diff options
Diffstat (limited to 'arch/arm/mach-rockchip/rk322x-board-spl.c')
| -rw-r--r-- | arch/arm/mach-rockchip/rk322x-board-spl.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/arch/arm/mach-rockchip/rk322x-board-spl.c b/arch/arm/mach-rockchip/rk322x-board-spl.c index 35f4f978c4..206abfafcd 100644 --- a/arch/arm/mach-rockchip/rk322x-board-spl.c +++ b/arch/arm/mach-rockchip/rk322x-board-spl.c @@ -30,7 +30,27 @@ DECLARE_GLOBAL_DATA_PTR; void board_debug_uart_init(void) { -static struct rk322x_grf * const grf = (void *)GRF_BASE; + static struct rk322x_grf * const grf = (void *)GRF_BASE; + enum { + GPIO1B2_SHIFT = 4, + GPIO1B2_MASK = 3 << GPIO1B2_SHIFT, + GPIO1B2_GPIO = 0, + GPIO1B2_UART1_SIN, + 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, + }; + /* Enable early UART2 channel 1 on the RK322x */ rk_clrsetreg(&grf->gpio1b_iomux, GPIO1B1_MASK | GPIO1B2_MASK, |