1 /* linux/arch/arm/mach-s3c2410/mach-vr1000.c
3 * Copyright (c) 2003-2005,2008 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
6 * Machine support for Thorcom VR1000 board. Designed for Thorcom by
7 * Simtec Electronics, http://www.simtec.co.uk/
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
15 #include <linux/kernel.h>
16 #include <linux/types.h>
17 #include <linux/interrupt.h>
18 #include <linux/list.h>
19 #include <linux/timer.h>
20 #include <linux/init.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>
34 #include <mach/bast-map.h>
35 #include <mach/vr1000-map.h>
36 #include <mach/vr1000-irq.h>
37 #include <mach/vr1000-cpld.h>
39 #include <mach/hardware.h>
41 #include <asm/mach-types.h>
43 #include <plat/regs-serial.h>
44 #include <mach/regs-gpio.h>
45 #include <mach/leds-gpio.h>
47 #include <plat/clock.h>
48 #include <plat/devs.h>
52 #include "usb-simtec.h"
53 #include "nor-simtec.h"
55 /* macros for virtual address mods for the io space entries */
56 #define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5)
57 #define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4)
58 #define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3)
59 #define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2)
61 /* macros to modify the physical addresses for io space */
63 #define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2))
64 #define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3))
65 #define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4))
66 #define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5))
68 static struct map_desc vr1000_iodesc
[] __initdata
= {
71 .virtual = (u32
)S3C24XX_VA_ISA_BYTE
,
72 .pfn
= PA_CS2(BAST_PA_ISAIO
),
76 .virtual = (u32
)S3C24XX_VA_ISA_WORD
,
77 .pfn
= PA_CS3(BAST_PA_ISAIO
),
82 /* CPLD control registers, and external interrupt controls */
84 .virtual = (u32
)VR1000_VA_CTRL1
,
85 .pfn
= __phys_to_pfn(VR1000_PA_CTRL1
),
89 .virtual = (u32
)VR1000_VA_CTRL2
,
90 .pfn
= __phys_to_pfn(VR1000_PA_CTRL2
),
94 .virtual = (u32
)VR1000_VA_CTRL3
,
95 .pfn
= __phys_to_pfn(VR1000_PA_CTRL3
),
99 .virtual = (u32
)VR1000_VA_CTRL4
,
100 .pfn
= __phys_to_pfn(VR1000_PA_CTRL4
),
106 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
107 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
108 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
110 /* uart clock source(s) */
112 static struct s3c24xx_uart_clksrc vr1000_serial_clocks
[] = {
127 static struct s3c2410_uartcfg vr1000_uartcfgs
[] __initdata
= {
134 .clocks
= vr1000_serial_clocks
,
135 .clocks_size
= ARRAY_SIZE(vr1000_serial_clocks
),
143 .clocks
= vr1000_serial_clocks
,
144 .clocks_size
= ARRAY_SIZE(vr1000_serial_clocks
),
146 /* port 2 is not actually used */
153 .clocks
= vr1000_serial_clocks
,
154 .clocks_size
= ARRAY_SIZE(vr1000_serial_clocks
),
159 /* definitions for the vr1000 extra 16550 serial ports */
161 #define VR1000_BAUDBASE (3692307)
163 #define VR1000_SERIAL_MAPBASE(x) (VR1000_PA_SERIAL + 0x80 + ((x) << 5))
165 static struct plat_serial8250_port serial_platform_data
[] = {
167 .mapbase
= VR1000_SERIAL_MAPBASE(0),
168 .irq
= IRQ_VR1000_SERIAL
+ 0,
169 .flags
= UPF_BOOT_AUTOCONF
| UPF_IOREMAP
,
172 .uartclk
= VR1000_BAUDBASE
,
175 .mapbase
= VR1000_SERIAL_MAPBASE(1),
176 .irq
= IRQ_VR1000_SERIAL
+ 1,
177 .flags
= UPF_BOOT_AUTOCONF
| UPF_IOREMAP
,
180 .uartclk
= VR1000_BAUDBASE
,
183 .mapbase
= VR1000_SERIAL_MAPBASE(2),
184 .irq
= IRQ_VR1000_SERIAL
+ 2,
185 .flags
= UPF_BOOT_AUTOCONF
| UPF_IOREMAP
,
188 .uartclk
= VR1000_BAUDBASE
,
191 .mapbase
= VR1000_SERIAL_MAPBASE(3),
192 .irq
= IRQ_VR1000_SERIAL
+ 3,
193 .flags
= UPF_BOOT_AUTOCONF
| UPF_IOREMAP
,
196 .uartclk
= VR1000_BAUDBASE
,
201 static struct platform_device serial_device
= {
202 .name
= "serial8250",
203 .id
= PLAT8250_DEV_PLATFORM
,
205 .platform_data
= serial_platform_data
,
