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Diffstat (limited to 'arch/arm/mach-s3c6410/mach-anw6410.c')
-rw-r--r-- | arch/arm/mach-s3c6410/mach-anw6410.c | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c6410/mach-anw6410.c b/arch/arm/mach-s3c6410/mach-anw6410.c new file mode 100644 index 000000000000..661cca63de25 --- /dev/null +++ b/arch/arm/mach-s3c6410/mach-anw6410.c | |||
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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 | ||