summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/serial/ns16550.c5
-rw-r--r--include/ns16550.h3
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index 3130a1d..9b423a5 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -363,6 +363,7 @@ int ns16550_serial_probe(struct udevice *dev)
#if CONFIG_IS_ENABLED(OF_CONTROL)
enum {
PORT_NS16550 = 0,
+ PORT_JZ4780,
};
#endif
@@ -370,6 +371,7 @@ enum {
int ns16550_serial_ofdata_to_platdata(struct udevice *dev)
{
struct ns16550_platdata *plat = dev->platdata;
+ const u32 port_type = dev_get_driver_data(dev);
fdt_addr_t addr;
struct clk clk;
int err;
@@ -439,6 +441,8 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev)
}
plat->fcr = UART_FCRVAL;
+ if (port_type == PORT_JZ4780)
+ plat->fcr |= UART_FCR_UME;
return 0;
}
@@ -461,6 +465,7 @@ const struct dm_serial_ops ns16550_serial_ops = {
static const struct udevice_id ns16550_serial_ids[] = {
{ .compatible = "ns16550", .data = PORT_NS16550 },
{ .compatible = "ns16550a", .data = PORT_NS16550 },
+ { .compatible = "ingenic,jz4780-uart", .data = PORT_JZ4780 },
{ .compatible = "nvidia,tegra20-uart", .data = PORT_NS16550 },
{ .compatible = "snps,dw-apb-uart", .data = PORT_NS16550 },
{ .compatible = "ti,omap2-uart", .data = PORT_NS16550 },
diff --git a/include/ns16550.h b/include/ns16550.h
index 45fd68b..7c97036 100644
--- a/include/ns16550.h
+++ b/include/ns16550.h
@@ -118,6 +118,9 @@ typedef struct NS16550 *NS16550_t;
#define UART_FCR_RXSR 0x02 /* Receiver soft reset */
#define UART_FCR_TXSR 0x04 /* Transmitter soft reset */
+/* Ingenic JZ47xx specific UART-enable bit. */
+#define UART_FCR_UME 0x10
+
/*
* These are the definitions for the Modem Control Register
*/