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authorBjorn Andersson <bjorn.andersson@linaro.org>2017-01-27 03:12:57 -0800
committerBjorn Andersson <bjorn.andersson@linaro.org>2017-02-06 08:57:25 -0800
commit2aad40d911eeb7dcac91c669f2762a28134f0eb1 (patch)
tree88666041cb0f82cbbac8bfbeec28c6c8a5222f66 /drivers/remoteproc
parent7f0dd07a9b29cfadffcd2fa08902a844f5c94e86 (diff)
downloadlinux-2aad40d911eeb7dcac91c669f2762a28134f0eb1.tar.bz2
remoteproc: Move qcom_mdt_loader into drivers/soc/qcom
With the remoteproc parts cleaned out of the MDT loader we can move it to drivers/soc/qcom. Acked-by: Andy Gross <andy.gross@linaro.org> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'drivers/remoteproc')
-rw-r--r--drivers/remoteproc/Kconfig3
-rw-r--r--drivers/remoteproc/Makefile1
-rw-r--r--drivers/remoteproc/qcom_adsp_pil.c2
-rw-r--r--drivers/remoteproc/qcom_mdt_loader.c205
-rw-r--r--drivers/remoteproc/qcom_mdt_loader.h13
-rw-r--r--drivers/remoteproc/qcom_q6v5_pil.c2
-rw-r--r--drivers/remoteproc/qcom_wcnss.c2
7 files changed, 3 insertions, 225 deletions
diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig
index 71ea703190c6..555dba04b5ae 100644
--- a/drivers/remoteproc/Kconfig
+++ b/drivers/remoteproc/Kconfig
@@ -87,9 +87,6 @@ config QCOM_ADSP_PIL
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
diff --git a/drivers/remoteproc/Makefile b/drivers/remoteproc/Makefile
index d4f9525a226d..ffc5e430df27 100644
--- a/drivers/remoteproc/Makefile
+++ b/drivers/remoteproc/Makefile
@@ -12,7 +12,6 @@ obj-$(CONFIG_OMAP_REMOTEPROC) += omap_remoteproc.o
obj-$(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
diff --git a/drivers/remoteproc/qcom_adsp_pil.c b/drivers/remoteproc/qcom_adsp_pil.c
index c1ee5c818b42..301b820216f6 100644
--- a/drivers/remoteproc/qcom_adsp_pil.c
+++ b/drivers/remoteproc/qcom_adsp_pil.c
@@ -26,11 +26,11 @@
#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 {
diff --git a/drivers/remoteproc/qcom_mdt_loader.c b/drivers/remoteproc/qcom_mdt_loader.c
deleted file mode 100644
index 790ab31f31ff..000000000000
--- a/drivers/remoteproc/qcom_mdt_loader.c
+++ /dev/null
@@ -1,205 +0,0 @@
-/*
- * 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");
diff --git a/drivers/remoteproc/qcom_mdt_loader.h b/drivers/remoteproc/qcom_mdt_loader.h
deleted file mode 100644
index ff6e45b77326..000000000000
--- a/drivers/remoteproc/qcom_mdt_loader.h
+++ /dev/null
@@ -1,13 +0,0 @@
-#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
diff --git a/drivers/remoteproc/qcom_q6v5_pil.c b/drivers/remoteproc/qcom_q6v5_pil.c
index 2e44c06e604a..b129261d7e5e 100644
--- a/drivers/remoteproc/qcom_q6v5_pil.c
+++ b/drivers/remoteproc/qcom_q6v5_pil.c
@@ -29,12 +29,12 @@
#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>
diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c
index fbb25ea4ae8a..781211c144c6 100644
--- a/drivers/remoteproc/qcom_wcnss.c
+++ b/drivers/remoteproc/qcom_wcnss.c
@@ -28,12 +28,12 @@
#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"