2 * Copyright (c) 2003-2008 Simtec Electronics
3 * Ben Dooks <ben@simtec.co.uk>
5 * Machine support for Thorcom VR1000 board. Designed for Thorcom by
6 * Simtec Electronics, http://www.simtec.co.uk/
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
14 #include <linux/kernel.h>
15 #include <linux/types.h>
16 #include <linux/interrupt.h>
17 #include <linux/list.h>
18 #include <linux/timer.h>
19 #include <linux/init.h>
20 #include <linux/gpio.h>
21 #include <linux/dm9000.h>
22 #include <linux/i2c.h>
24 #include <linux/serial.h>
25 #include <linux/tty.h>
26 #include <linux/serial_8250.h>
27 #include <linux/serial_reg.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
32 #include <asm/mach/irq.h>
35 #include <asm/mach-types.h>
37 #include <linux/platform_data/leds-s3c24xx.h>
38 #include <linux/platform_data/i2c-s3c2410.h>
39 #include <linux/platform_data/asoc-s3c24xx_simtec.h>
41 #include <mach/hardware.h>
42 #include <mach/regs-gpio.h>
43 #include <mach/gpio-samsung.h>
45 #include <plat/clock.h>
47 #include <plat/devs.h>
48 #include <plat/regs-serial.h>
49 #include <plat/samsung-time.h>
56 /* macros for virtual address mods for the io space entries */
57 #define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5)
58 #define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4)
59 #define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3)
60 #define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2)
62 /* macros to modify the physical addresses for io space */
64 #define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2))
65 #define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3))
66 #define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4))
67 #define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5))
69 static struct map_desc vr1000_iodesc[] __initdata = {
72 .virtual = (u32)S3C24XX_VA_ISA_BYTE,
73 .pfn = PA_CS2(BAST_PA_ISAIO),
77 .virtual = (u32)S3C24XX_VA_ISA_WORD,
78 .pfn = PA_CS3(BAST_PA_ISAIO),
83 /* CPLD control registers, and external interrupt controls */
85 .virtual = (u32)VR1000_VA_CTRL1,
86 .pfn = __phys_to_pfn(VR1000_PA_CTRL1),
90 .virtual = (u32)VR1000_VA_CTRL2,
91 .pfn = __phys_to_pfn(VR1000_PA_CTRL2),
95 .virtual = (u32)VR1000_VA_CTRL3,
96 .pfn = __phys_to_pfn(VR1000_PA_CTRL3),
100 .virtual = (u32)VR1000_VA_CTRL4,
101 .pfn = __phys_to_pfn(VR1000_PA_CTRL4),
107 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
108 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
109 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
111 static struct s3c2410_uartcfg vr1000_uartcfgs[] __initdata = {
126 /* port 2 is not actually used */
136 /* definitions for the vr1000 extra 16550 serial ports */
138 #define VR1000_BAUDBASE (3692307)
140 #define VR1000_SERIAL_MAPBASE(x) (VR1000_PA_SERIAL + 0x80 + ((x) << 5))
142 static struct plat_serial8250_port serial_platform_data[] = {
144 .mapbase = VR1000_SERIAL_MAPBASE(0),
145 .irq = VR1000_IRQ_SERIAL + 0,
146 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
149 .uartclk = VR1000_BAUDBASE,
152 .mapbase = VR1000_SERIAL_MAPBASE(1),
153 .irq = VR1000_IRQ_SERIAL + 1,
154 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
157 .uartclk = VR1000_BAUDBASE,
160 .mapbase = VR1000_SERIAL_MAPBASE(2),
161 .irq = VR1000_IRQ_SERIAL + 2,
162 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
165 .uartclk = VR1000_BAUDBASE,
168 .mapbase = VR1000_SERIAL_MAPBASE(3),
169 .irq = VR1000_IRQ_SERIAL + 3,
170 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
173 .uartclk = VR1000_BAUDBASE,
178 static struct platform_device serial_device = {
179 .name = "serial8250",
180 .id = PLAT8250_DEV_PLATFORM,
