Add ahci sata bootdev and corresponding hunting function.
Signed-off-by: Tony Dinh <mibo...@gmail.com>
---
drivers/ata/Makefile | 1 +
drivers/ata/sata.c | 25 +++++++++++++++
drivers/ata/sata_bootdev.c | 62 ++++++++++++++++++++++++++++++++++++++
include/sata.h | 1 +
4 files changed, 89 insertions(+)
create mode 100644 drivers/ata/sata_bootdev.c
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index 6e30180b8b..c1b51b5444 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -11,6 +11,7 @@ obj-$(CONFIG_DWC_AHSATA) += dwc_ahsata.o
obj-$(CONFIG_FSL_SATA) += fsl_sata.o
obj-$(CONFIG_LIBATA) += libata.o
obj-$(CONFIG_SATA) += sata.o
+obj-$(CONFIG_BOOTSTD) += sata_bootdev.o
obj-$(CONFIG_SATA_CEVA) += sata_ceva.o
obj-$(CONFIG_SATA_MV) += sata_mv.o
obj-$(CONFIG_SATA_SIL) += sata_sil.o
diff --git a/drivers/ata/sata.c b/drivers/ata/sata.c
index ce3e9b5a40..9da7218564 100644
--- a/drivers/ata/sata.c
+++ b/drivers/ata/sata.c
@@ -15,6 +15,8 @@
#include <dm.h>
#include <part.h>
#include <sata.h>
+#include <dm/device-internal.h>
+#include <dm/uclass-internal.h>
#ifndef CONFIG_AHCI
struct blk_desc sata_dev_desc[CONFIG_SYS_SATA_MAX_DEVICE];
@@ -50,6 +52,29 @@ int sata_scan(struct udevice *dev)
return ops->scan(dev);
}
+int sata_rescan(bool verbose)
+{
+ struct udevice *dev;
+ int devnum = 0;
+ int ret;
+
+ /* Find and probing the SATA controller */
+ ret = uclass_get_device(UCLASS_AHCI, devnum, &dev);
+
+ /* Sanity check */
+ if (ret)
+ ret = uclass_find_first_device(UCLASS_AHCI, &dev);
+ if (ret) {
+ printf("Cannot probe SATA device %d (err=%d)\n", devnum, ret);
+ return -ENOSYS;
+ }
+ if (!dev) {
+ printf("No SATA device found!\n");
+ return -ENOSYS;
+ }
+ return 0;
+}
+
#ifndef CONFIG_AHCI
#ifdef CONFIG_PARTITIONS
struct blk_desc *sata_get_dev(int dev)
diff --git a/drivers/ata/sata_bootdev.c b/drivers/ata/sata_bootdev.c
new file mode 100644
index 0000000000..f638493ce0
--- /dev/null
+++ b/drivers/ata/sata_bootdev.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Bootdev for sata
+ *
+ * Copyright 2023 Tony Dinh <mibo...@gmail.com>
+ */
+
+#include <common.h>
+#include <ahci.h>
+#include <bootdev.h>
+#include <dm.h>
+#include <init.h>
+#include <sata.h>
+
+static int sata_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 sata_bootdev_hunt(struct bootdev_hunter *info, bool show)
+{
+ int ret;
+
+ if (IS_ENABLED(CONFIG_PCI)) {
+ ret = pci_init();
+ if (ret)
+ return ret;
+ }
+
+ ret = sata_rescan(true);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+struct bootdev_ops sata_bootdev_ops = {
+};
+
+static const struct udevice_id sata_bootdev_ids[] = {
+ { .compatible = "u-boot,bootdev-sata" },
+ { }
+};
+
+U_BOOT_DRIVER(sata_bootdev) = {
+ .name = "sata_bootdev",
+ .id = UCLASS_BOOTDEV,
+ .ops = &sata_bootdev_ops,
+ .bind = sata_bootdev_bind,
+ .of_match = sata_bootdev_ids,
+};
+
+BOOTDEV_HUNTER(sata_bootdev_hunter) = {
+ .prio = BOOTDEVP_4_SCAN_FAST,
+ .uclass = UCLASS_AHCI,
+ .hunt = sata_bootdev_hunt,
+ .drv = DM_DRIVER_REF(sata_bootdev),
+};
diff --git a/include/sata.h b/include/sata.h
index d89f7a8a29..0495744bad 100644
--- a/include/sata.h
+++ b/include/sata.h
@@ -20,5 +20,6 @@ extern struct blk_desc sata_dev_desc[];
int sata_probe(int devnum);
int sata_remove(int devnum);
+int sata_rescan(bool verbose);
#endif
--
2.39.2
