v4.19.13 snapshot.
diff --git a/include/linux/fs_uart_pd.h b/include/linux/fs_uart_pd.h
new file mode 100644
index 0000000..36b61ff
--- /dev/null
+++ b/include/linux/fs_uart_pd.h
@@ -0,0 +1,71 @@
+/*
+ * Platform information definitions for the CPM Uart driver.
+ *
+ * 2006 (c) MontaVista Software, Inc.
+ * Vitaly Bordug <vbordug@ru.mvista.com>
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#ifndef FS_UART_PD_H
+#define FS_UART_PD_H
+
+#include <asm/types.h>
+
+enum fs_uart_id {
+ fsid_smc1_uart,
+ fsid_smc2_uart,
+ fsid_scc1_uart,
+ fsid_scc2_uart,
+ fsid_scc3_uart,
+ fsid_scc4_uart,
+ fs_uart_nr,
+};
+
+static inline int fs_uart_id_scc2fsid(int id)
+{
+ return fsid_scc1_uart + id - 1;
+}
+
+static inline int fs_uart_id_fsid2scc(int id)
+{
+ return id - fsid_scc1_uart + 1;
+}
+
+static inline int fs_uart_id_smc2fsid(int id)
+{
+ return fsid_smc1_uart + id - 1;
+}
+
+static inline int fs_uart_id_fsid2smc(int id)
+{
+ return id - fsid_smc1_uart + 1;
+}
+
+struct fs_uart_platform_info {
+ void(*init_ioports)(struct fs_uart_platform_info *);
+ /* device specific information */
+ int fs_no; /* controller index */
+ char fs_type[4]; /* controller type */
+ u32 uart_clk;
+ u8 tx_num_fifo;
+ u8 tx_buf_size;
+ u8 rx_num_fifo;
+ u8 rx_buf_size;
+ u8 brg;
+ u8 clk_rx;
+ u8 clk_tx;
+};
+
+static inline int fs_uart_get_id(struct fs_uart_platform_info *fpi)
+{
+ if(strstr(fpi->fs_type, "SMC"))
+ return fs_uart_id_smc2fsid(fpi->fs_no);
+ if(strstr(fpi->fs_type, "SCC"))
+ return fs_uart_id_scc2fsid(fpi->fs_no);
+ return fpi->fs_no;
+}
+
+#endif