diff options
author | Lennert Buytenhek <buytenh@wantstofly.org> | 2008-03-27 14:51:41 -0400 |
---|---|---|
committer | Nicolas Pitre <nico@marvell.com> | 2008-03-27 14:51:41 -0400 |
commit | 9dd0b194bf6804b1998f0fe261b2606ec7b58d72 (patch) | |
tree | c9fd5ab51dc256818c24a8a771dc068d021039e2 /arch/arm/mach-orion5x/common.c | |
parent | 159ffb3a04f6bc619643af680df406faafd0199d (diff) |
Orion: orion -> orion5x rename
Do a global s/orion/orion5x/ of the Orion 5x-specific bits (i.e.
not the plat-orion bits.)
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Reviewed-by: Tzachi Perelstein <tzachi@marvell.com>
Acked-by: Saeed Bishara <saeed@marvell.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Diffstat (limited to 'arch/arm/mach-orion5x/common.c')
-rw-r--r-- | arch/arm/mach-orion5x/common.c | 391 |
1 files changed, 391 insertions, 0 deletions
diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c new file mode 100644 index 000000000000..439c7784af02 --- /dev/null +++ b/arch/arm/mach-orion5x/common.c | |||
@@ -0,0 +1,391 @@ | |||
1 | /* | ||
2 | * arch/arm/mach-orion5x/common.c | ||
3 | * | ||
4 | * Core functions for Marvell Orion 5x SoCs | ||
5 | * | ||
6 | * Maintainer: Tzachi Perelstein <tzachi@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/serial_8250.h> | ||
17 | #include <linux/mbus.h> | ||
18 | #include <linux/mv643xx_eth.h> | ||
19 | #include <linux/mv643xx_i2c.h> | ||
20 | #include <linux/ata_platform.h> | ||
21 | #include <asm/page.h> | ||
22 | #include <asm/setup.h> | ||
23 | #include <asm/timex.h> | ||
24 | #include <asm/mach/arch.h> | ||
25 | #include <asm/mach/map.h> | ||
26 | #include <asm/mach/time.h> | ||
27 | #include <asm/arch/hardware.h> | ||
28 | #include <asm/arch/orion5x.h> | ||
29 | #include <asm/plat-orion/ehci-orion.h> | ||
30 | #include <asm/plat-orion/orion_nand.h> | ||
31 | #include <asm/plat-orion/time.h> | ||
32 | #include "common.h" | ||
33 | |||
34 | /***************************************************************************** | ||
35 | * I/O Address Mapping | ||
36 | ****************************************************************************/ | ||
37 | static struct map_desc orion5x_io_desc[] __initdata = { | ||
38 | { | ||
39 | .virtual = ORION5X_REGS_VIRT_BASE, | ||
40 | .pfn = __phys_to_pfn(ORION5X_REGS_PHYS_BASE), | ||
41 | .length = ORION5X_REGS_SIZE, | ||
42 | .type = MT_DEVICE | ||
43 | }, | ||
44 | { | ||
45 | .virtual = ORION5X_PCIE_IO_VIRT_BASE, | ||
46 | .pfn = __phys_to_pfn(ORION5X_PCIE_IO_PHYS_BASE), | ||
47 | .length = ORION5X_PCIE_IO_SIZE, | ||
48 | .type = MT_DEVICE | ||
49 | }, | ||
50 | { | ||
51 | .virtual = ORION5X_PCI_IO_VIRT_BASE, | ||
52 | .pfn = __phys_to_pfn(ORION5X_PCI_IO_PHYS_BASE), | ||
53 | .length = ORION5X_PCI_IO_SIZE, | ||
54 | .type = MT_DEVICE | ||
55 | }, | ||
56 | { | ||
57 | .virtual = ORION5X_PCIE_WA_VIRT_BASE, | ||
58 | .pfn = __phys_to_pfn(ORION5X_PCIE_WA_PHYS_BASE), | ||
59 | .length = ORION5X_PCIE_WA_SIZE, | ||
60 | .type = MT_DEVICE | ||
61 | }, | ||
62 | }; | ||
63 | |||
64 | void __init orion5x_map_io(void) | ||
65 | { | ||
66 | iotable_init(orion5x_io_desc, ARRAY_SIZE(orion5x_io_desc)); | ||
67 | } | ||
68 | |||
69 | /***************************************************************************** | ||
70 | * UART | ||
71 | ****************************************************************************/ | ||
72 | |||
73 | static struct resource orion5x_uart_resources[] = { | ||
74 | { | ||
75 | .start = UART0_PHYS_BASE, | ||
76 | .end = UART0_PHYS_BASE + 0xff, | ||
77 | .flags = IORESOURCE_MEM, | ||
78 | }, | ||
79 | { | ||
80 | .start = IRQ_ORION5X_UART0, | ||
