diff options
Diffstat (limited to 'arch/arm/mach-orion5x/edmini_v2-setup.c')
-rw-r--r-- | arch/arm/mach-orion5x/edmini_v2-setup.c | 262 |
1 files changed, 262 insertions, 0 deletions
diff --git a/arch/arm/mach-orion5x/edmini_v2-setup.c b/arch/arm/mach-orion5x/edmini_v2-setup.c new file mode 100644 index 000000000000..b24ee0c2cd61 --- /dev/null +++ b/arch/arm/mach-orion5x/edmini_v2-setup.c | |||
@@ -0,0 +1,262 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-orion5x/edmini_v2-setup.c | ||
3 | * | ||
4 | * LaCie Ethernet Disk mini V2 Setup | ||
5 | * | ||
6 | * Copyright (C) 2008 Christopher Moore <moore@free.fr> | ||
7 | * Copyright (C) 2008 Albert Aribaud <albert.aribaud@free.fr> | ||
8 | * | ||
9 | * This file is licensed under the terms of the GNU General Public | ||
10 | * License version 2. This program is licensed "as is" without any | ||
11 | * warranty of any kind, whether express or implied. | ||
12 | */ | ||
13 | |||
14 | /* | ||
15 | * TODO: add Orion USB device port init when kernel.org support is added. | ||
16 | * TODO: add flash write support: see below. | ||
17 | * TODO: add power-off support. | ||
18 | * TODO: add I2C EEPROM support. | ||
19 | */ | ||
20 | |||
21 | #include <linux/kernel.h> | ||
22 | #include <linux/init.h> | ||
23 | #include <linux/platform_device.h> | ||
24 | #include <linux/pci.h> | ||
25 | #include <linux/irq.h> | ||
26 | #include <linux/mtd/physmap.h> | ||
27 | #include <linux/mv643xx_eth.h> | ||
28 | #include <linux/leds.h> | ||
29 | #include <linux/gpio_keys.h> | ||
30 | #include <linux/input.h> | ||
31 | #include <linux/i2c.h> | ||
32 | #include <linux/ata_platform.h> | ||
33 | #include <linux/gpio.h> | ||
34 | #include <asm/mach-types.h> | ||
35 | #include <asm/mach/arch.h> | ||
36 | #include <asm/mach/pci.h> | ||
37 | #include <mach/orion5x.h> | ||
38 | #include "common.h" | ||
39 | #include "mpp.h" | ||
40 | |||
41 | /***************************************************************************** | ||
42 | * EDMINI_V2 Info | ||
43 | ****************************************************************************/ | ||
44 | |||
45 | /* | ||
46 | * 512KB NOR flash Device bus boot chip select | ||
47 | */ | ||
48 | |||
49 | #define EDMINI_V2_NOR_BOOT_BASE 0xfff80000 | ||
50 | #define EDMINI_V2_NOR_BOOT_SIZE SZ_512K | ||
51 | |||
52 | /***************************************************************************** | ||
53 | * 512KB NOR Flash on BOOT Device | ||
54 | ****************************************************************************/ | ||
55 | |||
56 | /* | ||
57 | * Currently the MTD code does not recognize the MX29LV400CBCT as a bottom | ||
58 | * -type device. This could cause risks of accidentally erasing critical | ||
59 | * flash sectors. We thus define a single, write-protected partition covering | ||
60 | * the whole flash. | ||
61 | * TODO: once the flash part TOP/BOTTOM detection issue is sorted out in the MTD | ||
62 | * code, break this into at least three partitions: 'u-boot code', 'u-boot | ||
63 | * environment' and 'whatever is left'. | ||
64 | */ | ||
65 | |||
66 | static struct mtd_partition edmini_v2_partitions[] = { | ||
67 | { | ||
68 | .name = "Full512kb", | ||
69 | .size = 0x00080000, | ||
70 | .offset = 0x00000000, | ||
71 | .mask_flags = MTD_WRITEABLE, | ||
72 | }, | ||
73 | }; | ||
74 | |||
75 | static struct physmap_flash_data edmini_v2_nor_flash_data = { | ||
76 | .width = 1, | ||
77 | .parts = edmini_v2_partitions, | ||
