Merge branch 'for-next/imd-checksum'

4 files changed, 27 insertions, 6 deletions

diff --git a/arch/arm/boards/tny-a926x/tny_a9263_bootstrap.c b/arch/arm/boards/tny-a926x/tny_a9263_bootstrap.c
index 368c67744f..f26f1eaecb 100644
--- a/arch/arm/boards/tny-a926x/tny_a9263_bootstrap.c
+++ b/arch/arm/boards/tny-a926x/tny_a9263_bootstrap.c
@@ -11,6 +11,6 @@
 #ifdef CONFIG_MTD_DATAFLASH
 void * bootstrap_board_read_dataflash(void)
 {
-	return bootstrap_read_devfs("dataflash0", false, 0xffc0, 204864, 204864);
+	return bootstrap_read_devfs("dataflash0", false, 0xffc0, 204864, 204864, NULL);
 }
 #endif
diff --git a/arch/arm/boards/usb-a926x/usb_a9263_bootstrap.c b/arch/arm/boards/usb-a926x/usb_a9263_bootstrap.c
index 368c67744f..f26f1eaecb 100644
--- a/arch/arm/boards/usb-a926x/usb_a9263_bootstrap.c
+++ b/arch/arm/boards/usb-a926x/usb_a9263_bootstrap.c
@@ -11,6 +11,6 @@
 #ifdef CONFIG_MTD_DATAFLASH
 void * bootstrap_board_read_dataflash(void)
 {
-	return bootstrap_read_devfs("dataflash0", false, 0xffc0, 204864, 204864);
+	return bootstrap_read_devfs("dataflash0", false, 0xffc0, 204864, 204864, NULL);
 }
 #endif
diff --git a/arch/arm/mach-at91/bootstrap.c b/arch/arm/mach-at91/bootstrap.c
index 5d21b2d021..0b1567cd23 100644
--- a/arch/arm/mach-at91/bootstrap.c
+++ b/arch/arm/mach-at91/bootstrap.c
@@ -78,7 +78,7 @@ static void at91bootstrap_boot_nand(bool is_barebox)
 	kernel_entry_func func = NULL;
 
 	printf("Boot %s from nand\n", name);
-	func = bootstrap_read_devfs("nand0", true, SZ_128K, SZ_256K, SZ_1M);
+	func = bootstrap_read_devfs("nand0", true, SZ_128K, SZ_256K, SZ_1M, NULL);
 	bootstrap_boot(func, is_barebox);
 	bootstrap_err("... failed\n");
 	free(func);
@@ -89,7 +89,7 @@ static void at91bootstrap_boot_mmc(void)
 	kernel_entry_func func = NULL;
 
 	printf("Boot from mmc\n");
-	func = bootstrap_read_disk("disk0.0", NULL);
+	func = bootstrap_read_disk("disk0.0", NULL, NULL);
 	bootstrap_boot(func, false);
 	bootstrap_err("... failed\n");
 	free(func);
diff --git a/arch/arm/mach-socfpga/xload.c b/arch/arm/mach-socfpga/xload.c
index ee7d194427..5c611ac6e1 100644
--- a/arch/arm/mach-socfpga/xload.c
+++ b/arch/arm/mach-socfpga/xload.c
@@ -8,6 +8,8 @@
 #include <fs.h>
 #include <io.h>
 
+#include <image-metadata.h>
+
 #include <linux/clkdev.h>
 #include <linux/stat.h>
 #include <linux/clk.h>
@@ -31,13 +33,14 @@ static __noreturn int socfpga_xload(void)
 	enum bootsource bootsource = bootsource_get();
 	const struct socfpga_barebox_part *part;
 	void *buf = NULL;
+	size_t bufsize;
 
 	switch (bootsource) {
 	case BOOTSOURCE_MMC:
 		socfpga_cyclone5_mmc_init();
 
 		for (part = barebox_parts; part->mmc_disk; part++) {
-			buf = bootstrap_read_disk(barebox_parts->mmc_disk, "fat");
+			buf = bootstrap_read_disk(barebox_parts->mmc_disk, "fat", &bufsize);
 			if (!buf) {
 				pr_info("failed to load barebox from MMC %s\n",
 					part->mmc_disk);
@@ -48,17 +51,35 @@ static __noreturn int socfpga_xload(void)
 			pr_err("failed to load barebox.bin from MMC\n");
 			hang();
 		}
+
+		if (IS_ENABLED(CONFIG_IMD))
+			if (imd_verify_crc32(buf, bufsize) == -EILSEQ) {
+				pr_err("failed to verify barebox.bin loaded from eMMC\n");
+				hang();
+			}
+
 		break;
 	case BOOTSOURCE_SPI:
 		socfpga_cyclone5_qspi_init();
 		for (part = barebox_parts; part->nor_size; part++) {
 			buf = bootstrap_read_devfs("mtd0", false,
-					part->nor_offset, part->nor_size, SZ_1M);
+					part->nor_offset, part->nor_size, SZ_1M, &bufsize);
 			if (!buf) {
 				pr_info("failed to load barebox from QSPI NOR flash at offset %#x\n",
 					part->nor_offset);
 				continue;
 			}
+
+			if (IS_ENABLED(CONFIG_IMD))
+				if (imd_verify_crc32(buf, bufsize) == -EILSEQ) {
+					pr_err("failed to verify barebox loaded from "
+					       "QSPI NOR flash at offset %#x\n",
+					       part->nor_offset);
+					free(buf);
+					buf = NULL;
+					continue;
+				}
+
 			break;
 		}