Merge tags 'cris-for-4.16' and 'cris-for-4.16-urgent' of git://git.kernel.org/pub...
[linux-2.6-microblaze.git] / arch / arm / mach-s3c24xx / mach-vr1000.c
1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // Copyright (c) 2003-2008 Simtec Electronics
4 //   Ben Dooks <ben@simtec.co.uk>
5 //
6 // Machine support for Thorcom VR1000 board. Designed for Thorcom by
7 // Simtec Electronics, http://www.simtec.co.uk/
8
9 #include <linux/kernel.h>
10 #include <linux/types.h>
11 #include <linux/interrupt.h>
12 #include <linux/list.h>
13 #include <linux/timer.h>
14 #include <linux/init.h>
15 #include <linux/gpio.h>
16 #include <linux/dm9000.h>
17 #include <linux/i2c.h>
18
19 #include <linux/serial.h>
20 #include <linux/tty.h>
21 #include <linux/serial_8250.h>
22 #include <linux/serial_reg.h>
23 #include <linux/serial_s3c.h>
24 #include <linux/io.h>
25
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/irq.h>
29
30 #include <asm/irq.h>
31 #include <asm/mach-types.h>
32
33 #include <linux/platform_data/leds-s3c24xx.h>
34 #include <linux/platform_data/i2c-s3c2410.h>
35 #include <linux/platform_data/asoc-s3c24xx_simtec.h>
36
37 #include <mach/hardware.h>
38 #include <mach/regs-gpio.h>
39 #include <mach/gpio-samsung.h>
40
41 #include <plat/cpu.h>
42 #include <plat/devs.h>
43 #include <plat/samsung-time.h>
44
45 #include "bast.h"
46 #include "common.h"
47 #include "simtec.h"
48 #include "vr1000.h"
49
50 /* macros for virtual address mods for the io space entries */
51 #define VA_C5(item) ((unsigned long)(item) + BAST_VAM_CS5)
52 #define VA_C4(item) ((unsigned long)(item) + BAST_VAM_CS4)
53 #define VA_C3(item) ((unsigned long)(item) + BAST_VAM_CS3)
54 #define VA_C2(item) ((unsigned long)(item) + BAST_VAM_CS2)
55
56 /* macros to modify the physical addresses for io space */
57
58 #define PA_CS2(item) (__phys_to_pfn((item) + S3C2410_CS2))
59 #define PA_CS3(item) (__phys_to_pfn((item) + S3C2410_CS3))
60 #define PA_CS4(item) (__phys_to_pfn((item) + S3C2410_CS4))
61 #define PA_CS5(item) (__phys_to_pfn((item) + S3C2410_CS5))
62
63 static struct map_desc vr1000_iodesc[] __initdata = {
64   /* ISA IO areas */
65   {
66           .virtual      = (u32)S3C24XX_VA_ISA_BYTE,
67           .pfn          = PA_CS2(BAST_PA_ISAIO),
68           .length       = SZ_16M,
69           .type         = MT_DEVICE,
70   }, {
71           .virtual      = (u32)S3C24XX_VA_ISA_WORD,
72           .pfn          = PA_CS3(BAST_PA_ISAIO),
73           .length       = SZ_16M,
74           .type         = MT_DEVICE,
75   },
76
77   /*  CPLD control registers, and external interrupt controls */
78   {
79           .virtual      = (u32)VR1000_VA_CTRL1,
80           .pfn          = __phys_to_pfn(VR1000_PA_CTRL1),
81           .length       = SZ_1M,
82           .type         = MT_DEVICE,
83   }, {
84           .virtual      = (u32)VR1000_VA_CTRL2,
85           .pfn          = __phys_to_pfn(VR1000_PA_CTRL2),
86           .length       = SZ_1M,
87           .type         = MT_DEVICE,
88   }, {
89           .virtual      = (u32)VR1000_VA_CTRL3,
90           .pfn          = __phys_to_pfn(VR1000_PA_CTRL3),
91           .length       = SZ_1M,
92           .type         = MT_DEVICE,
93   }, {
94           .virtual      = (u32)VR1000_VA_CTRL4,
95           .pfn          = __phys_to_pfn(VR1000_PA_CTRL4),
96           .length       = SZ_1M,
97           .type         = MT_DEVICE,
98   },
99 };
100
101 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
102 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
103 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
104
105 static struct s3c2410_uartcfg vr1000_uartcfgs[] __initdata = {
106         [0] = {
107                 .hwport      = 0,
108                 .flags       = 0,
109                 .ucon        = UCON,
110                 .ulcon       = ULCON,
111                 .ufcon       = UFCON,
112         },
113         [1] = {
114                 .hwport      = 1,
