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Diffstat (limited to '')
-rw-r--r-- | arch/arm/mach-s3c/s3c2416.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/s3c2416.c b/arch/arm/mach-s3c/s3c2416.c new file mode 100644 index 000000000..126e6ed29 --- /dev/null +++ b/arch/arm/mach-s3c/s3c2416.c @@ -0,0 +1,132 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>, +// as part of OpenInkpot project +// Copyright (c) 2009 Promwad Innovation Company +// Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com> +// +// Samsung S3C2416 Mobile CPU support + +#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/platform_device.h> +#include <linux/serial_core.h> +#include <linux/device.h> +#include <linux/syscore_ops.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/reboot.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include "map.h" +#include "gpio-samsung.h" +#include <asm/proc-fns.h> +#include <asm/irq.h> +#include <asm/system_misc.h> + +#include "regs-s3c2443-clock.h" +#include "rtc-core-s3c24xx.h" + +#include "gpio-core.h" +#include "gpio-cfg.h" +#include "gpio-cfg-helpers.h" +#include "devs.h" +#include "cpu.h" +#include "sdhci.h" +#include "pm.h" + +#include "iic-core.h" +#include "adc-core.h" + +#include "s3c24xx.h" +#include "fb-core-s3c24xx.h" +#include "nand-core-s3c24xx.h" +#include "spi-core-s3c24xx.h" + +static struct map_desc s3c2416_iodesc[] __initdata __maybe_unused = { + IODESC_ENT(WATCHDOG), + IODESC_ENT(CLKPWR), + IODESC_ENT(TIMER), +}; + +struct bus_type s3c2416_subsys = { + .name = "s3c2416-core", + .dev_name = "s3c2416-core", +}; + +static struct device s3c2416_dev = { + .bus = &s3c2416_subsys, +}; + +int __init s3c2416_init(void) +{ + printk(KERN_INFO "S3C2416: Initializing architecture\n"); + + /* change WDT IRQ number */ + s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT; + s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT; + + /* the i2c devices are directly compatible with s3c2440 */ + s3c_i2c0_setname("s3c2440-i2c"); + s3c_i2c1_setname("s3c2440-i2c"); + + s3c_fb_setname("s3c2443-fb"); + + s3c_adc_setname("s3c2416-adc"); + s3c_rtc_setname("s3c2416-rtc"); + +#ifdef CONFIG_PM_SLEEP + register_syscore_ops(&s3c2416_pm_syscore_ops); + register_syscore_ops(&s3c24xx_irq_syscore_ops); + register_syscore_ops(&s3c2416_irq_syscore_ops); +#endif + + return device_register(&s3c2416_dev); +} + +void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no) +{ + s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); + + s3c_nand_setname("s3c2412-nand"); +} + +/* s3c2416_map_io + * + * register the standard cpu IO areas, and any passed in from the + * machine specific initialisation. + */ + +void __init s3c2416_map_io(void) +{ + s3c24xx_gpiocfg_default.set_pull = samsung_gpio_setpull_updown; + s3c24xx_gpiocfg_default.get_pull = samsung_gpio_getpull_updown; + + /* initialize device information early */ + s3c2416_default_sdhci0(); + s3c2416_default_sdhci1(); + s3c24xx_spi_setname("s3c2443-spi"); + + iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc)); +} + +/* need to register the subsystem before we actually register the device, and + * we also need to ensure that it has been initialised before any of the + * drivers even try to use it (even if not on an s3c2416 based system) + * as a driver which may support both 2443 and 2440 may try and use it. +*/ + +static int __init s3c2416_core_init(void) +{ + return subsys_system_register(&s3c2416_subsys, NULL); +} + +core_initcall(s3c2416_core_init); |