diff options
Diffstat (limited to 'arch/arm/mach-s3c/mach-nexcoder.c')
| -rw-r--r-- | arch/arm/mach-s3c/mach-nexcoder.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/mach-nexcoder.c b/arch/arm/mach-s3c/mach-nexcoder.c new file mode 100644 index 000000000..d17a3fcb7 --- /dev/null +++ b/arch/arm/mach-s3c/mach-nexcoder.c @@ -0,0 +1,162 @@ +// SPDX-License-Identifier: GPL-2.0 +// linux/arch/arm/mach-s3c2440/mach-nexcoder.c +// +// Copyright (c) 2004 Nex Vision +// Guillaume GOURAT <guillaume.gourat@nexvision.tv> +// +// 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/gpio.h> +#include <linux/string.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/platform_device.h> +#include <linux/io.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/irq.h> +#include <asm/mach-types.h> + +//#include <asm/debug-ll.h> +#include "regs-gpio.h" +#include "gpio-samsung.h" +#include <linux/platform_data/i2c-s3c2410.h> + +#include "gpio-cfg.h" +#include "devs.h" +#include "cpu.h" + +#include "s3c24xx.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[] __initdata = { + [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] = DEFINE_RES_MEM(S3C2410_CS0, SZ_8M), +}; + +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_ohci, + &s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_iis, + &s3c_device_rtc, + &s3c_device_camif, + &s3c_device_spi0, + &s3c_device_spi1, + &nexcoder_device_nor, +}; + +static void __init nexcoder_sensorboard_init(void) +{ + /* Initialize SCCB bus */ + gpio_request_one(S3C2410_GPE(14), GPIOF_OUT_INIT_HIGH, NULL); + gpio_free(S3C2410_GPE(14)); /* IICSCL */ + gpio_request_one(S3C2410_GPE(15), GPIOF_OUT_INIT_HIGH, NULL); + gpio_free(S3C2410_GPE(15)); /* IICSDA */ + + /* Power up the sensor board */ + gpio_request_one(S3C2410_GPF(1), GPIOF_OUT_INIT_HIGH, NULL); + gpio_free(S3C2410_GPF(1)); /* CAM_GPIO7 => nLDO_PWRDN */ + gpio_request_one(S3C2410_GPF(2), GPIOF_OUT_INIT_LOW, NULL); + gpio_free(S3C2410_GPF(2)); /* CAM_GPIO6 => CAM_PWRDN */ +} + +static void __init nexcoder_map_io(void) +{ + s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc)); + s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs)); + s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4); + + nexcoder_sensorboard_init(); +} + +static void __init nexcoder_init_time(void) +{ + s3c2440_init_clocks(12000000); + s3c24xx_timer_init(); +} + +static void __init nexcoder_init(void) +{ + s3c_i2c0_set_platdata(NULL); + + /* Configure the I2S pins (GPE0...GPE4) in correct mode */ + s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2), + S3C_GPIO_PULL_NONE); + + platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices)); +}; + +MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440") + /* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */ + .atag_offset = 0x100, + .nr_irqs = NR_IRQS_S3C2440, + .map_io = nexcoder_map_io, + .init_machine = nexcoder_init, + .init_irq = s3c2440_init_irq, + .init_time = nexcoder_init_time, +MACHINE_END |