Commit | Line | Data |
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edabd38e SB |
1 | /* |
2 | * arch/arm/mach-dove/common.c | |
3 | * | |
4 | * Core functions for Marvell Dove 88AP510 System On Chip | |
5 | * | |
6 | * This file is licensed under the terms of the GNU General Public | |
7 | * License version 2. This program is licensed "as is" without any | |
8 | * warranty of any kind, whether express or implied. | |
9 | */ | |
10 | ||
2f129bf4 | 11 | #include <linux/clk-provider.h> |
5b03df9a | 12 | #include <linux/clk/mvebu.h> |
b3af7a1f SH |
13 | #include <linux/dma-mapping.h> |
14 | #include <linux/init.h> | |
81d2ef7c SH |
15 | #include <linux/of.h> |
16 | #include <linux/of_platform.h> | |
b3af7a1f SH |
17 | #include <linux/platform_data/dma-mv_xor.h> |
18 | #include <linux/platform_data/usb-ehci-orion.h> | |
19 | #include <linux/platform_device.h> | |
573a652f | 20 | #include <asm/hardware/cache-tauros2.h> |
b3af7a1f | 21 | #include <asm/mach/arch.h> |
edabd38e SB |
22 | #include <asm/mach/map.h> |
23 | #include <asm/mach/time.h> | |
edabd38e | 24 | #include <mach/bridge-regs.h> |
b3af7a1f | 25 | #include <mach/pm.h> |
28a2b450 | 26 | #include <plat/common.h> |
b3af7a1f SH |
27 | #include <plat/irq.h> |
28 | #include <plat/time.h> | |
edabd38e SB |
29 | #include "common.h" |
30 | ||
31 | /***************************************************************************** | |
32 | * I/O Address Mapping | |
33 | ****************************************************************************/ | |
34 | static struct map_desc dove_io_desc[] __initdata = { | |
35 | { | |
c3c5a281 | 36 | .virtual = (unsigned long) DOVE_SB_REGS_VIRT_BASE, |
edabd38e SB |
37 | .pfn = __phys_to_pfn(DOVE_SB_REGS_PHYS_BASE), |
38 | .length = DOVE_SB_REGS_SIZE, | |
39 | .type = MT_DEVICE, | |
40 | }, { | |
c3c5a281 | 41 | .virtual = (unsigned long) DOVE_NB_REGS_VIRT_BASE, |
edabd38e SB |
42 | .pfn = __phys_to_pfn(DOVE_NB_REGS_PHYS_BASE), |
43 | .length = DOVE_NB_REGS_SIZE, | |
44 | .type = MT_DEVICE, | |
edabd38e SB |
45 | }, |
46 | }; | |
47 | ||
48 | void __init dove_map_io(void) | |
49 | { | |
50 | iotable_init(dove_io_desc, ARRAY_SIZE(dove_io_desc)); | |
51 | } | |
52 | ||
2f129bf4 AL |
53 | /***************************************************************************** |
54 | * CLK tree | |
55 | ****************************************************************************/ | |
5817d10b | 56 | static int dove_tclk; |
52167471 SH |
57 | |
58 | static DEFINE_SPINLOCK(gating_lock); | |
2f129bf4 AL |
59 | static struct clk *tclk; |
60 | ||
52167471 SH |
61 | static struct clk __init *dove_register_gate(const char *name, |
62 | const char *parent, u8 bit_idx) | |
2f129bf4 | 63 | { |
52167471 SH |
64 | return clk_register_gate(NULL, name, parent, 0, |
65 | (void __iomem *)CLOCK_GATING_CONTROL, | |
66 | bit_idx, 0, &gating_lock); | |
67 | } | |
68 | ||
5817d10b | 69 | static void __init dove_clk_init(void) |
2f129bf4 | 70 | { |
52167471 SH |
71 | struct clk *usb0, *usb1, *sata, *pex0, *pex1, *sdio0, *sdio1; |
72 | struct clk *nand, *camera, *i2s0, *i2s1, *crypto, *ac97, *pdma; | |
