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375 lines
8.3 KiB
375 lines
8.3 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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// |
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// Copyright (C) 2006 by OpenMoko, Inc. |
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// Author: Harald Welte <[email protected]> |
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// All rights reserved. |
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#include <linux/kernel.h> |
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#include <linux/types.h> |
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#include <linux/interrupt.h> |
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#include <linux/list.h> |
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#include <linux/timer.h> |
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#include <linux/init.h> |
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#include <linux/gpio.h> |
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#include <linux/gpio/machine.h> |
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#include <linux/device.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/serial_s3c.h> |
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#include <linux/spi/spi.h> |
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#include <linux/spi/spi_gpio.h> |
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#include <linux/io.h> |
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#include <linux/mtd/mtd.h> |
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#include <linux/mtd/rawnand.h> |
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#include <linux/mtd/nand-ecc-sw-hamming.h> |
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#include <linux/mtd/partitions.h> |
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#include <asm/mach/arch.h> |
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#include <asm/mach/map.h> |
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#include <asm/mach/irq.h> |
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#include <asm/irq.h> |
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#include <asm/mach-types.h> |
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#include <linux/platform_data/leds-s3c24xx.h> |
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#include <linux/platform_data/fb-s3c2410.h> |
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#include <linux/platform_data/mtd-nand-s3c2410.h> |
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#include <linux/platform_data/usb-s3c2410_udc.h> |
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#include <linux/platform_data/i2c-s3c2410.h> |
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#include "gpio-samsung.h" |
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#include "gpio-cfg.h" |
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#include "devs.h" |
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#include "cpu.h" |
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#include "pm.h" |
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#include "s3c24xx.h" |
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#include "common-smdk-s3c24xx.h" |
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static struct map_desc qt2410_iodesc[] __initdata = { |
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{ 0xe0000000, __phys_to_pfn(S3C2410_CS3+0x01000000), SZ_1M, MT_DEVICE } |
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}; |
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#define UCON S3C2410_UCON_DEFAULT |
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#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB |
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#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE |
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static struct s3c2410_uartcfg smdk2410_uartcfgs[] = { |
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[0] = { |
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.hwport = 0, |
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.flags = 0, |
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.ucon = UCON, |
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.ulcon = ULCON, |
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.ufcon = UFCON, |
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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 = UCON, |
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.ulcon = ULCON, |
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.ufcon = UFCON, |
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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 = UCON, |
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.ulcon = ULCON, |
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.ufcon = UFCON, |
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} |
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}; |
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/* LCD driver info */ |
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static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = { |
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{ |
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/* Configuration for 640x480 SHARP LQ080V3DG01 */ |
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.lcdcon5 = S3C2410_LCDCON5_FRM565 | |
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S3C2410_LCDCON5_INVVLINE | |
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S3C2410_LCDCON5_INVVFRAME | |
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S3C2410_LCDCON5_PWREN | |
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S3C2410_LCDCON5_HWSWP, |
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.type = S3C2410_LCDCON1_TFT, |
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.width = 640, |
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.height = 480, |
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.pixclock = 40000, /* HCLK/4 */ |
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.xres = 640, |
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.yres = 480, |
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.bpp = 16, |
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.left_margin = 44, |
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.right_margin = 116, |
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.hsync_len = 96, |
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.upper_margin = 19, |
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.lower_margin = 11, |
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.vsync_len = 15, |
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}, |
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{ |
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/* Configuration for 480x640 toppoly TD028TTEC1 */ |
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.lcdcon5 = S3C2410_LCDCON5_FRM565 | |
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S3C2410_LCDCON5_INVVLINE | |
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S3C2410_LCDCON5_INVVFRAME | |
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S3C2410_LCDCON5_PWREN | |
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S3C2410_LCDCON5_HWSWP, |
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.type = S3C2410_LCDCON1_TFT, |
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.width = 480, |
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.height = 640, |
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.pixclock = 40000, /* HCLK/4 */ |
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.xres = 480, |
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.yres = 640, |
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.bpp = 16, |
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.left_margin = 8, |
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.right_margin = 24, |
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.hsync_len = 8, |
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.upper_margin = 2, |
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.lower_margin = 4, |
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.vsync_len = 2, |
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}, |
