avr32: Use board_postclk_init instead of gclk_init
Replace the avr32-specific gclk_init() board hook with the standard
board_postclk_init() hook which is supposed to run at the same point
during initialization.
Provide a dummy weak alias for boards not implementing this hook. The
cost of this is:
- 2 bytes for the dummy function (retal 0)
- 2 bytes for each unnecessary function call (short rcall)
which is a pretty small price to pay for avoiding lots of #ifdef
clutter. In this particular case, all boards probably end up slightly
smaller because we avoid the conditional checking if the gclk_init
symbol is NULL.
Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
diff --git a/lib_avr32/board.c b/lib_avr32/board.c
index d6423d4..19d76d2 100644
--- a/lib_avr32/board.c
+++ b/lib_avr32/board.c
@@ -47,6 +47,13 @@
static unsigned long mem_malloc_end = 0;
static unsigned long mem_malloc_brk = 0;
+/* Weak aliases for optional board functions */
+static int __do_nothing(void)
+{
+ return 0;
+}
+int board_postclk_init(void) __attribute__((weak, alias("__do_nothing")));
+
/* The malloc area is right below the monitor image in RAM */
static void mem_malloc_init(void)
{
@@ -187,6 +194,7 @@
/* Perform initialization sequence */
board_early_init_f();
cpu_init();
+ board_postclk_init();
env_init();
init_baudrate();
serial_init();