony Mobile Communications AB + * Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. + */ +#include <linux/iopoll.h> +#include <linux/kernel.h> +#include <linux/mfd/syscon.h> +#include <linux/module.h> +#include <linux/of_reserved_mem.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> +#include <linux/reset.h> +#include <linux/soc/qcom/mdt_loader.h> +#include "qcom_common.h" +#include "qcom_q6v5.h" + +#define WCSS_CRASH_REASON 421 + +/* Q6SS Register Offsets */ +#define Q6SS_RESET_REG 0x014 +#define Q6SS_GFMUX_CTL_REG 0x020 +#define Q6SS_PWR_CTL_REG 0x030 +#define Q6SS_MEM_PWR_CTL 0x0B0 + +/* 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 + +/* Q6SS_RESET */ +#define Q6SS_STOP_CORE BIT(0) +#define Q6SS_CORE_ARES BIT(1) +#define Q6SS_BUS_ARES_ENABLE BIT(2) + +/* Q6SS_GFMUX_CTL */ +#define Q6SS_CLK_ENABLE BIT(1) + +/* Q6SS_PWR_CTL */ +#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) + +/* Q6SS parameters */ +#define Q6SS_LDO_BYP BIT(25) +#define Q6SS_BHS_ON BIT(24) +#define Q6SS_CLAMP_WL BIT(21) +#define Q6SS_CLAMP_QMC_MEM BIT(22) +#define HALT_CHECK_MAX_LOOPS 200 +#define Q6SS_XO_CBCR GENMASK(5, 3) + +/* Q6SS config/status registers */ +#define TCSR_GLOBAL_CFG0 0x0 +#define TCSR_GLOBAL_CFG1 0x4 +#define SSCAON_CONFIG 0x8 +#define SSCAON_STATUS 0xc +#define Q6SS_BHS_STATUS 0x78 +#define Q6SS_RST_EVB 0x10 + +#define BHS_EN_REST_ACK BIT(0) +#define SSCAON_ENABLE BIT(13) +#define SSCAON_BUS_EN BIT(15) +#define SSCAON_BUS_MUX_MASK GENMASK(18, 16) + +#define MEM_BANKS 19 +#define TCSR_WCSS_CLK_MASK 0x1F +#define TCSR_WCSS_CLK_ENABLE 0x14 + +struct q6v5_wcss { + struct device *dev; + + void __iomem *reg_base; + void __iomem *rmb_base; + + struct regmap *halt_map; + u32 halt_q6; + u32 halt_wcss; + u32 halt_nc; + + struct reset_control *wcss_aon_reset; + struct reset_control *wcss_reset; + struct reset_control *wcss_q6_reset; + + struct qcom_q6v5 q6v5; + + phys_addr_t mem_phys; + phys_addr_t mem_reloc; + void *mem_region; + size_t mem_size; +}; + +static int q6v5_wcss_reset(struct q6v5_wcss *wcss) +{ + int ret; + u32 val; + int i; + + /* Assert resets, stop core */ + val = readl(wcss->reg_base + Q6SS_RESET_REG); + val |= Q6SS_CORE_ARES | Q6SS_BUS_ARES_ENABLE | Q6SS_STOP_CORE; + writel(val, wcss->reg_base + Q6SS_RESET_REG); + + /* BHS require xo cbcr to be enabled */ + val = readl(wcss->reg_base + Q6SS_XO_CBCR); + val |= 0x1; + writel(val, wcss->reg_base + Q6SS_XO_CBCR); + + /* Read CLKOFF bit to go low indicating CLK is enabled */ + ret = readl_poll_timeout(wcss->reg_base + Q6SS_XO_CBCR, + val, !