Signed-off-by: Marc Kleine-Budde <[email protected]>
---
 scripts/imx/imx-image.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/scripts/imx/imx-image.c b/scripts/imx/imx-image.c
index 45f97504054e..89cb8240e40d 100644
--- a/scripts/imx/imx-image.c
+++ b/scripts/imx/imx-image.c
@@ -32,6 +32,7 @@
 #define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER)
 
 #define MAX_DCD 1024
+#define HEADER_LEN 0x1000      /* length of the blank area + IVT + DCD */
 
 static uint32_t image_load_addr;
 static uint32_t image_dcd_offset;
@@ -185,7 +186,7 @@ static int add_header_v2(void *buf, int offset, uint32_t 
loadaddr, uint32_t imag
        hdr->header.length      = htobe16(32);
        hdr->header.version     = IVT_VERSION;
 
-       hdr->entry              = loadaddr + 0x1000;
+       hdr->entry              = loadaddr + HEADER_LEN;
        hdr->dcd_ptr            = loadaddr + offset + offsetof(struct 
imx_flash_header_v2, dcd_header);
        hdr->boot_data_ptr      = loadaddr + offset + offsetof(struct 
imx_flash_header_v2, boot_data);
        hdr->self               = loadaddr + offset;
@@ -706,7 +707,7 @@ int main(int argc, char *argv[])
        if (ret)
                exit(1);
 
-       buf = calloc(4096, 1);
+       buf = calloc(1, HEADER_LEN);
        if (!buf)
                exit(1);
 
@@ -732,14 +733,14 @@ int main(int argc, char *argv[])
        }
 
        /*
-        * Add 0x1000 to the image size for the DCD.
+        * Add HEADER_LEN to the image size for the blank aera + IVT + DCD.
         * Align up to a 4k boundary, because:
         * - at least i.MX5 NAND boot only reads full NAND pages and misses the
         *   last partial NAND page.
         * - i.MX6 SPI NOR boot corrupts the last few bytes of an image loaded
         *   in ver funy ways when the image size is not 4 byte aligned
         */
-       load_size = ((image_size + 0x1000) + 0xfff) & ~0xfff;
+       load_size = ((image_size + HEADER_LEN) + 0xfff) & ~0xfff;
 
        switch (header_version) {
        case 1:
@@ -760,14 +761,14 @@ int main(int argc, char *argv[])
                exit(1);
        }
 
-       ret = xwrite(outfd, buf, 4096);
+       ret = xwrite(outfd, buf, HEADER_LEN);
        if (ret < 0) {
                perror("write");
                exit(1);
        }
 
        if (cpu_type == 35) {
-               ret = xwrite(outfd, buf, 4096);
+               ret = xwrite(outfd, buf, HEADER_LEN);
                if (ret < 0) {
                        perror("write");
                        exit(1);
-- 
2.1.4


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