- 根目录:
- arch
- arm
- mach-exynos4
- mach-smdkv310.c
/* linux/arch/arm/mach-exynos4/mach-smdkv310.c
*
* Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* 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.
*/
#include <linux/serial_core.h>
#include <linux/gpio.h>
#include <linux/mmc/host.h>
#include <linux/platform_device.h>
#include <linux/smsc911x.h>
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/input.h>
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
#include <plat/regs-serial.h>
#include <plat/regs-srom.h>
#include <plat/exynos4.h>
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/keypad.h>
#include <plat/sdhci.h>
#include <plat/iic.h>
#include <plat/pd.h>
#include <mach/map.h>
/* Following are default values for UCON, ULCON and UFCON UART registers */
#define SMDKV310_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
S3C2410_UCON_RXILEVEL | \
S3C2410_UCON_TXIRQMODE | \
S3C2410_UCON_RXIRQMODE | \
S3C2410_UCON_RXFIFO_TOI | \
S3C2443_UCON_RXERR_IRQEN)
#define SMDKV310_ULCON_DEFAULT S3C2410_LCON_CS8
#define SMDKV310_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
S5PV210_UFCON_TXTRIG4 | \
S5PV210_UFCON_RXTRIG4)
static struct s3c2410_uartcfg smdkv310_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = SMDKV310_UCON_DEFAULT,
.ulcon = SMDKV310_ULCON_DEFAULT,
.ufcon = SMDKV310_UFCON_DEFAULT,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = SMDKV310_UCON_DEFAULT,
.ulcon = SMDKV310_ULCON_DEFAULT,
.ufcon = SMDKV310_UFCON_DEFAULT,
},
[2] = {
.hwport = 2,
.flags = 0,
.ucon = SMDKV310_UCON_DEFAULT,
.ulcon = SMDKV310_ULCON_DEFAULT,
.ufcon = SMDKV310_UFCON_DEFAULT,
},
[3] = {
.hwport = 3,
.flags = 0,
.ucon = SMDKV310_UCON_DEFAULT,
.ulcon = SMDKV310_ULCON_DEFAULT,
.ufcon = SMDKV310_UFCON_DEFAULT,
},
};
static struct s3c_sdhci_platdata smdkv310_hsmmc0_pdata __initdata = {
.cd_type = S3C_SDHCI_CD_GPIO,
.ext_cd_gpio = EXYNOS4_GPK0(2),
.ext_cd_gpio_invert = 1,
.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
#ifdef CONFIG_EXYNOS4_SDHCI_CH0_8BIT
.max_width = 8,
.host_caps = MMC_CAP_8_BIT_DATA,
#endif
};
static struct s3c_sdhci_platdata smdkv310_hsmmc1_pdata __initdata = {
.cd_type = S3C_SDHCI_CD_GPIO,
.ext_cd_gpio = EXYNOS4_GPK0(2),
.ext_cd_gpio_invert = 1,
.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
};
static struct s3c_sdhci_platdata smdkv310_hsmmc2_pdata __initdata = {
.cd_type = S3C_SDHCI_CD_GPIO,
.ext_cd_gpio = EXYNOS4_GPK2(2),
.ext_cd_gpio_invert = 1,
.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
#ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
.max_width = 8,
.host_caps = MMC_CAP_8_BIT_DATA,
#endif
};
static struct s3c_sdhci_platdata smdkv310_hsmmc3_pdata __initdata = {
.cd_type = S3C_SDHCI_CD_GPIO,
.ext_cd_gpio = EXYNOS4_GPK2(2),
.ext_cd_gpio_invert = 1,
.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
};
static struct resource smdkv310_smsc911x_resources[] = {
[0] = {
.start = EXYNOS4_PA_SROM_BANK(1),
.end = EXYNOS4_PA_SROM_BANK(1) + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_EINT(5),
.end = IRQ_EINT(5),
.flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
},
};
static struct smsc911x_platform_config smsc9215_config = {
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