115                 .flags       = 0,
116                 .ucon        = UCON,
117                 .ulcon       = ULCON,
118                 .ufcon       = UFCON,
119         },
120         /* port 2 is not actually used */
121         [2] = {
122                 .hwport      = 2,
123                 .flags       = 0,
124                 .ucon        = UCON,
125                 .ulcon       = ULCON,
126                 .ufcon       = UFCON,
127         }
128 };
129
130 /* definitions for the vr1000 extra 16550 serial ports */
131
132 #define VR1000_BAUDBASE (3692307)
133
134 #define VR1000_SERIAL_MAPBASE(x) (VR1000_PA_SERIAL + 0x80 + ((x) << 5))
135
136 static struct plat_serial8250_port serial_platform_data[] = {
137         [0] = {
138                 .mapbase        = VR1000_SERIAL_MAPBASE(0),
139                 .irq            = VR1000_IRQ_SERIAL + 0,
140                 .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
141                 .iotype         = UPIO_MEM,
142                 .regshift       = 0,
143                 .uartclk        = VR1000_BAUDBASE,
144         },
145         [1] = {
146                 .mapbase        = VR1000_SERIAL_MAPBASE(1),
147                 .irq            = VR1000_IRQ_SERIAL + 1,
148                 .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
149                 .iotype         = UPIO_MEM,
150                 .regshift       = 0,
151                 .uartclk        = VR1000_BAUDBASE,
152         },
153         [2] = {
154                 .mapbase        = VR1000_SERIAL_MAPBASE(2),
155                 .irq            = VR1000_IRQ_SERIAL + 2,
156                 .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
157                 .iotype         = UPIO_MEM,
158                 .regshift       = 0,
159                 .uartclk        = VR1000_BAUDBASE,
160         },
161         [3] = {
162                 .mapbase        = VR1000_SERIAL_MAPBASE(3),
163                 .irq            = VR1000_IRQ_SERIAL + 3,
164                 .flags          = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
165                 .iotype         = UPIO_MEM,
166                 .regshift       = 0,
167                 .uartclk        = VR1000_BAUDBASE,
168         },
169         { },
170 };
171
172 static struct platform_device serial_device = {
173         .name                   = "serial8250",
174         .id                     = PLAT8250_DEV_PLATFORM,
175         .dev                    = {
176                 .platform_data  = serial_platform_data,
177         },
178 };
179
180 /* DM9000 ethernet devices */
181
182 static struct resource vr1000_dm9k0_resource[] = {
183         [0] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000, 4),
184         [1] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0x40, 0x40),
185         [2] = DEFINE_RES_NAMED(VR1000_IRQ_DM9000A, 1, NULL, IORESOURCE_IRQ \
186                                                 | IORESOURCE_IRQ_HIGHLEVEL),
187 };
188
189 static struct resource vr1000_dm9k1_resource[] = {
190         [0] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0x80, 4),
191         [1] = DEFINE_RES_MEM(S3C2410_CS5 + VR1000_PA_DM9000 + 0xC0, 0x40),
192         [2] = DEFINE_RES_NAMED(VR1000_IRQ_DM9000N, 1, NULL, IORESOURCE_IRQ \
193                                                 | IORESOURCE_IRQ_HIGHLEVEL),
194 };
195
196 /* for the moment we limit ourselves to 16bit IO until some
197  * better IO routines can be written and tested
198 */
199
200 static struct dm9000_plat_data vr1000_dm9k_platdata = {
201         .flags          = DM9000_PLATF_16BITONLY,
202 };
203
204 static struct platform_device vr1000_dm9k0 = {
205         .name           = "dm9000",
206         .id             = 0,
207         .num_resources  = ARRAY_SIZE(vr1000_dm9k0_resource),
208         .resource       = vr1000_dm9k0_resource,
209         .dev            = {
