Commit | Line | Data |
---|---|---|
4e4fc05a | 1 | /* |
5c0dbb8f | 2 | * linux/arch/arm/mach-pxa/colibri-pxa270.c |
4e4fc05a | 3 | * |
5c0dbb8f | 4 | * Support for Toradex PXA270 based Colibri module |
4e4fc05a | 5 | * Daniel Mack <daniel@caiaq.de> |
f95bb540 | 6 | * Marek Vasut <marek.vasut@gmail.com> |
4e4fc05a DM |
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 | #include <linux/init.h> | |
4e4fc05a | 14 | #include <linux/interrupt.h> |
6a7a5dca | 15 | #include <linux/moduleparam.h> |
4c243c85 | 16 | #include <linux/kernel.h> |
4e4fc05a DM |
17 | #include <linux/mtd/mtd.h> |
18 | #include <linux/mtd/partitions.h> | |
19 | #include <linux/mtd/physmap.h> | |
4c243c85 | 20 | #include <linux/platform_device.h> |
a927ef89 | 21 | #include <linux/regulator/machine.h> |
7cca84ab | 22 | #include <linux/ucb1400.h> |
4c243c85 | 23 | |
4e4fc05a | 24 | #include <asm/mach/arch.h> |
4e4fc05a | 25 | #include <asm/mach/flash.h> |
4c243c85 DM |
26 | #include <asm/mach-types.h> |
27 | #include <asm/sizes.h> | |
51c62982 | 28 | |
7cca84ab | 29 | #include <mach/audio.h> |
4c25c5d2 AB |
30 | #include "colibri.h" |
31 | #include "pxa27x.h" | |
4e4fc05a | 32 | |
4e4fc05a | 33 | #include "devices.h" |
4c243c85 | 34 | #include "generic.h" |
4e4fc05a | 35 | |
9b6956f4 MV |
36 | /****************************************************************************** |
37 | * Evaluation board MFP | |
38 | ******************************************************************************/ | |
a3172e54 | 39 | #ifdef CONFIG_MACH_COLIBRI_EVALBOARD |
9b6956f4 MV |
40 | static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = { |
41 | /* MMC */ | |
42 | GPIO32_MMC_CLK, | |
43 | GPIO92_MMC_DAT_0, | |
44 | GPIO109_MMC_DAT_1, | |
45 | GPIO110_MMC_DAT_2, | |
46 | GPIO111_MMC_DAT_3, | |
47 | GPIO112_MMC_CMD, | |
48 | GPIO0_GPIO, /* SD detect */ | |
49 | ||
50 | /* FFUART */ | |
51 | GPIO39_FFUART_TXD, | |
52 | GPIO34_FFUART_RXD, | |
53 | ||
54 | /* UHC */ | |
55 | GPIO88_USBH1_PWR, | |
56 | GPIO89_USBH1_PEN, | |
57 | GPIO119_USBH2_PWR, | |
58 | GPIO120_USBH2_PEN, | |
59 | ||
60 | /* PCMCIA */ | |
61 | GPIO85_nPCE_1, | |
62 | GPIO54_nPCE_2, | |
63 | GPIO55_nPREG, | |
64 | GPIO50_nPIOR, | |
65 | GPIO51_nPIOW, | |
66 | GPIO49_nPWE, | |
67 | GPIO48_nPOE, | |
68 | GPIO57_nIOIS16, | |
69 | GPIO56_nPWAIT, | |
70 | GPIO104_PSKTSEL, | |
71 | GPIO53_GPIO, /* RESET */ | |
72 | GPIO83_GPIO, /* BVD1 */ | |
73 | GPIO82_GPIO, /* BVD2 */ | |
74 | GPIO1_GPIO, /* READY */ | |
75 | GPIO84_GPIO, /* DETECT */ | |
76 | GPIO107_GPIO, /* PPEN */ | |
072e1ae7 MV |
77 | |
78 | /* I2C */ | |
79 | GPIO117_I2C_SCL, | |
80 | GPIO118_I2C_SDA, | |
9b6956f4 MV |
81 | }; |
82 | #else | |
83 | static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = {}; | |
84 | #endif | |
85 | ||
86 | #ifdef CONFIG_MACH_COLIBRI_PXA270_INCOME | |
87 | static mfp_cfg_t income_pin_config[] __initdata = { | |
88 | /* MMC */ | |
89 | GPIO32_MMC_CLK, | |
90 | GPIO92_MMC_DAT_0, | |
91 | GPIO109_MMC_DAT_1, | |
92 | GPIO110_MMC_DAT_2, | |
