2 * arch/arm/mach-orion5x/common.c
4 * Core functions for Marvell Orion 5x SoCs
6 * Maintainer: Tzachi Perelstein <tzachi@marvell.com>
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.
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 <linux/spi/orion_spi.h>
24 #include <asm/setup.h>
25 #include <asm/timex.h>
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/time.h>
29 #include <mach/hardware.h>
30 #include <mach/orion5x.h>
31 #include <plat/ehci-orion.h>
32 #include <plat/mv_xor.h>
33 #include <plat/orion_nand.h>
34 #include <plat/time.h>
37 /*****************************************************************************
39 ****************************************************************************/
40 static struct map_desc orion5x_io_desc
[] __initdata
= {
42 .virtual = ORION5X_REGS_VIRT_BASE
,
43 .pfn
= __phys_to_pfn(ORION5X_REGS_PHYS_BASE
),
44 .length
= ORION5X_REGS_SIZE
,
47 .virtual = ORION5X_PCIE_IO_VIRT_BASE
,
48 .pfn
= __phys_to_pfn(ORION5X_PCIE_IO_PHYS_BASE
),
49 .length
= ORION5X_PCIE_IO_SIZE
,
52 .virtual = ORION5X_PCI_IO_VIRT_BASE
,
53 .pfn
= __phys_to_pfn(ORION5X_PCI_IO_PHYS_BASE
),
54 .length
= ORION5X_PCI_IO_SIZE
,
57 .virtual = ORION5X_PCIE_WA_VIRT_BASE
,
58 .pfn
= __phys_to_pfn(ORION5X_PCIE_WA_PHYS_BASE
),
59 .length
= ORION5X_PCIE_WA_SIZE
,
64 void __init
orion5x_map_io(void)
66 iotable_init(orion5x_io_desc
, ARRAY_SIZE(orion5x_io_desc
));
70 /*****************************************************************************
72 ****************************************************************************/
73 static struct orion_ehci_data orion5x_ehci_data
= {
74 .dram
= &orion5x_mbus_dram_info
,
75 .phy_version
= EHCI_PHY_ORION
,
78 static u64 ehci_dmamask
= 0xffffffffUL
;
81 /*****************************************************************************
83 ****************************************************************************/
84 static struct resource orion5x_ehci0_resources
[] = {
86 .start
= ORION5X_USB0_PHYS_BASE
,
87 .end
= ORION5X_USB0_PHYS_BASE
+ SZ_4K
- 1,
88 .flags
= IORESOURCE_MEM
,
90 .start
= IRQ_ORION5X_USB0_CTRL
,
91 .end
= IRQ_ORION5X_USB0_CTRL
,
92 .flags
= IORESOURCE_IRQ
,
96 static struct platform_device orion5x_ehci0
= {
100 .dma_mask
= &ehci_dmamask
,
101 .coherent_dma_mask
= 0xffffffff,
102 .platform_data
= &orion5x_ehci_data
,
104 .resource
= orion5x_ehci0_resources
,
105 .num_resources
= ARRAY_SIZE(orion5x_ehci0_resources
),
108 void __init
orion5x_ehci0_init(void)
110 platform_device_register(&orion5x_ehci0
);
114 /*****************************************************************************
116 ****************************************************************************/
117 static struct resource orion5x_ehci1_resources
[] = {
119 .start
= ORION5X_USB1_PHYS_BASE
,
120 .end
= ORION5X_USB1_PHYS_BASE
+ SZ_4K
- 1,
121 .flags
= IORESOURCE_MEM
,
123 .start
= IRQ_ORION5X_USB1_CTRL
,
124 .end
= IRQ_ORION5X_USB1_CTRL
,
125 .flags
= IORESOURCE_IRQ
,
129 static struct platform_device orion5x_ehci1
= {
130 .name
= "orion-ehci",
133 .dma_mask
= &ehci_dmamask
,
134 .coherent_dma_mask
= 0xffffffff,
135 .platform_data
= &orion5x_ehci_data
,
137 .resource
= orion5x_ehci1_resources
,
138 .num_resources
= ARRAY_SIZE(orion5x_ehci1_resources
),
141 void __init
orion5x_ehci1_init(void)
143 platform_device_register(&orion5x_ehci1