78 | .nr_parts = ARRAY_SIZE(edmini_v2_partitions), | ||
79 | }; | ||
80 | |||
81 | static struct resource edmini_v2_nor_flash_resource = { | ||
82 | .flags = IORESOURCE_MEM, | ||
83 | .start = EDMINI_V2_NOR_BOOT_BASE, | ||
84 | .end = EDMINI_V2_NOR_BOOT_BASE | ||
85 | + EDMINI_V2_NOR_BOOT_SIZE - 1, | ||
86 | }; | ||
87 | |||
88 | static struct platform_device edmini_v2_nor_flash = { | ||
89 | .name = "physmap-flash", | ||
90 | .id = 0, | ||
91 | .dev = { | ||
92 | .platform_data = &edmini_v2_nor_flash_data, | ||
93 | }, | ||
94 | .num_resources = 1, | ||
95 | .resource = &edmini_v2_nor_flash_resource, | ||
96 | }; | ||
97 | |||
98 | /***************************************************************************** | ||
99 | * Ethernet | ||
100 | ****************************************************************************/ | ||
101 | |||
102 | static struct mv643xx_eth_platform_data edmini_v2_eth_data = { | ||
103 | .phy_addr = 8, | ||
104 | }; | ||
105 | |||
106 | /***************************************************************************** | ||
107 | * RTC 5C372a on I2C bus | ||
108 | ****************************************************************************/ | ||
109 | |||
110 | #define EDMINIV2_RTC_GPIO 3 | ||
111 | |||
112 | static struct i2c_board_info __initdata edmini_v2_i2c_rtc = { | ||
113 | I2C_BOARD_INFO("rs5c372a", 0x32), | ||
114 | .irq = 0, | ||
115 | }; | ||
116 | |||
117 | /***************************************************************************** | ||
118 | * Sata | ||
119 | ****************************************************************************/ | ||
120 | |||
121 | static struct mv_sata_platform_data edmini_v2_sata_data = { | ||
122 | .n_ports = 2, | ||
123 | }; | ||
124 | |||
125 | /***************************************************************************** | ||
126 | * GPIO LED (simple - doesn't use hardware blinking support) | ||
127 | ****************************************************************************/ | ||
128 | |||
129 | #define EDMINI_V2_GPIO_LED_POWER 16 | ||
130 | |||
131 | static struct gpio_led edmini_v2_leds[] = { | ||
132 | { | ||
133 | .name = "power:blue", | ||
134 | .gpio = EDMINI_V2_GPIO_LED_POWER, | ||
135 | .active_low = 1, | ||
136 | }, | ||
137 | }; | ||
138 | |||
139 | static struct gpio_led_platform_data edmini_v2_led_data = { | ||
140 | .num_leds = ARRAY_SIZE(edmini_v2_leds), | ||
141 | .leds = edmini_v2_leds, | ||
142 | }; | ||
143 | |||
144 | static struct platform_device edmini_v2_gpio_leds = { | ||
145 | .name = "leds-gpio", | ||
146 | .id = -1, | ||
147 | .dev = { | ||
148 | .platform_data = &edmini_v2_led_data, | ||
149 | }, | ||
150 | }; | ||
151 | |||
152 | /**************************************************************************** | ||
153 | * GPIO key | ||
154 | ****************************************************************************/ | ||
155 | |||
156 | #define EDMINI_V2_GPIO_KEY_POWER 18 | ||
157 | |||
158 | static struct gpio_keys_button edmini_v2_buttons[] = { | ||
159 | { | ||
160 | .code = KEY_POWER, | ||
161 | .gpio = EDMINI_V2_GPIO_KEY_POWER, | ||
162 | .desc = "Power Button", | ||
163 | .active_low = 0, | ||
164 | }, | ||
165 | }; | ||
166 | |||
167 | static struct gpio_keys_platform_data edmini_v2_button_data = { | ||
168 | .buttons = edmini_v2_buttons, | ||
169 | .nbuttons = ARRAY_SIZE(edmini_v2_buttons), | ||
170 | }; | ||
171 | |||
172 | static struct platform_device edmini_v2_gpio_buttons = { | ||
