3 * Texas Instruments, <www.ti.com>
4 * Richard Woodruff <r-woodruff2@ti.com>
5 * Rajendra Nayak <rnayak@ti.com>
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 #include <asm/arch/cpu.h>
26 #include <asm/arch/bits.h>
27 #include <asm/arch/clocks.h>
28 #include <asm/arch/mem.h>
29 #include <asm/arch/sys_proto.h>
30 #include <asm/arch/sys_info.h>
31 #include <asm/arch/clocks443x.h>
34 #define CONFIG_OMAP4_SDC 1
36 /* Used to index into DPLL parameter tables */
48 /* Tables having M,N,M2 et al values for different sys_clk speeds
49 * This table is generated only for OPP100
50 * The tables are organized as follows:
51 * Rows : 1 - 12M, 2 - 13M, 3 - 16.8M, 4 - 19.2M, 5 - 26M, 6 - 27M, 7 - 38.4M
55 struct dpll_param mpu_dpll_param[7] = {
57 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
59 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
61 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
63 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
65 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
67 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
70 /* RUN MPU @ 600 MHz */
71 {0x7d, 0x07, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00},
73 {0x69, 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00},
75 {0x1a, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00},
80 struct dpll_param iva_dpll_param[7] = {
82 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
84 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
86 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
88 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
90 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
92 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
94 #ifdef CONFIG_OMAP4_SDC
95 {0x61, 0x03, 0x00, 0x00, 0x04, 0x07, 0x00, 0x00},
97 {0x61, 0x03, 0x00, 0x00, 0x04, 0x07, 0x00, 0x00},
101 /* CORE parameters */
102 struct dpll_param core_dpll_param[7] = {
104 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
106 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
108 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
110 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
112 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
114 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
115 /* 38.4M values - DDR@200MHz*/
116 {0x7d, 0x05, 0x02, 0x05, 0x08, 0x04, 0x06, 0x05},
119 /* CORE parameters - ES2.1 */
120 struct dpll_param core_dpll_param_ddr400[7] = {
122 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
124 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
126 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
128 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
130 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
132 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
133 /* 38.4M values - DDR@400MHz*/
134 {0x7d, 0x05, 0x01, 0x05, 0x08, 0x04, 0x06, 0x05},
137 /* CORE parameters for L3 at 190 MHz - For ES1 only*/
138 struct dpll_param core_dpll_param_l3_190[7] = {
140 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
142 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
144 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
146 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
148 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
150 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
