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128 lines
2.9 KiB
128 lines
2.9 KiB
// SPDX-License-Identifier: GPL-2.0 |
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// |
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// Copyright (c) 2004-2006 Simtec Electronics |
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// Ben Dooks <[email protected]> |
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// |
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// Samsung S3C2440 and S3C2442 Mobile CPU support (not S3C2443) |
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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/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/reboot.h> |
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#include <linux/device.h> |
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#include <linux/syscore_ops.h> |
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#include <linux/clk.h> |
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#include <linux/io.h> |
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#include <asm/system_misc.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 "map.h" |
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#include <asm/irq.h> |
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#include "regs-clock.h" |
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#include "regs-gpio.h" |
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#include "devs.h" |
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#include "cpu.h" |
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#include "pm.h" |
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#include "s3c24xx.h" |
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#include "nand-core-s3c24xx.h" |
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#include "regs-dsc-s3c24xx.h" |
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static struct map_desc s3c244x_iodesc[] __initdata __maybe_unused = { |
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IODESC_ENT(CLKPWR), |
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IODESC_ENT(TIMER), |
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IODESC_ENT(WATCHDOG), |
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}; |
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/* uart initialisation */ |
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void __init s3c244x_init_uarts(struct s3c2410_uartcfg *cfg, int no) |
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{ |
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s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); |
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} |
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void __init s3c244x_map_io(void) |
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{ |
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/* register our io-tables */ |
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iotable_init(s3c244x_iodesc, ARRAY_SIZE(s3c244x_iodesc)); |
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/* rename any peripherals used differing from the s3c2410 */ |
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s3c_device_sdi.name = "s3c2440-sdi"; |
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s3c_device_i2c0.name = "s3c2440-i2c"; |
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s3c_nand_setname("s3c2440-nand"); |
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s3c_device_ts.name = "s3c2440-ts"; |
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s3c_device_usbgadget.name = "s3c2440-usbgadget"; |
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s3c2410_device_dclk.name = "s3c2440-dclk"; |
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} |
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/* Since the S3C2442 and S3C2440 share items, put both subsystems here */ |
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struct bus_type s3c2440_subsys = { |
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.name = "s3c2440-core", |
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.dev_name = "s3c2440-core", |
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}; |
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struct bus_type s3c2442_subsys = { |
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.name = "s3c2442-core", |
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.dev_name = "s3c2442-core", |
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}; |
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/* need to register the subsystem before we actually register the device, and |
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* we also need to ensure that it has been initialised before any of the |
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* drivers even try to use it (even if not on an s3c2440 based system) |
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* as a driver which may support both 2410 and 2440 may try and use it. |
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*/ |
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static int __init s3c2440_core_init(void) |
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{ |
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return subsys_system_register(&s3c2440_subsys, NULL); |
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} |
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core_initcall(s3c2440_core_init); |
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static int __init s3c2442_core_init(void) |
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{ |
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return subsys_system_register(&s3c2442_subsys, NULL); |
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} |
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core_initcall(s3c2442_core_init); |
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#ifdef CONFIG_PM_SLEEP |
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static struct sleep_save s3c244x_sleep[] = { |
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SAVE_ITEM(S3C2440_DSC0), |
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SAVE_ITEM(S3C2440_DSC1), |
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SAVE_ITEM(S3C2440_GPJDAT), |
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SAVE_ITEM(S3C2440_GPJCON), |
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SAVE_ITEM(S3C2440_GPJUP) |
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}; |
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static int s3c244x_suspend(void) |
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{ |
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s3c_pm_do_save(s3c244x_sleep, ARRAY_SIZE(s3c244x_sleep)); |
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return 0; |
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} |
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static void s3c244x_resume(void) |
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{ |
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s3c_pm_do_restore(s3c244x_sleep, ARRAY_SIZE(s3c244x_sleep)); |
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} |
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struct syscore_ops s3c244x_pm_syscore_ops = { |
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.suspend = s3c244x_suspend, |
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.resume = s3c244x_resume, |
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}; |
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#endif
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