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1da177e4 LT |
1 | /* linux/arch/arm/mach-s3c2410/mach-h1940.c |
2 | * | |
3 | * Copyright (c) 2003-2005 Simtec Electronics | |
4 | * Ben Dooks <ben@simtec.co.uk> | |
5 | * | |
6 | * http://www.handhelds.org/projects/h1940.html | |
7 | * | |
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. | |
11 | * | |
1da177e4 LT |
12 | */ |
13 | ||
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> | |
333a42e1 | 20 | #include <linux/sysdev.h> |
b6d1f542 | 21 | #include <linux/serial_core.h> |
d052d1be | 22 | #include <linux/platform_device.h> |
fced80c7 | 23 | #include <linux/io.h> |
1da177e4 LT |
24 | |
25 | #include <asm/mach/arch.h> | |
26 | #include <asm/mach/map.h> | |
27 | #include <asm/mach/irq.h> | |
28 | ||
a09e64fb | 29 | #include <mach/hardware.h> |
1da177e4 LT |
30 | #include <asm/irq.h> |
31 | #include <asm/mach-types.h> | |
32 | ||
a2b7ba9c | 33 | #include <plat/regs-serial.h> |
a09e64fb RK |
34 | #include <mach/regs-lcd.h> |
35 | #include <mach/regs-gpio.h> | |
36 | #include <mach/regs-clock.h> | |
f92273c1 | 37 | |
a09e64fb RK |
38 | #include <mach/h1940.h> |
39 | #include <mach/h1940-latch.h> | |
40 | #include <mach/fb.h> | |
57bd4b91 | 41 | #include <plat/udc.h> |
3e1b776c | 42 | #include <plat/iic.h> |
1da177e4 | 43 | |
d5120ae7 | 44 | #include <plat/clock.h> |
a2b7ba9c BD |
45 | #include <plat/devs.h> |
46 | #include <plat/cpu.h> | |
e24b864a | 47 | #include <plat/pll.h> |
a2b7ba9c | 48 | #include <plat/pm.h> |
1da177e4 LT |
49 | |
50 | static struct map_desc h1940_iodesc[] __initdata = { | |
e1981680 BD |
51 | [0] = { |
52 | .virtual = (unsigned long)H1940_LATCH, | |
53 | .pfn = __phys_to_pfn(H1940_PA_LATCH), | |
54 | .length = SZ_16K, | |
55 | .type = MT_DEVICE | |
56 | }, | |
1da177e4 LT |
57 | }; |
58 | ||
59 | #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK | |
60 | #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB | |
61 | #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE | |
62 | ||
66a9b49a | 63 | static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = { |
1da177e4 LT |
64 | [0] = { |
65 | .hwport = 0, | |
66 | .flags = 0, | |
67 | .ucon = 0x3c5, | |
68 | .ulcon = 0x03, | |
69 | .ufcon = 0x51, | |
70 | }, | |
71 | [1] = { | |
72 | .hwport = 1, | |
73 | .flags = 0, | |
74 | .ucon = 0x245, | |
75 | .ulcon = 0x03, | |
76 | .ufcon = 0x00, | |
77 | }, | |
78 | /* IR port */ | |
79 | [2] = { | |
80 | .hwport = 2, | |
81 | .flags = 0, | |
82 | .uart_flags = UPF_CONS_FLOW, | |
83 | .ucon = 0x3c5, | |
84 | .ulcon = 0x43, | |
85 | .ufcon = 0x51, | |
86 | } | |
87 | }; | |
88 | ||
e1981680 BD |
89 | /* Board control latch control */ |
90 | ||
91 | static unsigned int latch_state = H1940_LATCH_DEFAULT; | |
92 | ||
93 | void h1940_latch_control(unsigned int clear, unsigned int set) | |
94 | { | |
95 | unsigned long flags; | |
96 | ||
97 | local_irq_save(flags); | |
98 | ||
99 | latch_state &= ~clear; | |
100 | latch_state |= set; | |
101 | ||
102 | __raw_writel(latch_state, H1940_LATCH); | |
103 | ||
104 | local_irq_restore(flags); | |
105 | } | |
106 | ||
107 | EXPORT_SYMBOL_GPL(h1940_latch_control); | |
1da177e4 | 108 | |
71a9c424 AP |
109 | static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd) |
110 | { | |
111 | printk(KERN_DEBUG "udc: pullup(%d)\n",cmd); | |
112 | ||
113 | switch (cmd) | |
114 | { | |
115 | case S3C2410_UDC_P_ENABLE : | |
116 | h1940_latch_control(0, H1940_LATCH_USB_DP); | |
117 | break; | |
118 | case S3C2410_UDC_P_DISABLE : | |
119 | h1940_latch_control(H1940_LATCH_USB_DP, 0); | |
120 | break; | |
121 | case S3C2410_UDC_P_RESET : | |
122 | break; | |
123 | default: | |
124 | break; | |
125 | } | |
126 | } | |
127 | ||
128 | static struct s3c2410_udc_mach_info h1940_udc_cfg __initdata = { | |
129 | .udc_command = h1940_udc_pullup, | |
070276d5 | 130 | .vbus_pin = S3C2410_GPG(5), |
71a9c424 AP |
131 | .vbus_pin_inverted = 1, |
132 | }; | |
133 | ||
134 | ||
f92273c1 AP |
135 | /** |
136 | * Set lcd on or off | |