);
147 /*****************************************************************************
149 ****************************************************************************/
150 struct mv643xx_eth_shared_platform_data orion5x_eth_shared_data
= {
151 .dram
= &orion5x_mbus_dram_info
,
154 static struct resource orion5x_eth_shared_resources
[] = {
156 .start
= ORION5X_ETH_PHYS_BASE
+ 0x2000,
157 .end
= ORION5X_ETH_PHYS_BASE
+ 0x3fff,
158 .flags
= IORESOURCE_MEM
,
160 .start
= IRQ_ORION5X_ETH_ERR
,
161 .end
= IRQ_ORION5X_ETH_ERR
,
162 .flags
= IORESOURCE_IRQ
,
166 static struct platform_device orion5x_eth_shared
= {
167 .name
= MV643XX_ETH_SHARED_NAME
,
170 .platform_data
= &orion5x_eth_shared_data
,
172 .num_resources
= ARRAY_SIZE(orion5x_eth_shared_resources
),
173 .resource
= orion5x_eth_shared_resources
,
176 static struct resource orion5x_eth_resources
[] = {
179 .start
= IRQ_ORION5X_ETH_SUM
,
180 .end
= IRQ_ORION5X_ETH_SUM
,
181 .flags
= IORESOURCE_IRQ
,
185 static struct platform_device orion5x_eth
= {
186 .name
= MV643XX_ETH_NAME
,
189 .resource
= orion5x_eth_resources
,
192 void __init
orion5x_eth_init(struct mv643xx_eth_platform_data
*eth_data
)
194 eth_data
->shared
= &orion5x_eth_shared
;
195 orion5x_eth
.dev
.platform_data
= eth_data
;
197 platform_device_register(&orion5x_eth_shared
);
198 platform_device_register(&orion5x_eth
);
202 /*****************************************************************************
204 ****************************************************************************/
205 static struct resource orion5x_switch_resources
[] = {
209 .flags
= IORESOURCE_IRQ
,
213 static struct platform_device orion5x_switch_device
= {
217 .resource
= orion5x_switch_resources
,
220 void __init
orion5x_eth_switch_init(struct dsa_platform_data
*d
, int irq
)
225 orion5x_switch_resources
[0].start
= irq
;
226 orion5x_switch_resources
[0].end
= irq
;
227 orion5x_switch_device
.num_resources
= 1;
230 d
->netdev
= &orion5x_eth
.dev
;
231 for (i
= 0; i
< d
->nr_chips
; i
++)
232 d
->chip
[i
].mii_bus
= &orion5x_eth_shared
.dev
;
233 orion5x_switch_device
.dev
.platform_data
= d
;
235 platform_device_register(&orion5x_switch_device
);
239 /*****************************************************************************
241 ****************************************************************************/
242 static struct mv64xxx_i2c_pdata orion5x_i2c_pdata
= {
243 .freq_m
= 8, /* assumes 166 MHz TCLK */
245 .timeout
= 1000, /* Default timeout of 1 second */
248 static struct resource orion5x_i2c_resources
[] = {
251 .start
= I2C_PHYS_BASE
,
252 .end
= I2C_PHYS_BASE
+ 0x1f,
253 .flags
= IORESOURCE_MEM
,
256 .start
= IRQ_ORION5X_I2C
,
257 .end
= IRQ_ORION5X_I2C
,
258 .flags
= IORESOURCE_IRQ
,
262 static struct platform_device orion5x_i2c
= {
263 .name
= MV64XXX_I2C_CTLR_NAME
,
265 .num_resources
= ARRAY_SIZE(orion5x_i2c_resources
),
266 .resource
= orion5x_i2c_resources
,
268 .platform_data
= &orion5x_i2c_pdata
,
272 void __init
orion5x_i2c_init(void)
274 platform_device_register(&orion5x_i2c
);
278 /*****************************************************************************
280 ****************************************************************************/
281 static struct resource orion5x_sata_resources
[] = {
284 .start
