Date: Thu, 7 Jun 2007 18:54:17 +0200 (CEST) From: =?iso-8859-1?Q?Bj=F6rn_K=F6nig?= <bkoenig@alpha-tierchen.de> To: "M. Warner Losh" <imp@bsdimp.com> Cc: arm@freebsd.org Subject: Re: 4-bit SD Card mode Message-ID: <50392.2001:6f8:101e:0:20e:cff:fe6d:6adb.1181235257.squirrel@webmail.alpha-tierchen.de> In-Reply-To: <20070607.093710.-1297711916.imp@bsdimp.com> References: <54244.2001:6f8:101e:0:20e:cff:fe6d:6adb.1181211368.squirrel@webmail.alpha-tierchen.de> <20070607105306.GH16463@cicely12.cicely.de> <64329.2001:6f8:101e:0:20e:cff:fe6d:6adb.1181214774.squirrel@webmail.alpha-tierchen.de> <20070607.093710.-1297711916.imp@bsdimp.com>
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[-- Attachment #1 --] M. Warner Losh schrieb: > If you come up with something that works, we can get it into the > tree. Apropos, what about this one that is attached to this mail? You need it if the boot loader hasn't setup the MCI. Björn [-- Attachment #2 --] --- src/sys/arm/at91/kb920x_machdep.c Wed May 23 13:20:50 2007 +++ src/sys/arm/at91/kb920x_machdep.c Thu Jun 7 11:00:27 2007 @@ -250,6 +250,12 @@ AT91C_PIO_PB16 | AT91C_PIO_PB17 | AT91C_PIO_PB18 | AT91C_PIO_PB19); #endif + /* setup PIO for MCI */ + at91_pio_use_gpio(AT91RM92_PIOB_BASE, AT91C_PIO_PB7); + at91_pio_gpio_output(AT91RM92_PIOB_BASE, AT91C_PIO_PB7, 0); + at91_pio_use_periph_a(AT91RM92_PIOA_BASE, AT91C_PA28_MCCDA | AT91C_PA29_MCDA0 | AT91C_PA27_MCCK, 0); + at91_pio_use_periph_b(AT91RM92_PIOB_BASE, AT91C_PB3_MCDA1 | AT91C_PB4_MCDA2 | AT91C_PB5_MCDA3, 0); + return (ramsize()); }help