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aac42970 DES |
1 | /* |
2 | * Support for Cogent CSB726 | |
3 | * | |
4 | * Copyright (c) 2008 Dmitry Eremin-Solenikov | |
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 version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | * | |
10 | */ | |
11 | #include <linux/kernel.h> | |
12 | #include <linux/init.h> | |
13 | #include <linux/io.h> | |
14 | #include <linux/gpio.h> | |
15 | #include <linux/platform_device.h> | |
16 | #include <linux/mtd/physmap.h> | |
17 | #include <linux/mtd/partitions.h> | |
18 | #include <linux/sm501.h> | |
19 | ||
20 | #include <asm/mach-types.h> | |
21 | #include <asm/mach/arch.h> | |
22 | #include <mach/csb726.h> | |
23 | #include <mach/mfp-pxa27x.h> | |
f0a83701 | 24 | #include <plat/i2c.h> |
aac42970 DES |
25 | #include <mach/mmc.h> |
26 | #include <mach/ohci.h> | |
27 | #include <mach/pxa2xx-regs.h> | |
28 | ||
29 | #include "generic.h" | |
30 | #include "devices.h" | |
31 | ||
32 | /* | |
33 | * n/a: 2, 5, 6, 7, 8, 23, 24, 25, 26, 27, 87, 88, 89, | |
34 | * nu: 58 -- 77, 90, 91, 93, 102, 105-108, 114-116, | |
35 | * XXX: 21, | |
36 | * XXX: 79 CS_3 for LAN9215 or PSKTSEL on R2, R3 | |
37 | * XXX: 33 CS_5 for LAN9215 on R1 | |
38 | */ | |
39 | ||
40 | static unsigned long csb726_pin_config[] = { | |
41 | GPIO78_nCS_2, /* EXP_CS */ | |
42 | GPIO79_nCS_3, /* SMSC9215 */ | |
43 | GPIO80_nCS_4, /* SM501 */ | |
44 | ||
45 | GPIO52_GPIO, /* #SMSC9251 int */ | |
46 | GPIO53_GPIO, /* SM501 int */ | |
47 | ||
48 | GPIO1_GPIO, /* GPIO0 */ | |
49 | GPIO11_GPIO, /* GPIO1 */ | |
50 | GPIO9_GPIO, /* GPIO2 */ | |
51 | GPIO10_GPIO, /* GPIO3 */ | |
52 | GPIO16_PWM0_OUT, /* or GPIO4 */ | |
53 | GPIO17_PWM1_OUT, /* or GPIO5 */ | |
54 | GPIO94_GPIO, /* GPIO6 */ | |
55 | GPIO95_GPIO, /* GPIO7 */ | |
56 | GPIO96_GPIO, /* GPIO8 */ | |
57 | GPIO97_GPIO, /* GPIO9 */ | |
58 | GPIO15_GPIO, /* EXP_IRQ */ | |
59 | GPIO18_RDY, /* EXP_WAIT */ | |
60 | ||
61 | GPIO0_GPIO, /* PWR_INT */ | |
62 | GPIO104_GPIO, /* PWR_OFF */ | |
63 | ||
64 | GPIO12_GPIO, /* touch irq */ | |
65 | ||
66 | GPIO13_SSP2_TXD, | |
67 | GPIO14_SSP2_SFRM, | |
68 | MFP_CFG_OUT(GPIO19, AF1, DRIVE_LOW),/* SSP2_SYSCLK */ | |
69 | GPIO22_SSP2_SCLK, | |
70 | ||
71 | GPIO81_SSP3_TXD, | |
72 | GPIO82_SSP3_RXD, | |
73 | GPIO83_SSP3_SFRM, | |
74 | GPIO84_SSP3_SCLK, | |
75 | ||
76 | GPIO20_GPIO, /* SDIO int */ | |
77 | GPIO32_MMC_CLK, | |
78 | GPIO92_MMC_DAT_0, | |
79 | GPIO109_MMC_DAT_1, | |
80 | GPIO110_MMC_DAT_2, | |
81 | GPIO111_MMC_DAT_3, | |
82 | GPIO112_MMC_CMD, | |
83 | GPIO100_GPIO, /* SD CD */ | |
84 | GPIO101_GPIO, /* SD WP */ | |
85 | ||
86 | GPIO28_AC97_BITCLK, | |
87 | GPIO29_AC97_SDATA_IN_0, | |
88 | GPIO30_AC97_SDATA_OUT, | |
89 | GPIO31_AC97_SYNC, | |
90 | GPIO113_AC97_nRESET, | |
91 | ||
92 | GPIO34_FFUART_RXD, | |
93 | GPIO35_FFUART_CTS, | |
94 | GPIO36_FFUART_DCD, | |
95 | GPIO37_FFUART_DSR, | |
96 | GPIO38_FFUART_RI, | |
97 | GPIO39_FFUART_TXD, | |
98 | GPIO40_FFUART_DTR, | |
99 | GPIO41_FFUART_RTS, | |
100 | ||
101 | GPIO42_BTUART_RXD, | |
102 | GPIO43_BTUART_TXD, | |
103 | GPIO44_BTUART_CTS, | |
104 | GPIO45_BTUART_RTS, | |
105 | ||
106 | GPIO46_STUART_RXD, | |
107 | GPIO47_STUART_TXD, | |
108 | ||
109 | GPIO48_nPOE, | |
110 | GPIO49_nPWE, | |
