-----Original Message----- From: Wenbin Song [mailto:wenbin.song@nxp.com] Sent: Tuesday, January 19, 2016 2:48 PM To: yorksun@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.xie@nxp.com
Signed-off-by: Shaohui Xie shaohui.xie@nxp.com Signed-off-by: Mingkai Hu mingkai.hu@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