Merge master.kernel.org:/home/rmk/linux-2.6-arm

* master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 3490/1: i.MX: move uart resources to board files [ARM] 3488/1: make icedcc_putc do the right thing [ARM] 3487/1: IXP4xx: Support non-PCI systems [ARM] 3486/1: Mark memory as clobbered by the ARM _syscallX() macros
git-mirror · May 4, 2006 · f9cc847 · f9cc847
2 parents 6fc56cc + 5b80234
commit f9cc847
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Showing 12 changed files with 141 additions and 91 deletions.
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
@@ -150,8 +150,6 @@ config ARCH_IOP3XX
 
 config ARCH_IXP4XX
 	bool "IXP4xx-based"
-	select DMABOUNCE
-	select PCI
 	help
 	  Support for Intel's IXP4XX (XScale) family of processors.
 

diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
@@ -38,10 +38,10 @@ static void icedcc_putc(int ch)
 		if (--i < 0)
 			return;
 
-		asm("mrc p14, 0, %0, c0, c0, 0" : "=r" (status));
+		asm volatile ("mrc p14, 0, %0, c0, c0, 0" : "=r" (status));
 	} while (status & 2);
 
-	asm("mcr p15, 0, %0, c1, c0, 0" : : "r" (ch));
+	asm("mcr p14, 0, %0, c1, c0, 0" : : "r" (ch));
 }
 
 #define putc(ch)	icedcc_putc(ch)

diff --git a/arch/arm/mach-imx/generic.c b/arch/arm/mach-imx/generic.c
@@ -195,56 +195,6 @@ void __init imx_set_mmc_info(struct imxmmc_platform_data *info)
 }
 EXPORT_SYMBOL(imx_set_mmc_info);
 
-static struct resource imx_uart1_resources[] = {
-	[0] = {
-		.start	= 0x00206000,
-		.end	= 0x002060FF,
-		.flags	= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start	= (UART1_MINT_RX),
-		.end	= (UART1_MINT_RX),
-		.flags	= IORESOURCE_IRQ,
-	},
-	[2] = {
-		.start	= (UART1_MINT_TX),
-		.end	= (UART1_MINT_TX),
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-static struct platform_device imx_uart1_device = {
-	.name		= "imx-uart",
-	.id		= 0,
-	.num_resources	= ARRAY_SIZE(imx_uart1_resources),
-	.resource	= imx_uart1_resources,
-};
-
-static struct resource imx_uart2_resources[] = {
-	[0] = {
-		.start	= 0x00207000,
-		.end	= 0x002070FF,
-		.flags	= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start	= (UART2_MINT_RX),
-		.end	= (UART2_MINT_RX),
-		.flags	= IORESOURCE_IRQ,
-	},
-	[2] = {
-		.start	= (UART2_MINT_TX),
-		.end	= (UART2_MINT_TX),
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-static struct platform_device imx_uart2_device = {
-	.name		= "imx-uart",
-	.id		= 1,
-	.num_resources	= ARRAY_SIZE(imx_uart2_resources),
-	.resource	= imx_uart2_resources,
-};
-
 static struct imxfb_mach_info imx_fb_info;
 
 void __init set_imx_fb_info(struct imxfb_mach_info *hard_imx_fb_info)
@@ -283,8 +233,6 @@ static struct platform_device imxfb_device = {
 static struct platform_device *devices[] __initdata = {
 	&imx_mmc_device,
 	&imxfb_device,
-	&imx_uart1_device,
-	&imx_uart2_device,
 };
 
 static struct map_desc imx_io_desc[] __initdata = {

diff --git a/arch/arm/mach-imx/mx1ads.c b/arch/arm/mach-imx/mx1ads.c
@@ -26,6 +26,7 @@
 
 #include <asm/mach/arch.h>
 #include <asm/arch/mmc.h>
+#include <asm/arch/imx-uart.h>
 #include <linux/interrupt.h>
 #include "generic.h"
 
@@ -48,8 +49,70 @@ static struct platform_device cs89x0_device = {
 	.resource	= cs89x0_resources,
 };
 
+static struct imxuart_platform_data uart_pdata = {
+	.flags = IMXUART_HAVE_RTSCTS,
+};
+
+static struct resource imx_uart1_resources[] = {
+	[0] = {
+		.start	= 0x00206000,
+		.end	= 0x002060FF,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= (UART1_MINT_RX),
+		.end	= (UART1_MINT_RX),
+		.flags	= IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start	= (UART1_MINT_TX),
+		.end	= (UART1_MINT_TX),
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device imx_uart1_device = {
+	.name		= "imx-uart",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(imx_uart1_resources),
+	.resource	= imx_uart1_resources,
+	.dev = {
+		.platform_data = &uart_pdata,
+	}
+};
+
+static struct resource imx_uart2_resources[] = {
+	[0] = {
+		.start	= 0x00207000,
+		.end	= 0x002070FF,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= (UART2_MINT_RX),
+		.end	= (UART2_MINT_RX),
+		.flags	= IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start	= (UART2_MINT_TX),
+		.end	= (UART2_MINT_TX),
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device imx_uart2_device = {
+	.name		= "imx-uart",
+	.id		= 1,
+	.num_resources	= ARRAY_SIZE(imx_uart2_resources),
+	.resource	= imx_uart2_resources,
+	.dev = {
+		.platform_data = &uart_pdata,
+	}
+};
+
 static struct platform_device *devices[] __initdata = {
 	&cs89x0_device,
+	&imx_uart1_device,
+	&imx_uart2_device,
 };
 
