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10#include <linux/clk.h>
11#include <linux/davinci_emac.h>
12#include <linux/gpio.h>
13#include <linux/init.h>
14#include <linux/kernel.h>
15#include <linux/of_platform.h>
16#include <linux/ti_wilink_st.h>
17#include <linux/wl12xx.h>
18
19#include <linux/platform_data/pinctrl-single.h>
20#include <linux/platform_data/iommu-omap.h>
21
22#include "am35xx.h"
23#include "common.h"
24#include "common-board-devices.h"
25#include "dss-common.h"
26#include "control.h"
27#include "omap_device.h"
28#include "omap-secure.h"
29#include "soc.h"
30
31struct pdata_init {
32 const char *compatible;
33 void (*fn)(void);
34};
35
36struct of_dev_auxdata omap_auxdata_lookup[];
37static struct twl4030_gpio_platform_data twl_gpio_auxdata;
38
39#if IS_ENABLED(CONFIG_WL12XX)
40
41static struct wl12xx_platform_data wl12xx __initdata;
42
43static void __init __used legacy_init_wl12xx(unsigned ref_clock,
44 unsigned tcxo_clock,
45 int gpio)
46{
47 int res;
48
49 wl12xx.board_ref_clock = ref_clock;
50 wl12xx.board_tcxo_clock = tcxo_clock;
51 wl12xx.irq = gpio_to_irq(gpio);
52
53 res = wl12xx_set_platform_data(&wl12xx);
54 if (res) {
55 pr_err("error setting wl12xx data: %d\n", res);
56 return;
57 }
58}
59#else
60static inline void legacy_init_wl12xx(unsigned ref_clock,
61 unsigned tcxo_clock,
62 int gpio)
63{
64}
65#endif
66
67#ifdef CONFIG_MACH_NOKIA_N8X0
68static void __init omap2420_n8x0_legacy_init(void)
69{
70 omap_auxdata_lookup[0].platform_data = n8x0_legacy_init();
71}
72#else
73#define omap2420_n8x0_legacy_init NULL
74#endif
75
76#ifdef CONFIG_ARCH_OMAP3
77static void __init hsmmc2_internal_input_clk(void)
78{
79 u32 reg;
80
81 reg = omap_ctrl_readl(OMAP343X_CONTROL_DEVCONF1);
82 reg |= OMAP2_MMCSDIO2ADPCLKISEL;
83 omap_ctrl_writel(reg, OMAP343X_CONTROL_DEVCONF1);
84}
85
86static struct iommu_platform_data omap3_iommu_pdata = {
87 .reset_name = "mmu",
88 .assert_reset = omap_device_assert_hardreset,
89 .deassert_reset = omap_device_deassert_hardreset,
90};
91
92static int omap3_sbc_t3730_twl_callback(struct device *dev,
93 unsigned gpio,
94 unsigned ngpio)
95{
96 int res;
97
98 res = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH,
99 "wlan pwr");
100 if (res)
101 return res;
102
103 gpio_export(gpio, 0);
104
105 return 0;
106}
107
108static void __init omap3_sbc_t3x_usb_hub_init(int gpio, char *hub_name)
109{
110 int err = gpio_request_one(gpio, GPIOF_OUT_INIT_LOW, hub_name);
111
112 if (err) {
113 pr_err("SBC-T3x: %s reset gpio request failed: %d\n",
114 hub_name, err);
115 return;
116 }
117
118 gpio_export(gpio, 0);
119
120 udelay(10);
121 gpio_set_value(gpio, 1);
122 msleep(1);
123}
124
125static void __init omap3_sbc_t3730_twl_init(void)
126{
127 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
128}
129
130static void __init omap3_sbc_t3730_legacy_init(void)
131{
132 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
133 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 136);
134}
135
136static void __init omap3_sbc_t3530_legacy_init(void)
137{
138 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
139}
140
141struct ti_st_plat_data wilink_pdata = {
142 .nshutdown_gpio = 137,
143 .dev_name = "/dev/ttyO1",
144 .flow_cntrl = 1,
145 .baud_rate = 300000,
146};
147
148static struct platform_device wl18xx_device = {
149 .name = "kim",
150 .id = -1,
151 .dev = {
152 .platform_data = &wilink_pdata,
153 }
154};
155
156static struct platform_device btwilink_device = {
157 .name = "btwilink",
158 .id = -1,
159};
160
161static void __init omap3_igep0020_rev_f_legacy_init(void)
162{
163 legacy_init_wl12xx(0, 0, 177);
164 platform_device_register(&wl18xx_device);
165 platform_device_register(&btwilink_device);
166}
167
168static void __init omap3_igep0030_rev_g_legacy_init(void)
169{
170 legacy_init_wl12xx(0, 0, 136);
171 platform_device_register(&wl18xx_device);
172 platform_device_register(&btwilink_device);
173}
174
175static void __init omap3_evm_legacy_init(void)
176{
177 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 149);
178}
179
180static void __init omap3_zoom_legacy_init(void)
181{
182 legacy_init_wl12xx(WL12XX_REFCLOCK_26, 0, 162);
