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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. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | */ | |
20 | ||
21 | #include <linux/platform_device.h> | |
22 | #include <linux/mtd/mtd.h> | |
23 | #include <linux/mtd/map.h> | |
24 | #include <linux/mtd/partitions.h> | |
25 | #include <linux/mtd/physmap.h> | |
c981214a | 26 | #include <linux/i2c.h> |
60c24dc7 | 27 | #include <linux/irq.h> |
a09e64fb RK |
28 | #include <mach/common.h> |
29 | #include <mach/hardware.h> | |
80eedae6 JB |
30 | #include <asm/mach-types.h> |
31 | #include <asm/mach/arch.h> | |
32 | #include <asm/mach/time.h> | |
33 | #include <asm/mach/map.h> | |
a09e64fb RK |
34 | #include <mach/gpio.h> |
35 | #include <mach/imx-uart.h> | |
e835d88e | 36 | #include <mach/iomux-mx27.h> |
8d4fd258 | 37 | #include <mach/mxc_nand.h> |
c981214a | 38 | #include <mach/i2c.h> |
11cda13d | 39 | #include <mach/imxfb.h> |
60c24dc7 | 40 | #include <mach/mmc.h> |
80eedae6 | 41 | |
7e90534a SH |
42 | #include "devices.h" |
43 | ||
1faeaab2 UKK |
44 | /* |
45 | * Base address of PBC controller, CS4 | |
46 | */ | |
47 | #define PBC_BASE_ADDRESS 0xf4300000 | |
48 | #define PBC_REG_ADDR(offset) (void __force __iomem *) \ | |
49 | (PBC_BASE_ADDRESS + (offset)) | |
50 | ||
51 | /* When the PBC address connection is fixed in h/w, defined as 1 */ | |
52 | #define PBC_ADDR_SH 0 | |
53 | ||
54 | /* Offsets for the PBC Controller register */ | |
55 | /* | |
56 | * PBC Board version register offset | |
57 | */ | |
58 | #define PBC_VERSION_REG PBC_REG_ADDR(0x00000 >> PBC_ADDR_SH) | |
59 | /* | |
60 | * PBC Board control register 1 set address. | |
61 | */ | |
62 | #define PBC_BCTRL1_SET_REG PBC_REG_ADDR(0x00008 >> PBC_ADDR_SH) | |
63 | /* | |
64 | * PBC Board control register 1 clear address. | |
65 | */ | |
66 | #define PBC_BCTRL1_CLEAR_REG PBC_REG_ADDR(0x0000C >> PBC_ADDR_SH) | |
67 | ||
68 | /* PBC Board Control Register 1 bit definitions */ | |
69 | #define PBC_BCTRL1_LCDON 0x0800 /* Enable the LCD */ | |
70 | ||
71 | /* to determine the correct external crystal reference */ | |
72 | #define CKIH_27MHZ_BIT_SET (1 << 3) | |
73 | ||
c1a6f123 VB |
74 | static unsigned int mx27ads_pins[] = { |
75 | /* UART0 */ | |
80eedae6 JB |
76 | PE12_PF_UART1_TXD, |
77 | PE13_PF_UART1_RXD, | |
78 | PE14_PF_UART1_CTS, | |
c1a6f123 VB |
79 | PE15_PF_UART1_RTS, |
80 | /* UART1 */ | |
80eedae6 JB |
81 | PE3_PF_UART2_CTS, |
82 | PE4_PF_UART2_RTS, | |
83 | PE6_PF_UART2_TXD, | |
c1a6f123 VB |
84 | PE7_PF_UART2_RXD, |
85 | /* UART2 */ | |
80eedae6 JB |
86 | PE8_PF_UART3_TXD, |
87 | PE9_PF_UART3_RXD, | |
88 | PE10_PF_UART3_CTS, | |
c1a6f123 VB |
89 | PE11_PF_UART3_RTS, |
90 | /* UART3 */ | |
80eedae6 JB |
91 | PB26_AF_UART4_RTS, |
92 | PB28_AF_UART4_TXD, | |
93 | PB29_AF_UART4_CTS, | |
c1a6f123 VB |
94 | PB31_AF_UART4_RXD, |
95 | /* UART4 */ | |
80eedae6 JB |
96 | PB18_AF_UART5_TXD, |
97 | PB19_AF_UART5_RXD, | |