(val & BIT(31)), 1, + HALT_CHECK_MAX_LOOPS); + if (ret) { + dev_err(wcss->dev, + "xo cbcr enabling timed out (rc:%d)\n", ret); + return ret; + } + /* Enable power block headswitch and wait for it to stabilize */ + val = readl(wcss->reg_base + Q6SS_PWR_CTL_REG); + val |= Q6SS_BHS_ON; + writel(val, wcss->reg_base + Q6SS_PWR_CTL_REG); + udelay(1); + + /* Put LDO in bypass mode */ + val |= Q6SS_LDO_BYP; + writel(val, wcss->reg_base + Q6SS_PWR_CTL_REG); + + /* Deassert Q6 compiler memory clamp */ + val = readl(wcss->reg_base + Q6SS_PWR_CTL_REG); + val &= ~Q6SS_CLAMP_QMC_MEM; + writel(val, wcss->reg_base + Q6SS_PWR_CTL_REG); + + /* Deassert memory peripheral sleep and L2 memory standby */ + val |= Q6SS_L2DATA_STBY_N | Q6SS_SLP_RET_N; + writel(val, wcss->reg_base + Q6SS_PWR_CTL_REG); + + /* Turn on L1, L2, ETB and JU memories 1 at a time */ + val = readl(wcss->reg_base + Q6SS_MEM_PWR_CTL); + for (i = MEM_BANKS; i >= 0; i--) { + val |= BIT(i); + writel(val, wcss->reg_base + Q6SS_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(wcss->reg_base + Q6SS_MEM_PWR_CTL); + udelay(1); + } + /* Remove word line clamp */ + val = readl(wcss->reg_base + Q6SS_PWR_CTL_REG); + val &= ~Q6SS_CLAMP_WL; + writel(val, wcss->reg_base + Q6SS_PWR_CTL_REG); + + /* Remove IO clamp */ + val &= ~Q6SS_CLAMP_IO; + writel(val, wcss->reg_base + Q6SS_PWR_CTL_REG); + + /* Bring core out of reset */ + val = readl(wcss->reg_base + Q6SS_RESET_REG); + val &= ~Q6SS_CORE_ARES; + writel(val, wcss->reg_base + Q6SS_RESET_REG); + + /* Turn on core clock */ + val = readl(wcss->reg_base + Q6SS_GFMUX_CTL_REG); + val |= Q6SS_CLK_ENABLE; + writel(val, wcss->reg_base + Q6SS_GFMUX_CTL_REG); + + /* Start core execution */ + val = readl(wcss->reg_base + Q6SS_RESET_REG); + val &= ~Q6SS_STOP_CORE; + writel(val, wcss->reg_base + Q6SS_RESET_REG); + + return 0; +} + +static int q6v5_wcss_start(struct rproc *rproc) +{ + struct q6v5_wcss *wcss = rproc->priv; + int ret; + + qcom_q6v5_prepare(&wcss->q6v5); + + /* Release Q6 and WCSS reset */ + ret = reset_control_deassert(wcss->wcss_reset); + if (ret) { + dev_err(wcss->dev, "wcss_reset failed\n"); + return ret; + } + + ret = reset_control_deassert(wcss->wcss_q6_reset); + if (ret) { + dev_err(wcss->dev, "wcss_q6_reset failed\n"); + goto wcss_reset; + } + + /* Lithium configuration - clock gating and bus arbitration */ + ret = regmap_update_bits(wcss->halt_map, + wcss->halt_nc + TCSR_GLOBAL_CFG0, + TCSR_WCSS_CLK_MASK, + TCSR_WCSS_CLK_ENABLE); + if (ret) + goto wcss_q6_reset; + + ret = regmap_update_bits(wcss->halt_map, + wcss->halt_nc + TCSR_GLOBAL_CFG1, + 1, 0); + if (ret) + goto wcss_q6_reset; + + /* Write bootaddr to EVB so that Q6WCSS will jump there after reset */ + writel(rproc->bootaddr >> 4, wcss->reg_base + Q6SS_RST_EVB); + + ret = q6v5_wcss_reset(wcss); + if (ret) + goto wcss_q6_reset; + + ret = qcom_q6v5_wait_for_start(&wcss->q6v5, 5 * HZ); + if (ret == -ETIMEDOUT) + dev_err(wcss->dev, "start timed