Kever Yang <kever.y...@rock-chips.com> 于2019年3月29日周五 下午10:54写道:
> evb-rk3368 is using UART2 and PX5 evb is using UART4 > > Signed-off-by: Kever Yang <kever.y...@rock-chips.com> > --- > > arch/arm/mach-rockchip/rk3368/rk3368.c | 40 ++++++++++++++++++++++++++ > 1 file changed, 40 insertions(+) > > Tested-by: Andy Yan <andy....@rock-chips.com> > diff --git a/arch/arm/mach-rockchip/rk3368/rk3368.c > b/arch/arm/mach-rockchip/rk3368/rk3368.c > index 1ed06c5352..f06d27717d 100644 > --- a/arch/arm/mach-rockchip/rk3368/rk3368.c > +++ b/arch/arm/mach-rockchip/rk3368/rk3368.c > @@ -124,6 +124,46 @@ void board_debug_uart_init(void) > GPIO2D0_MASK, GPIO2D0_UART0_SIN); > rk_clrsetreg(&grf->gpio2d_iomux, > GPIO2D1_MASK, GPIO2D1_UART0_SOUT); > +#elif defined(CONFIG_DEBUG_UART_BASE) && (CONFIG_DEBUG_UART_BASE == > 0xff1c0000) > + struct rk3368_pmu_grf * const pmugrf __maybe_unused = > + (struct rk3368_pmu_grf * const)0xff738000; > + > + enum { > + /* UART4 */ > + GPIO0D2_MASK = GENMASK(5, 4), > + GPIO0D2_GPIO = 0, > + GPIO0D2_UART4_SOUT = (3 << 4), > + > + GPIO0D3_MASK = GENMASK(7, 6), > + GPIO0D3_GPIO = 0, > + GPIO0D3_UART4_SIN = (3 << 6), > + }; > + > + /* Enable early UART4 on the PX5 */ > + rk_clrsetreg(&pmugrf->gpio0d_iomux, > + GPIO0D2_MASK | GPIO0D3_MASK, > + GPIO0D2_UART4_SOUT | GPIO0D3_UART4_SIN); > +#elif defined(CONFIG_DEBUG_UART_BASE) && (CONFIG_DEBUG_UART_BASE == > 0xff690000) > + struct rk3368_grf * const grf = > + (struct rk3368_grf * const)0xff770000; > + > + enum { > + GPIO2A6_SHIFT = 12, > + GPIO2A6_MASK = GENMASK(13, 12), > + GPIO2A6_GPIO = 0, > + GPIO2A6_UART2_SIN = (2 << GPIO2A6_SHIFT), > + > + GPIO2A5_SHIFT = 10, > + GPIO2A5_MASK = GENMASK(11, 10), > + GPIO2A5_GPIO = 0, > + GPIO2A5_UART2_SOUT = (2 << GPIO2A5_SHIFT), > + }; > + > + /* Enable early UART2 on the RK3368 */ > + rk_clrsetreg(&grf->gpio2a_iomux, > + GPIO2A6_MASK, GPIO2A6_UART2_SIN); > + rk_clrsetreg(&grf->gpio2a_iomux, > + GPIO2A5_MASK, GPIO2A5_UART2_SOUT); > #endif > } > #endif > -- > 2.20.1 > > _______________________________________________ > U-Boot mailing list > U-Boot@lists.denx.de > https://lists.denx.de/listinfo/u-boot > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot