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219 lines
5.7 KiB
219 lines
5.7 KiB
/* linux/arch/arm/mach-exynos4/mach-armlex4210.c
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*
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* Copyright (c) 2011 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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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 version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/gpio.h>
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#include <linux/io.h>
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#include <linux/mmc/host.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/smsc911x.h>
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#include <asm/mach/arch.h>
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#include <asm/hardware/gic.h>
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#include <asm/mach-types.h>
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#include <plat/cpu.h>
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#include <plat/devs.h>
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#include <plat/gpio-cfg.h>
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#include <plat/regs-serial.h>
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#include <plat/regs-srom.h>
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#include <plat/sdhci.h>
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#include <mach/map.h>
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#include "common.h"
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/* Following are default values for UCON, ULCON and UFCON UART registers */
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#define ARMLEX4210_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
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S3C2410_UCON_RXILEVEL | \
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S3C2410_UCON_TXIRQMODE | \
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S3C2410_UCON_RXIRQMODE | \
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S3C2410_UCON_RXFIFO_TOI | \
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S3C2443_UCON_RXERR_IRQEN)
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#define ARMLEX4210_ULCON_DEFAULT S3C2410_LCON_CS8
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#define ARMLEX4210_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
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S5PV210_UFCON_TXTRIG4 | \
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S5PV210_UFCON_RXTRIG4)
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static struct s3c2410_uartcfg armlex4210_uartcfgs[] __initdata = {
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[0] = {
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.hwport = 0,
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.flags = 0,
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.ucon = ARMLEX4210_UCON_DEFAULT,
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.ulcon = ARMLEX4210_ULCON_DEFAULT,
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.ufcon = ARMLEX4210_UFCON_DEFAULT,
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},
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[1] = {
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.hwport = 1,
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.flags = 0,
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.ucon = ARMLEX4210_UCON_DEFAULT,
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.ulcon = ARMLEX4210_ULCON_DEFAULT,
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.ufcon = ARMLEX4210_UFCON_DEFAULT,
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},
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[2] = {
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.hwport = 2,
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.flags = 0,
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.ucon = ARMLEX4210_UCON_DEFAULT,
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.ulcon = ARMLEX4210_ULCON_DEFAULT,
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.ufcon = ARMLEX4210_UFCON_DEFAULT,
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},
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[3] = {
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.hwport = 3,
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.flags = 0,
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.ucon = ARMLEX4210_UCON_DEFAULT,
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.ulcon = ARMLEX4210_ULCON_DEFAULT,
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.ufcon = ARMLEX4210_UFCON_DEFAULT,
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},
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};
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static struct s3c_sdhci_platdata armlex4210_hsmmc0_pdata __initdata = {
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.cd_type = S3C_SDHCI_CD_PERMANENT,
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.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
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#ifdef CONFIG_EXYNOS4_SDHCI_CH0_8BIT
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.max_width = 8,
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.host_caps = MMC_CAP_8_BIT_DATA,
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#endif
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};
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static struct s3c_sdhci_platdata armlex4210_hsmmc2_pdata __initdata = {
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.cd_type = S3C_SDHCI_CD_GPIO,
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.ext_cd_gpio = EXYNOS4_GPX2(5),
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.ext_cd_gpio_invert = 1,
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.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
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.max_width = 4,
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};
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static struct s3c_sdhci_platdata armlex4210_hsmmc3_pdata __initdata = {
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.cd_type = S3C_SDHCI_CD_PERMANENT,
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.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
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.max_width = 4,
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};
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static void __init armlex4210_sdhci_init(void)
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{
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s3c_sdhci0_set_platdata(&armlex4210_hsmmc0_pdata);
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s3c_sdhci2_set_platdata(&armlex4210_hsmmc2_pdata);
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s3c_sdhci3_set_platdata(&armlex4210_hsmmc3_pdata);
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}
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static void __init armlex4210_wlan_init(void)
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{
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/* enable */
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s3c_gpio_cfgpin(EXYNOS4_GPX2(0), S3C_GPIO_SFN(0xf));
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s3c_gpio_setpull(EXYNOS4_GPX2(0), S3C_GPIO_PULL_UP);
