Commit | Line | Data |
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2c8086a5 | 1 | /* |
2 | * linux/arch/arm/mach-pxa/zylonite.c | |
3 | * | |
4 | * Support for the PXA3xx Development Platform (aka Zylonite) | |
5 | * | |
6 | * Copyright (C) 2006 Marvell International Ltd. | |
7 | * | |
e9bba8ee | 8 | * 2007-09-04: eric miao <eric.miao@marvell.com> |
2c8086a5 | 9 | * rewrite to align with latest kernel |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License version 2 as | |
13 | * published by the Free Software Foundation. | |
14 | */ | |
15 | ||
16 | #include <linux/module.h> | |
17 | #include <linux/kernel.h> | |
18 | #include <linux/interrupt.h> | |
19 | #include <linux/init.h> | |
20 | #include <linux/platform_device.h> | |
21 | ||
22 | #include <asm/mach-types.h> | |
23 | #include <asm/mach/arch.h> | |
24 | #include <asm/hardware.h> | |
25 | #include <asm/arch/gpio.h> | |
26 | #include <asm/arch/pxafb.h> | |
27 | #include <asm/arch/zylonite.h> | |
fafc9d3f | 28 | #include <asm/arch/mmc.h> |
2c8086a5 | 29 | |
30 | #include "generic.h" | |
31 | ||
5a1f21b1 | 32 | #define MAX_SLOTS 3 |
fafc9d3f BW |
33 | struct platform_mmc_slot zylonite_mmc_slot[MAX_SLOTS]; |
34 | ||
2c8086a5 | 35 | int gpio_backlight; |
36 | int gpio_eth_irq; | |
37 | ||
38 | int lcd_id; | |
39 | int lcd_orientation; | |
40 | ||
41 | static struct resource smc91x_resources[] = { | |
42 | [0] = { | |
43 | .start = ZYLONITE_ETH_PHYS + 0x300, | |
44 | .end = ZYLONITE_ETH_PHYS + 0xfffff, | |
45 | .flags = IORESOURCE_MEM, | |
46 | }, | |
47 | [1] = { | |
48 | .start = -1, /* for run-time assignment */ | |
49 | .end = -1, | |
e7b3dc7e | 50 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
2c8086a5 | 51 | } |
52 | }; | |
53 | ||
54 | static struct platform_device smc91x_device = { | |
55 | .name = "smc91x", | |
56 | .id = 0, | |
57 | .num_resources = ARRAY_SIZE(smc91x_resources), | |
58 | .resource = smc91x_resources, | |
59 | }; | |
60 | ||
61 | #if defined(CONFIG_FB_PXA) || (CONFIG_FB_PXA_MODULES) | |
62 | static void zylonite_backlight_power(int on) | |
63 | { | |
64 | gpio_set_value(gpio_backlight, on); | |
65 | } | |
66 | ||
67 | static struct pxafb_mode_info toshiba_ltm035a776c_mode = { | |
68 | .pixclock = 110000, | |
69 | .xres = 240, | |
70 | .yres = 320, | |
71 | .bpp = 16, | |
72 | .hsync_len = 4, | |
73 | .left_margin = 6, | |
74 | .right_margin = 4, | |
75 | .vsync_len = 2, | |
76 | .upper_margin = 2, | |
77 | .lower_margin = 3, | |
78 | .sync = FB_SYNC_VERT_HIGH_ACT, | |
79 | }; | |
80 | ||
81 | static struct pxafb_mode_info toshiba_ltm04c380k_mode = { | |
82 | .pixclock = 50000, | |
83 | .xres = 640, | |
84 | .yres = 480, | |
85 | .bpp = 16, | |
86 | .hsync_len = 1, | |
87 | .left_margin = 0x9f, | |
88 | .right_margin = 1, | |
89 | .vsync_len = 44, | |
90 | .upper_margin = 0, | |
91 | .lower_margin = 0, | |
92 | .sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, | |
93 | }; | |
94 | ||
95 | static struct pxafb_mach_info zylonite_toshiba_lcd_info = { | |
96 | .num_modes = 1, | |
97 | .lccr0 = LCCR0_Act, | |
98 | .lccr3 = LCCR3_PCP, | |
99 | .pxafb_backlight_power = zylonite_backlight_power, | |
100 | }; | |
101 | ||
102 | static struct pxafb_mode_info sharp_ls037_modes[] = { | |
103 | [0] = { | |
104 | .pixclock = 158000, | |
105 | .xres = 240, | |
106 | .yres = 320, | |
107 | .bpp = 16, | |
108 | .hsync_len = 4, | |
109 | .left_margin = 39, | |
110 | .right_margin = 39, | |
111 | .vsync_len = 1, | |
112 | .upper_margin = 2, | |
113 | .lower_margin = 3, | |
114 | .sync = 0, | |
115 | }, | |
116 | [1] = { | |
117 | .pixclock = 39700, | |
118 | .xres = 480, | |
119 | .yres = 640, | |
120 | .bpp = 16, | |
121 | .hsync_len = 8, | |
122 | .left_margin = 81, | |
123 | .right_margin = 81, | |
124 | .vsync_len = 1, | |
125 | .upper_margin = 2, | |
126 | .lower_margin = 7, | |
127 | .sync = 0, | |
128 | }, | |
129 | }; | |
130 | ||
131 | static struct pxafb_mach_info zylonite_sharp_lcd_info = { | |
132 | .modes = sharp_ls037_modes, | |
133 | .num_modes = 2, | |
134 | .lccr0 = LCCR0_Act, | |
135 | .lccr3 = LCCR3_PCP | LCCR3_HSP | LCCR3_VSP, | |
136 | .pxafb_backlight_power = zylonite_backlight_power, | |
137 | }; | |
138 | ||
139 | static void __init zylonite_init_lcd(void) | |
140 | { | |
141 | /* backlight GPIO: output, default on */ | |
142 | gpio_direction_output(gpio_backlight, 1); | |
143 | ||
144 | if (lcd_id & 0x20) { | |
145 | set_pxa_fb_info(&zylonite_sharp_lcd_info); | |
146 | return; | |
147 | } | |
148 | ||
149 | /* legacy LCD panels, it would be handy here if LCD panel type can | |
