diff options
| author | Stefan Agner <stefan.agner@toradex.com> | 2017-12-28 15:53:17 +0100 |
|---|---|---|
| committer | Max Krummenacher <max.krummenacher@toradex.com> | 2018-11-29 10:49:35 +0100 |
| commit | d58fa8f3247edc18bdbf716fa9a45bcf5fce9cb8 (patch) | |
| tree | 71f63b552ed913b9c0d40ad8f5c9c9ffc59fd823 | |
| parent | 4bae89e54bfc8ecda93fac50d2112dc9d762b6fd (diff) | |
apalis-imx8: use UART1 as console UART
NXP LPUART1 is used as Apalis UART1, which is the main console
on our Linux BSP.
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
(cherry picked from commit 360629c1fd6187de19d0f50feb85c725995e49cc)
(cherry picked from commit 63030dac6afc51d17b04d23ce41af4788f03717e)
(cherry picked from commit 7bbe1708e0cebf3432c234ea74f8d6fb632a023b)
| -rw-r--r-- | arch/arm/dts/fsl-imx8qm-apalis.dts | 13 | ||||
| -rw-r--r-- | board/toradex/apalis-imx8/apalis-imx8.c | 22 | ||||
| -rw-r--r-- | include/configs/apalis-imx8.h | 2 |
3 files changed, 23 insertions, 14 deletions
diff --git a/arch/arm/dts/fsl-imx8qm-apalis.dts b/arch/arm/dts/fsl-imx8qm-apalis.dts index e0adb4172f..bc9526b112 100644 --- a/arch/arm/dts/fsl-imx8qm-apalis.dts +++ b/arch/arm/dts/fsl-imx8qm-apalis.dts @@ -25,8 +25,8 @@ compatible = "toradex,imx8qm-apalis", "fsl,imx8qm"; chosen { - bootargs = "console=ttyLP0,115200 earlycon=lpuart32,0x5a060000,115200"; - stdout-path = &lpuart0; + bootargs = "console=ttyLP1,115200 earlycon=lpuart32,0x5a070000,115200"; + stdout-path = &lpuart1; }; regulators { @@ -125,6 +125,13 @@ >; }; + pinctrl_lpuart1: lpuart1grp { + fsl,pins = < + SC_P_UART1_RX_DMA_UART1_RX 0x06000020 + SC_P_UART1_TX_DMA_UART1_TX 0x06000020 + >; + }; + pinctrl_usdhc1: usdhc1grp { fsl,pins = < SC_P_EMMC0_CLK_CONN_EMMC0_CLK 0x06000041 @@ -409,6 +416,8 @@ }; &lpuart1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_lpuart1>; status = "okay"; }; diff --git a/board/toradex/apalis-imx8/apalis-imx8.c b/board/toradex/apalis-imx8/apalis-imx8.c index c6dc0d9a03..5cf7b09f69 100644 --- a/board/toradex/apalis-imx8/apalis-imx8.c +++ b/board/toradex/apalis-imx8/apalis-imx8.c @@ -55,14 +55,14 @@ DECLARE_GLOBAL_DATA_PTR; #define UART_PAD_CTRL ((SC_PAD_CONFIG_OUT_IN << PADRING_CONFIG_SHIFT) | (SC_PAD_ISO_OFF << PADRING_LPCONFIG_SHIFT) \ | (SC_PAD_28FDSOI_DSE_DV_HIGH << PADRING_DSE_SHIFT) | (SC_PAD_28FDSOI_PS_PU << PADRING_PULL_SHIFT)) -static iomux_cfg_t uart0_pads[] = { - SC_P_UART0_RX | MUX_PAD_CTRL(UART_PAD_CTRL), - SC_P_UART0_TX | MUX_PAD_CTRL(UART_PAD_CTRL), +static iomux_cfg_t uart1_pads[] = { + SC_P_UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL), + SC_P_UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL), }; static void setup_iomux_uart(void) { - imx8_iomux_setup_multiple_pads(uart0_pads, ARRAY_SIZE(uart0_pads)); + imx8_iomux_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); } int board_early_init_f(void) @@ -72,19 +72,19 @@ int board_early_init_f(void) ipcHndl = gd->arch.ipc_channel_handle; - /* Power up UART0, this is very early while power domain is not working */ - sciErr = sc_pm_set_resource_power_mode(ipcHndl, SC_R_UART_0, SC_PM_PW_MODE_ON); + /* Power up UART1, this is very early while power domain is not working */ + sciErr = sc_pm_set_resource_power_mode(ipcHndl, SC_R_UART_1, SC_PM_PW_MODE_ON); if (sciErr != SC_ERR_NONE) return 0; - /* Set UART0 clock root to 80 MHz */ + /* Set UART1 clock root to 80 MHz */ sc_pm_clock_rate_t rate = 80000000; - sciErr = sc_pm_set_clock_rate(ipcHndl, SC_R_UART_0, 2, &rate); + sciErr = sc_pm_set_clock_rate(ipcHndl, SC_R_UART_1, 2, &rate); if (sciErr != SC_ERR_NONE) return 0; - /* Enable UART0 clock root */ - sciErr = sc_pm_clock_enable(ipcHndl, SC_R_UART_0, 2, true, false); + /* Enable UART1 clock root */ + sciErr = sc_pm_clock_enable(ipcHndl, SC_R_UART_1, 2, true, false); if (sciErr != SC_ERR_NONE) return 0; @@ -420,7 +420,7 @@ int board_init(void) void board_quiesce_devices() { const char *power_on_devices[] = { - "dma_lpuart0", + "dma_lpuart1", }; power_off_pd_devices(power_on_devices, ARRAY_SIZE(power_on_devices)); diff --git a/include/configs/apalis-imx8.h b/include/configs/apalis-imx8.h index 15e0d13f26..b13480befe 100644 --- a/include/configs/apalis-imx8.h +++ b/include/configs/apalis-imx8.h @@ -114,7 +114,7 @@ "script=boot.scr\0" \ "image=Image\0" \ "panel=NULL\0" \ - "console=ttyLP0,115200 earlycon=lpuart32,0x5a060000,115200\0" \ + "console=ttyLP1,115200 earlycon=lpuart32,0x5a070000,115200\0" \ "fdt_addr=0x83000000\0" \ "fdt_high=0xffffffffffffffff\0" \ "boot_fdt=try\0" \ |