out\n"); + + return ret; + +wcss_q6_reset: + reset_control_assert(wcss->wcss_q6_reset); + +wcss_reset: + reset_control_assert(wcss->wcss_reset); + + return ret; +} + +static void q6v5_wcss_halt_axi_port(struct q6v5_wcss *wcss, + 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(wcss->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_wcss_powerdown(struct q6v5_wcss *wcss) +{ + int ret; + u32 val; + + /* 1 - Assert WCSS/Q6 HALTREQ */ + q6v5_wcss_halt_axi_port(wcss, wcss->halt_map, wcss->halt_wcss); + + /* 2 - Enable WCSSAON_CONFIG */ + val = readl(wcss->rmb_base + SSCAON_CONFIG); + val |= SSCAON_ENABLE; + writel(val, wcss->rmb_base + SSCAON_CONFIG); + + /* 3 - Set SSCAON_CONFIG */ + val |= SSCAON_BUS_EN; + val &= ~SSCAON_BUS_MUX_MASK; + writel(val, wcss->rmb_base + SSCAON_CONFIG); + + /* 4 - SSCAON_CONFIG 1 */ + val |= BIT(1); + writel(val, wcss->rmb_base + SSCAON_CONFIG); + + /* 5 - wait for SSCAON_STATUS */ + ret = readl_poll_timeout(wcss->rmb_base + SSCAON_STATUS, + val, (val & 0xffff) == 0x400, 1000, + HALT_CHECK_MAX_LOOPS); + if (ret) { + dev_err(wcss->dev, + "can't get SSCAON_STATUS rc:%d)\n", ret); + return ret; + } + + /* 6 - De-assert WCSS_AON reset */ + reset_control_assert(wcss->wcss_aon_reset); + + /* 7 - Disable WCSSAON_CONFIG 13 */ + val = readl(wcss->rmb_base + SSCAON_CONFIG); + val &= ~SSCAON_ENABLE; + writel(val, wcss->rmb_base + SSCAON_CONFIG); + + /* 8 - De-assert WCSS/Q6 HALTREQ */ + reset_control_assert(wcss->wcss_reset); + + return 0; +} + +static int q6v5_q6_powerdown(struct q6v5_wcss *wcss) +{ + int ret; + u32 val; + int i; + + /* 1 - Halt Q6 bus interface */ + q6v5_wcss_halt_axi_port(wcss, wcss->halt_map, wcss->halt_q6); + + /* 2 - Disable Q6 Core clock */ + val = readl(wcss->reg_base + Q6SS_GFMUX_CTL_REG); + val &= ~Q6SS_CLK_ENABLE; + writel(val, wcss->reg_base + Q6SS_GFMUX_CTL_REG); + + /* 3 - Clamp I/O */ + val = readl(wcss->reg_base + Q6SS_PWR_CTL_REG); + val |= Q6SS_CLAMP_IO; + writel(val, wcss->reg_base + Q6SS_PWR_CTL_REG); + + /* 4 - Clamp WL */ + val |= QDSS_BHS_ON; + writel(val, wcss->reg_base + Q6SS_PWR_CTL_REG); + + /* 5 - Clear Erase standby */ + val &= ~Q6SS_L2DATA_STBY_N; + writel(val, wcss->reg_base + Q6SS_PWR_CTL_REG); + + /* 6 - Clear Sleep RTN */ + val &= ~Q6SS_SLP_RET_N; + writel(val, wcss->reg_base + Q6SS_PWR_CTL_REG); + + /* 7 - turn off Q6 memory foot/head switch one bank at a time */ + for (i = 0; i < 20; i++) { + val = readl(wcss->reg_base + Q6SS_MEM_PWR_CTL); + val &= ~BIT(i); + writel(val, wcss->reg_base + Q6SS_MEM_PWR_CTL); + mdelay(1); + } + + /* 8 - Assert QMC memory RTN */ + val = readl(wcss->reg_base + Q6SS_PWR_CTL_REG); + val |= Q6SS_CLAMP_QMC_MEM; + writel(val, wcss->reg_base + Q6SS_PWR_CTL_REG); + + /* 9 - Turn off BHS */ + val &= ~Q6SS_BHS_ON; + writel(val, wcss->reg_base + Q6SS_PWR_CTL_REG); + udelay(1); + + /* 10 - Wait till BHS Reset is done */ + ret = readl_poll_timeout(wcss->reg_base + Q6SS_BHS_STATUS, + val, !