93 | GPIO111_MMC_DAT_3, | |
94 | GPIO112_MMC_CMD, | |
95 | GPIO0_GPIO, /* SD detect */ | |
96 | GPIO1_GPIO, /* SD read-only */ | |
97 | ||
98 | /* FFUART */ | |
99 | GPIO39_FFUART_TXD, | |
100 | GPIO34_FFUART_RXD, | |
101 | ||
102 | /* BFUART */ | |
103 | GPIO42_BTUART_RXD, | |
104 | GPIO43_BTUART_TXD, | |
105 | GPIO45_BTUART_RTS, | |
106 | ||
107 | /* STUART */ | |
108 | GPIO46_STUART_RXD, | |
109 | GPIO47_STUART_TXD, | |
110 | ||
111 | /* UHC */ | |
112 | GPIO88_USBH1_PWR, | |
113 | GPIO89_USBH1_PEN, | |
114 | ||
115 | /* LCD */ | |
116 | GPIOxx_LCD_TFT_16BPP, | |
117 | ||
118 | /* PWM */ | |
119 | GPIO16_PWM0_OUT, | |
120 | ||
121 | /* I2C */ | |
122 | GPIO117_I2C_SCL, | |
123 | GPIO118_I2C_SDA, | |
124 | ||
125 | /* LED */ | |
126 | GPIO54_GPIO, /* LED A */ | |
127 | GPIO55_GPIO, /* LED B */ | |
128 | }; | |
129 | #else | |
130 | static mfp_cfg_t income_pin_config[] __initdata = {}; | |
131 | #endif | |
132 | ||
f95bb540 MV |
133 | /****************************************************************************** |
134 | * Pin configuration | |
135 | ******************************************************************************/ | |
5c0dbb8f | 136 | static mfp_cfg_t colibri_pxa270_pin_config[] __initdata = { |
f95bb540 | 137 | /* Ethernet */ |
c0b1541f EM |
138 | GPIO78_nCS_2, /* Ethernet CS */ |
139 | GPIO114_GPIO, /* Ethernet IRQ */ | |
d01b8d64 | 140 | |
7cca84ab MV |
141 | /* AC97 */ |
142 | GPIO28_AC97_BITCLK, | |
143 | GPIO29_AC97_SDATA_IN_0, | |
144 | GPIO30_AC97_SDATA_OUT, | |
145 | GPIO31_AC97_SYNC, | |
146 | GPIO95_AC97_nRESET, | |
147 | GPIO98_AC97_SYSCLK, | |
148 | GPIO113_GPIO, /* Touchscreen IRQ */ | |
c0b1541f EM |
149 | }; |
150 | ||
f95bb540 MV |
151 | /****************************************************************************** |
152 | * NOR Flash | |
153 | ******************************************************************************/ | |
154 | #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) | |
4e4fc05a DM |
155 | static struct mtd_partition colibri_partitions[] = { |
156 | { | |
157 | .name = "Bootloader", | |
158 | .offset = 0x00000000, | |
159 | .size = 0x00040000, | |
f95bb540 | 160 | .mask_flags = MTD_WRITEABLE /* force read-only */ |
4e4fc05a DM |
161 | }, { |
162 | .name = "Kernel", | |
163 | .offset = 0x00040000, | |
164 | .size = 0x00400000, | |
165 | .mask_flags = 0 | |
166 | }, { | |
167 | .name = "Rootfs", | |
168 | .offset = 0x00440000, | |
169 | .size = MTDPART_SIZ_FULL, | |
170 | .mask_flags = 0 | |
171 | } | |
172 | }; | |
173 | ||
174 | static struct physmap_flash_data colibri_flash_data[] = { | |
175 | { | |
176 | .width = 4, /* bankwidth in bytes */ | |
177 | .parts = colibri_partitions, | |
178 | .nr_parts = ARRAY_SIZE(colibri_partitions) | |
179 | } | |
180 | }; | |
181 | ||
5c0dbb8f | 182 | static struct resource colibri_pxa270_flash_resource = { |
4e4fc05a DM |
183 | .start = PXA_CS0_PHYS, |
184 | .end = PXA_CS0_PHYS + SZ_32M - 1, | |
185 | .flags = IORESOURCE_MEM, | |
186 | }; | |