81 | .end = IRQ_ORION5X_UART0, | ||
82 | .flags = IORESOURCE_IRQ, | ||
83 | }, | ||
84 | { | ||
85 | .start = UART1_PHYS_BASE, | ||
86 | .end = UART1_PHYS_BASE + 0xff, | ||
87 | .flags = IORESOURCE_MEM, | ||
88 | }, | ||
89 | { | ||
90 | .start = IRQ_ORION5X_UART1, | ||
91 | .end = IRQ_ORION5X_UART1, | ||
92 | .flags = IORESOURCE_IRQ, | ||
93 | }, | ||
94 | }; | ||
95 | |||
96 | static struct plat_serial8250_port orion5x_uart_data[] = { | ||
97 | { | ||
98 | .mapbase = UART0_PHYS_BASE, | ||
99 | .membase = (char *)UART0_VIRT_BASE, | ||
100 | .irq = IRQ_ORION5X_UART0, | ||
101 | .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, | ||
102 | .iotype = UPIO_MEM, | ||
103 | .regshift = 2, | ||
104 | .uartclk = ORION5X_TCLK, | ||
105 | }, | ||
106 | { | ||
107 | .mapbase = UART1_PHYS_BASE, | ||
108 | .membase = (char *)UART1_VIRT_BASE, | ||
109 | .irq = IRQ_ORION5X_UART1, | ||
110 | .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, | ||
111 | .iotype = UPIO_MEM, | ||
112 | .regshift = 2, | ||
113 | .uartclk = ORION5X_TCLK, | ||
114 | }, | ||
115 | { }, | ||
116 | }; | ||
117 | |||
118 | static struct platform_device orion5x_uart = { | ||
119 | .name = "serial8250", | ||
120 | .id = PLAT8250_DEV_PLATFORM, | ||
121 | .dev = { | ||
122 | .platform_data = orion5x_uart_data, | ||
123 | }, | ||
124 | .resource = orion5x_uart_resources, | ||
125 | .num_resources = ARRAY_SIZE(orion5x_uart_resources), | ||
126 | }; | ||
127 | |||
128 | /******************************************************************************* | ||
129 | * USB Controller - 2 interfaces | ||
130 | ******************************************************************************/ | ||
131 | |||
132 | static struct resource orion5x_ehci0_resources[] = { | ||
133 | { | ||
134 | .start = ORION5X_USB0_PHYS_BASE, | ||
135 | .end = ORION5X_USB0_PHYS_BASE + SZ_4K, | ||
136 | .flags = IORESOURCE_MEM, | ||
137 | }, | ||
138 | { | ||
139 | .start = IRQ_ORION5X_USB0_CTRL, | ||
140 | .end = IRQ_ORION5X_USB0_CTRL, | ||
141 | .flags = IORESOURCE_IRQ, | ||
142 | }, | ||
143 | }; | ||
144 | |||
145 | static struct resource orion5x_ehci1_resources[] = { | ||
146 | { | ||
147 | .start = ORION5X_USB1_PHYS_BASE, | ||
148 | .end = ORION5X_USB1_PHYS_BASE + SZ_4K, | ||
149 | .flags = IORESOURCE_MEM, | ||
150 | }, | ||
151 | { | ||
152 | .start = IRQ_ORION5X_USB1_CTRL, | ||
153 | .end = IRQ_ORION5X_USB1_CTRL, | ||
154 | .flags = IORESOURCE_IRQ, | ||
155 | }, | ||
156 | }; | ||
157 | |||
158 | static struct orion_ehci_data orion5x_ehci_data = { | ||
159 | .dram = &orion5x_mbus_dram_info, | ||
160 | }; | ||
161 | |||
162 | static u64 ehci_dmamask = 0xffffffffUL; | ||
163 | |||
164 | static struct platform_device orion5x_ehci0 = { | ||
165 | .name = "orion-ehci", | ||
166 | .id = 0, | ||
167 | .dev = { | ||
168 | .dma_mask = &ehci_dmamask, | ||
169 | .coherent_dma_mask = 0xffffffff, | ||
170 | .platform_data = &orion5x_ehci_data, | ||
171 | }, | ||
172 | .resource = orion5x_ehci0_resources, | ||
173 | .num_resources = ARRAY_SIZE(orion5x_ehci0_resources), | ||
174 | }; | ||
175 | |||
176 | static struct platform_device orion5x_ehci1 = { | ||
177 | .name = "orion-ehci", | ||
178 | .id = 1, | ||
179 | .dev = { | ||
180 | .dma_mask = &ehci_dmamask, | ||
181 | .coherent_dma_mask = 0xffffffff, | ||
182 | .platform_data = &orion5x_ehci_data, | ||
183 | }, | ||
184 | .resource = orion5x_ehci1_resources, | ||
185 | .num_resources = ARRAY_SIZE(orion5x_ehci1_resources), | ||
186 | }; | ||
187 | |||
188 | /***************************************************************************** | ||