(val & BHS_EN_REST_ACK), 1000, + HALT_CHECK_MAX_LOOPS); + if (ret) { + dev_err(wcss->dev, "BHS_STATUS not OFF (rc:%d)\n", ret); + return ret; + } + + /* 11 - Assert WCSS reset */ + reset_control_assert(wcss->wcss_reset); + + /* 12 - Assert Q6 reset */ + reset_control_assert(wcss->wcss_q6_reset); + + return 0; +} + +static int q6v5_wcss_stop(struct rproc *rproc) +{ + struct q6v5_wcss *wcss = rproc->priv; + int ret; + + /* WCSS powerdown */ + ret = qcom_q6v5_request_stop(&wcss->q6v5); + if (ret == -ETIMEDOUT) { + dev_err(wcss->dev, "timed out on wait\n"); + return ret; + } + + ret = q6v5_wcss_powerdown(wcss); + if (ret) + return ret; + + /* Q6 Power down */ + ret = q6v5_q6_powerdown(wcss); + if (ret) + return ret; + + qcom_q6v5_unprepare(&wcss->q6v5); + + return 0; +} + +static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, int len) +{ + struct q6v5_wcss *wcss = rproc->priv; + int offset; + + offset = da - wcss->mem_reloc; + if (offset < 0 || offset + len > wcss->mem_size) + return NULL; + + return wcss->mem_region + offset; +} + +static int q6v5_wcss_load(struct rproc *rproc, const struct firmware *fw) +{ + struct q6v5_wcss *wcss = rproc->priv; + + return qcom_mdt_load_no_init(wcss->dev, fw, rproc->firmware, + 0, wcss->mem_region, wcss->mem_phys, + wcss->mem_size, &wcss->mem_reloc); +} + +static const struct rproc_ops q6v5_wcss_ops = { + .start = q6v5_wcss_start, + .stop = q6v5_wcss_stop, + .da_to_va = q6v5_wcss_da_to_va, + .load = q6v5_wcss_load, + .get_boot_addr = rproc_elf_get_boot_addr, +}; + +static int q6v5_wcss_init_reset(struct q6v5_wcss *wcss) +{ + struct device *dev = wcss->dev; + + wcss->wcss_aon_reset = devm_reset_control_get(dev, "wcss_aon_reset"); + if (IS_ERR(wcss->wcss_aon_reset)) { + dev_err(wcss->dev, "unable to acquire wcss_aon_reset\n"); + return PTR_ERR(wcss->wcss_aon_reset); + } + + wcss->wcss_reset = devm_reset_control_get(dev, "wcss_reset"); + if (IS_ERR(wcss->wcss_reset)) { + dev_err(wcss->dev, "unable to acquire wcss_reset\n"); + return PTR_ERR(wcss->wcss_reset); + } + + wcss->wcss_q6_reset = devm_reset_control_get(dev, "wcss_q6_reset"); + if (IS_ERR(wcss->wcss_q6_reset)) { + dev_err(wcss->dev, "unable to acquire wcss_q6_reset\n"); + return PTR_ERR(wcss->wcss_q6_reset); + } + + return 0; +} + +static int q6v5_wcss_init_mmio(struct q6v5_wcss *wcss, + struct platform_device *pdev) +{ + struct of_phandle_args args; + struct resource *res; + int ret; + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "qdsp6"); + wcss->reg_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(wcss->reg_base)) + return