Re: [U-Boot] [PATCH v4 14/20] rockchip: add early uart driver

Hi Lin,

On 9 November 2015 at 00:02, Lin Huang hl@rock-chips.com wrote:

add early uart driver so we can print debug message in SPL stage

Signed-off-by: Lin Huang hl@rock-chips.com

Changes in v1: None Changes in v2: None Changes in v3:

• pass uart base address to rk_uart_init() function

Changes in v4: None

arch/arm/include/asm/arch-rockchip/uart.h | 44 ++++++++++++++++++++++++ arch/arm/mach-rockchip/Makefile | 1 + arch/arm/mach-rockchip/rk_early_print.c | 56 +++++++++++++++++++++++++++++++ 3 files changed, 101 insertions(+) create mode 100644 arch/arm/include/asm/arch-rockchip/uart.h create mode 100644 arch/arm/mach-rockchip/rk_early_print.c

Can you instead use the DEBUG_UART feature? It should already be supported for Rockchip if you enable that option and provide the settings,

Regards, Simon