diff options
Diffstat (limited to 'arch/arm/mach-s3c/mach-smdk2440.c')
| -rw-r--r-- | arch/arm/mach-s3c/mach-smdk2440.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/mach-smdk2440.c b/arch/arm/mach-s3c/mach-smdk2440.c new file mode 100644 index 000000000..7f6fe0db0 --- /dev/null +++ b/arch/arm/mach-s3c/mach-smdk2440.c @@ -0,0 +1,189 @@ +// SPDX-License-Identifier: GPL-2.0 +// linux/arch/arm/mach-s3c2440/mach-smdk2440.c +// +// Copyright (c) 2004-2005 Simtec Electronics +// Ben Dooks <ben@simtec.co.uk> +// +// http://www.fluff.org/ben/smdk2440/ +// +// Thanks to Dimity Andric and TomTom for the loan of an SMDK2440. + +#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 <asm/mach/arch.h> +#include <asm/mach/map.h> +#include <asm/mach/irq.h> + +#include <asm/irq.h> +#include <asm/mach-types.h> + +#include "regs-gpio.h" +#include "gpio-samsung.h" +#include "gpio-cfg.h" + +#include <linux/platform_data/fb-s3c2410.h> +#include <linux/platform_data/i2c-s3c2410.h> + +#include "devs.h" +#include "cpu.h" + +#include "s3c24xx.h" +#include "common-smdk-s3c24xx.h" + +static struct map_desc smdk2440_iodesc[] __initdata = { + /* ISA IO Space map (memory space selected by A24) */ + + { + .virtual = (u32)S3C24XX_VA_ISA_WORD, + .pfn = __phys_to_pfn(S3C2410_CS2), + .length = 0x10000, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_WORD + 0x10000, + .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)), + .length = SZ_4M, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_BYTE, + .pfn = __phys_to_pfn(S3C2410_CS2), + .length = 0x10000, + .type = MT_DEVICE, + }, { + .virtual = (u32)S3C24XX_VA_ISA_BYTE + 0x10000, + .pfn = __phys_to_pfn(S3C2410_CS2 + (1<<24)), + .length = SZ_4M, + .type = MT_DEVICE, + } +}; + +#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK +#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB +#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE + +static struct s3c2410_uartcfg smdk2440_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x03, + .ufcon = 0x51, + }, + /* IR port */ + [2] = { + .hwport = 2, + .flags = 0, + .ucon = 0x3c5, + .ulcon = 0x43, + .ufcon = 0x51, + } +}; + +/* LCD driver info */ + +static struct s3c2410fb_display smdk2440_lcd_cfg __initdata = { + + .lcdcon5 = S3C2410_LCDCON5_FRM565 | + S3C2410_LCDCON5_INVVLINE | + S3C2410_LCDCON5_INVVFRAME | + S3C2410_LCDCON5_PWREN | + S3C2410_LCDCON5_HWSWP, + + .type = S3C2410_LCDCON1_TFT, + + .width = 240, + .height = 320, + + .pixclock = 166667, /* HCLK 60 MHz, divisor 10 */ + .xres = 240, + .yres = 320, + .bpp = 16, + .left_margin = 20, + .right_margin = 8, + .hsync_len = 4, + .upper_margin = 8, + .lower_margin = 7, + .vsync_len = 4, +}; + +static struct s3c2410fb_mach_info smdk2440_fb_info __initdata = { + .displays = &smdk2440_lcd_cfg, + .num_displays = 1, + .default_display = 0, + +#if 0 + /* currently setup by downloader */ + .gpccon = 0xaa940659, + .gpccon_mask = 0xffffffff, + .gpcup = 0x0000ffff, + .gpcup_mask = 0xffffffff, + .gpdcon = 0xaa84aaa0, + .gpdcon_mask = 0xffffffff, + .gpdup = 0x0000faff, + .gpdup_mask = 0xffffffff, + + .gpccon_reg = S3C2410_GPCCON, + .gpcup_reg = S3C2410_GPCUP, + .gpdcon_reg = S3C2410_GPDCON, + .gpdup_reg = S3C2410_GPDUP, +#endif + + .lpcsel = ((0xCE6) & ~7) | 1<<4, +}; + +static struct platform_device *smdk2440_devices[] __initdata = { + &s3c_device_ohci, + &s3c_device_lcd, + &s3c_device_wdt, + &s3c_device_i2c0, + &s3c_device_iis, +}; + +static void __init smdk2440_map_io(void) +{ + s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc)); + s3c24xx_init_uarts(smdk2440_uartcfgs, ARRAY_SIZE(smdk2440_uartcfgs)); + s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4); +} + +static void __init smdk2440_init_time(void) +{ + s3c2440_init_clocks(16934400); + s3c24xx_timer_init(); +} + +static void __init smdk2440_machine_init(void) +{ + s3c24xx_fb_set_platdata(&smdk2440_fb_info); + s3c_i2c0_set_platdata(NULL); + /* Configure the I2S pins (GPE0...GPE4) in correct mode */ + s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2), + S3C_GPIO_PULL_NONE); + platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices)); + smdk_machine_init(); +} + +MACHINE_START(S3C2440, "SMDK2440") + /* Maintainer: Ben Dooks <ben-linux@fluff.org> */ + .atag_offset = 0x100, + + .init_irq = s3c2440_init_irq, + .map_io = smdk2440_map_io, + .init_machine = smdk2440_machine_init, + .init_time = smdk2440_init_time, +MACHINE_END |