Hi Fabio,
On 23/04/2015 05:57, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.este...@freescale.com>
>
> Introduce is_hummingboard() function that reads GPIOs that can distinguish
> between Cubox-i and Hummingboard.
>
> Print the board name accordingly.
>
> Signed-off-by: Fabio Estevam <fabio.este...@freescale.com>
> ---
> board/solidrun/mx6cuboxi/mx6cuboxi.c | 41
> +++++++++++++++++++++++++++++++++++-
> 1 file changed, 40 insertions(+), 1 deletion(-)
>
> diff --git a/board/solidrun/mx6cuboxi/mx6cuboxi.c
> b/board/solidrun/mx6cuboxi/mx6cuboxi.c
> index 1f240ae..83410b2 100644
> --- a/board/solidrun/mx6cuboxi/mx6cuboxi.c
> +++ b/board/solidrun/mx6cuboxi/mx6cuboxi.c
> @@ -71,6 +71,12 @@ static iomux_v3_cfg_t const usdhc2_pads[] = {
> IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
> };
>
> +static iomux_v3_cfg_t const hb_cbi_sense[] = {
> + /* These pins are for sensing if it is a CuBox-i or a HummingBoard */
> + IOMUX_PADS(PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(UART_PAD_CTRL)),
> + IOMUX_PADS(PAD_EIM_DA4__GPIO3_IO04 | MUX_PAD_CTRL(UART_PAD_CTRL)),
> +};
> +
> static void setup_iomux_uart(void)
> {
> SETUP_IOMUX_PADS(uart1_pads);
> @@ -167,9 +173,42 @@ int board_init(void)
> return 0;
> }
>
> +static bool is_hummingboard(void)
> +{
> + int val1, val2;
> +
> + SETUP_IOMUX_PADS(hb_cbi_sense);
> +
> + gpio_direction_input(IMX_GPIO_NR(4, 9));
> + gpio_direction_input(IMX_GPIO_NR(3, 4));
> +
> + val1 = gpio_get_value(IMX_GPIO_NR(4, 9));
> + val2 = gpio_get_value(IMX_GPIO_NR(3, 4));
> +
> + /*
> + * Machine selection -
> + * Machine val1, val2
> + * -------------------------
> + * HB rev 3.x x 0
> + * CBi 0 1
> + * HB 1 1
> + */
> +
> + if (val2 == 0)
> + return true;
> + else if (val1 == 0)
> + return false;
> + else
> + return true;
> +}
> +
> int checkboard(void)
> {
> - puts("Board: MX6 Hummingboard\n");
> + if (is_hummingboard())
> + puts("Board: MX6 Hummingboard\n");
> + else
> + puts("Board: MX6 Cubox-i\n");
> +
> return 0;
> }
>
>
Reviewed-by: Stefano Babic <sba...@denx.de>
Best regards,
Stefano Babic
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