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1 | /* linux/arch/arm/mach-s3c6410/mach-anw6410.c |
2 | * | |
3 | * Copyright 2008 Openmoko, Inc. | |
4 | * Copyright 2008 Simtec Electronics | |
5 | * Ben Dooks <ben@simtec.co.uk> | |
6 | * http://armlinux.simtec.co.uk/ | |
7 | * Copyright 2009 Kwangwoo Lee | |
8 | * Kwangwoo Lee <kwangwoo.lee@gmail.com> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | * | |
14 | */ | |
15 | ||
16 | #include <linux/kernel.h> | |
17 | #include <linux/types.h> | |
18 | #include <linux/interrupt.h> | |
19 | #include <linux/list.h> | |
20 | #include <linux/timer.h> | |
21 | #include <linux/init.h> | |
22 | #include <linux/serial_core.h> | |
23 | #include <linux/platform_device.h> | |
24 | #include <linux/io.h> | |
25 | #include <linux/i2c.h> | |
26 | #include <linux/fb.h> | |
27 | #include <linux/gpio.h> | |
28 | #include <linux/delay.h> | |
29 | #include <linux/dm9000.h> | |
30 | ||
31 | #include <video/platform_lcd.h> | |
32 | ||
33 | #include <asm/mach/arch.h> | |
34 | #include <asm/mach/map.h> | |
35 | #include <asm/mach/irq.h> | |
36 | ||
37 | #include <mach/hardware.h> | |
38 | #include <mach/regs-fb.h> | |
39 | #include <mach/map.h> | |
40 | ||
41 | #include <asm/irq.h> | |
42 | #include <asm/mach-types.h> | |
43 | ||
44 | #include <plat/regs-serial.h> | |
45 | #include <plat/iic.h> | |
46 | #include <plat/fb.h> | |
47 | ||
48 | #include <plat/s3c6410.h> | |
49 | #include <plat/clock.h> | |
50 | #include <plat/devs.h> | |
51 | #include <plat/cpu.h> | |
52 | #include <plat/regs-gpio.h> | |
53 | #include <plat/regs-modem.h> | |
54 | ||
55 | /* DM9000 */ | |
56 | #define ANW6410_PA_DM9000 (0x18000000) | |
57 | ||
58 | /* A hardware buffer to control external devices is mapped at 0x30000000. | |
59 | * It can not be read. So current status must be kept in anw6410_extdev_status. | |
60 | */ | |
61 | #define ANW6410_VA_EXTDEV S3C_ADDR(0x02000000) | |
62 | #define ANW6410_PA_EXTDEV (0x30000000) | |
63 | ||
64 | #define ANW6410_EN_DM9000 (1<<11) | |
65 | #define ANW6410_EN_LCD (1<<14) | |
66 | ||
67 | static __u32 anw6410_extdev_status; | |
68 | ||
69 | static struct s3c2410_uartcfg anw6410_uartcfgs[] __initdata = { | |
70 | [0] = { | |
71 | .hwport = 0, | |
72 | .flags = 0, | |
73 | .ucon = 0x3c5, | |
74 | .ulcon = 0x03, | |
75 | .ufcon = 0x51, | |
76 | }, | |
77 | [1] = { | |
78 | .hwport = 1, | |
79 | .flags = 0, | |
80 | .ucon = 0x3c5, | |
81 | .ulcon = 0x03, | |
82 | .ufcon = 0x51, | |
83 | }, | |
84 | }; | |
85 | ||
86 | /* framebuffer and LCD setup. */ | |
87 | static void __init anw6410_lcd_mode_set(void) | |
88 | { | |
89 | u32 tmp; | |
90 | ||
91 | /* set the LCD type */ | |
92 | tmp = __raw_readl(S3C64XX_SPCON); | |
93 | tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK; | |
94 | tmp |= S3C64XX_SPCON_LCD_SEL_RGB; | |
95 | __raw_writel(tmp, S3C64XX_SPCON); | |
96 | ||
97 | /* remove the LCD bypass */ | |
98 | tmp = __raw_readl(S3C64XX_MODEM_MIFPCON); | |
99 | tmp &= ~MIFPCON_LCD_BYPASS; | |
100 | __raw_writel(tmp, S3C64XX_MODEM_MIFPCON); | |
101 | } | |
102 | ||
103 | /* GPF1 = LCD panel power | |
104 | * GPF4 = LCD backlight control | |
105 | */ | |
106 | static void anw6410_lcd_power_set(struct plat_lcd_data *pd, | |
107 | unsigned int power) | |
108 | { | |
109 | if (power) { | |
110 | anw6410_extdev_status |= (ANW6410_EN_LCD << 16); | |
111 | __raw_writel(anw6410_extdev_status, ANW6410_VA_EXTDEV); | |
112 | ||
113 | gpio_direction_output(S3C64XX_GPF(1), 1); | |
114 | gpio_direction_output(S3C64XX_GPF(4), 1); | |
115 | } else { | |
116 | anw6410_extdev_status &= ~(ANW6410_EN_LCD << 16); | |
117 | __raw_writel(anw6410_extdev_status, ANW6410_VA_EXTDEV); | |
118 | ||
119 | gpio_direction_output(S3C64XX_GPF(1), 0); | |
120 | gpio_direction_output(S3C64XX_GPF(4), 0); | |
121 | } | |
122 | } | |
123 | ||
124 | static struct plat_lcd_data anw6410_lcd_power_data = { | |
125 | .set_power = anw6410_lcd_power_set, | |
126 | }; | |
127 | ||
128 | static struct platform_device anw6410_lcd_powerdev = { | |
