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Merge branch 'header-move' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemo...
[net-next-2.6.git] / arch / arm / mach-orion5x / common.c
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585cf175 1/*
9dd0b194 2 * arch/arm/mach-orion5x/common.c
585cf175 3 *
9dd0b194 4 * Core functions for Marvell Orion 5x SoCs
585cf175
TP
5 *
6 * Maintainer: Tzachi Perelstein <tzachi@marvell.com>
7 *
159ffb3a
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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
585cf175
TP
10 * warranty of any kind, whether express or implied.
11 */
12
13#include <linux/kernel.h>
14#include <linux/init.h>
ca26f7d3
TP
15#include <linux/platform_device.h>
16#include <linux/serial_8250.h>
83b6d822 17#include <linux/mbus.h>
e07c9d85 18#include <linux/mv643xx_eth.h>
144aa3db 19#include <linux/mv643xx_i2c.h>
15a32632 20#include <linux/ata_platform.h>
585cf175 21#include <asm/page.h>
be73a347 22#include <asm/setup.h>
c67de5b3 23#include <asm/timex.h>
be73a347 24#include <asm/mach/arch.h>
585cf175 25#include <asm/mach/map.h>
2bac1de2 26#include <asm/mach/time.h>
f244baa3 27#include <asm/arch/hardware.h>
9dd0b194 28#include <asm/arch/orion5x.h>
705a7521 29#include <asm/plat-orion/ehci-orion.h>
5d4294c5 30#include <asm/plat-orion/orion_nand.h>
2bac1de2 31#include <asm/plat-orion/time.h>
585cf175
TP
32#include "common.h"
33
34/*****************************************************************************
35 * I/O Address Mapping
36 ****************************************************************************/
9dd0b194 37static struct map_desc orion5x_io_desc[] __initdata = {
585cf175 38 {
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39 .virtual = ORION5X_REGS_VIRT_BASE,
40 .pfn = __phys_to_pfn(ORION5X_REGS_PHYS_BASE),
41 .length = ORION5X_REGS_SIZE,
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42 .type = MT_DEVICE,
43 }, {
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44 .virtual = ORION5X_PCIE_IO_VIRT_BASE,
45 .pfn = __phys_to_pfn(ORION5X_PCIE_IO_PHYS_BASE),
46 .length = ORION5X_PCIE_IO_SIZE,
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47 .type = MT_DEVICE,
48 }, {
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49 .virtual = ORION5X_PCI_IO_VIRT_BASE,
50 .pfn = __phys_to_pfn(ORION5X_PCI_IO_PHYS_BASE),
51 .length = ORION5X_PCI_IO_SIZE,
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52 .type = MT_DEVICE,
53 }, {
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54 .virtual = ORION5X_PCIE_WA_VIRT_BASE,
55 .pfn = __phys_to_pfn(ORION5X_PCIE_WA_PHYS_BASE),
56 .length = ORION5X_PCIE_WA_SIZE,
e7068ad3 57 .type = MT_DEVICE,
585cf175
TP
58 },
59};
60
9dd0b194 61void __init orion5x_map_io(void)
585cf175 62{
9dd0b194 63 iotable_init(orion5x_io_desc, ARRAY_SIZE(orion5x_io_desc));
585cf175 64}
c67de5b3 65
044f6c7c 66
ca26f7d3 67/*****************************************************************************
044f6c7c 68 * EHCI
ca26f7d3 69 ****************************************************************************/
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70static struct orion_ehci_data orion5x_ehci_data = {
71 .dram = &orion5x_mbus_dram_info,
ca26f7d3
TP
72};
73
044f6c7c 74static u64 ehci_dmamask = 0xffffffffUL;
ca26f7d3 75
ca26f7d3 76
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77/*****************************************************************************
78 * EHCI0
79 ****************************************************************************/
9dd0b194 80static struct resource orion5x_ehci0_resources[] = {
ca26f7d3 81 {
9dd0b194 82 .start = ORION5X_USB0_PHYS_BASE,
994cab84 83 .end = ORION5X_USB0_PHYS_BASE + SZ_4K - 1,
ca26f7d3 84 .flags = IORESOURCE_MEM,
e7068ad3 85 }, {
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86 .start = IRQ_ORION5X_USB0_CTRL,
87 .end = IRQ_ORION5X_USB0_CTRL,
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88 .flags = IORESOURCE_IRQ,
