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0eb66974 CM |
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> | |
3d014b01 AA |
28 | #include <linux/leds.h> |
29 | #include <linux/gpio_keys.h> | |
30 | #include <linux/input.h> | |
0eb66974 CM |
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 | ||
3d014b01 AA |
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 | ||
0eb66974 CM |
180 | /***************************************************************************** |
181 | * General Setup | |
182 | ****************************************************************************/ | |
554cdaef AL |
183 | static unsigned int edminiv2_mpp_modes[] __initdata = { |
184 | MPP0_UNUSED, | |
185 | MPP1_UNUSED, | |
186 | MPP2_UNUSED, | |
187 | MPP3_GPIO, /* RTC interrupt */ | |
188 | MPP4_UNUSED, | |
189 | MPP5_UNUSED, | |
190 | MPP6_UNUSED, | |
191 | MPP7_UNUSED, | |
192 | MPP8_UNUSED, | |
193 | MPP9_UNUSED, | |
194 | MPP10_UNUSED, | |
195 | MPP11_UNUSED, | |
196 | MPP12_SATA_LED, /* SATA 0 presence */ | |
197 | MPP13_SATA_LED, /* SATA 1 presence */ | |
198 | MPP14_SATA_LED, /* SATA 0 active */ | |
199 | MPP15_SATA_LED, /* SATA 1 active */ | |
0eb66974 | 200 | /* 16: Power LED control (0 = On, 1 = Off) */ |
554cdaef | 201 | MPP16_GPIO, |
0eb66974 | 202 | /* 17: Power LED control select (0 = CPLD, 1 = GPIO16) */ |
554cdaef | 203 | MPP17_GPIO, |
0eb66974 | 204 | /* 18: Power button status (0 = Released, 1 = Pressed) */ |
554cdaef AL |
205 | MPP18_GPIO, |
206 | MPP19_UNUSED, | |
207 | 0, | |
0eb66974 CM |
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); | |
3d014b01 AA |
231 | platform_device_register(&edmini_v2_gpio_leds); |
232 | platform_device_register(&edmini_v2_gpio_buttons); | |
0eb66974 CM |
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> */ | |
65aa1b1e | 254 | .atag_offset = 0x100, |
0eb66974 CM |
255 | .init_machine = edmini_v2_init, |
256 | .map_io = orion5x_map_io, | |
4ee1f6b5 | 257 | .init_early = orion5x_init_early, |
0eb66974 CM |
258 | .init_irq = orion5x_init_irq, |
259 | .timer = &orion5x_timer, | |
260 | .fixup = tag_fixup_mem32, | |
764cbcc2 | 261 | .restart = orion5x_restart, |
0eb66974 | 262 | MACHINE_END |