Commit | Line | Data |
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817eb210 | 1 | /* |
9dd0b194 | 2 | * arch/arm/mach-orion5x/rd88f5182-setup.c |
817eb210 RS |
3 | * |
4 | * Marvell Orion-NAS Reference Design Setup | |
5 | * | |
6 | * Maintainer: Ronen Shitrit <rshitrit@marvell.com> | |
7 | * | |
159ffb3a LB |
8 | * This file is licensed under the terms of the GNU General Public |
9 | * License version 2. This program is licensed "as is" without any | |
817eb210 RS |
10 | * warranty of any kind, whether express or implied. |
11 | */ | |
12 | ||
13 | #include <linux/kernel.h> | |
14 | #include <linux/init.h> | |
15 | #include <linux/platform_device.h> | |
16 | #include <linux/pci.h> | |
17 | #include <linux/irq.h> | |
18 | #include <linux/mtd/physmap.h> | |
19 | #include <linux/mv643xx_eth.h> | |
f244baa3 | 20 | #include <linux/ata_platform.h> |
817eb210 RS |
21 | #include <linux/i2c.h> |
22 | #include <asm/mach-types.h> | |
23 | #include <asm/gpio.h> | |
24 | #include <asm/leds.h> | |
25 | #include <asm/mach/arch.h> | |
26 | #include <asm/mach/pci.h> | |
9dd0b194 | 27 | #include <asm/arch/orion5x.h> |
817eb210 RS |
28 | #include "common.h" |
29 | ||
30 | /***************************************************************************** | |
31 | * RD-88F5182 Info | |
32 | ****************************************************************************/ | |
33 | ||
34 | /* | |
35 | * 512K NOR flash Device bus boot chip select | |
36 | */ | |
37 | ||
38 | #define RD88F5182_NOR_BOOT_BASE 0xf4000000 | |
39 | #define RD88F5182_NOR_BOOT_SIZE SZ_512K | |
40 | ||
41 | /* | |
42 | * 16M NOR flash on Device bus chip select 1 | |
43 | */ | |
44 | ||
45 | #define RD88F5182_NOR_BASE 0xfc000000 | |
46 | #define RD88F5182_NOR_SIZE SZ_16M | |
47 | ||
48 | /* | |
49 | * PCI | |
50 | */ | |
51 | ||
52 | #define RD88F5182_PCI_SLOT0_OFFS 7 | |
53 | #define RD88F5182_PCI_SLOT0_IRQ_A_PIN 7 | |
54 | #define RD88F5182_PCI_SLOT0_IRQ_B_PIN 6 | |
55 | ||
56 | /* | |
57 | * GPIO Debug LED | |
58 | */ | |
59 | ||
60 | #define RD88F5182_GPIO_DBG_LED 0 | |
61 | ||
62 | /***************************************************************************** | |
63 | * 16M NOR Flash on Device bus CS1 | |
64 | ****************************************************************************/ | |
65 | ||
66 | static struct physmap_flash_data rd88f5182_nor_flash_data = { | |
67 | .width = 1, | |
68 | }; | |
69 | ||
70 | static struct resource rd88f5182_nor_flash_resource = { | |
71 | .flags = IORESOURCE_MEM, | |
72 | .start = RD88F5182_NOR_BASE, | |
73 | .end = RD88F5182_NOR_BASE + RD88F5182_NOR_SIZE - 1, | |
74 | }; | |
75 | ||
76 | static struct platform_device rd88f5182_nor_flash = { | |
77 | .name = "physmap-flash", | |
78 | .id = 0, | |
79 | .dev = { | |
80 | .platform_data = &rd88f5182_nor_flash_data, | |
81 | }, | |
82 | .num_resources = 1, | |
83 | .resource = &rd88f5182_nor_flash_resource, | |
84 | }; | |
85 | ||
86 | #ifdef CONFIG_LEDS | |
87 | ||
88 | /***************************************************************************** | |
89 | * Use GPIO debug led as CPU active indication | |
90 | ****************************************************************************/ | |
91 | ||
92 | static void rd88f5182_dbgled_event(led_event_t evt) | |
93 | { | |
94 | int val; | |
95 | ||
96 | if (evt == led_idle_end) | |
97 | val = 1; | |
98 | else if (evt == led_idle_start) | |
99 | val = 0; | |
100 | else | |
101 | return; | |
102 | ||
103 | gpio_set_value(RD88F5182_GPIO_DBG_LED, val); | |
104 | } | |
105 | ||
106 | static int __init rd88f5182_dbgled_init(void) | |
107 | { | |
108 | int pin; | |
109 | ||
110 | if (machine_is_rd88f5182()) { | |
111 | pin = RD88F5182_GPIO_DBG_LED; | |
112 | ||
