ARM: at91: ma5d4: Reset CAN controllers late
The CAN controllers need slight delay between toggling of their reset
line. Move this action into board_init(), otherwise timer will not be
initialized and the board might hang.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andreas Bießmann <andreas.devel@googlemail.com>
diff --git a/board/aries/ma5d4evk/ma5d4evk.c b/board/aries/ma5d4evk/ma5d4evk.c
index dd74e29..aa02b8a 100644
--- a/board/aries/ma5d4evk/ma5d4evk.c
+++ b/board/aries/ma5d4evk/ma5d4evk.c
@@ -269,12 +269,6 @@
at91_set_pio_output(AT91_PIO_PORTD, 29, 0);
at91_set_pio_output(AT91_PIO_PORTD, 30, 0);
- /* Reset CAN controllers */
- at91_set_pio_output(AT91_PIO_PORTB, 21, 0);
- udelay(100);
- at91_set_pio_output(AT91_PIO_PORTB, 21, 1);
- at91_pio3_set_pio_pulldown(AT91_PIO_PORTB, 21, 0);
-
ma5d4evk_serial_hw_init();
return 0;
@@ -305,6 +299,12 @@
at91_udp_hw_init();
#endif
+ /* Reset CAN controllers */
+ at91_set_pio_output(AT91_PIO_PORTB, 21, 0);
+ udelay(100);
+ at91_set_pio_output(AT91_PIO_PORTB, 21, 1);
+ at91_pio3_set_pio_pulldown(AT91_PIO_PORTB, 21, 0);
+
return 0;
}