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diff --git a/arch/arm/mach-mx3/armadillo5x0.c b/arch/arm/mach-mx3/armadillo5x0.c
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1/*
2 * armadillo5x0.c
3 *
4 * Copyright 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
5 * updates in http://alberdroid.blogspot.com/
6 *
7 * Based on Atmark Techno, Inc. armadillo 500 BSP 2008
8 * Based on mx31ads.c and pcm037.c Great Work!
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 as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
23 * MA 02110-1301, USA.
24 */
25
26#include <linux/types.h>
27#include <linux/init.h>
28#include <linux/clk.h>
29#include <linux/platform_device.h>
30#include <linux/gpio.h>
31#include <linux/smsc911x.h>
32#include <linux/interrupt.h>
33#include <linux/irq.h>
34
35#include <mach/hardware.h>
36#include <asm/mach-types.h>
37#include <asm/mach/arch.h>
38#include <asm/mach/time.h>
39#include <asm/memory.h>
40#include <asm/mach/map.h>
41
42#include <mach/common.h>
43#include <mach/imx-uart.h>
44#include <mach/iomux-mx3.h>
45#include <mach/board-armadillo5x0.h>
46#include <mach/mmc.h>
47#include <mach/ipu.h>
48#include <mach/mx3fb.h>
49
50#include "devices.h"
51
52static int armadillo5x0_pins[] = {
53 /* UART1 */
54 MX31_PIN_CTS1__CTS1,
55 MX31_PIN_RTS1__RTS1,
56 MX31_PIN_TXD1__TXD1,
57 MX31_PIN_RXD1__RXD1,
58 /* UART2 */
59 MX31_PIN_CTS2__CTS2,
60 MX31_PIN_RTS2__RTS2,
61 MX31_PIN_TXD2__TXD2,
62 MX31_PIN_RXD2__RXD2,
63 /* LAN9118_IRQ */
64 IOMUX_MODE(MX31_PIN_GPIO1_0, IOMUX_CONFIG_GPIO),
65 /* SDHC1 */
66 MX31_PIN_SD1_DATA3__SD1_DATA3,
67 MX31_PIN_SD1_DATA2__SD1_DATA2,
68 MX31_PIN_SD1_DATA1__SD1_DATA1,
69 MX31_PIN_SD1_DATA0__SD1_DATA0,
70 MX31_PIN_SD1_CLK__SD1_CLK,
71 MX31_PIN_SD1_CMD__SD1_CMD,
72 /* Framebuffer */
73 MX31_PIN_LD0__LD0,
74 MX31_PIN_LD1__LD1,
75 MX31_PIN_LD2__LD2,
76 MX31_PIN_LD3__LD3,
77 MX31_PIN_LD4__LD4,
78 MX31_PIN_LD5__LD5,
79 MX31_PIN_LD6__LD6,
80 MX31_PIN_LD7__LD7,
81 MX31_PIN_LD8__LD8,
82 MX31_PIN_LD9__LD9,
83 MX31_PIN_LD10__LD10,
84 MX31_PIN_LD11__LD11,
85 MX31_PIN_LD12__LD12,
86 MX31_PIN_LD13__LD13,
87 MX31_PIN_LD14__LD14,
88 MX31_PIN_LD15__LD15,
89 MX31_PIN_LD16__LD16,
90 MX31_PIN_LD17__LD17,
91 MX31_PIN_VSYNC3__VSYNC3,
92 MX31_PIN_HSYNC__HSYNC,
93 MX31_PIN_FPSHIFT__FPSHIFT,
94 MX31_PIN_DRDY0__DRDY0,
95 IOMUX_MODE(MX31_PIN_LCS1, IOMUX_CONFIG_GPIO), /*ADV7125_PSAVE*/
96
97};
98
99/*
100 * FB support
101 */
102static const struct fb_videomode fb_modedb[] = {
103 { /* 640x480 @ 60 Hz */
104 .name = "CRT-VGA",
105 .refresh = 60,
106 .xres = 640,
107 .yres = 480,
108 .pixclock = 39721,
109 .left_margin = 35,
110 .right_margin = 115,
111 .upper_margin = 43,
112 .lower_margin = 1,
113 .hsync_len = 10,
114 .vsync_len = 1,
115 .sync = FB_SYNC_OE_ACT_HIGH,
116 .vmode = FB_VMODE_NONINTERLACED,
117 .flag = 0,
118 }, {/* 800x600 @ 56 Hz */
119 .name = "CRT-SVGA",
120 .refresh = 56,
121 .xres = 800,
122 .yres = 600,
123 .pixclock = 30000,
124 .left_margin = 30,
125 .right_margin = 108,
126 .upper_margin = 13,
127 .lower_margin = 10,
128 .hsync_len = 10,
129 .vsync_len = 1,
130 .sync = FB_SYNC_OE_ACT_HIGH | FB_SYNC_HOR_HIGH_ACT |
131 FB_SYNC_VERT_HIGH_ACT,
132 .vmode = FB_VMODE_NONINTERLACED,
133 .flag = 0,
134 },
135};
136
137static struct ipu_platform_data mx3_ipu_data = {
138 .irq_base = MXC_IPU_IRQ_START,
139};
140
141static struct mx3fb_platform_data mx3fb_pdata = {
142 .dma_dev = &mx3_ipu.dev,
143 .name = "CRT-VGA",
144 .mode = fb_modedb,
145 .num_modes = ARRAY_SIZE(fb_modedb),
146};
147
148/*
149 * SDHC 1
150 * MMC support
151 */
152static int armadillo5x0_sdhc1_get_ro(struct device *dev)
153{
154 return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B));
155}
156
157static int armadillo5x0_sdhc1_init(struct device *dev,
158 irq_handler_t detect_irq, void *data)
