Hi: all,

This patch depends on the series 
patches(http://patchwork.ozlabs.org/patch/567250/).


Regards

Wenbin Song



-----Original Message-----
From: Wenbin Song [mailto:[email protected]] 
Sent: Wednesday, January 20, 2016 8:26 PM
To: [email protected]; Mingkai Hu <[email protected]>; Qianyu Gong 
<[email protected]>; Shaohui Xie <[email protected]>; Wenbin Song 
<[email protected]>; [email protected]; [email protected]
Cc: Shaohui Xie <[email protected]>; Mingkai Hu 
<[email protected]>
Subject: [PATCH v2 1/3] armv8/ls1043aqds: Select lpuart pins of various muxes

From: Shaohui Xie <[email protected]>

Set Board Configuration Register to select the lpuart pins of various muxes.

Signed-off-by: Shaohui Xie <[email protected]>
Signed-off-by: Mingkai Hu <[email protected]>
---
 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

_______________________________________________
U-Boot mailing list
[email protected]
http://lists.denx.de/mailman/listinfo/u-boot

Reply via email to