182 .platform_data = serial_platform_data,
186 /* DM9000 ethernet devices */
188 static struct resource vr1000_dm9k0_resource[] = {
189 [0] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000, 4),
190 [1] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0x40, 0x40),
191 [2] = DEFINE_RES_NAMED(VR1000_IRQ_DM9000A, 1, NULL, IORESOURCE_IRQ \
192 | IORESOURCE_IRQ_HIGHLEVEL),
195 static struct resource vr1000_dm9k1_resource[] = {
196 [0] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0x80, 4),
197 [1] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0xC0, 0x40),
198 [2] = DEFINE_RES_NAMED(VR1000_IRQ_DM9000N, 1, NULL, IORESOURCE_IRQ \
199 | IORESOURCE_IRQ_HIGHLEVEL),
202 /* for the moment we limit ourselves to 16bit IO until some
203 * better IO routines can be written and tested
206 static struct dm9000_plat_data vr1000_dm9k_platdata = {
207 .flags = DM9000_PLATF_16BITONLY,
210 static struct platform_device vr1000_dm9k0 = {
213 .num_resources = ARRAY_SIZE(vr1000_dm9k0_resource),
214 .resource = vr1000_dm9k0_resource,
216 .platform_data = &vr1000_dm9k_platdata,
220 static struct platform_device vr1000_dm9k1 = {
223 .num_resources = ARRAY_SIZE(vr1000_dm9k1_resource),
224 .resource = vr1000_dm9k1_resource,
226 .platform_data = &vr1000_dm9k_platdata,
232 static struct s3c24xx_led_platdata vr1000_led1_pdata = {
234 .gpio = S3C2410_GPB(0),
238 static struct s3c24xx_led_platdata vr1000_led2_pdata = {
240 .gpio = S3C2410_GPB(1),
244 static struct s3c24xx_led_platdata vr1000_led3_pdata = {
246 .gpio = S3C2410_GPB(2),
250 static struct platform_device vr1000_led1 = {
251 .name = "s3c24xx_led",
254 .platform_data = &vr1000_led1_pdata,
258 static struct platform_device vr1000_led2 = {
259 .name = "s3c24xx_led",
262 .platform_data = &vr1000_led2_pdata,
266 static struct platform_device vr1000_led3 = {
267 .name = "s3c24xx_led",
270 .platform_data = &vr1000_led3_pdata,
276 static struct i2c_board_info vr1000_i2c_devs[] __initdata = {
278 I2C_BOARD_INFO("tlv320aic23", 0x1a),
280 I2C_BOARD_INFO("tmp101", 0x48),
282 I2C_BOARD_INFO("m41st87", 0x68),
286 /* devices for this board */
288 static struct platform_device *vr1000_devices[] __initdata = {
302 static struct clk *vr1000_clocks[] __initdata = {
310 static void vr1000_power_off(void)
312 gpio_direction_output(S3C2410_GPB(9), 1);
315 static void __init vr1000_map_io(void)
317 /* initialise clock sources */
319 s3c24xx_dclk0.parent = &clk_upll;
320 s3c24xx_dclk0.rate = 12*1000*1000;
322 s3c24xx_dclk1.parent = NULL;
323 s3c24xx_dclk1.rate = 3692307;
325 s3c24xx_clkout0.parent = &s3c24xx_dclk0;
326 s3c24xx_clkout1.parent = &s3c24xx_dclk1;
328 s3c24xx_uclk.parent = &s3c24xx_clkout1;
330 s3c24xx_register_clocks(vr1000_clocks, ARRAY_SIZE(vr1000_clocks));
332 pm_power_off = vr1000_power_off;
334 s3c24xx_init_io(vr1000_iodesc, ARRAY_SIZE(vr1000_iodesc));
335 s3c24xx_init_clocks(0);
336 s3c24xx_init_uarts(vr1000_uartcfgs, ARRAY_SIZE(vr1000_uartcfgs));
337 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
340 static void __init vr1000_init(void)
342 s3c_i2c0_set_platdata(NULL);
343 platform_add_devices(vr1000_devices, ARRAY_SIZE(vr1000_devices));
345 i2c_register_board_info(0, vr1000_i2c_devs,
346 ARRAY_SIZE(vr1000_i2c_devs));
349 simtec_audio_add(NULL, true, NULL);
351 WARN_ON(gpio_request(S3C2410_GPB(9), "power off"));
354 MACHINE_START(VR1000, "Thorcom-VR1000")
355 /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
356 .atag_offset = 0x100,
357 .map_io = vr1000_map_io,
358 .init_machine = vr1000_init,
359 .init_irq = s3c2410_init_irq,
360 .init_time = samsung_timer_init,
361 .restart = s3c2410_restart,