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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> |
fdd8b079 | 29 | #include <mach/bridge-regs.h> |
7ec753cc SB |
30 | #include "common.h" |
31 | #include "mpp.h" | |
32 | ||
33 | #define MSS2_NOR_BOOT_BASE 0xff800000 | |
34 | #define MSS2_NOR_BOOT_SIZE SZ_256K | |
35 | ||
36 | /***************************************************************************** | |
37 | * Maxtor Shared Storage II Info | |
38 | ****************************************************************************/ | |
39 | ||
40 | /* | |
41 | * Maxtor Shared Storage II hardware : | |
42 | * - Marvell 88F5182-A2 C500 | |
43 | * - Marvell 88E1111 Gigabit Ethernet PHY | |
44 | * - RTC M41T81 (@0x68) on I2C bus | |
45 | * - 256KB NOR flash | |
46 | * - 64MB of RAM | |
47 | */ | |
48 | ||
49 | /***************************************************************************** | |
50 | * 256KB NOR Flash on BOOT Device | |
51 | ****************************************************************************/ | |
52 | ||
53 | static struct physmap_flash_data mss2_nor_flash_data = { | |
54 | .width = 1, | |
55 | }; | |
56 | ||
57 | static struct resource mss2_nor_flash_resource = { | |
58 | .flags = IORESOURCE_MEM, | |
59 | .start = MSS2_NOR_BOOT_BASE, | |
60 | .end = MSS2_NOR_BOOT_BASE + MSS2_NOR_BOOT_SIZE - 1, | |
61 | }; | |
62 | ||
63 | static struct platform_device mss2_nor_flash = { | |
64 | .name = "physmap-flash", | |
65 | .id = 0, | |
66 | .dev = { | |
67 | .platform_data = &mss2_nor_flash_data, | |
68 | }, | |
69 | .resource = &mss2_nor_flash_resource, | |
70 | .num_resources = 1, | |
71 | }; | |
72 | ||
73 | /**************************************************************************** | |
74 | * PCI setup | |
75 | ****************************************************************************/ | |
76 | static int __init mss2_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | |
77 | { | |
78 | int irq; | |
79 | ||
80 | /* | |
81 | * Check for devices with hard-wired IRQs. | |
82 | */ | |
83 | irq = orion5x_pci_map_irq(dev, slot, pin); | |
84 | if (irq != -1) | |
85 | return irq; | |
86 | ||
87 | return -1; | |
88 | } | |
89 | ||
90 | static struct hw_pci mss2_pci __initdata = { | |
91 | .nr_controllers = 2, | |
92 | .swizzle = pci_std_swizzle, | |
93 | .setup = orion5x_pci_sys_setup, | |
94 | .scan = orion5x_pci_sys_scan_bus, | |
95 | .map_irq = mss2_pci_map_irq, | |
96 | }; | |
97 | ||
98 | static int __init mss2_pci_init(void) | |
99 | { | |
100 | if (machine_is_mss2()) | |
101 | pci_common_init(&mss2_pci); | |
102 | ||
103 | return 0; | |
104 | } | |
105 | subsys_initcall(mss2_pci_init); | |
106 | ||
107 | ||
108 | /***************************************************************************** | |
109 | * Ethernet | |
110 | ****************************************************************************/ | |
111 | ||
112 | static struct mv643xx_eth_platform_data mss2_eth_data = { | |
ac840605 | 113 | .phy_addr = MV643XX_ETH_PHY_ADDR(8), |
7ec753cc SB |
114 | }; |
115 | ||
116 | /***************************************************************************** | |
117 | * SATA | |
118 | ****************************************************************************/ | |
119 | ||
120 | static struct mv_sata_platform_data mss2_sata_data = { | |
121 | .n_ports = 2, | |
122 | }; | |
123 | ||
124 | /***************************************************************************** | |
125 | * GPIO buttons | |
126 | ****************************************************************************/ | |
127 | ||
128 | #define MSS2_GPIO_KEY_RESET 12 | |
129 | #define MSS2_GPIO_KEY_POWER 11 | |
130 | ||
131 | static struct gpio_keys_button mss2_buttons[] = { | |
132 | { | |
133 | .code = KEY_POWER, | |
134 | .gpio = MSS2_GPIO_KEY_POWER, | |
135 | .desc = "Power", | |
136 | .active_low = 1, | |
137 | }, { | |
138 | .code = KEY_RESTART, | |
139 | .gpio = MSS2_GPIO_KEY_RESET, | |
140 | .desc = "Reset", | |
141 | .active_low = 1, | |
142 | }, | |
143 | }; | |
144 | ||
145 | static struct gpio_keys_platform_data mss2_button_data = { | |
146 | .buttons = mss2_buttons, | |
147 | .nbuttons = ARRAY_SIZE(mss2_buttons), | |
148 | }; | |
149 | ||
150 | static struct platform_device mss2_button_device = { | |
151 | .name = "gpio-keys", | |
152 | .id = -1, | |
153 | .dev = { | |
154 | .platform_data = &mss2_button_data, | |
155 | }, | |
