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1 /*
2  * Copyright (C) 2007 Herbert Valerio Riedel <[email protected]>
3  * Copyright (C) 2008 Martin Michlmayr <[email protected]>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU Lesser General Public License as
7  * published by the Free Software Foundation; either version 2 of the
8  * License, or (at your option) any later version.
9  */
10 #include <linux/gpio.h>
11 #include <linux/gpio/machine.h>
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/platform_device.h>
15 #include <linux/irq.h>
16 #include <linux/mtd/physmap.h>
17 #include <linux/mv643xx_eth.h>
18 #include <linux/leds.h>
19 #include <linux/gpio_keys.h>
20 #include <linux/input.h>
21 #include <linux/i2c.h>
22 #include <linux/ata_platform.h>
23 #include <asm/mach-types.h>
24 #include <asm/mach/arch.h>
25 #include "common.h"
26 #include "mpp.h"
27 #include "orion5x.h"
28
29 #define MV2120_NOR_BOOT_BASE    0xf4000000
30 #define MV2120_NOR_BOOT_SIZE    SZ_512K
31
32 #define MV2120_GPIO_RTC_IRQ     3
33 #define MV2120_GPIO_KEY_RESET   17
34 #define MV2120_GPIO_KEY_POWER   18
35 #define MV2120_GPIO_POWER_OFF   19
36
37
38 /*****************************************************************************
39  * Ethernet
40  ****************************************************************************/
41 static struct mv643xx_eth_platform_data mv2120_eth_data = {
42         .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
43 };
44
45 static struct mv_sata_platform_data mv2120_sata_data = {
46         .n_ports        = 2,
47 };
48
49 static struct mtd_partition mv2120_partitions[] = {
50         {
51                 .name   = "firmware",
52                 .size   = 0x00080000,
53                 .offset = 0,
54         },
55 };
56
57 static struct physmap_flash_data mv2120_nor_flash_data = {
58         .width          = 1,
59         .parts          = mv2120_partitions,
60         .nr_parts       = ARRAY_SIZE(mv2120_partitions)
61 };
62
63 static struct resource mv2120_nor_flash_resource = {
64         .flags          = IORESOURCE_MEM,
65         .start          = MV2120_NOR_BOOT_BASE,
66         .end            = MV2120_NOR_BOOT_BASE + MV2120_NOR_BOOT_SIZE - 1,
67 };
68
69 static struct platform_device mv2120_nor_flash = {
70         .name           = "physmap-flash",
71         .id             = 0,
72         .dev            = {
73                 .platform_data  = &mv2120_nor_flash_data,
74         },
75         .resource       = &mv2120_nor_flash_resource,
76         .num_resources  = 1,
77 };
78
79 static struct gpio_keys_button mv2120_buttons[] = {
80         {
81                 .code           = KEY_RESTART,
82                 .gpio           = MV2120_GPIO_KEY_RESET,
83                 .desc           = "reset",
84                 .active_low     = 1,
85         }, {
86                 .code           = KEY_POWER,
87                 .gpio           = MV2120_GPIO_KEY_POWER,
88                 .desc           = "power",
89                 .active_low     = 1,
90         },
91 };
92
93 static struct gpio_keys_platform_data mv2120_button_data = {
94         .buttons        = mv2120_buttons,
95         .nbuttons       = ARRAY_SIZE(mv2120_buttons),
96 };
97
98 static struct platform_device mv2120_button_device = {
99         .name           = "gpio-keys",
100         .id             = -1,
101         .num_resources  = 0,
102         .dev            = {
103                 .platform_data  = &mv2120_button_data,
104         },
105 };
106
107
108 /****************************************************************************
109  * General Setup
110  ****************************************************************************/
111 static unsigned int mv2120_mpp_modes[] __initdata = {
112         MPP0_GPIO,              /* Sys status LED */
113         MPP1_GPIO,              /* Sys error LED */
114         MPP2_GPIO,              /* OverTemp interrupt */
115         MPP3_GPIO,              /* RTC interrupt */
116         MPP4_GPIO,              /* V_LED 5V */
117         MPP5_GPIO,              /* V_LED 3.3V */
118         MPP6_UNUSED,
119         MPP7_UNUSED,
120         MPP8_GPIO,              /* SATA 0 fail LED */
121         MPP9_GPIO,              /* SATA 1 fail LED */
122         MPP10_UNUSED,
123         MPP11_UNUSED,
124         MPP12_SATA_LED,         /* SATA 0 presence */
125         MPP13_SATA_LED,         /* SATA 1 presence */
126         MPP14_SATA_LED,         /* SATA 0 active */
127         MPP15_SATA_LED,         /* SATA 1 active */
128         MPP16_UNUSED,
129         MPP17_GPIO,             /* Reset button */
130         MPP18_GPIO,             /* Power button */
131         MPP19_GPIO,             /* Power off */