PTR_ERR(wcss->reg_base); + + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rmb"); + wcss->rmb_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(wcss->rmb_base)) + return PTR_ERR(wcss->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; + } + + wcss->halt_map = syscon_node_to_regmap(args.np); + of_node_put(args.np); + if (IS_ERR(wcss->halt_map)) + return PTR_ERR(wcss->halt_map); + + wcss->halt_q6 = args.args[0]; + wcss->halt_wcss = args.args[1]; + wcss->halt_nc = args.args[2]; + + return 0; +} + +static int q6v5_alloc_memory_region(struct q6v5_wcss *wcss) +{ + struct reserved_mem *rmem = NULL; + struct device_node *node; + struct device *dev = wcss->dev; + + node = of_parse_phandle(dev->of_node, "memory-region", 0); + if (node) + rmem = of_reserved_mem_lookup(node); + of_node_put(node); + + if (!rmem) { + dev_err(dev, "unable to acquire memory-region\n"); + return -EINVAL; + } + + wcss->mem_phys = rmem->base; + wcss->mem_reloc = rmem->base; + wcss->mem_size = rmem->size; + wcss->mem_region = devm_ioremap_wc(dev, wcss->mem_phys, wcss->mem_size); + if (!wcss->mem_region) { + dev_err(dev, "unable to map memory region: %pa+%pa\n", + &rmem->base, &rmem->size); + return -EBUSY; + } + + return 0; +} + +static int q6v5_wcss_probe(struct platform_device *pdev) +{ + struct q6v5_wcss *wcss; + struct rproc *rproc; + int ret; + + rproc = rproc_alloc(&pdev->dev, pdev->name, &q6v5_wcss_ops, + "IPQ8074/q6_fw.mdt", sizeof(*wcss)); + if (!rproc) { + dev_err(&pdev->dev, "failed to allocate rproc\n"); + return -ENOMEM; + } + + wcss = rproc->priv; + wcss->dev = &pdev->dev; + + ret = q6v5_wcss_init_mmio(wcss, pdev); + if (ret) + goto free_rproc; + + ret = q6v5_alloc_memory_region(wcss); + if (ret) + goto free_rproc; + + ret = q6v5_wcss_init_reset(wcss); + if (ret) + goto free_rproc; + + ret = qcom_q6v5_init(&wcss->q6v5, pdev, rproc, WCSS_CRASH_REASON, NULL); + if (ret) + goto free_rproc; + + ret = rproc_add(rproc); + if (ret) + goto free_rproc; + + platform_set_drvdata(pdev, rproc); + + return 0; + +free_rproc: + rproc_free(rproc); + + return ret; +} + +static int q6v5_wcss_remove(struct platform_device *pdev) +{ + struct rproc *rproc = platform_get_drvdata(pdev); + + rproc_del(rproc); + rproc_free(rproc); + + return 0; +} + +static const struct of_device_id q6v5_wcss_of_match[] = { + { .compatible = "qcom,ipq8074-wcss-pil" }, + { }, +}; +MODULE_DEVICE_TABLE(of, q6v5_wcss_of_match); + +static struct platform_driver q6v5_wcss_driver = { + .probe = q6v5_wcss_probe, + .remove = q6v5_wcss_remove, + .driver = { + .name = "qcom-q6v5-wcss-pil", + .of_match_table = q6v5_wcss_of_match, + }, +}; +module_platform_driver(q6v5_wcss_driver); + +MODULE_DESCRIPTION("Hexagon WCSS Peripheral Image Loader"); +MODULE_LICENSE("GPL v2"); |