73 | struct clk *xor0, *xor1, *ge, *gephy; | |
4574b886 | 74 | |
2f129bf4 | 75 | tclk = clk_register_fixed_rate(NULL, "tclk", NULL, CLK_IS_ROOT, |
5817d10b | 76 | dove_tclk); |
4574b886 | 77 | |
52167471 SH |
78 | usb0 = dove_register_gate("usb0", "tclk", CLOCK_GATING_BIT_USB0); |
79 | usb1 = dove_register_gate("usb1", "tclk", CLOCK_GATING_BIT_USB1); | |
80 | sata = dove_register_gate("sata", "tclk", CLOCK_GATING_BIT_SATA); | |
81 | pex0 = dove_register_gate("pex0", "tclk", CLOCK_GATING_BIT_PCIE0); | |
82 | pex1 = dove_register_gate("pex1", "tclk", CLOCK_GATING_BIT_PCIE1); | |
83 | sdio0 = dove_register_gate("sdio0", "tclk", CLOCK_GATING_BIT_SDIO0); | |
84 | sdio1 = dove_register_gate("sdio1", "tclk", CLOCK_GATING_BIT_SDIO1); | |
85 | nand = dove_register_gate("nand", "tclk", CLOCK_GATING_BIT_NAND); | |
86 | camera = dove_register_gate("camera", "tclk", CLOCK_GATING_BIT_CAMERA); | |
87 | i2s0 = dove_register_gate("i2s0", "tclk", CLOCK_GATING_BIT_I2S0); | |
88 | i2s1 = dove_register_gate("i2s1", "tclk", CLOCK_GATING_BIT_I2S1); | |
89 | crypto = dove_register_gate("crypto", "tclk", CLOCK_GATING_BIT_CRYPTO); | |
90 | ac97 = dove_register_gate("ac97", "tclk", CLOCK_GATING_BIT_AC97); | |
91 | pdma = dove_register_gate("pdma", "tclk", CLOCK_GATING_BIT_PDMA); | |
92 | xor0 = dove_register_gate("xor0", "tclk", CLOCK_GATING_BIT_XOR0); | |
93 | xor1 = dove_register_gate("xor1", "tclk", CLOCK_GATING_BIT_XOR1); | |
94 | gephy = dove_register_gate("gephy", "tclk", CLOCK_GATING_BIT_GIGA_PHY); | |
95 | ge = dove_register_gate("ge", "gephy", CLOCK_GATING_BIT_GBE); | |
96 | ||
97 | orion_clkdev_add(NULL, "orion_spi.0", tclk); | |
98 | orion_clkdev_add(NULL, "orion_spi.1", tclk); | |
99 | orion_clkdev_add(NULL, "orion_wdt", tclk); | |
100 | orion_clkdev_add(NULL, "mv64xxx_i2c.0", tclk); | |
101 | ||
102 | orion_clkdev_add(NULL, "orion-ehci.0", usb0); | |
103 | orion_clkdev_add(NULL, "orion-ehci.1", usb1); | |
3fbcd3d0 SH |
104 | orion_clkdev_add(NULL, "mv643xx_eth_port.0", ge); |
105 | orion_clkdev_add(NULL, "sata_mv.0", sata); | |
52167471 SH |
106 | orion_clkdev_add("0", "pcie", pex0); |
107 | orion_clkdev_add("1", "pcie", pex1); | |
108 | orion_clkdev_add(NULL, "sdhci-dove.0", sdio0); | |
109 | orion_clkdev_add(NULL, "sdhci-dove.1", sdio1); | |
110 | orion_clkdev_add(NULL, "orion_nand", nand); | |
111 | orion_clkdev_add(NULL, "cafe1000-ccic.0", camera); | |
112 | orion_clkdev_add(NULL, "kirkwood-i2s.0", i2s0); | |
113 | orion_clkdev_add(NULL, "kirkwood-i2s.1", i2s1); | |
114 | orion_clkdev_add(NULL, "mv_crypto", crypto); | |
115 | orion_clkdev_add(NULL, "dove-ac97", ac97); | |
116 | orion_clkdev_add(NULL, "dove-pdma", pdma); | |
0dddee7a TP |
117 | orion_clkdev_add(NULL, MV_XOR_NAME ".0", xor0); |
118 | orion_clkdev_add(NULL, MV_XOR_NAME ".1", xor1); | |
2f129bf4 AL |
119 | } |
120 | ||
edabd38e SB |
121 | /***************************************************************************** |
122 | * EHCI0 | |
123 | ****************************************************************************/ | |
edabd38e SB |
124 | void __init dove_ehci0_init(void) |
