Commit | Line | Data |
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80eedae6 JB |
1 | /* |
2 | * Copyright (C) 2000 Deep Blue Solutions Ltd | |
3 | * Copyright (C) 2002 Shane Nay (shane@minirl.com) | |
4 | * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
80eedae6 JB |
15 | */ |
16 | ||
17 | #include <linux/platform_device.h> | |
18 | #include <linux/mtd/mtd.h> | |
19 | #include <linux/mtd/map.h> | |
20 | #include <linux/mtd/partitions.h> | |
21 | #include <linux/mtd/physmap.h> | |
c981214a | 22 | #include <linux/i2c.h> |
60c24dc7 | 23 | #include <linux/irq.h> |
a09e64fb RK |
24 | #include <mach/common.h> |
25 | #include <mach/hardware.h> | |
80eedae6 JB |
26 | #include <asm/mach-types.h> |
27 | #include <asm/mach/arch.h> | |
28 | #include <asm/mach/time.h> | |
29 | #include <asm/mach/map.h> | |
a09e64fb RK |
30 | #include <mach/gpio.h> |
31 | #include <mach/imx-uart.h> | |
e835d88e | 32 | #include <mach/iomux-mx27.h> |
8d4fd258 | 33 | #include <mach/mxc_nand.h> |
c981214a | 34 | #include <mach/i2c.h> |
11cda13d | 35 | #include <mach/imxfb.h> |
60c24dc7 | 36 | #include <mach/mmc.h> |
80eedae6 | 37 | |
0e7a29a8 | 38 | #include "devices-imx27.h" |
7e90534a SH |
39 | #include "devices.h" |
40 | ||
1faeaab2 UKK |
41 | /* |
42 | * Base address of PBC controller, CS4 | |
43 | */ | |
44 | #define PBC_BASE_ADDRESS 0xf4300000 | |
45 | #define PBC_REG_ADDR(offset) (void __force __iomem *) \ | |
46 | (PBC_BASE_ADDRESS + (offset)) | |
47 | ||
48 | /* When the PBC address connection is fixed in h/w, defined as 1 */ | |
49 | #define PBC_ADDR_SH 0 | |
50 | ||
51 | /* Offsets for the PBC Controller register */ | |
52 | /* | |
53 | * PBC Board version register offset | |
54 | */ | |
55 | #define PBC_VERSION_REG PBC_REG_ADDR(0x00000 >> PBC_ADDR_SH) | |
56 | /* | |
57 | * PBC Board control register 1 set address. | |
58 | */ | |
59 | #define PBC_BCTRL1_SET_REG PBC_REG_ADDR(0x00008 >> PBC_ADDR_SH) | |
60 | /* | |
61 | * PBC Board control register 1 clear address. | |
62 | */ | |
63 | #define PBC_BCTRL1_CLEAR_REG PBC_REG_ADDR(0x0000C >> PBC_ADDR_SH) | |
64 | ||
65 | /* PBC Board Control Register 1 bit definitions */ | |
66 | #define PBC_BCTRL1_LCDON 0x0800 /* Enable the LCD */ | |
67 | ||
68 | /* to determine the correct external crystal reference */ | |
69 | #define CKIH_27MHZ_BIT_SET (1 << 3) | |
70 | ||
c1a6f123 VB |
71 | static unsigned int mx27ads_pins[] = { |
72 | /* UART0 */ | |
80eedae6 JB |
73 | PE12_PF_UART1_TXD, |
74 | PE13_PF_UART1_RXD, | |
75 | PE14_PF_UART1_CTS, | |
c1a6f123 VB |
76 | PE15_PF_UART1_RTS, |
77 | /* UART1 */ | |
80eedae6 JB |
78 | PE3_PF_UART2_CTS, |
79 | PE4_PF_UART2_RTS, | |
80 | PE6_PF_UART2_TXD, | |
c1a6f123 VB |
81 | PE7_PF_UART2_RXD, |
82 | /* UART2 */ | |
80eedae6 JB |
83 | PE8_PF_UART3_TXD, |
84 | PE9_PF_UART3_RXD, | |
85 | PE10_PF_UART3_CTS, | |
c1a6f123 VB |
86 | PE11_PF_UART3_RTS, |
87 | /* UART3 */ | |
80eedae6 JB |
88 | PB26_AF_UART4_RTS, |
89 | PB28_AF_UART4_TXD, | |
90 | PB29_AF_UART4_CTS, | |
c1a6f123 VB |
91 | PB31_AF_UART4_RXD, |
92 | /* UART4 */ | |
