diff options
| author | Kever Yang <kever.yang@rock-chips.com> | 2019-03-29 09:09:04 +0800 |
|---|---|---|
| committer | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2019-05-01 09:40:58 +0200 |
| commit | e83e885e53dd43df64ba54d59c18f98f1d98ef4e (patch) | |
| tree | c8b0704f3ffbef6943b9e5adeba40dddb7b578d9 /arch/arm/mach-rockchip/rk3288 | |
| parent | 070e48b30e9d407ae65894b4bc091d5312748d09 (diff) | |
| download | u-boot-e83e885e53dd43df64ba54d59c18f98f1d98ef4e.tar.gz | |
rockchip: rk3288: add board_debug_uart_init()
Use board_debug_uart_init() for UART iomux init instead of
do it in board_init_f, and move the function to soc file so
that we can find all the soc/board setting in soc file and
use a common board file for all rockchip SoCs later.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Diffstat (limited to 'arch/arm/mach-rockchip/rk3288')
| -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 |