// SPDX-License-Identifier: GPL-2.0
/*
- * Copyright (C) 2018 Intel Corporation <www.intel.com>
+ * Copyright (C) 2018-2019 Intel Corporation <www.intel.com>
*
*/
#include <common.h>
#include <dm.h>
+#include <env.h>
#include <errno.h>
#include <blk.h>
#include <fs.h>
#include <fs_loader.h>
+#include <log.h>
#include <linux/string.h>
#include <mapmem.h>
#include <malloc.h>
DECLARE_GLOBAL_DATA_PTR;
-struct firmware_priv {
- const char *name; /* Filename */
- u32 offset; /* Offset of reading a file */
+/**
+ * struct firmware - A place for storing firmware and its attribute data.
+ *
+ * This holds information about a firmware and its content.
+ *
+ * @size: Size of a file
+ * @data: Buffer for file
+ * @priv: Firmware loader private fields
+ * @name: Filename
+ * @offset: Offset of reading a file
+ */
+struct firmware {
+ size_t size;
+ const u8 *data;
+ const char *name;
+ u32 offset;
};
#ifdef CONFIG_CMD_UBIFS
/**
* _request_firmware_prepare - Prepare firmware struct.
*
+ * @dev: An instance of a driver.
* @name: Name of firmware file.
* @dbuf: Address of buffer to load firmware into.
* @size: Size of buffer.
* @offset: Offset of a file for start reading into buffer.
- * @firmwarep: Pointer to pointer to firmware image.
*
* Return: Negative value if fail, 0 for successful.
*/
-static int _request_firmware_prepare(const char *name, void *dbuf,
- size_t size, u32 offset,
- struct firmware **firmwarep)
+static int _request_firmware_prepare(struct udevice *dev,
+ const char *name, void *dbuf,
+ size_t size, u32 offset)
{
if (!name || name[0] == '\0')
return -EINVAL;
- /* No memory allocation is required if *firmwarep is allocated */
- if (!(*firmwarep)) {
- (*firmwarep) = calloc(1, sizeof(struct firmware));
- if (!(*firmwarep))
- return -ENOMEM;
+ struct firmware *firmwarep = dev_get_priv(dev);
- (*firmwarep)->priv = calloc(1, sizeof(struct firmware_priv));
- if (!(*firmwarep)->priv) {
- free(*firmwarep);
- return -ENOMEM;
- }
- } else if (!(*firmwarep)->priv) {
- (*firmwarep)->priv = calloc(1, sizeof(struct firmware_priv));
- if (!(*firmwarep)->priv) {
- free(*firmwarep);
- return -ENOMEM;
- }
- }
+ if (!firmwarep)
+ return -ENOMEM;
- ((struct firmware_priv *)((*firmwarep)->priv))->name = name;
- ((struct firmware_priv *)((*firmwarep)->priv))->offset = offset;
- (*firmwarep)->data = dbuf;
- (*firmwarep)->size = size;
+ firmwarep->name = name;
+ firmwarep->offset = offset;
+ firmwarep->data = dbuf;
+ firmwarep->size = size;
return 0;
}
-/**
- * release_firmware - Release the resource associated with a firmware image
- * @firmware: Firmware resource to release
- */
-void release_firmware(struct firmware *firmware)
-{
- if (firmware) {
- if (firmware->priv) {
- free(firmware->priv);
- firmware->priv = NULL;
- }
- free(firmware);
- }
-}
-
/**
* fw_get_filesystem_firmware - load firmware into an allocated buffer.
- * @plat: Platform data such as storage and partition firmware loading from.
- * @firmware: pointer to firmware image.
+ * @dev: An instance of a driver.
*
* Return: Size of total read, negative value when error.
*/
-static int fw_get_filesystem_firmware(struct device_platdata *plat,
- struct firmware *firmware)
+static int fw_get_filesystem_firmware(struct udevice *dev)
{
- struct firmware_priv *fw_priv = NULL;
loff_t actread;
char *storage_interface, *dev_part, *ubi_mtdpart, *ubi_volume;
int ret;
else
ret = -ENODEV;
} else {
- ret = select_fs_dev(plat);
+ ret = select_fs_dev(dev->platdata);
}
if (ret)
goto out;
- fw_priv = firmware->priv;
+ struct firmware *firmwarep = dev_get_priv(dev);
- ret = fs_read(fw_priv->name, (ulong)map_to_sysmem(firmware->data),
- fw_priv->offset, firmware->size, &actread);
+ if (!firmwarep)
+ return -ENOMEM;
+
+ ret = fs_read(firmwarep->name, (ulong)map_to_sysmem(firmwarep->data),
+ firmwarep->offset, firmwarep->size, &actread);
if (ret) {
- debug("Error: %d Failed to read %s from flash %lld != %d.\n",
- ret, fw_priv->name, actread, firmware->size);
+ debug("Error: %d Failed to read %s from flash %lld != %zu.\n",
+ ret, firmwarep->name, actread, firmwarep->size);
} else {
ret = actread;
}
/**
* request_firmware_into_buf - Load firmware into a previously allocated buffer.
