The MV64660 has reg-shift==2 for its otherwise 16550-compatible uarts.
While the bootwrapper copes with this, of_serial.c doesn't. (The udbg
code doesn't either, but I'll fix that later).
Signed-off-by: David Woodhouse <[EMAIL PROTECTED]>
diff --git a/drivers/serial/of_serial.c b/drivers/serial/of_serial.c
index 7ffdaea..0761ff9 100644
--- a/drivers/serial/of_serial.c
+++ b/drivers/serial/of_serial.c
@@ -25,12 +25,13 @@ static int __devinit of_platform_serial_setup(struct
of_device *ofdev,
{
struct resource resource;
struct device_node *np = ofdev->node;
- const unsigned int *clk, *spd;
+ const unsigned int *clk, *spd, *rs;
int ret;
memset(port, 0, sizeof *port);
spd = of_get_property(np, "current-speed", NULL);
clk = of_get_property(np, "clock-frequency", NULL);
+ rs = of_get_property(np, "reg-shift", NULL);
if (!clk) {
dev_warn(&ofdev->dev, "no clock-frequency property set\n");
return -ENODEV;
@@ -48,6 +49,8 @@ static int __devinit of_platform_serial_setup(struct
of_device *ofdev,
port->iotype = UPIO_MEM;
port->type = type;
port->uartclk = *clk;
+ if (rs)
+ port->regshift = *rs;
port->flags = UPF_SHARE_IRQ | UPF_BOOT_AUTOCONF | UPF_IOREMAP
| UPF_FIXED_PORT;
port->dev = &ofdev->dev;
--
dwmw2
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