183}
184
185static void am35xx_enable_emac_int(void)
186{
187 u32 v;
188
189 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
190 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR |
191 AM35XX_CPGMAC_C0_MISC_PULSE_CLR | AM35XX_CPGMAC_C0_RX_THRESH_CLR);
192 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
193 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
194}
195
196static void am35xx_disable_emac_int(void)
197{
198 u32 v;
199
200 v = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
201 v |= (AM35XX_CPGMAC_C0_RX_PULSE_CLR | AM35XX_CPGMAC_C0_TX_PULSE_CLR);
202 omap_ctrl_writel(v, AM35XX_CONTROL_LVL_INTR_CLEAR);
203 omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR);
204}
205
206static struct emac_platform_data am35xx_emac_pdata = {
207 .interrupt_enable = am35xx_enable_emac_int,
208 .interrupt_disable = am35xx_disable_emac_int,
209};
210
211static void __init am35xx_emac_reset(void)
212{
213 u32 v;
214
215 v = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
216 v &= ~AM35XX_CPGMACSS_SW_RST;
217 omap_ctrl_writel(v, AM35XX_CONTROL_IP_SW_RESET);
218 omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET);
219}
220
221static struct gpio cm_t3517_wlan_gpios[] __initdata = {
222 { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" },
223 { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" },
224};
225
226static void __init omap3_sbc_t3517_wifi_init(void)
227{
228 int err = gpio_request_array(cm_t3517_wlan_gpios,
229 ARRAY_SIZE(cm_t3517_wlan_gpios));
230 if (err) {
231 pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err);
232 return;
233 }
234
235 gpio_export(cm_t3517_wlan_gpios[0].gpio, 0);
236 gpio_export(cm_t3517_wlan_gpios[1].gpio, 0);
237
238 msleep(100);
239 gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0);
240}
241
242static void __init omap3_sbc_t3517_legacy_init(void)
243{
244 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
245 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
246 am35xx_emac_reset();
247 hsmmc2_internal_input_clk();
248 omap3_sbc_t3517_wifi_init();
249 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 145);
250}
251
252static void __init am3517_evm_legacy_init(void)
253{
254 am35xx_emac_reset();
255}
256
257static struct platform_device omap3_rom_rng_device = {
258 .name = "omap3-rom-rng",
259 .id = -1,
260 .dev = {
261 .platform_data = rx51_secure_rng_call,
262 },
263};
264
265static void __init nokia_n900_legacy_init(void)
266{
267 hsmmc2_internal_input_clk();
268
269 if (omap_type() == OMAP2_DEVICE_TYPE_SEC) {
270 if (IS_ENABLED(CONFIG_ARM_ERRATA_430973)) {
271 pr_info("RX-51: Enabling ARM errata 430973 workaround\n");
272
273 rx51_secure_update_aux_cr(BIT(6), 0);
274 } else {
275 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
276 pr_warn("Thumb binaries may crash randomly without this workaround\n");
277 }
278
279 pr_info("RX-51: Registring OMAP3 HWRNG device\n");
280 platform_device_register(&omap3_rom_rng_device);
281
282 }
283}
284
285static void __init omap3_tao3530_legacy_init(void)
286{
287 hsmmc2_internal_input_clk();
288}
289#endif
290
291#ifdef CONFIG_ARCH_OMAP4
292static void __init omap4_sdp_legacy_init(void)
293{
294 legacy_init_wl12xx(WL12XX_REFCLOCK_26,
295 WL12XX_TCXOCLOCK_26, 53);
296}
297
298static void __init omap4_panda_legacy_init(void)
299{
300 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 53);
301}
302
303static void __init var_som_om44_legacy_init(void)
304{
305 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 41);
306}
307#endif
308
309#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
310static struct iommu_platform_data omap4_iommu_pdata = {
311 .reset_name = "mmu_cache",
312 .assert_reset = omap_device_assert_hardreset,
313 .deassert_reset = omap_device_deassert_hardreset,
314};
315#endif
316
317#ifdef CONFIG_SOC_AM33XX
318static void __init am335x_evmsk_legacy_init(void)
319{
320 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 31);
321}
322#endif
323
324#ifdef CONFIG_SOC_OMAP5
325static void __init omap5_uevm_legacy_init(void)
326{
327}
328#endif
329
330static struct pcs_pdata pcs_pdata;
331
