From: Troy Kisky troy.kisky@boundarydevices.com
This allows the Linux kernel to use UART1 before pinmux support is added for UART1
Signed-off-by: Troy Kisky troy.kisky@boundarydevices.com CC: Troy Kisky troy.kisky@boundarydevices.com CC: Jason Liu jason.hui@linaro.org CC: Stefano Babic sbabic@denx.de --- Note: This patch is against the recent head of u-boot-imx.git including the SabreLite support:
5b894e4d00ff94a221f8cc23d54d08b889f54190 i.mx: i.mx6q: add the initial support for i.mx6q Sabre Lite board
Note: tools/checkpatch.pl reports 0 errors, 0 warnings
board/freescale/mx6qsabrelite/mx6qsabrelite.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/board/freescale/mx6qsabrelite/mx6qsabrelite.c b/board/freescale/mx6qsabrelite/mx6qsabrelite.c index 4028789..233e652 100644 --- a/board/freescale/mx6qsabrelite/mx6qsabrelite.c +++ b/board/freescale/mx6qsabrelite/mx6qsabrelite.c @@ -47,6 +47,11 @@ int dram_init(void) return 0; }
+iomux_v3_cfg_t uart1_pads[] = { + MX6Q_PAD_SD3_DAT6__UART1_RXD | MUX_PAD_CTRL(UART_PAD_CTRL), + MX6Q_PAD_SD3_DAT7__UART1_TXD | MUX_PAD_CTRL(UART_PAD_CTRL), +}; + iomux_v3_cfg_t uart2_pads[] = { MX6Q_PAD_EIM_D26__UART2_TXD | MUX_PAD_CTRL(UART_PAD_CTRL), MX6Q_PAD_EIM_D27__UART2_RXD | MUX_PAD_CTRL(UART_PAD_CTRL), @@ -74,6 +79,7 @@ iomux_v3_cfg_t usdhc4_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(uart2_pads, ARRAY_SIZE(uart2_pads)); }