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1da177e4 LT |
1 | /* |
2 | * linux/arch/arm/mach-pxa/poodle.c | |
3 | * | |
4 | * Support for the SHARP Poodle Board. | |
5 | * | |
6 | * Based on: | |
7 | * linux/arch/arm/mach-pxa/lubbock.c Author: Nicolas Pitre | |
8 | * | |
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. | |
12 | * | |
13 | * Change Log | |
14 | * 12-Dec-2002 Sharp Corporation for Poodle | |
15 | * John Lenz <lenz@cs.wisc.edu> updates to 2.6 | |
16 | */ | |
17 | #include <linux/kernel.h> | |
18 | #include <linux/init.h> | |
19 | #include <linux/device.h> | |
20 | #include <linux/fb.h> | |
21 | ||
22 | #include <asm/hardware.h> | |
23 | #include <asm/mach-types.h> | |
24 | #include <asm/irq.h> | |
25 | #include <asm/setup.h> | |
26 | ||
27 | #include <asm/mach/arch.h> | |
28 | #include <asm/mach/map.h> | |
29 | #include <asm/mach/irq.h> | |
30 | ||
31 | #include <asm/arch/pxa-regs.h> | |
32 | #include <asm/arch/irq.h> | |
13b9d47e RP |
33 | #include <asm/arch/mmc.h> |
34 | #include <asm/arch/udc.h> | |
1da177e4 LT |
35 | #include <asm/arch/poodle.h> |
36 | #include <asm/arch/pxafb.h> | |
37 | ||
38 | #include <asm/hardware/scoop.h> | |
39 | #include <asm/hardware/locomo.h> | |
40 | #include <asm/mach/sharpsl_param.h> | |
41 | ||
42 | #include "generic.h" | |
43 | ||
44 | static struct resource poodle_scoop_resources[] = { | |
45 | [0] = { | |
46 | .start = 0x10800000, | |
47 | .end = 0x10800fff, | |
48 | .flags = IORESOURCE_MEM, | |
49 | }, | |
50 | }; | |
51 | ||
52 | static struct scoop_config poodle_scoop_setup = { | |
53 | .io_dir = POODLE_SCOOP_IO_DIR, | |
54 | .io_out = POODLE_SCOOP_IO_OUT, | |
55 | }; | |
56 | ||
57 | struct platform_device poodle_scoop_device = { | |
58 | .name = "sharp-scoop", | |
59 | .id = -1, | |
60 | .dev = { | |
61 | .platform_data = &poodle_scoop_setup, | |
62 | }, | |
63 | .num_resources = ARRAY_SIZE(poodle_scoop_resources), | |
64 | .resource = poodle_scoop_resources, | |
65 | }; | |
66 | ||
0ce7625f RP |
67 | static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = { |
68 | { | |
69 | .dev = &poodle_scoop_device.dev, | |
70 | .irq = POODLE_IRQ_GPIO_CF_IRQ, | |
71 | .cd_irq = POODLE_IRQ_GPIO_CF_CD, | |
72 | .cd_irq_str = "PCMCIA0 CD", | |
73 | }, | |
74 | }; | |
75 | ||
1da177e4 LT |
76 | |
77 | /* LoCoMo device */ | |
78 | static struct resource locomo_resources[] = { | |
79 | [0] = { | |
80 | .start = 0x10000000, | |
81 | .end = 0x10001fff, | |
82 | .flags = IORESOURCE_MEM, | |
83 | }, | |
84 | [1] = { | |
85 | .start = IRQ_GPIO(10), | |
86 | .end = IRQ_GPIO(10), | |
87 | .flags = IORESOURCE_IRQ, | |
88 | }, | |
89 | }; | |
90 | ||
91 | static struct platform_device locomo_device = { | |
92 | .name = "locomo", | |
93 | .id = 0, | |
94 | .num_resources = ARRAY_SIZE(locomo_resources), | |
95 | .resource = locomo_resources, | |
96 | }; | |
97 | ||
13b9d47e RP |
98 | |
99 | /* | |
100 | * MMC/SD Device | |
101 | * | |
102 | * The card detect interrupt isn't debounced so we delay it by 250ms | |
103 | * to give the card a chance to fully insert/eject. | |
104 | */ | |
105 | static struct pxamci_platform_data poodle_mci_platform_data; | |
106 | ||
107 | static int poodle_mci_init(struct device *dev, irqreturn_t (*poodle_detect_int)(int, void *, struct pt_regs *), void *data) | |
108 | { | |
109 | int err; | |
110 | ||
111 | /* setup GPIO for PXA25x MMC controller */ | |
112 | pxa_gpio_mode(GPIO6_MMCCLK_MD); | |
113 | pxa_gpio_mode(GPIO8_MMCCS0_MD); | |
114 | pxa_gpio_mode(POODLE_GPIO_nSD_DETECT | GPIO_IN); | |
115 | pxa_gpio_mode(POODLE_GPIO_SD_PWR | GPIO_OUT); | |
116 | ||
117 | poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250); | |
118 | ||
119 | err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int, SA_INTERRUPT, | |
120 | "MMC card detect", data); | |
121 | if (err) { | |
122 | printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n"); | |
123 | return -1; | |
124 | } | |
125 | ||
126 | set_irq_type(POODLE_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE); | |
127 | ||
128 | return 0; | |
129 | } | |
130 | ||
131 | static void poodle_mci_setpower(struct device *dev, unsigned int vdd) | |
132 | { | |
133 | struct pxamci_platform_data* p_d = dev->platform_data; | |
134 | ||
135 | if (( 1 << vdd) & p_d->ocr_mask) | |
136 | GPSR1 = GPIO_bit(POODLE_GPIO_SD_PWR); | |
