spl: implement CRC check on U-Boot uImage

[oweals/u-boot.git] / common / spl / spl_ymodem.c

diff --git a/common/spl/spl_ymodem.c b/common/spl/spl_ymodem.c
index 13e8e51da99d5031b01e2b3bdc3474b7e44e587a..577fdc69afe08078cec7a0386dd06d9f53bf50c9 100644 (file)
--- a/common/spl/spl_ymodem.c
+++ b/common/spl/spl_ymodem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2000-2004
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
@@ -6,15 +7,12 @@
  * Texas Instruments, <www.ti.com>
  *
  * Matt Porter <mporter@ti.com>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 #include <common.h>
 #include <spl.h>
 #include <xyzModem.h>
 #include <asm/u-boot.h>
-#include <asm/utils.h>
-#include <libfdt.h>
+#include <linux/libfdt.h>
 
 #define BUF_SIZE 1024
 
@@ -71,12 +69,13 @@ static ulong ymodem_read_fit(struct spl_load_info *load, ulong offset,
 static int spl_ymodem_load_image(struct spl_image_info *spl_image,
                                 struct spl_boot_device *bootdev)
 {
-       int size = 0;
+       ulong size = 0;
        int err;
        int res;
        int ret;
        connection_info_t info;
        char buf[BUF_SIZE];
+       struct image_header *ih;
        ulong addr = 0;
 
        info.mode = xyzModem_ymodem;
@@ -109,13 +108,18 @@ static int spl_ymodem_load_image(struct spl_image_info *spl_image,
                while ((res = xyzModem_stream_read(buf, BUF_SIZE, &err)) > 0)
                        size += res;
        } else {
-               spl_parse_image_header(spl_image, (struct image_header *)buf);
-               ret = spl_parse_image_header(spl_image,
-                                            (struct image_header *)buf);
+               ih = (struct image_header *)buf;
+               ret = spl_parse_image_header(spl_image, ih);
                if (ret)
                        return ret;
-               addr = spl_image->load_addr;
+#ifdef CONFIG_SPL_GZIP
+               if (ih->ih_comp == IH_COMP_GZIP)
+                       addr = CONFIG_SYS_LOAD_ADDR;
+               else
+#endif
+                       addr = spl_image->load_addr;
                memcpy((void *)addr, buf, res);
+               ih = (struct image_header *)addr;
                size += res;
                addr += res;
 
@@ -124,13 +128,25 @@ static int spl_ymodem_load_image(struct spl_image_info *spl_image,
                        size += res;
                        addr += res;
                }
+
+#ifdef CONFIG_SPL_GZIP
+               if (ih->ih_comp == IH_COMP_GZIP) {
+                       if (gunzip((void *)(spl_image->load_addr + sizeof(*ih)),
+                                  CONFIG_SYS_BOOTM_LEN,
+                                  (void *)(CONFIG_SYS_LOAD_ADDR + sizeof(*ih)),
+                                  &size)) {
+                               puts("Uncompressing error\n");
+                               return -EIO;
+                       }
+               }
+#endif
        }
 
 end_stream:
        xyzModem_stream_close(&err);
        xyzModem_stream_terminate(false, &getcymodem);
 
-       printf("Loaded %d bytes\n", size);
+       printf("Loaded %lu bytes\n", size);
        return 0;
 }
-SPL_LOAD_IMAGE_METHOD(0, BOOT_DEVICE_UART, spl_ymodem_load_image);
+SPL_LOAD_IMAGE_METHOD("UART", 0, BOOT_DEVICE_UART, spl_ymodem_load_image);