[SERIAL] AMD Alchemy UART: claim memory range

I've noticed that the 8250/Au1x00 driver (drivers/serial/8250_au1x00.c)
doesn't claim UART memory ranges and uses wrong (KSEG1-based) UART
addresses instead of the physical ones.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

2 files changed, 8 insertions, 3 deletions

diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 674b15c78f68..d641ac4e976e 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -1906,6 +1906,9 @@ static int serial8250_request_std_resource(struct uart_8250_port *up)
         int ret = 0;
 
         switch (up->port.iotype) {
+        case UPIO_AU:
+                size = 0x100000;
+                /* fall thru */
         case UPIO_MEM:
                 if (!up->port.mapbase)
                         break;
@@ -1938,6 +1941,9 @@ static void serial8250_release_std_resource(struct uart_8250_port *up)
         unsigned int size = 8 << up->port.regshift;
 
         switch (up->port.iotype) {
+        case UPIO_AU:
+                size = 0x100000;
+                /* fall thru */
         case UPIO_MEM:
                 if (!up->port.mapbase)
                         break;
diff --git a/drivers/serial/8250_au1x00.c b/drivers/serial/8250_au1x00.c
index 3d1bfd07208d..58015fd14be9 100644
--- a/drivers/serial/8250_au1x00.c
+++ b/drivers/serial/8250_au1x00.c
@@ -30,13 +30,12 @@
         {                                               \
                 .iobase         = _base,                \
                 .membase        = (void __iomem *)_base,\
-                .mapbase        = _base,                \
+                .mapbase        = CPHYSADDR(_base),     \
                 .irq            = _irq,                 \
                 .uartclk        = 0,    /* filled */    \
                 .regshift       = 2,                    \
                 .iotype         = UPIO_AU,              \
-                .flags          = UPF_SKIP_TEST |       \
-                                  UPF_IOREMAP,          \
+                .flags          = UPF_SKIP_TEST         \
         }
 
 static struct plat_serial8250_port au1x00_data[] = {