[PATCH 17/27] efi: Add a bootdev for EFI media

[Simon Glass]

Bootstd needs a driver so that it can scan EFI media within the EFI app.
Add one.

Signed-off-by: Simon Glass <s...@chromium.org>
---

 drivers/block/efi_blk.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/drivers/block/efi_blk.c b/drivers/block/efi_blk.c
index 9766cd6f832..6d67bff32bc 100644
--- a/drivers/block/efi_blk.c
+++ b/drivers/block/efi_blk.c
@@ -9,6 +9,7 @@
  */
 
 #include <blk.h>
+#include <bootdev.h>
 #include <dm.h>
 #include <efi.h>
 #include <efi_api.h>
@@ -79,6 +80,31 @@ static const struct blk_ops efi_blk_ops = {
        .write  = efi_bl_write,
 };
 
+static int efi_bootdev_bind(struct udevice *dev)
+{
+       struct bootdev_uc_plat *ucp = dev_get_uclass_plat(dev);
+
+       ucp->prio = BOOTDEVP_3_INTERNAL_SLOW;
+
+       return 0;
+}
+
+struct bootdev_ops efi_bootdev_ops = {
+};
+
+static const struct udevice_id efi_bootdev_ids[] = {
+       { .compatible = "u-boot,bootdev-efi" },
+       { }
+};
+
+U_BOOT_DRIVER(efi_bootdev) = {
+       .name           = "efi_bootdev",
+       .id             = UCLASS_BOOTDEV,
+       .ops            = &efi_bootdev_ops,
+       .bind           = efi_bootdev_bind,
+       .of_match       = efi_bootdev_ids,
+};
+
 U_BOOT_DRIVER(efi_block) = {
        .name           = "efi_block",
        .id             = UCLASS_BLK,
@@ -103,6 +129,10 @@ static int efi_media_bind(struct udevice *dev)
        blk_plat = dev_get_plat(blk);
        blk_plat->blkio = plat->blkio;
 
+       ret = bootdev_setup_for_sibling_blk(blk, "efi_bootdev");
+       if (ret)
+               return log_msg_ret("emb", ret);
+
        return 0;
 }
 
-- 
2.43.0