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1 | /* |
2 | * G3EVM board support |
3 | * |
4 | * Copyright (C) 2010 Magnus Damm |
5 | * Copyright (C) 2008 Yoshihiro Shimoda |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify |
8 | * it under the terms of the GNU General Public License as published by |
9 | * the Free Software Foundation; version 2 of the License. |
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
19 | */ |
20 | #include <linux/kernel.h> |
21 | #include <linux/init.h> |
22 | #include <linux/interrupt.h> |
23 | #include <linux/irq.h> |
24 | #include <linux/platform_device.h> |
25 | #include <linux/delay.h> |
26 | #include <linux/mtd/mtd.h> |
27 | #include <linux/mtd/partitions.h> |
28 | #include <linux/mtd/physmap.h> |
29 | #include <linux/mtd/sh_flctl.h> |
30 | #include <linux/usb/r8a66597.h> |
31 | #include <linux/io.h> |
32 | #include <linux/gpio.h> |
33 | #include <linux/input.h> |
34 | #include <linux/input/sh_keysc.h> |
35 | #include <mach/sh7367.h> |
36 | #include <mach/common.h> |
37 | #include <asm/mach-types.h> |
38 | #include <asm/mach/arch.h> |
39 | #include <asm/mach/map.h> |
40 | #include <asm/mach/time.h> |
41 | |
42 | /* |
43 | * IrDA |
44 | * |
45 | * S67: 5bit : ON power |
46 | * : 6bit : ON remote control |
47 | * OFF IrDA |
48 | */ |
49 | |
50 | static struct mtd_partition nor_flash_partitions[] = { |
51 | { |
52 | .name = "loader", |
53 | .offset = 0x00000000, |
54 | .size = 512 * 1024, |
55 | }, |
56 | { |
57 | .name = "bootenv", |
58 | .offset = MTDPART_OFS_APPEND, |
59 | .size = 512 * 1024, |
60 | }, |
61 | { |
62 | .name = "kernel_ro", |
63 | .offset = MTDPART_OFS_APPEND, |
64 | .size = 8 * 1024 * 1024, |
65 | .mask_flags = MTD_WRITEABLE, |
66 | }, |
67 | { |
68 | .name = "kernel", |
69 | .offset = MTDPART_OFS_APPEND, |
70 | .size = 8 * 1024 * 1024, |
71 | }, |
72 | { |
73 | .name = "data", |
74 | .offset = MTDPART_OFS_APPEND, |
75 | .size = MTDPART_SIZ_FULL, |
76 | }, |
77 | }; |
78 | |
79 | static struct physmap_flash_data nor_flash_data = { |
80 | .width = 2, |
81 | .parts = nor_flash_partitions, |
82 | .nr_parts = ARRAY_SIZE(nor_flash_partitions), |
83 | }; |
84 | |
85 | static struct resource nor_flash_resources[] = { |
86 | [0] = { |
87 | .start = 0x00000000, |
88 | .end = 0x08000000 - 1, |
89 | .flags = IORESOURCE_MEM, |
90 | } |
91 | }; |
92 | |
93 | static struct platform_device nor_flash_device = { |
94 | .name = "physmap-flash", |
95 | .dev = { |
96 | .platform_data = &nor_flash_data, |
97 | }, |
98 | .num_resources = ARRAY_SIZE(nor_flash_resources), |
99 | .resource = nor_flash_resources, |
100 | }; |
101 | |
102 | /* USBHS */ |
103 | static void usb_host_port_power(int port, int power) |
104 | { |
105 | if (!power) /* only power-on supported for now */ |
106 | return; |
107 | |
108 | /* set VBOUT/PWEN and EXTLP0 in DVSTCTR */ |
