diff options
Diffstat (limited to 'arch/arm/mach-orion5x/rd88f5182-setup.c')
-rw-r--r-- | arch/arm/mach-orion5x/rd88f5182-setup.c | 312 |
1 files changed, 312 insertions, 0 deletions
diff --git a/arch/arm/mach-orion5x/rd88f5182-setup.c b/arch/arm/mach-orion5x/rd88f5182-setup.c new file mode 100644 index 000000000000..37e8b2dc3ed5 --- /dev/null +++ b/arch/arm/mach-orion5x/rd88f5182-setup.c | |||
@@ -0,0 +1,312 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-orion5x/rd88f5182-setup.c | ||
3 | * | ||
4 | * Marvell Orion-NAS Reference Design Setup | ||
5 | * | ||
6 | * Maintainer: Ronen Shitrit <rshitrit@marvell.com> | ||
7 | * | ||
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 | ||
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> | ||
20 | #include <linux/ata_platform.h> | ||
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/orion5x.h> | ||
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 == orion5x_pcie_local_bus_nr()) | ||
179 | return IRQ_ORION5X_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 = orion5x_pci_sys_setup, | ||
200 | .scan = orion5x_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 | |||
232 | /***************************************************************************** | ||
233 | * Sata | ||
234 | ****************************************************************************/ | ||
235 | static struct mv_sata_platform_data rd88f5182_sata_data = { | ||
236 | .n_ports = 2, | ||
237 | }; | ||
238 | |||
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 | orion5x_init(); | ||
253 | |||
254 | /* | ||
255 | * Setup the CPU address decode windows for our devices | ||
256 | */ | ||
257 | orion5x_setup_dev_boot_win(RD88F5182_NOR_BOOT_BASE, | ||
258 | RD88F5182_NOR_BOOT_SIZE); | ||
259 | orion5x_setup_dev1_win(RD88F5182_NOR_BASE, RD88F5182_NOR_SIZE); | ||
260 | |||
261 | /* | ||
262 | * Open a special address decode windows for the PCIE WA. | ||
263 | */ | ||
264 | orion5x_setup_pcie_wa_win(ORION5X_PCIE_WA_PHYS_BASE, | ||
265 | ORION5X_PCIE_WA_SIZE); | ||
266 | |||
267 | /* | ||
268 | * Setup Multiplexing Pins -- | ||
269 | * MPP[0] Debug Led (GPIO - Out) | ||
270 | * MPP[1] Debug Led (GPIO - Out) | ||
271 | * MPP[2] N/A | ||
272 | * MPP[3] RTC_Int (GPIO - In) | ||
273 | * MPP[4] GPIO | ||
274 | * MPP[5] GPIO | ||
275 | * MPP[6] PCI_intA (GPIO - In) | ||
276 | * MPP[7] PCI_intB (GPIO - In) | ||
277 | * MPP[8-11] N/A | ||
278 | * MPP[12] SATA 0 presence Indication | ||
279 | * MPP[13] SATA 1 presence Indication | ||
280 | * MPP[14] SATA 0 active Indication | ||
281 | * MPP[15] SATA 1 active indication | ||
282 | * MPP[16-19] Not used | ||
283 | * MPP[20] PCI Clock to MV88F5182 | ||
284 | * MPP[21] PCI Clock to mini PCI CON11 | ||
285 | * MPP[22] USB 0 over current indication | ||
286 | * MPP[23] USB 1 over current indication | ||
287 | * MPP[24] USB 1 over current enable | ||
288 | * MPP[25] USB 0 over current enable | ||
289 | */ | ||
290 | |||
291 | orion5x_write(MPP_0_7_CTRL, 0x00000003); | ||
292 | orion5x_write(MPP_8_15_CTRL, 0x55550000); | ||
293 | orion5x_write(MPP_16_19_CTRL, 0x5555); | ||
294 | |||
295 | orion5x_gpio_set_valid_pins(0x000000fb); | ||
296 | |||
297 | platform_add_devices(rd88f5182_devices, ARRAY_SIZE(rd88f5182_devices)); | ||
298 | i2c_register_board_info(0, &rd88f5182_i2c_rtc, 1); | ||
299 | orion5x_eth_init(&rd88f5182_eth_data); | ||
300 | orion5x_sata_init(&rd88f5182_sata_data); | ||
301 | } | ||
302 | |||
303 | MACHINE_START(RD88F5182, "Marvell Orion-NAS Reference Design") | ||
304 | /* Maintainer: Ronen Shitrit <rshitrit@marvell.com> */ | ||
305 | .phys_io = ORION5X_REGS_PHYS_BASE, | ||
306 | .io_pg_offst = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC, | ||
307 | .boot_params = 0x00000100, | ||
308 | .init_machine = rd88f5182_init, | ||
309 | .map_io = orion5x_map_io, | ||
310 | .init_irq = orion5x_init_irq, | ||
311 | .timer = &orion5x_timer, | ||
312 | MACHINE_END | ||