diff options
Diffstat (limited to 'drivers/misc/qfw.c')
-rw-r--r-- | drivers/misc/qfw.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/misc/qfw.c b/drivers/misc/qfw.c index 1d54b7542b8..9ef95caa895 100644 --- a/drivers/misc/qfw.c +++ b/drivers/misc/qfw.c @@ -7,6 +7,9 @@ #define LOG_CATEGORY UCLASS_QFW #include <common.h> +#include <bootdev.h> +#include <bootflow.h> +#include <bootmeth.h> #include <command.h> #include <errno.h> #include <log.h> @@ -310,8 +313,92 @@ int qfw_register(struct udevice *dev) return 0; } +static int qfw_post_bind(struct udevice *dev) +{ + int ret; + + ret = bootdev_setup_for_dev(dev, "qfw_bootdev"); + if (ret) + return log_msg_ret("dev", ret); + + return 0; +} + +static int qfw_get_bootflow(struct udevice *dev, struct bootflow_iter *iter, + struct bootflow *bflow) +{ + const struct udevice *media = dev_get_parent(dev); + int ret; + + if (!CONFIG_IS_ENABLED(BOOTSTD)) + return -ENOSYS; + + log_debug("media=%s\n", media->name); + ret = bootmeth_check(bflow->method, iter); + if (ret) + return log_msg_ret("check", ret); + + log_debug("iter->part=%d\n", iter->part); + + /* We only support the whole device, not partitions */ + if (iter->part) + return log_msg_ret("max", -ESHUTDOWN); + + log_debug("reading bootflow with method: %s\n", bflow->method->name); + ret = bootmeth_read_bootflow(bflow->method, bflow); + if (ret) + return log_msg_ret("method", ret); + + return 0; +} + +static int qfw_bootdev_bind(struct udevice *dev) +{ + struct bootdev_uc_plat *ucp = dev_get_uclass_plat(dev); + + ucp->prio = BOOTDEVP_4_SCAN_FAST; + + return 0; +} + +static int qfw_bootdev_hunt(struct bootdev_hunter *info, bool show) +{ + int ret; + + ret = uclass_probe_all(UCLASS_QFW); + if (ret && ret != -ENOENT) + return log_msg_ret("vir", ret); + + return 0; +} + UCLASS_DRIVER(qfw) = { .id = UCLASS_QFW, .name = "qfw", + .post_bind = qfw_post_bind, .per_device_auto = sizeof(struct qfw_dev), }; + +struct bootdev_ops qfw_bootdev_ops = { + .get_bootflow = qfw_get_bootflow, +}; + +static const struct udevice_id qfw_bootdev_ids[] = { + { .compatible = "u-boot,bootdev-qfw" }, + { } +}; + +U_BOOT_DRIVER(qfw_bootdev) = { + .name = "qfw_bootdev", + .id = UCLASS_BOOTDEV, + .ops = &qfw_bootdev_ops, + .bind = qfw_bootdev_bind, + .of_match = qfw_bootdev_ids, +}; + +BOOTDEV_HUNTER(qfw_bootdev_hunter) = { + .prio = BOOTDEVP_4_SCAN_FAST, + .uclass = UCLASS_QFW, + .hunt = qfw_bootdev_hunt, + .drv = DM_DRIVER_REF(qfw_bootdev), +}; |