= ORION5X_SATA_PHYS_BASE
,
285 .end
= ORION5X_SATA_PHYS_BASE
+ 0x5000 - 1,
286 .flags
= IORESOURCE_MEM
,
289 .start
= IRQ_ORION5X_SATA
,
290 .end
= IRQ_ORION5X_SATA
,
291 .flags
= IORESOURCE_IRQ
,
295 static struct platform_device orion5x_sata
= {
299 .coherent_dma_mask
= 0xffffffff,
301 .num_resources
= ARRAY_SIZE(orion5x_sata_resources
),
302 .resource
= orion5x_sata_resources
,
305 void __init
orion5x_sata_init(struct mv_sata_platform_data
*sata_data
)
307 sata_data
->dram
= &orion5x_mbus_dram_info
;
308 orion5x_sata
.dev
.platform_data
= sata_data
;
309 platform_device_register(&orion5x_sata
);
313 /*****************************************************************************
315 ****************************************************************************/
316 static struct orion_spi_info orion5x_spi_plat_data
= {
318 .enable_clock_fix
= 1,
321 static struct resource orion5x_spi_resources
[] = {
324 .start
= SPI_PHYS_BASE
,
325 .end
= SPI_PHYS_BASE
+ 0x1f,
326 .flags
= IORESOURCE_MEM
,
330 static struct platform_device orion5x_spi
= {
334 .platform_data
= &orion5x_spi_plat_data
,
336 .num_resources
= ARRAY_SIZE(orion5x_spi_resources
),
337 .resource
= orion5x_spi_resources
,
340 void __init
orion5x_spi_init()
342 platform_device_register(&orion5x_spi
);
346 /*****************************************************************************
348 ****************************************************************************/
349 static struct plat_serial8250_port orion5x_uart0_data
[] = {
351 .mapbase
= UART0_PHYS_BASE
,
352 .membase
= (char *)UART0_VIRT_BASE
,
353 .irq
= IRQ_ORION5X_UART0
,
354 .flags
= UPF_SKIP_TEST
| UPF_BOOT_AUTOCONF
,
362 static struct resource orion5x_uart0_resources
[] = {
364 .start
= UART0_PHYS_BASE
,
365 .end
= UART0_PHYS_BASE
+ 0xff,
366 .flags
= IORESOURCE_MEM
,
368 .start
= IRQ_ORION5X_UART0
,
369 .end
= IRQ_ORION5X_UART0
,
370 .flags
= IORESOURCE_IRQ
,
374 static struct platform_device orion5x_uart0
= {
375 .name
= "serial8250",
376 .id
= PLAT8250_DEV_PLATFORM
,
378 .platform_data
= orion5x_uart0_data
,
380 .resource
= orion5x_uart0_resources
,
381 .num_resources
= ARRAY_SIZE(orion5x_uart0_resources
),
384 void __init
orion5x_uart0_init(void)
386 platform_device_register(&orion5x_uart0
);
390 /*****************************************************************************
392 ****************************************************************************/
393 static struct plat_serial8250_port orion5x_uart1_data
[] = {
395 .mapbase
= UART1_PHYS_BASE
,
396 .membase
= (char *)UART1_VIRT_BASE
,
397 .irq
= IRQ_ORION5X_UART1
,
398 .flags
= UPF_SKIP_TEST
| UPF_BOOT_AUTOCONF
,
406 static struct resource orion5x_uart1_resources
[] = {
408 .start
= UART1_PHYS_BASE
,
409 .end
= UART1_PHYS_BASE
+ 0xff,
410 .flags
= IORESOURCE_MEM
,
412 .start
= IRQ_ORION5X_UART1
,
413 .end
= IRQ_ORION5X_UART1
,
414 .flags
= IORESOURCE_IRQ
,
418 static struct platform_device orion5x_uart1
= {
419 .name
= "serial8250",
420 .id
= PLAT8250_DEV_PLATFORM1
,
422 .platform_data
= orion5x_uart1_data
,
424 .resource
= orion5x_uart1_resources
,
425 .num_resources
= ARRAY_SIZE(orion5x_uart1_resources
),
428 void __init
orion5x_uart1_init(void)
430 platform_device_register(&orion5x_uart1
);
434 /*****************************************************************************