109 | __raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008); |
110 | } |
111 | |
112 | static struct r8a66597_platdata usb_host_data = { |
113 | .on_chip = 1, |
114 | .port_power = usb_host_port_power, |
115 | }; |
116 | |
117 | static struct resource usb_host_resources[] = { |
118 | [0] = { |
119 | .name = "USBHS", |
120 | .start = 0xe6890000, |
121 | .end = 0xe68900e5, |
122 | .flags = IORESOURCE_MEM, |
123 | }, |
124 | [1] = { |
125 | .start = evt2irq(0xa20), /* USBHS_USHI0 */ |
126 | .flags = IORESOURCE_IRQ, |
127 | }, |
128 | }; |
129 | |
130 | static struct platform_device usb_host_device = { |
131 | .name = "r8a66597_hcd", |
132 | .id = 0, |
133 | .dev = { |
134 | .platform_data = &usb_host_data, |
135 | .dma_mask = NULL, |
136 | .coherent_dma_mask = 0xffffffff, |
137 | }, |
138 | .num_resources = ARRAY_SIZE(usb_host_resources), |
139 | .resource = usb_host_resources, |
140 | }; |
141 | |
142 | /* KEYSC */ |
143 | static struct sh_keysc_info keysc_info = { |
144 | .mode = SH_KEYSC_MODE_5, |
145 | .scan_timing = 3, |
146 | .delay = 100, |
147 | .keycodes = { |
148 | KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G, |
149 | KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, KEY_N, |
150 | KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U, |
151 | KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP, |
152 | KEY_WAKEUP, KEY_COFFEE, KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, |
153 | KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER, |
154 | }, |
155 | }; |
156 | |
157 | static struct resource keysc_resources[] = { |
158 | [0] = { |
159 | .name = "KEYSC", |
160 | .start = 0xe61b0000, |
161 | .end = 0xe61b000f, |
162 | .flags = IORESOURCE_MEM, |
163 | }, |
164 | [1] = { |
165 | .start = evt2irq(0xbe0), /* KEYSC_KEY */ |
166 | .flags = IORESOURCE_IRQ, |
167 | }, |
168 | }; |
169 | |
170 | static struct platform_device keysc_device = { |
171 | .name = "sh_keysc", |
172 | .num_resources = ARRAY_SIZE(keysc_resources), |
173 | .resource = keysc_resources, |
174 | .dev = { |
175 | .platform_data = &keysc_info, |
176 | }, |
177 | }; |
178 | |
179 | static struct mtd_partition nand_partition_info[] = { |
180 | { |
181 | .name = "system", |
182 | .offset = 0, |
183 | .size = 64 * 1024 * 1024, |
184 | }, |
185 | { |
186 | .name = "userdata", |
187 | .offset = MTDPART_OFS_APPEND, |
188 | .size = 128 * 1024 * 1024, |
189 | }, |
190 | { |
191 | .name = "cache", |
192 | .offset = MTDPART_OFS_APPEND, |
193 | .size = 64 * 1024 * 1024, |
194 | }, |
195 | }; |
196 | |
197 | static struct resource nand_flash_resources[] = { |
198 | [0] = { |
199 | .start = 0xe6a30000, |
200 | .end = 0xe6a3009b, |
201 | .flags = IORESOURCE_MEM, |
202 | } |
203 | }; |
204 | |
205 | static struct sh_flctl_platform_data nand_flash_data = { |
206 | .parts = nand_partition_info, |
207 | .nr_parts = ARRAY_SIZE(nand_partition_info), |