189 | * Gigabit Ethernet port | ||
190 | * (The Orion and Discovery (MV643xx) families use the same Ethernet driver) | ||
191 | ****************************************************************************/ | ||
192 | |||
193 | static struct resource orion5x_eth_shared_resources[] = { | ||
194 | { | ||
195 | .start = ORION5X_ETH_PHYS_BASE + 0x2000, | ||
196 | .end = ORION5X_ETH_PHYS_BASE + 0x3fff, | ||
197 | .flags = IORESOURCE_MEM, | ||
198 | }, | ||
199 | }; | ||
200 | |||
201 | static struct platform_device orion5x_eth_shared = { | ||
202 | .name = MV643XX_ETH_SHARED_NAME, | ||
203 | .id = 0, | ||
204 | .num_resources = 1, | ||
205 | .resource = orion5x_eth_shared_resources, | ||
206 | }; | ||
207 | |||
208 | static struct resource orion5x_eth_resources[] = { | ||
209 | { | ||
210 | .name = "eth irq", | ||
211 | .start = IRQ_ORION5X_ETH_SUM, | ||
212 | .end = IRQ_ORION5X_ETH_SUM, | ||
213 | .flags = IORESOURCE_IRQ, | ||
214 | } | ||
215 | }; | ||
216 | |||
217 | static struct platform_device orion5x_eth = { | ||
218 | .name = MV643XX_ETH_NAME, | ||
219 | .id = 0, | ||
220 | .num_resources = 1, | ||
221 | .resource = orion5x_eth_resources, | ||
222 | }; | ||
223 | |||
224 | void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data) | ||
225 | { | ||
226 | orion5x_eth.dev.platform_data = eth_data; | ||
227 | platform_device_register(&orion5x_eth_shared); | ||
228 | platform_device_register(&orion5x_eth); | ||
229 | } | ||
230 | |||
231 | /***************************************************************************** | ||
232 | * I2C controller | ||
233 | * (The Orion and Discovery (MV643xx) families share the same I2C controller) | ||
234 | ****************************************************************************/ | ||
235 | |||
236 | static struct mv64xxx_i2c_pdata orion5x_i2c_pdata = { | ||
237 | .freq_m = 8, /* assumes 166 MHz TCLK */ | ||
238 | .freq_n = 3, | ||
239 | .timeout = 1000, /* Default timeout of 1 second */ | ||
240 | }; | ||
241 | |||
242 | static struct resource orion5x_i2c_resources[] = { | ||
243 | { | ||
244 | .name = "i2c base", | ||
245 | .start = I2C_PHYS_BASE, | ||
246 | .end = I2C_PHYS_BASE + 0x20 -1, | ||
247 | .flags = IORESOURCE_MEM, | ||
248 | }, | ||
249 | { | ||
250 | .name = "i2c irq", | ||
251 | .start = IRQ_ORION5X_I2C, | ||
252 | .end = IRQ_ORION5X_I2C, | ||
253 | .flags = IORESOURCE_IRQ, | ||
254 | }, | ||
255 | }; | ||
256 | |||
257 | static struct platform_device orion5x_i2c = { | ||
258 | .name = MV64XXX_I2C_CTLR_NAME, | ||
259 | .id = 0, | ||
260 | .num_resources = ARRAY_SIZE(orion5x_i2c_resources), | ||
261 | .resource = orion5x_i2c_resources, | ||
262 | .dev = { | ||
263 | .platform_data = &orion5x_i2c_pdata, | ||
264 | }, | ||
265 | }; | ||
266 | |||
267 | /***************************************************************************** | ||
268 | * Sata port | ||
269 | ****************************************************************************/ | ||
270 | static struct resource orion5x_sata_resources[] = { | ||
271 | { | ||
272 | .name = "sata base", | ||
273 | .start = ORION5X_SATA_PHYS_BASE, | ||
274 | .end = ORION5X_SATA_PHYS_BASE + 0x5000 - 1, | ||
275 | .flags = IORESOURCE_MEM, | ||
276 | }, | ||
277 | { | ||
278 | .name = "sata irq", | ||
279 | .start = IRQ_ORION5X_SATA, | ||
280 | .end = IRQ_ORION5X_SATA, | ||
281 | .flags = IORESOURCE_IRQ, | ||
282 | }, | ||
283 | }; | ||
284 | |||
285 | static struct platform_device orion5x_sata = { | ||
286 | .name = "sata_mv", | ||
287 | .id = 0, | ||
288 | .dev = { | ||
289 | .coherent_dma_mask = 0xffffffff, | ||
290 | }, | ||
