[ARM PATCH] 2531/1: S3C2410 - OTOM1.1 and Nexcoder 2440 support

Patch from Ben Dooks

Support for OTOM v1.1 and Nexcoder 2440, from Guillaume Gourat.

Signed-off-by: Guillaume GOURAT
Cleaned up for submission, and brough up-to-date by Ben Dooks

Signed-off-by: Ben Dooks
Signed-off-by: Russell King

arch/arm/configs/s3c2410_defconfig

@@ -91,6 +91,8 @@ CONFIG_ARCH_SMDK2410=y
 CONFIG_ARCH_S3C2440=y
 CONFIG_MACH_VR1000=y
 CONFIG_MACH_RX3715=y
+CONFIG_MACH_OTOM=y
+CONFIG_MACH_NEXCODER_2440=y
 CONFIG_CPU_S3C2410=y
 CONFIG_CPU_S3C2440=y
 

arch/arm/mach-s3c2410/Kconfig

@@ -58,6 +58,18 @@ config MACH_RX3715
 	  See <http://www.handhelds.org/projects/rx3715.html> for more
 	  information on this project
 
+config MACH_OTOM
+ 	bool "NexVision OTOM Board"
+ 	select CPU_S3C2410
+	help
+ 	  Say Y here if you are using the Nex Vision OTOM board
+
+config MACH_NEXCODER_2440
+ 	bool "NexVision NEXCODER 2440 Light Board"
+ 	select CPU_S3C2440
+	help
+ 	  Say Y here if you are using the Nex Vision NEXCODER 2440 Light Board
+
 endmenu
 
 config CPU_S3C2410

arch/arm/mach-s3c2410/Makefile

@@ -32,3 +32,5 @@ obj-$(CONFIG_ARCH_SMDK2410)	+= mach-smdk2410.o
 obj-$(CONFIG_ARCH_S3C2440)	+= mach-smdk2440.o
 obj-$(CONFIG_MACH_VR1000)	+= mach-vr1000.o usb-simtec.o
 obj-$(CONFIG_MACH_RX3715)	+= mach-rx3715.o
+obj-$(CONFIG_MACH_OTOM)		+= mach-otom.o
+obj-$(CONFIG_MACH_NEXCODER_2440) += mach-nexcoder.o

arch/arm/mach-s3c2410/mach-nexcoder.c

+/* linux/arch/arm/mach-s3c2410/mach-nexcoder.c
+ *
+ * Copyright (c) 2004 Nex Vision
+ *   Guillaume GOURAT <guillaume.gourat@nexvision.tv>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Modifications:
+ *     15-10-2004 GG  Created initial version
+ *     12-03-2005 BJD Updated for release
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/string.h>
+#include <linux/device.h>
+
+#include <linux/mtd/map.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/setup.h>
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+
+//#include <asm/debug-ll.h>
+#include <asm/arch/regs-gpio.h>
+#include <asm/arch/regs-serial.h>
+
+#include "s3c2410.h"
+#include "s3c2440.h"
+#include "clock.h"
+#include "devs.h"
+#include "cpu.h"
+
+static struct map_desc nexcoder_iodesc[] __initdata = {
+	/* nothing here yet */
+};
+
+#define UCON S3C2410_UCON_DEFAULT
+#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
+#define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
+
+static struct s3c2410_uartcfg nexcoder_uartcfgs[] = {
+	[0] = {
+		.hwport	     = 0,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	},
+	[1] = {
+		.hwport	     = 1,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	},
+	[2] = {
+		.hwport	     = 2,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	}
+};
+
+/* NOR Flash on NexVision NexCoder 2440 board */
+
+static struct resource nexcoder_nor_resource[] = {
+	[0] = {
+		.start = S3C2410_CS0,
+		.end   = S3C2410_CS0 + (8*1024*1024) - 1,
+		.flags = IORESOURCE_MEM,
+	}
+};
+
+static struct map_info nexcoder_nor_map = {
+	.bankwidth = 2,
+};
+
+static struct platform_device nexcoder_device_nor = {
+	.name		= "mtd-flash",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(nexcoder_nor_resource),
+	.resource	= nexcoder_nor_resource,
+	.dev =
+	{
+		.platform_data = &nexcoder_nor_map,
+	}
+};
+
+/* Standard Nexcoder devices */
+
+static struct platform_device *nexcoder_devices[] __initdata = {
+	&s3c_device_usb,
+	&s3c_device_lcd,
+	&s3c_device_wdt,
+	&s3c_device_i2c,
+	&s3c_device_iis,
+ 	&s3c_device_rtc,
+	&s3c_device_camif,
+	&s3c_device_spi0,
+	&s3c_device_spi1,
+	&nexcoder_device_nor,
+};
+
+static struct s3c24xx_board nexcoder_board __initdata = {
+	.devices       = nexcoder_devices,
+	.devices_count = ARRAY_SIZE(nexcoder_devices),
+};
+
+
+static void __init nexcoder_sensorboard_init(void)
+{
+	// Initialize SCCB bus
+	s3c2410_gpio_setpin(S3C2410_GPE14, 1); // IICSCL
+	s3c2410_gpio_cfgpin(S3C2410_GPE14, S3C2410_GPE14_OUTP);
+	s3c2410_gpio_setpin(S3C2410_GPE15, 1); // IICSDA
+	s3c2410_gpio_cfgpin(S3C2410_GPE15, S3C2410_GPE15_OUTP);
+
+	// Power up the sensor board
+	s3c2410_gpio_setpin(S3C2410_GPF1, 1);
+	s3c2410_gpio_cfgpin(S3C2410_GPF1, S3C2410_GPF1_OUTP); // CAM_GPIO7 => nLDO_PWRDN
+	s3c2410_gpio_setpin(S3C2410_GPF2, 0);
+	s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPF2_OUTP); // CAM_GPIO6 => CAM_PWRDN
+}
+
+void __init nexcoder_map_io(void)
+{
+	s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
+	s3c24xx_init_clocks(0);
+	s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
+	s3c24xx_set_board(&nexcoder_board);
+	nexcoder_sensorboard_init();
+}
+
+
+MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
+     MAINTAINER("Guillaume GOURAT <guillaume.gourat@nexvision.tv>")
+     BOOT_MEM(S3C2410_SDRAM_PA, S3C2410_PA_UART, S3C24XX_VA_UART)
+     BOOT_PARAMS(S3C2410_SDRAM_PA + 0x100)
+	.map_io		= nexcoder_map_io,
+	.init_irq	= s3c24xx_init_irq,
+	.timer		= &s3c24xx_timer,
+MACHINE_END