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{ |
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/* Config for 240x320 LCD */ |
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.lcdcon5 = S3C2410_LCDCON5_FRM565 | |
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S3C2410_LCDCON5_INVVLINE | |
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S3C2410_LCDCON5_INVVFRAME | |
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S3C2410_LCDCON5_PWREN | |
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S3C2410_LCDCON5_HWSWP, |
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.type = S3C2410_LCDCON1_TFT, |
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.width = 240, |
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.height = 320, |
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.pixclock = 100000, /* HCLK/10 */ |
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.xres = 240, |
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.yres = 320, |
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.bpp = 16, |
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.left_margin = 13, |
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.right_margin = 8, |
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.hsync_len = 4, |
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.upper_margin = 2, |
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.lower_margin = 7, |
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.vsync_len = 4, |
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}, |
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}; |
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static struct s3c2410fb_mach_info qt2410_fb_info __initdata = { |
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.displays = qt2410_lcd_cfg, |
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.num_displays = ARRAY_SIZE(qt2410_lcd_cfg), |
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.default_display = 0, |
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.lpcsel = ((0xCE6) & ~7) | 1<<4, |
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}; |
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/* CS8900 */ |
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static struct resource qt2410_cs89x0_resources[] = { |
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[0] = DEFINE_RES_MEM(0x19000000, 17), |
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[1] = DEFINE_RES_IRQ(IRQ_EINT9), |
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}; |
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static struct platform_device qt2410_cs89x0 = { |
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.name = "cirrus-cs89x0", |
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.num_resources = ARRAY_SIZE(qt2410_cs89x0_resources), |
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.resource = qt2410_cs89x0_resources, |
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}; |
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/* LED */ |
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static struct gpiod_lookup_table qt2410_led_gpio_table = { |
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.dev_id = "s3c24xx_led.0", |
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.table = { |
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GPIO_LOOKUP("GPB", 0, NULL, GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN), |
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{ }, |
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}, |
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}; |
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static struct s3c24xx_led_platdata qt2410_pdata_led = { |
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.name = "led", |
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.def_trigger = "timer", |
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}; |
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static struct platform_device qt2410_led = { |
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.name = "s3c24xx_led", |
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.id = 0, |
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.dev = { |
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.platform_data = &qt2410_pdata_led, |
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}, |
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}; |
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/* SPI */ |
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static struct spi_gpio_platform_data spi_gpio_cfg = { |
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.num_chipselect = 1, |
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}; |
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static struct platform_device qt2410_spi = { |
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.name = "spi_gpio", |
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.id = 1, |
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.dev.platform_data = &spi_gpio_cfg, |
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}; |
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static struct gpiod_lookup_table qt2410_spi_gpiod_table = { |
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.dev_id = "spi_gpio", |
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.table = { |
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GPIO_LOOKUP("GPIOG", 7, |
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"sck", GPIO_ACTIVE_HIGH), |
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GPIO_LOOKUP("GPIOG", 6, |
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"mosi", GPIO_ACTIVE_HIGH), |
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GPIO_LOOKUP("GPIOG", 5, |
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"miso", GPIO_ACTIVE_HIGH), |
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GPIO_LOOKUP("GPIOB", 5, |
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"cs", GPIO_ACTIVE_HIGH), |
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{ }, |
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}, |
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}; |
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static struct gpiod_lookup_table qt2410_mmc_gpiod_table = { |
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.dev_id = "s3c2410-sdi", |
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.table = { |
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/* bus pins */ |
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GPIO_LOOKUP_IDX("GPIOE", 5, "bus", 0, GPIO_ACTIVE_HIGH), |
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GPIO_LOOKUP_IDX("GPIOE", 6, "bus", 1, GPIO_ACTIVE_HIGH), |
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GPIO_LOOKUP_IDX("GPIOE", 7, "bus", 2, GPIO_ACTIVE_HIGH), |
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GPIO_LOOKUP_IDX("GPIOE", 8, "bus", 3, GPIO_ACTIVE_HIGH), |
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GPIO_LOOKUP_IDX("GPIOE", 9, "bus", 4, GPIO_ACTIVE_HIGH), |
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GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH), |
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{ }, |
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}, |
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}; |
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/* Board devices */ |
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static struct platform_device *qt2410_devices[] __initdata = { |
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&s3c_device_ohci, |
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&s3c_device_lcd, |
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&s3c_device_wdt, |
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&s3c_device_i2c0, |
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&s3c_device_iis, |
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&s3c_device_sdi, |
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&s3c_device_usbgadget, |
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&qt2410_spi, |
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&qt2410_cs89x0, |
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&qt2410_led, |
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}; |
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static struct mtd_partition __initdata qt2410_nand_part[] = { |
