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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> | |
3a7b802d | 29 | #include <linux/usb/r8a66597.h> |
c793c1b0 | 30 | #include <linux/io.h> |
7fdda678 | 31 | #include <linux/gpio.h> |
03fb256d MD |
32 | #include <linux/input.h> |
33 | #include <linux/input/sh_keysc.h> | |
7fdda678 | 34 | #include <mach/sh7367.h> |
c793c1b0 MD |
35 | #include <mach/common.h> |
36 | #include <asm/mach-types.h> | |
37 | #include <asm/mach/arch.h> | |
38 | #include <asm/mach/map.h> | |
39 | ||
40 | static 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 | ||
69 | static 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 | ||
75 | static struct resource nor_flash_resources[] = { | |
76 | [0] = { | |
77 | .start = 0x00000000, | |
78 | .end = 0x08000000 - 1, | |
79 | .flags = IORESOURCE_MEM, | |
80 | } | |
81 | }; | |
82 | ||
83 | static 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 | ||
3a7b802d MD |
92 | /* USBHS */ |
93 | void 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 | ||
102 | static struct r8a66597_platdata usb_host_data = { | |
103 | .on_chip = 1, | |
104 | .port_power = usb_host_port_power, | |
105 | }; | |
106 | ||
107 | static 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 | .flags = IORESOURCE_IRQ, | |
117 | }, | |
118 | }; | |
119 | ||
120 | static struct platform_device usb_host_device = { | |
121 | .name = "r8a66597_hcd", | |
122 | .id = 0, | |
123 | .dev = { | |
124 | .platform_data = &usb_host_data, | |
125 | .dma_mask = NULL, | |
126 | .coherent_dma_mask = 0xffffffff, | |
127 | }, | |
128 | .num_resources = ARRAY_SIZE(usb_host_resources), | |
129 | .resource = usb_host_resources, | |
130 | }; | |
c793c1b0 | 131 | |
03fb256d MD |
132 | /* KEYSC */ |
133 | static struct sh_keysc_info keysc_info = { | |
134 | .mode = SH_KEYSC_MODE_5, | |
135 | .scan_timing = 3, | |
136 | .delay = 100, | |
137 | .keycodes = { | |
138 | KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G, | |
139 | KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, KEY_N, | |
140 | KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U, | |
141 | KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP, | |
142 | KEY_WAKEUP, KEY_COFFEE, KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, | |
143 | KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER, | |
144 | }, | |
145 | }; | |
146 | ||
147 | static struct resource keysc_resources[] = { | |
148 | [0] = { | |
149 | .name = "KEYSC", | |
150 | .start = 0xe61b0000, | |
151 | .end = 0xe61b000f, | |
152 | .flags = IORESOURCE_MEM, | |
153 | }, | |
154 | [1] = { | |
155 | .start = 79, | |
156 | .flags = IORESOURCE_IRQ, | |
157 | }, | |
158 | }; | |
159 | ||
160 | static struct platform_device keysc_device = { | |
161 | .name = "sh_keysc", | |
162 | .num_resources = ARRAY_SIZE(keysc_resources), | |
163 | .resource = keysc_resources, | |
164 | .dev = { | |
165 | .platform_data = &keysc_info, | |
166 | }, | |
167 | }; | |
168 | ||
c793c1b0 MD |
169 | static struct platform_device *g3evm_devices[] __initdata = { |
170 | &nor_flash_device, | |
3a7b802d | 171 | &usb_host_device, |
03fb256d | 172 | &keysc_device, |
c793c1b0 MD |
173 | }; |
174 | ||
175 | static struct map_desc g3evm_io_desc[] __initdata = { | |
176 | /* create a 1:1 entity map for 0xe6xxxxxx | |
177 | * used by CPGA, INTC and PFC. | |
