1// SPDX-License-Identifier: GPL-2.0
  2//
  3// Copyright (c) 2008 Ramax Lo <ramaxlo@gmail.com>
  4//      Based on mach-anubis.c by Ben Dooks <ben@simtec.co.uk>
  5//      and modifications by SBZ <sbz@spgui.org> and
  6//      Weibing <http://weibing.blogbus.com>
  7//
  8// For product information, visit http://www.arm.com/
  9
 10#include <linux/kernel.h>
 11#include <linux/types.h>
 12#include <linux/gpio/machine.h>
 13#include <linux/interrupt.h>
 14#include <linux/list.h>
 15#include <linux/timer.h>
 16#include <linux/init.h>
 17#include <linux/io.h>
 18#include <linux/serial_core.h>
 19#include <linux/serial_s3c.h>
 20#include <linux/dm9000.h>
 21#include <linux/platform_device.h>
 22
 23#include <asm/mach/arch.h>
 24#include <asm/mach/map.h>
 25#include <asm/mach/irq.h>
 26
 27#include <linux/platform_data/fb-s3c2410.h>
 28#include <asm/irq.h>
 29#include <asm/mach-types.h>
 30
 31#include "regs-gpio.h"
 32#include "gpio-samsung.h"
 33#include <linux/platform_data/mtd-nand-s3c2410.h>
 34#include <linux/platform_data/i2c-s3c2410.h>
 35
 36#include <linux/mtd/mtd.h>
 37#include <linux/mtd/rawnand.h>
 38#include <linux/mtd/nand-ecc-sw-hamming.h>
 39#include <linux/mtd/partitions.h>
 40
 41#include "devs.h"
 42#include "cpu.h"
 43#include <linux/platform_data/mmc-s3cmci.h>
 44
 45#include "s3c24xx.h"
 46
 47static struct map_desc at2440evb_iodesc[] __initdata = {
 48	/* Nothing here */
 49};
 50
 51#define UCON S3C2410_UCON_DEFAULT
 52#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE)
 53#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
 54
 55static struct s3c2410_uartcfg at2440evb_uartcfgs[] __initdata = {
 56	[0] = {
 57		.hwport	     = 0,
 58		.flags	     = 0,
 59		.ucon	     = UCON,
 60		.ulcon	     = ULCON,
 61		.ufcon	     = UFCON,
 62		.clk_sel	= S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
 63	},
 64	[1] = {
 65		.hwport	     = 1,
 66		.flags	     = 0,
 67		.ucon	     = UCON,
 68		.ulcon	     = ULCON,
 69		.ufcon	     = UFCON,
 70		.clk_sel	= S3C2410_UCON_CLKSEL1 | S3C2410_UCON_CLKSEL2,
 71	},
 72};
 73
 74/* NAND Flash on AT2440EVB board */
 75
 76static struct mtd_partition __initdata at2440evb_default_nand_part[] = {
 77	[0] = {
 78		.name	= "Boot Agent",
 79		.size	= SZ_256K,
 80		.offset	= 0,
 81	},
 82	[1] = {
 83		.name	= "Kernel",
 84		.size	= SZ_2M,
 85		.offset	= SZ_256K,
 86	},
 87	[2] = {
 88		.name	= "Root",
 89		.offset	= SZ_256K + SZ_2M,
 90		.size	= MTDPART_SIZ_FULL,
 91	},
 92};
 93
 94static struct s3c2410_nand_set __initdata at2440evb_nand_sets[] = {
 95	[0] = {
 96		.name		= "nand",
 97		.nr_chips	= 1,
 98		.nr_partitions	= ARRAY_SIZE(at2440evb_default_nand_part),
 99		.partitions	= at2440evb_default_nand_part,
100	},
101};
102
103static struct s3c2410_platform_nand __initdata at2440evb_nand_info = {
104	.tacls		= 25,
105	.twrph0		= 55,
106	.twrph1		= 40,
107	.nr_sets	= ARRAY_SIZE(at2440evb_nand_sets),
108	.sets		= at2440evb_nand_sets,
109	.engine_type	= NAND_ECC_ENGINE_TYPE_SOFT,
110};
111
112/* DM9000AEP 10/100 ethernet controller */
113
114static struct resource at2440evb_dm9k_resource[] = {
115	[0] = DEFINE_RES_MEM(S3C2410_CS3, 4),
116	[1] = DEFINE_RES_MEM(S3C2410_CS3 + 4, 4),
117	[2] = DEFINE_RES_NAMED(IRQ_EINT7, 1, NULL, IORESOURCE_IRQ \