173 | .name = "gpio-keys", | ||
174 | .id = -1, | ||
175 | .dev = { | ||
176 | .platform_data = &edmini_v2_button_data, | ||
177 | }, | ||
178 | }; | ||
179 | |||
180 | /***************************************************************************** | ||
181 | * General Setup | ||
182 | ****************************************************************************/ | ||
183 | static struct orion5x_mpp_mode edminiv2_mpp_modes[] __initdata = { | ||
184 | { 0, MPP_UNUSED }, | ||
185 | { 1, MPP_UNUSED }, | ||
186 | { 2, MPP_UNUSED }, | ||
187 | { 3, MPP_GPIO }, /* RTC interrupt */ | ||
188 | { 4, MPP_UNUSED }, | ||
189 | { 5, MPP_UNUSED }, | ||
190 | { 6, MPP_UNUSED }, | ||
191 | { 7, MPP_UNUSED }, | ||
192 | { 8, MPP_UNUSED }, | ||
193 | { 9, MPP_UNUSED }, | ||
194 | { 10, MPP_UNUSED }, | ||
195 | { 11, MPP_UNUSED }, | ||
196 | { 12, MPP_SATA_LED }, /* SATA 0 presence */ | ||
197 | { 13, MPP_SATA_LED }, /* SATA 1 presence */ | ||
198 | { 14, MPP_SATA_LED }, /* SATA 0 active */ | ||
199 | { 15, MPP_SATA_LED }, /* SATA 1 active */ | ||
200 | /* 16: Power LED control (0 = On, 1 = Off) */ | ||
201 | { 16, MPP_GPIO }, | ||
202 | /* 17: Power LED control select (0 = CPLD, 1 = GPIO16) */ | ||
203 | { 17, MPP_GPIO }, | ||
204 | /* 18: Power button status (0 = Released, 1 = Pressed) */ | ||
205 | { 18, MPP_GPIO }, | ||
206 | { 19, MPP_UNUSED }, | ||
207 | { -1 } | ||
208 | }; | ||
209 | |||
210 | static void __init edmini_v2_init(void) | ||
211 | { | ||
212 | /* | ||
213 | * Setup basic Orion functions. Need to be called early. | ||
214 | */ | ||
215 | orion5x_init(); | ||
216 | |||
217 | orion5x_mpp_conf(edminiv2_mpp_modes); | ||
218 | |||
219 | /* | ||
220 | * Configure peripherals. | ||
221 | */ | ||
222 | orion5x_ehci0_init(); | ||
223 | orion5x_eth_init(&edmini_v2_eth_data); | ||
224 | orion5x_i2c_init(); | ||
225 | orion5x_sata_init(&edmini_v2_sata_data); | ||
226 | orion5x_uart0_init(); | ||
227 | |||
228 | orion5x_setup_dev_boot_win(EDMINI_V2_NOR_BOOT_BASE, | ||
229 | EDMINI_V2_NOR_BOOT_SIZE); | ||
230 | platform_device_register(&edmini_v2_nor_flash); | ||
231 | platform_device_register(&edmini_v2_gpio_leds); | ||
232 | platform_device_register(&edmini_v2_gpio_buttons); | ||
233 | |||
234 | pr_notice("edmini_v2: USB device port, flash write and power-off " | ||
235 | "are not yet supported.\n"); | ||
236 | |||
237 | /* Get RTC IRQ and register the chip */ | ||
238 | if (gpio_request(EDMINIV2_RTC_GPIO, "rtc") == 0) { | ||
239 | if (gpio_direction_input(EDMINIV2_RTC_GPIO) == 0) | ||
240 | edmini_v2_i2c_rtc.irq = gpio_to_irq(EDMINIV2_RTC_GPIO); | ||
241 | else | ||
242 | gpio_free(EDMINIV2_RTC_GPIO); | ||
243 | } | ||
244 | |||
245 | if (edmini_v2_i2c_rtc.irq == 0) | ||
246 | pr_warning("edmini_v2: failed to get RTC IRQ\n"); | ||
247 | |||
248 | i2c_register_board_info(0, &edmini_v2_i2c_rtc, 1); | ||
249 | } | ||
250 | |||
251 | /* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */ | ||
252 | MACHINE_START(EDMINI_V2, "LaCie Ethernet Disk mini V2") | ||
253 | /* Maintainer: Christopher Moore <moore@free.fr> */ | ||
254 | .phys_io = ORION5X_REGS_PHYS_BASE, | ||
255 | .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC, | ||
256 | .boot_params = 0x00000100, | ||
257 | .init_machine = edmini_v2_init, | ||
258 | .map_io = orion5x_map_io, | ||
259 | .init_irq = orion5x_init_irq, | ||
260 | .timer = &orion5x_timer, | ||
261 | .fixup = tag_fixup_mem32, | ||
262 | MACHINE_END | ||