80eedae6 JB |
93 | PB18_AF_UART5_TXD, |
94 | PB19_AF_UART5_RXD, | |
95 | PB20_AF_UART5_CTS, | |
c1a6f123 VB |
96 | PB21_AF_UART5_RTS, |
97 | /* UART5 */ | |
80eedae6 JB |
98 | PB10_AF_UART6_TXD, |
99 | PB12_AF_UART6_CTS, | |
100 | PB11_AF_UART6_RXD, | |
c1a6f123 VB |
101 | PB13_AF_UART6_RTS, |
102 | /* FEC */ | |
80eedae6 JB |
103 | PD0_AIN_FEC_TXD0, |
104 | PD1_AIN_FEC_TXD1, | |
105 | PD2_AIN_FEC_TXD2, | |
106 | PD3_AIN_FEC_TXD3, | |
107 | PD4_AOUT_FEC_RX_ER, | |
108 | PD5_AOUT_FEC_RXD1, | |
109 | PD6_AOUT_FEC_RXD2, | |
110 | PD7_AOUT_FEC_RXD3, | |
111 | PD8_AF_FEC_MDIO, | |
112 | PD9_AIN_FEC_MDC, | |
113 | PD10_AOUT_FEC_CRS, | |
114 | PD11_AOUT_FEC_TX_CLK, | |
115 | PD12_AOUT_FEC_RXD0, | |
116 | PD13_AOUT_FEC_RX_DV, | |
ccfe30a7 | 117 | PD14_AOUT_FEC_RX_CLK, |
80eedae6 JB |
118 | PD15_AOUT_FEC_COL, |
119 | PD16_AIN_FEC_TX_ER, | |
c1a6f123 | 120 | PF23_AIN_FEC_TX_EN, |
c981214a VB |
121 | /* I2C2 */ |
122 | PC5_PF_I2C2_SDA, | |
123 | PC6_PF_I2C2_SCL, | |
11cda13d VB |
124 | /* FB */ |
125 | PA5_PF_LSCLK, | |
126 | PA6_PF_LD0, | |
127 | PA7_PF_LD1, | |
128 | PA8_PF_LD2, | |
129 | PA9_PF_LD3, | |
130 | PA10_PF_LD4, | |
131 | PA11_PF_LD5, | |
132 | PA12_PF_LD6, | |
133 | PA13_PF_LD7, | |
134 | PA14_PF_LD8, | |
135 | PA15_PF_LD9, | |
136 | PA16_PF_LD10, | |
137 | PA17_PF_LD11, | |
138 | PA18_PF_LD12, | |
139 | PA19_PF_LD13, | |
140 | PA20_PF_LD14, | |
141 | PA21_PF_LD15, | |
142 | PA22_PF_LD16, | |
143 | PA23_PF_LD17, | |
144 | PA24_PF_REV, | |
145 | PA25_PF_CLS, | |
146 | PA26_PF_PS, | |
147 | PA27_PF_SPL_SPR, | |
148 | PA28_PF_HSYNC, | |
149 | PA29_PF_VSYNC, | |
150 | PA30_PF_CONTRAST, | |
151 | PA31_PF_OE_ACD, | |
9366d8f6 VB |
152 | /* OWIRE */ |
153 | PE16_AF_OWIRE, | |
60c24dc7 VB |
154 | /* SDHC1*/ |
155 | PE18_PF_SD1_D0, | |
156 | PE19_PF_SD1_D1, | |
157 | PE20_PF_SD1_D2, | |
158 | PE21_PF_SD1_D3, | |
159 | PE22_PF_SD1_CMD, | |
160 | PE23_PF_SD1_CLK, | |
161 | /* SDHC2*/ | |
162 | PB4_PF_SD2_D0, | |
163 | PB5_PF_SD2_D1, | |
164 | PB6_PF_SD2_D2, | |
165 | PB7_PF_SD2_D3, | |
166 | PB8_PF_SD2_CMD, | |
167 | PB9_PF_SD2_CLK, | |
80eedae6 JB |
168 | }; |
169 | ||
0e7a29a8 UKK |
170 | static const struct mxc_nand_platform_data |
171 | mx27ads_nand_board_info __initconst = { | |
8d4fd258 VB |
172 | .width = 1, |
173 | .hw_ecc = 1, | |
174 | }; | |
175 | ||
c1a6f123 VB |
176 | /* ADS's NOR flash */ |
177 | static struct physmap_flash_data mx27ads_flash_data = { | |
178 | .width = 2, | |
179 | }; | |
180 | ||
181 | static struct resource mx27ads_flash_resource = { | |
182 | .start = 0xc0000000, | |
183 | .end = 0xc0000000 + 0x02000000 - 1, | |
184 | .flags = IORESOURCE_MEM, | |
185 | ||
186 | }; | |
187 | ||
188 | static struct platform_device mx27ads_nor_mtd_device = { | |
189 | .name = "physmap-flash", | |
190 | .id = 0, | |
191 | .dev = { | |
192 | .platform_data = &mx27ads_flash_data, | |
193 | }, | |
194 | .num_resources = 1, | |
195 | .resource = &mx27ads_flash_resource, | |
196 | }; | |
197 | ||
c981214a VB |
198 | static struct imxi2c_platform_data mx27ads_i2c_data = { |
199 | .bitrate = 100000, | |
