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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> |
d565b5f4 | 16 | #include <linux/ti_wilink_st.h> |
6a08e1e6 | 17 | |
30a69ef7 | 18 | #include <linux/platform_data/pinctrl-single.h> |
910f1678 | 19 | #include <linux/platform_data/iommu-omap.h> |
30a69ef7 | 20 | |
6a08e1e6 TL |
21 | #include "common.h" |
22 | #include "common-board-devices.h" | |
23 | #include "dss-common.h" | |
faf4bd47 | 24 | #include "control.h" |
910f1678 | 25 | #include "omap_device.h" |
deff82e6 SR |
26 | #include "omap-secure.h" |
27 | #include "soc.h" | |
6a08e1e6 TL |
28 | |
29 | struct pdata_init { | |
30 | const char *compatible; | |
31 | void (*fn)(void); | |
32 | }; | |
33 | ||
fa590c92 | 34 | struct of_dev_auxdata omap_auxdata_lookup[]; |
dad12d11 | 35 | static struct twl4030_gpio_platform_data twl_gpio_auxdata; |
fa590c92 | 36 | |
fa590c92 TL |
37 | #ifdef CONFIG_MACH_NOKIA_N8X0 |
38 | static void __init omap2420_n8x0_legacy_init(void) | |
39 | { | |
40 | omap_auxdata_lookup[0].platform_data = n8x0_legacy_init(); | |
41 | } | |
42 | #else | |
43 | #define omap2420_n8x0_legacy_init NULL | |
44 | #endif | |
45 | ||
faf4bd47 | 46 | #ifdef CONFIG_ARCH_OMAP3 |
b96b332f TL |
47 | /* |
48 | * Configures GPIOs 126, 127 and 129 to 1.8V mode instead of 3.0V | |
49 | * mode for MMC1 in case bootloader did not configure things. | |
50 | * Note that if the pins are used for MMC1, pbias-regulator | |
51 | * manages the IO voltage. | |
52 | */ | |
53 | static void __init omap3_gpio126_127_129(void) | |
54 | { | |
55 | u32 reg; | |
56 | ||
57 | reg = omap_ctrl_readl(OMAP343X_CONTROL_PBIAS_LITE); | |
58 | reg &= ~OMAP343X_PBIASLITEVMODE1; | |
59 | reg |= OMAP343X_PBIASLITEPWRDNZ1; | |
60 | omap_ctrl_writel(reg, OMAP343X_CONTROL_PBIAS_LITE); | |
61 | if (cpu_is_omap3630()) { | |
62 | reg = omap_ctrl_readl(OMAP34XX_CONTROL_WKUP_CTRL); | |
63 | reg |= OMAP36XX_GPIO_IO_PWRDNZ; | |
64 | omap_ctrl_writel(reg, OMAP34XX_CONTROL_WKUP_CTRL); | |
65 | } | |
66 | } | |
67 | ||
faf4bd47 AK |
68 | static void __init hsmmc2_internal_input_clk(void) |
69 | { | |
70 | u32 reg; | |
71 | ||
72 | reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1); | |
73 | reg |= OMAP2_MMCSDIO2ADPCLKISEL; | |
74 | omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1); | |
75 | } | |
15c9887e | 76 | |
910f1678 SA |
77 | static struct iommu_platform_data omap3_iommu_pdata = { |
78 | .reset_name = "mmu", | |
79 | .assert_reset = omap_device_assert_hardreset, | |
80 | .deassert_reset = omap_device_deassert_hardreset, | |
81 | }; | |
82 | ||
0f0cfc69 TL |
83 | static int omap3_sbc_t3730_twl_callback(struct device *dev, |
84 | unsigned gpio, | |
85 | unsigned ngpio) | |
86 | { | |
87 | int res; | |
88 | ||
89 | res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH, | |
d234e423 | 90 | "wlan pwr"); |
0f0cfc69 TL |
91 | if (res) |
92 | return res; | |
93 | ||
94 | gpio_export(gpio, 0); | |
95 | ||
96 | return 0; | |
97 | } | |
98 | ||
b62d91e5 DL |
99 | static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name) |
100 | { | |
101 | int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name); | |
102 | ||
103 | if (err) { | |
104 | pr_err("SBC-T3x: %s reset gpio request failed: %d\n", | |
105 | hub_name, err); | |
106 | return; | |
107 | } | |
108 | ||
109 | gpio_export(gpio, 0); | |
110 | ||
111 | udelay(10); | |
112 | gpio_set_value(gpio, 1); | |
113 | msleep(1); | |
114 | } | |
115 | ||
0f0cfc69 TL |
116 | static void __init omap3_sbc_t3730_twl_init(void) |
117 | { | |
118 | twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback; | |
119 | } | |
120 | ||
121 | static void __init omap3_sbc_t3730_legacy_init(void) | |
122 | { | |
b62d91e5 | 123 | omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub"); |
0f0cfc69 TL |
124 | } |
