[U-Boot] [PATCH 1/4] armv8/ls1043aqds: added lpuart support

Bin Meng bmeng.cn at gmail.com
Tue Jan 19 09:00:44 CET 2016


Hi Wenbin,

On Tue, Jan 19, 2016 at 2:48 PM, Wenbin Song <wenbin.song at nxp.com> wrote:
> From: Shaohui Xie <shaohui.xie at nxp.com>
>

Please try to add a commit message.

> Signed-off-by: Shaohui Xie <shaohui.xie at nxp.com>
> Signed-off-by: Mingkai Hu <mingkai.hu at nxp.com>
> ---
>  board/freescale/ls1043aqds/ls1043aqds.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
>
> diff --git a/board/freescale/ls1043aqds/ls1043aqds.c b/board/freescale/ls1043aqds/ls1043aqds.c
> index d6696ca..1da3fe1 100644
> --- a/board/freescale/ls1043aqds/ls1043aqds.c
> +++ b/board/freescale/ls1043aqds/ls1043aqds.c
> @@ -40,6 +40,9 @@ enum {
>  #define CFG_SD_MUX3_MUX4       0x1 /* MUX4 */
>  #define CFG_SD_MUX4_SLOT3      0x0 /* SLOT3 TX/RX1 */
>  #define CFG_SD_MUX4_SLOT1      0x1 /* SLOT1 TX/RX3 */
> +#define CFG_UART_MUX_MASK      0x6
> +#define CFG_UART_MUX_SHIFT     1
> +#define CFG_LPUART_EN          0x1
>
>  int checkboard(void)
>  {
> @@ -218,7 +221,19 @@ void board_retimer_init(void)
>
>  int board_early_init_f(void)
>  {
> +#ifdef CONFIG_LPUART
> +       u8 uart;
> +#endif
>         fsl_lsch2_early_init_f();
> +#ifdef CONFIG_LPUART
> +       /*FIXME: need to check which lpuart is enabled in rcw, for now
> +        * we use lpuart1.
> +        */

Please use correct multi-line comment format.

> +       uart = QIXIS_READ(brdcfg[14]);
> +       uart &= ~CFG_UART_MUX_MASK;
> +       uart |= CFG_LPUART_EN << CFG_UART_MUX_SHIFT;
> +       QIXIS_WRITE(brdcfg[14], uart);
> +#endif
>
>         return 0;
>  }
> --

Regards,
Bin


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