diff options
Diffstat (limited to 'kernel/arch/arm/mach-s3c64xx/s3c6400.c')
-rw-r--r-- | kernel/arch/arm/mach-s3c64xx/s3c6400.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-s3c64xx/s3c6400.c b/kernel/arch/arm/mach-s3c64xx/s3c6400.c new file mode 100644 index 000000000..1ce48c54c --- /dev/null +++ b/kernel/arch/arm/mach-s3c64xx/s3c6400.c @@ -0,0 +1,97 @@ +/* linux/arch/arm/mach-s3c64xx/cpu.c + * + * Copyright 2009 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * 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. +*/ + +/* + * NOTE: Code in this file is not used when booting with Device Tree 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/clk.h> +#include <linux/io.h> +#include <linux/device.h> +#include <linux/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/platform_device.h> +#include <linux/of.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/cpu.h> +#include <plat/devs.h> +#include <plat/sdhci.h> +#include <plat/iic-core.h> +#include <plat/onenand-core.h> + +#include "common.h" + +void __init s3c6400_map_io(void) +{ + /* setup SDHCI */ + + s3c6400_default_sdhci0(); + s3c6400_default_sdhci1(); + s3c6400_default_sdhci2(); + + /* the i2c devices are directly compatible with s3c2440 */ + s3c_i2c0_setname("s3c2440-i2c"); + + s3c_device_nand.name = "s3c6400-nand"; + + s3c_onenand_setname("s3c6400-onenand"); + s3c64xx_onenand1_setname("s3c6400-onenand"); +} + +void __init s3c6400_init_irq(void) +{ + /* VIC0 does not have IRQS 5..7, + * VIC1 is fully populated. */ + s3c64xx_init_irq(~0 & ~(0xf << 5), ~0); +} + +static struct bus_type s3c6400_subsys = { + .name = "s3c6400-core", + .dev_name = "s3c6400-core", +}; + +static struct device s3c6400_dev = { + .bus = &s3c6400_subsys, +}; + +static int __init s3c6400_core_init(void) +{ + /* Not applicable when using DT. */ + if (of_have_populated_dt()) + return 0; + + return subsys_system_register(&s3c6400_subsys, NULL); +} + +core_initcall(s3c6400_core_init); + +int __init s3c6400_init(void) +{ + printk("S3C6400: Initialising architecture\n"); + + return device_register(&s3c6400_dev); +} |