diff options
Diffstat (limited to 'arch/arm/mach-s3c/s3c2443.c')
-rw-r--r-- | arch/arm/mach-s3c/s3c2443.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/s3c2443.c b/arch/arm/mach-s3c/s3c2443.c new file mode 100644 index 000000000..05c3c298b --- /dev/null +++ b/arch/arm/mach-s3c/s3c2443.c @@ -0,0 +1,112 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright (c) 2007 Simtec Electronics +// Ben Dooks <ben@simtec.co.uk> +// +// Samsung S3C2443 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/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 "irqs.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 "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 s3c2443_iodesc[] __initdata __maybe_unused = { + IODESC_ENT(WATCHDOG), + IODESC_ENT(CLKPWR), + IODESC_ENT(TIMER), +}; + +struct bus_type s3c2443_subsys = { + .name = "s3c2443-core", + .dev_name = "s3c2443-core", +}; + +static struct device s3c2443_dev = { + .bus = &s3c2443_subsys, +}; + +int __init s3c2443_init(void) +{ + printk("S3C2443: Initialising architecture\n"); + + s3c_nand_setname("s3c2412-nand"); + s3c_fb_setname("s3c2443-fb"); + + s3c_adc_setname("s3c2443-adc"); + s3c_rtc_setname("s3c2443-rtc"); + + /* change WDT IRQ number */ + s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT; + s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT; + + return device_register(&s3c2443_dev); +} + +void __init s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no) +{ + s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); +} + +/* s3c2443_map_io + * + * register the standard cpu IO areas, and any passed in from the + * machine specific initialisation. + */ + +void __init s3c2443_map_io(void) +{ + s3c24xx_gpiocfg_default.set_pull = s3c2443_gpio_setpull; + s3c24xx_gpiocfg_default.get_pull = s3c2443_gpio_getpull; + + /* initialize device information early */ + s3c24xx_spi_setname("s3c2443-spi"); + + iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_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 s3c2443 based system) + * as a driver which may support both 2443 and 2440 may try and use it. +*/ + +static int __init s3c2443_core_init(void) +{ + return subsys_system_register(&s3c2443_subsys, NULL); +} + +core_initcall(s3c2443_core_init); |