125 | { | |
72053353 | 126 | orion_ehci_init(DOVE_USB0_PHYS_BASE, IRQ_DOVE_USB0, EHCI_PHY_NA); |
edabd38e SB |
127 | } |
128 | ||
129 | /***************************************************************************** | |
130 | * EHCI1 | |
131 | ****************************************************************************/ | |
edabd38e SB |
132 | void __init dove_ehci1_init(void) |
133 | { | |
db33f4de | 134 | orion_ehci_1_init(DOVE_USB1_PHYS_BASE, IRQ_DOVE_USB1); |
edabd38e SB |
135 | } |
136 | ||
137 | /***************************************************************************** | |
138 | * GE00 | |
139 | ****************************************************************************/ | |
edabd38e SB |
140 | void __init dove_ge00_init(struct mv643xx_eth_platform_data *eth_data) |
141 | { | |
30e0f580 | 142 | orion_ge00_init(eth_data, DOVE_GE00_PHYS_BASE, |
58569aee AP |
143 | IRQ_DOVE_GE00_SUM, IRQ_DOVE_GE00_ERR, |
144 | 1600); | |
edabd38e SB |
145 | } |
146 | ||
147 | /***************************************************************************** | |
148 | * SoC RTC | |
149 | ****************************************************************************/ | |
edabd38e SB |
150 | void __init dove_rtc_init(void) |
151 | { | |
f6eaccb3 | 152 | orion_rtc_init(DOVE_RTC_PHYS_BASE, IRQ_DOVE_RTC); |
edabd38e SB |
153 | } |
154 | ||
155 | /***************************************************************************** | |
156 | * SATA | |
157 | ****************************************************************************/ | |
edabd38e SB |
158 | void __init dove_sata_init(struct mv_sata_platform_data *sata_data) |
159 | { | |
db33f4de | 160 | orion_sata_init(sata_data, DOVE_SATA_PHYS_BASE, IRQ_DOVE_SATA); |
9e613f8a | 161 | |
edabd38e SB |
162 | } |
163 | ||
164 | /***************************************************************************** | |
165 | * UART0 | |
166 | ****************************************************************************/ | |
edabd38e SB |
167 | void __init dove_uart0_init(void) |
168 | { | |
28a2b450 | 169 | orion_uart0_init(DOVE_UART0_VIRT_BASE, DOVE_UART0_PHYS_BASE, |
74c33576 | 170 | IRQ_DOVE_UART_0, tclk); |
edabd38e SB |
171 | } |
172 | ||
173 | /***************************************************************************** | |
174 | * UART1 | |
175 | ****************************************************************************/ | |
edabd38e SB |
176 | void __init dove_uart1_init(void) |
177 | { | |
28a2b450 | 178 | orion_uart1_init(DOVE_UART1_VIRT_BASE, DOVE_UART1_PHYS_BASE, |
74c33576 | 179 | IRQ_DOVE_UART_1, tclk); |
edabd38e SB |
180 | } |
181 | ||
182 | /***************************************************************************** | |
183 | * UART2 | |
184 | ****************************************************************************/ | |
edabd38e SB |
185 | void __init dove_uart2_init(void) |
186 | { | |
28a2b450 | 187 | orion_uart2_init(DOVE_UART2_VIRT_BASE, DOVE_UART2_PHYS_BASE, |
74c33576 | 188 | IRQ_DOVE_UART_2, tclk); |
edabd38e SB |
189 | } |
190 | ||
191 | /***************************************************************************** | |
