- 根目录:
- arch
- arm
- mach-s3c24xx
- common.c
/* linux/arch/arm/plat-s3c24xx/cpu.c
*
* Copyright (c) 2004-2005 Simtec Electronics
* http://www.simtec.co.uk/products/SWLINUX/
* Ben Dooks <ben@simtec.co.uk>
*
* Common code for S3C24XX machines
*
* 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/init.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/serial_core.h>
#include <linux/serial_s3c.h>
#include <clocksource/samsung_pwm.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/platform_data/dma-s3c24xx.h>
#include <mach/hardware.h>
#include <mach/regs-clock.h>
#include <asm/irq.h>
#include <asm/cacheflush.h>
#include <asm/system_info.h>
#include <asm/system_misc.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/regs-gpio.h>
#include <mach/dma.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/cpu-freq.h>
#include <plat/pwm-core.h>
#include "common.h"
/* table of supported CPUs */
static const char name_s3c2410[] = "S3C2410";
static const char name_s3c2412[] = "S3C2412";
static const char name_s3c2416[] = "S3C2416/S3C2450";
static const char name_s3c2440[] = "S3C2440";
static const char name_s3c2442[] = "S3C2442";
static const char name_s3c2442b[] = "S3C2442B";
static const char name_s3c2443[] = "S3C2443";
static const char name_s3c2410a[] = "S3C2410A";
static const char name_s3c2440a[] = "S3C2440A";
static struct cpu_table cpu_ids[] __initdata = {
{
.idcode = 0x32410000,
.idmask = 0xffffffff,
.map_io = s3c2410_map_io,
.init_uarts = s3c2410_init_uarts,
.init = s3c2410_init,
.name = name_s3c2410
},
{
.idcode = 0x32410002,
.idmask = 0xffffffff,
.map_io = s3c2410_map_io,
.init_uarts = s3c2410_init_uarts,
.init = s3c2410a_init,
.name = name_s3c2410a
},
{
.idcode = 0x32440000,
.idmask = 0xffffffff,
.map_io = s3c2440_map_io,
.init_uarts = s3c244x_init_uarts,
.init = s3c2440_init,
.name = name_s3c2440
},
{
.idcode = 0x32440001,
.idmask = 0xffffffff,
.map_io = s3c2440_map_io,
.init_uarts = s3c244x_init_uarts,
.init = s3c2440_init,
.name = name_s3c2440a
},
{
.idcode = 0x32440aaa,
.idmask = 0xffffffff,
.map_io = s3c2442_map_io,
.init_uarts = s3c244x_init_uarts,
.init = s3c2442_init,
.name = name_s3c2442
},
{
.idcode = 0x32440aab,
.idmask = 0xffffffff,
.map_io = s3c2442_map_io,
.init_uarts = s3c244x_init_uarts,
.init = s3c2442_init,
.name = name_s3c2442b
},
{
.idcode = 0x32412001,
.idmask = 0xffffffff,
.map_io = s3c2412_map_io,
.init_uarts = s3c2412_init_uarts,
.init = s3c2412_init,
.name = name_s3c2412,
},
{ /* a newer version of the s3c2412 */
.idcode = 0x32412003,
.idmask = 0xffffffff,
.map_io = s3c2412_map_io,
.init_uarts = s3c2412_init_uarts,
.init = s3c2412_init,
.name = name_s3c2412,
},
{ /* a strange version of the s3c2416 */
.idcode = 0x32450003,
.idmask = 0xffffffff,
.map_io = s3c2416_map_io,
.init_uarts = s3c2416_init_uarts,
.init = s3c2416_init,
.name = name_s3c2416,
},
{
.idcode = 0x32443001,
.idmask = 0xffffffff,
.map_io = s3c2443_map_io,
.init_uarts = s3c2443_init_uarts,
.init = s3c2443_init,
.name = name_s3c2443,
},
};
/* minimal IO mapping */
static struct map_desc s3c_iodesc[] __initdata = {
IODESC_ENT(GPIO),
IODESC_ENT(IRQ),
IODESC_ENT(MEMCTRL),
IODESC_ENT(UART)
};
/* read cpu identificaiton code */
static unsigned long s3c24xx_read_idcode_v5(void)
{
#if defined(CONFIG_CPU_S3C2416)
/* s3c2416 is v5, with S3C24XX_GSTATUS1 instead of S3C2412_GSTATUS1 */
u32 gs = __raw_readl(S3C24XX_GSTATUS1);
/* test for s3c2416 or similar device */
if ((gs >> 16) == 0x3245)
return gs;
#endif
#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413)
return __raw_readl(S3C2412_GSTATUS1);
#else
return 1UL; /* don't look like an 2400 */
#endif
}
static unsigned long s3c24xx_read_idcode_v4(void)
{
return __raw_readl(S3C2410_GSTATUS1);
}
static void s3c24xx_default_idle(void)
{
unsigned long tmp = 0;
int i;
/* idle the system by using the idle mode which will wait for an
* interrupt to happen before restarting the system.