152 #ifdef CONFIG_OMAP4_SDC
154 {0x1f0, 0x18, 0x01, 0x05, 0x08, 0x04, 0x06, 0x05},
155 #else /* Default CORE @166MHz */
156 {0x1b0, 0x18, 0x01, 0x05, 0x08, 0x04, 0x06, 0x05},
159 {0x7d, 0x05, 0x01, 0x05, 0x08, 0x04, 0x06, 0x08},
164 struct dpll_param per_dpll_param[7] = {
166 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
168 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
170 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
172 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
174 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
176 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
180 {0x0a, 0x00, 0x04, 0x03, 0x06, 0x05, 0x02, 0x03},
182 {0x14, 0x00, 0x08, 0x06, 0x0c, 0x09, 0x04, 0x05},
186 struct dpll_param abe_dpll_param[7] = {
188 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
190 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
192 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
194 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
196 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
198 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
200 #ifdef CONFIG_OMAP4_SDC
201 {0x40, 0x18, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0},
203 {0x40, 0x18, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0},
208 struct dpll_param usb_dpll_param[7] = {
210 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
212 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
214 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
216 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
218 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
220 {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
222 #ifdef CONFIG_OMAP4_SDC
223 {0x32, 0x1, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0},
225 {0x32, 0x1, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0},
229 static void configure_mpu_dpll(u32 clk_index)
231 struct dpll_param *dpll_param_p;
233 /* Unlock the MPU dpll */
234 sr32(CM_CLKMODE_DPLL_MPU, 0, 3, PLL_MN_POWER_BYPASS);
235 wait_on_value(BIT0, 0, CM_IDLEST_DPLL_MPU, LDELAY);
237 /* Program MPU DPLL */
238 dpll_param_p = &mpu_dpll_param[clk_index];
240 sr32(CM_AUTOIDLE_DPLL_MPU, 0, 3, 0x0); /* Disable DPLL autoidle */
242 /* Set M,N,M2 values */
243 sr32(CM_CLKSEL_DPLL_MPU, 8, 11, dpll_param_p->m);
244 sr32(CM_CLKSEL_DPLL_MPU, 0, 6, dpll_param_p->n);
245 sr32(CM_DIV_M2_DPLL_MPU, 0, 5, dpll_param_p->m2);
246 sr32(CM_DIV_M2_DPLL_MPU, 8, 1, 0x1);
248 /* Lock the mpu dpll */
249 sr32(CM_CLKMODE_DPLL_MPU, 0, 3, PLL_LOCK | 0x10);
250 wait_on_value(BIT0, 1, CM_IDLEST_DPLL_MPU, LDELAY);
253 static void configure_iva_dpll(u32 clk_index)
255 struct dpll_param *dpll_param_p;
257 /* Unlock the IVA dpll */
258 sr32(CM_CLKMODE_DPLL_IVA, 0, 3, PLL_MN_POWER_BYPASS);
259 wait_on_value(BIT0, 0, CM_IDLEST_DPLL_IVA, LDELAY);
261 /* CM_BYPCLK_DPLL_IVA = CORE_X2_CLK/2 */
262 sr32(CM_BYPCLK_DPLL_IVA, 0, 2, 0x1);
264 /* Program IVA DPLL */
265 dpll_param_p = &iva_dpll_param[clk_index];
267 sr32(CM_AUTOIDLE_DPLL_IVA, 0, 3, 0x0); /* Disable DPLL autoidle */
270 sr32(CM_CLKSEL_DPLL_IVA, 8, 11, dpll_param_p->m);
271 sr32(CM_CLKSEL_DPLL_IVA, 0, 7, dpll_param_p->n);
272 sr32(CM_DIV_M4_DPLL_IVA, 0, 5, dpll_param_p->m4);
273 sr32(CM_DIV_M4_DPLL_IVA, 8, 1, 0x1);
274 sr32(CM_DIV_M5_DPLL_IVA, 0, 5, dpll_param_p->m5);
