config QCOM_RPROC_COMMON
tristate
-config QCOM_MDT_LOADER
- tristate
-
config QCOM_Q6V5_PIL
tristate "Qualcomm Hexagon V5 Peripherial Image Loader"
depends on OF && ARCH_QCOM
obj-$(CONFIG_WKUP_M3_RPROC) += wkup_m3_rproc.o
obj-$(CONFIG_DA8XX_REMOTEPROC) += da8xx_remoteproc.o
obj-$(CONFIG_QCOM_ADSP_PIL) += qcom_adsp_pil.o
-obj-$(CONFIG_QCOM_MDT_LOADER) += qcom_mdt_loader.o
obj-$(CONFIG_QCOM_RPROC_COMMON) += qcom_common.o
obj-$(CONFIG_QCOM_Q6V5_PIL) += qcom_q6v5_pil.o
obj-$(CONFIG_QCOM_WCNSS_PIL) += qcom_wcnss_pil.o
#include <linux/qcom_scm.h>
#include <linux/regulator/consumer.h>
#include <linux/remoteproc.h>
+#include <linux/soc/qcom/mdt_loader.h>
#include <linux/soc/qcom/smem.h>
#include <linux/soc/qcom/smem_state.h>
#include "qcom_common.h"
-#include "qcom_mdt_loader.h"
#include "remoteproc_internal.h"
struct adsp_data {
+++ /dev/null
-/*
- * Qualcomm Peripheral Image Loader
- *
- * Copyright (C) 2016 Linaro Ltd
- * Copyright (C) 2015 Sony Mobile Communications Inc
- * 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/device.h>
-#include <linux/elf.h>
-#include <linux/firmware.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/qcom_scm.h>
-#include <linux/sizes.h>
-#include <linux/slab.h>
-
-#include "qcom_mdt_loader.h"
-
-static bool mdt_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;
-}
-
-/**
- * qcom_mdt_get_size() - acquire size of the memory region needed to load mdt
- * @fw: firmware object for the mdt file
- *
- * Returns size of the loaded firmware blob, or -EINVAL on failure.
- */
-ssize_t qcom_mdt_get_size(const struct firmware *fw)
-{
- const struct elf32_phdr *phdrs;
- const struct elf32_phdr *phdr;
- const struct elf32_hdr *ehdr;
- phys_addr_t min_addr = (phys_addr_t)ULLONG_MAX;
- phys_addr_t max_addr = 0;
- int i;
-
- ehdr = (struct elf32_hdr *)fw->data;
- phdrs = (struct elf32_phdr *)(ehdr + 1);
-
- for (i = 0; i < ehdr->e_phnum; i++) {
- phdr = &phdrs[i];
-
- if (!mdt_phdr_valid(phdr))
- continue;
-
- 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);
- }
-
- return min_addr < max_addr ? max_addr - min_addr : -EINVAL;
-}
-EXPORT_SYMBOL_GPL(qcom_mdt_get_size);
-
-/**
- * qcom_mdt_load() - load the firmware which header is loaded as fw
- * @dev: device handle to associate resources with
- * @fw: firmware object for the mdt file
- * @firmware: name of the firmware, for construction of segment file names
- * @pas_id: PAS identifier
- * @mem_region: allocated memory region to load firmware into
- * @mem_phys: physical address of allocated memory region
- * @mem_size: size of the allocated memory region
- *
- * Returns 0 on success, negative errno otherwise.
- */
-int qcom_mdt_load(struct device *dev, const struct firmware *fw,
- const char *firmware, int pas_id, void *mem_region,
- phys_addr_t mem_phys, size_t mem_size)
-{
- const struct elf32_phdr *phdrs;
- const struct elf32_phdr *phdr;
- const struct elf32_hdr *ehdr;
- const struct firmware *seg_fw;
- phys_addr_t mem_reloc;
- phys_addr_t min_addr = (phys_addr_t)ULLONG_MAX;
- phys_addr_t max_addr = 0;
- size_t fw_name_len;
- size_t offset;
- char *fw_name;
- bool relocate = false;
- void *ptr;
- int ret;
- int i;
-
- if (!fw || !mem_region || !mem_phys || !mem_size)
- return -EINVAL;
-
- ehdr = (struct elf32_hdr *)fw->data;
- phdrs = (struct elf32_phdr *)(ehdr + 1);
-
- fw_name_len = strlen(firmware);
- if (fw_name_len <= 4)
- return -EINVAL;
-
- fw_name = kstrdup(firmware, GFP_KERNEL);
- if (!fw_name)
- return -ENOMEM;
-
- ret = qcom_scm_pas_init_image(pas_id, fw->data, fw->size);
- if (ret) {
- dev_err(dev, "invalid firmware metadata\n");
- goto out;
- }
-
- for (i = 0; i < ehdr->e_phnum; i++) {
- phdr = &phdrs[i];
-
- if (!mdt_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);
- }
-
- if (relocate) {
- ret = qcom_scm_pas_mem_setup(pas_id, mem_phys, max_addr - min_addr);
- if (ret) {
- dev_err(dev, "unable to setup relocation\n");
- goto out;
- }
-
- /*
- * The image is relocatable, so offset each segment based on
- * the lowest segment address.