332void omap_pcs_legacy_init(int irq, void (*rearm)(void))
333{
334 pcs_pdata.irq = irq;
335 pcs_pdata.rearm = rearm;
336}
337
338
339
340
341
342void omap_auxdata_legacy_init(struct device *dev)
343{
344 if (dev->platform_data)
345 return;
346
347 if (strcmp("twl4030-gpio", dev_name(dev)))
348 return;
349
350 dev->platform_data = &twl_gpio_auxdata;
351}
352
353
354
355
356
357static struct pdata_init auxdata_quirks[] __initdata = {
358#ifdef CONFIG_SOC_OMAP2420
359 { "nokia,n800", omap2420_n8x0_legacy_init, },
360 { "nokia,n810", omap2420_n8x0_legacy_init, },
361 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
362#endif
363#ifdef CONFIG_ARCH_OMAP3
364 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
365#endif
366 { },
367};
368
369struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
370#ifdef CONFIG_MACH_NOKIA_N8X0
371 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
372 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
373 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
374#endif
375#ifdef CONFIG_ARCH_OMAP3
376 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
377 OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata),
378 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
379 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
380 &omap3_iommu_pdata),
381
382 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
383 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
384 &am35xx_emac_pdata),
385#endif
386#ifdef CONFIG_ARCH_OMAP4
387 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
388 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata),
389#endif
390#ifdef CONFIG_SOC_OMAP5
391 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4a002840, "4a002840.pinmux", &pcs_pdata),
392 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4ae0c840, "4ae0c840.pinmux", &pcs_pdata),
393#endif
394#ifdef CONFIG_SOC_DRA7XX
395 OF_DEV_AUXDATA("ti,dra7-padconf", 0x4a003400, "4a003400.pinmux", &pcs_pdata),
396#endif
397#ifdef CONFIG_SOC_AM43XX
398 OF_DEV_AUXDATA("ti,am437-padconf", 0x44e10800, "44e10800.pinmux", &pcs_pdata),
399#endif
400#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
401 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
402 &omap4_iommu_pdata),
403 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
404 &omap4_iommu_pdata),
405#endif
406 { },
407};
408
409
410
411
412
413static struct pdata_init pdata_quirks[] __initdata = {
414#ifdef CONFIG_ARCH_OMAP3
415 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
416 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
417 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
418 { "nokia,omap3-n900", nokia_n900_legacy_init, },
419 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
420 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
421 { "isee,omap3-igep0020-rev-f", omap3_igep0020_rev_f_legacy_init, },
422 { "isee,omap3-igep0030-rev-g", omap3_igep0030_rev_g_legacy_init, },
423 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
424 { "ti,omap3-zoom3", omap3_zoom_legacy_init, },
425 { "ti,am3517-evm", am3517_evm_legacy_init, },
426 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
427#endif
428#ifdef CONFIG_ARCH_OMAP4
429 { "ti,omap4-sdp", omap4_sdp_legacy_init, },
430 { "ti,omap4-panda", omap4_panda_legacy_init, },
431 { "variscite,var-dvk-om44", var_som_om44_legacy_init, },
432 { "variscite,var-stk-om44", var_som_om44_legacy_init, },
433#endif
434#ifdef CONFIG_SOC_AM33XX
435 { "ti,am335x-evmsk", am335x_evmsk_legacy_init, },
436#endif
437#ifdef CONFIG_SOC_OMAP5
438 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
439#endif
440 { },
441};
442
443static void pdata_quirks_check(struct pdata_init *quirks)
444{
445 while (quirks->compatible) {
446 if (of_machine_is_compatible(quirks->compatible)) {
447 if (quirks->fn)
448 quirks->fn();
449 break;
450 }
451 quirks++;
452 }
453}
454
455void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
456{
457 omap_sdrc_init(NULL, NULL);
458 pdata_quirks_check(auxdata_quirks);
459 of_platform_populate(NULL, omap_dt_match_table,
460 omap_auxdata_lookup, NULL);
461 pdata_quirks_check(pdata_quirks);
462}
463