- * @plat: Platform data such as storage and partition firmware loading from.
+ * @dev: An instance of a driver.
* @name: Name of firmware file.
* @buf: Address of buffer to load firmware into.
* @size: Size of buffer.
* @offset: Offset of a file for start reading into buffer.
- * @firmwarep: Pointer to firmware image.
*
- * The firmware is loaded directly into the buffer pointed to by @buf and
- * the @firmwarep data member is pointed at @buf.
+ * The firmware is loaded directly into the buffer pointed to by @buf.
*
* Return: Size of total read, negative value when error.
*/
-int request_firmware_into_buf(struct device_platdata *plat,
+int request_firmware_into_buf(struct udevice *dev,
const char *name,
- void *buf, size_t size, u32 offset,
- struct firmware **firmwarep)
+ void *buf, size_t size, u32 offset)
{
int ret;
- if (!plat)
+ if (!dev)
return -EINVAL;
- ret = _request_firmware_prepare(name, buf, size, offset, firmwarep);
+ ret = _request_firmware_prepare(dev, name, buf, size, offset);
if (ret < 0) /* error */
return ret;
- ret = fw_get_filesystem_firmware(plat, *firmwarep);
+ ret = fw_get_filesystem_firmware(dev);
return ret;
}
static int fs_loader_ofdata_to_platdata(struct udevice *dev)
{
- const char *fs_loader_path;
u32 phandlepart[2];
- fs_loader_path = ofnode_get_chosen_prop("firmware-loader");
-
- if (fs_loader_path) {
- ofnode fs_loader_node;
+ ofnode fs_loader_node = dev_ofnode(dev);
- fs_loader_node = ofnode_path(fs_loader_path);
- if (ofnode_valid(fs_loader_node)) {
- struct device_platdata *plat;
- plat = dev->platdata;
+ if (ofnode_valid(fs_loader_node)) {
+ struct device_platdata *plat;
- if (!ofnode_read_u32_array(fs_loader_node,
- "phandlepart",
- phandlepart, 2)) {
- plat->phandlepart.phandle = phandlepart[0];
- plat->phandlepart.partition = phandlepart[1];
- }
+ plat = dev->platdata;
+ if (!ofnode_read_u32_array(fs_loader_node,
+ "phandlepart",
+ phandlepart, 2)) {
+ plat->phandlepart.phandle = phandlepart[0];
+ plat->phandlepart.partition = phandlepart[1];
+ }
- plat->mtdpart = (char *)ofnode_read_string(
- fs_loader_node, "mtdpart");
+ plat->mtdpart = (char *)ofnode_read_string(
+ fs_loader_node, "mtdpart");
- plat->ubivol = (char *)ofnode_read_string(
- fs_loader_node, "ubivol");
- }
+ plat->ubivol = (char *)ofnode_read_string(
+ fs_loader_node, "ubivol");
}
return 0;
static int fs_loader_probe(struct udevice *dev)
{
+#if CONFIG_IS_ENABLED(DM) && CONFIG_IS_ENABLED(BLK)
+ int ret;
+ struct device_platdata *plat = dev->platdata;
+
+ if (plat->phandlepart.phandle) {
+ ofnode node = ofnode_get_by_phandle(plat->phandlepart.phandle);
+ struct udevice *parent_dev = NULL;
+
+ ret = device_get_global_by_ofnode(node, &parent_dev);
+ if (!ret) {
+ struct udevice *dev;
+
+ ret = blk_get_from_parent(parent_dev, &dev);
+ if (ret) {
+ debug("fs_loader: No block device: %d\n",
+ ret);
+
+ return ret;
+ }
+ }
+ }
+#endif
+
return 0;
};
.probe = fs_loader_probe,
.ofdata_to_platdata = fs_loader_ofdata_to_platdata,
.platdata_auto_alloc_size = sizeof(struct device_platdata),
+ .priv_auto_alloc_size = sizeof(struct firmware),
};
UCLASS_DRIVER(fs_loader) = {
projects / oweals / u-boot.git / blobdiff