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authorNico Huber <nico.h@gmx.de>2016-09-28 22:15:07 +0200
committerMartin Roth <martinroth@google.com>2016-09-30 18:18:01 +0200
commitbc97b4e37d9825194aa1c103ff643627f21fe31a (patch)
treeaeaba5f4eb7e10df163ce83d88ba6e08a115ceab /src/drivers/uart
parent0b9ecb5831bdba869035e70f0773596881a97d27 (diff)
downloadcoreboot-bc97b4e37d9825194aa1c103ff643627f21fe31a.tar.xz
soc/intel/fsp_broadwell_de/uart: Drop it
A copy of our uart8250io driver sneaked in with Broadwell-DE support. The only difference is the lack of initialization (due to FSP handling that). TEST=manually compared resulting object files Change-Id: I09be10b76c76c1306ad2c8db8fb07794dde1b0f2 Signed-off-by: Nico Huber <nico.h@gmx.de> Reviewed-on: https://review.coreboot.org/16786 Tested-by: build bot (Jenkins) Reviewed-by: York Yang <york.yang@intel.com> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Diffstat (limited to 'src/drivers/uart')
-rw-r--r--src/drivers/uart/Kconfig4
-rw-r--r--src/drivers/uart/uart8250io.c10
2 files changed, 10 insertions, 4 deletions
diff --git a/src/drivers/uart/Kconfig b/src/drivers/uart/Kconfig
index 4faa48d9f0..dafdff12de 100644
--- a/src/drivers/uart/Kconfig
+++ b/src/drivers/uart/Kconfig
@@ -9,6 +9,10 @@ config DRIVERS_UART_8250IO
default n if NO_UART_ON_SUPERIO
default y if ARCH_X86
+config DRIVERS_UART_8250IO_SKIP_INIT
+ def_bool n
+ depends on DRIVERS_UART_8250IO
+
# Select this for mainboard without SuperIO serial port.
config NO_UART_ON_SUPERIO
def_bool n
diff --git a/src/drivers/uart/uart8250io.c b/src/drivers/uart/uart8250io.c
index 89c447658a..ac3315a421 100644
--- a/src/drivers/uart/uart8250io.c
+++ b/src/drivers/uart/uart8250io.c
@@ -104,10 +104,12 @@ uintptr_t uart_platform_base(int idx)
void uart_init(int idx)
{
- unsigned int div;
- div = uart_baudrate_divisor(default_baudrate(), uart_platform_refclk(),
- uart_input_clock_divider());
- uart8250_init(uart_platform_base(idx), div);
+ if (!IS_ENABLED(CONFIG_DRIVERS_UART_8250IO_SKIP_INIT)) {
+ unsigned int div;
+ div = uart_baudrate_divisor(default_baudrate(),
+ uart_platform_refclk(), uart_input_clock_divider());
+ uart8250_init(uart_platform_base(idx), div);
+ }
}
void uart_tx_byte(int idx, unsigned char data)