118					| IORESOURCE_IRQ_HIGHEDGE),
119};
120
121static struct dm9000_plat_data at2440evb_dm9k_pdata = {
122	.flags		= (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
123};
124
125static struct platform_device at2440evb_device_eth = {
126	.name		= "dm9000",
127	.id		= -1,
128	.num_resources	= ARRAY_SIZE(at2440evb_dm9k_resource),
129	.resource	= at2440evb_dm9k_resource,
130	.dev		= {
131		.platform_data	= &at2440evb_dm9k_pdata,
132	},
133};
134
135static struct s3c24xx_mci_pdata at2440evb_mci_pdata __initdata = {
136	.set_power	= s3c24xx_mci_def_set_power,
137};
138
139static struct gpiod_lookup_table at2440evb_mci_gpio_table = {
140	.dev_id = "s3c2410-sdi",
141	.table = {
142		/* Card detect S3C2410_GPG(10) */
143		GPIO_LOOKUP("GPIOG", 10, "cd", GPIO_ACTIVE_LOW),
144		/* bus pins */
145		GPIO_LOOKUP_IDX("GPIOE",  5, "bus", 0, GPIO_ACTIVE_HIGH),
146		GPIO_LOOKUP_IDX("GPIOE",  6, "bus", 1, GPIO_ACTIVE_HIGH),
147		GPIO_LOOKUP_IDX("GPIOE",  7, "bus", 2, GPIO_ACTIVE_HIGH),
148		GPIO_LOOKUP_IDX("GPIOE",  8, "bus", 3, GPIO_ACTIVE_HIGH),
149		GPIO_LOOKUP_IDX("GPIOE",  9, "bus", 4, GPIO_ACTIVE_HIGH),
150		GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH),
151		{ },
152	},
153};
154
155
156/* 7" LCD panel */
157
158static struct s3c2410fb_display at2440evb_lcd_cfg __initdata = {
159
160	.lcdcon5	= S3C2410_LCDCON5_FRM565 |
161			  S3C2410_LCDCON5_INVVLINE |
162			  S3C2410_LCDCON5_INVVFRAME |
163			  S3C2410_LCDCON5_PWREN |
164			  S3C2410_LCDCON5_HWSWP,
165
166	.type		= S3C2410_LCDCON1_TFT,
167
168	.width		= 800,
169	.height		= 480,
170
171	.pixclock	= 33333, /* HCLK 60 MHz, divisor 2 */
172	.xres		= 800,
173	.yres		= 480,
174	.bpp		= 16,
175	.left_margin	= 88,
176	.right_margin	= 40,
177	.hsync_len	= 128,
178	.upper_margin	= 32,
179	.lower_margin	= 11,
180	.vsync_len	= 2,
181};
182
183static struct s3c2410fb_mach_info at2440evb_fb_info __initdata = {
184	.displays	= &at2440evb_lcd_cfg,
185	.num_displays	= 1,
186	.default_display = 0,
187};
188
189static struct platform_device *at2440evb_devices[] __initdata = {
190	&s3c_device_ohci,
191	&s3c_device_wdt,
192	&s3c_device_adc,
193	&s3c_device_i2c0,
194	&s3c_device_rtc,
195	&s3c_device_nand,
196	&s3c_device_sdi,
197	&s3c_device_lcd,
198	&at2440evb_device_eth,
199};
200
201static void __init at2440evb_map_io(void)
202{
203	s3c24xx_init_io(at2440evb_iodesc, ARRAY_SIZE(at2440evb_iodesc));
204	s3c24xx_init_uarts(at2440evb_uartcfgs, ARRAY_SIZE(at2440evb_uartcfgs));
205	s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
206}
207
208static void __init at2440evb_init_time(void)
209{
210	s3c2440_init_clocks(16934400);
211	s3c24xx_timer_init();
212}
213
214static void __init at2440evb_init(void)
215{
216	s3c24xx_fb_set_platdata(&at2440evb_fb_info);
217	gpiod_add_lookup_table(&at2440evb_mci_gpio_table);
218	s3c24xx_mci_set_platdata(&at2440evb_mci_pdata);
219	s3c_nand_set_platdata(&at2440evb_nand_info);
220	s3c_i2c0_set_platdata(NULL);
221
222	platform_add_devices(at2440evb_devices, ARRAY_SIZE(at2440evb_devices));
223}
224
225
226MACHINE_START(AT2440EVB, "AT2440EVB")
227	.atag_offset	= 0x100,
228	.nr_irqs	= NR_IRQS_S3C2440,
229	.map_io		= at2440evb_map_io,
230	.init_machine	= at2440evb_init,
231	.init_irq	= s3c2440_init_irq,
232	.init_time	= at2440evb_init_time,
233MACHINE_END