Commit | Line | Data |
---|---|---|
7ec753cc SB |
1 | /* |
2 | * Maxtor Shared Storage II Board Setup | |
3 | * | |
4 | * Maintainer: Sylver Bruneau <sylver.bruneau@googlemail.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version | |
9 | * 2 of the License, or (at your option) any later version. | |
10 | */ | |
11 | ||
12 | #include <linux/kernel.h> | |
13 | #include <linux/init.h> | |
14 | #include <linux/platform_device.h> | |
15 | #include <linux/pci.h> | |
16 | #include <linux/irq.h> | |
17 | #include <linux/mtd/physmap.h> | |
18 | #include <linux/mv643xx_eth.h> | |
19 | #include <linux/leds.h> | |
20 | #include <linux/gpio_keys.h> | |
21 | #include <linux/input.h> | |
22 | #include <linux/i2c.h> | |
23 | #include <linux/ata_platform.h> | |
24 | #include <linux/gpio.h> | |
25 | #include <asm/mach-types.h> | |
26 | #include <asm/mach/arch.h> | |
27 | #include <asm/mach/pci.h> | |
a09e64fb | 28 | #include <mach/orion5x.h> |
7ec753cc SB |
29 | #include "common.h" |
30 | #include "mpp.h" | |
31 | ||
32 | #define MSS2_NOR_BOOT_BASE 0xff800000 | |
33 | #define MSS2_NOR_BOOT_SIZE SZ_256K | |
34 | ||
35 | /***************************************************************************** | |
36 | * Maxtor Shared Storage II Info | |
37 | ****************************************************************************/ | |
38 | ||
39 | /* | |
40 | * Maxtor Shared Storage II hardware : | |
41 | * - Marvell 88F5182-A2 C500 | |
42 | * - Marvell 88E1111 Gigabit Ethernet PHY | |
43 | * - RTC M41T81 (@0x68) on I2C bus | |
44 | * - 256KB NOR flash | |
45 | * - 64MB of RAM | |
46 | */ | |
47 | ||
48 | /***************************************************************************** | |
49 | * 256KB NOR Flash on BOOT Device | |
50 | ****************************************************************************/ | |
51 | ||
52 | static struct physmap_flash_data mss2_nor_flash_data = { | |
53 | .width = 1, | |
54 | }; | |
55 | ||
56 | static struct resource mss2_nor_flash_resource = { | |
57 | .flags = IORESOURCE_MEM, | |
58 | .start = MSS2_NOR_BOOT_BASE, | |
59 | .end = MSS2_NOR_BOOT_BASE + MSS2_NOR_BOOT_SIZE - 1, | |
60 | }; | |
61 | ||
62 | static struct platform_device mss2_nor_flash = { | |
63 | .name = "physmap-flash", | |
64 | .id = 0, | |
65 | .dev = { | |
66 | .platform_data = &mss2_nor_flash_data, | |
67 | }, | |
68 | .resource = &mss2_nor_flash_resource, | |
69 | .num_resources = 1, | |
70 | }; | |
71 | ||
72 | /**************************************************************************** | |
73 | * PCI setup | |
74 | ****************************************************************************/ | |
75 | static int __init mss2_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | |
76 | { | |
77 | int irq; | |
78 | ||
79 | /* | |
80 | * Check for devices with hard-wired IRQs. | |
81 | */ | |
82 | irq = orion5x_pci_map_irq(dev, slot, pin); | |
83 | if (irq != -1) | |
84 | return irq; | |
85 | ||
86 | return -1; | |
87 | } | |
88 | ||
89 | static struct hw_pci mss2_pci __initdata = { | |
90 | .nr_controllers = 2, | |
91 | .swizzle = pci_std_swizzle, | |
92 | .setup = orion5x_pci_sys_setup, | |
