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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/wl12xx.h>
17
18#include <linux/platform_data/pinctrl-single.h>
19#include <linux/platform_data/iommu-omap.h>
20
21#include "am35xx.h"
22#include "common.h"
23#include "common-board-devices.h"
24#include "dss-common.h"
25#include "control.h"
26#include "omap_device.h"
27#include "omap-secure.h"
28#include "soc.h"
29
30struct pdata_init {
31 const char *compatible;
32 void (*fn)(void);
33};
34
35struct of_dev_auxdata omap_auxdata_lookup[];
36static struct twl4030_gpio_platform_data twl_gpio_auxdata;
37
38#if IS_ENABLED(CONFIG_WL12XX)
39
40static struct wl12xx_platform_data wl12xx __initdata;
41
42static 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
59static inline void legacy_init_wl12xx(unsigned ref_clock,
60 unsigned tcxo_clock,
61 int gpio)
62{
63}
64#endif
65
66#ifdef CONFIG_MACH_NOKIA_N8X0
67static 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
75#ifdef CONFIG_ARCH_OMAP3
76static 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}
84
85static 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
91static 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,
98 "wlan pwr");
99 if (res)
100 return res;
101
102 gpio_export(gpio, 0);
103
104 return 0;
105}
106
107static 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
124static void __init omap3_sbc_t3730_twl_init(void)
125{
126 twl_gpio_auxdata.setup = omap3_sbc_t3730_twl_callback;
127}
128
129static void __init omap3_sbc_t3730_legacy_init(void)
130{
131 omap3_sbc_t3x_usb_hub_init(167, "sb-t35 usb hub");
132 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 136);
133 omap_ads7846_init(1, 57, 0, NULL);
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 omap_ads7846_init(1, 57, 0, NULL);
140}
141
142static void __init omap3_igep0020_legacy_init(void)
143{
144}
145
146static void __init omap3_evm_legacy_init(void)
147{
148 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 149);
149}
150
151static void __init omap3_zoom_legacy_init(void)
152{
153 legacy_init_wl12xx(WL12XX_REFCLOCK_26, 0, 162);
154}
155
156static 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);
165}
166
167static 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);
175}
176
177static struct emac_platform_data am35xx_emac_pdata = {
178 .interrupt_enable = am35xx_enable_emac_int,
179 .interrupt_disable = am35xx_disable_emac_int,
180};
181
182static void __init am35xx_emac_reset(void)
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);
190}
191
192static 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
197static 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
213static void __init omap3_sbc_t3517_legacy_init(void)
214{
215 omap3_sbc_t3x_usb_hub_init(152, "cm-t3517 usb hub");
216 omap3_sbc_t3x_usb_hub_init(98, "sb-t35 usb hub");
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
224static void __init am3517_evm_legacy_init(void)
225{
226 am35xx_emac_reset();
227}
228
229static 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
237static 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
245 rx51_secure_update_aux_cr(BIT(6), 0);
246 } else {
247 pr_warn("RX-51: Not enabling ARM errata 430973 workaround\n");
248 pr_warn("Thumb binaries may crash randomly without this workaround\n");
249 }
250
251 pr_info("RX-51: Registring OMAP3 HWRNG device\n");
252 platform_device_register(&omap3_rom_rng_device);
253
254 }
255}
256
257static void __init omap3_tao3530_legacy_init(void)
258{
259 hsmmc2_internal_input_clk();
260}
261#endif
262
263#ifdef CONFIG_ARCH_OMAP4
264static void __init omap4_sdp_legacy_init(void)
265{
266 legacy_init_wl12xx(WL12XX_REFCLOCK_26,
267 WL12XX_TCXOCLOCK_26, 53);
268}
269
270static void __init omap4_panda_legacy_init(void)
271{
272 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 53);
273}
274
275static void __init var_som_om44_legacy_init(void)
276{
277 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 41);
278}
279#endif
280
281#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
282static struct iommu_platform_data omap4_iommu_pdata = {
283 .reset_name = "mmu_cache",
284 .assert_reset = omap_device_assert_hardreset,
285 .deassert_reset = omap_device_deassert_hardreset,
286};
287#endif
288
289#ifdef CONFIG_SOC_AM33XX
290static void __init am335x_evmsk_legacy_init(void)
291{
292 legacy_init_wl12xx(WL12XX_REFCLOCK_38, 0, 31);
293}
294#endif
295