arch/arm/mach-s3c2410/mach-otom.c

+/* linux/arch/arm/mach-s3c2410/mach-otom.c
+ *
+ * Copyright (c) 2004 Nex Vision
+ *   Guillaume GOURAT <guillaume.gourat@nexvision.fr>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/device.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/arch/otom-map.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+
+#include <asm/arch/regs-serial.h>
+#include <asm/arch/regs-gpio.h>
+
+#include "s3c2410.h"
+#include "clock.h"
+#include "devs.h"
+#include "cpu.h"
+
+static struct map_desc otom11_iodesc[] __initdata = {
+  /* Device area */
+	{ OTOM_VA_CS8900A_BASE,  OTOM_PA_CS8900A_BASE,	   SZ_16M, MT_DEVICE },
+};
+
+#define UCON S3C2410_UCON_DEFAULT
+#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
+#define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
+
+static struct s3c2410_uartcfg otom11_uartcfgs[] = {
+	[0] = {
+		.hwport	     = 0,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	},
+	[1] = {
+		.hwport	     = 1,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	},
+	/* port 2 is not actually used */
+	[2] = {
+		.hwport	     = 2,
+		.flags	     = 0,
+		.ucon	     = UCON,
+		.ulcon	     = ULCON,
+		.ufcon	     = UFCON,
+	}
+};
+
+/* NOR Flash on NexVision OTOM board */
+
+static struct resource otom_nor_resource[] = {
+	[0] = {
+		.start = S3C2410_CS0,
+		.end   = S3C2410_CS0 + (4*1024*1024) - 1,
+		.flags = IORESOURCE_MEM,
+	}
+};
+
+static struct platform_device otom_device_nor = {
+	.name		= "mtd-flash",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(otom_nor_resource),
+	.resource	= otom_nor_resource,
+};
+
+/* Standard OTOM devices */
+
+static struct platform_device *otom11_devices[] __initdata = {
+	&s3c_device_usb,
+	&s3c_device_lcd,
+	&s3c_device_wdt,
+	&s3c_device_i2c,
+	&s3c_device_iis,
+ 	&s3c_device_rtc,
+	&otom_device_nor,
+};
+
+static struct s3c24xx_board otom11_board __initdata = {
+	.devices       = otom11_devices,
+	.devices_count = ARRAY_SIZE(otom11_devices)
+};
+
+
+void __init otom11_map_io(void)
+{
+	s3c24xx_init_io(otom11_iodesc, ARRAY_SIZE(otom11_iodesc));
+	s3c24xx_init_clocks(0);
+	s3c24xx_init_uarts(otom11_uartcfgs, ARRAY_SIZE(otom11_uartcfgs));
+	s3c24xx_set_board(&otom11_board);
+}
+
+
+MACHINE_START(OTOM, "Nex Vision - Otom 1.1")
+     MAINTAINER("Guillaume GOURAT <guillaume.gourat@nexvision.tv>")
+     BOOT_MEM(S3C2410_SDRAM_PA, S3C2410_PA_UART, S3C24XX_VA_UART)
+     BOOT_PARAMS(S3C2410_SDRAM_PA + 0x100)
+	.map_io		= otom11_map_io,
+	.init_irq	= s3c24xx_init_irq,
+	.timer		= &s3c24xx_timer,
+MACHINE_END

include/asm-arm/arch-s3c2410/otom-map.h

+/* linux/include/asm-arm/arch-s3c2410/otom-map.h
+ *
+ * (c) 2005 Guillaume GOURAT / NexVision
+ *          guillaume.gourat@nexvision.fr
+ *
+ * NexVision OTOM board memory map definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/* needs arch/map.h including with this */
+
+/* ok, we've used up to 0x01300000, now we need to find space for the
+ * peripherals that live in the nGCS[x] areas, which are quite numerous
+ * in their space.
+ */
+
+#ifndef __ASM_ARCH_OTOMMAP_H
+#define __ASM_ARCH_OTOMMAP_H
+
+#define OTOM_PA_CS8900A_BASE       (S3C2410_CS3 + 0x01000000)	/* nGCS3 +0x01000000 */
+#define OTOM_VA_CS8900A_BASE       S3C2410_ADDR(0x04000000)		/* 0xF4000000 */
+
+/* physical offset addresses for the peripherals */
+
+#define OTOM_PA_FLASH0_BASE        (S3C2410_CS0)				/* Bank 0 */
+
+#endif /* __ASM_ARCH_OTOMMAP_H */