*/
/* Warning: going into idle state upsets jtag scanning */
__raw_writel(__raw_readl(S3C2410_CLKCON) | S3C2410_CLKCON_IDLE,
S3C2410_CLKCON);
/* the samsung port seems to do a loop and then unset idle.. */
for (i = 0; i < 50; i++)
tmp += __raw_readl(S3C2410_CLKCON); /* ensure loop not optimised out */
/* this bit is not cleared on re-start... */
__raw_writel(__raw_readl(S3C2410_CLKCON) & ~S3C2410_CLKCON_IDLE,
S3C2410_CLKCON);
}
static struct samsung_pwm_variant s3c24xx_pwm_variant = {
.bits = 16,
.div_base = 1,
.has_tint_cstat = false,
.tclk_mask = (1 << 4),
};
void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
{
arm_pm_idle = s3c24xx_default_idle;
/* initialise the io descriptors we need for initialisation */
iotable_init(mach_desc, size);
iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
if (cpu_architecture() >= CPU_ARCH_ARMv5) {
samsung_cpu_id = s3c24xx_read_idcode_v5();
} else {
samsung_cpu_id = s3c24xx_read_idcode_v4();
}
s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
samsung_pwm_set_platdata(&s3c24xx_pwm_variant);
}
void __init samsung_set_timer_source(unsigned int event, unsigned int source)
{
s3c24xx_pwm_variant.output_mask = BIT(SAMSUNG_PWM_NUM) - 1;
s3c24xx_pwm_variant.output_mask &= ~(BIT(event) | BIT(source));
}
void __init samsung_timer_init(void)
{
unsigned int timer_irqs[SAMSUNG_PWM_NUM] = {
IRQ_TIMER0, IRQ_TIMER1, IRQ_TIMER2, IRQ_TIMER3, IRQ_TIMER4,
};
samsung_pwm_clocksource_init(S3C_VA_TIMER,
timer_irqs, &s3c24xx_pwm_variant);
}
/* Serial port registrations */
#define S3C2410_PA_UART0 (S3C24XX_PA_UART)
#define S3C2410_PA_UART1 (S3C24XX_PA_UART + 0x4000 )
#define S3C2410_PA_UART2 (S3C24XX_PA_UART + 0x8000 )
#define S3C2443_PA_UART3 (S3C24XX_PA_UART + 0xC000 )
static struct resource s3c2410_uart0_resource[] = {
[0] = DEFINE_RES_MEM(S3C2410_PA_UART0, SZ_16K),
[1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX0, \
IRQ_S3CUART_ERR0 - IRQ_S3CUART_RX0 + 1, \
NULL, IORESOURCE_IRQ)
};
static struct resource s3c2410_uart1_resource[] = {
[0] = DEFINE_RES_MEM(S3C2410_PA_UART1, SZ_16K),
[1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX1, \
IRQ_S3CUART_ERR1 - IRQ_S3CUART_RX1 + 1, \
NULL, IORESOURCE_IRQ)
};
static struct resource s3c2410_uart2_resource[] = {
[0] = DEFINE_RES_MEM(S3C2410_PA_UART2, SZ_16K),
[1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX2, \
IRQ_S3CUART_ERR2 - IRQ_S3CUART_RX2 + 1, \
NULL, IORESOURCE_IRQ)
};
static struct resource s3c2410_uart3_resource[] = {
[0] = DEFINE_RES_MEM(S3C2443_PA_UART3, SZ_16K),
[1] = DEFINE_RES_NAMED(IRQ_S3CUART_RX3, \
IRQ_S3CUART_ERR3 - IRQ_S3CUART_RX3 + 1, \
NULL, IORESOURCE_IRQ)
};
struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = {
[0] = {
.resources = s3c2410_uart0_resource,
.nr_resources = ARRAY_SIZE(s3c2410_uart0_resource),
},
[1] = {
.resources = s3c2410_uart1_resource,
.nr_resources = ARRAY_SIZE(s3c2410_uart1_resource),
},
[2] = {
.resources = s3c2410_uart2_resource,
.nr_resources = ARRAY_SIZE(s3c2410_uart2_resource),
},
[3] = {
.resources = s3c2410_uart3_resource,
.nr_resources = ARRAY_SIZE(s3c2410_uart3_resource),
},
};
#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442)
static struct resource s3c2410_dma_resource[] = {
[0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA),
[1] = DEFINE_RES_IRQ(IRQ_DMA0),
[2] = DEFINE_RES_IRQ(IRQ_DMA1),
[3] = DEFINE_RES_IRQ(IRQ_DMA2),
[4] = DEFINE_RES_IRQ(IRQ_DMA3),
};
#endif
#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2442)
static struct s3c24xx_dma_channel s3c2410_dma_channels[DMACH_MAX] = {
[DMACH_XD0] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 0), },
[DMACH_XD1] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 1), },
[DMACH_SDI] = { S3C24XX_DMA_APB, false, S3C24XX_DMA_CHANREQ(2, 0) |
S3C24XX_DMA_CHANREQ(2, 2) |
S3C24XX_DMA_CHANREQ(1, 3),
},
[DMACH_SPI0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 1), },
[DMACH_SPI1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 3), },
[DMACH_UART0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 0), },
[DMACH_UART1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 1), },