208 | .flcmncr_val = QTSEL_E | FCKSEL_E | TYPESEL_SET | NANWF_E |
209 | | SHBUSSEL | SEL_16BIT, |
210 | }; |
211 | |
212 | static struct platform_device nand_flash_device = { |
213 | .name = "sh_flctl", |
214 | .resource = nand_flash_resources, |
215 | .num_resources = ARRAY_SIZE(nand_flash_resources), |
216 | .dev = { |
217 | .platform_data = &nand_flash_data, |
218 | }, |
219 | }; |
220 | |
221 | static struct resource irda_resources[] = { |
222 | [0] = { |
223 | .start = 0xE6D00000, |
224 | .end = 0xE6D01FD4 - 1, |
225 | .flags = IORESOURCE_MEM, |
226 | }, |
227 | [1] = { |
228 | .start = evt2irq(0x480), /* IRDA */ |
229 | .flags = IORESOURCE_IRQ, |
230 | }, |
231 | }; |
232 | |
233 | static struct platform_device irda_device = { |
234 | .name = "sh_irda", |
235 | .id = -1, |
236 | .resource = irda_resources, |
237 | .num_resources = ARRAY_SIZE(irda_resources), |
238 | }; |
239 | |
240 | static struct platform_device *g3evm_devices[] __initdata = { |
241 | &nor_flash_device, |
242 | &usb_host_device, |
243 | &keysc_device, |
244 | &nand_flash_device, |
245 | &irda_device, |
246 | }; |
247 | |
248 | static struct map_desc g3evm_io_desc[] __initdata = { |
249 | /* create a 1:1 entity map for 0xe6xxxxxx |
250 | * used by CPGA, INTC and PFC. |
251 | */ |
252 | { |
253 | .virtual = 0xe6000000, |
254 | .pfn = __phys_to_pfn(0xe6000000), |
255 | .length = 256 << 20, |
256 | .type = MT_DEVICE_NONSHARED |
257 | }, |
258 | }; |
259 | |
260 | static void __init g3evm_map_io(void) |
261 | { |
262 | iotable_init(g3evm_io_desc, ARRAY_SIZE(g3evm_io_desc)); |
263 | |
264 | /* setup early devices and console here as well */ |
265 | sh7367_add_early_devices(); |
266 | shmobile_setup_console(); |
267 | } |
268 | |
269 | static void __init g3evm_init(void) |
270 | { |
271 | sh7367_pinmux_init(); |
272 | |
273 | /* Lit DS4 LED */ |
274 | gpio_request(GPIO_PORT22, NULL); |
275 | gpio_direction_output(GPIO_PORT22, 1); |
276 | gpio_export(GPIO_PORT22, 0); |
277 | |
278 | /* Lit DS8 LED */ |
279 | gpio_request(GPIO_PORT23, NULL); |
280 | gpio_direction_output(GPIO_PORT23, 1); |
281 | gpio_export(GPIO_PORT23, 0); |
282 | |
283 | /* Lit DS3 LED */ |
284 | gpio_request(GPIO_PORT24, NULL); |
285 | gpio_direction_output(GPIO_PORT24, 1); |
286 | gpio_export(GPIO_PORT24, 0); |
287 | |
288 | /* SCIFA1 */ |
289 | gpio_request(GPIO_FN_SCIFA1_TXD, NULL); |
290 | gpio_request(GPIO_FN_SCIFA1_RXD, NULL); |
291 | gpio_request(GPIO_FN_SCIFA1_CTS, NULL); |
292 | gpio_request(GPIO_FN_SCIFA1_RTS, NULL); |
293 | |
294 | /* USBHS */ |
295 | gpio_request(GPIO_FN_VBUS0, NULL); |
296 | gpio_request(GPIO_FN_PWEN, NULL); |
297 | gpio_request(GPIO_FN_OVCN, NULL); |
298 | gpio_request(GPIO_FN_OVCN2, NULL); |
299 | gpio_request(GPIO_FN_EXTLP, NULL); |
300 | gpio_request(GPIO_FN_IDIN, NULL); |
301 | |
302 | /* setup USB phy */ |
303 | __raw_writew(0x0300, 0xe605810a); /* USBCR1 */ |
