x86: Move work-around out of cpu_jump_to_64bit_uboot()
authorSimon Glass <sjg@chromium.org>
Fri, 1 May 2020 03:21:41 +0000 (21:21 -0600)
committerBin Meng <bmeng.cn@gmail.com>
Mon, 4 May 2020 07:28:28 +0000 (15:28 +0800)
At present this function copies U-Boot from the last 1MB of ROM. This is
not the right way to do it. Instead, the binman symbol should provide the
location.

But in any case the code should live in the caller,
spl_board_load_image(), so that the 64-bit jump function can be used
elsewhere. Move it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
arch/x86/cpu/i386/cpu.c
arch/x86/lib/spl.c

index facd4f5..435e50e 100644 (file)
@@ -614,16 +614,6 @@ int cpu_jump_to_64bit_uboot(ulong target)
 
        func = (func_t)ptr;
 
-       /*
-        * Copy U-Boot from ROM
-        * TODO(sjg@chromium.org): Figure out a way to get the text base
-        * correctly here, and in the device-tree binman definition.
-        *
-        * Also consider using FIT so we get the correct image length and
-        * parameters.
-        */
-       memcpy((char *)target, (char *)0xfff00000, 0x100000);
-
        /* Jump to U-Boot */
        func((ulong)pgtable, 0, (ulong)target);
 
index 90baec2..95a89c0 100644 (file)
@@ -207,6 +207,19 @@ static int spl_board_load_image(struct spl_image_info *spl_image,
        spl_image->os = IH_OS_U_BOOT;
        spl_image->name = "U-Boot";
 
+       if (!IS_ENABLED(CONFIG_SYS_COREBOOT)) {
+               /*
+                * Copy U-Boot from ROM
+                * TODO(sjg@chromium.org): Figure out a way to get the text base
+                * correctly here, and in the device-tree binman definition.
+                *
+                * Also consider using FIT so we get the correct image length
+                * and parameters.
+                */
+               memcpy((char *)spl_image->load_addr, (char *)0xfff00000,
+                      0x100000);
+       }
+
        debug("Loading to %lx\n", spl_image->load_addr);
 
        return 0;