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c793c1b0 MD |
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> | |
143f3b83 | 29 | #include <linux/mtd/sh_flctl.h> |
3a7b802d | 30 | #include <linux/usb/r8a66597.h> |
c793c1b0 | 31 | #include <linux/io.h> |
7fdda678 | 32 | #include <linux/gpio.h> |
03fb256d MD |
33 | #include <linux/input.h> |
34 | #include <linux/input/sh_keysc.h> | |
9b742024 | 35 | #include <linux/dma-mapping.h> |
7fdda678 | 36 | #include <mach/sh7367.h> |
c793c1b0 MD |
37 | #include <mach/common.h> |
38 | #include <asm/mach-types.h> | |
39 | #include <asm/mach/arch.h> | |
40 | #include <asm/mach/map.h> | |
4f0836b4 | 41 | #include <asm/mach/time.h> |
c793c1b0 | 42 | |
85f91dd0 KM |
43 | /* |
44 | * IrDA | |
45 | * | |
46 | * S67: 5bit : ON power | |
47 | * : 6bit : ON remote control | |
48 | * OFF IrDA | |
49 | */ | |
50 | ||
c793c1b0 MD |
51 | static struct mtd_partition nor_flash_partitions[] = { |
52 | { | |
53 | .name = "loader", | |
54 | .offset = 0x00000000, | |
55 | .size = 512 * 1024, | |
56 | }, | |
57 | { | |
58 | .name = "bootenv", | |
59 | .offset = MTDPART_OFS_APPEND, | |
60 | .size = 512 * 1024, | |
61 | }, | |
62 | { | |
63 | .name = "kernel_ro", | |
64 | .offset = MTDPART_OFS_APPEND, | |
65 | .size = 8 * 1024 * 1024, | |
66 | .mask_flags = MTD_WRITEABLE, | |
67 | }, | |
68 | { | |
69 | .name = "kernel", | |
70 | .offset = MTDPART_OFS_APPEND, | |
71 | .size = 8 * 1024 * 1024, | |
72 | }, | |
73 | { | |
74 | .name = "data", | |
75 | .offset = MTDPART_OFS_APPEND, | |
76 | .size = MTDPART_SIZ_FULL, | |
77 | }, | |
78 | }; | |
79 | ||
80 | static struct physmap_flash_data nor_flash_data = { | |
81 | .width = 2, | |
82 | .parts = nor_flash_partitions, | |
83 | .nr_parts = ARRAY_SIZE(nor_flash_partitions), | |
84 | }; | |
85 | ||
86 | static struct resource nor_flash_resources[] = { | |
87 | [0] = { | |
88 | .start = 0x00000000, | |
89 | .end = 0x08000000 - 1, | |
90 | .flags = IORESOURCE_MEM, | |
91 | } | |
92 | }; | |
93 | ||
94 | static struct platform_device nor_flash_device = { | |
95 | .name = "physmap-flash", | |
96 | .dev = { | |
97 | .platform_data = &nor_flash_data, | |
98 | }, | |
99 | .num_resources = ARRAY_SIZE(nor_flash_resources), | |
100 | .resource = nor_flash_resources, | |
101 | }; | |
102 | ||
3a7b802d | 103 | /* USBHS */ |
1c14e6ce | 104 | static void usb_host_port_power(int port, int power) |
3a7b802d MD |
105 | { |
106 | if (!power) /* only power-on supported for now */ | |
107 | return; | |
108 | ||
109 | /* set VBOUT/PWEN and EXTLP0 in DVSTCTR */ | |
110 | __raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008); | |
111 | } | |
112 | ||
113 | static struct r8a66597_platdata usb_host_data = { | |
114 | .on_chip = 1, | |
115 | .port_power = usb_host_port_power, | |
116 | }; | |
117 | ||
118 | static struct resource usb_host_resources[] = { | |
119 | [0] = { | |
120 | .name = "USBHS", | |
121 | .start = 0xe6890000, | |
122 | .end = 0xe68900e5, | |
123 | .flags = IORESOURCE_MEM, | |
124 | }, | |
125 | [1] = { | |