125 | ||
40ecc02e DL |
126 | static void __init omap3_sbc_t3530_legacy_init(void) |
127 | { | |
b62d91e5 | 128 | omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub"); |
40ecc02e DL |
129 | } |
130 | ||
d565b5f4 EBS |
131 | struct ti_st_plat_data wilink_pdata = { |
132 | .nshutdown_gpio = 137, | |
133 | .dev_name = "/dev/ttyO1", | |
134 | .flow_cntrl = 1, | |
135 | .baud_rate = 300000, | |
136 | }; | |
137 | ||
138 | static struct platform_device wl18xx_device = { | |
139 | .name = "kim", | |
140 | .id = -1, | |
141 | .dev = { | |
142 | .platform_data = &wilink_pdata, | |
143 | } | |
144 | }; | |
145 | ||
146 | static struct platform_device btwilink_device = { | |
147 | .name = "btwilink", | |
148 | .id = -1, | |
149 | }; | |
150 | ||
151 | static void __init omap3_igep0020_rev_f_legacy_init(void) | |
152 | { | |
d565b5f4 EBS |
153 | platform_device_register(&wl18xx_device); |
154 | platform_device_register(&btwilink_device); | |
155 | } | |
156 | ||
157 | static void __init omap3_igep0030_rev_g_legacy_init(void) | |
15c9887e | 158 | { |
d565b5f4 EBS |
159 | platform_device_register(&wl18xx_device); |
160 | platform_device_register(&btwilink_device); | |
15c9887e | 161 | } |
79b39f79 TL |
162 | |
163 | static void __init omap3_evm_legacy_init(void) | |
164 | { | |
5b7610f2 | 165 | hsmmc2_internal_input_clk(); |
79b39f79 | 166 | } |
71900314 TL |
167 | |
168 | static void am35xx_enable_emac_int(void) | |
169 | { | |
170 | u32 v; | |
171 | ||
172 | v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); | |
173 | v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR | | |
174 | AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR); | |
175 | omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR); | |
176 | omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */ | |
177 | } | |
178 | ||
179 | static void am35xx_disable_emac_int(void) | |
180 | { | |
181 | u32 v; | |
182 | ||
183 | v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); | |
184 | v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR); | |
185 | omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR); | |
186 | omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); /* OCP barrier */ | |
187 | } | |
188 | ||
189 | static struct emac_platform_data am35xx_emac_pdata = { | |
190 | .interrupt_enable = am35xx_enable_emac_int, | |
191 | .interrupt_disable = am35xx_disable_emac_int, | |
192 | }; | |
193 | ||
fb45105a | 194 | static void __init am35xx_emac_reset(void) |
71900314 TL |
195 | { |
196 | u32 v; | |
197 | ||
198 | v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); | |
199 | v &= ~AM35XX_CPGMACSS_SW_RST; | |
200 | omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET); | |
201 | omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */ | |
202 | } | |
deff82e6 | 203 | |
fb45105a DL |
204 | static struct gpio cm_t3517_wlan_gpios[] __initdata = { |
205 | { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" }, | |
206 | { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" }, | |
207 | }; | |
208 | ||
209 | static void __init omap3_sbc_t3517_wifi_init(void) | |
210 | { | |
211 | int err = gpio_request_array(cm_t3517_wlan_gpios, | |
212 | ARRAY_SIZE(cm_t3517_wlan_gpios)); | |
213 | if (err) { | |
214 | pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err); | |
215 | return; | |
216 | } | |
217 | ||
218 | gpio_export(cm_t3517_wlan_gpios[0].gpio, 0); | |
219 | gpio_export(cm_t3517_wlan_gpios[1].gpio, 0); | |
220 | ||
221 | msleep(100); | |
222 | gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0); | |
223 | } | |
224 | ||
225 | static void __init omap3_sbc_t3517_legacy_init(void) | |
226 | { | |
b62d91e5 DL |
227 | omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub"); |
228 | omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub"); | |
