diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-rockchip/rk3399/rk3399.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-rockchip/rk3399/rk3399.c b/arch/arm/mach-rockchip/rk3399/rk3399.c index a7ccd4f3ed..e1f9f8b8ef 100644 --- a/arch/arm/mach-rockchip/rk3399/rk3399.c +++ b/arch/arm/mach-rockchip/rk3399/rk3399.c @@ -80,6 +80,14 @@ void board_debug_uart_init(void) rk_clrsetreg(&grf->gpio2c_iomux, GRF_GPIO2C1_SEL_MASK, GRF_UART0BT_SOUT << GRF_GPIO2C1_SEL_SHIFT); +#elif defined(CONFIG_DEBUG_UART_BASE) && (CONFIG_DEBUG_UART_BASE == 0xff1B0000) + /* Enable early UART3 on the RK3399 */ + rk_clrsetreg(&grf->gpio3b_iomux, + GRF_GPIO3B6_SEL_MASK, + GRF_UART3_SIN << GRF_GPIO3B6_SEL_SHIFT); + rk_clrsetreg(&grf->gpio3b_iomux, + GRF_GPIO3B7_SEL_MASK, + GRF_UART3_SOUT << GRF_GPIO3B7_SEL_SHIFT); #else # ifdef CONFIG_TARGET_CHROMEBOOK_BOB rk_setreg(&grf->io_vsel, 1 << 0); |