> -----Original Message----- > From: Wenbin Song [mailto:wenbin.s...@nxp.com] > Sent: Tuesday, January 19, 2016 2:48 PM > To: york...@freescale.com; Mingkai Hu; Qianyu Gong; Shaohui Xie; Wenbin > Song; u-boot@lists.denx.de > Subject: [PATCH 1/4] armv8/ls1043aqds: added lpuart support > > From: Shaohui Xie <shaohui....@nxp.com> > > Signed-off-by: Shaohui Xie <shaohui....@nxp.com> > Signed-off-by: Mingkai Hu <mingkai...@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. > + */ > + uart = QIXIS_READ(brdcfg[14]); > + uart &= ~CFG_UART_MUX_MASK; > + uart |= CFG_LPUART_EN << CFG_UART_MUX_SHIFT; > + QIXIS_WRITE(brdcfg[14], uart); > +#endif >
Please use the RCW to check which LPUART is enabled. Thanks, Mingkai _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