159{
160 int ret;
161 int gpio_det, gpio_wp;
162
163 gpio_det = IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK);
164 gpio_wp = IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B);
165
166 ret = gpio_request(gpio_det, "sdhc-card-detect");
167 if (ret)
168 return ret;
169
170 gpio_direction_input(gpio_det);
171
172 ret = gpio_request(gpio_wp, "sdhc-write-protect");
173 if (ret)
174 goto err_gpio_free;
175
176 gpio_direction_input(gpio_wp);
177
178 /* When supported the trigger type have to be BOTH */
179 ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_ATA_DMACK), detect_irq,
180 IRQF_DISABLED | IRQF_TRIGGER_FALLING,
181 "sdhc-detect", data);
182
183 if (ret)
184 goto err_gpio_free_2;
185
186 return 0;
187
188err_gpio_free_2:
189 gpio_free(gpio_wp);
190
191err_gpio_free:
192 gpio_free(gpio_det);
193
194 return ret;
195
196}
197
198static void armadillo5x0_sdhc1_exit(struct device *dev, void *data)
199{
200 free_irq(IOMUX_TO_IRQ(MX31_PIN_ATA_DMACK), data);
201 gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_DMACK));
202 gpio_free(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B));
203}
204
205static struct imxmmc_platform_data sdhc_pdata = {
206 .get_ro = armadillo5x0_sdhc1_get_ro,
207 .init = armadillo5x0_sdhc1_init,
208 .exit = armadillo5x0_sdhc1_exit,
209};
210
211/*
212 * SMSC 9118
213 * Network support
214 */
215static struct resource armadillo5x0_smc911x_resources[] = {
216 {
217 .start = CS3_BASE_ADDR,
218 .end = CS3_BASE_ADDR + SZ_32M - 1,
219 .flags = IORESOURCE_MEM,
220 }, {
221 .start = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
222 .end = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
223 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
224 },
225};
226
227static struct smsc911x_platform_config smsc911x_info = {
228 .flags = SMSC911X_USE_32BIT,
229 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
230 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
231};
232
233static struct platform_device armadillo5x0_smc911x_device = {
234 .name = "smsc911x",
235 .id = -1,
236 .num_resources = ARRAY_SIZE(armadillo5x0_smc911x_resources),
237 .resource = armadillo5x0_smc911x_resources,
238 .dev = {
239 .platform_data = &smsc911x_info,
240 },
241};
242
243/* UART device data */
244static struct imxuart_platform_data uart_pdata = {
245 .flags = IMXUART_HAVE_RTSCTS,
246};
247
248static struct platform_device *devices[] __initdata = {
249 &armadillo5x0_smc911x_device,
250};
251
252/*
253 * Perform board specific initializations
254 */
255static void __init armadillo5x0_init(void)
256{
257 mxc_iomux_setup_multiple_pins(armadillo5x0_pins,
258 ARRAY_SIZE(armadillo5x0_pins), "armadillo5x0");
259
260 platform_add_devices(devices, ARRAY_SIZE(devices));
261
262 /* Register UART */
263 mxc_register_device(&mxc_uart_device0, &uart_pdata);
264 mxc_register_device(&mxc_uart_device1, &uart_pdata);
265
266 /* SMSC9118 IRQ pin */
267 gpio_direction_input(MX31_PIN_GPIO1_0);
268
269 /* Register SDHC */
270 mxc_register_device(&mxcsdhc_device0, &sdhc_pdata);
271
272 /* Register FB */
273 mxc_register_device(&mx3_ipu, &mx3_ipu_data);
274 mxc_register_device(&mx3_fb, &mx3fb_pdata);
275}
276
277static void __init armadillo5x0_timer_init(void)
278{
279 mx31_clocks_init(26000000);
280}
281
282static struct sys_timer armadillo5x0_timer = {
283 .init = armadillo5x0_timer_init,
284};
285
286MACHINE_START(ARMADILLO5X0, "Armadillo-500")
287 /* Maintainer: Alberto Panizzo */
288 .phys_io = AIPS1_BASE_ADDR,
289 .io_pg_offst = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
290 .boot_params = PHYS_OFFSET + 0x00000100,
291 .map_io = mx31_map_io,
292 .init_irq = mxc_init_irq,
293 .timer = &armadillo5x0_timer,
294 .init_machine = armadillo5x0_init,
295MACHINE_END