93 | .scan = orion5x_pci_sys_scan_bus, | |
94 | .map_irq = mss2_pci_map_irq, | |
95 | }; | |
96 | ||
97 | static int __init mss2_pci_init(void) | |
98 | { | |
99 | if (machine_is_mss2()) | |
100 | pci_common_init(&mss2_pci); | |
101 | ||
102 | return 0; | |
103 | } | |
104 | subsys_initcall(mss2_pci_init); | |
105 | ||
106 | ||
107 | /***************************************************************************** | |
108 | * Ethernet | |
109 | ****************************************************************************/ | |
110 | ||
111 | static struct mv643xx_eth_platform_data mss2_eth_data = { | |
112 | .phy_addr = 8, | |
113 | }; | |
114 | ||
115 | /***************************************************************************** | |
116 | * SATA | |
117 | ****************************************************************************/ | |
118 | ||
119 | static struct mv_sata_platform_data mss2_sata_data = { | |
120 | .n_ports = 2, | |
121 | }; | |
122 | ||
123 | /***************************************************************************** | |
124 | * GPIO buttons | |
125 | ****************************************************************************/ | |
126 | ||
127 | #define MSS2_GPIO_KEY_RESET 12 | |
128 | #define MSS2_GPIO_KEY_POWER 11 | |
129 | ||
130 | static struct gpio_keys_button mss2_buttons[] = { | |
131 | { | |
132 | .code = KEY_POWER, | |
133 | .gpio = MSS2_GPIO_KEY_POWER, | |
134 | .desc = "Power", | |
135 | .active_low = 1, | |
136 | }, { | |
137 | .code = KEY_RESTART, | |
138 | .gpio = MSS2_GPIO_KEY_RESET, | |
139 | .desc = "Reset", | |
140 | .active_low = 1, | |
141 | }, | |
142 | }; | |
143 | ||
144 | static struct gpio_keys_platform_data mss2_button_data = { | |
145 | .buttons = mss2_buttons, | |
146 | .nbuttons = ARRAY_SIZE(mss2_buttons), | |
147 | }; | |
148 | ||
149 | static struct platform_device mss2_button_device = { | |
150 | .name = "gpio-keys", | |
151 | .id = -1, | |
152 | .dev = { | |
153 | .platform_data = &mss2_button_data, | |
154 | }, | |
155 | }; | |
156 | ||
157 | /***************************************************************************** | |
158 | * RTC m41t81 on I2C bus | |
159 | ****************************************************************************/ | |
160 | ||
161 | #define MSS2_GPIO_RTC_IRQ 3 | |
162 | ||
163 | static struct i2c_board_info __initdata mss2_i2c_rtc = { | |
164 | I2C_BOARD_INFO("m41t81", 0x68), | |
165 | }; | |
166 | ||
167 | /***************************************************************************** | |
168 | * MSS2 power off method | |
169 | ****************************************************************************/ | |
170 | /* | |
171 | * On the Maxtor Shared Storage II, the shutdown process is the following : | |
172 | * - Userland modifies U-boot env to tell U-boot to go idle at next boot | |
173 | * - The board reboots | |
174 | * - U-boot starts and go into an idle mode until the user press "power" | |
175 | */ | |
176 | static void mss2_power_off(void) | |
177 | { | |
178 | u32 reg; | |
179 | ||
180 | /* | |
181 | * Enable and issue soft reset | |
182 | */ | |
183 | reg = readl(CPU_RESET_MASK); | |