291 | .num_resources = ARRAY_SIZE(orion5x_sata_resources), | ||
292 | .resource = orion5x_sata_resources, | ||
293 | }; | ||
294 | |||
295 | void __init orion5x_sata_init(struct mv_sata_platform_data *sata_data) | ||
296 | { | ||
297 | sata_data->dram = &orion5x_mbus_dram_info; | ||
298 | orion5x_sata.dev.platform_data = sata_data; | ||
299 | platform_device_register(&orion5x_sata); | ||
300 | } | ||
301 | |||
302 | /***************************************************************************** | ||
303 | * Time handling | ||
304 | ****************************************************************************/ | ||
305 | |||
306 | static void orion5x_timer_init(void) | ||
307 | { | ||
308 | orion_time_init(IRQ_ORION5X_BRIDGE, ORION5X_TCLK); | ||
309 | } | ||
310 | |||
311 | struct sys_timer orion5x_timer = { | ||
312 | .init = orion5x_timer_init, | ||
313 | }; | ||
314 | |||
315 | /***************************************************************************** | ||
316 | * General | ||
317 | ****************************************************************************/ | ||
318 | |||
319 | /* | ||
320 | * Identify device ID and rev from PCIE configuration header space '0'. | ||
321 | */ | ||
322 | static void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name) | ||
323 | { | ||
324 | orion5x_pcie_id(dev, rev); | ||
325 | |||
326 | if (*dev == MV88F5281_DEV_ID) { | ||
327 | if (*rev == MV88F5281_REV_D2) { | ||
328 | *dev_name = "MV88F5281-D2"; | ||
329 | } else if (*rev == MV88F5281_REV_D1) { | ||
330 | *dev_name = "MV88F5281-D1"; | ||
331 | } else { | ||
332 | *dev_name = "MV88F5281-Rev-Unsupported"; | ||
333 | } | ||
334 | } else if (*dev == MV88F5182_DEV_ID) { | ||
335 | if (*rev == MV88F5182_REV_A2) { | ||
336 | *dev_name = "MV88F5182-A2"; | ||
337 | } else { | ||
338 | *dev_name = "MV88F5182-Rev-Unsupported"; | ||
339 | } | ||
340 | } else if (*dev == MV88F5181_DEV_ID) { | ||
341 | if (*rev == MV88F5181_REV_B1) { | ||
342 | *dev_name = "MV88F5181-Rev-B1"; | ||
343 | } else { | ||
344 | *dev_name = "MV88F5181-Rev-Unsupported"; | ||
345 | } | ||
346 | } else { | ||
347 | *dev_name = "Device-Unknown"; | ||
348 | } | ||
349 | } | ||
350 | |||
351 | void __init orion5x_init(void) | ||
352 | { | ||
353 | char *dev_name; | ||
354 | u32 dev, rev; | ||
355 | |||
356 | orion5x_id(&dev, &rev, &dev_name); | ||
357 | printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, ORION5X_TCLK); | ||
358 | |||
359 | /* | ||
360 | * Setup Orion address map | ||
361 | */ | ||
362 | orion5x_setup_cpu_mbus_bridge(); | ||
363 | orion5x_setup_eth_wins(); | ||
364 | |||
365 | /* | ||
366 | * Register devices. | ||
367 | */ | ||
368 | platform_device_register(&orion5x_uart); | ||
369 | platform_device_register(&orion5x_ehci0); | ||
370 | if (dev == MV88F5182_DEV_ID) | ||
371 | platform_device_register(&orion5x_ehci1); | ||
372 | platform_device_register(&orion5x_i2c); | ||
373 | } | ||
374 | |||
375 | /* | ||
376 | * Many orion-based systems have buggy bootloader implementations. | ||
377 | * This is a common fixup for bogus memory tags. | ||
378 | */ | ||
379 | void __init tag_fixup_mem32(struct machine_desc *mdesc, struct tag *t, | ||
380 | char **from, struct meminfo *meminfo) | ||
381 | { | ||
382 | for (; t->hdr.size; t = tag_next(t)) | ||
383 | if (t->hdr.tag == ATAG_MEM && | ||
384 | (!t->u.mem.size || t->u.mem.size & ~PAGE_MASK || | ||
385 | t->u.mem.start & ~PAGE_MASK)) { | ||
386 | printk(KERN_WARNING | ||
387 | "Clearing invalid memory bank %dKB@0x%08x\n", | ||
388 | t->u.mem.size / 1024, t->u.mem.start); | ||
389 | t->hdr.tag = 0; | ||
390 | } | ||
391 | } | ||