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OSCL-LXR

 
 

    


0001 // SPDX-License-Identifier: GPL-2.0
0002 //
0003 // Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>,
0004 //  as part of OpenInkpot project
0005 // Copyright (c) 2009 Promwad Innovation Company
0006 //  Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com>
0007 
0008 #include <linux/kernel.h>
0009 #include <linux/types.h>
0010 #include <linux/interrupt.h>
0011 #include <linux/list.h>
0012 #include <linux/timer.h>
0013 #include <linux/init.h>
0014 #include <linux/serial_core.h>
0015 #include <linux/serial_s3c.h>
0016 #include <linux/platform_device.h>
0017 #include <linux/io.h>
0018 #include <linux/mtd/partitions.h>
0019 #include <linux/gpio.h>
0020 #include <linux/fb.h>
0021 #include <linux/delay.h>
0022 
0023 #include <asm/mach/arch.h>
0024 #include <asm/mach/map.h>
0025 #include <asm/mach/irq.h>
0026 
0027 #include <video/samsung_fimd.h>
0028 #include <asm/irq.h>
0029 #include <asm/mach-types.h>
0030 
0031 #include "hardware-s3c24xx.h"
0032 #include "regs-gpio.h"
0033 #include "regs-s3c2443-clock.h"
0034 #include "gpio-samsung.h"
0035 
0036 #include <linux/platform_data/leds-s3c24xx.h>
0037 #include <linux/platform_data/i2c-s3c2410.h>
0038 
0039 #include "gpio-cfg.h"
0040 #include "devs.h"
0041 #include "cpu.h"
0042 #include <linux/platform_data/mtd-nand-s3c2410.h>
0043 #include "sdhci.h"
0044 #include <linux/platform_data/usb-s3c2410_udc.h>
0045 #include <linux/platform_data/s3c-hsudc.h>
0046 
0047 #include "fb.h"
0048 
0049 #include "s3c24xx.h"
0050 #include "common-smdk-s3c24xx.h"
0051 
0052 static struct map_desc smdk2416_iodesc[] __initdata = {
0053     /* ISA IO Space map (memory space selected by A24) */
0054 
0055     {
0056         .virtual    = (u32)S3C24XX_VA_ISA_BYTE,
0057         .pfn        = __phys_to_pfn(S3C2410_CS2),
0058         .length     = 0x10000,
0059         .type       = MT_DEVICE,
0060     }, {
0061         .virtual    = (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
0062         .pfn        = __phys_to_pfn(S3C2410_CS2 + (1<<24)),
0063         .length     = SZ_4M,
0064         .type       = MT_DEVICE,
0065     }
0066 };
0067 
0068 #define UCON (S3C2410_UCON_DEFAULT  | \
0069         S3C2440_UCON_PCLK   | \
0070         S3C2443_UCON_RXERR_IRQEN)
0071 
0072 #define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
0073 
0074 #define UFCON (S3C2410_UFCON_RXTRIG8    | \
0075         S3C2410_UFCON_FIFOMODE  | \
0076         S3C2440_UFCON_TXTRIG16)
0077 
0078 static struct s3c2410_uartcfg smdk2416_uartcfgs[] __initdata = {
0079     [0] = {
0080         .hwport      = 0,
0081         .flags       = 0,
0082         .ucon        = UCON,
0083         .ulcon       = ULCON,
0084         .ufcon       = UFCON,
0085     },
0086     [1] = {
0087         .hwport      = 1,
0088         .flags       = 0,
0089         .ucon        = UCON,
0090         .ulcon       = ULCON,
0091         .ufcon       = UFCON,
0092     },
0093     /* IR port */
0094     [2] = {
0095         .hwport      = 2,
0096         .flags       = 0,
0097         .ucon        = UCON,
0098         .ulcon       = ULCON | 0x50,
0099         .ufcon       = UFCON,
0100     },
0101     [3] = {
0102         .hwport      = 3,
0103         .flags       = 0,
0104         .ucon        = UCON,
0105         .ulcon       = ULCON,
0106         .ufcon       = UFCON,
0107     }
0108 };
0109 
0110 static void smdk2416_hsudc_gpio_init(void)
0111 {
0112     s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_UP);
0113     s3c_gpio_setpull(S3C2410_GPF(2), S3C_GPIO_PULL_NONE);
0114     s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(1));
0115     s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 0);
0116 }
0117 
0118 static void smdk2416_hsudc_gpio_uninit(void)
0119 {
0120     s3c2410_modify_misccr(S3C2416_MISCCR_SEL_SUSPND, 1);
0121     s3c_gpio_setpull(S3C2410_GPH(14), S3C_GPIO_PULL_NONE);
0122     s3c_gpio_cfgpin(S3C2410_GPH(14), S3C_GPIO_SFN(0));
0123 }
0124 
0125 static struct s3c24xx_hsudc_platdata smdk2416_hsudc_platdata = {
0126     .epnum = 9,
0127     .gpio_init = smdk2416_hsudc_gpio_init,
