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authorStefan Schmidt <stefan@datenfreihafen.org>2008-07-09 03:08:17 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-07-10 08:44:55 -0400
commit9ab24e4ef0b4e0a7eb8ea897c6178139aab3b260 (patch)
tree10bc8842f0c2e94033e892f5458a6bdab46533a9 /arch/arm/mach-pxa/ezx.c
parenta5f426bda73a743fd105274fe299d446d50e692e (diff)
[ARM] 5162/1: Common code for the Motorola EZX GSM phones
Common code for the different EZX GSM phones. Functions to control framebuffer, backlight power, OHCI and UART init. Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org> Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com> Acked-by: Eric Miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-pxa/ezx.c')
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1 files changed, 220 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/ezx.c b/arch/arm/mach-pxa/ezx.c
new file mode 100644
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+++ b/arch/arm/mach-pxa/ezx.c
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1/*
2 * ezx.c - Common code for the EZX platform.
3 *
4 * Copyright (C) 2005-2006 Harald Welte <laforge@openezx.org>,
5 * 2007-2008 Daniel Ribeiro <drwyrm@gmail.com>,
6 * 2007-2008 Stefan Schmidt <stefan@datenfreihafen.org>
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 *
12 */
13
14#include <linux/kernel.h>
15#include <linux/init.h>
16#include <linux/platform_device.h>
17#include <linux/delay.h>
18#include <linux/pwm_backlight.h>
19
20#include <asm/setup.h>
21#include <asm/arch/pxafb.h>
22#include <asm/arch/ohci.h>
23#include <asm/arch/i2c.h>
24
25#include <asm/arch/mfp-pxa27x.h>
26#include <asm/arch/pxa-regs.h>
27#include <asm/arch/pxa2xx-regs.h>
28#include <asm/mach-types.h>
29#include <asm/mach/arch.h>
30
31#include "devices.h"
32#include "generic.h"
33
34static struct platform_pwm_backlight_data ezx_backlight_data = {
35 .pwm_id = 0,
36 .max_brightness = 1023,
37 .dft_brightness = 1023,
38 .pwm_period_ns = 78770,
39};
40
41static struct platform_device ezx_backlight_device = {
42 .name = "pwm-backlight",
43 .dev = {
44 .parent = &pxa27x_device_pwm0.dev,
45 .platform_data = &ezx_backlight_data,
46 },
47};
48
49static struct pxafb_mode_info mode_ezx_old = {
50 .pixclock = 150000,
51 .xres = 240,
52 .yres = 320,
53 .bpp = 16,
54 .hsync_len = 10,
55 .left_margin = 20,
56 .right_margin = 10,
57 .vsync_len = 2,
58 .upper_margin = 3,
59 .lower_margin = 2,
60 .sync = 0,
61};
62
63static struct pxafb_mach_info ezx_fb_info_1 = {
64 .modes = &mode_ezx_old,
65 .num_modes = 1,
66 .lcd_conn = LCD_COLOR_TFT_16BPP,
67};
68
69static struct pxafb_mode_info mode_72r89803y01 = {
70 .pixclock = 192308,
71 .xres = 240,
72 .yres = 320,
73 .bpp = 32,
74 .depth = 18,
75 .hsync_len = 10,
76 .left_margin = 20,
77 .right_margin = 10,
78 .vsync_len = 2,
79 .upper_margin = 3,
80 .lower_margin = 2,
81 .sync = 0,
82};
83
84static struct pxafb_mach_info ezx_fb_info_2 = {
85 .modes = &mode_72r89803y01,
86 .num_modes = 1,
87 .lcd_conn = LCD_COLOR_TFT_18BPP,
88};
89
90static struct platform_device *devices[] __initdata = {
91 &ezx_backlight_device,
92};
93
94static unsigned long ezx_pin_config[] __initdata = {
95 /* PWM backlight */
96 GPIO16_PWM0_OUT,
97
98 /* BTUART */
99 GPIO42_BTUART_RXD,
100 GPIO43_BTUART_TXD,
101 GPIO44_BTUART_CTS,
102 GPIO45_BTUART_RTS,
103
104 /* STUART */