[DMACH_UART2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 3), },
[DMACH_TIMER] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 0) |
S3C24XX_DMA_CHANREQ(3, 2) |
S3C24XX_DMA_CHANREQ(3, 3),
},
[DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 1) |
S3C24XX_DMA_CHANREQ(1, 2),
},
[DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 2), },
[DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 0), },
[DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 1), },
[DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 2), },
[DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 3), },
};
static struct s3c24xx_dma_platdata s3c2410_dma_platdata = {
.num_phy_channels = 4,
.channels = s3c2410_dma_channels,
.num_channels = DMACH_MAX,
};
struct platform_device s3c2410_device_dma = {
.name = "s3c2410-dma",
.id = 0,
.num_resources = ARRAY_SIZE(s3c2410_dma_resource),
.resource = s3c2410_dma_resource,
.dev = {
.platform_data = &s3c2410_dma_platdata,
},
};
#endif
#ifdef CONFIG_CPU_S3C2412
static struct s3c24xx_dma_channel s3c2412_dma_channels[DMACH_MAX] = {
[DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 },
[DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 },
[DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 },
[DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 },
[DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 },
[DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 },
[DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 },
[DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 },
[DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 },
[DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 },
[DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 },
[DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 },
[DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 },
[DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 },
[DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 },
[DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 },
[DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, 13 },
[DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, 14 },
[DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, 15 },
[DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, 16 },
};
static struct s3c24xx_dma_platdata s3c2412_dma_platdata = {
.num_phy_channels = 4,
.channels = s3c2412_dma_channels,
.num_channels = DMACH_MAX,
};
struct platform_device s3c2412_device_dma = {
.name = "s3c2412-dma",
.id = 0,
.num_resources = ARRAY_SIZE(s3c2410_dma_resource),
.resource = s3c2410_dma_resource,
.dev = {
.platform_data = &s3c2412_dma_platdata,
},
};
#endif
#if defined(CONFIG_CPU_S3C2440)
static struct s3c24xx_dma_channel s3c2440_dma_channels[DMACH_MAX] = {
[DMACH_XD0] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 0), },
[DMACH_XD1] = { S3C24XX_DMA_AHB, true, S3C24XX_DMA_CHANREQ(0, 1), },
[DMACH_SDI] = { S3C24XX_DMA_APB, false, S3C24XX_DMA_CHANREQ(2, 0) |
S3C24XX_DMA_CHANREQ(6, 1) |
S3C24XX_DMA_CHANREQ(2, 2) |
S3C24XX_DMA_CHANREQ(1, 3),
},
[DMACH_SPI0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 1), },
[DMACH_SPI1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 3), },
[DMACH_UART0] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 0), },
[DMACH_UART1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(1, 1), },
[DMACH_UART2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(0, 3), },
[DMACH_TIMER] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(3, 0) |
S3C24XX_DMA_CHANREQ(3, 2) |
S3C24XX_DMA_CHANREQ(3, 3),
},
[DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(2, 1) |
S3C24XX_DMA_CHANREQ(1, 2),
},
[DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(5, 0) |
S3C24XX_DMA_CHANREQ(0, 2),
},
[DMACH_PCM_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(6, 0) |
S3C24XX_DMA_CHANREQ(5, 2),
},
[DMACH_PCM_OUT] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(5, 1) |
S3C24XX_DMA_CHANREQ(6, 3),
},
[DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(6, 2) |
S3C24XX_DMA_CHANREQ(5, 3),
},
[DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 0), },
[DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 1), },
[DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 2), },
[DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, S3C24XX_DMA_CHANREQ(4, 3), },
};
static struct s3c24xx_dma_platdata s3c2440_dma_platdata = {
.num_phy_channels = 4,
.channels = s3c2440_dma_channels,
.num_channels = DMACH_MAX,
};
struct platform_device s3c2440_device_dma = {
.name = "s3c2410-dma",
.id = 0,
.num_resources = ARRAY_SIZE(s3c2410_dma_resource),
.resource = s3c2410_dma_resource,
.dev = {
.platform_data = &s3c2440_dma_platdata,
},
};
#endif
#if defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2416)
static struct resource s3c2443_dma_resource[] = {
[0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA),
[1] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA0),
[2] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA1),
[3] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA2),
[4] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA3),
[5] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA4),
[6] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA5),
};
static struct s3c24xx_dma_channel s3c2443_dma_channels[DMACH_MAX] = {
[DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 },
[DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 },
[DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 },
[DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 },
[DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 },
[DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 },
[DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 },
[DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 },
[DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 },
[DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 },
[DMACH_UART3] = { S3C24XX_DMA_APB, true, 25 },
[DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 },
[DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 },
[DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 },
[DMACH_UART3_SRC2] = { S3C24XX_DMA_APB, true, 26 },
[DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 },
[DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 },
[DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 },
[DMACH_PCM_IN] = { S3C24XX_DMA_APB, true, 28 },
[DMACH_PCM_OUT] = { S3C24XX_DMA_APB, true, 27 },
[DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, 29 },
};
static struct s3c24xx_dma_platdata s3c2443_dma_platdata = {
.num_phy_channels = 6,
.channels = s3c2443_dma_channels,
.num_channels = DMACH_MAX,
};
struct platform_device s3c2443_device_dma = {
.name = "s3c2443-dma",
.id = 0,
.num_resources = ARRAY_SIZE(s3c2443_dma_resource),
.resource = s3c2443_dma_resource,
.dev = {
.platform_data = &s3c2443_dma_platdata,
},
};
#endif
#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2410)
void __init s3c2410_init_clocks(int xtal)
{
s3c2410_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR);
}
#endif
#ifdef CONFIG_CPU_S3C2412
void __init s3c2412_init_clocks(int xtal)
{
s3c2412_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR);
}
#endif
#ifdef CONFIG_CPU_S3C2416
void __init s3c2416_init_clocks(int xtal)
{
s3c2443_common_clk_init(NULL, xtal, 0, S3C24XX_VA_CLKPWR);
}
#endif
#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2440)
void __init s3c2440_init_clocks(int xtal)
{
s3c2410_common_clk_init(NULL, xtal, 1, S3C24XX_VA_CLKPWR);
}
#endif
#if defined(CONFIG_COMMON_CLK) && defined(CONFIG_CPU_S3C2442)
void __init s3c2442_init_clocks(int xtal)
{
s3c2410_common_clk_init(NULL, xtal, 2, S3C24XX_VA_CLKPWR);
}
#endif
#ifdef CONFIG_CPU_S3C2443
void __init s3c2443_init_clocks(int xtal)
{
s3c2443_common_clk_init(NULL, xtal, 1, S3C24XX_VA_CLKPWR);
}
#endif
#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2440) || \
defined(CONFIG_CPU_S3C2442)
static struct resource s3c2410_dclk_resource[] = {
[0] = DEFINE_RES_MEM(0x56000084, 0x4),
};
struct platform_device s3c2410_device_dclk = {
.name = "s3c2410-dclk",
.id = 0,
.num_resources = ARRAY_SIZE(s3c2410_dclk_resource),
.resource = s3c2410_dclk_resource,
};
#endif