187 | ||
5c0dbb8f | 188 | static struct platform_device colibri_pxa270_flash_device = { |
4e4fc05a DM |
189 | .name = "physmap-flash", |
190 | .id = 0, | |
191 | .dev = { | |
192 | .platform_data = colibri_flash_data, | |
193 | }, | |
5c0dbb8f | 194 | .resource = &colibri_pxa270_flash_resource, |
4e4fc05a DM |
195 | .num_resources = 1, |
196 | }; | |
197 | ||
f95bb540 MV |
198 | static void __init colibri_pxa270_nor_init(void) |
199 | { | |
200 | platform_device_register(&colibri_pxa270_flash_device); | |
201 | } | |
202 | #else | |
203 | static inline void colibri_pxa270_nor_init(void) {} | |
204 | #endif | |
205 | ||
206 | /****************************************************************************** | |
207 | * Ethernet | |
208 | ******************************************************************************/ | |
209 | #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE) | |
210 | static struct resource colibri_pxa270_dm9000_resources[] = { | |
403d2971 | 211 | { |
f95bb540 MV |
212 | .start = PXA_CS2_PHYS, |
213 | .end = PXA_CS2_PHYS + 3, | |
4e4fc05a DM |
214 | .flags = IORESOURCE_MEM, |
215 | }, | |
403d2971 | 216 | { |
f95bb540 MV |
217 | .start = PXA_CS2_PHYS + 4, |
218 | .end = PXA_CS2_PHYS + 4 + 500, | |
4e4fc05a DM |
219 | .flags = IORESOURCE_MEM, |
220 | }, | |
403d2971 | 221 | { |
4929f5a8 HZ |
222 | .start = PXA_GPIO_TO_IRQ(GPIO114_COLIBRI_PXA270_ETH_IRQ), |
223 | .end = PXA_GPIO_TO_IRQ(GPIO114_COLIBRI_PXA270_ETH_IRQ), | |
d0afc85f | 224 | .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING, |
4e4fc05a DM |
225 | }, |
226 | }; | |
227 | ||
f95bb540 | 228 | static struct platform_device colibri_pxa270_dm9000_device = { |
4e4fc05a DM |
229 | .name = "dm9000", |
230 | .id = -1, | |
f95bb540 MV |
231 | .num_resources = ARRAY_SIZE(colibri_pxa270_dm9000_resources), |
232 | .resource = colibri_pxa270_dm9000_resources, | |
4e4fc05a DM |
233 | }; |
234 | ||
f95bb540 MV |
235 | static void __init colibri_pxa270_eth_init(void) |
236 | { | |
237 | platform_device_register(&colibri_pxa270_dm9000_device); | |
238 | } | |
239 | #else | |
240 | static inline void colibri_pxa270_eth_init(void) {} | |
5c0dbb8f | 241 | #endif |
4e4fc05a | 242 | |
7cca84ab MV |
243 | /****************************************************************************** |
244 | * Audio and Touchscreen | |
245 | ******************************************************************************/ | |
246 | #if defined(CONFIG_TOUCHSCREEN_UCB1400) || \ | |
247 | defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE) | |
248 | static pxa2xx_audio_ops_t colibri_pxa270_ac97_pdata = { | |
249 | .reset_gpio = 95, | |
250 | }; | |
251 | ||
252 | static struct ucb1400_pdata colibri_pxa270_ucb1400_pdata = { | |
4929f5a8 | 253 | .irq = PXA_GPIO_TO_IRQ(GPIO113_COLIBRI_PXA270_TS_IRQ), |
7cca84ab MV |
254 | }; |
255 | ||
256 | static struct platform_device colibri_pxa270_ucb1400_device = { | |
257 | .name = "ucb1400_core", | |
258 | .id = -1, | |
259 | .dev = { | |