192 | * UART3 | |
193 | ****************************************************************************/ | |
edabd38e SB |
194 | void __init dove_uart3_init(void) |
195 | { | |
28a2b450 | 196 | orion_uart3_init(DOVE_UART3_VIRT_BASE, DOVE_UART3_PHYS_BASE, |
74c33576 | 197 | IRQ_DOVE_UART_3, tclk); |
edabd38e SB |
198 | } |
199 | ||
200 | /***************************************************************************** | |
980f9f60 | 201 | * SPI |
edabd38e | 202 | ****************************************************************************/ |
edabd38e SB |
203 | void __init dove_spi0_init(void) |
204 | { | |
4574b886 | 205 | orion_spi_init(DOVE_SPI0_PHYS_BASE); |
edabd38e SB |
206 | } |
207 | ||
edabd38e SB |
208 | void __init dove_spi1_init(void) |
209 | { | |
4574b886 | 210 | orion_spi_1_init(DOVE_SPI1_PHYS_BASE); |
edabd38e SB |
211 | } |
212 | ||
213 | /***************************************************************************** | |
214 | * I2C | |
215 | ****************************************************************************/ | |
edabd38e SB |
216 | void __init dove_i2c_init(void) |
217 | { | |
aac7ffa3 | 218 | orion_i2c_init(DOVE_I2C_PHYS_BASE, IRQ_DOVE_I2C, 10); |
edabd38e SB |
219 | } |
220 | ||
221 | /***************************************************************************** | |
222 | * Time handling | |
223 | ****************************************************************************/ | |
4ee1f6b5 LB |
224 | void __init dove_init_early(void) |
225 | { | |
226 | orion_time_set_base(TIMER_VIRT_BASE); | |
227 | } | |
228 | ||
5817d10b | 229 | static int __init dove_find_tclk(void) |
edabd38e | 230 | { |
edabd38e SB |
231 | return 166666667; |
232 | } | |
233 | ||
6bb27d73 | 234 | void __init dove_timer_init(void) |
edabd38e | 235 | { |
5817d10b | 236 | dove_tclk = dove_find_tclk(); |
4ee1f6b5 | 237 | orion_time_init(BRIDGE_VIRT_BASE, BRIDGE_INT_TIMER1_CLR, |
5817d10b | 238 | IRQ_DOVE_BRIDGE, dove_tclk); |
edabd38e SB |
239 | } |
240 | ||
624d0b52 SH |
241 | /***************************************************************************** |
242 | * Cryptographic Engines and Security Accelerator (CESA) | |
243 | ****************************************************************************/ | |
244 | void __init dove_crypto_init(void) | |
245 | { | |
246 | orion_crypto_init(DOVE_CRYPT_PHYS_BASE, DOVE_CESA_PHYS_BASE, | |
247 | DOVE_CESA_SIZE, IRQ_DOVE_CRYPTO); | |
248 | } | |
249 | ||
edabd38e SB |
250 | /***************************************************************************** |
251 | * XOR 0 | |
252 | ****************************************************************************/ | |
edabd38e SB |
253 | void __init dove_xor0_init(void) |
254 | { | |
db33f4de | 255 | orion_xor0_init(DOVE_XOR0_PHYS_BASE, DOVE_XOR0_HIGH_PHYS_BASE, |
ee962723 | 256 | IRQ_DOVE_XOR_00, IRQ_DOVE_XOR_01); |
edabd38e SB |
257 | } |
258 | ||
259 | /***************************************************************************** | |
260 | * XOR 1 | |
261 | ****************************************************************************/ | |
