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6a08e1e6 TL |
1 | /* |
2 | * Legacy platform_data quirks | |
3 | * | |
4 | * Copyright (C) 2013 Texas Instruments | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | #include <linux/clk.h> | |
71900314 | 11 | #include <linux/davinci_emac.h> |
5f0a2c69 | 12 | #include <linux/gpio.h> |
6a08e1e6 TL |
13 | #include <linux/init.h> |
14 | #include <linux/kernel.h> | |
8651bd8c | 15 | #include <linux/of_platform.h> |
5f0a2c69 | 16 | #include <linux/wl12xx.h> |
6a08e1e6 | 17 | |
30a69ef7 | 18 | #include <linux/platform_data/pinctrl-single.h> |
910f1678 | 19 | #include <linux/platform_data/iommu-omap.h> |
30a69ef7 | 20 | |
71900314 | 21 | #include "am35xx.h" |
6a08e1e6 TL |
22 | #include "common.h" |
23 | #include "common-board-devices.h" | |
24 | #include "dss-common.h" | |
faf4bd47 | 25 | #include "control.h" |
910f1678 | 26 | #include "omap_device.h" |
deff82e6 SR |
27 | #include "omap-secure.h" |
28 | #include "soc.h" | |
6a08e1e6 TL |
29 | |
30 | struct pdata_init { | |
31 | const char *compatible; | |
32 | void (*fn)(void); | |
33 | }; | |
34 | ||
fa590c92 | 35 | struct of_dev_auxdata omap_auxdata_lookup[]; |
dad12d11 | 36 | static struct twl4030_gpio_platform_data twl_gpio_auxdata; |
fa590c92 | 37 | |
5f0a2c69 TL |
38 | #if IS_ENABLED(CONFIG_WL12XX) |
39 | ||
40 | static struct wl12xx_platform_data wl12xx __initdata; | |
41 | ||
42 | static void __init __used legacy_init_wl12xx(unsigned ref_clock, | |
43 | unsigned tcxo_clock, | |
44 | int gpio) | |
45 | { | |
46 | int res; | |
47 | ||
48 | wl12xx.board_ref_clock = ref_clock; | |
49 | wl12xx.board_tcxo_clock = tcxo_clock; | |
50 | wl12xx.irq = gpio_to_irq(gpio); | |
51 | ||
52 | res = wl12xx_set_platform_data(&wl12xx); | |
53 | if (res) { | |
54 | pr_err("error setting wl12xx data: %d\n", res); | |
55 | return; | |
56 | } | |
57 | } | |
58 | #else | |
59 | static inline void legacy_init_wl12xx(unsigned ref_clock, | |
60 | unsigned tcxo_clock, | |
61 | int gpio) | |
62 | { | |
63 | } | |
64 | #endif | |
65 | ||
fa590c92 TL |
66 | #ifdef CONFIG_MACH_NOKIA_N8X0 |
67 | static void __init omap2420_n8x0_legacy_init(void) | |
68 | { | |
69 | omap_auxdata_lookup[0].platform_data = n8x0_legacy_init(); | |
70 | } | |
71 | #else | |
72 | #define omap2420_n8x0_legacy_init NULL | |
73 | #endif | |
74 | ||
faf4bd47 AK |
75 | #ifdef CONFIG_ARCH_OMAP3 |
76 | static void __init hsmmc2_internal_input_clk(void) | |
77 | { | |
78 | u32 reg; | |
79 | ||
80 | reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1); | |
81 | reg |= OMAP2_MMCSDIO2ADPCLKISEL; | |
82 | omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1); | |
83 | } | |
15c9887e | 84 | |
910f1678 SA |
85 | static struct iommu_platform_data omap3_iommu_pdata = { |
86 | .reset_name = "mmu", | |
87 | .assert_reset = omap_device_assert_hardreset, | |
88 | .deassert_reset = omap_device_deassert_hardreset, | |
89 | }; | |
90 | ||
0f0cfc69 TL |
91 | static int omap3_sbc_t3730_twl_callback(struct device *dev, |
92 | unsigned gpio, | |
93 | unsigned ngpio) | |
94 | { | |
95 | int res; | |
96 | ||
97 | res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH, | |
d234e423 | 98 | "wlan pwr"); |
0f0cfc69 TL |
99 | if (res) |
100 | return res; | |
101 | ||
102 | gpio_export(gpio, 0); | |
103 | ||
104 | return 0; | |
105 | } | |
106 | ||
b62d91e5 DL |
107 | static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name) |
108 | { | |
109 | int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name); | |
110 | ||
111 | if (err) { | |
112 | pr_err("SBC-T3x: %s reset gpio request failed: %d\n", | |
113 | hub_name, err); | |
114 | return; | |
115 | } | |
116 | ||
117 | gpio_export(gpio, 0); | |
118 | ||
119 | udelay(10); | |
120 | gpio_set_value(gpio, 1); | |
121 | msleep(1); | |
122 | } | |
123 | ||
0f0cfc69 TL |
