soc/amd/picasso: move UART console code to common folder

Change-Id: Ibc9a4c05bdfc7cd3cd0eada67563386c95d2b50e
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48515
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>

2 files changed, 34 insertions, 0 deletions

diff --git a/src/soc/amd/common/block/uart/Makefile.inc b/src/soc/amd/common/block/uart/Makefile.inc
new file mode 100644
index 0000000000..9d968455dd
--- /dev/null
+++ b/src/soc/amd/common/block/uart/Makefile.inc
@@ -0,0 +1,15 @@
+ifeq ($(CONFIG_SOC_AMD_COMMON_BLOCK_UART),y)
+
+bootblock-$(CONFIG_AMD_SOC_CONSOLE_UART) += uart_console.c
+
+romstage-$(CONFIG_AMD_SOC_CONSOLE_UART) += uart_console.c
+
+verstage_x86-$(CONFIG_AMD_SOC_CONSOLE_UART) += uart_console.c
+
+ramstage-$(CONFIG_AMD_SOC_CONSOLE_UART) += uart_console.c
+
+ifeq ($(CONFIG_DEBUG_SMI),y)
+smm-$(CONFIG_AMD_SOC_CONSOLE_UART) += uart_console.c
+endif
+
+endif # CONFIG_SOC_AMD_COMMON_BLOCK_UART
diff --git a/src/soc/amd/common/block/uart/uart_console.c b/src/soc/amd/common/block/uart/uart_console.c
new file mode 100644
index 0000000000..c1c17232fb
--- /dev/null
+++ b/src/soc/amd/common/block/uart/uart_console.c
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <console/uart.h>
+#include <soc/uart.h>
+
+/*
+ * uart_platform_base and uart_platform_refclk are used by the console UART driver and need to
+ * be provided exactly once and only by the UART that is used for console.
+ */
+
+uintptr_t uart_platform_base(unsigned int idx)
+{
+	return get_uart_base(idx);
+}
+
+unsigned int uart_platform_refclk(void)
+{
+	return CONFIG(AMD_SOC_UART_48MZ) ? 48000000 : 115200 * 16;
+}