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Diffstat (limited to 'src/soc/amd/genoa_poc/uart.c')
-rw-r--r--src/soc/amd/genoa_poc/uart.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/src/soc/amd/genoa_poc/uart.c b/src/soc/amd/genoa_poc/uart.c
new file mode 100644
index 000000000000..df8c54f70017
--- /dev/null
+++ b/src/soc/amd/genoa_poc/uart.c
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <device/mmio.h>
+#include <amdblocks/gpio.h>
+#include <amdblocks/uart.h>
+#include <commonlib/helpers.h>
+#include <soc/aoac_defs.h>
+#include <soc/gpio.h>
+#include <soc/iomap.h>
+#include <soc/southbridge.h>
+#include <soc/uart.h>
+#include <types.h>
+
+static const struct soc_uart_ctrlr_info uart_info[] = {
+ [0] = { APU_UART0_BASE, FCH_AOAC_DEV_UART0, "FUR0", {
+ PAD_NF(GPIO_136, UART0_RXD, PULL_NONE),
+ PAD_NF(GPIO_138, UART0_TXD, PULL_NONE),
+ } },
+ [1] = { APU_UART1_BASE, FCH_AOAC_DEV_UART1, "FUR1", {
+ PAD_NF(GPIO_141, UART1_RXD, PULL_NONE),
+ PAD_NF(GPIO_142, UART1_TXD, PULL_NONE),
+ } },
+ [2] = { APU_UART2_BASE, FCH_AOAC_DEV_UART2, "FUR2", {
+ PAD_NF(GPIO_137, UART2_RXD, PULL_NONE),
+ PAD_NF(GPIO_135, UART2_TXD, PULL_NONE),
+ } },
+};
+
+const struct soc_uart_ctrlr_info *soc_get_uart_ctrlr_info(size_t *num_ctrlrs)
+{
+ *num_ctrlrs = ARRAY_SIZE(uart_info);
+ return uart_info;
+}
+
+void clear_uart_legacy_config(void)
+{
+ write16((void *)FCH_LEGACY_UART_DECODE, 0);
+}