7490509f | 126 | .start = evt2irq(0xa20), /* USBHS_USHI0 */ |
3a7b802d MD |
127 | .flags = IORESOURCE_IRQ, |
128 | }, | |
129 | }; | |
130 | ||
131 | static struct platform_device usb_host_device = { | |
132 | .name = "r8a66597_hcd", | |
133 | .id = 0, | |
134 | .dev = { | |
135 | .platform_data = &usb_host_data, | |
136 | .dma_mask = NULL, | |
137 | .coherent_dma_mask = 0xffffffff, | |
138 | }, | |
139 | .num_resources = ARRAY_SIZE(usb_host_resources), | |
140 | .resource = usb_host_resources, | |
141 | }; | |
c793c1b0 | 142 | |
03fb256d MD |
143 | /* KEYSC */ |
144 | static struct sh_keysc_info keysc_info = { | |
145 | .mode = SH_KEYSC_MODE_5, | |
146 | .scan_timing = 3, | |
147 | .delay = 100, | |
148 | .keycodes = { | |
149 | KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G, | |
150 | KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, KEY_N, | |
151 | KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U, | |
152 | KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP, | |
153 | KEY_WAKEUP, KEY_COFFEE, KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, | |
154 | KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER, | |
155 | }, | |
156 | }; | |
157 | ||
158 | static struct resource keysc_resources[] = { | |
159 | [0] = { | |
160 | .name = "KEYSC", | |
161 | .start = 0xe61b0000, | |
162 | .end = 0xe61b000f, | |
163 | .flags = IORESOURCE_MEM, | |
164 | }, | |
165 | [1] = { | |
7490509f | 166 | .start = evt2irq(0xbe0), /* KEYSC_KEY */ |
03fb256d MD |
167 | .flags = IORESOURCE_IRQ, |
168 | }, | |
169 | }; | |
170 | ||
171 | static struct platform_device keysc_device = { | |
172 | .name = "sh_keysc", | |
173 | .num_resources = ARRAY_SIZE(keysc_resources), | |
174 | .resource = keysc_resources, | |
175 | .dev = { | |
176 | .platform_data = &keysc_info, | |
177 | }, | |
178 | }; | |
179 | ||
143f3b83 MD |
180 | static struct mtd_partition nand_partition_info[] = { |
181 | { | |
182 | .name = "system", | |
183 | .offset = 0, | |
184 | .size = 64 * 1024 * 1024, | |
185 | }, | |
186 | { | |
187 | .name = "userdata", | |
188 | .offset = MTDPART_OFS_APPEND, | |
189 | .size = 128 * 1024 * 1024, | |
190 | }, | |
191 | { | |
192 | .name = "cache", | |
193 | .offset = MTDPART_OFS_APPEND, | |
194 | .size = 64 * 1024 * 1024, | |
195 | }, | |
196 | }; | |
197 | ||
198 | static struct resource nand_flash_resources[] = { | |
199 | [0] = { | |
200 | .start = 0xe6a30000, | |
201 | .end = 0xe6a3009b, | |
202 | .flags = IORESOURCE_MEM, | |
203 | } | |
204 | }; | |
205 | ||
206 | static struct sh_flctl_platform_data nand_flash_data = { | |
207 | .parts = nand_partition_info, | |
208 | .nr_parts = ARRAY_SIZE(nand_partition_info), | |
209 | .flcmncr_val = QTSEL_E | FCKSEL_E | TYPESEL_SET | NANWF_E | |
210 | | SHBUSSEL | SEL_16BIT, | |
211 | }; | |
212 | ||
213 | static struct platform_device nand_flash_device = { | |
214 | .name = "sh_flctl", | |
215 | .resource = nand_flash_resources, | |
216 | .num_resources = ARRAY_SIZE(nand_flash_resources), | |
217 | .dev = { | |