111 | GPIO50_nPIOR, | |
112 | GPIO51_nPIOW, | |
113 | GPIO54_nPCE_2, | |
114 | GPIO55_nPREG, | |
115 | GPIO56_nPWAIT, | |
116 | GPIO57_nIOIS16, /* maybe unused */ | |
117 | GPIO85_nPCE_1, | |
118 | GPIO98_GPIO, /* CF IRQ */ | |
119 | GPIO99_GPIO, /* CF CD */ | |
120 | GPIO103_GPIO, /* Reset */ | |
121 | ||
122 | GPIO117_I2C_SCL, | |
123 | GPIO118_I2C_SDA, | |
124 | }; | |
125 | ||
126 | static struct pxamci_platform_data csb726_mci_data; | |
127 | ||
128 | static int csb726_mci_init(struct device *dev, | |
129 | irq_handler_t detect, void *data) | |
130 | { | |
131 | int err; | |
132 | ||
133 | csb726_mci_data.detect_delay = msecs_to_jiffies(500); | |
134 | ||
135 | err = gpio_request(CSB726_GPIO_MMC_DETECT, "MMC detect"); | |
136 | if (err) | |
137 | goto err_det_req; | |
138 | ||
139 | err = gpio_direction_input(CSB726_GPIO_MMC_DETECT); | |
140 | if (err) | |
141 | goto err_det_dir; | |
142 | ||
143 | err = gpio_request(CSB726_GPIO_MMC_RO, "MMC ro"); | |
144 | if (err) | |
145 | goto err_ro_req; | |
146 | ||
147 | err = gpio_direction_input(CSB726_GPIO_MMC_RO); | |
148 | if (err) | |
149 | goto err_ro_dir; | |
150 | ||
151 | err = request_irq(gpio_to_irq(CSB726_GPIO_MMC_DETECT), detect, | |
152 | IRQF_DISABLED, "MMC card detect", data); | |
153 | if (err) | |
154 | goto err_irq; | |
155 | ||
156 | return 0; | |
157 | ||
158 | err_irq: | |
159 | err_ro_dir: | |
160 | gpio_free(CSB726_GPIO_MMC_RO); | |
161 | err_ro_req: | |
162 | err_det_dir: | |
163 | gpio_free(CSB726_GPIO_MMC_DETECT); | |
164 | err_det_req: | |
165 | return err; | |
166 | } | |
167 | ||
168 | static int csb726_mci_get_ro(struct device *dev) | |
169 | { | |
170 | return gpio_get_value(CSB726_GPIO_MMC_RO); | |
171 | } | |
172 | ||
173 | static void csb726_mci_exit(struct device *dev, void *data) | |
174 | { | |
175 | free_irq(gpio_to_irq(CSB726_GPIO_MMC_DETECT), data); | |
176 | gpio_free(CSB726_GPIO_MMC_RO); | |
177 | gpio_free(CSB726_GPIO_MMC_DETECT); | |
178 | } | |
179 | ||
180 | static struct pxamci_platform_data csb726_mci = { | |
181 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, | |
182 | .init = csb726_mci_init, | |
183 | .get_ro = csb726_mci_get_ro, | |
184 | /* FIXME setpower */ | |
185 | .exit = csb726_mci_exit, | |
186 | }; | |
187 | ||
188 | static struct pxaohci_platform_data csb726_ohci_platform_data = { | |
189 | .port_mode = PMM_NPS_MODE, | |
190 | .flags = ENABLE_PORT1 | NO_OC_PROTECTION, | |
191 | }; | |
192 | ||
193 | static struct mtd_partition csb726_flash_partitions[] = { | |
194 | { | |
195 | .name = "Bootloader", | |
196 | .offset = 0, | |
197 | .size = CSB726_FLASH_uMON, | |
198 | .mask_flags = MTD_WRITEABLE /* force read-only */ | |
199 | }, | |
200 | { | |
201 | .name = "root", | |
202 | .offset = MTDPART_OFS_APPEND, | |
203 | .size = MTDPART_SIZ_FULL, | |
204 | } | |
205 | }; | |
206 | ||
207 | static struct physmap_flash_data csb726_flash_data = { | |
208 | .width = 2, | |
209 | .parts = csb726_flash_partitions, | |
210 | .nr_parts = ARRAY_SIZE(csb726_flash_partitions), | |
211 | }; | |
212 | ||
213 | static struct resource csb726_flash_resources[] = { | |
214 | { | |
215 | .start = PXA_CS0_PHYS, | |
216 | .end = PXA_CS0_PHYS + CSB726_FLASH_SIZE - 1 , | |