 #ifdef CONFIG_MMC_IMX
@@ -75,6 +138,17 @@ mx1ads_init(void)
 	imx_gpio_mode(GPIO_PORTB | GPIO_GIUS | GPIO_IN | 20);
 	imx_set_mmc_info(&mx1ads_mmc_info);
 #endif
+
+	imx_gpio_mode(PC9_PF_UART1_CTS);
+	imx_gpio_mode(PC10_PF_UART1_RTS);
+	imx_gpio_mode(PC11_PF_UART1_TXD);
+	imx_gpio_mode(PC12_PF_UART1_RXD);
+
+	imx_gpio_mode(PB28_PF_UART2_CTS);
+	imx_gpio_mode(PB29_PF_UART2_RTS);
+	imx_gpio_mode(PB30_PF_UART2_TXD);
+	imx_gpio_mode(PB31_PF_UART2_RXD);
+
 	platform_add_devices(devices, ARRAY_SIZE(devices));
 }
 

diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
@@ -11,41 +11,47 @@ comment "IXP4xx Platforms"
 config MACH_NSLU2
 	bool
 	prompt "Linksys NSLU2"
+	select PCI
 	help
 	  Say 'Y' here if you want your kernel to support Linksys's
 	  NSLU2 NAS device. For more information on this platform,
 	  see http://www.nslu2-linux.org
 
 config ARCH_AVILA
 	bool "Avila"
+	select PCI
 	help
 	  Say 'Y' here if you want your kernel to support the Gateworks
 	  Avila Network Platform. For more information on this platform,
 	  see <file:Documentation/arm/IXP4xx>.
 
 config ARCH_ADI_COYOTE
 	bool "Coyote"
+	select PCI
 	help
 	  Say 'Y' here if you want your kernel to support the ADI 
 	  Engineering Coyote Gateway Reference Platform. For more
 	  information on this platform, see <file:Documentation/arm/IXP4xx>.
 
 config ARCH_IXDP425
 	bool "IXDP425"
+	select PCI
 	help
 	  Say 'Y' here if you want your kernel to support Intel's 
 	  IXDP425 Development Platform (Also known as Richfield).  
 	  For more information on this platform, see <file:Documentation/arm/IXP4xx>.
 
 config MACH_IXDPG425
 	bool "IXDPG425"
+	select PCI
 	help
 	  Say 'Y' here if you want your kernel to support Intel's
 	  IXDPG425 Development Platform (Also known as Montajade).
 	  For more information on this platform, see <file:Documentation/arm/IXP4xx>.
 
 config MACH_IXDP465
 	bool "IXDP465"
+	select PCI
 	help
 	  Say 'Y' here if you want your kernel to support Intel's
 	  IXDP465 Development Platform (Also known as BMP).
@@ -72,6 +78,7 @@ config ARCH_PRPMC1100
 config MACH_NAS100D
 	bool
 	prompt "NAS100D"
+	select PCI
 	help
 	  Say 'Y' here if you want your kernel to support Iomega's
 	  NAS 100d device. For more information on this platform,
@@ -96,6 +103,7 @@ config CPU_IXP46X
 config MACH_GTWX5715
 	bool "Gemtek WX5715 (Linksys WRV54G)"
 	depends on ARCH_IXP4XX
+	select PCI
 	help
 		This board is currently inside the Linksys WRV54G Gateways.
 
@@ -110,11 +118,16 @@ config MACH_GTWX5715
 		"High Speed" UART is n/c (as far as I can tell)
 		20 Pin ARM/Xscale JTAG interface on J2
 
-
 comment "IXP4xx Options"
 
+config DMABOUNCE
+	bool
+	default y
+	depends on PCI
+
 config IXP4XX_INDIRECT_PCI
 	bool "Use indirect PCI memory access"
+	depends on PCI
 	help
           IXP4xx provides two methods of accessing PCI memory space:
 

diff --git a/arch/arm/mach-ixp4xx/Makefile b/arch/arm/mach-ixp4xx/Makefile
@@ -2,8 +2,9 @@
 # Makefile for the linux kernel.
 #
 
