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Diffstat (limited to 'arch/arm/mach-s3c24xx/s3c2416.c')
-rw-r--r--arch/arm/mach-s3c24xx/s3c2416.c149
1 files changed, 149 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c24xx/s3c2416.c b/arch/arm/mach-s3c24xx/s3c2416.c
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+++ b/arch/arm/mach-s3c24xx/s3c2416.c
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+/* linux/arch/arm/mach-s3c2416/s3c2416.c
+ *
+ * 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
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#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 <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <mach/hardware.h>
+#include <asm/proc-fns.h>
+#include <asm/irq.h>
+#include <asm/system_misc.h>
+
+#include <mach/regs-s3c2443-clock.h>
+
+#include <plat/gpio-core.h>
+#include <plat/gpio-cfg.h>
+#include <plat/gpio-cfg-helpers.h>
+#include <plat/s3c2416.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+#include <plat/sdhci.h>
+#include <plat/pm.h>
+
+#include <plat/iic-core.h>
+#include <plat/fb-core.h>
+#include <plat/nand-core.h>
+#include <plat/adc-core.h>
+#include <plat/rtc-core.h>
+
+static struct map_desc s3c2416_iodesc[] __initdata = {
+ 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,
+};
+
+void s3c2416_restart(char mode, const char *cmd)
+{
+ if (mode == 's')
+ soft_restart(0);
+
+ __raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST);
+}
+
+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
+ register_syscore_ops(&s3c2416_pm_syscore_ops);
+#endif
+ register_syscore_ops(&s3c24xx_irq_syscore_ops);
+
+ 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();
+
+ 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);