edabd38e SB |
262 | void __init dove_xor1_init(void) |
263 | { | |
ee962723 AL |
264 | orion_xor1_init(DOVE_XOR1_PHYS_BASE, DOVE_XOR1_HIGH_PHYS_BASE, |
265 | IRQ_DOVE_XOR_10, IRQ_DOVE_XOR_11); | |
edabd38e SB |
266 | } |
267 | ||
16bc90af SB |
268 | /***************************************************************************** |
269 | * SDIO | |
270 | ****************************************************************************/ | |
271 | static u64 sdio_dmamask = DMA_BIT_MASK(32); | |
272 | ||
273 | static struct resource dove_sdio0_resources[] = { | |
274 | { | |
275 | .start = DOVE_SDIO0_PHYS_BASE, | |
276 | .end = DOVE_SDIO0_PHYS_BASE + 0xff, | |
277 | .flags = IORESOURCE_MEM, | |
278 | }, { | |
279 | .start = IRQ_DOVE_SDIO0, | |
280 | .end = IRQ_DOVE_SDIO0, | |
281 | .flags = IORESOURCE_IRQ, | |
282 | }, | |
283 | }; | |
284 | ||
285 | static struct platform_device dove_sdio0 = { | |
930e2fe7 | 286 | .name = "sdhci-dove", |
16bc90af SB |
287 | .id = 0, |
288 | .dev = { | |
289 | .dma_mask = &sdio_dmamask, | |
290 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
291 | }, | |
292 | .resource = dove_sdio0_resources, | |
293 | .num_resources = ARRAY_SIZE(dove_sdio0_resources), | |
294 | }; | |
295 | ||
296 | void __init dove_sdio0_init(void) | |
297 | { | |
298 | platform_device_register(&dove_sdio0); | |
299 | } | |
300 | ||
301 | static struct resource dove_sdio1_resources[] = { | |
302 | { | |
303 | .start = DOVE_SDIO1_PHYS_BASE, | |
304 | .end = DOVE_SDIO1_PHYS_BASE + 0xff, | |
305 | .flags = IORESOURCE_MEM, | |
306 | }, { | |
307 | .start = IRQ_DOVE_SDIO1, | |
308 | .end = IRQ_DOVE_SDIO1, | |
309 | .flags = IORESOURCE_IRQ, | |
310 | }, | |
311 | }; | |
312 | ||
313 | static struct platform_device dove_sdio1 = { | |
930e2fe7 | 314 | .name = "sdhci-dove", |
16bc90af SB |
315 | .id = 1, |
316 | .dev = { | |
317 | .dma_mask = &sdio_dmamask, | |
318 | .coherent_dma_mask = DMA_BIT_MASK(32), | |
319 | }, | |
320 | .resource = dove_sdio1_resources, | |
321 | .num_resources = ARRAY_SIZE(dove_sdio1_resources), | |
322 | }; | |
323 | ||
324 | void __init dove_sdio1_init(void) | |
325 | { | |
326 | platform_device_register(&dove_sdio1); | |
327 | } | |
328 | ||
edabd38e SB |
329 | void __init dove_init(void) |
330 | { | |
5817d10b SH |
331 | pr_info("Dove 88AP510 SoC, TCLK = %d MHz.\n", |
332 | (dove_tclk + 499999) / 1000000); | |
edabd38e | 333 | |
573a652f | 334 | #ifdef CONFIG_CACHE_TAUROS2 |
5cc58157 | 335 | tauros2_init(0); |
573a652f | 336 | #endif |
edabd38e SB |
337 | dove_setup_cpu_mbus(); |
338 | ||
2f129bf4 | 339 | /* Setup root of clk tree */ |
5817d10b | 340 | dove_clk_init(); |
2f129bf4 | 341 | |
edabd38e SB |
342 | /* internal devices that every board has */ |
343 | dove_rtc_init(); | |
344 | dove_xor0_init(); | |
345 | dove_xor1_init(); | |
346 | } | |
6ca6ff97 RK |
347 | |
348 | void dove_restart(char mode, const char *cmd) | |
349 | { | |
350 | /* | |
351 | * Enable soft reset to assert RSTOUTn. | |
352 | */ | |
353 | writel(SOFT_RESET_OUT_EN, RSTOUTn_MASK); | |
354 | ||
355 | /* | |
356 | * Assert soft reset. | |