-obj-y	+= common.o common-pci.o 
+obj-y	+= common.o
 
+obj-$(CONFIG_PCI)		+= common-pci.o
 obj-$(CONFIG_ARCH_IXDP4XX)	+= ixdp425-pci.o ixdp425-setup.o
 obj-$(CONFIG_MACH_IXDPG425)	+= ixdpg425-pci.o coyote-setup.o
 obj-$(CONFIG_ARCH_ADI_COYOTE)	+= coyote-pci.o coyote-setup.o

diff --git a/drivers/input/touchscreen/corgi_ts.c b/drivers/input/touchscreen/corgi_ts.c
@@ -17,7 +17,7 @@
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/slab.h>
-#include <asm/irq.h>
+//#include <asm/irq.h>
 
 #include <asm/arch/sharpsl.h>
 #include <asm/arch/hardware.h>

diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
@@ -45,6 +45,7 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/hardware.h>
+#include <asm/arch/imx-uart.h>
 
 /* We've been assigned a range on the "Low-density serial ports" major */
 #define SERIAL_IMX_MAJOR	204
@@ -73,7 +74,8 @@ struct imx_port {
 	struct uart_port	port;
 	struct timer_list	timer;
 	unsigned int		old_status;
-	int txirq,rxirq,rtsirq;
+	int			txirq,rxirq,rtsirq;
+	int			have_rtscts:1;
 };
 
 /*
@@ -491,8 +493,12 @@ imx_set_termios(struct uart_port *port, struct termios *termios,
 		ucr2 = UCR2_SRST | UCR2_IRTS;
 
 	if (termios->c_cflag & CRTSCTS) {
-		ucr2 &= ~UCR2_IRTS;
-		ucr2 |= UCR2_CTSC;
+		if( sport->have_rtscts ) {
+			ucr2 &= ~UCR2_IRTS;
+			ucr2 |= UCR2_CTSC;
+		} else {
+			termios->c_cflag &= ~CRTSCTS;
+		}
 	}
 
 	if (termios->c_cflag & CSTOPB)
@@ -719,27 +725,6 @@ static void __init imx_init_ports(void)
 		imx_ports[i].timer.function = imx_timeout;
 		imx_ports[i].timer.data     = (unsigned long)&imx_ports[i];
 	}
-
-	imx_gpio_mode(PC9_PF_UART1_CTS);
-	imx_gpio_mode(PC10_PF_UART1_RTS);
-	imx_gpio_mode(PC11_PF_UART1_TXD);
-	imx_gpio_mode(PC12_PF_UART1_RXD);
-	imx_gpio_mode(PB28_PF_UART2_CTS);
-	imx_gpio_mode(PB29_PF_UART2_RTS);
-
-	imx_gpio_mode(PB30_PF_UART2_TXD);
-	imx_gpio_mode(PB31_PF_UART2_RXD);
-
-#if 0 /* We don't need these, on the mx1 the _modem_ side of the uart
-       * is implemented.
-       */
-	imx_gpio_mode(PD7_AF_UART2_DTR);
-	imx_gpio_mode(PD8_AF_UART2_DCD);
-	imx_gpio_mode(PD9_AF_UART2_RI);
-	imx_gpio_mode(PD10_AF_UART2_DSR);
-#endif
-
-
 }
 
 #ifdef CONFIG_SERIAL_IMX_CONSOLE
@@ -932,7 +917,14 @@ static int serial_imx_resume(struct platform_device *dev)
 
 static int serial_imx_probe(struct platform_device *dev)
 {
+	struct imxuart_platform_data *pdata;
+
 	imx_ports[dev->id].port.dev = &dev->dev;
+
+	pdata = (struct imxuart_platform_data *)dev->dev.platform_data;
+	if(pdata && (pdata->flags & IMXUART_HAVE_RTSCTS))
+		imx_ports[dev->id].have_rtscts = 1;
+
 	uart_add_one_port(&imx_reg, &imx_ports[dev->id].port);
 	platform_set_drvdata(dev, &imx_ports[dev->id]);
 	return 0;

diff --git a/include/asm-arm/arch-imx/imx-uart.h b/include/asm-arm/arch-imx/imx-uart.h
@@ -0,0 +1,10 @@
+#ifndef ASMARM_ARCH_UART_H
+#define ASMARM_ARCH_UART_H
+
+#define IMXUART_HAVE_RTSCTS (1<<0)
+
+struct imxuart_platform_data {
+	unsigned int flags;
+};
+
+#endif
diff --git a/include/asm-arm/arch-ixp4xx/io.h b/include/asm-arm/arch-ixp4xx/io.h
@@ -260,6 +260,12 @@ check_signature(const unsigned char __iomem *bus_addr, const unsigned char *sign
 
 #endif
 
+#ifndef CONFIG_PCI
+
+#define	__io(v)		v
+
+#else
+
 /*
  * IXP4xx does not have a transparent cpu -> PCI I/O translation
  * window.  Instead, it has a set of registers that must be tweaked
@@ -578,6 +584,7 @@ __ixp4xx_iowrite32_rep(void __iomem *addr, const void *vaddr, u32 count)
 
 #define	ioport_map(port, nr)		((void __iomem*)(port + PIO_OFFSET))
 #define	ioport_unmap(addr)
+#endif	// !CONFIG_PCI
 
 #endif	//  __ASM_ARM_ARCH_IO_H