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-rw-r--r--arch/arm/mach-shmobile/board-g4evm.c211
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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/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
38static 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
67static 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
73static struct resource nor_flash_resources[] = {
74 [0] = {
75 .start = 0x00000000,
76 .end = 0x08000000 - 1,
77 .flags = IORESOURCE_MEM,
78 }
79};
80
81static 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 */
91void 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
100static struct r8a66597_platdata usb_host_data = {
101 .on_chip = 1,
102 .port_power = usb_host_port_power,
103};
104
105static 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
119static 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
131static struct platform_device *g4evm_devices[] __initdata = {
132 &nor_flash_device,
133 &usb_host_device,
134};
135
136static 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
148static 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
158static 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
204MACHINE_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,
211MACHINE_END