150 | * be decided at run-time | |
151 | */ | |
152 | if (1) | |
153 | zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode; | |
154 | else | |
155 | zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode; | |
156 | ||
157 | set_pxa_fb_info(&zylonite_toshiba_lcd_info); | |
158 | } | |
159 | #else | |
160 | static inline void zylonite_init_lcd(void) {} | |
161 | #endif | |
162 | ||
fafc9d3f BW |
163 | #if defined(CONFIG_MMC) |
164 | static int zylonite_mci_ro(struct device *dev) | |
165 | { | |
166 | struct platform_device *pdev = to_platform_device(dev); | |
167 | ||
168 | return gpio_get_value(zylonite_mmc_slot[pdev->id].gpio_wp); | |
169 | } | |
170 | ||
171 | static int zylonite_mci_init(struct device *dev, | |
172 | irq_handler_t zylonite_detect_int, | |
173 | void *data) | |
174 | { | |
175 | struct platform_device *pdev = to_platform_device(dev); | |
176 | int err, cd_irq, gpio_cd, gpio_wp; | |
177 | ||
178 | cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd); | |
179 | gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd; | |
180 | gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp; | |
181 | ||
182 | /* | |
183 | * setup GPIO for Zylonite MMC controller | |
184 | */ | |
185 | err = gpio_request(gpio_cd, "mmc card detect"); | |
186 | if (err) | |
187 | goto err_request_cd; | |
188 | gpio_direction_input(gpio_cd); | |
189 | ||
190 | err = gpio_request(gpio_wp, "mmc write protect"); | |
191 | if (err) | |
192 | goto err_request_wp; | |
193 | gpio_direction_input(gpio_wp); | |
194 | ||
195 | err = request_irq(cd_irq, zylonite_detect_int, | |
196 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, | |
197 | "MMC card detect", data); | |
198 | if (err) { | |
199 | printk(KERN_ERR "%s: MMC/SD/SDIO: " | |
200 | "can't request card detect IRQ\n", __func__); | |
201 | goto err_request_irq; | |
202 | } | |
203 | ||
204 | return 0; | |
205 | ||
206 | err_request_irq: | |
207 | gpio_free(gpio_wp); | |
208 | err_request_wp: | |
209 | gpio_free(gpio_cd); | |
210 | err_request_cd: | |
211 | return err; | |
212 | } | |
213 | ||
214 | static void zylonite_mci_exit(struct device *dev, void *data) | |
215 | { | |
216 | struct platform_device *pdev = to_platform_device(dev); | |
217 | int cd_irq, gpio_cd, gpio_wp; | |
218 | ||
219 | cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd); | |
220 | gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd; | |
221 | gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp; | |
222 | ||
223 | free_irq(cd_irq, data); | |
224 | gpio_free(gpio_cd); | |
225 | gpio_free(gpio_wp); | |
226 | } | |
227 | ||
228 | static struct pxamci_platform_data zylonite_mci_platform_data = { | |
229 | .detect_delay = 20, | |
230 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, | |
231 | .init = zylonite_mci_init, | |
232 | .exit = zylonite_mci_exit, | |
233 | .get_ro = zylonite_mci_ro, | |
234 | }; | |
235 | ||
8d33b055 BW |
236 | static struct pxamci_platform_data zylonite_mci2_platform_data = { |
237 | .detect_delay = 20, | |
238 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, | |
239 | }; | |
240 | ||
fafc9d3f BW |
241 | static void __init zylonite_init_mmc(void) |
242 | { | |
243 | pxa_set_mci_info(&zylonite_mci_platform_data); | |
8d33b055 | 244 | pxa3xx_set_mci2_info(&zylonite_mci2_platform_data); |
5a1f21b1 BW |
245 | if (cpu_is_pxa310()) |
246 | pxa3xx_set_mci3_info(&zylonite_mci_platform_data); | |
fafc9d3f BW |
247 | } |
248 | #else | |
249 | static inline void zylonite_init_mmc(void) {} | |
250 | #endif | |
251 | ||
2c8086a5 | 252 | static void __init zylonite_init(void) |
253 | { | |
254 | /* board-processor specific initialization */ | |
255 | zylonite_pxa300_init(); | |
256 | zylonite_pxa320_init(); | |
257 | ||
258 | /* | |
259 | * Note: We depend that the bootloader set | |
260 | * the correct value to MSC register for SMC91x. | |
261 | */ | |
262 | smc91x_resources[1].start = gpio_to_irq(gpio_eth_irq); | |
263 | smc91x_resources[1].end = gpio_to_irq(gpio_eth_irq); | |
264 | platform_device_register(&smc91x_device); | |
265 | ||
266 | zylonite_init_lcd(); | |
fafc9d3f | 267 | zylonite_init_mmc(); |
2c8086a5 | 268 | } |
269 | ||
270 | MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)") | |
271 | .phys_io = 0x40000000, | |
272 | .boot_params = 0xa0000100, | |
273 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
274 | .map_io = pxa_map_io, | |
275 | .init_irq = pxa3xx_init_irq, | |
276 | .timer = &pxa_timer, | |
277 | .init_machine = zylonite_init, | |
278 | MACHINE_END |