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[0] = { |
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.name = "U-Boot", |
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.size = 0x30000, |
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.offset = 0, |
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}, |
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[1] = { |
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.name = "U-Boot environment", |
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.offset = 0x30000, |
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.size = 0x4000, |
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}, |
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[2] = { |
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.name = "kernel", |
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.offset = 0x34000, |
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.size = SZ_2M, |
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}, |
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[3] = { |
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.name = "initrd", |
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.offset = 0x234000, |
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.size = SZ_4M, |
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}, |
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[4] = { |
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.name = "jffs2", |
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.offset = 0x634000, |
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.size = 0x39cc000, |
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}, |
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}; |
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static struct s3c2410_nand_set __initdata qt2410_nand_sets[] = { |
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[0] = { |
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.name = "NAND", |
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.nr_chips = 1, |
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.nr_partitions = ARRAY_SIZE(qt2410_nand_part), |
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.partitions = qt2410_nand_part, |
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}, |
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}; |
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/* choose a set of timings which should suit most 512Mbit |
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* chips and beyond. |
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*/ |
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static struct s3c2410_platform_nand __initdata qt2410_nand_info = { |
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.tacls = 20, |
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.twrph0 = 60, |
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.twrph1 = 20, |
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.nr_sets = ARRAY_SIZE(qt2410_nand_sets), |
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.sets = qt2410_nand_sets, |
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.engine_type = NAND_ECC_ENGINE_TYPE_SOFT, |
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}; |
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/* UDC */ |
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static struct s3c2410_udc_mach_info qt2410_udc_cfg = { |
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}; |
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static char tft_type = 's'; |
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static int __init qt2410_tft_setup(char *str) |
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{ |
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tft_type = str[0]; |
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return 1; |
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} |
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__setup("tft=", qt2410_tft_setup); |
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static void __init qt2410_map_io(void) |
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{ |
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s3c24xx_init_io(qt2410_iodesc, ARRAY_SIZE(qt2410_iodesc)); |
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s3c24xx_init_uarts(smdk2410_uartcfgs, ARRAY_SIZE(smdk2410_uartcfgs)); |
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s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4); |
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} |
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static void __init qt2410_init_time(void) |
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{ |
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s3c2410_init_clocks(12000000); |
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s3c24xx_timer_init(); |
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} |
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static void __init qt2410_machine_init(void) |
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{ |
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s3c_nand_set_platdata(&qt2410_nand_info); |
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switch (tft_type) { |
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case 'p': /* production */ |
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qt2410_fb_info.default_display = 1; |
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break; |
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case 'b': /* big */ |
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qt2410_fb_info.default_display = 0; |
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break; |
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case 's': /* small */ |
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default: |
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qt2410_fb_info.default_display = 2; |
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break; |
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} |
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s3c24xx_fb_set_platdata(&qt2410_fb_info); |
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/* set initial state of the LED GPIO */ |
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WARN_ON(gpio_request_one(S3C2410_GPB(0), GPIOF_OUT_INIT_HIGH, NULL)); |
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gpio_free(S3C2410_GPB(0)); |
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s3c24xx_udc_set_platdata(&qt2410_udc_cfg); |
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s3c_i2c0_set_platdata(NULL); |
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/* Configure the I2S pins (GPE0...GPE4) in correct mode */ |
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s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2), |
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S3C_GPIO_PULL_NONE); |
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gpiod_add_lookup_table(&qt2410_spi_gpiod_table); |
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s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE); |
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gpiod_add_lookup_table(&qt2410_led_gpio_table); |
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gpiod_add_lookup_table(&qt2410_mmc_gpiod_table); |
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platform_add_devices(qt2410_devices, ARRAY_SIZE(qt2410_devices)); |
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s3c_pm_init(); |
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} |
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MACHINE_START(QT2410, "QT2410") |
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.atag_offset = 0x100, |
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.nr_irqs = NR_IRQS_S3C2410, |
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.map_io = qt2410_map_io, |
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.init_irq = s3c2410_init_irq, |
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.init_machine = qt2410_machine_init, |
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.init_time = qt2410_init_time, |
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MACHINE_END
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