296#ifdef CONFIG_SOC_OMAP5
297static void __init omap5_uevm_legacy_init(void)
298{
299}
300#endif
301
302static struct pcs_pdata pcs_pdata;
303
304void omap_pcs_legacy_init(int irq, void (*rearm)(void))
305{
306 pcs_pdata.irq = irq;
307 pcs_pdata.rearm = rearm;
308}
309
310
311
312
313
314void omap_auxdata_legacy_init(struct device *dev)
315{
316 if (dev->platform_data)
317 return;
318
319 if (strcmp("twl4030-gpio", dev_name(dev)))
320 return;
321
322 dev->platform_data = &twl_gpio_auxdata;
323}
324
325
326
327
328
329static struct pdata_init auxdata_quirks[] __initdata = {
330#ifdef CONFIG_SOC_OMAP2420
331 { "nokia,n800", omap2420_n8x0_legacy_init, },
332 { "nokia,n810", omap2420_n8x0_legacy_init, },
333 { "nokia,n810-wimax", omap2420_n8x0_legacy_init, },
334#endif
335#ifdef CONFIG_ARCH_OMAP3
336 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_twl_init, },
337#endif
338 { },
339};
340
341struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
342#ifdef CONFIG_MACH_NOKIA_N8X0
343 OF_DEV_AUXDATA("ti,omap2420-mmc", 0x4809c000, "mmci-omap.0", NULL),
344 OF_DEV_AUXDATA("menelaus", 0x72, "1-0072", &n8x0_menelaus_platform_data),
345 OF_DEV_AUXDATA("tlv320aic3x", 0x18, "2-0018", &n810_aic33_data),
346#endif
347#ifdef CONFIG_ARCH_OMAP3
348 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002030, "48002030.pinmux", &pcs_pdata),
349 OF_DEV_AUXDATA("ti,omap3-padconf", 0x480025a0, "480025a0.pinmux", &pcs_pdata),
350 OF_DEV_AUXDATA("ti,omap3-padconf", 0x48002a00, "48002a00.pinmux", &pcs_pdata),
351 OF_DEV_AUXDATA("ti,omap2-iommu", 0x5d000000, "5d000000.mmu",
352 &omap3_iommu_pdata),
353
354 OF_DEV_AUXDATA("ti,davinci_mdio", 0x5c030000, "davinci_mdio.0", NULL),
355 OF_DEV_AUXDATA("ti,am3517-emac", 0x5c000000, "davinci_emac.0",
356 &am35xx_emac_pdata),
357#endif
358#ifdef CONFIG_ARCH_OMAP4
359 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a100040, "4a100040.pinmux", &pcs_pdata),
360 OF_DEV_AUXDATA("ti,omap4-padconf", 0x4a31e040, "4a31e040.pinmux", &pcs_pdata),
361#endif
362#ifdef CONFIG_SOC_OMAP5
363 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4a002840, "4a002840.pinmux", &pcs_pdata),
364 OF_DEV_AUXDATA("ti,omap5-padconf", 0x4ae0c840, "4ae0c840.pinmux", &pcs_pdata),
365#endif
366#ifdef CONFIG_SOC_DRA7XX
367 OF_DEV_AUXDATA("ti,dra7-padconf", 0x4a003400, "4a003400.pinmux", &pcs_pdata),
368#endif
369#ifdef CONFIG_SOC_AM43XX
370 OF_DEV_AUXDATA("ti,am437-padconf", 0x44e10800, "44e10800.pinmux", &pcs_pdata),
371#endif
372#if defined(CONFIG_ARCH_OMAP4) || defined(CONFIG_SOC_OMAP5)
373 OF_DEV_AUXDATA("ti,omap4-iommu", 0x4a066000, "4a066000.mmu",
374 &omap4_iommu_pdata),
375 OF_DEV_AUXDATA("ti,omap4-iommu", 0x55082000, "55082000.mmu",
376 &omap4_iommu_pdata),
377#endif
378 { },
379};
380
381
382
383
384
385static struct pdata_init pdata_quirks[] __initdata = {
386#ifdef CONFIG_ARCH_OMAP3
387 { "compulab,omap3-sbc-t3517", omap3_sbc_t3517_legacy_init, },
388 { "compulab,omap3-sbc-t3530", omap3_sbc_t3530_legacy_init, },
389 { "compulab,omap3-sbc-t3730", omap3_sbc_t3730_legacy_init, },
390 { "nokia,omap3-n900", nokia_n900_legacy_init, },
391 { "nokia,omap3-n9", hsmmc2_internal_input_clk, },
392 { "nokia,omap3-n950", hsmmc2_internal_input_clk, },
393 { "isee,omap3-igep0020", omap3_igep0020_legacy_init, },
394 { "ti,omap3-evm-37xx", omap3_evm_legacy_init, },
395 { "ti,omap3-zoom3", omap3_zoom_legacy_init, },
396 { "ti,am3517-evm", am3517_evm_legacy_init, },
397 { "technexion,omap3-tao3530", omap3_tao3530_legacy_init, },
398#endif
399#ifdef CONFIG_ARCH_OMAP4
400 { "ti,omap4-sdp", omap4_sdp_legacy_init, },
401 { "ti,omap4-panda", omap4_panda_legacy_init, },
402 { "variscite,var-dvk-om44", var_som_om44_legacy_init, },
403 { "variscite,var-stk-om44", var_som_om44_legacy_init, },
404#endif
405#ifdef CONFIG_SOC_AM33XX
406 { "ti,am335x-evmsk", am335x_evmsk_legacy_init, },
407#endif
408#ifdef CONFIG_SOC_OMAP5
409 { "ti,omap5-uevm", omap5_uevm_legacy_init, },
410#endif
411 { },
412};
413
414static void pdata_quirks_check(struct pdata_init *quirks)
415{
416 while (quirks->compatible) {
417 if (of_machine_is_compatible(quirks->compatible)) {
418 if (quirks->fn)
419 quirks->fn();
420 break;
421 }
422 quirks++;
423 }
424}
425
426void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
427{
428 omap_sdrc_init(NULL, NULL);
429 pdata_quirks_check(auxdata_quirks);
430 of_platform_populate(NULL, omap_dt_match_table,
431 omap_auxdata_lookup, NULL);
432 pdata_quirks_check(pdata_quirks);
433}
434