178 | */ | |
179 | { | |
180 | .virtual = 0xe6000000, | |
181 | .pfn = __phys_to_pfn(0xe6000000), | |
182 | .length = 256 << 20, | |
183 | .type = MT_DEVICE_NONSHARED | |
184 | }, | |
185 | }; | |
186 | ||
187 | static void __init g3evm_map_io(void) | |
188 | { | |
189 | iotable_init(g3evm_io_desc, ARRAY_SIZE(g3evm_io_desc)); | |
190 | ||
4ae04acb | 191 | /* setup early devices, clocks and console here as well */ |
c793c1b0 MD |
192 | sh7367_add_early_devices(); |
193 | sh7367_clock_init(); | |
4ae04acb | 194 | shmobile_setup_console(); |
c793c1b0 MD |
195 | } |
196 | ||
197 | static void __init g3evm_init(void) | |
198 | { | |
7fdda678 MD |
199 | sh7367_pinmux_init(); |
200 | ||
201 | /* Lit DS4 LED */ | |
202 | gpio_request(GPIO_PORT22, NULL); | |
203 | gpio_direction_output(GPIO_PORT22, 1); | |
204 | gpio_export(GPIO_PORT22, 0); | |
205 | ||
206 | /* Lit DS8 LED */ | |
207 | gpio_request(GPIO_PORT23, NULL); | |
208 | gpio_direction_output(GPIO_PORT23, 1); | |
209 | gpio_export(GPIO_PORT23, 0); | |
210 | ||
211 | /* Lit DS3 LED */ | |
212 | gpio_request(GPIO_PORT24, NULL); | |
213 | gpio_direction_output(GPIO_PORT24, 1); | |
214 | gpio_export(GPIO_PORT24, 0); | |
215 | ||
216 | /* SCIFA1 */ | |
217 | gpio_request(GPIO_FN_SCIFA1_TXD, NULL); | |
218 | gpio_request(GPIO_FN_SCIFA1_RXD, NULL); | |
219 | gpio_request(GPIO_FN_SCIFA1_CTS, NULL); | |
220 | gpio_request(GPIO_FN_SCIFA1_RTS, NULL); | |
221 | ||
3a7b802d MD |
222 | /* USBHS */ |
223 | gpio_request(GPIO_FN_VBUS0, NULL); | |
224 | gpio_request(GPIO_FN_PWEN, NULL); | |
225 | gpio_request(GPIO_FN_OVCN, NULL); | |
226 | gpio_request(GPIO_FN_OVCN2, NULL); | |
227 | gpio_request(GPIO_FN_EXTLP, NULL); | |
228 | gpio_request(GPIO_FN_IDIN, NULL); | |
229 | ||
230 | /* enable clock in SYMSTPCR2 */ | |
231 | __raw_writel(__raw_readl(0xe6158048) & ~(1 << 22), 0xe6158048); | |
232 | ||
233 | /* setup USB phy */ | |
234 | __raw_writew(0x0300, 0xe605810a); /* USBCR1 */ | |
235 | __raw_writew(0x00e0, 0xe60581c0); /* CPFCH */ | |
236 | __raw_writew(0x6010, 0xe60581c6); /* CGPOSR */ | |
237 | __raw_writew(0x8a0a, 0xe605810c); /* USBCR2 */ | |
238 | ||
03fb256d MD |
239 | /* KEYSC @ CN7 */ |
240 | gpio_request(GPIO_FN_PORT42_KEYOUT0, NULL); | |
241 | gpio_request(GPIO_FN_PORT43_KEYOUT1, NULL); | |
242 | gpio_request(GPIO_FN_PORT44_KEYOUT2, NULL); | |
243 | gpio_request(GPIO_FN_PORT45_KEYOUT3, NULL); | |
244 | gpio_request(GPIO_FN_PORT46_KEYOUT4, NULL); | |
245 | gpio_request(GPIO_FN_PORT47_KEYOUT5, NULL); | |
246 | gpio_request(GPIO_FN_PORT48_KEYIN0_PU, NULL); | |
247 | gpio_request(GPIO_FN_PORT49_KEYIN1_PU, NULL); | |
248 | gpio_request(GPIO_FN_PORT50_KEYIN2_PU, NULL); | |
249 | gpio_request(GPIO_FN_PORT55_KEYIN3_PU, NULL); | |
250 | gpio_request(GPIO_FN_PORT56_KEYIN4_PU, NULL); | |
251 | gpio_request(GPIO_FN_PORT57_KEYIN5_PU, NULL); | |
252 | gpio_request(GPIO_FN_PORT58_KEYIN6_PU, NULL); | |
253 | ||
c793c1b0 MD |
254 | sh7367_add_standard_devices(); |
255 | ||
256 | platform_add_devices(g3evm_devices, ARRAY_SIZE(g3evm_devices)); | |
257 | } | |
258 | ||
259 | MACHINE_START(G3EVM, "g3evm") | |
260 | .phys_io = 0xe6000000, | |
261 | .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc, | |
262 | .map_io = g3evm_map_io, | |
263 | .init_irq = sh7367_init_irq, | |
264 | .init_machine = g3evm_init, | |
265 | .timer = &shmobile_timer, | |
266 | MACHINE_END |