[U-Boot] [PATCH v2 1/3] armv8/ls1043aqds: Select lpuart pins of various muxes
Wenbin Song
wenbin.song at nxp.com
Wed Jan 20 13:39:58 CET 2016
Hi: all,
This patch depends on the series patches(http://patchwork.ozlabs.org/patch/567250/).
Regards
Wenbin Song
-----Original Message-----
From: Wenbin Song [mailto:wenbin.song at nxp.com]
Sent: Wednesday, January 20, 2016 8:26 PM
To: yorksun at freescale.com; Mingkai Hu <mingkai.hu at nxp.com>; Qianyu Gong <qianyu.gong at nxp.com>; Shaohui Xie <shaohui.xie at nxp.com>; Wenbin Song <wenbin.song at nxp.com>; u-boot at lists.denx.de; bmeng.cn at gmail.com
Cc: Shaohui Xie <Shaohui.Xie at freescale.com>; Mingkai Hu <Mingkai.Hu at freescale.com>
Subject: [PATCH v2 1/3] armv8/ls1043aqds: Select lpuart pins of various muxes
From: Shaohui Xie <Shaohui.Xie at freescale.com>
Set Board Configuration Register to select the lpuart pins of various muxes.
Signed-off-by: Shaohui Xie <Shaohui.Xie at freescale.com>
Signed-off-by: Mingkai Hu <Mingkai.Hu at freescale.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..4e38cb0 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
+ /*
+ * we use lpuart1 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;
}
--
2.1.0.27.g96db324
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