217 | .flags = IORESOURCE_MEM, | |
218 | } | |
219 | }; | |
220 | ||
221 | static struct platform_device csb726_flash = { | |
222 | .name = "physmap-flash", | |
223 | .dev = { | |
224 | .platform_data = &csb726_flash_data, | |
225 | }, | |
226 | .resource = csb726_flash_resources, | |
227 | .num_resources = ARRAY_SIZE(csb726_flash_resources), | |
228 | }; | |
229 | ||
230 | static struct resource csb726_sm501_resources[] = { | |
231 | { | |
232 | .start = PXA_CS4_PHYS, | |
233 | .end = PXA_CS4_PHYS + SZ_8M - 1, | |
234 | .flags = IORESOURCE_MEM, | |
235 | .name = "sm501-localmem", | |
236 | }, | |
237 | { | |
238 | .start = PXA_CS4_PHYS + SZ_64M - SZ_2M, | |
239 | .end = PXA_CS4_PHYS + SZ_64M - 1, | |
240 | .flags = IORESOURCE_MEM, | |
241 | .name = "sm501-regs", | |
242 | }, | |
243 | { | |
244 | .start = CSB726_IRQ_SM501, | |
245 | .end = CSB726_IRQ_SM501, | |
246 | .flags = IORESOURCE_IRQ, | |
247 | }, | |
248 | }; | |
249 | ||
250 | static struct sm501_initdata csb726_sm501_initdata = { | |
251 | /* .devices = SM501_USE_USB_HOST, */ | |
252 | .devices = SM501_USE_USB_HOST | SM501_USE_UART0 | SM501_USE_UART1, | |
253 | }; | |
254 | ||
255 | static struct sm501_platdata csb726_sm501_platdata = { | |
256 | .init = &csb726_sm501_initdata, | |
257 | }; | |
258 | ||
259 | static struct platform_device csb726_sm501 = { | |
260 | .name = "sm501", | |
261 | .id = 0, | |
262 | .num_resources = ARRAY_SIZE(csb726_sm501_resources), | |
263 | .resource = csb726_sm501_resources, | |
264 | .dev = { | |
265 | .platform_data = &csb726_sm501_platdata, | |
266 | }, | |
267 | }; | |
268 | ||
269 | static struct resource csb726_lan_resources[] = { | |
270 | { | |
271 | .start = PXA_CS3_PHYS, | |
272 | .end = PXA_CS3_PHYS + SZ_64K - 1, | |
273 | .flags = IORESOURCE_MEM, | |
274 | }, | |
275 | { | |
276 | .start = CSB726_IRQ_LAN, | |
277 | .end = CSB726_IRQ_LAN, | |
278 | .flags = IORESOURCE_IRQ, | |
279 | }, | |
280 | }; | |
281 | ||
282 | static struct platform_device csb726_lan = { | |
283 | .name = "smc911x", | |
284 | .id = -1, | |
285 | .num_resources = ARRAY_SIZE(csb726_lan_resources), | |
286 | .resource = csb726_lan_resources, | |
287 | }; | |
288 | ||
289 | static struct platform_device *devices[] __initdata = { | |
290 | &csb726_flash, | |
291 | &csb726_sm501, | |
292 | &csb726_lan, | |
293 | }; | |
294 | ||
295 | static void __init csb726_init(void) | |
296 | { | |
297 | pxa2xx_mfp_config(ARRAY_AND_SIZE(csb726_pin_config)); | |
298 | /* MSC1 = 0x7ffc3ffc; *//* LAN9215/EXP_CS */ | |
299 | /* MSC2 = 0x06697ff4; *//* none/SM501 */ | |
300 | MSC2 = (MSC2 & ~0xffff) | 0x7ff4; /* SM501 */ | |
301 | ||
302 | pxa_set_i2c_info(NULL); | |
303 | pxa27x_set_i2c_power_info(NULL); | |
304 | pxa_set_mci_info(&csb726_mci); | |
305 | pxa_set_ohci_info(&csb726_ohci_platform_data); | |
306 | ||
307 | platform_add_devices(devices, ARRAY_SIZE(devices)); | |
308 | } | |
309 | ||
310 | MACHINE_START(CSB726, "Cogent CSB726") | |
311 | .phys_io = 0x40000000, | |
312 | .boot_params = 0xa0000100, | |
313 | .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, | |
314 | .map_io = pxa_map_io, | |
315 | .init_irq = pxa27x_init_irq, | |
316 | .init_machine = csb726_init, | |
317 | .timer = &pxa_timer, | |
318 | MACHINE_END |