From: Minkyu Kang <mk7.kang@samsung.com>
Date: Thu, 7 Oct 2010 06:45:09 +0000 (+0900)
Subject: usbd: prevent the wrong image downloading
X-Git-Tag: v0.2~377
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=25448f29343c99c792231efc9c3b5e3c07092c20;p=kernel%2Fu-boot.git

usbd: prevent the wrong image downloading

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
---

diff --git a/common/cmd_usbd.c b/common/cmd_usbd.c
index 15dc7e9..16fb02c 100644
--- a/common/cmd_usbd.c
+++ b/common/cmd_usbd.c
@@ -1039,6 +1039,21 @@ static int process_data(struct usbd_ops *usbd)
 			}
 		}
 #endif
+#ifdef CONFIG_SBOOT
+		/* Only u-boot.bin is allowed */
+		{
+			long *img_header = (long *)down_ram_addr;
+
+			if (*img_header != 0xea000018) {
+				printf("\n!!! ERROR !!!\n"
+					"Please download the u-boot.bin.\n"
+					"Other images are not allowed.\n\n");
+				*((ulong *) usbd->tx_data) = STATUS_ERROR;
+				usbd->send_data(usbd->tx_data, usbd->tx_len);
+				return 0;
+			}
+		}
+#endif
 #if defined(CONFIG_ENV_IS_IN_NAND) || defined(CONFIG_ENV_IS_IN_ONENAND)
 		/* Erase the environment also when write bootloader */
 		{