diff options
Diffstat (limited to 'arch/arm/mach-rockchip/rk322x-board.c')
| -rw-r--r-- | arch/arm/mach-rockchip/rk322x-board.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-rockchip/rk322x-board.c b/arch/arm/mach-rockchip/rk322x-board.c index e71847de87..8642a90335 100644 --- a/arch/arm/mach-rockchip/rk322x-board.c +++ b/arch/arm/mach-rockchip/rk322x-board.c @@ -34,6 +34,24 @@ int board_init(void) /* Enable early UART2 channel 1 on the RK322x */ #define GRF_BASE 0x11000000 struct rk322x_grf * const grf = (void *)GRF_BASE; + enum { + GPIO1B2_SHIFT = 4, + GPIO1B2_MASK = 3 << GPIO1B2_SHIFT, + GPIO1B2_GPIO = 0, + GPIO1B2_UART21_SIN, + + GPIO1B1_SHIFT = 2, + GPIO1B1_MASK = 3 << GPIO1B1_SHIFT, + GPIO1B1_GPIO = 0, + GPIO1B1_UART1_SOUT, + GPIO1B1_UART21_SOUT, + }; + enum { + CON_IOMUX_UART2SEL_SHIFT= 8, + CON_IOMUX_UART2SEL_MASK = 1 << CON_IOMUX_UART2SEL_SHIFT, + CON_IOMUX_UART2SEL_2 = 0, + CON_IOMUX_UART2SEL_21, + }; rk_clrsetreg(&grf->gpio1b_iomux, GPIO1B1_MASK | GPIO1B2_MASK, |