357 | */ | |
358 | writel(SOFT_RESET, SYSTEM_SOFT_RESET); | |
359 | ||
360 | while (1) | |
361 | ; | |
362 | } | |
81d2ef7c SH |
363 | |
364 | #if defined(CONFIG_MACH_DOVE_DT) | |
365 | /* | |
5b03df9a SH |
366 | * There are still devices that doesn't even know about DT, |
367 | * get clock gates here and add a clock lookup. | |
81d2ef7c | 368 | */ |
5b03df9a SH |
369 | static void __init dove_legacy_clk_init(void) |
370 | { | |
371 | struct device_node *np = of_find_compatible_node(NULL, NULL, | |
372 | "marvell,dove-gating-clock"); | |
373 | struct of_phandle_args clkspec; | |
374 | ||
375 | clkspec.np = np; | |
376 | clkspec.args_count = 1; | |
377 | ||
378 | clkspec.args[0] = CLOCK_GATING_BIT_USB0; | |
379 | orion_clkdev_add(NULL, "orion-ehci.0", | |
380 | of_clk_get_from_provider(&clkspec)); | |
381 | ||
382 | clkspec.args[0] = CLOCK_GATING_BIT_USB1; | |
383 | orion_clkdev_add(NULL, "orion-ehci.1", | |
384 | of_clk_get_from_provider(&clkspec)); | |
385 | ||
386 | clkspec.args[0] = CLOCK_GATING_BIT_GBE; | |
387 | orion_clkdev_add(NULL, "mv643xx_eth_port.0", | |
388 | of_clk_get_from_provider(&clkspec)); | |
389 | ||
390 | clkspec.args[0] = CLOCK_GATING_BIT_PCIE0; | |
391 | orion_clkdev_add("0", "pcie", | |
392 | of_clk_get_from_provider(&clkspec)); | |
393 | ||
394 | clkspec.args[0] = CLOCK_GATING_BIT_PCIE1; | |
395 | orion_clkdev_add("1", "pcie", | |
396 | of_clk_get_from_provider(&clkspec)); | |
5b03df9a SH |
397 | } |
398 | ||
399 | static void __init dove_of_clk_init(void) | |
400 | { | |
401 | mvebu_clocks_init(); | |
402 | dove_legacy_clk_init(); | |
403 | } | |
81d2ef7c SH |
404 | |
405 | static struct mv643xx_eth_platform_data dove_dt_ge00_data = { | |
406 | .phy_addr = MV643XX_ETH_PHY_ADDR_DEFAULT, | |
407 | }; | |
408 | ||
409 | static void __init dove_dt_init(void) | |
410 | { | |
411 | pr_info("Dove 88AP510 SoC, TCLK = %d MHz.\n", | |
412 | (dove_tclk + 499999) / 1000000); | |
413 | ||
414 | #ifdef CONFIG_CACHE_TAUROS2 | |
fd57c65c | 415 | tauros2_init(0); |
81d2ef7c SH |
416 | #endif |
417 | dove_setup_cpu_mbus(); | |
418 | ||
419 | /* Setup root of clk tree */ | |
5b03df9a | 420 | dove_of_clk_init(); |
81d2ef7c SH |
421 | |
422 | /* Internal devices not ported to DT yet */ | |
423 | dove_rtc_init(); | |
81d2ef7c SH |
424 | |
425 | dove_ge00_init(&dove_dt_ge00_data); | |
426 | dove_ehci0_init(); | |
427 | dove_ehci1_init(); | |
428 | dove_pcie_init(1, 1); | |
81d2ef7c | 429 | |
5b03df9a | 430 | of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); |
81d2ef7c SH |
431 | } |
432 | ||
433 | static const char * const dove_dt_board_compat[] = { | |
434 | "marvell,dove", | |
435 | NULL | |
436 | }; | |
437 | ||
438 | DT_MACHINE_START(DOVE_DT, "Marvell Dove (Flattened Device Tree)") | |
439 | .map_io = dove_map_io, | |
440 | .init_early = dove_init_early, | |
441 | .init_irq = orion_dt_init_irq, | |
6bb27d73 | 442 | .init_time = dove_timer_init, |
81d2ef7c SH |
443 | .init_machine = dove_dt_init, |
444 | .restart = dove_restart, | |
445 | .dt_compat = dove_dt_board_compat, | |
446 | MACHINE_END | |
447 | #endif |