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/* reset */
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s3c_gpio_cfgpin(EXYNOS4_GPX1(6), S3C_GPIO_SFN(0xf));
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s3c_gpio_setpull(EXYNOS4_GPX1(6), S3C_GPIO_PULL_UP);
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/* wakeup */
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s3c_gpio_cfgpin(EXYNOS4_GPX1(5), S3C_GPIO_SFN(0xf));
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s3c_gpio_setpull(EXYNOS4_GPX1(5), S3C_GPIO_PULL_UP);
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}
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static struct resource armlex4210_smsc911x_resources[] = {
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[0] = {
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.start = EXYNOS4_PA_SROM_BANK(3),
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.end = EXYNOS4_PA_SROM_BANK(3) + SZ_64K - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_EINT(27),
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.end = IRQ_EINT(27),
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.flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
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},
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};
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static struct smsc911x_platform_config smsc9215_config = {
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.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
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.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
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.flags = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY,
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.phy_interface = PHY_INTERFACE_MODE_MII,
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.mac = {0x00, 0x80, 0x00, 0x23, 0x45, 0x67},
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};
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static struct platform_device armlex4210_smsc911x = {
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.name = "smsc911x",
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.id = -1,
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.num_resources = ARRAY_SIZE(armlex4210_smsc911x_resources),
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.resource = armlex4210_smsc911x_resources,
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.dev = {
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.platform_data = &smsc9215_config,
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},
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};
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static struct platform_device *armlex4210_devices[] __initdata = {
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&s3c_device_hsmmc0,
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&s3c_device_hsmmc2,
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&s3c_device_hsmmc3,
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&s3c_device_rtc,
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&s3c_device_wdt,
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&exynos4_device_sysmmu,
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&samsung_asoc_dma,
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&armlex4210_smsc911x,
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&exynos4_device_ahci,
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};
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static void __init armlex4210_smsc911x_init(void)
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{
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u32 cs1;
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/* configure nCS1 width to 16 bits */
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cs1 = __raw_readl(S5P_SROM_BW) &
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~(S5P_SROM_BW__CS_MASK << S5P_SROM_BW__NCS1__SHIFT);
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cs1 |= ((1 << S5P_SROM_BW__DATAWIDTH__SHIFT) |
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(0 << S5P_SROM_BW__WAITENABLE__SHIFT) |
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(1 << S5P_SROM_BW__ADDRMODE__SHIFT) |
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(1 << S5P_SROM_BW__BYTEENABLE__SHIFT)) <<
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S5P_SROM_BW__NCS1__SHIFT;
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__raw_writel(cs1, S5P_SROM_BW);
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/* set timing for nCS1 suitable for ethernet chip */
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__raw_writel((0x1 << S5P_SROM_BCX__PMC__SHIFT) |
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(0x9 << S5P_SROM_BCX__TACP__SHIFT) |
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(0xc << S5P_SROM_BCX__TCAH__SHIFT) |
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(0x1 << S5P_SROM_BCX__TCOH__SHIFT) |
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(0x6 << S5P_SROM_BCX__TACC__SHIFT) |
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(0x1 << S5P_SROM_BCX__TCOS__SHIFT) |
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(0x1 << S5P_SROM_BCX__TACS__SHIFT), S5P_SROM_BC1);
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}
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static void __init armlex4210_map_io(void)
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{
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exynos_init_io(NULL, 0);
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s3c24xx_init_clocks(24000000);
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s3c24xx_init_uarts(armlex4210_uartcfgs,
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ARRAY_SIZE(armlex4210_uartcfgs));
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}
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static void __init armlex4210_machine_init(void)
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{
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armlex4210_smsc911x_init();
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armlex4210_sdhci_init();
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armlex4210_wlan_init();
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platform_add_devices(armlex4210_devices,
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ARRAY_SIZE(armlex4210_devices));
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}
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MACHINE_START(ARMLEX4210, "ARMLEX4210")
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/* Maintainer: Alim Akhtar <alim.akhtar@samsung.com> */
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.atag_offset = 0x100,
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.init_irq = exynos4_init_irq,
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.map_io = armlex4210_map_io,
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.handle_irq = gic_handle_irq,
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.init_machine = armlex4210_machine_init,
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.timer = &exynos4_timer,
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.restart = exynos4_restart,
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MACHINE_END
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