200 | }; | |
201 | ||
202 | static struct i2c_board_info mx27ads_i2c_devices[] = { | |
203 | }; | |
204 | ||
11cda13d VB |
205 | void lcd_power(int on) |
206 | { | |
207 | if (on) | |
208 | __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_SET_REG); | |
209 | else | |
210 | __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_CLEAR_REG); | |
211 | } | |
212 | ||
343684ff SH |
213 | static struct imx_fb_videomode mx27ads_modes[] = { |
214 | { | |
215 | .mode = { | |
216 | .name = "Sharp-LQ035Q7", | |
217 | .refresh = 60, | |
218 | .xres = 240, | |
219 | .yres = 320, | |
220 | .pixclock = 188679, /* in ps (5.3MHz) */ | |
221 | .hsync_len = 1, | |
222 | .left_margin = 9, | |
223 | .right_margin = 16, | |
224 | .vsync_len = 1, | |
225 | .upper_margin = 7, | |
226 | .lower_margin = 9, | |
227 | }, | |
228 | .bpp = 16, | |
229 | .pcr = 0xFB008BC0, | |
230 | }, | |
231 | }; | |
11cda13d | 232 | |
343684ff SH |
233 | static struct imx_fb_platform_data mx27ads_fb_data = { |
234 | .mode = mx27ads_modes, | |
235 | .num_modes = ARRAY_SIZE(mx27ads_modes), | |
11cda13d VB |
236 | |
237 | /* | |
238 | * - HSYNC active high | |
239 | * - VSYNC active high | |
240 | * - clk notenabled while idle | |
241 | * - clock inverted | |
242 | * - data not inverted | |
243 | * - data enable low active | |
244 | * - enable sharp mode | |
245 | */ | |
11cda13d VB |
246 | .pwmr = 0x00A903FF, |
247 | .lscr1 = 0x00120300, | |
248 | .dmacr = 0x00020010, | |
249 | ||
250 | .lcd_power = lcd_power, | |
251 | }; | |
252 | ||
60c24dc7 VB |
253 | static int mx27ads_sdhc1_init(struct device *dev, irq_handler_t detect_irq, |
254 | void *data) | |
255 | { | |
256 | return request_irq(IRQ_GPIOE(21), detect_irq, IRQF_TRIGGER_RISING, | |
257 | "sdhc1-card-detect", data); | |
258 | } | |
259 | ||
260 | static int mx27ads_sdhc2_init(struct device *dev, irq_handler_t detect_irq, | |
261 | void *data) | |
262 | { | |
263 | return request_irq(IRQ_GPIOB(7), detect_irq, IRQF_TRIGGER_RISING, | |
264 | "sdhc2-card-detect", data); | |
265 | } | |
266 | ||
267 | static void mx27ads_sdhc1_exit(struct device *dev, void *data) | |
268 | { | |
269 | free_irq(IRQ_GPIOE(21), data); | |
270 | } | |
271 | ||
272 | static void mx27ads_sdhc2_exit(struct device *dev, void *data) | |
273 | { | |
274 | free_irq(IRQ_GPIOB(7), data); | |
275 | } | |
276 | ||
277 | static struct imxmmc_platform_data sdhc1_pdata = { | |
278 | .init = mx27ads_sdhc1_init, | |
279 | .exit = mx27ads_sdhc1_exit, | |
280 | }; | |
281 | ||
282 | static struct imxmmc_platform_data sdhc2_pdata = { | |
283 | .init = mx27ads_sdhc2_init, | |
284 | .exit = mx27ads_sdhc2_exit, | |
285 | }; | |
286 | ||
c1a6f123 VB |
287 | static struct platform_device *platform_devices[] __initdata = { |
288 | &mx27ads_nor_mtd_device, | |
289 | &mxc_fec_device, | |
9366d8f6 | 290 | &mxc_w1_master_device, |
c1a6f123 | 291 | }; |
80eedae6 | 292 | |
80eedae6 JB |
293 | static struct imxuart_platform_data uart_pdata[] = { |
294 | { | |
80eedae6 JB |
295 | .flags = IMXUART_HAVE_RTSCTS, |
296 | }, { | |
