diff options
Diffstat (limited to 'arch/arm/mach-s3c2410/s3c2410.c')
| -rw-r--r-- | arch/arm/mach-s3c2410/s3c2410.c | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/arch/arm/mach-s3c2410/s3c2410.c b/arch/arm/mach-s3c2410/s3c2410.c deleted file mode 100644 index 061b6bb1a557..000000000000 --- a/arch/arm/mach-s3c2410/s3c2410.c +++ /dev/null @@ -1,206 +0,0 @@ -/* linux/arch/arm/mach-s3c2410/s3c2410.c - * - * Copyright (c) 2003-2005 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * http://www.simtec.co.uk/products/EB2410ITX/ - * - * 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/gpio.h> -#include <linux/clk.h> -#include <linux/device.h> -#include <linux/syscore_ops.h> -#include <linux/serial_core.h> -#include <linux/platform_device.h> -#include <linux/io.h> - -#include <asm/mach/arch.h> -#include <asm/mach/map.h> -#include <asm/mach/irq.h> - -#include <mach/hardware.h> -#include <asm/irq.h> - -#include <plat/cpu-freq.h> - -#include <mach/regs-clock.h> -#include <plat/regs-serial.h> - -#include <plat/s3c2410.h> -#include <plat/cpu.h> -#include <plat/devs.h> -#include <plat/clock.h> -#include <plat/pll.h> -#include <plat/pm.h> -#include <plat/watchdog-reset.h> - -#include <plat/gpio-core.h> -#include <plat/gpio-cfg.h> -#include <plat/gpio-cfg-helpers.h> - -/* Initial IO mappings */ - -static struct map_desc s3c2410_iodesc[] __initdata = { - IODESC_ENT(CLKPWR), - IODESC_ENT(TIMER), - IODESC_ENT(WATCHDOG), -}; - -/* our uart devices */ - -/* uart registration process */ - -void __init s3c2410_init_uarts(struct s3c2410_uartcfg *cfg, int no) -{ - s3c24xx_init_uartdevs("s3c2410-uart", s3c2410_uart_resources, cfg, no); -} - -/* s3c2410_map_io - * - * register the standard cpu IO areas, and any passed in from the - * machine specific initialisation. -*/ - -void __init s3c2410_map_io(void) -{ - s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up; - s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up; - - iotable_init(s3c2410_iodesc, ARRAY_SIZE(s3c2410_iodesc)); -} - -void __init_or_cpufreq s3c2410_setup_clocks(void) -{ - struct clk *xtal_clk; - unsigned long tmp; - unsigned long xtal; - unsigned long fclk; - unsigned long hclk; - unsigned long pclk; - - xtal_clk = clk_get(NULL, "xtal"); - xtal = clk_get_rate(xtal_clk); - clk_put(xtal_clk); - - /* now we've got our machine bits initialised, work out what - * clocks we've got */ - - fclk = s3c24xx_get_pll(__raw_readl(S3C2410_MPLLCON), xtal); - - tmp = __raw_readl(S3C2410_CLKDIVN); - - /* work out clock scalings */ - - hclk = fclk / ((tmp & S3C2410_CLKDIVN_HDIVN) ? 2 : 1); - pclk = hclk / ((tmp & S3C2410_CLKDIVN_PDIVN) ? 2 : 1); - - /* print brieft summary of clocks, etc */ - - printk("S3C2410: core %ld.%03ld MHz, memory %ld.%03ld MHz, peripheral %ld.%03ld MHz\n", - print_mhz(fclk), print_mhz(hclk), print_mhz(pclk)); - - /* initialise the clocks here, to allow other things like the - * console to use them - */ - - s3c24xx_setup_clocks(fclk, hclk, pclk); -} - -/* fake ARMCLK for use with cpufreq, etc. */ - -static struct clk s3c2410_armclk = { - .name = "armclk", - .parent = &clk_f, - .id = -1, -}; - -static struct clk_lookup s3c2410_clk_lookup[] = { - CLKDEV_INIT(NULL, "clk_uart_baud0", &clk_p), - CLKDEV_INIT(NULL, "clk_uart_baud1", &s3c24xx_uclk), -}; - -void __init s3c2410_init_clocks(int xtal) -{ - s3c24xx_register_baseclocks(xtal); - s3c2410_setup_clocks(); - s3c2410_baseclk_add(); - s3c24xx_register_clock(&s3c2410_armclk); - clkdev_add_table(s3c2410_clk_lookup, ARRAY_SIZE(s3c2410_clk_lookup)); -} - -struct bus_type s3c2410_subsys = { - .name = "s3c2410-core", - .dev_name = "s3c2410-core", -}; - -/* Note, we would have liked to name this s3c2410-core, but we cannot - * register two subsystems with the same name. - */ -struct bus_type s3c2410a_subsys = { - .name = "s3c2410a-core", - .dev_name = "s3c2410a-core", -}; - -static struct device s3c2410_dev = { - .bus = &s3c2410_subsys, -}; - -/* 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 s3c2410 based system) - * as a driver which may support both 2410 and 2440 may try and use it. -*/ - -static int __init s3c2410_core_init(void) -{ - return subsys_system_register(&s3c2410_subsys, NULL); -} - -core_initcall(s3c2410_core_init); - -static int __init s3c2410a_core_init(void) -{ - return subsys_system_register(&s3c2410a_subsys, NULL); -} - -core_initcall(s3c2410a_core_init); - -int __init s3c2410_init(void) -{ - printk("S3C2410: Initialising architecture\n"); - -#ifdef CONFIG_PM - register_syscore_ops(&s3c2410_pm_syscore_ops); -#endif - register_syscore_ops(&s3c24xx_irq_syscore_ops); - - return device_register(&s3c2410_dev); -} - -int __init s3c2410a_init(void) -{ - s3c2410_dev.bus = &s3c2410a_subsys; - return s3c2410_init(); -} - -void s3c2410_restart(char mode, const char *cmd) -{ - if (mode == 's') { - soft_restart(0); - } - - arch_wdt_reset(); - - /* we'll take a jump through zero as a poor second */ - soft_restart(0); -} |