mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-17 16:53:06 +00:00
5b0b43e0e2
We move qfw into its own uclass and split the PIO functions into a specific driver for that uclass. The PIO driver is selected in the qemu-x86 board config (this covers x86 and x86_64). include/qfw.h is cleaned up and documentation added. Signed-off-by: Asherah Connor <ashe@kivikakk.ee> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com>
104 lines
2.1 KiB
C
104 lines
2.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2015 Miao Yan <yanmiaobest@gmail.com>
|
|
* (C) Copyright 2021 Asherah Connor <ashe@kivikakk.ee>
|
|
*/
|
|
|
|
#include <dm.h>
|
|
#include <dm/uclass.h>
|
|
#include <qfw.h>
|
|
#include <stdlib.h>
|
|
|
|
int qfw_get_dev(struct udevice **devp)
|
|
{
|
|
return uclass_first_device_err(UCLASS_QFW, devp);
|
|
}
|
|
|
|
int qfw_online_cpus(struct udevice *dev)
|
|
{
|
|
u16 nb_cpus;
|
|
|
|
qfw_read_entry(dev, FW_CFG_NB_CPUS, 2, &nb_cpus);
|
|
|
|
return le16_to_cpu(nb_cpus);
|
|
}
|
|
|
|
int qfw_read_firmware_list(struct udevice *dev)
|
|
{
|
|
int i;
|
|
u32 count;
|
|
struct fw_file *file;
|
|
struct list_head *entry;
|
|
|
|
struct qfw_dev *qdev = dev_get_uclass_priv(dev);
|
|
|
|
/* don't read it twice */
|
|
if (!list_empty(&qdev->fw_list))
|
|
return 0;
|
|
|
|
qfw_read_entry(dev, FW_CFG_FILE_DIR, 4, &count);
|
|
if (!count)
|
|
return 0;
|
|
|
|
count = be32_to_cpu(count);
|
|
for (i = 0; i < count; i++) {
|
|
file = malloc(sizeof(*file));
|
|
if (!file) {
|
|
printf("error: allocating resource\n");
|
|
goto err;
|
|
}
|
|
qfw_read_entry(dev, FW_CFG_INVALID,
|
|
sizeof(struct fw_cfg_file), &file->cfg);
|
|
file->addr = 0;
|
|
list_add_tail(&file->list, &qdev->fw_list);
|
|
}
|
|
|
|
return 0;
|
|
|
|
err:
|
|
list_for_each(entry, &qdev->fw_list) {
|
|
file = list_entry(entry, struct fw_file, list);
|
|
free(file);
|
|
}
|
|
|
|
return -ENOMEM;
|
|
}
|
|
|
|
struct fw_file *qfw_find_file(struct udevice *dev, const char *name)
|
|
{
|
|
struct list_head *entry;
|
|
struct fw_file *file;
|
|
|
|
struct qfw_dev *qdev = dev_get_uclass_priv(dev);
|
|
|
|
list_for_each(entry, &qdev->fw_list) {
|
|
file = list_entry(entry, struct fw_file, list);
|
|
if (!strcmp(file->cfg.name, name))
|
|
return file;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
struct fw_file *qfw_file_iter_init(struct udevice *dev,
|
|
struct fw_cfg_file_iter *iter)
|
|
{
|
|
struct qfw_dev *qdev = dev_get_uclass_priv(dev);
|
|
|
|
iter->entry = qdev->fw_list.next;
|
|
iter->end = &qdev->fw_list;
|
|
return list_entry((struct list_head *)iter->entry,
|
|
struct fw_file, list);
|
|
}
|
|
|
|
struct fw_file *qfw_file_iter_next(struct fw_cfg_file_iter *iter)
|
|
{
|
|
iter->entry = ((struct list_head *)iter->entry)->next;
|
|
return list_entry((struct list_head *)iter->entry,
|
|
struct fw_file, list);
|
|
}
|
|
|
|
bool qfw_file_iter_end(struct fw_cfg_file_iter *iter)
|
|
{
|
|
return iter->entry == iter->end;
|
|
}
|