diff options
Diffstat (limited to 'arch/arm/mach-rockchip/rk3288/rk3288.c')
| -rw-r--r-- | arch/arm/mach-rockchip/rk3288/rk3288.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/mach-rockchip/rk3288/rk3288.c b/arch/arm/mach-rockchip/rk3288/rk3288.c index 987fae544c..7941ca68a6 100644 --- a/arch/arm/mach-rockchip/rk3288/rk3288.c +++ b/arch/arm/mach-rockchip/rk3288/rk3288.c @@ -18,3 +18,16 @@ int arch_cpu_init(void) return 0; } + +#ifdef CONFIG_DEBUG_UART_BOARD_INIT +void board_debug_uart_init(void) +{ + /* Enable early UART on the RK3288 */ + struct rk3288_grf * const grf = (void *)GRF_BASE; + + rk_clrsetreg(&grf->gpio7ch_iomux, GPIO7C7_MASK << GPIO7C7_SHIFT | + GPIO7C6_MASK << GPIO7C6_SHIFT, + GPIO7C7_UART2DBG_SOUT << GPIO7C7_SHIFT | + GPIO7C6_UART2DBG_SIN << GPIO7C6_SHIFT); +} +#endif |