124 | static void __init omap3_sbc_t3730_twl_init(void) |
125 | { | |
126 | twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback; | |
127 | } | |
128 | ||
129 | static void __init omap3_sbc_t3730_legacy_init(void) | |
130 | { | |
b62d91e5 | 131 | omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub"); |
0f0cfc69 TL |
132 | legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 136); |
133 | omap_ads7846_init(1, 57, 0, NULL); | |
134 | } | |
135 | ||
40ecc02e DL |
136 | static void __init omap3_sbc_t3530_legacy_init(void) |
137 | { | |
b62d91e5 | 138 | omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub"); |
40ecc02e DL |
139 | omap_ads7846_init(1, 57, 0, NULL); |
140 | } | |
141 | ||
15c9887e JMC |
142 | static void __init omap3_igep0020_legacy_init(void) |
143 | { | |
15c9887e | 144 | } |
79b39f79 TL |
145 | |
146 | static void __init omap3_evm_legacy_init(void) | |
147 | { | |
148 | legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 149); | |
149 | } | |
150 | ||
151 | static void __init omap3_zoom_legacy_init(void) | |
152 | { | |
153 | legacy_init_wl12xx(WL12XX_REFCLOCK_26, 0, 162); | |
154 | } | |
71900314 TL |
155 | |
156 | static void am35xx_enable_emac_int(void) | |
157 | { | |
158 | u32 v; | |
159 | ||
160 | v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); | |
161 | v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR | | |
162 | AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR); | |
163 | omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR); | |
164 | omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */ | |
165 | } | |
166 | ||
167 | static void am35xx_disable_emac_int(void) | |
168 | { | |
169 | u32 v; | |
170 | ||
171 | v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); | |
172 | v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR); | |
173 | omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR); | |
174 | omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */ | |
175 | } | |
176 | ||
177 | static struct emac_platform_data am35xx_emac_pdata = { | |
178 | .interrupt_enable = am35xx_enable_emac_int, | |
179 | .interrupt_disable = am35xx_disable_emac_int, | |
180 | }; | |
181 | ||
fb45105a | 182 | static void __init am35xx_emac_reset(void) |
71900314 TL |
183 | { |
184 | u32 v; | |
185 | ||
186 | v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); | |
187 | v &= ~AM35XX_CPGMACSS_SW_RST; | |
188 | omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET); | |
189 | omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */ | |
190 | } | |
deff82e6 | 191 | |
fb45105a DL |
192 | static struct gpio cm_t3517_wlan_gpios[] __initdata = { |
193 | { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" }, | |
194 | { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" }, | |
195 | }; | |
196 | ||
197 | static void __init omap3_sbc_t3517_wifi_init(void) | |
198 | { | |
199 | int err = gpio_request_array(cm_t3517_wlan_gpios, | |
200 | ARRAY_SIZE(cm_t3517_wlan_gpios)); | |
201 | if (err) { | |
202 | pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err); | |
203 | return; | |
204 | } | |
205 | ||
206 | gpio_export(cm_t3517_wlan_gpios[0].gpio, 0); | |
207 | gpio_export(cm_t3517_wlan_gpios[1].gpio, 0); | |
208 | ||
209 | msleep(100); | |
210 | gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0); | |
211 | } | |
212 | ||
213 | static void __init omap3_sbc_t3517_legacy_init(void) | |
214 | { | |
b62d91e5 DL |
215 | omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub"); |
216 | omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub"); | |
fb45105a DL |
217 | am35xx_emac_reset(); |
218 | hsmmc2_internal_input_clk(); | |
219 | omap3_sbc_t3517_wifi_init(); | |
220 | legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 145); | |
221 | omap_ads7846_init(1, 57, 0, NULL); | |
222 | } | |
223 | ||