113 | if (gpio_request(pin, "DBGLED") == 0) { | |
114 | if (gpio_direction_output(pin, 0) != 0) { | |
115 | printk(KERN_ERR "rd88f5182_dbgled_init failed " | |
116 | "to set output pin %d\n", pin); | |
117 | gpio_free(pin); | |
118 | return 0; | |
119 | } | |
120 | } else { | |
121 | printk(KERN_ERR "rd88f5182_dbgled_init failed " | |
122 | "to request gpio %d\n", pin); | |
123 | return 0; | |
124 | } | |
125 | ||
126 | leds_event = rd88f5182_dbgled_event; | |
127 | } | |
e7068ad3 | 128 | |
817eb210 RS |
129 | return 0; |
130 | } | |
131 | ||
132 | __initcall(rd88f5182_dbgled_init); | |
133 | ||
134 | #endif | |
135 | ||
136 | /***************************************************************************** | |
137 | * PCI | |
138 | ****************************************************************************/ | |
139 | ||
140 | void __init rd88f5182_pci_preinit(void) | |
141 | { | |
142 | int pin; | |
143 | ||
144 | /* | |
145 | * Configure PCI GPIO IRQ pins | |
146 | */ | |
147 | pin = RD88F5182_PCI_SLOT0_IRQ_A_PIN; | |
148 | if (gpio_request(pin, "PCI IntA") == 0) { | |
149 | if (gpio_direction_input(pin) == 0) { | |
150 | set_irq_type(gpio_to_irq(pin), IRQT_LOW); | |
151 | } else { | |
152 | printk(KERN_ERR "rd88f5182_pci_preinit faield to " | |
153 | "set_irq_type pin %d\n", pin); | |
154 | gpio_free(pin); | |
155 | } | |
156 | } else { | |
157 | printk(KERN_ERR "rd88f5182_pci_preinit failed to request gpio %d\n", pin); | |
158 | } | |
159 | ||
160 | pin = RD88F5182_PCI_SLOT0_IRQ_B_PIN; | |
161 | if (gpio_request(pin, "PCI IntB") == 0) { | |
162 | if (gpio_direction_input(pin) == 0) { | |
163 | set_irq_type(gpio_to_irq(pin), IRQT_LOW); | |
164 | } else { | |
165 | printk(KERN_ERR "rd88f5182_pci_preinit faield to " | |
166 | "set_irq_type pin %d\n", pin); | |
167 | gpio_free(pin); | |
168 | } | |
169 | } else { | |
170 | printk(KERN_ERR "rd88f5182_pci_preinit failed to gpio_request %d\n", pin); | |
171 | } | |
172 | } | |
173 | ||
174 | static int __init rd88f5182_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | |
175 | { | |
92b913b0 LB |
176 | int irq; |
177 | ||
817eb210 | 178 | /* |
92b913b0 | 179 | * Check for devices with hard-wired IRQs. |
817eb210 | 180 | */ |
92b913b0 LB |
181 | irq = orion5x_pci_map_irq(dev, slot, pin); |
182 | if (irq != -1) | |
183 | return irq; | |
817eb210 RS |
184 | |
185 | /* | |
186 | * PCI IRQs are connected via GPIOs | |
187 | */ | |
188 | switch (slot - RD88F5182_PCI_SLOT0_OFFS) { | |
189 | case 0: | |
190 | if (pin == 1) | |
191 | return gpio_to_irq(RD88F5182_PCI_SLOT0_IRQ_A_PIN); | |
192 | else | |
193 | return gpio_to_irq(RD88F5182_PCI_SLOT0_IRQ_B_PIN); | |
194 | default: | |
195 | return -1; | |
196 | } | |
197 | } | |
198 | ||
199 | static struct hw_pci rd88f5182_pci __initdata = { | |
200 | .nr_controllers = 2, | |
201 | .preinit = rd88f5182_pci_preinit, | |
202 | .swizzle = pci_std_swizzle, | |
9dd0b194 LB |
203 | .setup = orion5x_pci_sys_setup, |
204 | .scan = orion5x_pci_sys_scan_bus, | |
817eb210 RS |
205 | .map_irq = rd88f5182_pci_map_irq, |
206 | }; | |
207 | ||
208 | static int __init rd88f5182_pci_init(void) | |
209 | { | |
210 | if (machine_is_rd88f5182()) | |
211 | pci_common_init(&rd88f5182_pci); | |
212 | ||
213 | return 0; | |
214 | } | |
215 | ||
216 | subsys_initcall(rd88f5182_pci_init); | |
217 | ||
218 | /***************************************************************************** | |
219 | * Ethernet | |
220 | ****************************************************************************/ | |
221 | ||
222 | static struct mv643xx_eth_platform_data rd88f5182_eth_data = { | |
223 | .phy_addr = 8, | |
224 | .force_phy_addr = 1, | |
225 | }; | |
226 | ||
227 | /***************************************************************************** | |
