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-rw-r--r--arch/arm/mach-shmobile/board-g4evm.c268
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diff --git a/arch/arm/mach-shmobile/board-g4evm.c b/arch/arm/mach-shmobile/board-g4evm.c
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1/*
2 * G4EVM 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/usb/r8a66597.h>
30#include <linux/io.h>
31#include <linux/input.h>
32#include <linux/input/sh_keysc.h>
33#include <linux/gpio.h>
34#include <mach/sh7377.h>
35#include <mach/common.h>
36#include <asm/mach-types.h>
37#include <asm/mach/arch.h>
38#include <asm/mach/map.h>
39
40static struct mtd_partition nor_flash_partitions[] = {
41 {
42 .name = "loader",
43 .offset = 0x00000000,
44 .size = 512 * 1024,
45 },
46 {
47 .name = "bootenv",
48 .offset = MTDPART_OFS_APPEND,
49 .size = 512 * 1024,
50 },
51 {
52 .name = "kernel_ro",
53 .offset = MTDPART_OFS_APPEND,
54 .size = 8 * 1024 * 1024,
55 .mask_flags = MTD_WRITEABLE,
56 },
57 {
58 .name = "kernel",
59 .offset = MTDPART_OFS_APPEND,
60 .size = 8 * 1024 * 1024,
61 },
62 {
63 .name = "data",
64 .offset = MTDPART_OFS_APPEND,
65 .size = MTDPART_SIZ_FULL,
66 },
67};
68
69static struct physmap_flash_data nor_flash_data = {
70 .width = 2,
71 .parts = nor_flash_partitions,
72 .nr_parts = ARRAY_SIZE(nor_flash_partitions),
73};
74
75static struct resource nor_flash_resources[] = {
76 [0] = {
77 .start = 0x00000000,
78 .end = 0x08000000 - 1,
79 .flags = IORESOURCE_MEM,
80 }
81};
82
83static struct platform_device nor_flash_device = {
84 .name = "physmap-flash",
85 .dev = {
86 .platform_data = &nor_flash_data,
87 },
88 .num_resources = ARRAY_SIZE(nor_flash_resources),
89 .resource = nor_flash_resources,
90};
91
92/* USBHS */
93void usb_host_port_power(int port, int power)
94{
95 if (!power) /* only power-on supported for now */
96 return;
97
98 /* set VBOUT/PWEN and EXTLP0 in DVSTCTR */
99 __raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008);
100}
101
102static struct r8a66597_platdata usb_host_data = {
103 .on_chip = 1,
104 .port_power = usb_host_port_power,
105};
106
107static struct resource usb_host_resources[] = {
108 [0] = {
109 .name = "USBHS",
110 .start = 0xe6890000,
111 .end = 0xe68900e5,
112 .flags = IORESOURCE_MEM,
113 },
114 [1] = {
115 .start = 65,
116 .end = 65,
117 .flags = IORESOURCE_IRQ,
118 },
119};
120
121static struct platform_device usb_host_device = {
122 .name = "r8a66597_hcd",
123 .id = 0,
124 .dev = {
125 .platform_data = &usb_host_data,
126 .dma_mask = NULL,
127 .coherent_dma_mask = 0xffffffff,
128 },
129 .num_resources = ARRAY_SIZE(usb_host_resources),
130 .resource = usb_host_resources,
131};
132
133/* KEYSC */
134static struct sh_keysc_info keysc_info = {
135 .mode = SH_KEYSC_MODE_5,
136 .scan_timing = 3,
137 .delay = 100,
138 .keycodes = {
139 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F,
140 KEY_G, KEY_H, KEY_I, KEY_J, KEY_K, KEY_L,
141 KEY_M, KEY_N, KEY_U, KEY_P, KEY_Q, KEY_R,
142 KEY_S, KEY_T, KEY_U, KEY_V, KEY_W, KEY_X,
143 KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP, KEY_WAKEUP, KEY_COFFEE,
144 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5,
145 KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER,
146 },
147};
148
149static struct resource keysc_resources[] = {
150 [0] = {
151 .name = "KEYSC",
152 .start = 0xe61b0000,
153 .end = 0xe61b000f,
154 .flags = IORESOURCE_MEM,
155 },
156 [1] = {
157 .start = 79,
158 .flags = IORESOURCE_IRQ,
159 },
160};
161
162static struct platform_device keysc_device = {
163 .name = "sh_keysc",
164 .id = 0, /* keysc0 clock */
165 .num_resources = ARRAY_SIZE(keysc_resources),
166 .resource = keysc_resources,
167 .dev = {
168 .platform_data = &keysc_info,
169 },
170};
171
172static struct platform_device *g4evm_devices[] __initdata = {
173 &nor_flash_device,
174 &usb_host_device,
175 &keysc_device,
176};
177
178static struct map_desc g4evm_io_desc[] __initdata = {
179 /* create a 1:1 entity map for 0xe6xxxxxx
180 * used by CPGA, INTC and PFC.
