diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2016-02-25 07:38:35 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2016-02-26 07:54:15 +0100 |
| commit | 246266c205b6608d785bdc2de1d71309f3c0e70c (patch) | |
| tree | 745596ee1f13c606a87d24cd05eb43416c1fd5e8 /drivers/serial | |
| parent | 68a5d9c0ebedebf1e64b735ad124922c825e91ab (diff) | |
| download | barebox-246266c205b6608d785bdc2de1d71309f3c0e70c.tar.gz barebox-246266c205b6608d785bdc2de1d71309f3c0e70c.tar.xz | |
serial: imx: Support DTE mode
Based on Kernel commit 20ff2fe60a: serial: imx: add support for DTE mode
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/serial_imx.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/serial/serial_imx.c b/drivers/serial/serial_imx.c index 68b438b0bb..563813a4b6 100644 --- a/drivers/serial/serial_imx.c +++ b/drivers/serial/serial_imx.c @@ -55,6 +55,7 @@ static struct imx_serial_devtype_data imx21_data = { struct imx_serial_priv { struct console_device cdev; int baudrate; + int dte_mode; struct notifier_block notify; void __iomem *regs; struct clk *clk; @@ -93,9 +94,12 @@ static int imx_serial_init_port(struct console_device *cdev) writel(0, regs + UBMR); writel(0, regs + priv->devtype->uts); - /* Configure FIFOs */ - writel(0xa81, regs + UFCR); + val = 0xa81; + if (priv->dte_mode) + val |= UFCR_DCEDTE; + + writel(val, regs + UFCR); if (priv->devtype->onems) @@ -240,6 +244,9 @@ static int imx_serial_probe(struct device_d *dev) } } + if (of_property_read_bool(dev->device_node, "fsl,dte-mode")) + priv->dte_mode = 1; + imx_serial_init_port(cdev); /* Enable UART */ |