mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-28 15:41:40 +00:00
00fa989eab
This is currently in the cmd/ file but we want to call it from a driver. Move it into a common place. Tidy up the header-file order while we are here. Signed-off-by: Simon Glass <sjg@chromium.org>
124 lines
2.7 KiB
C
124 lines
2.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* (C) Copyright 2015 Miao Yan <yanmiaobest@gmail.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <command.h>
|
|
#include <env.h>
|
|
#include <errno.h>
|
|
#include <qfw.h>
|
|
#include <dm.h>
|
|
|
|
static struct udevice *qfw_dev;
|
|
|
|
static int qemu_fwcfg_cmd_list_firmware(void)
|
|
{
|
|
int ret;
|
|
struct fw_cfg_file_iter iter;
|
|
struct fw_file *file;
|
|
|
|
/* make sure fw_list is loaded */
|
|
ret = qfw_read_firmware_list(qfw_dev);
|
|
if (ret)
|
|
return ret;
|
|
|
|
for (file = qfw_file_iter_init(qfw_dev, &iter);
|
|
!qfw_file_iter_end(&iter);
|
|
file = qfw_file_iter_next(&iter)) {
|
|
printf("%-56s\n", file->cfg.name);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int qemu_fwcfg_do_list(struct cmd_tbl *cmdtp, int flag,
|
|
int argc, char *const argv[])
|
|
{
|
|
if (qemu_fwcfg_cmd_list_firmware() < 0)
|
|
return CMD_RET_FAILURE;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int qemu_fwcfg_do_cpus(struct cmd_tbl *cmdtp, int flag,
|
|
int argc, char *const argv[])
|
|
{
|
|
printf("%d cpu(s) online\n", qfw_online_cpus(qfw_dev));
|
|
return 0;
|
|
}
|
|
|
|
static int qemu_fwcfg_do_load(struct cmd_tbl *cmdtp, int flag,
|
|
int argc, char *const argv[])
|
|
{
|
|
char *env;
|
|
ulong load_addr;
|
|
ulong initrd_addr;
|
|
|
|
env = env_get("loadaddr");
|
|
load_addr = env ?
|
|
hextoul(env, NULL) :
|
|
CONFIG_SYS_LOAD_ADDR;
|
|
|
|
env = env_get("ramdiskaddr");
|
|
initrd_addr = env ?
|
|
hextoul(env, NULL) :
|
|
#ifdef CFG_RAMDISK_ADDR
|
|
CFG_RAMDISK_ADDR;
|
|
#else
|
|
0;
|
|
#endif
|
|
|
|
if (argc == 2) {
|
|
load_addr = hextoul(argv[0], NULL);
|
|
initrd_addr = hextoul(argv[1], NULL);
|
|
} else if (argc == 1) {
|
|
load_addr = hextoul(argv[0], NULL);
|
|
}
|
|
|
|
if (!load_addr || !initrd_addr) {
|
|
printf("missing load or initrd address\n");
|
|
return CMD_RET_FAILURE;
|
|
}
|
|
|
|
return qemu_fwcfg_setup_kernel(qfw_dev, load_addr, initrd_addr);
|
|
}
|
|
|
|
static struct cmd_tbl fwcfg_commands[] = {
|
|
U_BOOT_CMD_MKENT(list, 0, 1, qemu_fwcfg_do_list, "", ""),
|
|
U_BOOT_CMD_MKENT(cpus, 0, 1, qemu_fwcfg_do_cpus, "", ""),
|
|
U_BOOT_CMD_MKENT(load, 2, 1, qemu_fwcfg_do_load, "", ""),
|
|
};
|
|
|
|
static int do_qemu_fw(struct cmd_tbl *cmdtp, int flag, int argc,
|
|
char *const argv[])
|
|
{
|
|
int ret;
|
|
struct cmd_tbl *fwcfg_cmd;
|
|
|
|
ret = qfw_get_dev(&qfw_dev);
|
|
if (ret) {
|
|
printf("QEMU fw_cfg interface not found\n");
|
|
return CMD_RET_USAGE;
|
|
}
|
|
|
|
fwcfg_cmd = find_cmd_tbl(argv[1], fwcfg_commands,
|
|
ARRAY_SIZE(fwcfg_commands));
|
|
argc -= 2;
|
|
argv += 2;
|
|
if (!fwcfg_cmd || argc > fwcfg_cmd->maxargs)
|
|
return CMD_RET_USAGE;
|
|
|
|
ret = fwcfg_cmd->cmd(fwcfg_cmd, flag, argc, argv);
|
|
|
|
return cmd_process_error(fwcfg_cmd, ret);
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
qfw, 4, 1, do_qemu_fw,
|
|
"QEMU firmware interface",
|
|
"<command>\n"
|
|
" - list : print firmware(s) currently loaded\n"
|
|
" - cpus : print online cpu number\n"
|
|
" - load <kernel addr> <initrd addr> : load kernel and initrd (if any), and setup for zboot\n"
|
|
)
|