210                 .platform_data = &vr1000_dm9k_platdata,
211         }
212 };
213
214 static struct platform_device vr1000_dm9k1 = {
215         .name           = "dm9000",
216         .id             = 1,
217         .num_resources  = ARRAY_SIZE(vr1000_dm9k1_resource),
218         .resource       = vr1000_dm9k1_resource,
219         .dev            = {
220                 .platform_data = &vr1000_dm9k_platdata,
221         }
222 };
223
224 /* LEDS */
225
226 static struct s3c24xx_led_platdata vr1000_led1_pdata = {
227         .name           = "led1",
228         .gpio           = S3C2410_GPB(0),
229         .def_trigger    = "",
230 };
231
232 static struct s3c24xx_led_platdata vr1000_led2_pdata = {
233         .name           = "led2",
234         .gpio           = S3C2410_GPB(1),
235         .def_trigger    = "",
236 };
237
238 static struct s3c24xx_led_platdata vr1000_led3_pdata = {
239         .name           = "led3",
240         .gpio           = S3C2410_GPB(2),
241         .def_trigger    = "",
242 };
243
244 static struct platform_device vr1000_led1 = {
245         .name           = "s3c24xx_led",
246         .id             = 1,
247         .dev            = {
248                 .platform_data  = &vr1000_led1_pdata,
249         },
250 };
251
252 static struct platform_device vr1000_led2 = {
253         .name           = "s3c24xx_led",
254         .id             = 2,
255         .dev            = {
256                 .platform_data  = &vr1000_led2_pdata,
257         },
258 };
259
260 static struct platform_device vr1000_led3 = {
261         .name           = "s3c24xx_led",
262         .id             = 3,
263         .dev            = {
264                 .platform_data  = &vr1000_led3_pdata,
265         },
266 };
267
268 /* I2C devices. */
269
270 static struct i2c_board_info vr1000_i2c_devs[] __initdata = {
271         {
272                 I2C_BOARD_INFO("tlv320aic23", 0x1a),
273         }, {
274                 I2C_BOARD_INFO("tmp101", 0x48),
275         }, {
276                 I2C_BOARD_INFO("m41st87", 0x68),
277         },
278 };
279
280 /* devices for this board */
281
282 static struct platform_device *vr1000_devices[] __initdata = {
283         &s3c2410_device_dclk,
284         &s3c_device_ohci,
285         &s3c_device_lcd,
286         &s3c_device_wdt,
287         &s3c_device_i2c0,
288         &s3c_device_adc,
289         &serial_device,
290         &vr1000_dm9k0,
291         &vr1000_dm9k1,
292         &vr1000_led1,
293         &vr1000_led2,
294         &vr1000_led3,
295 };
296
297 static void vr1000_power_off(void)
298 {
299         gpio_direction_output(S3C2410_GPB(9), 1);
300 }
301
302 static void __init vr1000_map_io(void)
303 {
304         pm_power_off = vr1000_power_off;
305
306         s3c24xx_init_io(vr1000_iodesc, ARRAY_SIZE(vr1000_iodesc));
307         s3c24xx_init_uarts(vr1000_uartcfgs, ARRAY_SIZE(vr1000_uartcfgs));
308         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
309 }
310
311 static void __init vr1000_init_time(void)
312 {
313         s3c2410_init_clocks(12000000);
314         samsung_timer_init();
315 }
316
317 static void __init vr1000_init(void)
318 {
319         s3c_i2c0_set_platdata(NULL);
320         platform_add_devices(vr1000_devices, ARRAY_SIZE(vr1000_devices));
321
322         i2c_register_board_info(0, vr1000_i2c_devs,
323                                 ARRAY_SIZE(vr1000_i2c_devs));
324
325         nor_simtec_init();
326         simtec_audio_add(NULL, true, NULL);
327
328         WARN_ON(gpio_request(S3C2410_GPB(9), "power off"));
329 }
330
331 MACHINE_START(VR1000, "Thorcom-VR1000")
332         /* Maintainer: Ben Dooks <ben@simtec.co.uk> */
333         .atag_offset    = 0x100,
334         .map_io         = vr1000_map_io,
335         .init_machine   = vr1000_init,
336         .init_irq       = s3c2410_init_irq,
337         .init_time      = vr1000_init_time,
338 MACHINE_END