armv8/ls1043aqds: Select lpuart pins of various muxes
Set Board Configuration Register to select the lpuart pins of various
muxes.
Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: Mingkai Hu <Mingkai.Hu@freescale.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/board/freescale/ls1043aqds/ls1043aqds.c b/board/freescale/ls1043aqds/ls1043aqds.c
index 576fa46..bb14447 100644
--- a/board/freescale/ls1043aqds/ls1043aqds.c
+++ b/board/freescale/ls1043aqds/ls1043aqds.c
@@ -40,6 +40,9 @@
#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 +221,17 @@
int board_early_init_f(void)
{
+#ifdef CONFIG_LPUART
+ u8 uart;
+#endif
fsl_lsch2_early_init_f();
+#ifdef CONFIG_LPUART
+ /* We use lpuart0 as system console */
+ 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;
}