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ARM: at91: ma5d4: Reset CAN controllers late

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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>
This commit is contained in:
Marek Vasut 2017-05-02 20:27:42 +02:00 • committed by Tom Rini
parent ae625ae5a1
commit 52a557d64c
1 changed files with 6 additions and 6 deletions
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12
board/aries/ma5d4evk/ma5d4evk.c
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@ -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;
}