436 ****************************************************************************/
437 struct mv_xor_platform_shared_data orion5x_xor_shared_data
= {
438 .dram
= &orion5x_mbus_dram_info
,
441 static struct resource orion5x_xor_shared_resources
[] = {
444 .start
= ORION5X_XOR_PHYS_BASE
,
445 .end
= ORION5X_XOR_PHYS_BASE
+ 0xff,
446 .flags
= IORESOURCE_MEM
,
449 .start
= ORION5X_XOR_PHYS_BASE
+ 0x200,
450 .end
= ORION5X_XOR_PHYS_BASE
+ 0x2ff,
451 .flags
= IORESOURCE_MEM
,
455 static struct platform_device orion5x_xor_shared
= {
456 .name
= MV_XOR_SHARED_NAME
,
459 .platform_data
= &orion5x_xor_shared_data
,
461 .num_resources
= ARRAY_SIZE(orion5x_xor_shared_resources
),
462 .resource
= orion5x_xor_shared_resources
,
465 static u64 orion5x_xor_dmamask
= DMA_32BIT_MASK
;
467 static struct resource orion5x_xor0_resources
[] = {
469 .start
= IRQ_ORION5X_XOR0
,
470 .end
= IRQ_ORION5X_XOR0
,
471 .flags
= IORESOURCE_IRQ
,
475 static struct mv_xor_platform_data orion5x_xor0_data
= {
476 .shared
= &orion5x_xor_shared
,
478 .pool_size
= PAGE_SIZE
,
481 static struct platform_device orion5x_xor0_channel
= {
484 .num_resources
= ARRAY_SIZE(orion5x_xor0_resources
),
485 .resource
= orion5x_xor0_resources
,
487 .dma_mask
= &orion5x_xor_dmamask
,
488 .coherent_dma_mask
= DMA_64BIT_MASK
,
489 .platform_data
= (void *)&orion5x_xor0_data
,
493 static struct resource orion5x_xor1_resources
[] = {
495 .start
= IRQ_ORION5X_XOR1
,
496 .end
= IRQ_ORION5X_XOR1
,
497 .flags
= IORESOURCE_IRQ
,
501 static struct mv_xor_platform_data orion5x_xor1_data
= {
502 .shared
= &orion5x_xor_shared
,
504 .pool_size
= PAGE_SIZE
,
507 static struct platform_device orion5x_xor1_channel
= {
510 .num_resources
= ARRAY_SIZE(orion5x_xor1_resources
),
511 .resource
= orion5x_xor1_resources
,
513 .dma_mask
= &orion5x_xor_dmamask
,
514 .coherent_dma_mask
= DMA_64BIT_MASK
,
515 .platform_data
= (void *)&orion5x_xor1_data
,
519 void __init
orion5x_xor_init(void)
521 platform_device_register(&orion5x_xor_shared
);
524 * two engines can't do memset simultaneously, this limitation
525 * satisfied by removing memset support from one of the engines.
527 dma_cap_set(DMA_MEMCPY
, orion5x_xor0_data
.cap_mask
);
528 dma_cap_set(DMA_XOR
, orion5x_xor0_data
.cap_mask
);
529 platform_device_register(&orion5x_xor0_channel
);
531 dma_cap_set(DMA_MEMCPY
, orion5x_xor1_data
.cap_mask
);
532 dma_cap_set(DMA_MEMSET
, orion5x_xor1_data
.cap_mask
);
533 dma_cap_set(DMA_XOR
, orion5x_xor1_data
.cap_mask
);
534 platform_device_register(&orion5x_xor1_channel
);
538 /*****************************************************************************
540 ****************************************************************************/
543 int __init
orion5x_find_tclk(void)
547 orion5x_pcie_id(&dev
, &rev
);
548 if (dev
== MV88F6183_DEV_ID
&&
549 (readl(MPP_RESET_SAMPLE
) & 0x00000200) == 0)
555 static void orion5x_timer_init(void)
557 orion5x_tclk
= orion5x_find_tclk();
558 orion_time_init(IRQ_ORION5X_BRIDGE
, orion5x_tclk
);
561 struct sys_timer orion5x_timer
= {
562 .init
= orion5x_timer_init
,
566 /*****************************************************************************
568 ****************************************************************************/
570 * Identify device ID and rev from PCIe configuration header space '0'.