137 | else | |
138 | GPCR1 = GPIO_bit(POODLE_GPIO_SD_PWR); | |
139 | } | |
140 | ||
141 | static void poodle_mci_exit(struct device *dev, void *data) | |
142 | { | |
143 | free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data); | |
144 | } | |
145 | ||
146 | static struct pxamci_platform_data poodle_mci_platform_data = { | |
147 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, | |
148 | .init = poodle_mci_init, | |
149 | .setpower = poodle_mci_setpower, | |
150 | .exit = poodle_mci_exit, | |
151 | }; | |
152 | ||
153 | ||
154 | /* | |
155 | * USB Device Controller | |
156 | */ | |
157 | static void poodle_udc_command(int cmd) | |
158 | { | |
159 | switch(cmd) { | |
160 | case PXA2XX_UDC_CMD_CONNECT: | |
161 | GPSR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP); | |
162 | break; | |
163 | case PXA2XX_UDC_CMD_DISCONNECT: | |
164 | GPCR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP); | |
165 | break; | |
166 | } | |
167 | } | |
168 | ||
169 | static struct pxa2xx_udc_mach_info udc_info __initdata = { | |
170 | /* no connect GPIO; poodle can't tell connection status */ | |
171 | .udc_command = poodle_udc_command, | |
172 | }; | |
173 | ||
174 | ||
1da177e4 LT |
175 | /* PXAFB device */ |
176 | static struct pxafb_mach_info poodle_fb_info __initdata = { | |
177 | .pixclock = 144700, | |
178 | ||
179 | .xres = 320, | |
180 | .yres = 240, | |
181 | .bpp = 16, | |
182 | ||
183 | .hsync_len = 7, | |
184 | .left_margin = 11, | |
185 | .right_margin = 30, | |
186 | ||
187 | .vsync_len = 2, | |
188 | .upper_margin = 2, | |
189 | .lower_margin = 0, | |
190 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
191 | ||
192 | .lccr0 = LCCR0_Act | LCCR0_Sngl | LCCR0_Color, | |
193 | .lccr3 = 0, | |
194 | ||
195 | .pxafb_backlight_power = NULL, | |
196 | .pxafb_lcd_power = NULL, | |
197 | }; | |
198 | ||
199 | static struct platform_device *devices[] __initdata = { | |
200 | &locomo_device, | |
201 | &poodle_scoop_device, | |
202 | }; | |
203 | ||
204 | static void __init poodle_init(void) | |
205 | { | |
206 | int ret = 0; | |
207 | ||
f29d2455 RP |
208 | /* setup sleep mode values */ |
209 | PWER = 0x00000002; | |
210 | PFER = 0x00000000; | |
211 | PRER = 0x00000002; | |
212 | PGSR0 = 0x00008000; | |
213 | PGSR1 = 0x003F0202; | |
214 | PGSR2 = 0x0001C000; | |
215 | PCFR |= PCFR_OPDE; | |
216 | ||
1da177e4 LT |
217 | /* cpu initialize */ |
218 | /* Pgsr Register */ | |
219 | PGSR0 = 0x0146dd80; | |
220 | PGSR1 = 0x03bf0890; | |
221 | PGSR2 = 0x0001c000; | |
222 | ||
223 | /* Alternate Register */ | |
224 | GAFR0_L = 0x01001000; | |
225 | GAFR0_U = 0x591a8010; | |
226 | GAFR1_L = 0x900a8451; | |
227 | GAFR1_U = 0xaaa5aaaa; | |
228 | GAFR2_L = 0x8aaaaaaa; | |
229 | GAFR2_U = 0x00000002; | |
230 | ||
231 | /* Direction Register */ | |
232 | GPDR0 = 0xd3f0904c; | |
233 | GPDR1 = 0xfcffb7d3; | |
234 | GPDR2 = 0x0001ffff; | |
235 | ||
236 | /* Output Register */ | |
237 | GPCR0 = 0x00000000; | |
238 | GPCR1 = 0x00000000; | |
239 | GPCR2 = 0x00000000; | |
240 | ||
241 | GPSR0 = 0x00400000; | |
242 | GPSR1 = 0x00000000; | |
243 | GPSR2 = 0x00000000; | |
244 | ||
245 | set_pxa_fb_info(&poodle_fb_info); | |
13b9d47e RP |
246 | pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT); |
247 | pxa_set_udc_info(&udc_info); | |
248 | pxa_set_mci_info(&poodle_mci_platform_data); | |
1da177e4 | 249 | |
0ce7625f RP |
250 | scoop_num = 1; |
251 | scoop_devs = &poodle_pcmcia_scoop[0]; | |
252 | ||
1da177e4 LT |
253 | ret = platform_add_devices(devices, ARRAY_SIZE(devices)); |
254 | if (ret) { | |
255 | printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n"); | |
256 | } | |
257 | } | |
258 | ||
259 | static void __init fixup_poodle(struct machine_desc *desc, | |
260 | struct tag *tags, char **cmdline, struct meminfo *mi) | |
261 | { | |
262 | sharpsl_save_param(); | |
263 | } | |
264 | ||
1da177e4 | 265 | MACHINE_START(POODLE, "SHARP Poodle") |
e9dea0c6 RK |
266 | .phys_ram = 0xa0000000, |
267 | .phys_io = 0x40000000, | |
68070bde | 268 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
e9dea0c6 | 269 | .fixup = fixup_poodle, |
f29d2455 | 270 | .map_io = pxa_map_io, |
e9dea0c6 RK |
271 | .init_irq = pxa_init_irq, |
272 | .timer = &pxa_timer, | |
273 | .init_machine = poodle_init, | |
1da177e4 | 274 | MACHINE_END |