Am Montag, den 10.01.2011, 11:28 -0500 schrieb Mike Frysinger: > On Mon, Jan 10, 2011 at 10:59 AM, Andreas Pretzsch wrote: > > As your code already uses the Linux GPIO conventions and naming (without > > the gpio_chip stuff, which is not necessary for a bootloader IMHO), it'd > > be a solid base for that. > > > > Mr. Denk, are there any plans for a generic GPIO layer in U-Boot ? > > if we arent supporting gpio_chips, then there really isnt much need > for common GPIO code. there is already a generic GPIO layer in U-Boot > just like in Linux -- include asm/gpio.h and use the normal gpio_xxx > set of functions.
Well, partly. True for Blackfin and a few ARM/AVR32/NIOS2, albeit the latter have a mixture of specific names like at91_get_gpio_value(), pin_to_controller(), kw_gpio_get_value(), etc. Therefore unifying them to common names and syntax would be the first step. Of course, the gpio_chip approach of Linux is the cleaner way, adding only a few extra bytes of code/ram. I'm fine with both. As time permits, I'm willing to help here. -- carpe noctem engineering Ingenieurbuero fuer Hard- & Software-Entwicklung Andreas Pretzsch Dipl.-Ing. (FH) Andreas Pretzsch Tel. +49-(0)731-5521572 Hahnengasse 3 Fax: +49-(0)731-5521573 89073 Ulm, Germany email: a...@cn-eng.de _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