89 },
90};
91
9dd0b194 92static struct platform_device orion5x_ehci0 = {
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93 .name = "orion-ehci",
94 .id = 0,
95 .dev = {
96 .dma_mask = &ehci_dmamask,
97 .coherent_dma_mask = 0xffffffff,
9dd0b194 98 .platform_data = &orion5x_ehci_data,
ca26f7d3 99 },
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LB
100 .resource = orion5x_ehci0_resources,
101 .num_resources = ARRAY_SIZE(orion5x_ehci0_resources),
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102};
103
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LB
104void __init orion5x_ehci0_init(void)
105{
106 platform_device_register(&orion5x_ehci0);
107}
108
109
110/*****************************************************************************
111 * EHCI1
112 ****************************************************************************/
113static struct resource orion5x_ehci1_resources[] = {
114 {
115 .start = ORION5X_USB1_PHYS_BASE,
116 .end = ORION5X_USB1_PHYS_BASE + SZ_4K - 1,
117 .flags = IORESOURCE_MEM,
118 }, {
119 .start = IRQ_ORION5X_USB1_CTRL,
120 .end = IRQ_ORION5X_USB1_CTRL,
121 .flags = IORESOURCE_IRQ,
122 },
123};
124
9dd0b194 125static struct platform_device orion5x_ehci1 = {
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126 .name = "orion-ehci",
127 .id = 1,
128 .dev = {
129 .dma_mask = &ehci_dmamask,
130 .coherent_dma_mask = 0xffffffff,
9dd0b194 131 .platform_data = &orion5x_ehci_data,
ca26f7d3 132 },
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LB
133 .resource = orion5x_ehci1_resources,
134 .num_resources = ARRAY_SIZE(orion5x_ehci1_resources),
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135};
136
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137void __init orion5x_ehci1_init(void)
138{
139 platform_device_register(&orion5x_ehci1);
140}
141
142
e07c9d85 143/*****************************************************************************
044f6c7c 144 * GigE
e07c9d85 145 ****************************************************************************/
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146struct mv643xx_eth_shared_platform_data orion5x_eth_shared_data = {
147 .dram = &orion5x_mbus_dram_info,
b8c15a60 148 .t_clk = ORION5X_TCLK,
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149};
150
9dd0b194 151static struct resource orion5x_eth_shared_resources[] = {
e07c9d85 152 {
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153 .start = ORION5X_ETH_PHYS_BASE + 0x2000,
154 .end = ORION5X_ETH_PHYS_BASE + 0x3fff,
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TP
155 .flags = IORESOURCE_MEM,
156 },
157};
158
9dd0b194 159static struct platform_device orion5x_eth_shared = {
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TP
160 .name = MV643XX_ETH_SHARED_NAME,
161 .id = 0,
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162 .dev = {
163 .platform_data = &orion5x_eth_shared_data,
164 },
e07c9d85 165 .num_resources = 1,
9dd0b194 166 .resource = orion5x_eth_shared_resources,
e07c9d85
TP
167};
168
9dd0b194 169static struct resource orion5x_eth_resources[] = {
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TP
170 {
171 .name = "eth irq",
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LB
172 .start = IRQ_ORION5X_ETH_SUM,
173 .end = IRQ_ORION5X_ETH_SUM,
e07c9d85 174 .flags = IORESOURCE_IRQ,
e7068ad3 175 },
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TP
176};
177
9dd0b194 178static struct platform_device orion5x_eth = {
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TP
179 .name = MV643XX_ETH_NAME,
180 .id = 0,
181 .num_resources = 1,
9dd0b194 182 .resource = orion5x_eth_resources,
e07c9d85
TP
183};
184
9dd0b194 185void __init orion5x_eth_init(struct mv643xx_eth_platform_data *eth_data)
e07c9d85 186{
fa3959f4 187 eth_data->shared = &orion5x_eth_shared;
9dd0b194 188 orion5x_eth.dev.platform_data = eth_data;
fa3959f4 189
9dd0b194
LB