- */
- mem_reloc = min_addr;
- } else {
- /*
- * Image is not relocatable, so offset each segment based on
- * the allocated physical chunk of memory.
- */
- mem_reloc = mem_phys;
- }
-
- for (i = 0; i < ehdr->e_phnum; i++) {
- phdr = &phdrs[i];
-
- if (!mdt_phdr_valid(phdr))
- continue;
-
- offset = phdr->p_paddr - mem_reloc;
- if (offset < 0 || offset + phdr->p_memsz > mem_size) {
- dev_err(dev, "segment outside memory range\n");
- ret = -EINVAL;
- break;
- }
-
- ptr = mem_region + offset;
-
- if (phdr->p_filesz) {
- sprintf(fw_name + fw_name_len - 3, "b%02d", i);
- ret = request_firmware(&seg_fw, fw_name, dev);
- if (ret) {
- dev_err(dev, "failed to load %s\n", fw_name);
- break;
- }
-
- 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);
- }
-
-out:
- kfree(fw_name);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(qcom_mdt_load);
-
-MODULE_DESCRIPTION("Firmware parser for Qualcomm MDT format");
-MODULE_LICENSE("GPL v2");
+++ /dev/null
-#ifndef __QCOM_MDT_LOADER_H__
-#define __QCOM_MDT_LOADER_H__
-
-#define QCOM_MDT_TYPE_MASK (7 << 24)
-#define QCOM_MDT_TYPE_HASH (2 << 24)
-#define QCOM_MDT_RELOCATABLE BIT(27)
-
-ssize_t qcom_mdt_get_size(const struct firmware *fw);
-int qcom_mdt_load(struct device *dev, const struct firmware *fw,
- const char *fw_name, int pas_id, void *mem_region,
- phys_addr_t mem_phys, size_t mem_size);
-
-#endif
#include <linux/regulator/consumer.h>
#include <linux/remoteproc.h>
#include <linux/reset.h>
+#include <linux/soc/qcom/mdt_loader.h>
#include <linux/soc/qcom/smem.h>
#include <linux/soc/qcom/smem_state.h>
#include "remoteproc_internal.h"
#include "qcom_common.h"
-#include "qcom_mdt_loader.h"
#include <linux/qcom_scm.h>
#include <linux/qcom_scm.h>
#include <linux/regulator/consumer.h>
#include <linux/remoteproc.h>
+#include <linux/soc/qcom/mdt_loader.h>
#include <linux/soc/qcom/smem.h>
#include <linux/soc/qcom/smem_state.h>
#include <linux/rpmsg/qcom_smd.h>
#include "qcom_common.h"
-#include "qcom_mdt_loader.h"
#include "remoteproc_internal.h"
#include "qcom_wcnss.h"
functions for connecting the underlying serial UART, SPI, and I2C
devices to the output pins.
+config QCOM_MDT_LOADER
+ tristate
+ select QCOM_SCM
+
config QCOM_PM
bool "Qualcomm Power Management"
depends on ARCH_QCOM && !ARM64
obj-$(CONFIG_QCOM_GSBI) += qcom_gsbi.o
+obj-$(CONFIG_QCOM_MDT_LOADER) += mdt_loader.o
obj-$(CONFIG_QCOM_PM) += spm.o
obj-$(CONFIG_QCOM_SMD) += smd.o
obj-$(CONFIG_QCOM_SMD_RPM) += smd-rpm.o
--- /dev/null
+/*
+ * Qualcomm Peripheral Image Loader
+ *
+ * Copyright (C) 2016 Linaro Ltd
+ * Copyright (C) 2015 Sony Mobile Communications Inc
+ * 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/device.h>
+#include <linux/elf.h>
+#include <linux/firmware.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/qcom_scm.h>
+#include <linux/sizes.h>
+#include <linux/slab.h>
+#include <linux/soc/qcom/mdt_loader.h>
+
+static bool mdt_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;
+}
+
+/**
+ * qcom_mdt_get_size() - acquire size of the memory region needed to load mdt
+ * @fw: firmware object for the mdt file
+ *
+ * Returns size of the loaded firmware blob, or -EINVAL on failure.