181 */
182 {
183 .virtual = 0xe6000000,
184 .pfn = __phys_to_pfn(0xe6000000),
185 .length = 256 << 20,
186 .type = MT_DEVICE_NONSHARED
187 },
188};
189
190static void __init g4evm_map_io(void)
191{
192 iotable_init(g4evm_io_desc, ARRAY_SIZE(g4evm_io_desc));
193
194 /* setup early devices, clocks and console here as well */
195 sh7377_add_early_devices();
196 sh7367_clock_init(); /* use g3 clocks for now */
197 shmobile_setup_console();
198}
199
200static void __init g4evm_init(void)
201{
202 sh7377_pinmux_init();
203
204 /* Lit DS14 LED */
205 gpio_request(GPIO_PORT109, NULL);
206 gpio_direction_output(GPIO_PORT109, 1);
207 gpio_export(GPIO_PORT109, 1);
208
209 /* Lit DS15 LED */
210 gpio_request(GPIO_PORT110, NULL);
211 gpio_direction_output(GPIO_PORT110, 1);
212 gpio_export(GPIO_PORT110, 1);
213
214 /* Lit DS16 LED */
215 gpio_request(GPIO_PORT112, NULL);
216 gpio_direction_output(GPIO_PORT112, 1);
217 gpio_export(GPIO_PORT112, 1);
218
219 /* Lit DS17 LED */
220 gpio_request(GPIO_PORT113, NULL);
221 gpio_direction_output(GPIO_PORT113, 1);
222 gpio_export(GPIO_PORT113, 1);
223
224 /* USBHS */
225 gpio_request(GPIO_FN_VBUS_0, NULL);
226 gpio_request(GPIO_FN_PWEN, NULL);
227 gpio_request(GPIO_FN_OVCN, NULL);
228 gpio_request(GPIO_FN_OVCN2, NULL);
229 gpio_request(GPIO_FN_EXTLP, NULL);
230 gpio_request(GPIO_FN_IDIN, NULL);
231
232 /* enable clock in SMSTPCR3 */
233 __raw_writel(__raw_readl(0xe615013c) & ~(1 << 22), 0xe615013c);
234
235 /* setup USB phy */
236 __raw_writew(0x0200, 0xe605810a); /* USBCR1 */
237 __raw_writew(0x00e0, 0xe60581c0); /* CPFCH */
238 __raw_writew(0x6010, 0xe60581c6); /* CGPOSR */
239 __raw_writew(0x8a0a, 0xe605810c); /* USBCR2 */
240
241 /* KEYSC @ CN31 */
242 gpio_request(GPIO_FN_PORT60_KEYOUT5, NULL);
243 gpio_request(GPIO_FN_PORT61_KEYOUT4, NULL);
244 gpio_request(GPIO_FN_PORT62_KEYOUT3, NULL);
245 gpio_request(GPIO_FN_PORT63_KEYOUT2, NULL);
246 gpio_request(GPIO_FN_PORT64_KEYOUT1, NULL);
247 gpio_request(GPIO_FN_PORT65_KEYOUT0, NULL);
248 gpio_request(GPIO_FN_PORT66_KEYIN0_PU, NULL);
249 gpio_request(GPIO_FN_PORT67_KEYIN1_PU, NULL);
250 gpio_request(GPIO_FN_PORT68_KEYIN2_PU, NULL);
251 gpio_request(GPIO_FN_PORT69_KEYIN3_PU, NULL);
252 gpio_request(GPIO_FN_PORT70_KEYIN4_PU, NULL);
253 gpio_request(GPIO_FN_PORT71_KEYIN5_PU, NULL);
254 gpio_request(GPIO_FN_PORT72_KEYIN6_PU, NULL);
255
256 sh7377_add_standard_devices();
257
258 platform_add_devices(g4evm_devices, ARRAY_SIZE(g4evm_devices));
259}
260
261MACHINE_START(G4EVM, "g4evm")
262 .phys_io = 0xe6000000,
263 .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc,
264 .map_io = g4evm_map_io,
265 .init_irq = sh7377_init_irq,
266 .init_machine = g4evm_init,
267 .timer = &shmobile_timer,
268MACHINE_END
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-03 17:13:00 -0500