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817eb210 RS |
1 | /* |
2 | * arch/arm/mach-orion/rd88f5182-setup.c | |
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> | |
27 | #include <asm/arch/orion.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 | } | |
128 | return 0; | |
129 | } | |
130 | ||
131 | __initcall(rd88f5182_dbgled_init); | |
132 | ||
133 | #endif | |
134 | ||
135 | /***************************************************************************** | |
136 | * PCI | |
137 | ****************************************************************************/ | |
138 | ||
139 | void __init rd88f5182_pci_preinit(void) | |
140 | { | |
141 | int pin; | |
142 | ||
143 | /* | |
144 | * Configure PCI GPIO IRQ pins | |
145 | */ | |
146 | pin = RD88F5182_PCI_SLOT0_IRQ_A_PIN; | |
147 | if (gpio_request(pin, "PCI IntA") == 0) { | |
148 | if (gpio_direction_input(pin) == 0) { | |
149 | set_irq_type(gpio_to_irq(pin), IRQT_LOW); | |
150 | } else { | |
151 | printk(KERN_ERR "rd88f5182_pci_preinit faield to " | |
152 | "set_irq_type pin %d\n", pin); | |
153 | gpio_free(pin); | |
154 | } | |
155 | } else { | |
156 | printk(KERN_ERR "rd88f5182_pci_preinit failed to request gpio %d\n", pin); | |
157 | } | |
158 | ||
159 | pin = RD88F5182_PCI_SLOT0_IRQ_B_PIN; | |
160 | if (gpio_request(pin, "PCI IntB") == 0) { | |
161 | if (gpio_direction_input(pin) == 0) { | |
162 | set_irq_type(gpio_to_irq(pin), IRQT_LOW); | |
163 | } else { | |
164 | printk(KERN_ERR "rd88f5182_pci_preinit faield to " | |
165 | "set_irq_type pin %d\n", pin); | |
166 | gpio_free(pin); | |
167 | } | |
168 | } else { | |
169 | printk(KERN_ERR "rd88f5182_pci_preinit failed to gpio_request %d\n", pin); | |
170 | } | |
171 | } | |
172 | ||
173 | static int __init rd88f5182_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin) | |
174 | { | |
175 | /* | |
176 | * PCI-E isn't used on the RD2 | |
177 | */ | |
178 | if (dev->bus->number == orion_pcie_local_bus_nr()) | |
179 | return IRQ_ORION_PCIE0_INT; | |
180 | ||
181 | /* | |
182 | * PCI IRQs are connected via GPIOs | |
183 | */ | |
184 | switch (slot - RD88F5182_PCI_SLOT0_OFFS) { | |
185 | case 0: | |
186 | if (pin == 1) | |
187 | return gpio_to_irq(RD88F5182_PCI_SLOT0_IRQ_A_PIN); | |
188 | else | |
189 | return gpio_to_irq(RD88F5182_PCI_SLOT0_IRQ_B_PIN); | |
190 | default: | |
191 | return -1; | |
192 | } | |
193 | } | |
194 | ||
195 | static struct hw_pci rd88f5182_pci __initdata = { | |
196 | .nr_controllers = 2, | |
197 | .preinit = rd88f5182_pci_preinit, | |
198 | .swizzle = pci_std_swizzle, | |
199 | .setup = orion_pci_sys_setup, | |
200 | .scan = orion_pci_sys_scan_bus, | |
201 | .map_irq = rd88f5182_pci_map_irq, | |
202 | }; | |
203 | ||
204 | static int __init rd88f5182_pci_init(void) | |
205 | { | |
206 | if (machine_is_rd88f5182()) | |
207 | pci_common_init(&rd88f5182_pci); | |
208 | ||
209 | return 0; | |
210 | } | |
211 | ||
212 | subsys_initcall(rd88f5182_pci_init); | |
213 | ||
214 | /***************************************************************************** | |
215 | * Ethernet | |
216 | ****************************************************************************/ | |
217 | ||
218 | static struct mv643xx_eth_platform_data rd88f5182_eth_data = { | |
219 | .phy_addr = 8, | |
220 | .force_phy_addr = 1, | |
221 | }; | |
222 | ||
223 | /***************************************************************************** | |
224 | * RTC DS1338 on I2C bus | |
225 | ****************************************************************************/ | |