190 platform_device_register(&orion5x_eth_shared);
191 platform_device_register(&orion5x_eth);
e07c9d85
TP
192}
193
044f6c7c 194
144aa3db 195/*****************************************************************************
044f6c7c 196 * I2C
144aa3db 197 ****************************************************************************/
9dd0b194 198static struct mv64xxx_i2c_pdata orion5x_i2c_pdata = {
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199 .freq_m = 8, /* assumes 166 MHz TCLK */
200 .freq_n = 3,
201 .timeout = 1000, /* Default timeout of 1 second */
202};
203
9dd0b194 204static struct resource orion5x_i2c_resources[] = {
144aa3db 205 {
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206 .name = "i2c base",
207 .start = I2C_PHYS_BASE,
044f6c7c 208 .end = I2C_PHYS_BASE + 0x1f,
e7068ad3
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209 .flags = IORESOURCE_MEM,
210 }, {
211 .name = "i2c irq",
212 .start = IRQ_ORION5X_I2C,
213 .end = IRQ_ORION5X_I2C,
214 .flags = IORESOURCE_IRQ,
144aa3db
HVR
215 },
216};
217
9dd0b194 218static struct platform_device orion5x_i2c = {
144aa3db
HVR
219 .name = MV64XXX_I2C_CTLR_NAME,
220 .id = 0,
9dd0b194
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221 .num_resources = ARRAY_SIZE(orion5x_i2c_resources),
222 .resource = orion5x_i2c_resources,
144aa3db 223 .dev = {
e7068ad3 224 .platform_data = &orion5x_i2c_pdata,
144aa3db
HVR
225 },
226};
227
044f6c7c
LB
228void __init orion5x_i2c_init(void)
229{
230 platform_device_register(&orion5x_i2c);
231}
232
233
f244baa3 234/*****************************************************************************
044f6c7c 235 * SATA
f244baa3 236 ****************************************************************************/
9dd0b194 237static struct resource orion5x_sata_resources[] = {
f244baa3 238 {
e7068ad3
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239 .name = "sata base",
240 .start = ORION5X_SATA_PHYS_BASE,
241 .end = ORION5X_SATA_PHYS_BASE + 0x5000 - 1,
242 .flags = IORESOURCE_MEM,
243 }, {
244 .name = "sata irq",
245 .start = IRQ_ORION5X_SATA,
246 .end = IRQ_ORION5X_SATA,
247 .flags = IORESOURCE_IRQ,
248 },
f244baa3
SB
249};
250
9dd0b194 251static struct platform_device orion5x_sata = {
e7068ad3
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252 .name = "sata_mv",
253 .id = 0,
f244baa3
SB
254 .dev = {
255 .coherent_dma_mask = 0xffffffff,
256 },
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257 .num_resources = ARRAY_SIZE(orion5x_sata_resources),
258 .resource = orion5x_sata_resources,
f244baa3
SB
259};
260
9dd0b194 261void __init orion5x_sata_init(struct mv_sata_platform_data *sata_data)
f244baa3 262{
9dd0b194
LB
263 sata_data->dram = &orion5x_mbus_dram_info;
264 orion5x_sata.dev.platform_data = sata_data;
265 platform_device_register(&orion5x_sata);
f244baa3
SB
266}
267
044f6c7c 268
2bac1de2 269/*****************************************************************************
044f6c7c
LB
270 * UART0
271 ****************************************************************************/
272static struct plat_serial8250_port orion5x_uart0_data[] = {
273 {
274 .mapbase = UART0_PHYS_BASE,
275 .membase = (char *)UART0_VIRT_BASE,
276 .irq = IRQ_ORION5X_UART0,
277 .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
278 .iotype = UPIO_MEM,
279 .regshift = 2,
280 .uartclk = ORION5X_TCLK,
281 }, {
282 },
283};
284
285static struct resource orion5x_uart0_resources[] = {
286 {
287 .start = UART0_PHYS_BASE,
288 .end = UART0_PHYS_BASE + 0xff,
289 .flags = IORESOURCE_MEM,
290 }, {
291 .start = IRQ_ORION5X_UART0,
292 .end = IRQ_ORION5X_UART0,
293 .flags = IORESOURCE_IRQ,
294 },
295};
296
297static struct platform_device orion5x_uart0 = {
298 .name = "serial8250",
299 .id = PLAT8250_DEV_PLATFORM,
300 .dev = {
301 .platform_data = orion5x_uart0_data,
302 },
303 .resource = orion5x_uart0_resources,
304 .num_resources = ARRAY_SIZE(orion5x_uart0_resources),
305};
306
307void __init orion5x_uart0_init(void)