80eedae6 JB |
297 | .flags = IMXUART_HAVE_RTSCTS, |
298 | }, { | |
80eedae6 JB |
299 | .flags = IMXUART_HAVE_RTSCTS, |
300 | }, { | |
80eedae6 JB |
301 | .flags = IMXUART_HAVE_RTSCTS, |
302 | }, { | |
80eedae6 JB |
303 | .flags = IMXUART_HAVE_RTSCTS, |
304 | }, { | |
80eedae6 JB |
305 | .flags = IMXUART_HAVE_RTSCTS, |
306 | }, | |
307 | }; | |
308 | ||
309 | static void __init mx27ads_board_init(void) | |
310 | { | |
c1a6f123 VB |
311 | mxc_gpio_setup_multiple_pins(mx27ads_pins, ARRAY_SIZE(mx27ads_pins), |
312 | "mx27ads"); | |
80eedae6 | 313 | |
551823e7 UKK |
314 | mxc_register_device(&imx2x_uart_device0, &uart_pdata[0]); |
315 | mxc_register_device(&imx2x_uart_device1, &uart_pdata[1]); | |
316 | mxc_register_device(&imx2x_uart_device2, &uart_pdata[2]); | |
317 | mxc_register_device(&imx2x_uart_device3, &uart_pdata[3]); | |
318 | mxc_register_device(&imx2x_uart_device4, &uart_pdata[4]); | |
319 | mxc_register_device(&imx2x_uart_device5, &uart_pdata[5]); | |
0e7a29a8 | 320 | imx27_add_mxc_nand(&mx27ads_nand_board_info); |
c981214a VB |
321 | |
322 | /* only the i2c master 1 is used on this CPU card */ | |
323 | i2c_register_board_info(1, mx27ads_i2c_devices, | |
324 | ARRAY_SIZE(mx27ads_i2c_devices)); | |
325 | mxc_register_device(&mxc_i2c_device1, &mx27ads_i2c_data); | |
11cda13d | 326 | mxc_register_device(&mxc_fb_device, &mx27ads_fb_data); |
60c24dc7 VB |
327 | mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata); |
328 | mxc_register_device(&mxc_sdhc_device1, &sdhc2_pdata); | |
80eedae6 JB |
329 | |
330 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | |
331 | } | |
332 | ||
333 | static void __init mx27ads_timer_init(void) | |
334 | { | |
335 | unsigned long fref = 26000000; | |
336 | ||
337 | if ((__raw_readw(PBC_VERSION_REG) & CKIH_27MHZ_BIT_SET) == 0) | |
338 | fref = 27000000; | |
339 | ||
30c730f8 | 340 | mx27_clocks_init(fref); |
80eedae6 JB |
341 | } |
342 | ||
058b7a6f | 343 | static struct sys_timer mx27ads_timer = { |
80eedae6 JB |
344 | .init = mx27ads_timer_init, |
345 | }; | |
346 | ||
347 | static struct map_desc mx27ads_io_desc[] __initdata = { | |
348 | { | |
349 | .virtual = PBC_BASE_ADDRESS, | |
3f35d1f5 | 350 | .pfn = __phys_to_pfn(MX27_CS4_BASE_ADDR), |
80eedae6 JB |
351 | .length = SZ_1M, |
352 | .type = MT_DEVICE, | |
353 | }, | |
354 | }; | |
355 | ||
058b7a6f | 356 | static void __init mx27ads_map_io(void) |
80eedae6 | 357 | { |
cd4a05f9 | 358 | mx27_map_io(); |
80eedae6 JB |
359 | iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc)); |
360 | } | |
361 | ||
362 | MACHINE_START(MX27ADS, "Freescale i.MX27ADS") | |
363 | /* maintainer: Freescale Semiconductor, Inc. */ | |
3f35d1f5 UKK |
364 | .phys_io = MX27_AIPI_BASE_ADDR, |
365 | .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | |
34101237 | 366 | .boot_params = MX27_PHYS_OFFSET + 0x100, |
80eedae6 | 367 | .map_io = mx27ads_map_io, |
c5aa0ad0 | 368 | .init_irq = mx27_init_irq, |
80eedae6 JB |
369 | .init_machine = mx27ads_board_init, |
370 | .timer = &mx27ads_timer, | |
371 | MACHINE_END |