From 8c35cc3b7e2ff1d9bf44af5805e8ef5c4536ce81 Mon Sep 17 00:00:00 2001 From: Shaohui Xie Date: Thu, 21 Jan 2016 17:14:53 +0800 Subject: 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 Signed-off-by: Mingkai Hu Reviewed-by: Bin Meng Reviewed-by: York Sun 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 @@ 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 +221,17 @@ 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 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; } -- cgit v0.10.2