diff options
Diffstat (limited to 'arch/arm/mach-shmobile/board-g4evm.c')
-rw-r--r-- | arch/arm/mach-shmobile/board-g4evm.c | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-g4evm.c b/arch/arm/mach-shmobile/board-g4evm.c new file mode 100644 index 000000000000..5acd623f93e7 --- /dev/null +++ b/arch/arm/mach-shmobile/board-g4evm.c | |||
@@ -0,0 +1,211 @@ | |||
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/gpio.h> | ||
32 | #include <mach/sh7377.h> | ||
33 | #include <mach/common.h> | ||
34 | #include <asm/mach-types.h> | ||
35 | #include <asm/mach/arch.h> | ||
36 | #include <asm/mach/map.h> | ||
37 | |||
38 | static struct mtd_partition nor_flash_partitions[] = { | ||
39 | { | ||
40 | .name = "loader", | ||
41 | .offset = 0x00000000, | ||
42 | .size = 512 * 1024, | ||
43 | }, | ||
44 | { | ||
45 | .name = "bootenv", | ||
46 | .offset = MTDPART_OFS_APPEND, | ||
47 | .size = 512 * 1024, | ||
48 | }, | ||
49 | { | ||
50 | .name = "kernel_ro", | ||
51 | .offset = MTDPART_OFS_APPEND, | ||
52 | .size = 8 * 1024 * 1024, | ||
53 | .mask_flags = MTD_WRITEABLE, | ||
54 | }, | ||
55 | { | ||
56 | .name = "kernel", | ||
57 | .offset = MTDPART_OFS_APPEND, | ||
58 | .size = 8 * 1024 * 1024, | ||
59 | }, | ||
60 | { | ||
61 | .name = "data", | ||
62 | .offset = MTDPART_OFS_APPEND, | ||
63 | .size = MTDPART_SIZ_FULL, | ||
64 | }, | ||
65 | }; | ||
66 | |||
67 | static struct physmap_flash_data nor_flash_data = { | ||
68 | .width = 2, | ||
69 | .parts = nor_flash_partitions, | ||
70 | .nr_parts = ARRAY_SIZE(nor_flash_partitions), | ||
71 | }; | ||
72 | |||
73 | static struct resource nor_flash_resources[] = { | ||
74 | [0] = { | ||
75 | .start = 0x00000000, | ||
76 | .end = 0x08000000 - 1, | ||
77 | .flags = IORESOURCE_MEM, | ||
78 | } | ||
79 | }; | ||
80 | |||
81 | static struct platform_device nor_flash_device = { | ||
82 | .name = "physmap-flash", | ||
83 | .dev = { | ||
84 | .platform_data = &nor_flash_data, | ||
85 | }, | ||
86 | .num_resources = ARRAY_SIZE(nor_flash_resources), | ||
87 | .resource = nor_flash_resources, | ||
88 | }; | ||
89 | |||
90 | /* USBHS */ | ||
91 | void usb_host_port_power(int port, int power) | ||
92 | { | ||
93 | if (!power) /* only power-on supported for now */ | ||
94 | return; | ||
95 | |||
96 | /* set VBOUT/PWEN and EXTLP0 in DVSTCTR */ | ||
97 | __raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008); | ||
98 | } | ||
99 | |||
100 | static struct r8a66597_platdata usb_host_data = { | ||
101 | .on_chip = 1, | ||
102 | .port_power = usb_host_port_power, | ||
103 | }; | ||
104 | |||
105 | static struct resource usb_host_resources[] = { | ||
106 | [0] = { | ||
107 | .name = "USBHS", | ||
108 | .start = 0xe6890000, | ||
109 | .end = 0xe68900e5, | ||
110 | .flags = IORESOURCE_MEM, | ||
111 | }, | ||
112 | [1] = { | ||
113 | .start = 65, | ||
114 | .end = 65, | ||
115 | .flags = IORESOURCE_IRQ, | ||
116 | }, | ||
117 | }; | ||
118 | |||
119 | static struct platform_device usb_host_device = { | ||
120 | .name = "r8a66597_hcd", | ||
121 | .id = 0, | ||
122 | .dev = { | ||
123 | .platform_data = &usb_host_data, | ||