.flags = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY,
.phy_interface = PHY_INTERFACE_MODE_MII,
.mac = {0x00, 0x80, 0x00, 0x23, 0x45, 0x67},
};
static struct platform_device smdkv310_smsc911x = {
.name = "smsc911x",
.id = -1,
.num_resources = ARRAY_SIZE(smdkv310_smsc911x_resources),
.resource = smdkv310_smsc911x_resources,
.dev = {
.platform_data = &smsc9215_config,
},
};
static uint32_t smdkv310_keymap[] __initdata = {
/* KEY(row, col, keycode) */
KEY(0, 3, KEY_1), KEY(0, 4, KEY_2), KEY(0, 5, KEY_3),
KEY(0, 6, KEY_4), KEY(0, 7, KEY_5),
KEY(1, 3, KEY_A), KEY(1, 4, KEY_B), KEY(1, 5, KEY_C),
KEY(1, 6, KEY_D), KEY(1, 7, KEY_E)
};
static struct matrix_keymap_data smdkv310_keymap_data __initdata = {
.keymap = smdkv310_keymap,
.keymap_size = ARRAY_SIZE(smdkv310_keymap),
};
static struct samsung_keypad_platdata smdkv310_keypad_data __initdata = {
.keymap_data = &smdkv310_keymap_data,
.rows = 2,
.cols = 8,
};
static struct i2c_board_info i2c_devs1[] __initdata = {
{I2C_BOARD_INFO("wm8994", 0x1a),},
};
static struct platform_device *smdkv310_devices[] __initdata = {
&s3c_device_hsmmc0,
&s3c_device_hsmmc1,
&s3c_device_hsmmc2,
&s3c_device_hsmmc3,
&s3c_device_i2c1,
&s3c_device_rtc,
&s3c_device_wdt,
&exynos4_device_ac97,
&exynos4_device_i2s0,
&samsung_device_keypad,
&exynos4_device_pd[PD_MFC],
&exynos4_device_pd[PD_G3D],
&exynos4_device_pd[PD_LCD0],
&exynos4_device_pd[PD_LCD1],
&exynos4_device_pd[PD_CAM],
&exynos4_device_pd[PD_TV],
&exynos4_device_pd[PD_GPS],
&exynos4_device_sysmmu,
&samsung_asoc_dma,
&smdkv310_smsc911x,
};
static void __init smdkv310_smsc911x_init(void)
{
u32 cs1;
/* configure nCS1 width to 16 bits */
cs1 = __raw_readl(S5P_SROM_BW) &
~(S5P_SROM_BW__CS_MASK << S5P_SROM_BW__NCS1__SHIFT);
cs1 |= ((1 << S5P_SROM_BW__DATAWIDTH__SHIFT) |
(1 << S5P_SROM_BW__WAITENABLE__SHIFT) |
(1 << S5P_SROM_BW__BYTEENABLE__SHIFT)) <<
S5P_SROM_BW__NCS1__SHIFT;
__raw_writel(cs1, S5P_SROM_BW);
/* set timing for nCS1 suitable for ethernet chip */
__raw_writel((0x1 << S5P_SROM_BCX__PMC__SHIFT) |
(0x9 << S5P_SROM_BCX__TACP__SHIFT) |
(0xc << S5P_SROM_BCX__TCAH__SHIFT) |
(0x1 << S5P_SROM_BCX__TCOH__SHIFT) |
(0x6 << S5P_SROM_BCX__TACC__SHIFT) |
(0x1 << S5P_SROM_BCX__TCOS__SHIFT) |
(0x1 << S5P_SROM_BCX__TACS__SHIFT), S5P_SROM_BC1);
}
static void __init smdkv310_map_io(void)
{
s5p_init_io(NULL, 0, S5P_VA_CHIPID);
s3c24xx_init_clocks(24000000);
s3c24xx_init_uarts(smdkv310_uartcfgs, ARRAY_SIZE(smdkv310_uartcfgs));
}
static void __init smdkv310_machine_init(void)
{
s3c_i2c1_set_platdata(NULL);
i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
smdkv310_smsc911x_init();
s3c_sdhci0_set_platdata(&smdkv310_hsmmc0_pdata);
s3c_sdhci1_set_platdata(&smdkv310_hsmmc1_pdata);
s3c_sdhci2_set_platdata(&smdkv310_hsmmc2_pdata);
s3c_sdhci3_set_platdata(&smdkv310_hsmmc3_pdata);
samsung_keypad_set_platdata(&smdkv310_keypad_data);
platform_add_devices(smdkv310_devices, ARRAY_SIZE(smdkv310_devices));
}
MACHINE_START(SMDKV310, "SMDKV310")
/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
/* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
.boot_params = S5P_PA_SDRAM + 0x100,
.init_irq = exynos4_init_irq,
.map_io = smdkv310_map_io,
.init_machine = smdkv310_machine_init,
.timer = &exynos4_timer,
MACHINE_END