129 | .name = "platform-lcd", | |
130 | .dev.parent = &s3c_device_fb.dev, | |
131 | .dev.platform_data = &anw6410_lcd_power_data, | |
132 | }; | |
133 | ||
134 | static struct s3c_fb_pd_win anw6410_fb_win0 = { | |
135 | /* this is to ensure we use win0 */ | |
136 | .win_mode = { | |
137 | .pixclock = 41094, | |
138 | .left_margin = 8, | |
139 | .right_margin = 13, | |
140 | .upper_margin = 7, | |
141 | .lower_margin = 5, | |
142 | .hsync_len = 3, | |
143 | .vsync_len = 1, | |
144 | .xres = 800, | |
145 | .yres = 480, | |
146 | }, | |
147 | .max_bpp = 32, | |
148 | .default_bpp = 16, | |
149 | }; | |
150 | ||
151 | /* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */ | |
152 | static struct s3c_fb_platdata anw6410_lcd_pdata __initdata = { | |
153 | .setup_gpio = s3c64xx_fb_gpio_setup_24bpp, | |
154 | .win[0] = &anw6410_fb_win0, | |
155 | .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, | |
156 | .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, | |
157 | }; | |
158 | ||
159 | /* DM9000AEP 10/100 ethernet controller */ | |
160 | static void __init anw6410_dm9000_enable(void) | |
161 | { | |
162 | anw6410_extdev_status |= (ANW6410_EN_DM9000 << 16); | |
163 | __raw_writel(anw6410_extdev_status, ANW6410_VA_EXTDEV); | |
164 | } | |
165 | ||
166 | static struct resource anw6410_dm9000_resource[] = { | |
167 | [0] = { | |
168 | .start = ANW6410_PA_DM9000, | |
169 | .end = ANW6410_PA_DM9000 + 3, | |
170 | .flags = IORESOURCE_MEM, | |
171 | }, | |
172 | [1] = { | |
173 | .start = ANW6410_PA_DM9000 + 4, | |
174 | .end = ANW6410_PA_DM9000 + 4 + 500, | |
175 | .flags = IORESOURCE_MEM, | |
176 | }, | |
177 | [2] = { | |
178 | .start = IRQ_EINT(15), | |
179 | .end = IRQ_EINT(15), | |
180 | .flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH, | |
181 | }, | |
182 | }; | |
183 | ||
184 | static struct dm9000_plat_data anw6410_dm9000_pdata = { | |
185 | .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM), | |
186 | /* dev_addr can be set to provide hwaddr. */ | |
187 | }; | |
188 | ||
189 | static struct platform_device anw6410_device_eth = { | |
190 | .name = "dm9000", | |
191 | .id = -1, | |
192 | .num_resources = ARRAY_SIZE(anw6410_dm9000_resource), | |
193 | .resource = anw6410_dm9000_resource, | |
194 | .dev = { | |
195 | .platform_data = &anw6410_dm9000_pdata, | |
196 | }, | |
197 | }; | |
198 | ||
199 | static struct map_desc anw6410_iodesc[] __initdata = { | |
200 | { | |
201 | .virtual = (unsigned long)ANW6410_VA_EXTDEV, | |
202 | .pfn = __phys_to_pfn(ANW6410_PA_EXTDEV), | |
203 | .length = SZ_64K, | |
204 | .type = MT_DEVICE, | |
205 | }, | |
206 | }; | |
207 | ||
208 | static struct platform_device *anw6410_devices[] __initdata = { | |
209 | &s3c_device_fb, | |
210 | &anw6410_lcd_powerdev, | |
211 | &anw6410_device_eth, | |
212 | }; | |
213 | ||
214 | static void __init anw6410_map_io(void) | |
215 | { | |
216 | s3c64xx_init_io(anw6410_iodesc, ARRAY_SIZE(anw6410_iodesc)); | |
217 | s3c24xx_init_clocks(12000000); | |
218 | s3c24xx_init_uarts(anw6410_uartcfgs, ARRAY_SIZE(anw6410_uartcfgs)); | |
219 | ||
220 | anw6410_lcd_mode_set(); | |
221 | } | |
222 | ||
223 | static void __init anw6410_machine_init(void) | |
224 | { | |
225 | s3c_fb_set_platdata(&anw6410_lcd_pdata); | |
226 | ||
227 | gpio_request(S3C64XX_GPF(1), "panel power"); | |
228 | gpio_request(S3C64XX_GPF(4), "LCD backlight"); | |
229 | ||
230 | anw6410_dm9000_enable(); | |
231 | ||
232 | platform_add_devices(anw6410_devices, ARRAY_SIZE(anw6410_devices)); | |
233 | } | |
234 | ||
235 | MACHINE_START(ANW6410, "A&W6410") | |
236 | /* Maintainer: Kwangwoo Lee <kwangwoo.lee@gmail.com> */ | |
237 | .phys_io = S3C_PA_UART & 0xfff00000, | |
238 | .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc, | |
239 | .boot_params = S3C64XX_PA_SDRAM + 0x100, | |
240 | ||
241 | .init_irq = s3c6410_init_irq, | |
242 | .map_io = anw6410_map_io, | |
243 | .init_machine = anw6410_machine_init, | |
244 | .timer = &s3c24xx_timer, | |
245 | MACHINE_END |