0128     .gpio_uninit = smdk2416_hsudc_gpio_uninit,
0129 };
0130 
0131 static struct s3c_fb_pd_win smdk2416_fb_win[] = {
0132     [0] = {
0133         .default_bpp    = 16,
0134         .max_bpp    = 32,
0135         .xres           = 800,
0136         .yres           = 480,
0137     },
0138 };
0139 
0140 static struct fb_videomode smdk2416_lcd_timing = {
0141     .pixclock   = 41094,
0142     .left_margin    = 8,
0143     .right_margin   = 13,
0144     .upper_margin   = 7,
0145     .lower_margin   = 5,
0146     .hsync_len  = 3,
0147     .vsync_len  = 1,
0148     .xres           = 800,
0149     .yres           = 480,
0150 };
0151 
0152 static void s3c2416_fb_gpio_setup_24bpp(void)
0153 {
0154     unsigned int gpio;
0155 
0156     for (gpio = S3C2410_GPC(1); gpio <= S3C2410_GPC(4); gpio++) {
0157         s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
0158         s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
0159     }
0160 
0161     for (gpio = S3C2410_GPC(8); gpio <= S3C2410_GPC(15); gpio++) {
0162         s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
0163         s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
0164     }
0165 
0166     for (gpio = S3C2410_GPD(0); gpio <= S3C2410_GPD(15); gpio++) {
0167         s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
0168         s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
0169     }
0170 }
0171 
0172 static struct s3c_fb_platdata smdk2416_fb_platdata = {
0173     .win[0]     = &smdk2416_fb_win[0],
0174     .vtiming    = &smdk2416_lcd_timing,
0175     .setup_gpio = s3c2416_fb_gpio_setup_24bpp,
0176     .vidcon0    = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
0177     .vidcon1    = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
0178 };
0179 
0180 static struct s3c_sdhci_platdata smdk2416_hsmmc0_pdata __initdata = {
0181     .max_width      = 4,
0182     .cd_type        = S3C_SDHCI_CD_GPIO,
0183     .ext_cd_gpio        = S3C2410_GPF(1),
0184     .ext_cd_gpio_invert = 1,
0185 };
0186 
0187 static struct s3c_sdhci_platdata smdk2416_hsmmc1_pdata __initdata = {
0188     .max_width      = 4,
0189     .cd_type        = S3C_SDHCI_CD_NONE,
0190 };
0191 
0192 static struct platform_device *smdk2416_devices[] __initdata = {
0193     &s3c_device_fb,
0194     &s3c_device_wdt,
0195     &s3c_device_ohci,
0196     &s3c_device_i2c0,
0197     &s3c_device_hsmmc0,
0198     &s3c_device_hsmmc1,
0199     &s3c_device_usb_hsudc,
0200     &s3c2443_device_dma,
0201 };
0202 
0203 static void __init smdk2416_init_time(void)
0204 {
0205     s3c2416_init_clocks(12000000);
0206     s3c24xx_timer_init();
0207 }
0208 
0209 static void __init smdk2416_map_io(void)
0210 {
0211     s3c24xx_init_io(smdk2416_iodesc, ARRAY_SIZE(smdk2416_iodesc));
0212     s3c24xx_init_uarts(smdk2416_uartcfgs, ARRAY_SIZE(smdk2416_uartcfgs));
0213     s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
0214 }
0215 
0216 static void __init smdk2416_machine_init(void)
0217 {
0218     s3c_i2c0_set_platdata(NULL);
0219     s3c_fb_set_platdata(&smdk2416_fb_platdata);
0220 
0221     s3c_sdhci0_set_platdata(&smdk2416_hsmmc0_pdata);
0222     s3c_sdhci1_set_platdata(&smdk2416_hsmmc1_pdata);
0223 
0224     s3c24xx_hsudc_set_platdata(&smdk2416_hsudc_platdata);
0225 
0226     gpio_request(S3C2410_GPB(4), "USBHost Power");
0227     gpio_direction_output(S3C2410_GPB(4), 1);
0228 
0229     gpio_request(S3C2410_GPB(3), "Display Power");
0230     gpio_direction_output(S3C2410_GPB(3), 1);
0231 
0232     gpio_request(S3C2410_GPB(1), "Display Reset");
0233     gpio_direction_output(S3C2410_GPB(1), 1);
0234 
0235     platform_add_devices(smdk2416_devices, ARRAY_SIZE(smdk2416_devices));
0236     smdk_machine_init();
0237 }
0238 
0239 MACHINE_START(SMDK2416, "SMDK2416")
0240     /* Maintainer: Yauhen Kharuzhy <jekhor@gmail.com> */
0241     .atag_offset    = 0x100,
0242     .nr_irqs    = NR_IRQS_S3C2416,
0243 
0244     .init_irq   = s3c2416_init_irq,
0245     .map_io     = smdk2416_map_io,
0246     .init_machine   = smdk2416_machine_init,
0247     .init_time  = smdk2416_init_time,
0248 MACHINE_END