[PATCH 2/2] arm: mvebu: clearfog: support multiple SATA boot
Joel Johnson
mrjoel at lixil.net
Wed Jan 29 04:59:45 CET 2020
Enabled distro bootcmd support for additional SATA ports if enabled.
Signed-off-by: Joel Johnson <mrjoel at lixil.net>
---
This patch builds on and requires the separate patch series adding
configurable SATA support ("arm: mvebu: clearfog: Add SATA mode flags").
---
include/configs/clearfog.h | 31 ++++++++++++++++++++++++++++---
1 file changed, 28 insertions(+), 3 deletions(-)
diff --git a/include/configs/clearfog.h b/include/configs/clearfog.h
index a452f4b009..0bf7e9d950 100644
--- a/include/configs/clearfog.h
+++ b/include/configs/clearfog.h
@@ -111,15 +111,40 @@
#endif
#ifdef CONFIG_SCSI
-#define BOOT_TARGET_DEVICES_SCSI(func) func(SCSI, scsi, 0)
+#define BOOT_TARGET_DEVICES_SCSI_M2SATA(func) func(SCSI, scsi, 0)
+
+/*
+ * Either one or both mPCIe slots may be configured as mSATA interfaces. The
+ * SCSI bus ids are assigned based on sequence of hardware present, not always
+ * tied to hardware slot ids. As such, use second SCSI bus if either slot is
+ * set for SATA, and only use third SCSI bus if both slots are SATA enabled.
+ */
+#if defined (CONFIG_CLEARFOG_CON2_SATA) || defined (CONFIG_CLEARFOG_CON3_SATA)
+#define BOOT_TARGET_DEVICES_SCSI_CLEARFOG2(func) func(SCSI, scsi, 1)
+#else
+#define BOOT_TARGET_DEVICES_SCSI_CLEARFOG2(func)
+#endif
+
+#if defined (CONFIG_CLEARFOG_CON2_SATA) && defined (CONFIG_CLEARFOG_CON3_SATA)
+#define BOOT_TARGET_DEVICES_SCSI_CLEARFOG3(func) func(SCSI, scsi, 2)
#else
-#define BOOT_TARGET_DEVICES_SCSI(func)
+#define BOOT_TARGET_DEVICES_SCSI_CLEARFOG3(func)
#endif
+#else
+#define BOOT_TARGET_DEVICES_SCSI_M2SATA(func)
+#endif /* CONFIG_SCSI */
+
+/*
+ * The SCSI buses are attempted in increasing bus order, there is no current
+ * mechanism to alter the default bus priority order for booting.
+ */
#define BOOT_TARGET_DEVICES(func) \
BOOT_TARGET_DEVICES_MMC(func) \
BOOT_TARGET_DEVICES_USB(func) \
- BOOT_TARGET_DEVICES_SCSI(func) \
+ BOOT_TARGET_DEVICES_SCSI_M2SATA(func) \
+ BOOT_TARGET_DEVICES_SCSI_CLEARFOG2(func) \
+ BOOT_TARGET_DEVICES_SCSI_CLEARFOG3(func) \
func(PXE, pxe, na) \
func(DHCP, dhcp, na)
--
2.20.1
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