[U-Boot] [PATCH 3/6 v3] nios2: add gpio support to nios2-generic board

Scott McNutt
2010-04-30T14:24:14Z

Thomas Chou wrote:
> This patch adds gpio support of Altera PIO component to the
> nios2-generic board. Though it drives only gpio_led at the
> moment, it supports bidirectional port to control bit-banging
> I2C, NAND flash busy status or button switches, etc.
>
> Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
> ---
> v3: split patches for gpio and spi, based gpio on altera pio core.
> v2: remove mmc_spi_init()
>
> board/altera/nios2-generic/Makefile | 1 +
> board/altera/nios2-generic/gpio.c | 55 +++++++++++++++++++++++++++++++++++
> include/configs/nios2-generic.h | 6 ++--
> 3 files changed, 59 insertions(+), 3 deletions(-)
> create mode 100644 board/altera/nios2-generic/gpio.c
>
> diff --git a/board/altera/nios2-generic/Makefile b/board/altera/nios2-generic/Makefile
> index 6780872..d1fca70 100644
> --- a/board/altera/nios2-generic/Makefile
> +++ b/board/altera/nios2-generic/Makefile
> @@ -32,6 +32,7 @@ LIB = $(obj)lib$(BOARD).a
> COBJS-y := $(BOARD).o
> COBJS-$(CONFIG_CMD_IDE) += ../common/cfide.o
> COBJS-$(CONFIG_EPLED) += ../common/epled.o
> +COBJS-$(CONFIG_GPIO) += gpio.o
> COBJS-$(CONFIG_SEVENSEG) += ../common/sevenseg.o

This will build a u-boot image that will not work with any
of the standard configurations ... correct? ... since the
GPIO component is custom (not supplied by the vendor)?

--Scott