+ */
+ssize_t qcom_mdt_get_size(const struct firmware *fw)
+{
+ const struct elf32_phdr *phdrs;
+ const struct elf32_phdr *phdr;
+ const struct elf32_hdr *ehdr;
+ phys_addr_t min_addr = (phys_addr_t)ULLONG_MAX;
+ phys_addr_t max_addr = 0;
+ int i;
+
+ ehdr = (struct elf32_hdr *)fw->data;
+ phdrs = (struct elf32_phdr *)(ehdr + 1);
+
+ for (i = 0; i < ehdr->e_phnum; i++) {
+ phdr = &phdrs[i];
+
+ if (!mdt_phdr_valid(phdr))
+ continue;
+
+ 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);
+ }
+
+ return min_addr < max_addr ? max_addr - min_addr : -EINVAL;
+}
+EXPORT_SYMBOL_GPL(qcom_mdt_get_size);
+
+/**
+ * qcom_mdt_load() - load the firmware which header is loaded as fw
+ * @dev: device handle to associate resources with
+ * @fw: firmware object for the mdt file
+ * @firmware: name of the firmware, for construction of segment file names
+ * @pas_id: PAS identifier
+ * @mem_region: allocated memory region to load firmware into
+ * @mem_phys: physical address of allocated memory region
+ * @mem_size: size of the allocated memory region
+ *
+ * Returns 0 on success, negative errno otherwise.
+ */
+int qcom_mdt_load(struct device *dev, const struct firmware *fw,
+ const char *firmware, int pas_id, void *mem_region,
+ phys_addr_t mem_phys, size_t mem_size)
+{
+ const struct elf32_phdr *phdrs;
+ const struct elf32_phdr *phdr;
+ const struct elf32_hdr *ehdr;
+ const struct firmware *seg_fw;
+ phys_addr_t mem_reloc;
+ phys_addr_t min_addr = (phys_addr_t)ULLONG_MAX;
+ phys_addr_t max_addr = 0;
+ size_t fw_name_len;
+ size_t offset;
+ char *fw_name;
+ bool relocate = false;
+ void *ptr;
+ int ret;
+ int i;
+
+ if (!fw || !mem_region || !mem_phys || !mem_size)
+ return -EINVAL;
+
+ ehdr = (struct elf32_hdr *)fw->data;
+ phdrs = (struct elf32_phdr *)(ehdr + 1);
+
+ fw_name_len = strlen(firmware);
+ if (fw_name_len <= 4)
+ return -EINVAL;
+
+ fw_name = kstrdup(firmware, GFP_KERNEL);
+ if (!fw_name)
+ return -ENOMEM;
+
+ ret = qcom_scm_pas_init_image(pas_id, fw->data, fw->size);
+ if (ret) {
+ dev_err(dev, "invalid firmware metadata\n");
+ goto out;
+ }
+
+ for (i = 0; i < ehdr->e_phnum; i++) {
+ phdr = &phdrs[i];
+
+ if (!mdt_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);
+ }
+
+ if (relocate) {
+ ret = qcom_scm_pas_mem_setup(pas_id, mem_phys, max_addr - min_addr);
+ if (ret) {
+ dev_err(dev, "unable to setup relocation\n");
+ goto out;
+ }
+
+ /*
+ * The image is relocatable, so offset each segment based on
+ * the lowest segment address.
+ */
+ mem_reloc = min_addr;
+ } else {
+ /*
+ * Image is not relocatable, so offset each segment based on
+ * the allocated physical chunk of memory.
+ */
+ mem_reloc = mem_phys;
+ }
+
+ for (i = 0; i < ehdr->e_phnum; i++) {
+ phdr = &phdrs[i];
+
+ if (!mdt_phdr_valid(phdr))
+ continue;
+
+ offset = phdr->p_paddr - mem_reloc;
+ if (offset < 0 || offset + phdr->p_memsz > mem_size) {
+ dev_err(dev, "segment outside memory range\n");
+ ret = -EINVAL;
+ break;
+ }
+
+ ptr = mem_region + offset;
+
+ if (phdr->p_filesz) {
+ sprintf(fw_name + fw_name_len - 3, "b%02d", i);
+ ret = request_firmware(&seg_fw, fw_name, dev);
+ if (ret) {
+ dev_err(dev, "failed to load %s\n", fw_name);
+ break;
+ }
+
+ 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);
+ }
+
+out:
+ kfree(fw_name);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(qcom_mdt_load);
+
+MODULE_DESCRIPTION("Firmware parser for Qualcomm MDT format");
+MODULE_LICENSE("GPL v2");
--- /dev/null
+#ifndef __QCOM_MDT_LOADER_H__
+#define __QCOM_MDT_LOADER_H__
+
+#include <linux/types.h>
+
+#define QCOM_MDT_TYPE_MASK (7 << 24)
+#define QCOM_MDT_TYPE_HASH (2 << 24)
+#define QCOM_MDT_RELOCATABLE BIT(27)
+
+struct device;
+struct firmware;
+
+ssize_t qcom_mdt_get_size(const struct firmware *fw);
+int qcom_mdt_load(struct device *dev, const struct firmware *fw,
+ const char *fw_name, int pas_id, void *mem_region,
+ phys_addr_t mem_phys, size_t mem_size);
+
+#endif
projects / linux.git / commitdiff