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-rw-r--r--arch/powerpc/lib/board.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/powerpc/lib/board.c b/arch/powerpc/lib/board.c
index c0c7fd4f6..2e0749da0 100644
--- a/arch/powerpc/lib/board.c
+++ b/arch/powerpc/lib/board.c
@@ -175,6 +175,16 @@ void __board_add_ram_info(int use_default)
}
void board_add_ram_info(int) __attribute__((weak, alias("__board_add_ram_info")));
+int __board_flash_wp_on(void)
+{
+ /*
+ * Most flashes can't be detected when write protection is enabled,
+ * so provide a way to let U-Boot gracefully ignore write protected
+ * devices.
+ */
+ return 0;
+}
+int board_flash_wp_on(void) __attribute__((weak, alias("__board_flash_wp_on")));
static int init_func_ram (void)
{
@@ -698,7 +708,11 @@ void board_init_r (gd_t *id, ulong dest_addr)
#if !defined(CONFIG_SYS_NO_FLASH)
puts ("FLASH: ");
- if ((flash_size = flash_init ()) > 0) {
+ if (board_flash_wp_on()) {
+ printf("Uninitialized - Write Protect On\n");
+ /* Since WP is on, we can't find real size. Set to 0 */
+ flash_size = 0;
+ } else if ((flash_size = flash_init ()) > 0) {
# ifdef CONFIG_SYS_FLASH_CHECKSUM
print_size (flash_size, "");
/*