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-rw-r--r--arch/arm/mach-shmobile/board-g3evm.c372
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diff --git a/arch/arm/mach-shmobile/board-g3evm.c b/arch/arm/mach-shmobile/board-g3evm.c
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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
50static 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
79static 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
85static struct resource nor_flash_resources[] = {
86 [0] = {
87 .start = 0x00000000,
88 .end = 0x08000000 - 1,
89 .flags = IORESOURCE_MEM,
90 }
91};
92
93static 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 */
103static 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
112static struct r8a66597_platdata usb_host_data = {
113 .on_chip = 1,
114 .port_power = usb_host_port_power,
115};
116
117static 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
130static 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 */
143static 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
157static 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
170static 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
179static 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
197static struct resource nand_flash_resources[] = {
198 [0] = {
199 .start = 0xe6a30000,
200 .end = 0xe6a3009b,
201 .flags = IORESOURCE_MEM,
202 }
203};
204
205static 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
212static 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
221static 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
233static 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
240static 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
248static 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
260static 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
269static 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
351 sh7367_add_standard_devices();
352
353 platform_add_devices(g3evm_devices, ARRAY_SIZE(g3evm_devices));
354}
355
356static void __init g3evm_timer_init(void)
357{
358 sh7367_clock_init();
359 shmobile_timer.init();
360}
361
362static struct sys_timer g3evm_timer = {
363 .init = g3evm_timer_init,
364};
365
366MACHINE_START(G3EVM, "g3evm")
367 .map_io = g3evm_map_io,
368 .init_irq = sh7367_init_irq,
369 .handle_irq = shmobile_handle_irq_intc,
370 .init_machine = g3evm_init,
371 .timer = &g3evm_timer,
372MACHINE_END
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