fb45105a DL |
229 | am35xx_emac_reset(); |
230 | hsmmc2_internal_input_clk(); | |
231 | omap3_sbc_t3517_wifi_init(); | |
fb45105a DL |
232 | } |
233 | ||
234 | static void __init am3517_evm_legacy_init(void) | |
235 | { | |
236 | am35xx_emac_reset(); | |
237 | } | |
f83ccb93 | 238 | |
14c0a5b4 SR |
239 | static struct platform_device omap3_rom_rng_device = { |
240 | .name = "omap3-rom-rng", | |
241 | .id = -1, | |
242 | .dev = { | |
243 | .platform_data = rx51_secure_rng_call, | |
244 | }, | |
245 | }; | |
246 | ||
deff82e6 SR |
247 | static void __init nokia_n900_legacy_init(void) |
248 | { | |
249 | hsmmc2_internal_input_clk(); | |
250 | ||
251 | if (omap_type() == OMAP2_DEVICE_TYPE_SEC) { | |
252 | if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) { | |
253 | pr_info("RX-51: Enabling ARM errata 430973 workaround\n"); | |
254 | /* set IBE to 1 */ | |
255 | rx51_secure_update_aux_cr(BIT(6), 0); | |
256 | } else { | |
3d0cb73e JP |
257 | pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n"); |
258 | pr_warn("Thumb binaries may crash randomly without this workaround\n"); | |
deff82e6 | 259 | } |
14c0a5b4 SR |
260 | |
261 | pr_info("RX-51: Registring OMAP3 HWRNG device\n"); | |
262 | platform_device_register(&omap3_rom_rng_device); | |
263 | ||
deff82e6 SR |
264 | } |
265 | } | |
63dd5bc0 SR |
266 | |
267 | static void __init omap3_tao3530_legacy_init(void) | |
268 | { | |
269 | hsmmc2_internal_input_clk(); | |
deff82e6 | 270 | } |
faf4bd47 AK |
271 | #endif /* CONFIG_ARCH_OMAP3 */ |
272 | ||
67eb1e6e | 273 | #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) |
910f1678 SA |
274 | static struct iommu_platform_data omap4_iommu_pdata = { |
275 | .reset_name = "mmu_cache", | |
276 | .assert_reset = omap_device_assert_hardreset, | |
277 | .deassert_reset = omap_device_deassert_hardreset, | |
278 | }; | |
3e7a3185 TL |
279 | #endif |
280 | ||
281 | #ifdef CONFIG_SOC_OMAP5 | |
282 | static void __init omap5_uevm_legacy_init(void) | |
283 | { | |
3e7a3185 TL |
284 | } |
285 | #endif | |
286 | ||
30a69ef7 TL |
287 | static struct pcs_pdata pcs_pdata; |
288 | ||
289 | void omap_pcs_legacy_init(int irq, void (*rearm)(void)) | |
290 | { | |
291 | pcs_pdata.irq = irq; | |
292 | pcs_pdata.rearm = rearm; | |
293 | } | |
294 | ||
dad12d11 TL |
295 | /* |
296 | * GPIOs for TWL are initialized by the I2C bus and need custom | |
297 | * handing until DSS has device tree bindings. | |
298 | */ | |
299 | void omap_auxdata_legacy_init(struct device *dev) | |
300 | { | |
301 | if (dev->platform_data) | |
302 | return; | |
303 | ||
304 | if (strcmp("twl4030-gpio", dev_name(dev))) | |
305 | return; | |
306 | ||
307 | dev->platform_data = &twl_gpio_auxdata; | |
308 | } | |
309 | ||
036582f7 TL |
310 | /* |
311 | * Few boards still need auxdata populated before we populate | |
312 | * the dev entries in of_platform_populate(). | |
313 | */ | |
314 | static struct pdata_init auxdata_quirks[] __initdata = { | |
fa590c92 TL |
315 | #ifdef CONFIG_SOC_OMAP2420 |
316 | { "nokia,n800", omap2420_n8x0_legacy_init, }, | |
317 | { "nokia,n810", omap2420_n8x0_legacy_init, }, | |
318 | { "nokia,n810-wimax", omap2420_n8x0_legacy_init, }, | |
0f0cfc69 TL |
319 | #endif |
320 | #ifdef CONFIG_ARCH_OMAP3 | |
321 | { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, }, | |
fa590c92 | 322 | #endif |
036582f7 TL |
323 | { /* sentinel */ }, |
324 | }; | |
325 | ||
8651bd8c | 326 | struct of_dev_auxdata omap_auxdata_lookup[] __initdata = { |
036582f7 TL |
327 | #ifdef CONFIG_MACH_NOKIA_N8X0 |
328 | OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL), | |
e92ce89c FB |
329 | OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data), |
330 | OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data), | |
036582f7 | 331 | #endif |
30a69ef7 TL |
