Blackfin: respect CONFIG_SYS_MONITOR_LEN for default flash protection

Respect the CONFIG_SYS_MONITOR_LEN define rather than assuming a size of
128kB when setting up the default flash protection region for U-Boot
itself.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

diff --git a/lib_blackfin/board.c b/lib_blackfin/board.c
index fef1934d6faa2bace750177a551849b95e4d34ba..01b71d448134663878f533ccd004d3e39bb7cf8d 100644 (file)
--- a/lib_blackfin/board.c
+++ b/lib_blackfin/board.c
@@ -350,14 +350,14 @@ void board_init_r(gd_t * id, ulong dest_addr)
 #endif
 
 #if    !defined(CONFIG_SYS_NO_FLASH)
-       /* There are some other pointer constants we must deal with */
-       /* configure available FLASH banks */
+       /* Initialize the flash and protect u-boot by default */
        extern flash_info_t flash_info[];
        ulong size = flash_init();
        puts("Flash: ");
        print_size(size, "\n");
        flash_protect(FLAG_PROTECT_SET, CONFIG_SYS_FLASH_BASE,
-                     CONFIG_SYS_FLASH_BASE + 0x1ffff, &flash_info[0]);
+               CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN - 1,
+               &flash_info[0]);
        bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
        bd->bi_flashsize = size;
        bd->bi_flashoffset = 0;