184 | reg |= 1 << 2; | |
185 | writel(reg, CPU_RESET_MASK); | |
186 | ||
187 | reg = readl(CPU_SOFT_RESET); | |
188 | reg |= 1; | |
189 | writel(reg, CPU_SOFT_RESET); | |
190 | } | |
191 | ||
192 | /**************************************************************************** | |
193 | * General Setup | |
194 | ****************************************************************************/ | |
195 | static struct orion5x_mpp_mode mss2_mpp_modes[] __initdata = { | |
196 | { 0, MPP_GPIO }, /* Power LED */ | |
197 | { 1, MPP_GPIO }, /* Error LED */ | |
198 | { 2, MPP_UNUSED }, | |
199 | { 3, MPP_GPIO }, /* RTC interrupt */ | |
200 | { 4, MPP_GPIO }, /* HDD ind. (Single/Dual)*/ | |
201 | { 5, MPP_GPIO }, /* HD0 5V control */ | |
202 | { 6, MPP_GPIO }, /* HD0 12V control */ | |
203 | { 7, MPP_GPIO }, /* HD1 5V control */ | |
204 | { 8, MPP_GPIO }, /* HD1 12V control */ | |
205 | { 9, MPP_UNUSED }, | |
206 | { 10, MPP_GPIO }, /* Fan control */ | |
207 | { 11, MPP_GPIO }, /* Power button */ | |
208 | { 12, MPP_GPIO }, /* Reset button */ | |
209 | { 13, MPP_UNUSED }, | |
210 | { 14, MPP_SATA_LED }, /* SATA 0 active */ | |
211 | { 15, MPP_SATA_LED }, /* SATA 1 active */ | |
212 | { 16, MPP_UNUSED }, | |
213 | { 17, MPP_UNUSED }, | |
214 | { 18, MPP_UNUSED }, | |
215 | { 19, MPP_UNUSED }, | |
216 | { -1 }, | |
217 | }; | |
218 | ||
219 | static void __init mss2_init(void) | |
220 | { | |
221 | /* Setup basic Orion functions. Need to be called early. */ | |
222 | orion5x_init(); | |
223 | ||
224 | orion5x_mpp_conf(mss2_mpp_modes); | |
225 | ||
226 | /* | |
227 | * MPP[20] Unused | |
228 | * MPP[21] PCI clock | |
229 | * MPP[22] USB 0 over current | |
230 | * MPP[23] USB 1 over current | |
231 | */ | |
232 | ||
233 | /* | |
234 | * Configure peripherals. | |
235 | */ | |
236 | orion5x_ehci0_init(); | |
237 | orion5x_ehci1_init(); | |
238 | orion5x_eth_init(&mss2_eth_data); | |
239 | orion5x_i2c_init(); | |
240 | orion5x_sata_init(&mss2_sata_data); | |
241 | orion5x_uart0_init(); | |
242 | ||
243 | orion5x_setup_dev_boot_win(MSS2_NOR_BOOT_BASE, MSS2_NOR_BOOT_SIZE); | |
244 | platform_device_register(&mss2_nor_flash); | |
245 | ||
246 | platform_device_register(&mss2_button_device); | |
247 | ||
248 | if (gpio_request(MSS2_GPIO_RTC_IRQ, "rtc") == 0) { | |
249 | if (gpio_direction_input(MSS2_GPIO_RTC_IRQ) == 0) | |
250 | mss2_i2c_rtc.irq = gpio_to_irq(MSS2_GPIO_RTC_IRQ); | |
251 | else | |
252 | gpio_free(MSS2_GPIO_RTC_IRQ); | |
253 | } | |
254 | i2c_register_board_info(0, &mss2_i2c_rtc, 1); | |
255 | ||
256 | /* register mss2 specific power-off method */ | |
257 | pm_power_off = mss2_power_off; | |
258 | } | |
259 | ||
260 | MACHINE_START(MSS2, "Maxtor Shared Storage II") | |
261 | /* Maintainer: Sylver Bruneau <sylver.bruneau@googlemail.com> */ | |
262 | .phys_io = ORION5X_REGS_PHYS_BASE, | |
263 | .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC, | |
264 | .boot_params = 0x00000100, | |
265 | .init_machine = mss2_init, | |
266 | .map_io = orion5x_map_io, | |
267 | .init_irq = orion5x_init_irq, | |
268 | .timer = &orion5x_timer, | |
269 | .fixup = tag_fixup_mem32 | |
270 | MACHINE_END |