98 | PB20_AF_UART5_CTS, | |
c1a6f123 VB |
99 | PB21_AF_UART5_RTS, |
100 | /* UART5 */ | |
80eedae6 JB |
101 | PB10_AF_UART6_TXD, |
102 | PB12_AF_UART6_CTS, | |
103 | PB11_AF_UART6_RXD, | |
c1a6f123 VB |
104 | PB13_AF_UART6_RTS, |
105 | /* FEC */ | |
80eedae6 JB |
106 | PD0_AIN_FEC_TXD0, |
107 | PD1_AIN_FEC_TXD1, | |
108 | PD2_AIN_FEC_TXD2, | |
109 | PD3_AIN_FEC_TXD3, | |
110 | PD4_AOUT_FEC_RX_ER, | |
111 | PD5_AOUT_FEC_RXD1, | |
112 | PD6_AOUT_FEC_RXD2, | |
113 | PD7_AOUT_FEC_RXD3, | |
114 | PD8_AF_FEC_MDIO, | |
115 | PD9_AIN_FEC_MDC, | |
116 | PD10_AOUT_FEC_CRS, | |
117 | PD11_AOUT_FEC_TX_CLK, | |
118 | PD12_AOUT_FEC_RXD0, | |
119 | PD13_AOUT_FEC_RX_DV, | |
ccfe30a7 | 120 | PD14_AOUT_FEC_RX_CLK, |
80eedae6 JB |
121 | PD15_AOUT_FEC_COL, |
122 | PD16_AIN_FEC_TX_ER, | |
c1a6f123 | 123 | PF23_AIN_FEC_TX_EN, |
c981214a VB |
124 | /* I2C2 */ |
125 | PC5_PF_I2C2_SDA, | |
126 | PC6_PF_I2C2_SCL, | |
11cda13d VB |
127 | /* FB */ |
128 | PA5_PF_LSCLK, | |
129 | PA6_PF_LD0, | |
130 | PA7_PF_LD1, | |
131 | PA8_PF_LD2, | |
132 | PA9_PF_LD3, | |
133 | PA10_PF_LD4, | |
134 | PA11_PF_LD5, | |
135 | PA12_PF_LD6, | |
136 | PA13_PF_LD7, | |
137 | PA14_PF_LD8, | |
138 | PA15_PF_LD9, | |
139 | PA16_PF_LD10, | |
140 | PA17_PF_LD11, | |
141 | PA18_PF_LD12, | |
142 | PA19_PF_LD13, | |
143 | PA20_PF_LD14, | |
144 | PA21_PF_LD15, | |
145 | PA22_PF_LD16, | |
146 | PA23_PF_LD17, | |
147 | PA24_PF_REV, | |
148 | PA25_PF_CLS, | |
149 | PA26_PF_PS, | |
150 | PA27_PF_SPL_SPR, | |
151 | PA28_PF_HSYNC, | |
152 | PA29_PF_VSYNC, | |
153 | PA30_PF_CONTRAST, | |
154 | PA31_PF_OE_ACD, | |
9366d8f6 VB |
155 | /* OWIRE */ |
156 | PE16_AF_OWIRE, | |
60c24dc7 VB |
157 | /* SDHC1*/ |
158 | PE18_PF_SD1_D0, | |
159 | PE19_PF_SD1_D1, | |
160 | PE20_PF_SD1_D2, | |
161 | PE21_PF_SD1_D3, | |
162 | PE22_PF_SD1_CMD, | |
163 | PE23_PF_SD1_CLK, | |
164 | /* SDHC2*/ | |
165 | PB4_PF_SD2_D0, | |
166 | PB5_PF_SD2_D1, | |
167 | PB6_PF_SD2_D2, | |
168 | PB7_PF_SD2_D3, | |
169 | PB8_PF_SD2_CMD, | |
170 | PB9_PF_SD2_CLK, | |
80eedae6 JB |
171 | }; |
172 | ||
8d4fd258 VB |
173 | static struct mxc_nand_platform_data mx27ads_nand_board_info = { |
174 | .width = 1, | |
175 | .hw_ecc = 1, | |
176 | }; | |
177 | ||
c1a6f123 VB |
178 | /* ADS's NOR flash */ |
179 | static struct physmap_flash_data mx27ads_flash_data = { | |
180 | .width = 2, | |
181 | }; | |
182 | ||
183 | static struct resource mx27ads_flash_resource = { | |
184 | .start = 0xc0000000, | |
185 | .end = 0xc0000000 + 0x02000000 - 1, | |
186 | .flags = IORESOURCE_MEM, | |
187 | ||
188 | }; | |
189 | ||
190 | static struct platform_device mx27ads_nor_mtd_device = { | |
191 | .name = "physmap-flash", | |
192 | .id = 0, | |
193 | .dev = { | |
194 | .platform_data = &mx27ads_flash_data, | |
195 | }, | |
196 | .num_resources = 1, | |
197 | .resource = &mx27ads_flash_resource, | |
198 | }; | |
199 | ||
c981214a VB |
200 | static struct imxi2c_platform_data mx27ads_i2c_data = { |