137 | **/ | |
09fe75f6 | 138 | static struct s3c2410fb_display h1940_lcd __initdata = { |
f28ef573 KH |
139 | .lcdcon5= S3C2410_LCDCON5_FRM565 | \ |
140 | S3C2410_LCDCON5_INVVLINE | \ | |
141 | S3C2410_LCDCON5_HWSWP, | |
09fe75f6 | 142 | |
1f411537 | 143 | .type = S3C2410_LCDCON1_TFT, |
09fe75f6 KH |
144 | .width = 240, |
145 | .height = 320, | |
69816699 | 146 | .pixclock = 260000, |
09fe75f6 KH |
147 | .xres = 240, |
148 | .yres = 320, | |
149 | .bpp = 16, | |
1f411537 KH |
150 | .left_margin = 20, |
151 | .right_margin = 8, | |
93d11f5a | 152 | .hsync_len = 4, |
5f20f69b KH |
153 | .upper_margin = 8, |
154 | .lower_margin = 7, | |
93d11f5a | 155 | .vsync_len = 1, |
09fe75f6 KH |
156 | }; |
157 | ||
158 | static struct s3c2410fb_mach_info h1940_fb_info __initdata = { | |
09fe75f6 KH |
159 | .displays = &h1940_lcd, |
160 | .num_displays = 1, | |
161 | .default_display = 0, | |
162 | ||
f92273c1 AP |
163 | .lpcsel= 0x02, |
164 | .gpccon= 0xaa940659, | |
165 | .gpccon_mask= 0xffffffff, | |
166 | .gpcup= 0x0000ffff, | |
167 | .gpcup_mask= 0xffffffff, | |
168 | .gpdcon= 0xaa84aaa0, | |
169 | .gpdcon_mask= 0xffffffff, | |
170 | .gpdup= 0x0000faff, | |
171 | .gpdup_mask= 0xffffffff, | |
f92273c1 | 172 | }; |
1da177e4 | 173 | |
d2a76020 AP |
174 | static struct platform_device s3c_device_leds = { |
175 | .name = "h1940-leds", | |
176 | .id = -1, | |
177 | }; | |
178 | ||
7fdc7849 AP |
179 | static struct platform_device s3c_device_bluetooth = { |
180 | .name = "h1940-bt", | |
181 | .id = -1, | |
182 | }; | |
183 | ||
1da177e4 LT |
184 | static struct platform_device *h1940_devices[] __initdata = { |
185 | &s3c_device_usb, | |
186 | &s3c_device_lcd, | |
187 | &s3c_device_wdt, | |
3e1b776c | 188 | &s3c_device_i2c0, |
1da177e4 | 189 | &s3c_device_iis, |
71a9c424 | 190 | &s3c_device_usbgadget, |
d2a76020 | 191 | &s3c_device_leds, |
7fdc7849 | 192 | &s3c_device_bluetooth, |
1da177e4 LT |
193 | }; |
194 | ||
5fe10ab1 | 195 | static void __init h1940_map_io(void) |
1da177e4 LT |
196 | { |
197 | s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc)); | |
198 | s3c24xx_init_clocks(0); | |
199 | s3c24xx_init_uarts(h1940_uartcfgs, ARRAY_SIZE(h1940_uartcfgs)); | |
9073341c BD |
200 | |
201 | /* setup PM */ | |
202 | ||
b1dfe1f1 | 203 | #ifdef CONFIG_PM_H1940 |
9073341c | 204 | memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024); |
b1dfe1f1 | 205 | #endif |
4e59c25d | 206 | s3c_pm_init(); |
1da177e4 LT |
207 | } |
208 | ||
5fe10ab1 | 209 | static void __init h1940_init_irq(void) |
1da177e4 LT |
210 | { |
211 | s3c24xx_init_irq(); | |
1da177e4 LT |
212 | } |
213 | ||
5fe10ab1 | 214 | static void __init h1940_init(void) |
f92273c1 | 215 | { |
71a9c424 AP |
216 | u32 tmp; |
217 | ||
09fe75f6 | 218 | s3c24xx_fb_set_platdata(&h1940_fb_info); |
71a9c424 | 219 | s3c24xx_udc_set_platdata(&h1940_udc_cfg); |
3e1b776c | 220 | s3c_i2c0_set_platdata(NULL); |
71a9c424 AP |
221 | |
222 | /* Turn off suspend on both USB ports, and switch the | |
223 | * selectable USB port to USB device mode. */ | |
224 | ||
225 | s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST | | |
226 | S3C2410_MISCCR_USBSUSPND0 | | |
227 | S3C2410_MISCCR_USBSUSPND1, 0x0); | |
228 | ||
e24b864a BD |
229 | tmp = (0x78 << S3C24XX_PLLCON_MDIVSHIFT) |
230 | | (0x02 << S3C24XX_PLLCON_PDIVSHIFT) | |
231 | | (0x03 << S3C24XX_PLLCON_SDIVSHIFT); | |
71a9c424 | 232 | writel(tmp, S3C2410_UPLLCON); |
57e5171c BD |
233 | |
234 | platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices)); | |
f92273c1 AP |
235 | } |
236 | ||
1da177e4 | 237 | MACHINE_START(H1940, "IPAQ-H1940") |
e9dea0c6 | 238 | /* Maintainer: Ben Dooks <ben@fluff.org> */ |
e9dea0c6 RK |
239 | .phys_io = S3C2410_PA_UART, |
240 | .io_pg_offst = (((u32)S3C24XX_VA_UART) >> 18) & 0xfffc, | |
241 | .boot_params = S3C2410_SDRAM_PA + 0x100, | |
242 | .map_io = h1940_map_io, | |
243 | .init_irq = h1940_init_irq, | |
71a9c424 | 244 | .init_machine = h1940_init, |
1da177e4 LT |
245 | .timer = &s3c24xx_timer, |
246 | MACHINE_END |