226 | static struct i2c_board_info __initdata rd88f5182_i2c_rtc = { | |
227 | .driver_name = "rtc-ds1307", | |
228 | .type = "ds1338", | |
229 | .addr = 0x68, | |
230 | }; | |
231 | ||
f244baa3 SB |
232 | /***************************************************************************** |
233 | * Sata | |
234 | ****************************************************************************/ | |
235 | static struct mv_sata_platform_data rd88f5182_sata_data = { | |
236 | .n_ports = 2, | |
237 | }; | |
238 | ||
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239 | /***************************************************************************** |
240 | * General Setup | |
241 | ****************************************************************************/ | |
242 | ||
243 | static struct platform_device *rd88f5182_devices[] __initdata = { | |
244 | &rd88f5182_nor_flash, | |
245 | }; | |
246 | ||
247 | static void __init rd88f5182_init(void) | |
248 | { | |
249 | /* | |
250 | * Setup basic Orion functions. Need to be called early. | |
251 | */ | |
252 | orion_init(); | |
253 | ||
254 | /* | |
255 | * Setup the CPU address decode windows for our devices | |
256 | */ | |
98f79d1e LB |
257 | orion_setup_dev_boot_win(RD88F5182_NOR_BOOT_BASE, |
258 | RD88F5182_NOR_BOOT_SIZE); | |
259 | orion_setup_dev1_win(RD88F5182_NOR_BASE, RD88F5182_NOR_SIZE); | |
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260 | |
261 | /* | |
262 | * Open a special address decode windows for the PCIE WA. | |
263 | */ | |
98f79d1e | 264 | orion_setup_pcie_wa_win(ORION_PCIE_WA_PHYS_BASE, ORION_PCIE_WA_SIZE); |
817eb210 RS |
265 | |
266 | /* | |
267 | * Setup Multiplexing Pins -- | |
268 | * MPP[0] Debug Led (GPIO - Out) | |
269 | * MPP[1] Debug Led (GPIO - Out) | |
270 | * MPP[2] N/A | |
271 | * MPP[3] RTC_Int (GPIO - In) | |
272 | * MPP[4] GPIO | |
273 | * MPP[5] GPIO | |
274 | * MPP[6] PCI_intA (GPIO - In) | |
275 | * MPP[7] PCI_intB (GPIO - In) | |
276 | * MPP[8-11] N/A | |
277 | * MPP[12] SATA 0 presence Indication | |
278 | * MPP[13] SATA 1 presence Indication | |
279 | * MPP[14] SATA 0 active Indication | |
280 | * MPP[15] SATA 1 active indication | |
281 | * MPP[16-19] Not used | |
282 | * MPP[20] PCI Clock to MV88F5182 | |
283 | * MPP[21] PCI Clock to mini PCI CON11 | |
284 | * MPP[22] USB 0 over current indication | |
285 | * MPP[23] USB 1 over current indication | |
286 | * MPP[24] USB 1 over current enable | |
287 | * MPP[25] USB 0 over current enable | |
288 | */ | |
289 | ||
290 | orion_write(MPP_0_7_CTRL, 0x00000003); | |
291 | orion_write(MPP_8_15_CTRL, 0x55550000); | |
292 | orion_write(MPP_16_19_CTRL, 0x5555); | |
293 | ||
294 | orion_gpio_set_valid_pins(0x000000fb); | |
295 | ||
296 | platform_add_devices(rd88f5182_devices, ARRAY_SIZE(rd88f5182_devices)); | |
297 | i2c_register_board_info(0, &rd88f5182_i2c_rtc, 1); | |
298 | orion_eth_init(&rd88f5182_eth_data); | |
f244baa3 | 299 | orion_sata_init(&rd88f5182_sata_data); |
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300 | } |
301 | ||
302 | MACHINE_START(RD88F5182, "Marvell Orion-NAS Reference Design") | |
303 | /* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */ | |
7f74c2c7 LB |
304 | .phys_io = ORION_REGS_PHYS_BASE, |
305 | .io_pg_offst = ((ORION_REGS_VIRT_BASE) >> 18) & 0xFFFC, | |
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306 | .boot_params = 0x00000100, |
307 | .init_machine = rd88f5182_init, | |
308 | .map_io = orion_map_io, | |
309 | .init_irq = orion_init_irq, | |
310 | .timer = &orion_timer, | |
311 | MACHINE_END |