218 | .platform_data = &nand_flash_data, | |
219 | }, | |
220 | }; | |
221 | ||
85f91dd0 KM |
222 | static struct resource irda_resources[] = { |
223 | [0] = { | |
224 | .start = 0xE6D00000, | |
225 | .end = 0xE6D01FD4 - 1, | |
226 | .flags = IORESOURCE_MEM, | |
227 | }, | |
228 | [1] = { | |
7490509f | 229 | .start = evt2irq(0x480), /* IRDA */ |
85f91dd0 KM |
230 | .flags = IORESOURCE_IRQ, |
231 | }, | |
232 | }; | |
233 | ||
234 | static struct platform_device irda_device = { | |
235 | .name = "sh_irda", | |
8a2b6bef | 236 | .id = -1, |
85f91dd0 KM |
237 | .resource = irda_resources, |
238 | .num_resources = ARRAY_SIZE(irda_resources), | |
239 | }; | |
240 | ||
c793c1b0 MD |
241 | static struct platform_device *g3evm_devices[] __initdata = { |
242 | &nor_flash_device, | |
3a7b802d | 243 | &usb_host_device, |
03fb256d | 244 | &keysc_device, |
143f3b83 | 245 | &nand_flash_device, |
85f91dd0 | 246 | &irda_device, |
c793c1b0 MD |
247 | }; |
248 | ||
249 | static struct map_desc g3evm_io_desc[] __initdata = { | |
250 | /* create a 1:1 entity map for 0xe6xxxxxx | |
251 | * used by CPGA, INTC and PFC. | |
252 | */ | |
253 | { | |
254 | .virtual = 0xe6000000, | |
255 | .pfn = __phys_to_pfn(0xe6000000), | |
256 | .length = 256 << 20, | |
257 | .type = MT_DEVICE_NONSHARED | |
258 | }, | |
259 | }; | |
260 | ||
261 | static void __init g3evm_map_io(void) | |
262 | { | |
263 | iotable_init(g3evm_io_desc, ARRAY_SIZE(g3evm_io_desc)); | |
9b742024 JM |
264 | /* DMA memory at 0xf6000000 - 0xffdfffff */ |
265 | init_consistent_dma_size(158 << 20); | |
c793c1b0 | 266 | |
4f0836b4 | 267 | /* setup early devices and console here as well */ |
c793c1b0 | 268 | sh7367_add_early_devices(); |
4ae04acb | 269 | shmobile_setup_console(); |
c793c1b0 MD |
270 | } |
271 | ||
272 | static void __init g3evm_init(void) | |
273 | { | |
7fdda678 MD |
274 | sh7367_pinmux_init(); |
275 | ||
276 | /* Lit DS4 LED */ | |
277 | gpio_request(GPIO_PORT22, NULL); | |
278 | gpio_direction_output(GPIO_PORT22, 1); | |
279 | gpio_export(GPIO_PORT22, 0); | |
280 | ||
281 | /* Lit DS8 LED */ | |
282 | gpio_request(GPIO_PORT23, NULL); | |
283 | gpio_direction_output(GPIO_PORT23, 1); | |
284 | gpio_export(GPIO_PORT23, 0); | |
285 | ||
286 | /* Lit DS3 LED */ | |
287 | gpio_request(GPIO_PORT24, NULL); | |
288 | gpio_direction_output(GPIO_PORT24, 1); | |
289 | gpio_export(GPIO_PORT24, 0); | |
290 | ||
291 | /* SCIFA1 */ | |
292 | gpio_request(GPIO_FN_SCIFA1_TXD, NULL); | |
293 | gpio_request(GPIO_FN_SCIFA1_RXD, NULL); | |
294 | gpio_request(GPIO_FN_SCIFA1_CTS, NULL); | |
295 | gpio_request(GPIO_FN_SCIFA1_RTS, NULL); | |
296 | ||
3a7b802d MD |
297 | /* USBHS */ |
298 | gpio_request(GPIO_FN_VBUS0, NULL); | |
299 | gpio_request(GPIO_FN_PWEN, NULL); | |
300 | gpio_request(GPIO_FN_OVCN, NULL); | |
301 | gpio_request(GPIO_FN_OVCN2, NULL); | |
302 | gpio_request(GPIO_FN_EXTLP, NULL); | |
303 | gpio_request(GPIO_FN_IDIN, NULL); | |
304 | ||
3a7b802d MD |
305 | /* setup USB phy */ |
306 | __raw_writew(0x0300, 0xe605810a); /* USBCR1 */ | |
