+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2015 Miao Yan <yanmiaobest@gmail.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <command.h>
+#include <env.h>
#include <errno.h>
#include <qfw.h>
+#include <dm.h>
-/*
- * This function prepares kernel for zboot. It loads kernel data
- * to 'load_addr', initrd to 'initrd_addr' and kernel command
- * line using qemu fw_cfg interface.
- */
-static int qemu_fwcfg_setup_kernel(void *load_addr, void *initrd_addr)
-{
- char *data_addr;
- uint32_t setup_size, kernel_size, cmdline_size, initrd_size;
-
- qemu_fwcfg_read_entry(FW_CFG_SETUP_SIZE, 4, &setup_size);
- qemu_fwcfg_read_entry(FW_CFG_KERNEL_SIZE, 4, &kernel_size);
-
- if (setup_size == 0 || kernel_size == 0) {
- printf("warning: no kernel available\n");
- return -1;
- }
-
- data_addr = load_addr;
- qemu_fwcfg_read_entry(FW_CFG_SETUP_DATA,
- le32_to_cpu(setup_size), data_addr);
- data_addr += le32_to_cpu(setup_size);
-
- qemu_fwcfg_read_entry(FW_CFG_KERNEL_DATA,
- le32_to_cpu(kernel_size), data_addr);
- data_addr += le32_to_cpu(kernel_size);
-
- data_addr = initrd_addr;
- qemu_fwcfg_read_entry(FW_CFG_INITRD_SIZE, 4, &initrd_size);
- if (initrd_size == 0) {
- printf("warning: no initrd available\n");
- } else {
- qemu_fwcfg_read_entry(FW_CFG_INITRD_DATA,
- le32_to_cpu(initrd_size), data_addr);
- data_addr += le32_to_cpu(initrd_size);
- }
-
- qemu_fwcfg_read_entry(FW_CFG_CMDLINE_SIZE, 4, &cmdline_size);
- if (cmdline_size) {
- qemu_fwcfg_read_entry(FW_CFG_CMDLINE_DATA,
- le32_to_cpu(cmdline_size), data_addr);
- /*
- * if kernel cmdline only contains '\0', (e.g. no -append
- * when invoking qemu), do not update bootargs
- */
- if (*data_addr != '\0') {
- if (setenv("bootargs", data_addr) < 0)
- printf("warning: unable to change bootargs\n");
- }
- }
-
- printf("loading kernel to address %p size %x", load_addr,
- le32_to_cpu(kernel_size));
- if (initrd_size)
- printf(" initrd %p size %x\n",
- initrd_addr,
- le32_to_cpu(initrd_size));
- else
- printf("\n");
+static struct udevice *qfw_dev;
- return 0;
-}
-
-static int qemu_fwcfg_list_firmware(void)
+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 = qemu_fwcfg_read_firmware_list();
+ ret = qfw_read_firmware_list(qfw_dev);
if (ret)
return ret;
-
- for (file = qemu_fwcfg_file_iter_init(&iter);
- !qemu_fwcfg_file_iter_end(&iter);
- file = qemu_fwcfg_file_iter_next(&iter)) {
+ 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(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int qemu_fwcfg_do_list(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
- if (qemu_fwcfg_list_firmware() < 0)
+ if (qemu_fwcfg_cmd_list_firmware() < 0)
return CMD_RET_FAILURE;
return 0;
}
-static int qemu_fwcfg_do_cpus(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int qemu_fwcfg_do_cpus(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
- int ret = qemu_fwcfg_online_cpus();
- if (ret < 0) {
- printf("QEMU fw_cfg interface not found\n");
- return CMD_RET_FAILURE;
- }
-
- printf("%d cpu(s) online\n", qemu_fwcfg_online_cpus());
-
+ printf("%d cpu(s) online\n", qfw_online_cpus(qfw_dev));
return 0;
}
-static int qemu_fwcfg_do_load(cmd_tbl_t *cmdtp, int flag,
- int argc, char * const argv[])
+static int qemu_fwcfg_do_load(struct cmd_tbl *cmdtp, int flag,
+ int argc, char *const argv[])
{
char *env;
- void *load_addr;
- void *initrd_addr;
+ ulong load_addr;
+ ulong initrd_addr;
- env = getenv("loadaddr");
+ env = env_get("loadaddr");
load_addr = env ?
- (void *)simple_strtoul(env, NULL, 16) :
-#ifdef CONFIG_LOADADDR
- (void *)CONFIG_LOADADDR;
-#else
- NULL;
-#endif
+ hextoul(env, NULL) :
+ CONFIG_SYS_LOAD_ADDR;
- env = getenv("ramdiskaddr");
+ env = env_get("ramdiskaddr");
initrd_addr = env ?
- (void *)simple_strtoul(env, NULL, 16) :
-#ifdef CONFIG_RAMDISK_ADDR
- (void *)CONFIG_RAMDISK_ADDR;
+ hextoul(env, NULL) :
+#ifdef CFG_RAMDISK_ADDR
+ CFG_RAMDISK_ADDR;
#else
- NULL;
+ 0;
#endif
if (argc == 2) {
- load_addr = (void *)simple_strtoul(argv[0], NULL, 16);
- initrd_addr = (void *)simple_strtoul(argv[1], NULL, 16);
+ load_addr = hextoul(argv[0], NULL);
+ initrd_addr = hextoul(argv[1], NULL);
} else if (argc == 1) {
- load_addr = (void *)simple_strtoul(argv[0], NULL, 16);
+ load_addr = hextoul(argv[0], NULL);
}
if (!load_addr || !initrd_addr) {
return CMD_RET_FAILURE;
}
- return qemu_fwcfg_setup_kernel(load_addr, initrd_addr);
+ return qemu_fwcfg_setup_kernel(qfw_dev, load_addr, initrd_addr);
}
-static cmd_tbl_t fwcfg_commands[] = {
+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(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_qemu_fw(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
int ret;
- cmd_tbl_t *fwcfg_cmd;
+ struct cmd_tbl *fwcfg_cmd;
- if (!qemu_fwcfg_present()) {
+ ret = qfw_get_dev(&qfw_dev);
+ if (ret) {
printf("QEMU fw_cfg interface not found\n");
return CMD_RET_USAGE;
}