Add compatibility string for the Ingenic JZ4780 SoC, the necessary
UART enable bit into FCR and register shift. Neither are encoded
in the DTS coming from Linux, so we need to support it this way.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Tom Rini <trini@konsulko.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
#if CONFIG_IS_ENABLED(OF_CONTROL)
enum {
PORT_NS16550 = 0,
#if CONFIG_IS_ENABLED(OF_CONTROL)
enum {
PORT_NS16550 = 0,
int ns16550_serial_ofdata_to_platdata(struct udevice *dev)
{
struct ns16550_platdata *plat = dev->platdata;
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;
fdt_addr_t addr;
struct clk clk;
int err;
}
plat->fcr = UART_FCRVAL;
}
plat->fcr = UART_FCRVAL;
+ if (port_type == PORT_JZ4780)
+ plat->fcr |= UART_FCR_UME;
static const struct udevice_id ns16550_serial_ids[] = {
{ .compatible = "ns16550", .data = PORT_NS16550 },
{ .compatible = "ns16550a", .data = PORT_NS16550 },
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 },
{ .compatible = "nvidia,tegra20-uart", .data = PORT_NS16550 },
{ .compatible = "snps,dw-apb-uart", .data = PORT_NS16550 },
{ .compatible = "ti,omap2-uart", .data = PORT_NS16550 },
#define UART_FCR_RXSR 0x02 /* Receiver soft reset */
#define UART_FCR_TXSR 0x04 /* Transmitter soft reset */
#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
*/
/*
* These are the definitions for the Modem Control Register
*/