105 GPIO46_STUART_RXD,
106 GPIO47_STUART_TXD,
107
108 /* For A780 support (connected with Neptune GSM chip) */
109 GPIO30_USB_P3_2, /* ICL_TXENB */
110 GPIO31_USB_P3_6, /* ICL_VPOUT */
111 GPIO90_USB_P3_5, /* ICL_VPIN */
112 GPIO91_USB_P3_1, /* ICL_XRXD */
113 GPIO56_USB_P3_4, /* ICL_VMOUT */
114 GPIO113_USB_P3_3, /* /ICL_VMIN */
115};
116
117static void __init ezx_init(void)
118{
119 pxa2xx_mfp_config(ARRAY_AND_SIZE(ezx_pin_config));
120 pxa_set_i2c_info(NULL);
121 if (machine_is_ezx_a780() || machine_is_ezx_e680())
122 set_pxa_fb_info(&ezx_fb_info_1);
123 else
124 set_pxa_fb_info(&ezx_fb_info_2);
125
126 platform_add_devices(devices, ARRAY_SIZE(devices));
127}
128
129static void __init ezx_fixup(struct machine_desc *desc, struct tag *tags,
130 char **cmdline, struct meminfo *mi)
131{
132 /* We have two ram chips. First one with 32MB at 0xA0000000 and a second
133 * 16MB one at 0xAC000000
134 */
135 mi->nr_banks = 2;
136 mi->bank[0].start = 0xa0000000;
137 mi->bank[0].node = 0;
138 mi->bank[0].size = (32*1024*1024);
139 mi->bank[1].start = 0xac000000;
140 mi->bank[1].node = 1;
141 mi->bank[1].size = (16*1024*1024);
142}
143
144#ifdef CONFIG_MACH_EZX_A780
145MACHINE_START(EZX_A780, "Motorola EZX A780")
146 .phys_io = 0x40000000,
147 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
148 .fixup = ezx_fixup,
149 .boot_params = 0xa0000100,
150 .map_io = pxa_map_io,
151 .init_irq = pxa27x_init_irq,
152 .timer = &pxa_timer,
153 .init_machine = &ezx_init,
154MACHINE_END
155#endif
156
157#ifdef CONFIG_MACH_EZX_E680
158MACHINE_START(EZX_E680, "Motorola EZX E680")
159 .phys_io = 0x40000000,
160 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
161 .fixup = ezx_fixup,
162 .boot_params = 0xa0000100,
163 .map_io = pxa_map_io,
164 .init_irq = pxa27x_init_irq,
165 .timer = &pxa_timer,
166 .init_machine = &ezx_init,
167MACHINE_END
168#endif
169
170#ifdef CONFIG_MACH_EZX_A1200
171MACHINE_START(EZX_A1200, "Motorola EZX A1200")
172 .phys_io = 0x40000000,
173 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
174 .fixup = ezx_fixup,
175 .boot_params = 0xa0000100,
176 .map_io = pxa_map_io,
177 .init_irq = pxa27x_init_irq,
178 .timer = &pxa_timer,
179 .init_machine = &ezx_init,
180MACHINE_END
181#endif
182
183#ifdef CONFIG_MACH_EZX_A910
184MACHINE_START(EZX_A910, "Motorola EZX A910")
185 .phys_io = 0x40000000,
186 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
187 .fixup = ezx_fixup,
188 .boot_params = 0xa0000100,
189 .map_io = pxa_map_io,
190 .init_irq = pxa27x_init_irq,
191 .timer = &pxa_timer,
192 .init_machine = &ezx_init,
193MACHINE_END
194#endif
195
196#ifdef CONFIG_MACH_EZX_E6
197MACHINE_START(EZX_E6, "Motorola EZX E6")
198 .phys_io = 0x40000000,
199 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
200 .fixup = ezx_fixup,
201 .boot_params = 0xa0000100,
202 .map_io = pxa_map_io,
203 .init_irq = pxa27x_init_irq,
204 .timer = &pxa_timer,
205 .init_machine = &ezx_init,
206MACHINE_END
207#endif
208
209#ifdef CONFIG_MACH_EZX_E2
210MACHINE_START(EZX_E2, "Motorola EZX E2")
211 .phys_io = 0x40000000,
212 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
213 .fixup = ezx_fixup,
214 .boot_params = 0xa0000100,
215 .map_io = pxa_map_io,
216 .init_irq = pxa27x_init_irq,
217 .timer = &pxa_timer,
218 .init_machine = &ezx_init,
219MACHINE_END
220#endif
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