diff options
Diffstat (limited to 'arch/arm/mach-s3c/mach-anw6410.c')
| -rw-r--r-- | arch/arm/mach-s3c/mach-anw6410.c | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/mach-anw6410.c b/arch/arm/mach-s3c/mach-anw6410.c new file mode 100644 index 000000000..b67eae43e --- /dev/null +++ b/arch/arm/mach-s3c/mach-anw6410.c @@ -0,0 +1,230 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright 2008 Openmoko, Inc. +// Copyright 2008 Simtec Electronics +// Ben Dooks <ben@simtec.co.uk> +// http://armlinux.simtec.co.uk/ +// Copyright 2009 Kwangwoo Lee +// Kwangwoo Lee <kwangwoo.lee@gmail.com> + +#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/serial_core.h> +#include <linux/serial_s3c.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/i2c.h> +#include <linux/fb.h> +#include <linux/gpio.h> +#include <linux/delay.h> +#include <linux/dm9000.h> + +#include <video/platform_lcd.h> +#include <video/samsung_fimd.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include "map.h" + +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include <linux/platform_data/i2c-s3c2410.h> +#include "fb.h" + +#include "devs.h" +#include "cpu.h" +#include "irqs.h" +#include "regs-gpio.h" +#include "gpio-samsung.h" + +#include "s3c64xx.h" +#include "regs-modem-s3c64xx.h" + +/* DM9000 */ +#define ANW6410_PA_DM9000 (0x18000000) + +/* A hardware buffer to control external devices is mapped at 0x30000000. + * It can not be read. So current status must be kept in anw6410_extdev_status. + */ +#define ANW6410_VA_EXTDEV S3C_ADDR(0x02000000) +#define ANW6410_PA_EXTDEV (0x30000000) + +#define ANW6410_EN_DM9000 (1<<11) +#define ANW6410_EN_LCD (1<<14) + +static __u32 anw6410_extdev_status; + +static struct s3c2410_uartcfg anw6410_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, +}; + +/* framebuffer and LCD setup. */ +static void __init anw6410_lcd_mode_set(void) +{ + u32 tmp; + + /* set the LCD type */ + tmp = __raw_readl(S3C64XX_SPCON); + tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK; + tmp |= S3C64XX_SPCON_LCD_SEL_RGB; + __raw_writel(tmp, S3C64XX_SPCON); + + /* remove the LCD bypass */ + tmp = __raw_readl(S3C64XX_MODEM_MIFPCON); + tmp &= ~MIFPCON_LCD_BYPASS; + __raw_writel(tmp, S3C64XX_MODEM_MIFPCON); +} + +/* GPF1 = LCD panel power + * GPF4 = LCD backlight control + */ +static void anw6410_lcd_power_set(struct plat_lcd_data *pd, + unsigned int power) +{ + if (power) { + anw6410_extdev_status |= (ANW6410_EN_LCD << 16); + __raw_writel(anw6410_extdev_status, ANW6410_VA_EXTDEV); + + gpio_direction_output(S3C64XX_GPF(1), 1); + gpio_direction_output(S3C64XX_GPF(4), 1); + } else { + anw6410_extdev_status &= ~(ANW6410_EN_LCD << 16); + __raw_writel(anw6410_extdev_status, ANW6410_VA_EXTDEV); + + gpio_direction_output(S3C64XX_GPF(1), 0); + gpio_direction_output(S3C64XX_GPF(4), 0); + } +} + +static struct plat_lcd_data anw6410_lcd_power_data = { + .set_power = anw6410_lcd_power_set, +}; + +static struct platform_device anw6410_lcd_powerdev = { + .name = "platform-lcd", + .dev.parent = &s3c_device_fb.dev, + .dev.platform_data = &anw6410_lcd_power_data, +}; + +static struct s3c_fb_pd_win anw6410_fb_win0 = { + .max_bpp = 32, + .default_bpp = 16, + .xres = 800, + .yres = 480, +}; + +static struct fb_videomode anw6410_lcd_timing = { + .left_margin = 8, + .right_margin = 13, + .upper_margin = 7, + .lower_margin = 5, + .hsync_len = 3, + .vsync_len = 1, + .xres = 800, + .yres = 480, +}; + +/* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */ +static struct s3c_fb_platdata anw6410_lcd_pdata __initdata = { + .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, + .vtiming = &anw6410_lcd_timing, + .win[0] = &anw6410_fb_win0, + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, + .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, +}; + +/* DM9000AEP 10/100 ethernet controller */ +static void __init anw6410_dm9000_enable(void) +{ + anw6410_extdev_status |= (ANW6410_EN_DM9000 << 16); + __raw_writel(anw6410_extdev_status, ANW6410_VA_EXTDEV); +} + +static struct resource anw6410_dm9000_resource[] = { + [0] = DEFINE_RES_MEM(ANW6410_PA_DM9000, 4), + [1] = DEFINE_RES_MEM(ANW6410_PA_DM9000 + 4, 501), + [2] = DEFINE_RES_NAMED(IRQ_EINT(15), 1, NULL, IORESOURCE_IRQ \ + | IRQF_TRIGGER_HIGH), +}; + +static struct dm9000_plat_data anw6410_dm9000_pdata = { + .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM), + /* dev_addr can be set to provide hwaddr. */ +}; + +static struct platform_device anw6410_device_eth = { + .name = "dm9000", + .id = -1, + .num_resources = ARRAY_SIZE(anw6410_dm9000_resource), + .resource = anw6410_dm9000_resource, + .dev = { + .platform_data = &anw6410_dm9000_pdata, + }, +}; + +static struct map_desc anw6410_iodesc[] __initdata = { + { + .virtual = (unsigned long)ANW6410_VA_EXTDEV, + .pfn = __phys_to_pfn(ANW6410_PA_EXTDEV), + .length = SZ_64K, + .type = MT_DEVICE, + }, +}; + +static struct platform_device *anw6410_devices[] __initdata = { + &s3c_device_fb, + &anw6410_lcd_powerdev, + &anw6410_device_eth, +}; + +static void __init anw6410_map_io(void) +{ + s3c64xx_init_io(anw6410_iodesc, ARRAY_SIZE(anw6410_iodesc)); + s3c64xx_set_xtal_freq(12000000); + s3c24xx_init_uarts(anw6410_uartcfgs, ARRAY_SIZE(anw6410_uartcfgs)); + s3c64xx_set_timer_source(S3C64XX_PWM3, S3C64XX_PWM4); + + anw6410_lcd_mode_set(); +} + +static void __init anw6410_machine_init(void) +{ + s3c_fb_set_platdata(&anw6410_lcd_pdata); + + gpio_request(S3C64XX_GPF(1), "panel power"); + gpio_request(S3C64XX_GPF(4), "LCD backlight"); + + anw6410_dm9000_enable(); + + platform_add_devices(anw6410_devices, ARRAY_SIZE(anw6410_devices)); +} + +MACHINE_START(ANW6410, "A&W6410") + /* Maintainer: Kwangwoo Lee <kwangwoo.lee@gmail.com> */ + .atag_offset = 0x100, + .nr_irqs = S3C64XX_NR_IRQS, + .init_irq = s3c6410_init_irq, + .map_io = anw6410_map_io, + .init_machine = anw6410_machine_init, + .init_time = s3c64xx_timer_init, +MACHINE_END |