132         0,
133 };
134
135 static struct i2c_board_info __initdata mv2120_i2c_rtc = {
136         I2C_BOARD_INFO("pcf8563", 0x51),
137         .irq    = 0,
138 };
139
140 static struct gpio_led mv2120_led_pins[] = {
141         {
142                 .name                   = "mv2120:blue:health",
143         },
144         {
145                 .name                   = "mv2120:red:health",
146         },
147         {
148                 .name                   = "mv2120:led:bright",
149                 .default_trigger        = "default-on",
150         },
151         {
152                 .name                   = "mv2120:led:dimmed",
153         },
154         {
155                 .name                   = "mv2120:red:sata0",
156         },
157         {
158                 .name                   = "mv2120:red:sata1",
159         },
160
161 };
162
163 static struct gpiod_lookup_table mv2120_leds_gpio_table = {
164         .dev_id = "leds-gpio",
165         .table = {
166                 GPIO_LOOKUP_IDX("orion_gpio0", 0, NULL,
167                                 0, GPIO_ACTIVE_HIGH),
168                 GPIO_LOOKUP_IDX("orion_gpio0", 1, NULL,
169                                 1, GPIO_ACTIVE_HIGH),
170                 GPIO_LOOKUP_IDX("orion_gpio0", 4, NULL,
171                                 2, GPIO_ACTIVE_HIGH),
172                 GPIO_LOOKUP_IDX("orion_gpio0", 5, NULL,
173                                 3, GPIO_ACTIVE_HIGH),
174                 GPIO_LOOKUP_IDX("orion_gpio0", 8, NULL,
175                                 4, GPIO_ACTIVE_LOW),
176                 GPIO_LOOKUP_IDX("orion_gpio0", 9, NULL,
177                                 5, GPIO_ACTIVE_LOW),
178                 { },
179         },
180 };
181
182 static struct gpio_led_platform_data mv2120_led_data = {
183         .leds           = mv2120_led_pins,
184         .num_leds       = ARRAY_SIZE(mv2120_led_pins),
185 };
186
187 static struct platform_device mv2120_leds = {
188         .name   = "leds-gpio",
189         .id     = -1,
190         .dev    = {
191                 .platform_data  = &mv2120_led_data,
192         }
193 };
194
195 static void mv2120_power_off(void)
196 {
197         pr_info("%s: triggering power-off...\n", __func__);
198         gpio_set_value(MV2120_GPIO_POWER_OFF, 0);
199 }
200
201 static void __init mv2120_init(void)
202 {
203         /* Setup basic Orion functions. Need to be called early. */
204         orion5x_init();
205
206         orion5x_mpp_conf(mv2120_mpp_modes);
207
208         /*
209          * Configure peripherals.
210          */
211         orion5x_ehci0_init();
212         orion5x_ehci1_init();
213         orion5x_eth_init(&mv2120_eth_data);
214         orion5x_i2c_init();
215         orion5x_sata_init(&mv2120_sata_data);
216         orion5x_uart0_init();
217         orion5x_xor_init();
218
219         mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
220                                     ORION_MBUS_DEVBUS_BOOT_ATTR,
221                                     MV2120_NOR_BOOT_BASE,
222                                     MV2120_NOR_BOOT_SIZE);
223         platform_device_register(&mv2120_nor_flash);
224
225         platform_device_register(&mv2120_button_device);
226
227         if (gpio_request(MV2120_GPIO_RTC_IRQ, "rtc") == 0) {
228                 if (gpio_direction_input(MV2120_GPIO_RTC_IRQ) == 0)
229                         mv2120_i2c_rtc.irq = gpio_to_irq(MV2120_GPIO_RTC_IRQ);
230                 else
231                         gpio_free(MV2120_GPIO_RTC_IRQ);
232         }
233         i2c_register_board_info(0, &mv2120_i2c_rtc, 1);
234         gpiod_add_lookup_table(&mv2120_leds_gpio_table);
235         platform_device_register(&mv2120_leds);
236
237         /* register mv2120 specific power-off method */
238         if (gpio_request(MV2120_GPIO_POWER_OFF, "POWEROFF") != 0 ||
239             gpio_direction_output(MV2120_GPIO_POWER_OFF, 1) != 0)
240                 pr_err("mv2120: failed to setup power-off GPIO\n");
241         register_platform_power_off(mv2120_power_off);
242 }
243
244 /* Warning: HP uses a wrong mach-type (=526) in their bootloader */
245 MACHINE_START(MV2120, "HP Media Vault mv2120")
246         /* Maintainer: Martin Michlmayr <[email protected]> */
247         .atag_offset    = 0x100,
248         .nr_irqs        = ORION5X_NR_IRQS,
249         .init_machine   = mv2120_init,
250         .map_io         = orion5x_map_io,
251         .init_early     = orion5x_init_early,
252         .init_irq       = orion5x_init_irq,
253         .init_time      = orion5x_timer_init,
254         .fixup          = tag_fixup_mem32,
255         .restart        = orion5x_restart,
256 MACHINE_END
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