224 | static void __init am3517_evm_legacy_init(void) | |
225 | { | |
226 | am35xx_emac_reset(); | |
227 | } | |
f83ccb93 | 228 | |
14c0a5b4 SR |
229 | static struct platform_device omap3_rom_rng_device = { |
230 | .name = "omap3-rom-rng", | |
231 | .id = -1, | |
232 | .dev = { | |
233 | .platform_data = rx51_secure_rng_call, | |
234 | }, | |
235 | }; | |
236 | ||
deff82e6 SR |
237 | static void __init nokia_n900_legacy_init(void) |
238 | { | |
239 | hsmmc2_internal_input_clk(); | |
240 | ||
241 | if (omap_type() == OMAP2_DEVICE_TYPE_SEC) { | |
242 | if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) { | |
243 | pr_info("RX-51: Enabling ARM errata 430973 workaround\n"); | |
244 | /* set IBE to 1 */ | |
245 | rx51_secure_update_aux_cr(BIT(6), 0); | |
246 | } else { | |
247 | pr_warning("RX-51: Not enabling ARM errata 430973 workaround\n"); | |
248 | pr_warning("Thumb binaries may crash randomly without this workaround\n"); | |
249 | } | |
14c0a5b4 SR |
250 | |
251 | pr_info("RX-51: Registring OMAP3 HWRNG device\n"); | |
252 | platform_device_register(&omap3_rom_rng_device); | |
253 | ||
deff82e6 SR |
254 | } |
255 | } | |
faf4bd47 AK |
256 | #endif /* CONFIG_ARCH_OMAP3 */ |
257 | ||
3e7a3185 TL |
258 | #ifdef CONFIG_ARCH_OMAP4 |
259 | static void __init omap4_sdp_legacy_init(void) | |
260 | { | |
5f0a2c69 TL |
261 | legacy_init_wl12xx(WL12XX_REFCLOCK_26, |
262 | WL12XX_TCXOCLOCK_26, 53); | |
3e7a3185 TL |
263 | } |
264 | ||
265 | static void __init omap4_panda_legacy_init(void) | |
266 | { | |
5f0a2c69 | 267 | legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 53); |
3e7a3185 | 268 | } |
95eb894e JE |
269 | |
270 | static void __init var_som_om44_legacy_init(void) | |
271 | { | |
272 | legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 41); | |
273 | } | |
3e7a3185 TL |
274 | #endif |
275 | ||
67eb1e6e | 276 | #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) |
910f1678 SA |
277 | static struct iommu_platform_data omap4_iommu_pdata = { |
278 | .reset_name = "mmu_cache", | |
279 | .assert_reset = omap_device_assert_hardreset, | |
280 | .deassert_reset = omap_device_deassert_hardreset, | |
281 | }; | |
3e7a3185 TL |
282 | #endif |
283 | ||
90f4f01b IK |
284 | #ifdef CONFIG_SOC_AM33XX |
285 | static void __init am335x_evmsk_legacy_init(void) | |
286 | { | |
287 | legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 31); | |
288 | } | |
289 | #endif | |
290 | ||
3e7a3185 TL |
291 | #ifdef CONFIG_SOC_OMAP5 |
292 | static void __init omap5_uevm_legacy_init(void) | |
293 | { | |
3e7a3185 TL |
294 | } |
295 | #endif | |
296 | ||
30a69ef7 TL |
297 | static struct pcs_pdata pcs_pdata; |
298 | ||
299 | void omap_pcs_legacy_init(int irq, void (*rearm)(void)) | |
300 | { | |
301 | pcs_pdata.irq = irq; | |
302 | pcs_pdata.rearm = rearm; | |
303 | } | |
304 | ||
dad12d11 TL |
305 | /* |
306 | * GPIOs for TWL are initialized by the I2C bus and need custom | |
307 | * handing until DSS has device tree bindings. | |
308 | */ | |
309 | void omap_auxdata_legacy_init(struct device *dev) | |
310 | { | |
311 | if (dev->platform_data) | |
312 | return; | |
313 | ||
314 | if (strcmp("twl4030-gpio", dev_name(dev))) | |
315 | return; | |
316 | ||
317 | dev->platform_data = &twl_gpio_auxdata; | |
318 | } | |
319 | ||
036582f7 TL |
320 | /* |
321 | * Few boards still need auxdata populated before we populate | |
322 | * the dev entries in of_platform_populate(). | |
323 | */ | |
324 | static struct pdata_init auxdata_quirks[] __initdata = { | |
fa590c92 TL |
325 | #ifdef CONFIG_SOC_OMAP2420 |
326 | { "nokia,n800", omap2420_n8x0_legacy_init, }, | |
327 | { "nokia,n810", omap2420_n8x0_legacy_init, }, | |
328 | { "nokia,n810-wimax", omap2420_n8x0_legacy_init, }, | |
0f0cfc69 TL |
329 | #endif |
330 | #ifdef CONFIG_ARCH_OMAP3 | |
331 | { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, }, | |
