linux-kernel - [PATCH 01/15] habanalabs: add new device CPU boot status

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Message-Id: <20190317195927.26238-2-oded.gabbay@gmail.com>
Date:   Sun, 17 Mar 2019 21:59:13 +0200
From:   Oded Gabbay <oded.gabbay@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     gregkh@...uxfoundation.org, Igor Grinberg <igrinberg@...ana.ai>
Subject: [PATCH 01/15] habanalabs: add new device CPU boot status

From: Igor Grinberg <igrinberg@...ana.ai>

This patch adds a definition of a new status in the device CPU boot stages
and add the handling of the new status.

Signed-off-by: Igor Grinberg <igrinberg@...ana.ai>
Signed-off-by: Oded Gabbay <oded.gabbay@...il.com>
---
 drivers/misc/habanalabs/goya/goya.c          | 5 +++++
 drivers/misc/habanalabs/include/hl_boot_if.h | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c
index ea979ebd62fb..0185f11c5577 100644
--- a/drivers/misc/habanalabs/goya/goya.c
+++ b/drivers/misc/habanalabs/goya/goya.c
@@ -2550,6 +2550,11 @@ static int goya_init_cpu(struct hl_device *hdev, u32 cpu_timeout)
 				"ARM status %d - DDR initialization failed\n",
 				status);
 			break;
+		case CPU_BOOT_STATUS_UBOOT_NOT_READY:
+			dev_err(hdev->dev,
+				"ARM status %d - u-boot stopped by user\n",
+				status);
+			break;
 		default:
 			dev_err(hdev->dev,
 				"ARM status %d - Invalid status code\n",
diff --git a/drivers/misc/habanalabs/include/hl_boot_if.h b/drivers/misc/habanalabs/include/hl_boot_if.h
index 7475732b9996..4cd04c090285 100644
--- a/drivers/misc/habanalabs/include/hl_boot_if.h
+++ b/drivers/misc/habanalabs/include/hl_boot_if.h
@@ -18,7 +18,8 @@ enum cpu_boot_status {
 	CPU_BOOT_STATUS_IN_SPL,
 	CPU_BOOT_STATUS_IN_UBOOT,
 	CPU_BOOT_STATUS_DRAM_INIT_FAIL,
-	CPU_BOOT_STATUS_FIT_CORRUPTED
+	CPU_BOOT_STATUS_FIT_CORRUPTED,
+	CPU_BOOT_STATUS_UBOOT_NOT_READY,
 };
 
 enum kmd_msg {
-- 
2.17.1