[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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