156 | }; | |
157 | ||
158 | /***************************************************************************** | |
159 | * RTC m41t81 on I2C bus | |
160 | ****************************************************************************/ | |
161 | ||
162 | #define MSS2_GPIO_RTC_IRQ 3 | |
163 | ||
164 | static struct i2c_board_info __initdata mss2_i2c_rtc = { | |
165 | I2C_BOARD_INFO("m41t81", 0x68), | |
166 | }; | |
167 | ||
168 | /***************************************************************************** | |
169 | * MSS2 power off method | |
170 | ****************************************************************************/ | |
171 | /* | |
172 | * On the Maxtor Shared Storage II, the shutdown process is the following : | |
173 | * - Userland modifies U-boot env to tell U-boot to go idle at next boot | |
174 | * - The board reboots | |
175 | * - U-boot starts and go into an idle mode until the user press "power" | |
176 | */ | |
177 | static void mss2_power_off(void) | |
178 | { | |
179 | u32 reg; | |
180 | ||
181 | /* | |
182 | * Enable and issue soft reset | |
183 | */ | |
6462c616 | 184 | reg = readl(RSTOUTn_MASK); |
7ec753cc | 185 | reg |= 1 << 2; |
6462c616 | 186 | writel(reg, RSTOUTn_MASK); |
7ec753cc SB |
187 | |
188 | reg = readl(CPU_SOFT_RESET); | |
189 | reg |= 1; | |
190 | writel(reg, CPU_SOFT_RESET); | |
191 | } | |
192 | ||
193 | /**************************************************************************** | |
194 | * General Setup | |
195 | ****************************************************************************/ | |
196 | static struct orion5x_mpp_mode mss2_mpp_modes[] __initdata = { | |
197 | { 0, MPP_GPIO }, /* Power LED */ | |
198 | { 1, MPP_GPIO }, /* Error LED */ | |
199 | { 2, MPP_UNUSED }, | |
200 | { 3, MPP_GPIO }, /* RTC interrupt */ | |
201 | { 4, MPP_GPIO }, /* HDD ind. (Single/Dual)*/ | |
202 | { 5, MPP_GPIO }, /* HD0 5V control */ | |
203 | { 6, MPP_GPIO }, /* HD0 12V control */ | |
204 | { 7, MPP_GPIO }, /* HD1 5V control */ | |
205 | { 8, MPP_GPIO }, /* HD1 12V control */ | |
206 | { 9, MPP_UNUSED }, | |
207 | { 10, MPP_GPIO }, /* Fan control */ | |
208 | { 11, MPP_GPIO }, /* Power button */ | |
209 | { 12, MPP_GPIO }, /* Reset button */ | |
210 | { 13, MPP_UNUSED }, | |
211 | { 14, MPP_SATA_LED }, /* SATA 0 active */ | |
212 | { 15, MPP_SATA_LED }, /* SATA 1 active */ | |
213 | { 16, MPP_UNUSED }, | |
214 | { 17, MPP_UNUSED }, | |
215 | { 18, MPP_UNUSED }, | |
216 | { 19, MPP_UNUSED }, | |
217 | { -1 }, | |
218 | }; | |
219 | ||
220 | static void __init mss2_init(void) | |
221 | { | |
222 | /* Setup basic Orion functions. Need to be called early. */ | |
223 | orion5x_init(); | |
224 | ||
225 | orion5x_mpp_conf(mss2_mpp_modes); | |
226 | ||
227 | /* | |
228 | * MPP[20] Unused | |
229 | * MPP[21] PCI clock | |
230 | * MPP[22] USB 0 over current | |
231 | * MPP[23] USB 1 over current | |
232 | */ | |
233 | ||
234 | /* | |
235 | * Configure peripherals. | |
236 | */ | |
237 | orion5x_ehci0_init(); | |
238 | orion5x_ehci1_init(); | |
239 | orion5x_eth_init(&mss2_eth_data); | |
240 | orion5x_i2c_init(); | |
241 | orion5x_sata_init(&mss2_sata_data); | |
242 | orion5x_uart0_init(); | |
1d5a1a6e | 243 | orion5x_xor_init(); |
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244 | |
245 | orion5x_setup_dev_boot_win(MSS2_NOR_BOOT_BASE, MSS2_NOR_BOOT_SIZE); | |
246 | platform_device_register(&mss2_nor_flash); | |
247 | ||
248 | platform_device_register(&mss2_button_device); | |
249 | ||
250 | if (gpio_request(MSS2_GPIO_RTC_IRQ, "rtc") == 0) { | |
251 | if (gpio_direction_input(MSS2_GPIO_RTC_IRQ) == 0) | |
252 | mss2_i2c_rtc.irq = gpio_to_irq(MSS2_GPIO_RTC_IRQ); | |
253 | else | |
254 | gpio_free(MSS2_GPIO_RTC_IRQ); | |
255 | } | |
256 | i2c_register_board_info(0, &mss2_i2c_rtc, 1); | |
257 | ||
258 | /* register mss2 specific power-off method */ | |
259 | pm_power_off = mss2_power_off; | |
260 | } | |
261 | ||
262 | MACHINE_START(MSS2, "Maxtor Shared Storage II") | |
263 | /* Maintainer: Sylver Bruneau <sylver.bruneau@googlemail.com> */ | |
264 | .phys_io = ORION5X_REGS_PHYS_BASE, | |
265 | .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC, | |
266 | .boot_params = 0x00000100, | |
267 | .init_machine = mss2_init, | |
268 | .map_io = orion5x_map_io, | |
269 | .init_irq = orion5x_init_irq, | |
270 | .timer = &orion5x_timer, | |
271 | .fixup = tag_fixup_mem32 | |
272 | MACHINE_END |