332 | #ifdef CONFIG_ARCH_OMAP3 |
333 | OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata), | |
4b416368 | 334 | OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata), |
30a69ef7 | 335 | OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata), |
910f1678 SA |
336 | OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu", |
337 | &omap3_iommu_pdata), | |
71900314 TL |
338 | /* Only on am3517 */ |
339 | OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL), | |
340 | OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0", | |
341 | &am35xx_emac_pdata), | |
30a69ef7 TL |
342 | #endif |
343 | #ifdef CONFIG_ARCH_OMAP4 | |
344 | OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata), | |
345 | OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata), | |
67eb1e6e | 346 | #endif |
874fef7d NM |
347 | #ifdef CONFIG_SOC_OMAP5 |
348 | OF_DEV_AUXDATA("ti,omap5-padconf", 0x4a002840, "4a002840.pinmux", &pcs_pdata), | |
349 | OF_DEV_AUXDATA("ti,omap5-padconf", 0x4ae0c840, "4ae0c840.pinmux", &pcs_pdata), | |
350 | #endif | |
b0a3d0da NM |
351 | #ifdef CONFIG_SOC_DRA7XX |
352 | OF_DEV_AUXDATA("ti,dra7-padconf", 0x4a003400, "4a003400.pinmux", &pcs_pdata), | |
353 | #endif | |
dbbe9770 K |
354 | #ifdef CONFIG_SOC_AM43XX |
355 | OF_DEV_AUXDATA("ti,am437-padconf", 0x44e10800, "44e10800.pinmux", &pcs_pdata), | |
356 | #endif | |
67eb1e6e | 357 | #if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5) |
910f1678 SA |
358 | OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu", |
359 | &omap4_iommu_pdata), | |
360 | OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu", | |
361 | &omap4_iommu_pdata), | |
30a69ef7 | 362 | #endif |
8651bd8c TL |
363 | { /* sentinel */ }, |
364 | }; | |
365 | ||
036582f7 TL |
366 | /* |
367 | * Few boards still need to initialize some legacy devices with | |
368 | * platform data until the drivers support device tree. | |
369 | */ | |
6a08e1e6 | 370 | static struct pdata_init pdata_quirks[] __initdata = { |
faf4bd47 | 371 | #ifdef CONFIG_ARCH_OMAP3 |
fb45105a | 372 | { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, }, |
40ecc02e | 373 | { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, }, |
0f0cfc69 | 374 | { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, }, |
deff82e6 | 375 | { "nokia,omap3-n900", nokia_n900_legacy_init, }, |
faf4bd47 AK |
376 | { "nokia,omap3-n9", hsmmc2_internal_input_clk, }, |
377 | { "nokia,omap3-n950", hsmmc2_internal_input_clk, }, | |
d565b5f4 EBS |
378 | { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, }, |
379 | { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, }, | |
b96b332f | 380 | { "logicpd,dm3730-torpedo-devkit", omap3_gpio126_127_129, }, |
79b39f79 | 381 | { "ti,omap3-evm-37xx", omap3_evm_legacy_init, }, |
71900314 | 382 | { "ti,am3517-evm", am3517_evm_legacy_init, }, |
63dd5bc0 | 383 | { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, }, |
faf4bd47 | 384 | #endif |
3e7a3185 TL |
385 | #ifdef CONFIG_SOC_OMAP5 |
386 | { "ti,omap5-uevm", omap5_uevm_legacy_init, }, | |
387 | #endif | |
6a08e1e6 TL |
388 | { /* sentinel */ }, |
389 | }; | |
390 | ||
036582f7 | 391 | static void pdata_quirks_check(struct pdata_init *quirks) |
6a08e1e6 | 392 | { |
6a08e1e6 TL |
393 | while (quirks->compatible) { |
394 | if (of_machine_is_compatible(quirks->compatible)) { | |
395 | if (quirks->fn) | |
396 | quirks->fn(); | |
397 | break; | |
398 | } | |
399 | quirks++; | |
400 | } | |
401 | } | |
036582f7 | 402 | |
31957609 | 403 | void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table) |
036582f7 TL |
404 | { |
405 | omap_sdrc_init(NULL, NULL); | |
406 | pdata_quirks_check(auxdata_quirks); | |
407 | of_platform_populate(NULL, omap_dt_match_table, | |
408 | omap_auxdata_lookup, NULL); | |
409 | pdata_quirks_check(pdata_quirks); | |
410 | } |