arm: apple: Disable debug UART

The address of the debug UART varies differs between the M1 and
the M1 Pro/Max SoCs.  So we have to disable it to make a single
U-Boot binary that works on all SoC generations.  Leave the
settings for the base address and clock rate of the M1 in place
to make it easier to re-enable the debug UART when needed.

Signed-off-by: Mark Kettenis <kettenis@openbsd.org>

diff --git a/configs/apple_m1_defconfig b/configs/apple_m1_defconfig
index 760bd81..9254e24 100644 (file)
--- a/configs/apple_m1_defconfig
+++ b/configs/apple_m1_defconfig
@@ -3,7 +3,6 @@ CONFIG_ARCH_APPLE=y
 CONFIG_DEFAULT_DEVICE_TREE="t8103-j274"
 CONFIG_DEBUG_UART_BASE=0x235200000
 CONFIG_DEBUG_UART_CLOCK=24000000
-CONFIG_DEBUG_UART=y
 CONFIG_SYS_LOAD_ADDR=0x880000000
 CONFIG_USE_PREBOOT=y
 # CONFIG_DISPLAY_CPUINFO is not set