Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[pandora-kernel.git] / arch / arm / mach-sa1100 / collie.c

diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index 1024540..6496eb6 100644 (file)
--- a/arch/arm/mach-sa1100/collie.c
+++ b/arch/arm/mach-sa1100/collie.c
@@ -11,12 +11,12 @@
  * published by the Free Software Foundation.
  *
  * ChangeLog:
- *  03-06-2004 John Lenz <jelenz@wisc.edu>
+ *  2006 Pavel Machek <pavel@suse.cz>
+ *  03-06-2004 John Lenz <lenz@cs.wisc.edu>
  *  06-04-2002 Chris Larson <kergoth@digitalnemesis.net>
  *  04-16-2001 Lineo Japan,Inc. ...
  */
 
-#include <linux/config.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/tty.h>
@@ -83,16 +83,76 @@ static struct scoop_pcmcia_config collie_pcmcia_config = {
 
 
 static struct mcp_plat_data collie_mcp_data = {
-       .mccr0          = MCCR0_ADM,
-       .sclk_rate      = 11981000,
+       .mccr0          = MCCR0_ADM | MCCR0_ExtClk,
+       .sclk_rate      = 9216000,
 };
 
+#ifdef CONFIG_SHARP_LOCOMO
+/*
+ * low-level UART features.
+ */
+struct platform_device collie_locomo_device;
+
+static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
+{
+       if (mctrl & TIOCM_RTS)
+               locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
+       else
+               locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
+
+       if (mctrl & TIOCM_DTR)
+               locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
+       else
+               locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
+}
+
+static u_int collie_uart_get_mctrl(struct uart_port *port)
+{
+       int ret = TIOCM_CD;
+       unsigned int r;
+
+       r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
+       if (r == -ENODEV)
+               return ret;
+       if (r & LOCOMO_GPIO_CTS)
+               ret |= TIOCM_CTS;
+       if (r & LOCOMO_GPIO_DSR)
+               ret |= TIOCM_DSR;
+
+       return ret;
+}
 
 static struct sa1100_port_fns collie_port_fns __initdata = {
        .set_mctrl      = collie_uart_set_mctrl,
        .get_mctrl      = collie_uart_get_mctrl,
 };
 
+static int collie_uart_probe(struct locomo_dev *dev)
+{
+       return 0;
+}
+
+static int collie_uart_remove(struct locomo_dev *dev)
+{
+       return 0;
+}
+
+static struct locomo_driver collie_uart_driver = {
+       .drv = {
+               .name = "collie_uart",
+       },
+       .devid  = LOCOMO_DEVID_UART,
+       .probe  = collie_uart_probe,
+       .remove = collie_uart_remove,
+};
+
+static int __init collie_uart_init(void) {
+       return locomo_driver_register(&collie_uart_driver);
+}
+device_initcall(collie_uart_init);
+
+#endif
+
 
 static struct resource locomo_resources[] = {
        [0] = {
@@ -107,7 +167,7 @@ static struct resource locomo_resources[] = {
        },
 };
 
-static struct platform_device locomo_device = {
+struct platform_device collie_locomo_device = {
        .name           = "locomo",
        .id             = 0,
        .num_resources  = ARRAY_SIZE(locomo_resources),
@@ -115,7 +175,7 @@ static struct platform_device locomo_device = {
 };
 
 static struct platform_device *devices[] __initdata = {
-       &locomo_device,
+       &collie_locomo_device,
        &colliescoop_device,
 };
 
@@ -218,6 +278,12 @@ static void __init collie_map_io(void)
 {
        sa1100_map_io();
        iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
+
+#ifdef CONFIG_SHARP_LOCOMO
+       sa1100_register_uart_fns(&collie_port_fns);
+#endif
+       sa1100_register_uart(0, 3);
+       sa1100_register_uart(1, 1);
 }
 
 MACHINE_START(COLLIE, "Sharp-Collie")