307 | __raw_writew(0x00e0, 0xe60581c0); /* CPFCH */ | |
308 | __raw_writew(0x6010, 0xe60581c6); /* CGPOSR */ | |
309 | __raw_writew(0x8a0a, 0xe605810c); /* USBCR2 */ | |
310 | ||
03fb256d MD |
311 | /* KEYSC @ CN7 */ |
312 | gpio_request(GPIO_FN_PORT42_KEYOUT0, NULL); | |
313 | gpio_request(GPIO_FN_PORT43_KEYOUT1, NULL); | |
314 | gpio_request(GPIO_FN_PORT44_KEYOUT2, NULL); | |
315 | gpio_request(GPIO_FN_PORT45_KEYOUT3, NULL); | |
316 | gpio_request(GPIO_FN_PORT46_KEYOUT4, NULL); | |
317 | gpio_request(GPIO_FN_PORT47_KEYOUT5, NULL); | |
318 | gpio_request(GPIO_FN_PORT48_KEYIN0_PU, NULL); | |
319 | gpio_request(GPIO_FN_PORT49_KEYIN1_PU, NULL); | |
320 | gpio_request(GPIO_FN_PORT50_KEYIN2_PU, NULL); | |
321 | gpio_request(GPIO_FN_PORT55_KEYIN3_PU, NULL); | |
322 | gpio_request(GPIO_FN_PORT56_KEYIN4_PU, NULL); | |
323 | gpio_request(GPIO_FN_PORT57_KEYIN5_PU, NULL); | |
324 | gpio_request(GPIO_FN_PORT58_KEYIN6_PU, NULL); | |
325 | ||
143f3b83 MD |
326 | /* FLCTL */ |
327 | gpio_request(GPIO_FN_FCE0, NULL); | |
328 | gpio_request(GPIO_FN_D0_ED0_NAF0, NULL); | |
329 | gpio_request(GPIO_FN_D1_ED1_NAF1, NULL); | |
330 | gpio_request(GPIO_FN_D2_ED2_NAF2, NULL); | |
331 | gpio_request(GPIO_FN_D3_ED3_NAF3, NULL); | |
332 | gpio_request(GPIO_FN_D4_ED4_NAF4, NULL); | |
333 | gpio_request(GPIO_FN_D5_ED5_NAF5, NULL); | |
334 | gpio_request(GPIO_FN_D6_ED6_NAF6, NULL); | |
335 | gpio_request(GPIO_FN_D7_ED7_NAF7, NULL); | |
336 | gpio_request(GPIO_FN_D8_ED8_NAF8, NULL); | |
337 | gpio_request(GPIO_FN_D9_ED9_NAF9, NULL); | |
338 | gpio_request(GPIO_FN_D10_ED10_NAF10, NULL); | |
339 | gpio_request(GPIO_FN_D11_ED11_NAF11, NULL); | |
340 | gpio_request(GPIO_FN_D12_ED12_NAF12, NULL); | |
341 | gpio_request(GPIO_FN_D13_ED13_NAF13, NULL); | |
342 | gpio_request(GPIO_FN_D14_ED14_NAF14, NULL); | |
343 | gpio_request(GPIO_FN_D15_ED15_NAF15, NULL); | |
344 | gpio_request(GPIO_FN_WE0_XWR0_FWE, NULL); | |
345 | gpio_request(GPIO_FN_FRB, NULL); | |
346 | /* FOE, FCDE, FSC on dedicated pins */ | |
347 | __raw_writel(__raw_readl(0xe6158048) & ~(1 << 15), 0xe6158048); | |
348 | ||
85f91dd0 KM |
349 | /* IrDA */ |
350 | gpio_request(GPIO_FN_IRDA_OUT, NULL); | |
351 | gpio_request(GPIO_FN_IRDA_IN, NULL); | |
352 | gpio_request(GPIO_FN_IRDA_FIRSEL, NULL); | |
85f91dd0 | 353 | |
c793c1b0 MD |
354 | sh7367_add_standard_devices(); |
355 | ||
356 | platform_add_devices(g3evm_devices, ARRAY_SIZE(g3evm_devices)); | |
357 | } | |
358 | ||
4f0836b4 MD |
359 | static void __init g3evm_timer_init(void) |
360 | { | |
361 | sh7367_clock_init(); | |
362 | shmobile_timer.init(); | |
363 | } | |
364 | ||
365 | static struct sys_timer g3evm_timer = { | |
366 | .init = g3evm_timer_init, | |
367 | }; | |
368 | ||
c793c1b0 | 369 | MACHINE_START(G3EVM, "g3evm") |
c793c1b0 MD |
370 | .map_io = g3evm_map_io, |
371 | .init_irq = sh7367_init_irq, | |
863b1719 | 372 | .handle_irq = shmobile_handle_irq_intc, |
c793c1b0 | 373 | .init_machine = g3evm_init, |
4f0836b4 | 374 | .timer = &g3evm_timer, |
c793c1b0 | 375 | MACHINE_END |