If CONFIG_SPL_SERIAL_SUPPORT is not defined in include/configs/exynos5-common.h the following error is produced during the build of the SPL:
arch/arm/mach-exynos/built-in.o: In function `do_lowlevel_init': ...u-boot/arch/arm/mach-exynos/lowlevel_init.c:221: undefined reference to `debug_uart_init'
Add additional condition to check if SPL build is in progress and in that case check if CONFIG_SPL_SERIAL_SUPPORT is also set before enabling the debug UART.
Signed-off-by: Marek Vasut marex@denx.de Cc: Simon Glass sjg@chromium.org Cc: Tom Rini trini@konsulko.com --- arch/arm/mach-exynos/lowlevel_init.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/arm/mach-exynos/lowlevel_init.c b/arch/arm/mach-exynos/lowlevel_init.c index 6c39cb2..1e090fd 100644 --- a/arch/arm/mach-exynos/lowlevel_init.c +++ b/arch/arm/mach-exynos/lowlevel_init.c @@ -216,9 +216,12 @@ int do_lowlevel_init(void) if (actions & DO_CLOCKS) { system_clock_init(); #ifdef CONFIG_DEBUG_UART +#if (defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_SERIAL_SUPPORT)) || \ + !defined(CONFIG_SPL_BUILD) exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE); debug_uart_init(); #endif +#endif mem_ctrl_init(actions & DO_MEM_RESET); tzpc_init(); }