201 | .bitrate = 100000, | |
202 | }; | |
203 | ||
204 | static struct i2c_board_info mx27ads_i2c_devices[] = { | |
205 | }; | |
206 | ||
11cda13d VB |
207 | void lcd_power(int on) |
208 | { | |
209 | if (on) | |
210 | __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_SET_REG); | |
211 | else | |
212 | __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_CLEAR_REG); | |
213 | } | |
214 | ||
343684ff SH |
215 | static struct imx_fb_videomode mx27ads_modes[] = { |
216 | { | |
217 | .mode = { | |
218 | .name = "Sharp-LQ035Q7", | |
219 | .refresh = 60, | |
220 | .xres = 240, | |
221 | .yres = 320, | |
222 | .pixclock = 188679, /* in ps (5.3MHz) */ | |
223 | .hsync_len = 1, | |
224 | .left_margin = 9, | |
225 | .right_margin = 16, | |
226 | .vsync_len = 1, | |
227 | .upper_margin = 7, | |
228 | .lower_margin = 9, | |
229 | }, | |
230 | .bpp = 16, | |
231 | .pcr = 0xFB008BC0, | |
232 | }, | |
233 | }; | |
11cda13d | 234 | |
343684ff SH |
235 | static struct imx_fb_platform_data mx27ads_fb_data = { |
236 | .mode = mx27ads_modes, | |
237 | .num_modes = ARRAY_SIZE(mx27ads_modes), | |
11cda13d VB |
238 | |
239 | /* | |
240 | * - HSYNC active high | |
241 | * - VSYNC active high | |
242 | * - clk notenabled while idle | |
243 | * - clock inverted | |
244 | * - data not inverted | |
245 | * - data enable low active | |
246 | * - enable sharp mode | |
247 | */ | |
11cda13d VB |
248 | .pwmr = 0x00A903FF, |
249 | .lscr1 = 0x00120300, | |
250 | .dmacr = 0x00020010, | |
251 | ||
252 | .lcd_power = lcd_power, | |
253 | }; | |
254 | ||
60c24dc7 VB |
255 | static int mx27ads_sdhc1_init(struct device *dev, irq_handler_t detect_irq, |
256 | void *data) | |
257 | { | |
258 | return request_irq(IRQ_GPIOE(21), detect_irq, IRQF_TRIGGER_RISING, | |
259 | "sdhc1-card-detect", data); | |
260 | } | |
261 | ||
262 | static int mx27ads_sdhc2_init(struct device *dev, irq_handler_t detect_irq, | |
263 | void *data) | |
264 | { | |
265 | return request_irq(IRQ_GPIOB(7), detect_irq, IRQF_TRIGGER_RISING, | |
266 | "sdhc2-card-detect", data); | |
267 | } | |
268 | ||
269 | static void mx27ads_sdhc1_exit(struct device *dev, void *data) | |
270 | { | |
271 | free_irq(IRQ_GPIOE(21), data); | |
272 | } | |
273 | ||
274 | static void mx27ads_sdhc2_exit(struct device *dev, void *data) | |
275 | { | |
276 | free_irq(IRQ_GPIOB(7), data); | |
277 | } | |
278 | ||
279 | static struct imxmmc_platform_data sdhc1_pdata = { | |
280 | .init = mx27ads_sdhc1_init, | |
281 | .exit = mx27ads_sdhc1_exit, | |
282 | }; | |
283 | ||
284 | static struct imxmmc_platform_data sdhc2_pdata = { | |
285 | .init = mx27ads_sdhc2_init, | |
286 | .exit = mx27ads_sdhc2_exit, | |
287 | }; | |
288 | ||
c1a6f123 VB |
289 | static struct platform_device *platform_devices[] __initdata = { |
290 | &mx27ads_nor_mtd_device, | |
291 | &mxc_fec_device, | |
9366d8f6 | 292 | &mxc_w1_master_device, |
c1a6f123 | 293 | }; |
80eedae6 | 294 | |
