Merge branch 'for-rmk/samsung6' of git://git.fluff.org/bjdooks/linux into devel-stable
[linux-2.6.git] / arch / arm / mach-orion5x / ls_hgl-setup.c
1 /*
2  * arch/arm/mach-orion5x/ls_hgl-setup.c
3  *
4  * Maintainer: Zhu Qingsen <zhuqs@cn.fujitsu.com>
5  *
6  * This file is licensed under the terms of the GNU General Public
7  * License version 2.  This program is licensed "as is" without any
8  * warranty of any kind, whether express or implied.
9  */
10
11 #include <linux/kernel.h>
12 #include <linux/init.h>
13 #include <linux/platform_device.h>
14 #include <linux/mtd/physmap.h>
15 #include <linux/mv643xx_eth.h>
16 #include <linux/leds.h>
17 #include <linux/gpio_keys.h>
18 #include <linux/input.h>
19 #include <linux/i2c.h>
20 #include <linux/ata_platform.h>
21 #include <linux/gpio.h>
22 #include <asm/mach-types.h>
23 #include <asm/mach/arch.h>
24 #include <asm/system.h>
25 #include <mach/orion5x.h>
26 #include "common.h"
27 #include "mpp.h"
28
29 /*****************************************************************************
30  * Linkstation LS-HGL Info
31  ****************************************************************************/
32
33 /*
34  * 256K NOR flash Device bus boot chip select
35  */
36
37 #define LS_HGL_NOR_BOOT_BASE    0xf4000000
38 #define LS_HGL_NOR_BOOT_SIZE    SZ_256K
39
40 /*****************************************************************************
41  * 256KB NOR Flash on BOOT Device
42  ****************************************************************************/
43
44 static struct physmap_flash_data ls_hgl_nor_flash_data = {
45         .width          = 1,
46 };
47
48 static struct resource ls_hgl_nor_flash_resource = {
49         .flags  = IORESOURCE_MEM,
50         .start  = LS_HGL_NOR_BOOT_BASE,
51         .end    = LS_HGL_NOR_BOOT_BASE + LS_HGL_NOR_BOOT_SIZE - 1,
52 };
53
54 static struct platform_device ls_hgl_nor_flash = {
55         .name                   = "physmap-flash",
56         .id                     = 0,
57         .dev            = {
58                 .platform_data  = &ls_hgl_nor_flash_data,
59         },
60         .num_resources          = 1,
61         .resource               = &ls_hgl_nor_flash_resource,
62 };
63
64 /*****************************************************************************
65  * Ethernet
66  ****************************************************************************/
67
68 static struct mv643xx_eth_platform_data ls_hgl_eth_data = {
69         .phy_addr       = 8,
70 };
71
72 /*****************************************************************************
73  * RTC 5C372a on I2C bus
74  ****************************************************************************/
75
76 static struct i2c_board_info __initdata ls_hgl_i2c_rtc = {
77         I2C_BOARD_INFO("rs5c372a", 0x32),
78 };
79
80 /*****************************************************************************
81  * LEDs attached to GPIO
82  ****************************************************************************/
83
84 #define LS_HGL_GPIO_LED_ALARM   2
85 #define LS_HGL_GPIO_LED_INFO    3
86 #define LS_HGL_GPIO_LED_FUNC    17
87 #define LS_HGL_GPIO_LED_PWR     0
88
89
90 static struct gpio_led ls_hgl_led_pins[] = {
91         {
92                 .name      = "alarm:red",
93                 .gpio      = LS_HGL_GPIO_LED_ALARM,
94                 .active_low     = 1,
95         }, {
96                 .name      = "info:amber",
97                 .gpio      = LS_HGL_GPIO_LED_INFO,
98                 .active_low     = 1,
99         }, {
100                 .name      = "func:blue:top",
101                 .gpio      = LS_HGL_GPIO_LED_FUNC,
102                 .active_low     = 1,
103         }, {
104                 .name      = "power:blue:bottom",
105                 .gpio      = LS_HGL_GPIO_LED_PWR,
106         },
107 };
108
109 static struct gpio_led_platform_data ls_hgl_led_data = {
110         .leds      = ls_hgl_led_pins,
111         .num_leds       = ARRAY_SIZE(ls_hgl_led_pins),
112 };
113
114 static struct platform_device ls_hgl_leds = {
115         .name   = "leds-gpio",
116         .id     = -1,
117         .dev    = {
118                 .platform_data  = &ls_hgl_led_data,
119         },
120 };
121
122 /****************************************************************************
123  * GPIO Attached Keys
124  ****************************************************************************/
125 #define LS_HGL_GPIO_KEY_FUNC       15
126 #define LS_HGL_GPIO_KEY_POWER      8
127 #define LS_HGL_GPIO_KEY_AUTOPOWER  10
128
129 #define LS_HGL_SW_POWER     0x00
130 #define LS_HGL_SW_AUTOPOWER 0x01
131
132 static struct gpio_keys_button ls_hgl_buttons[] = {
133         {
134                 .code      = KEY_OPTION,
135                 .gpio      = LS_HGL_GPIO_KEY_FUNC,
136                 .desc      = "Function Button",
137                 .active_low     = 1,
138         }, {
