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a28d618e2e
Convert all machines using these cpus to use the ccf clock driver instead of the legacy Samsung clock implementation. Some of the more esotheric machines will probably need a fixup, as they do strange things to the clkout outputs, that I did not really understand nor have the hardware to check. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
169 lines
4.1 KiB
C
169 lines
4.1 KiB
C
/* linux/arch/arm/mach-s3c2440/mach-nexcoder.c
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*
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* Copyright (c) 2004 Nex Vision
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* Guillaume GOURAT <guillaume.gourat@nexvision.tv>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Modifications:
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* 15-10-2004 GG Created initial version
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* 12-03-2005 BJD Updated for release
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*/
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/list.h>
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#include <linux/timer.h>
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#include <linux/init.h>
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#include <linux/gpio.h>
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#include <linux/string.h>
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#include <linux/serial_core.h>
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#include <linux/serial_s3c.h>
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <linux/mtd/map.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <asm/setup.h>
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#include <mach/hardware.h>
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#include <asm/irq.h>
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#include <asm/mach-types.h>
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//#include <asm/debug-ll.h>
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#include <mach/regs-gpio.h>
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#include <mach/gpio-samsung.h>
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#include <linux/platform_data/i2c-s3c2410.h>
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#include <plat/gpio-cfg.h>
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#include <plat/devs.h>
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#include <plat/cpu.h>
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#include <plat/samsung-time.h>
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#include "common.h"
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static struct map_desc nexcoder_iodesc[] __initdata = {
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/* nothing here yet */
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};
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#define UCON S3C2410_UCON_DEFAULT
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#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
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#define UFCON S3C2410_UFCON_RXTRIG12 | S3C2410_UFCON_FIFOMODE
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static struct s3c2410_uartcfg nexcoder_uartcfgs[] __initdata = {
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[0] = {
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.hwport = 0,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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},
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[1] = {
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.hwport = 1,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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},
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[2] = {
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.hwport = 2,
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.flags = 0,
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.ucon = UCON,
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.ulcon = ULCON,
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.ufcon = UFCON,
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}
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};
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/* NOR Flash on NexVision NexCoder 2440 board */
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static struct resource nexcoder_nor_resource[] = {
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[0] = DEFINE_RES_MEM(S3C2410_CS0, SZ_8M),
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};
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static struct map_info nexcoder_nor_map = {
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.bankwidth = 2,
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};
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static struct platform_device nexcoder_device_nor = {
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.name = "mtd-flash",
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.id = -1,
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.num_resources = ARRAY_SIZE(nexcoder_nor_resource),
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.resource = nexcoder_nor_resource,
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.dev =
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{
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.platform_data = &nexcoder_nor_map,
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}
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};
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/* Standard Nexcoder devices */
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static struct platform_device *nexcoder_devices[] __initdata = {
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&s3c_device_ohci,
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&s3c_device_lcd,
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&s3c_device_wdt,
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&s3c_device_i2c0,
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&s3c_device_iis,
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&s3c_device_rtc,
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&s3c_device_camif,
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&s3c_device_spi0,
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&s3c_device_spi1,
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&nexcoder_device_nor,
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};
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static void __init nexcoder_sensorboard_init(void)
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{
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/* Initialize SCCB bus */
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gpio_request_one(S3C2410_GPE(14), GPIOF_OUT_INIT_HIGH, NULL);
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gpio_free(S3C2410_GPE(14)); /* IICSCL */
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gpio_request_one(S3C2410_GPE(15), GPIOF_OUT_INIT_HIGH, NULL);
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gpio_free(S3C2410_GPE(15)); /* IICSDA */
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/* Power up the sensor board */
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gpio_request_one(S3C2410_GPF(1), GPIOF_OUT_INIT_HIGH, NULL);
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gpio_free(S3C2410_GPF(1)); /* CAM_GPIO7 => nLDO_PWRDN */
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gpio_request_one(S3C2410_GPF(2), GPIOF_OUT_INIT_LOW, NULL);
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gpio_free(S3C2410_GPF(2)); /* CAM_GPIO6 => CAM_PWRDN */
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}
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static void __init nexcoder_map_io(void)
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{
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s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
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s3c24xx_init_uarts(nexcoder_uartcfgs, ARRAY_SIZE(nexcoder_uartcfgs));
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samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
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nexcoder_sensorboard_init();
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}
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static void __init nexcoder_init_time(void)
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{
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/*
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* for whatever reason the nexcoder called s3c24xx_init_clocks(0)
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* meaning a xti value of 0Hz, so this machine will most likely
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* not work out of the box and needs a fixup.
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*/
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s3c2440_init_clocks(0);
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samsung_timer_init();
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}
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static void __init nexcoder_init(void)
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{
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s3c_i2c0_set_platdata(NULL);
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platform_add_devices(nexcoder_devices, ARRAY_SIZE(nexcoder_devices));
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};
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MACHINE_START(NEXCODER_2440, "NexVision - Nexcoder 2440")
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/* Maintainer: Guillaume GOURAT <guillaume.gourat@nexvision.tv> */
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.atag_offset = 0x100,
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.map_io = nexcoder_map_io,
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.init_machine = nexcoder_init,
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.init_irq = s3c2440_init_irq,
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.init_time = nexcoder_init_time,
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.restart = s3c244x_restart,
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MACHINE_END
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