fa590c92 | 332 | #endif |
036582f7 TL |
333 | { /* sentinel */ }, |
334 | }; | |
335 | ||
8651bd8c | 336 | struct of_dev_auxdata omap_auxdata_lookup[] __initdata = { |
036582f7 TL |
337 | #ifdef CONFIG_MACH_NOKIA_N8X0 |
338 | OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL), | |
339 | #endif | |
30a69ef7 TL |
340 | #ifdef CONFIG_ARCH_OMAP3 |
341 | OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata), | |
4b416368 | 342 | OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata), |
30a69ef7 | 343 | OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata), |
910f1678 SA |
344 | OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu", |
345 | &omap3_iommu_pdata), | |
71900314 TL |
346 | /* Only on am3517 */ |
347 | OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL), | |
348 | OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0", | |
349 | &am35xx_emac_pdata), | |
30a69ef7 TL |
350 | #endif |
351 | #ifdef CONFIG_ARCH_OMAP4 | |
352 | OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata), | |
353 | OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata), | |
67eb1e6e SA |
354 | #endif |
355 | #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) | |
910f1678 SA |
356 | OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu", |
357 | &omap4_iommu_pdata), | |
358 | OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu", | |
359 | &omap4_iommu_pdata), | |
30a69ef7 | 360 | #endif |
8651bd8c TL |
361 | { /* sentinel */ }, |
362 | }; | |
363 | ||
036582f7 TL |
364 | /* |
365 | * Few boards still need to initialize some legacy devices with | |
366 | * platform data until the drivers support device tree. | |
367 | */ | |
6a08e1e6 | 368 | static struct pdata_init pdata_quirks[] __initdata = { |
faf4bd47 | 369 | #ifdef CONFIG_ARCH_OMAP3 |
fb45105a | 370 | { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, }, |
40ecc02e | 371 | { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, }, |
0f0cfc69 | 372 | { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, }, |
deff82e6 | 373 | { "nokia,omap3-n900", nokia_n900_legacy_init, }, |
faf4bd47 AK |
374 | { "nokia,omap3-n9", hsmmc2_internal_input_clk, }, |
375 | { "nokia,omap3-n950", hsmmc2_internal_input_clk, }, | |
15c9887e | 376 | { "isee,omap3-igep0020", omap3_igep0020_legacy_init, }, |
79b39f79 TL |
377 | { "ti,omap3-evm-37xx", omap3_evm_legacy_init, }, |
378 | { "ti,omap3-zoom3", omap3_zoom_legacy_init, }, | |
71900314 | 379 | { "ti,am3517-evm", am3517_evm_legacy_init, }, |
faf4bd47 | 380 | #endif |
3e7a3185 TL |
381 | #ifdef CONFIG_ARCH_OMAP4 |
382 | { "ti,omap4-sdp", omap4_sdp_legacy_init, }, | |
383 | { "ti,omap4-panda", omap4_panda_legacy_init, }, | |
95eb894e JE |
384 | { "variscite,var-dvk-om44", var_som_om44_legacy_init, }, |
385 | { "variscite,var-stk-om44", var_som_om44_legacy_init, }, | |
3e7a3185 | 386 | #endif |
90f4f01b IK |
387 | #ifdef CONFIG_SOC_AM33XX |
388 | { "ti,am335x-evmsk", am335x_evmsk_legacy_init, }, | |
389 | #endif | |
3e7a3185 TL |
390 | #ifdef CONFIG_SOC_OMAP5 |
391 | { "ti,omap5-uevm", omap5_uevm_legacy_init, }, | |
392 | #endif | |
6a08e1e6 TL |
393 | { /* sentinel */ }, |
394 | }; | |
395 | ||
036582f7 | 396 | static void pdata_quirks_check(struct pdata_init *quirks) |
6a08e1e6 | 397 | { |
6a08e1e6 TL |
398 | while (quirks->compatible) { |
399 | if (of_machine_is_compatible(quirks->compatible)) { | |
400 | if (quirks->fn) | |
401 | quirks->fn(); | |
402 | break; | |
403 | } | |
404 | quirks++; | |
405 | } | |
406 | } | |
036582f7 TL |
407 | |
408 | void __init pdata_quirks_init(struct of_device_id *omap_dt_match_table) | |
409 | { | |
410 | omap_sdrc_init(NULL, NULL); | |
411 | pdata_quirks_check(auxdata_quirks); | |
412 | of_platform_populate(NULL, omap_dt_match_table, | |
413 | omap_auxdata_lookup, NULL); | |
414 | pdata_quirks_check(pdata_quirks); | |
415 | } |