139                 .type           = EV_SW,
140                 .code      = LS_HGL_SW_POWER,
141                 .gpio      = LS_HGL_GPIO_KEY_POWER,
142                 .desc      = "Power-on Switch",
143                 .active_low     = 1,
144         }, {
145                 .type           = EV_SW,
146                 .code      = LS_HGL_SW_AUTOPOWER,
147                 .gpio      = LS_HGL_GPIO_KEY_AUTOPOWER,
148                 .desc      = "Power-auto Switch",
149                 .active_low     = 1,
150         },
151 };
152
153 static struct gpio_keys_platform_data ls_hgl_button_data = {
154         .buttons        = ls_hgl_buttons,
155         .nbuttons       = ARRAY_SIZE(ls_hgl_buttons),
156 };
157
158 static struct platform_device ls_hgl_button_device = {
159         .name      = "gpio-keys",
160         .id          = -1,
161         .num_resources  = 0,
162         .dev        = {
163                 .platform_data  = &ls_hgl_button_data,
164         },
165 };
166
167
168 /*****************************************************************************
169  * SATA
170  ****************************************************************************/
171 static struct mv_sata_platform_data ls_hgl_sata_data = {
172         .n_ports        = 2,
173 };
174
175
176 /*****************************************************************************
177  * Linkstation LS-HGL specific power off method: reboot
178  ****************************************************************************/
179 /*
180  * On the Linkstation LS-HGL, the shutdown process is following:
181  * - Userland monitors key events until the power switch goes to off position
182  * - The board reboots
183  * - U-boot starts and goes into an idle mode waiting for the user
184  *   to move the switch to ON position
185  */
186
187 static void ls_hgl_power_off(void)
188 {
189         arm_machine_restart('h', NULL);
190 }
191
192
193 /*****************************************************************************
194  * General Setup
195  ****************************************************************************/
196
197 #define LS_HGL_GPIO_USB_POWER   9
198 #define LS_HGL_GPIO_AUTO_POWER  10
199 #define LS_HGL_GPIO_POWER           8
200
201 #define LS_HGL_GPIO_HDD_POWER   1
202
203 static struct orion5x_mpp_mode ls_hgl_mpp_modes[] __initdata = {
204         {  0, MPP_GPIO }, /* LED_PWR */
205         {  1, MPP_GPIO }, /* HDD_PWR */
206         {  2, MPP_GPIO }, /* LED_ALARM */
207         {  3, MPP_GPIO }, /* LED_INFO */
208         {  4, MPP_UNUSED },
209         {  5, MPP_UNUSED },
210         {  6, MPP_GPIO }, /* FAN_LCK */
211         {  7, MPP_GPIO }, /* INIT */
212         {  8, MPP_GPIO }, /* POWER */
213         {  9, MPP_GPIO }, /* USB_PWR */
214         { 10, MPP_GPIO }, /* AUTO_POWER */
215         { 11, MPP_UNUSED }, /* LED_ETH (dummy) */
216         { 12, MPP_UNUSED },
217         { 13, MPP_UNUSED },
218         { 14, MPP_UNUSED },
219         { 15, MPP_GPIO }, /* FUNC */
220         { 16, MPP_UNUSED },
221         { 17, MPP_GPIO }, /* LED_FUNC */
222         { 18, MPP_UNUSED },
223         { 19, MPP_UNUSED },
224         { -1 },
225 };
226
227 static void __init ls_hgl_init(void)
228 {
229         /*
230          * Setup basic Orion functions. Need to be called early.
231          */
232         orion5x_init();
233
234         orion5x_mpp_conf(ls_hgl_mpp_modes);
235
236         /*
237          * Configure peripherals.
238          */
239         orion5x_ehci0_init();
240         orion5x_ehci1_init();
241         orion5x_eth_init(&ls_hgl_eth_data);
242         orion5x_i2c_init();
243         orion5x_sata_init(&ls_hgl_sata_data);
244         orion5x_uart0_init();
245         orion5x_xor_init();
246
247         orion5x_setup_dev_boot_win(LS_HGL_NOR_BOOT_BASE,
248                                    LS_HGL_NOR_BOOT_SIZE);
249         platform_device_register(&ls_hgl_nor_flash);
250
251         platform_device_register(&ls_hgl_button_device);
252
253         platform_device_register(&ls_hgl_leds);
254
255         i2c_register_board_info(0, &ls_hgl_i2c_rtc, 1);
256
257         /* enable USB power */
258         gpio_set_value(LS_HGL_GPIO_USB_POWER, 1);
259
260         /* register power-off method */
261         pm_power_off = ls_hgl_power_off;
262
263         pr_info("%s: finished\n", __func__);
264 }
265
266 MACHINE_START(LINKSTATION_LS_HGL, "Buffalo Linkstation LS-HGL")
267         /* Maintainer: Zhu Qingsen <zhuqs@cn.fujistu.com> */
268         .phys_io        = ORION5X_REGS_PHYS_BASE,
269         .io_pg_offst    = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
270         .boot_params    = 0x00000100,
271         .init_machine   = ls_hgl_init,
272         .map_io         = orion5x_map_io,
273         .init_irq       = orion5x_init_irq,
274         .timer          = &orion5x_timer,
275         .fixup          = tag_fixup_mem32,
276 MACHINE_END