Add support to route the serial console on the NXP WaRP7 board to UART6 and the mikroBus.
To use UART6 on the WaRP7 board, I add the following lines to configs/warp7_defconfig:
+CONFIG_MXC_CONSOLE_NUM=6 +CONFIG_SERIAL_MXC_DTE_MODE=y
Signed-off-by: Ryan Harkin ryan.harkin@linaro.org Reviewed-by: Bryan O'Donoghue bryan.odonoghue@linaro.org --- board/warp7/Kconfig | 9 +++++++++ board/warp7/warp7.c | 6 ++++++ include/configs/warp7.h | 8 +++++++- 3 files changed, 22 insertions(+), 1 deletion(-)
diff --git a/board/warp7/Kconfig b/board/warp7/Kconfig index 61c33fb..5fb4824 100644 --- a/board/warp7/Kconfig +++ b/board/warp7/Kconfig @@ -6,4 +6,13 @@ config SYS_BOARD config SYS_CONFIG_NAME default "warp7"
+config MXC_CONSOLE_NUM + int "UART used for the console" + default 1 + help + The UART used for the console, expressed as a 1-based integer. + This is also used to set the console variable passed to the kernel. + Currently, only UART1 and UART6 are supported. Specifying a value + other than 6 will result in using UART1. + endif diff --git a/board/warp7/warp7.c b/board/warp7/warp7.c index d422d63..d345b0e 100644 --- a/board/warp7/warp7.c +++ b/board/warp7/warp7.c @@ -67,6 +67,11 @@ static iomux_v3_cfg_t const uart1_pads[] = { MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), };
+static iomux_v3_cfg_t const uart6_pads[] = { + MX7D_PAD_ECSPI1_MOSI__UART6_DTE_RX | MUX_PAD_CTRL(UART_PAD_CTRL), + MX7D_PAD_ECSPI1_SCLK__UART6_DTE_TX | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + static iomux_v3_cfg_t const usdhc3_pads[] = { MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), @@ -84,6 +89,7 @@ static iomux_v3_cfg_t const usdhc3_pads[] = { static void setup_iomux_uart(void) { imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); + imx_iomux_v3_setup_multiple_pads(uart6_pads, ARRAY_SIZE(uart6_pads)); };
static struct fsl_esdhc_cfg usdhc_cfg[1] = { diff --git a/include/configs/warp7.h b/include/configs/warp7.h index 11f1bc3..271667d 100644 --- a/include/configs/warp7.h +++ b/include/configs/warp7.h @@ -13,7 +13,13 @@
#define PHYS_SDRAM_SIZE SZ_512M
+#if (CONFIG_MXC_CONSOLE_NUM == 6) +#define CONFIG_MXC_UART_BASE UART6_IPS_BASE_ADDR +#define CONSOLE "ttymxc5" +#else #define CONFIG_MXC_UART_BASE UART1_IPS_BASE_ADDR +#define CONSOLE "ttymxc0" +#endif
/* Size of malloc() pool */ #define CONFIG_SYS_MALLOC_LEN (35 * SZ_1M) @@ -31,7 +37,7 @@ CONFIG_DFU_ENV_SETTINGS \ "script=boot.scr\0" \ "image=zImage\0" \ - "console=ttymxc0\0" \ + "console=" CONSOLE "\0" \ "ethact=usb_ether\0" \ "fdt_high=0xffffffff\0" \ "initrd_high=0xffffffff\0" \