228 | * RTC DS1338 on I2C bus | |
229 | ****************************************************************************/ | |
230 | static struct i2c_board_info __initdata rd88f5182_i2c_rtc = { | |
3760f736 | 231 | I2C_BOARD_INFO("ds1338", 0x68), |
817eb210 RS |
232 | }; |
233 | ||
f244baa3 SB |
234 | /***************************************************************************** |
235 | * Sata | |
236 | ****************************************************************************/ | |
237 | static struct mv_sata_platform_data rd88f5182_sata_data = { | |
e7068ad3 | 238 | .n_ports = 2, |
f244baa3 SB |
239 | }; |
240 | ||
817eb210 RS |
241 | /***************************************************************************** |
242 | * General Setup | |
243 | ****************************************************************************/ | |
244 | ||
245 | static struct platform_device *rd88f5182_devices[] __initdata = { | |
246 | &rd88f5182_nor_flash, | |
247 | }; | |
248 | ||
249 | static void __init rd88f5182_init(void) | |
250 | { | |
251 | /* | |
252 | * Setup basic Orion functions. Need to be called early. | |
253 | */ | |
9dd0b194 | 254 | orion5x_init(); |
817eb210 RS |
255 | |
256 | /* | |
257 | * Setup the CPU address decode windows for our devices | |
258 | */ | |
9dd0b194 | 259 | orion5x_setup_dev_boot_win(RD88F5182_NOR_BOOT_BASE, |
98f79d1e | 260 | RD88F5182_NOR_BOOT_SIZE); |
9dd0b194 | 261 | orion5x_setup_dev1_win(RD88F5182_NOR_BASE, RD88F5182_NOR_SIZE); |
817eb210 RS |
262 | |
263 | /* | |
b46926bb | 264 | * Open a special address decode windows for the PCIe WA. |
817eb210 | 265 | */ |
9dd0b194 LB |
266 | orion5x_setup_pcie_wa_win(ORION5X_PCIE_WA_PHYS_BASE, |
267 | ORION5X_PCIE_WA_SIZE); | |
817eb210 RS |
268 | |
269 | /* | |
270 | * Setup Multiplexing Pins -- | |
271 | * MPP[0] Debug Led (GPIO - Out) | |
272 | * MPP[1] Debug Led (GPIO - Out) | |
273 | * MPP[2] N/A | |
274 | * MPP[3] RTC_Int (GPIO - In) | |
275 | * MPP[4] GPIO | |
276 | * MPP[5] GPIO | |
277 | * MPP[6] PCI_intA (GPIO - In) | |
278 | * MPP[7] PCI_intB (GPIO - In) | |
279 | * MPP[8-11] N/A | |
280 | * MPP[12] SATA 0 presence Indication | |
281 | * MPP[13] SATA 1 presence Indication | |
282 | * MPP[14] SATA 0 active Indication | |
283 | * MPP[15] SATA 1 active indication | |
284 | * MPP[16-19] Not used | |
285 | * MPP[20] PCI Clock to MV88F5182 | |
286 | * MPP[21] PCI Clock to mini PCI CON11 | |
287 | * MPP[22] USB 0 over current indication | |
288 | * MPP[23] USB 1 over current indication | |
289 | * MPP[24] USB 1 over current enable | |
290 | * MPP[25] USB 0 over current enable | |
291 | */ | |
292 | ||
9dd0b194 LB |
293 | orion5x_write(MPP_0_7_CTRL, 0x00000003); |
294 | orion5x_write(MPP_8_15_CTRL, 0x55550000); | |
295 | orion5x_write(MPP_16_19_CTRL, 0x5555); | |
817eb210 | 296 | |
9dd0b194 | 297 | orion5x_gpio_set_valid_pins(0x000000fb); |
817eb210 RS |
298 | |
299 | platform_add_devices(rd88f5182_devices, ARRAY_SIZE(rd88f5182_devices)); | |
300 | i2c_register_board_info(0, &rd88f5182_i2c_rtc, 1); | |
9dd0b194 LB |
301 | orion5x_eth_init(&rd88f5182_eth_data); |
302 | orion5x_sata_init(&rd88f5182_sata_data); | |
817eb210 RS |
303 | } |
304 | ||
305 | MACHINE_START(RD88F5182, "Marvell Orion-NAS Reference Design") | |
306 | /* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */ | |
9dd0b194 LB |
307 | .phys_io = ORION5X_REGS_PHYS_BASE, |
308 | .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC, | |
817eb210 RS |
309 | .boot_params = 0x00000100, |
310 | .init_machine = rd88f5182_init, | |
9dd0b194 LB |
311 | .map_io = orion5x_map_io, |
312 | .init_irq = orion5x_init_irq, | |
313 | .timer = &orion5x_timer, | |
817eb210 | 314 | MACHINE_END |