From fdc2b54cb864210437010ef84934b3d04bb723c6 Mon Sep 17 00:00:00 2001 From: Shaohui Xie Date: Fri, 28 Oct 2016 14:24:02 +0800 Subject: armv8: ls1046aqds: add lpuart support LPUART0 is used by default, and it's using platform clock. Signed-off-by: Shaohui Xie Reviewed-by: York Sun --- board/freescale/ls1046aqds/ls1046aqds.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'board/freescale/ls1046aqds') diff --git a/board/freescale/ls1046aqds/ls1046aqds.c b/board/freescale/ls1046aqds/ls1046aqds.c index 8c18538..552365b 100644 --- a/board/freescale/ls1046aqds/ls1046aqds.c +++ b/board/freescale/ls1046aqds/ls1046aqds.c @@ -120,6 +120,13 @@ unsigned long get_board_ddr_clk(void) return 66666666; } +#ifdef CONFIG_LPUART +u32 get_lpuart_clk(void) +{ + return gd->bus_clk; +} +#endif + int select_i2c_ch_pca9547(u8 ch) { int ret; @@ -157,6 +164,9 @@ int board_early_init_f(void) struct ccsr_scfg *scfg = (struct ccsr_scfg *)CONFIG_SYS_FSL_SCFG_ADDR; u32 usb_pwrfault; #endif +#ifdef CONFIG_LPUART + u8 uart; +#endif #ifdef CONFIG_SYS_I2C_EARLY_INIT i2c_early_init_f(); @@ -175,6 +185,14 @@ int board_early_init_f(void) out_be32(&scfg->usbpwrfault_selcr, usb_pwrfault); #endif +#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 v1.1