260 | .platform_data = &colibri_pxa270_ucb1400_pdata, | |
261 | }, | |
262 | }; | |
263 | ||
264 | static void __init colibri_pxa270_tsc_init(void) | |
265 | { | |
266 | pxa_set_ac97_info(&colibri_pxa270_ac97_pdata); | |
267 | platform_device_register(&colibri_pxa270_ucb1400_device); | |
268 | } | |
269 | #else | |
270 | static inline void colibri_pxa270_tsc_init(void) {} | |
271 | #endif | |
272 | ||
4c243c85 DM |
273 | static int colibri_pxa270_baseboard; |
274 | core_param(colibri_pxa270_baseboard, colibri_pxa270_baseboard, int, 0444); | |
275 | ||
5c0dbb8f | 276 | static void __init colibri_pxa270_init(void) |
4e4fc05a | 277 | { |
5c0dbb8f | 278 | pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_pin_config)); |
f95bb540 MV |
279 | |
280 | colibri_pxa270_nor_init(); | |
281 | colibri_pxa270_eth_init(); | |
7cca84ab | 282 | colibri_pxa270_tsc_init(); |
4c243c85 DM |
283 | |
284 | switch (colibri_pxa270_baseboard) { | |
a3172e54 | 285 | case COLIBRI_EVALBOARD: |
9b6956f4 MV |
286 | pxa2xx_mfp_config(ARRAY_AND_SIZE( |
287 | colibri_pxa270_evalboard_pin_config)); | |
a3172e54 | 288 | colibri_evalboard_init(); |
4c243c85 | 289 | break; |
403d2971 | 290 | case COLIBRI_PXA270_INCOME: |
9b6956f4 | 291 | pxa2xx_mfp_config(ARRAY_AND_SIZE(income_pin_config)); |
403d2971 MV |
292 | colibri_pxa270_income_boardinit(); |
293 | break; | |
4c243c85 DM |
294 | default: |
295 | printk(KERN_ERR "Illegal colibri_pxa270_baseboard type %d\n", | |
296 | colibri_pxa270_baseboard); | |
297 | } | |
a927ef89 RJ |
298 | |
299 | regulator_has_full_constraints(); | |
4e4fc05a DM |
300 | } |
301 | ||
403d2971 MV |
302 | /* The "Income s.r.o. SH-Dmaster PXA270 SBC" board can be booted either |
303 | * with the INCOME mach type or with COLIBRI and the kernel parameter | |
304 | * "colibri_pxa270_baseboard=1" | |
305 | */ | |
306 | static void __init colibri_pxa270_income_init(void) | |
307 | { | |
308 | colibri_pxa270_baseboard = COLIBRI_PXA270_INCOME; | |
309 | colibri_pxa270_init(); | |
310 | } | |
311 | ||
5c0dbb8f | 312 | MACHINE_START(COLIBRI, "Toradex Colibri PXA270") |
7375aba6 | 313 | .atag_offset = 0x100, |
5c0dbb8f | 314 | .init_machine = colibri_pxa270_init, |
851982c1 | 315 | .map_io = pxa27x_map_io, |
4e611091 | 316 | .nr_irqs = PXA_NR_IRQS, |
4e4fc05a | 317 | .init_irq = pxa27x_init_irq, |
8a97ae2f | 318 | .handle_irq = pxa27x_handle_irq, |
6bb27d73 | 319 | .init_time = pxa_timer_init, |
271a74fc | 320 | .restart = pxa_restart, |
4e4fc05a | 321 | MACHINE_END |
5c0dbb8f | 322 | |
403d2971 | 323 | MACHINE_START(INCOME, "Income s.r.o. SH-Dmaster PXA270 SBC") |
7375aba6 | 324 | .atag_offset = 0x100, |
403d2971 | 325 | .init_machine = colibri_pxa270_income_init, |
851982c1 | 326 | .map_io = pxa27x_map_io, |
4e611091 | 327 | .nr_irqs = PXA_NR_IRQS, |
403d2971 | 328 | .init_irq = pxa27x_init_irq, |
8a97ae2f | 329 | .handle_irq = pxa27x_handle_irq, |
6bb27d73 | 330 | .init_time = pxa_timer_init, |
271a74fc | 331 | .restart = pxa_restart, |
403d2971 MV |
332 | MACHINE_END |
333 |