209 /* DM9000 ethernet devices */
211 static struct resource vr1000_dm9k0_resource
[] = {
213 .start
= S3C2410_CS5
+ VR1000_PA_DM9000
,
214 .end
= S3C2410_CS5
+ VR1000_PA_DM9000
+ 3,
215 .flags
= IORESOURCE_MEM
218 .start
= S3C2410_CS5
+ VR1000_PA_DM9000
+ 0x40,
219 .end
= S3C2410_CS5
+ VR1000_PA_DM9000
+ 0x7f,
220 .flags
= IORESOURCE_MEM
223 .start
= IRQ_VR1000_DM9000A
,
224 .end
= IRQ_VR1000_DM9000A
,
225 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHLEVEL
,
230 static struct resource vr1000_dm9k1_resource
[] = {
232 .start
= S3C2410_CS5
+ VR1000_PA_DM9000
+ 0x80,
233 .end
= S3C2410_CS5
+ VR1000_PA_DM9000
+ 0x83,
234 .flags
= IORESOURCE_MEM
237 .start
= S3C2410_CS5
+ VR1000_PA_DM9000
+ 0xC0,
238 .end
= S3C2410_CS5
+ VR1000_PA_DM9000
+ 0xFF,
239 .flags
= IORESOURCE_MEM
242 .start
= IRQ_VR1000_DM9000N
,
243 .end
= IRQ_VR1000_DM9000N
,
244 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHLEVEL
,
248 /* for the moment we limit ourselves to 16bit IO until some
249 * better IO routines can be written and tested
252 static struct dm9000_plat_data vr1000_dm9k_platdata
= {
253 .flags
= DM9000_PLATF_16BITONLY
,
256 static struct platform_device vr1000_dm9k0
= {
259 .num_resources
= ARRAY_SIZE(vr1000_dm9k0_resource
),
260 .resource
= vr1000_dm9k0_resource
,
262 .platform_data
= &vr1000_dm9k_platdata
,
266 static struct platform_device vr1000_dm9k1
= {
269 .num_resources
= ARRAY_SIZE(vr1000_dm9k1_resource
),
270 .resource
= vr1000_dm9k1_resource
,
272 .platform_data
= &vr1000_dm9k_platdata
,
278 static struct s3c24xx_led_platdata vr1000_led1_pdata
= {
280 .gpio
= S3C2410_GPB0
,
284 static struct s3c24xx_led_platdata vr1000_led2_pdata
= {
286 .gpio
= S3C2410_GPB1
,
290 static struct s3c24xx_led_platdata vr1000_led3_pdata
= {
292 .gpio
= S3C2410_GPB2
,
296 static struct platform_device vr1000_led1
= {
297 .name
= "s3c24xx_led",
300 .platform_data
= &vr1000_led1_pdata
,
304 static struct platform_device vr1000_led2
= {
305 .name
= "s3c24xx_led",
308 .platform_data
= &vr1000_led2_pdata
,
312 static struct platform_device vr1000_led3
= {
313 .name
= "s3c24xx_led",
316 .platform_data
= &vr1000_led3_pdata
,
322 static struct i2c_board_info vr1000_i2c_devs
[] __initdata
= {
324 I2C_BOARD_INFO("tlv320aic23", 0x1a),
326 I2C_BOARD_INFO("tmp101", 0x48),
328 I2C_BOARD_INFO("m41st87", 0x68),
332 /* devices for this board */
334 static struct platform_device
*vr1000_devices
[] __initdata
= {
348 static struct clk
*vr1000_clocks
[] __initdata
= {
356 static void vr1000_power_off(void)
358 s3c2410_gpio_cfgpin(S3C2410_GPB9
, S3C2410_GPB9_OUTP
);
359 s3c2410_gpio_setpin(S3C2410_GPB9
, 1);
362 static void __init
vr1000_map_io(void)
364 /* initialise clock sources */
366 s3c24xx_dclk0
.parent
= &clk_upll
;
367 s3c24xx_dclk0
.rate
= 12*1000*1000;
369 s3c24xx_dclk1
.parent
= NULL
;
370 s3c24xx_dclk1
.rate
= 3692307;
372 s3c24xx_clkout0
.parent
= &s3c24xx_dclk0
;
373 s3c24xx_clkout1
.parent
= &s3c24xx_dclk1
;
375 s3c24xx_uclk
.parent
= &s3c24xx_clkout1
;
377 s3c24xx_register_clocks(vr1000_clocks
, ARRAY_SIZE(vr1000_clocks
));
379 pm_power_off
= vr1000_power_off
;
381 s3c24xx_init_io(vr1000_iodesc
, ARRAY_SIZE(vr1000_iodesc
));
382 s3c24xx_init_clocks(0);
383 s3c24xx_init_uarts(vr1000_uartcfgs
, ARRAY_SIZE(vr1000_uartcfgs
));
386 static void __init
vr1000_init(void)
388 s3c_i2c0_set_platdata(NULL
);
389 platform_add_devices(vr1000_devices
, ARRAY_SIZE(vr1000_devices
));
391 i2c_register_board_info(0, vr1000_i2c_devs
,
392 ARRAY_SIZE(vr1000_i2c_devs
));
397 MACHINE_START(VR1000
, "Thorcom-VR1000")
398 /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
399 .phys_io
= S3C2410_PA_UART
,
400 .io_pg_offst
= (((u32
)S3C24XX_VA_UART
) >> 18) & 0xfffc,
401 .boot_params
= S3C2410_SDRAM_PA
+ 0x100,
402 .map_io
= vr1000_map_io
,
403 .init_machine
= vr1000_init
,
404 .init_irq
= s3c24xx_init_irq
,
405 .timer
= &s3c24xx_timer
,