308{
309 platform_device_register(&orion5x_uart0);
310}
311
312
313/*****************************************************************************
314 * UART1
2bac1de2 315 ****************************************************************************/
044f6c7c
LB
316static struct plat_serial8250_port orion5x_uart1_data[] = {
317 {
318 .mapbase = UART1_PHYS_BASE,
319 .membase = (char *)UART1_VIRT_BASE,
320 .irq = IRQ_ORION5X_UART1,
321 .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF,
322 .iotype = UPIO_MEM,
323 .regshift = 2,
324 .uartclk = ORION5X_TCLK,
325 }, {
326 },
327};
328
329static struct resource orion5x_uart1_resources[] = {
330 {
331 .start = UART1_PHYS_BASE,
332 .end = UART1_PHYS_BASE + 0xff,
333 .flags = IORESOURCE_MEM,
334 }, {
335 .start = IRQ_ORION5X_UART1,
336 .end = IRQ_ORION5X_UART1,
337 .flags = IORESOURCE_IRQ,
338 },
339};
340
341static struct platform_device orion5x_uart1 = {
342 .name = "serial8250",
343 .id = PLAT8250_DEV_PLATFORM1,
344 .dev = {
345 .platform_data = orion5x_uart1_data,
346 },
347 .resource = orion5x_uart1_resources,
348 .num_resources = ARRAY_SIZE(orion5x_uart1_resources),
349};
350
351void __init orion5x_uart1_init(void)
352{
353 platform_device_register(&orion5x_uart1);
354}
2bac1de2 355
044f6c7c
LB
356
357/*****************************************************************************
358 * Time handling
359 ****************************************************************************/
9dd0b194 360static void orion5x_timer_init(void)
2bac1de2 361{
9dd0b194 362 orion_time_init(IRQ_ORION5X_BRIDGE, ORION5X_TCLK);
2bac1de2
LB
363}
364
9dd0b194 365struct sys_timer orion5x_timer = {
e7068ad3 366 .init = orion5x_timer_init,
2bac1de2
LB
367};
368
044f6c7c 369
c67de5b3
TP
370/*****************************************************************************
371 * General
372 ****************************************************************************/
c67de5b3 373/*
b46926bb 374 * Identify device ID and rev from PCIe configuration header space '0'.
c67de5b3 375 */
9dd0b194 376static void __init orion5x_id(u32 *dev, u32 *rev, char **dev_name)
c67de5b3 377{
9dd0b194 378 orion5x_pcie_id(dev, rev);
c67de5b3
TP
379
380 if (*dev == MV88F5281_DEV_ID) {
381 if (*rev == MV88F5281_REV_D2) {
382 *dev_name = "MV88F5281-D2";
383 } else if (*rev == MV88F5281_REV_D1) {
384 *dev_name = "MV88F5281-D1";
385 } else {
386 *dev_name = "MV88F5281-Rev-Unsupported";
387 }
388 } else if (*dev == MV88F5182_DEV_ID) {
389 if (*rev == MV88F5182_REV_A2) {
390 *dev_name = "MV88F5182-A2";
391 } else {
392 *dev_name = "MV88F5182-Rev-Unsupported";
393 }
c9e3de94
HVR
394 } else if (*dev == MV88F5181_DEV_ID) {
395 if (*rev == MV88F5181_REV_B1) {
396 *dev_name = "MV88F5181-Rev-B1";
d2b2a6bb
LB
397 } else if (*rev == MV88F5181L_REV_A1) {
398 *dev_name = "MV88F5181L-Rev-A1";
c9e3de94 399 } else {
d2b2a6bb 400 *dev_name = "MV88F5181(L)-Rev-Unsupported";
c9e3de94 401 }
c67de5b3
TP
402 } else {
403 *dev_name = "Device-Unknown";
404 }
405}
406
9dd0b194 407void __init orion5x_init(void)
c67de5b3
TP
408{
409 char *dev_name;
410 u32 dev, rev;
411
9dd0b194
LB
412 orion5x_id(&dev, &rev, &dev_name);
413 printk(KERN_INFO "Orion ID: %s. TCLK=%d.\n", dev_name, ORION5X_TCLK);
c67de5b3
TP
414
415 /*
416 * Setup Orion address map
417 */
9dd0b194 418 orion5x_setup_cpu_mbus_bridge();
c67de5b3 419}
be73a347
GL
420
421/*
422 * Many orion-based systems have buggy bootloader implementations.
423 * This is a common fixup for bogus memory tags.
424 */
425void __init tag_fixup_mem32(struct machine_desc *mdesc, struct tag *t,
426 char **from, struct meminfo *meminfo)
427{
428 for (; t->hdr.size; t = tag_next(t))
429 if (t->hdr.tag == ATAG_MEM &&
430 (!t->u.mem.size || t->u.mem.size & ~PAGE_MASK ||
431 t->u.mem.start & ~PAGE_MASK)) {
432 printk(KERN_WARNING
433 "Clearing invalid memory bank %dKB@0x%08x\n",
434 t->u.mem.size / 1024, t->u.mem.start);
435 t->hdr.tag = 0;
436 }
437}