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 --- board/aries/ma5d4evk/ma5d4evk.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/board/aries/ma5d4evk/ma5d4evk.c b/board/aries/ma5d4evk/ma5d4evk.c index dd74e29b8e..aa02b8a34b 100644 --- a/board/aries/ma5d4evk/ma5d4evk.c +++ b/board/aries/ma5d4evk/ma5d4evk.c @@ -269,12 +269,6 @@ int board_early_init_f(void) 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 @@ int board_init(void) 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; }