c29cfa6d3e
Samsung S3C2416 has two SDHCI controllers compatible with other
Samsung's SoCs (S3C64XX, S5PC100 etc...).
Add required platform setup code that the devices can be used with
sdhci-s3c driver.
Signed-off-by: Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
[kgene.kim@samsung.com: change to __raw_{readl,writel} from {readl,writel}]
[kgene.kim@samsung.com: build error fixes]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
138 lines
3.7 KiB
C
138 lines
3.7 KiB
C
/* linux/arch/arm/mach-s3c2416/s3c2416.c
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*
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* Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
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* as part of OpenInkpot project
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* Copyright (c) 2009 Promwad Innovation Company
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* Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
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*
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* Samsung S3C2416 Mobile CPU support
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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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/gpio.h>
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#include <linux/platform_device.h>
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#include <linux/serial_core.h>
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#include <linux/sysdev.h>
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#include <linux/clk.h>
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#include <linux/io.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 <mach/hardware.h>
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#include <asm/proc-fns.h>
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#include <asm/irq.h>
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#include <mach/reset.h>
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#include <mach/idle.h>
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#include <mach/regs-s3c2443-clock.h>
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#include <plat/gpio-core.h>
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#include <plat/gpio-cfg.h>
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#include <plat/gpio-cfg-helpers.h>
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#include <plat/s3c2416.h>
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#include <plat/devs.h>
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#include <plat/cpu.h>
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#include <plat/sdhci.h>
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#include <plat/iic-core.h>
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#include <plat/fb-core.h>
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#include <plat/nand-core.h>
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static struct map_desc s3c2416_iodesc[] __initdata = {
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IODESC_ENT(WATCHDOG),
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IODESC_ENT(CLKPWR),
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IODESC_ENT(TIMER),
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};
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struct sysdev_class s3c2416_sysclass = {
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.name = "s3c2416-core",
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};
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static struct sys_device s3c2416_sysdev = {
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.cls = &s3c2416_sysclass,
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};
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static void s3c2416_hard_reset(void)
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{
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__raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST);
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}
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int __init s3c2416_init(void)
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{
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printk(KERN_INFO "S3C2416: Initializing architecture\n");
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s3c24xx_reset_hook = s3c2416_hard_reset;
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/* s3c24xx_idle = s3c2416_idle; */
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/* change WDT IRQ number */
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s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT;
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s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT;
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/* the i2c devices are directly compatible with s3c2440 */
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s3c_i2c0_setname("s3c2440-i2c");
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s3c_i2c1_setname("s3c2440-i2c");
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s3c_fb_setname("s3c2443-fb");
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return sysdev_register(&s3c2416_sysdev);
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}
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void __init s3c2416_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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s3c_nand_setname("s3c2412-nand");
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}
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/* s3c2416_map_io
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*
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* register the standard cpu IO areas, and any passed in from the
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* machine specific initialisation.
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*/
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void __init s3c2416_map_io(void)
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{
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s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_updown;
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s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_updown;
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/* initialize device information early */
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s3c2416_default_sdhci0();
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s3c2416_default_sdhci1();
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iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc));
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}
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/* need to register class 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 s3c2416 based system)
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* as a driver which may support both 2443 and 2440 may try and use it.
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*/
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static int __init s3c2416_core_init(void)
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{
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return sysdev_class_register(&s3c2416_sysclass);
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}
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core_initcall(s3c2416_core_init);
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