80eedae6 JB |
295 | static struct imxuart_platform_data uart_pdata[] = { |
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 | }, { | |
80eedae6 JB |
307 | .flags = IMXUART_HAVE_RTSCTS, |
308 | }, | |
309 | }; | |
310 | ||
311 | static void __init mx27ads_board_init(void) | |
312 | { | |
c1a6f123 VB |
313 | mxc_gpio_setup_multiple_pins(mx27ads_pins, ARRAY_SIZE(mx27ads_pins), |
314 | "mx27ads"); | |
80eedae6 | 315 | |
551823e7 UKK |
316 | mxc_register_device(&imx2x_uart_device0, &uart_pdata[0]); |
317 | mxc_register_device(&imx2x_uart_device1, &uart_pdata[1]); | |
318 | mxc_register_device(&imx2x_uart_device2, &uart_pdata[2]); | |
319 | mxc_register_device(&imx2x_uart_device3, &uart_pdata[3]); | |
320 | mxc_register_device(&imx2x_uart_device4, &uart_pdata[4]); | |
321 | mxc_register_device(&imx2x_uart_device5, &uart_pdata[5]); | |
3636a145 | 322 | mxc_register_device(&imx27_nand_device, &mx27ads_nand_board_info); |
c981214a VB |
323 | |
324 | /* only the i2c master 1 is used on this CPU card */ | |
325 | i2c_register_board_info(1, mx27ads_i2c_devices, | |
326 | ARRAY_SIZE(mx27ads_i2c_devices)); | |
327 | mxc_register_device(&mxc_i2c_device1, &mx27ads_i2c_data); | |
11cda13d | 328 | mxc_register_device(&mxc_fb_device, &mx27ads_fb_data); |
60c24dc7 VB |
329 | mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata); |
330 | mxc_register_device(&mxc_sdhc_device1, &sdhc2_pdata); | |
80eedae6 JB |
331 | |
332 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | |
333 | } | |
334 | ||
335 | static void __init mx27ads_timer_init(void) | |
336 | { | |
337 | unsigned long fref = 26000000; | |
338 | ||
339 | if ((__raw_readw(PBC_VERSION_REG) & CKIH_27MHZ_BIT_SET) == 0) | |
340 | fref = 27000000; | |
341 | ||
30c730f8 | 342 | mx27_clocks_init(fref); |
80eedae6 JB |
343 | } |
344 | ||
058b7a6f | 345 | static struct sys_timer mx27ads_timer = { |
80eedae6 JB |
346 | .init = mx27ads_timer_init, |
347 | }; | |
348 | ||
349 | static struct map_desc mx27ads_io_desc[] __initdata = { | |
350 | { | |
351 | .virtual = PBC_BASE_ADDRESS, | |
3f35d1f5 | 352 | .pfn = __phys_to_pfn(MX27_CS4_BASE_ADDR), |
80eedae6 JB |
353 | .length = SZ_1M, |
354 | .type = MT_DEVICE, | |
355 | }, | |
356 | }; | |
357 | ||
058b7a6f | 358 | static void __init mx27ads_map_io(void) |
80eedae6 | 359 | { |
cd4a05f9 | 360 | mx27_map_io(); |
80eedae6 JB |
361 | iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc)); |
362 | } | |
363 | ||
364 | MACHINE_START(MX27ADS, "Freescale i.MX27ADS") | |
365 | /* maintainer: Freescale Semiconductor, Inc. */ | |
3f35d1f5 UKK |
366 | .phys_io = MX27_AIPI_BASE_ADDR, |
367 | .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | |
34101237 | 368 | .boot_params = MX27_PHYS_OFFSET + 0x100, |
80eedae6 | 369 | .map_io = mx27ads_map_io, |
c5aa0ad0 | 370 | .init_irq = mx27_init_irq, |
80eedae6 JB |
371 | .init_machine = mx27ads_board_init, |
372 | .timer = &mx27ads_timer, | |
373 | MACHINE_END |