Message ID | 1291179552-12019-1-git-send-email-u-boot@emk-elektronik.de |
---|---|
State | Accepted |
Commit | accef43145a63535fa38714af469f22d912d6c64 |
Delegated to: | Reinhard Meyer |
Headers | show |
Reinhard Meyer schrieb: > The AT91SAM9G20 BOOT ROM apparently initializes PA23 and PA24 to multi drive > (open drain). Revert this, if those pins are going to be used for MII. > > Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de> > --- > arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c | 5 +++++ > 1 files changed, 5 insertions(+), 0 deletions(-) Applied to u-boot-atmel/next. Thanks
diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c index f699f4d..c1822b7 100644 --- a/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c +++ b/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c @@ -204,6 +204,11 @@ void at91_macb_hw_init(void) #else at91_set_b_periph(AT91_PIO_PORTA, 23, 0); /* ETX2 */ at91_set_b_periph(AT91_PIO_PORTA, 24, 0); /* ETX3 */ +#if defined(CONFIG_AT91SAM9G20) + /* 9G20 BOOT ROM initializes those pins to multi-drive, undo that */ + at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 0); + at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 0); +#endif #endif at91_set_b_periph(AT91_PIO_PORTA, 22, 0); /* ETXER */ #endif
The AT91SAM9G20 BOOT ROM apparently initializes PA23 and PA24 to multi drive (open drain). Revert this, if those pins are going to be used for MII. Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de> --- arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)