124 | .dma_mask = NULL, | ||
125 | .coherent_dma_mask = 0xffffffff, | ||
126 | }, | ||
127 | .num_resources = ARRAY_SIZE(usb_host_resources), | ||
128 | .resource = usb_host_resources, | ||
129 | }; | ||
130 | |||
131 | static struct platform_device *g4evm_devices[] __initdata = { | ||
132 | &nor_flash_device, | ||
133 | &usb_host_device, | ||
134 | }; | ||
135 | |||
136 | static struct map_desc g4evm_io_desc[] __initdata = { | ||
137 | /* create a 1:1 entity map for 0xe6xxxxxx | ||
138 | * used by CPGA, INTC and PFC. | ||
139 | */ | ||
140 | { | ||
141 | .virtual = 0xe6000000, | ||
142 | .pfn = __phys_to_pfn(0xe6000000), | ||
143 | .length = 256 << 20, | ||
144 | .type = MT_DEVICE_NONSHARED | ||
145 | }, | ||
146 | }; | ||
147 | |||
148 | static void __init g4evm_map_io(void) | ||
149 | { | ||
150 | iotable_init(g4evm_io_desc, ARRAY_SIZE(g4evm_io_desc)); | ||
151 | |||
152 | /* setup early devices, clocks and console here as well */ | ||
153 | sh7377_add_early_devices(); | ||
154 | sh7367_clock_init(); /* use g3 clocks for now */ | ||
155 | shmobile_setup_console(); | ||
156 | } | ||
157 | |||
158 | static void __init g4evm_init(void) | ||
159 | { | ||
160 | sh7377_pinmux_init(); | ||
161 | |||
162 | /* Lit DS14 LED */ | ||
163 | gpio_request(GPIO_PORT109, NULL); | ||
164 | gpio_direction_output(GPIO_PORT109, 1); | ||
165 | gpio_export(GPIO_PORT109, 1); | ||
166 | |||
167 | /* Lit DS15 LED */ | ||
168 | gpio_request(GPIO_PORT110, NULL); | ||
169 | gpio_direction_output(GPIO_PORT110, 1); | ||
170 | gpio_export(GPIO_PORT110, 1); | ||
171 | |||
172 | /* Lit DS16 LED */ | ||
173 | gpio_request(GPIO_PORT112, NULL); | ||
174 | gpio_direction_output(GPIO_PORT112, 1); | ||
175 | gpio_export(GPIO_PORT112, 1); | ||
176 | |||
177 | /* Lit DS17 LED */ | ||
178 | gpio_request(GPIO_PORT113, NULL); | ||
179 | gpio_direction_output(GPIO_PORT113, 1); | ||
180 | gpio_export(GPIO_PORT113, 1); | ||
181 | |||
182 | /* USBHS */ | ||
183 | gpio_request(GPIO_FN_VBUS_0, NULL); | ||
184 | gpio_request(GPIO_FN_PWEN, NULL); | ||
185 | gpio_request(GPIO_FN_OVCN, NULL); | ||
186 | gpio_request(GPIO_FN_OVCN2, NULL); | ||
187 | gpio_request(GPIO_FN_EXTLP, NULL); | ||
188 | gpio_request(GPIO_FN_IDIN, NULL); | ||
189 | |||
190 | /* enable clock in SMSTPCR3 */ | ||
191 | __raw_writel(__raw_readl(0xe615013c) & ~(1 << 22), 0xe615013c); | ||
192 | |||
193 | /* setup USB phy */ | ||
194 | __raw_writew(0x0200, 0xe605810a); /* USBCR1 */ | ||
195 | __raw_writew(0x00e0, 0xe60581c0); /* CPFCH */ | ||
196 | __raw_writew(0x6010, 0xe60581c6); /* CGPOSR */ | ||
197 | __raw_writew(0x8a0a, 0xe605810c); /* USBCR2 */ | ||
198 | |||
199 | sh7377_add_standard_devices(); | ||
200 | |||
201 | platform_add_devices(g4evm_devices, ARRAY_SIZE(g4evm_devices)); | ||
202 | } | ||
203 | |||
204 | MACHINE_START(G4EVM, "g4evm") | ||
205 | .phys_io = 0xe6000000, | ||
206 | .io_pg_offst = ((0xe6000000) >> 18) & 0xfffc, | ||
207 | .map_io = g4evm_map_io, | ||
208 | .init_irq = sh7377_init_irq, | ||
209 | .init_machine = g4evm_init, | ||
210 | .timer = &shmobile_timer, | ||
211 | MACHINE_END | ||