Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight

[linux-2.6-omap-h63xx.git] / arch / arm / mach-sa1100 / collie.c

diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index 10245408247446818755c7256cdcc9fe54531533..2f772a3965c4f47aaa67494cf604a44e9c33a9cf 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,
 };
 
@@ -165,26 +225,28 @@ static void __init collie_init(void)
        int ret = 0;
 
        /* cpu initialize */
-       GAFR = ( GPIO_SSP_TXD | \
-                GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK | GPIO_TIC_ACK | \
-                GPIO_32_768kHz );
+       GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK |
+               GPIO_MCP_CLK | GPIO_32_768kHz;
+
+       GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
+               GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
+               GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
+               COLLIE_GPIO_UCB1x00_RESET | COLLIE_GPIO_nMIC_ON |
+               COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
 
-       GPDR = ( GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 | \
-                GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD | \
-                GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK | \
-                GPIO_SDLC_AAF | GPIO_UART_SCLK1 | GPIO_32_768kHz );
-       GPLR = GPIO_GPIO18;
+       PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
+               PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
+               PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;
 
-       // PPC pin setting
-       PPDR = ( PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 | \
-                PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS | \
-                PPC_TXD1 | PPC_TXD2 | PPC_RXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM );
+       PWER = COLLIE_GPIO_AC_IN | COLLIE_GPIO_CO | COLLIE_GPIO_ON_KEY |
+               COLLIE_GPIO_WAKEUP | COLLIE_GPIO_nREMOCON_INT | PWER_RTC;
 
-       PSDR = ( PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4 );
+       PGSR = COLLIE_GPIO_nREMOCON_ON;
+
+       PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
+
+       PCFR = PCFR_OPDE;
 
-       GAFR |= GPIO_32_768kHz;
-       GPDR |= GPIO_32_768kHz;
-       TUCR  = TUCR_32_768kHz;
 
        platform_scoop_config = &collie_pcmcia_config;
 
@@ -218,6 +280,12 @@ 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")