diff options
Diffstat (limited to 'arch/arm/mach-mx3/armadillo5x0.c')
-rw-r--r-- | arch/arm/mach-mx3/armadillo5x0.c | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/arch/arm/mach-mx3/armadillo5x0.c b/arch/arm/mach-mx3/armadillo5x0.c new file mode 100644 index 000000000000..541181090b37 --- /dev/null +++ b/arch/arm/mach-mx3/armadillo5x0.c | |||
@@ -0,0 +1,295 @@ | |||
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 | |||
52 | static 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 | */ | ||
102 | static 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 | |||
137 | static struct ipu_platform_data mx3_ipu_data = { | ||
138 | .irq_base = MXC_IPU_IRQ_START, | ||
139 | }; | ||
140 | |||
141 | static 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 | */ | ||
152 | static int armadillo5x0_sdhc1_get_ro(struct device *dev) | ||
153 | { | ||
154 | return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_ATA_RESET_B)); | ||
155 | } | ||
156 | |||
157 | static 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 | |||
188 | err_gpio_free_2: | ||
189 | gpio_free(gpio_wp); | ||
190 | |||
191 | err_gpio_free: | ||
192 | gpio_free(gpio_det); | ||
193 | |||
194 | return ret; | ||
195 | |||
196 | } | ||
197 | |||
198 | static 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 | |||
205 | static 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 | */ | ||
215 | static 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 | |||
227 | static 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 | |||
233 | static 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 */ | ||
244 | static struct imxuart_platform_data uart_pdata = { | ||
245 | .flags = IMXUART_HAVE_RTSCTS, | ||
246 | }; | ||
247 | |||
248 | static struct platform_device *devices[] __initdata = { | ||
249 | &armadillo5x0_smc911x_device, | ||
250 | }; | ||
251 | |||
252 | /* | ||
253 | * Perform board specific initializations | ||
254 | */ | ||
255 | static 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 | |||
277 | static void __init armadillo5x0_timer_init(void) | ||
278 | { | ||
279 | mx31_clocks_init(26000000); | ||
280 | } | ||
281 | |||
282 | static struct sys_timer armadillo5x0_timer = { | ||
283 | .init = armadillo5x0_timer_init, | ||
284 | }; | ||
285 | |||
286 | MACHINE_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, | ||
295 | MACHINE_END | ||