304 | __raw_writew(0x00e0, 0xe60581c0); /* CPFCH */ |
305 | __raw_writew(0x6010, 0xe60581c6); /* CGPOSR */ |
306 | __raw_writew(0x8a0a, 0xe605810c); /* USBCR2 */ |
307 | |
308 | /* KEYSC @ CN7 */ |
309 | gpio_request(GPIO_FN_PORT42_KEYOUT0, NULL); |
310 | gpio_request(GPIO_FN_PORT43_KEYOUT1, NULL); |
311 | gpio_request(GPIO_FN_PORT44_KEYOUT2, NULL); |
312 | gpio_request(GPIO_FN_PORT45_KEYOUT3, NULL); |
313 | gpio_request(GPIO_FN_PORT46_KEYOUT4, NULL); |
314 | gpio_request(GPIO_FN_PORT47_KEYOUT5, NULL); |
315 | gpio_request(GPIO_FN_PORT48_KEYIN0_PU, NULL); |
316 | gpio_request(GPIO_FN_PORT49_KEYIN1_PU, NULL); |
317 | gpio_request(GPIO_FN_PORT50_KEYIN2_PU, NULL); |
318 | gpio_request(GPIO_FN_PORT55_KEYIN3_PU, NULL); |
319 | gpio_request(GPIO_FN_PORT56_KEYIN4_PU, NULL); |
320 | gpio_request(GPIO_FN_PORT57_KEYIN5_PU, NULL); |
321 | gpio_request(GPIO_FN_PORT58_KEYIN6_PU, NULL); |
322 | |
323 | /* FLCTL */ |
324 | gpio_request(GPIO_FN_FCE0, NULL); |
325 | gpio_request(GPIO_FN_D0_ED0_NAF0, NULL); |
326 | gpio_request(GPIO_FN_D1_ED1_NAF1, NULL); |
327 | gpio_request(GPIO_FN_D2_ED2_NAF2, NULL); |
328 | gpio_request(GPIO_FN_D3_ED3_NAF3, NULL); |
329 | gpio_request(GPIO_FN_D4_ED4_NAF4, NULL); |
330 | gpio_request(GPIO_FN_D5_ED5_NAF5, NULL); |
331 | gpio_request(GPIO_FN_D6_ED6_NAF6, NULL); |
332 | gpio_request(GPIO_FN_D7_ED7_NAF7, NULL); |
333 | gpio_request(GPIO_FN_D8_ED8_NAF8, NULL); |
334 | gpio_request(GPIO_FN_D9_ED9_NAF9, NULL); |
335 | gpio_request(GPIO_FN_D10_ED10_NAF10, NULL); |
336 | gpio_request(GPIO_FN_D11_ED11_NAF11, NULL); |
337 | gpio_request(GPIO_FN_D12_ED12_NAF12, NULL); |
338 | gpio_request(GPIO_FN_D13_ED13_NAF13, NULL); |
339 | gpio_request(GPIO_FN_D14_ED14_NAF14, NULL); |
340 | gpio_request(GPIO_FN_D15_ED15_NAF15, NULL); |
341 | gpio_request(GPIO_FN_WE0_XWR0_FWE, NULL); |
342 | gpio_request(GPIO_FN_FRB, NULL); |
343 | /* FOE, FCDE, FSC on dedicated pins */ |
344 | __raw_writel(__raw_readl(0xe6158048) & ~(1 << 15), 0xe6158048); |
345 | |
346 | /* IrDA */ |
347 | gpio_request(GPIO_FN_IRDA_OUT, NULL); |
348 | gpio_request(GPIO_FN_IRDA_IN, NULL); |
349 | gpio_request(GPIO_FN_IRDA_FIRSEL, NULL); |
350 | set_irq_type(evt2irq(0x480), IRQ_TYPE_LEVEL_LOW); |
351 | |
352 | sh7367_add_standard_devices(); |
353 | |
354 | platform_add_devices(g3evm_devices, ARRAY_SIZE(g3evm_devices)); |
355 | } |
356 | |
357 | static void __init g3evm_timer_init(void) |
358 | { |
359 | sh7367_clock_init(); |
360 | shmobile_timer.init(); |
361 | } |
362 | |
363 | static struct sys_timer g3evm_timer = { |
364 | .init = g3evm_timer_init, |
365 | }; |
366 | |
367 | MACHINE_START(G3EVM, "g3evm") |
368 | .map_io = g3evm_map_io, |
369 | .init_irq = sh7367_init_irq, |
370 | .init_machine = g3evm_init, |
371 | .timer = &g3evm_timer, |
372 | MACHINE_END |
373 |
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Tags:
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