572 static void __init
orion5x_id(u32
*dev
, u32
*rev
, char **dev_name
)
574 orion5x_pcie_id(dev
, rev
);
576 if (*dev
== MV88F5281_DEV_ID
) {
577 if (*rev
== MV88F5281_REV_D2
) {
578 *dev_name
= "MV88F5281-D2";
579 } else if (*rev
== MV88F5281_REV_D1
) {
580 *dev_name
= "MV88F5281-D1";
581 } else if (*rev
== MV88F5281_REV_D0
) {
582 *dev_name
= "MV88F5281-D0";
584 *dev_name
= "MV88F5281-Rev-Unsupported";
586 } else if (*dev
== MV88F5182_DEV_ID
) {
587 if (*rev
== MV88F5182_REV_A2
) {
588 *dev_name
= "MV88F5182-A2";
590 *dev_name
= "MV88F5182-Rev-Unsupported";
592 } else if (*dev
== MV88F5181_DEV_ID
) {
593 if (*rev
== MV88F5181_REV_B1
) {
594 *dev_name
= "MV88F5181-Rev-B1";
595 } else if (*rev
== MV88F5181L_REV_A1
) {
596 *dev_name
= "MV88F5181L-Rev-A1";
598 *dev_name
= "MV88F5181(L)-Rev-Unsupported";
600 } else if (*dev
== MV88F6183_DEV_ID
) {
601 if (*rev
== MV88F6183_REV_B0
) {
602 *dev_name
= "MV88F6183-Rev-B0";
604 *dev_name
= "MV88F6183-Rev-Unsupported";
607 *dev_name
= "Device-Unknown";
611 void __init
orion5x_init(void)
616 orion5x_id(&dev
, &rev
, &dev_name
);
617 printk(KERN_INFO
"Orion ID: %s. TCLK=%d.\n", dev_name
, orion5x_tclk
);
619 orion5x_eth_shared_data
.t_clk
= orion5x_tclk
;
620 orion5x_spi_plat_data
.tclk
= orion5x_tclk
;
621 orion5x_uart0_data
[0].uartclk
= orion5x_tclk
;
622 orion5x_uart1_data
[0].uartclk
= orion5x_tclk
;
625 * Setup Orion address map
627 orion5x_setup_cpu_mbus_bridge();
630 * Don't issue "Wait for Interrupt" instruction if we are
631 * running on D0 5281 silicon.
633 if (dev
== MV88F5281_DEV_ID
&& rev
== MV88F5281_REV_D0
) {
634 printk(KERN_INFO
"Orion: Applying 5281 D0 WFI workaround.\n");
640 * Many orion-based systems have buggy bootloader implementations.
641 * This is a common fixup for bogus memory tags.
643 void __init
tag_fixup_mem32(struct machine_desc
*mdesc
, struct tag
*t
,
644 char **from
, struct meminfo
*meminfo
)
646 for (; t
->hdr
.size
; t
= tag_next(t
))
647 if (t
->hdr
.tag
== ATAG_MEM
&&
648 (!t
->u
.mem
.size
|| t
->u
.mem
.size
& ~PAGE_MASK
||
649 t
->u
.mem
.start
& ~PAGE_MASK
)) {
651 "Clearing invalid memory bank %dKB@0x%08x\n",
652 t
->u
.mem
.size
/ 1024, t
->u
.mem
.start
);