275 sr32(CM_DIV_M5_DPLL_IVA, 8, 1, 0x1);
277 /* Lock the iva dpll */
278 sr32(CM_CLKMODE_DPLL_IVA, 0, 3, PLL_LOCK);
279 wait_on_value(BIT0, 1, CM_IDLEST_DPLL_IVA, LDELAY);
282 static void configure_per_dpll(u32 clk_index)
284 struct dpll_param *dpll_param_p;
286 /* Unlock the PER dpll */
287 sr32(CM_CLKMODE_DPLL_PER, 0, 3, PLL_MN_POWER_BYPASS);
288 wait_on_value(BIT0, 0, CM_IDLEST_DPLL_PER, LDELAY);
290 /* Program PER DPLL */
291 dpll_param_p = &per_dpll_param[clk_index];
293 /* Disable autoidle */
294 sr32(CM_AUTOIDLE_DPLL_PER, 0, 3, 0x0);
296 sr32(CM_CLKSEL_DPLL_PER, 8, 11, dpll_param_p->m);
297 sr32(CM_CLKSEL_DPLL_PER, 0, 6, dpll_param_p->n);
298 sr32(CM_DIV_M2_DPLL_PER, 0, 5, dpll_param_p->m2);
299 sr32(CM_DIV_M3_DPLL_PER, 0, 5, dpll_param_p->m3);
300 sr32(CM_DIV_M4_DPLL_PER, 0, 5, dpll_param_p->m4);
301 sr32(CM_DIV_M5_DPLL_PER, 0, 5, dpll_param_p->m5);
302 sr32(CM_DIV_M6_DPLL_PER, 0, 5, dpll_param_p->m6);
303 sr32(CM_DIV_M7_DPLL_PER, 0, 5, dpll_param_p->m7);
306 sr32(CM_DIV_M2_DPLL_PER, 8, 1, 0x1);
307 sr32(CM_DIV_M3_DPLL_PER, 8, 1, 0x1);
308 sr32(CM_DIV_M4_DPLL_PER, 8, 1, 0x1);
309 sr32(CM_DIV_M5_DPLL_PER, 8, 1, 0x1);
310 sr32(CM_DIV_M6_DPLL_PER, 8, 1, 0x1);
311 sr32(CM_DIV_M7_DPLL_PER, 8, 1, 0x1);
313 /* Lock the per dpll */
314 sr32(CM_CLKMODE_DPLL_PER, 0, 3, PLL_LOCK);
315 wait_on_value(BIT0, 1, CM_IDLEST_DPLL_PER, LDELAY);
318 static void configure_abe_dpll(u32 clk_index)
320 struct dpll_param *dpll_param_p;
322 /* Select sys_clk as ref clk for ABE dpll */
323 sr32(CM_ABE_PLL_REF_CLKSEL, 0, 32, 0x0);
325 /* Enable slimbus and pad clocks */
326 sr32(CM_CLKSEL_ABE, 0, 32, 0x500);
328 /* Unlock the ABE dpll */
329 sr32(CM_CLKMODE_DPLL_ABE, 0, 3, PLL_MN_POWER_BYPASS);
330 wait_on_value(BIT0, 0, CM_IDLEST_DPLL_ABE, LDELAY);
332 /* Program ABE DPLL */
333 dpll_param_p = &abe_dpll_param[clk_index];
335 /* Disable autoidle */
336 sr32(CM_AUTOIDLE_DPLL_ABE, 0, 3, 0x0);
338 sr32(CM_CLKSEL_DPLL_ABE, 8, 11, dpll_param_p->m);
339 sr32(CM_CLKSEL_DPLL_ABE, 0, 6, dpll_param_p->n);
341 /* Force DPLL CLKOUTHIF to stay enabled */
342 sr32(CM_DIV_M2_DPLL_ABE, 0, 32, 0x500);
343 sr32(CM_DIV_M2_DPLL_ABE, 0, 5, dpll_param_p->m2);
344 sr32(CM_DIV_M2_DPLL_ABE, 8, 1, 0x1);
345 /* Force DPLL CLKOUTHIF to stay enabled */
346 sr32(CM_DIV_M3_DPLL_ABE, 0, 32, 0x100);
347 sr32(CM_DIV_M3_DPLL_ABE, 0, 5, dpll_param_p->m3);
348 sr32(CM_DIV_M3_DPLL_ABE, 8, 1, 0x1);
350 /* Lock the abe dpll */
351 sr32(CM_CLKMODE_DPLL_ABE, 0, 3, PLL_LOCK);
352 wait_on_value(BIT0, 1, CM_IDLEST_DPLL_ABE, LDELAY);
355 static void configure_usb_dpll(u32 clk_index)
357 struct dpll_param *dpll_param_p;
359 /* Select the 60Mhz clock 480/8 = 60*/
360 sr32(CM_CLKSEL_USB_60MHz, 0, 32, 0x1);
362 /* Unlock the USB dpll */
363 sr32(CM_CLKMODE_DPLL_USB, 0, 3, PLL_MN_POWER_BYPASS);
364 wait_on_value(BIT0, 0, CM_IDLEST_DPLL_USB, LDELAY);
366 /* Program USB DPLL */
367 dpll_param_p = &usb_dpll_param[clk_index];
369 /* Disable autoidle */
370 sr32(CM_AUTOIDLE_DPLL_USB, 0, 3, 0x0);
372 sr32(CM_CLKSEL_DPLL_USB, 8, 11, dpll_param_p->m);
373 sr32(CM_CLKSEL_DPLL_USB, 0, 6, dpll_param_p->n);
375 /* Force DPLL CLKOUT to stay active */
376 sr32(CM_DIV_M2_DPLL_USB, 0, 32, 0x100);
377 sr32(CM_DIV_M2_DPLL_USB, 0, 5, dpll_param_p->m2);
378 sr32(CM_DIV_M2_DPLL_USB, 8, 1, 0x1);
379 sr32(CM_CLKDCOLDO_DPLL_USB, 8, 1, 0x1);
381 /* Lock the usb dpll */
382 sr32(CM_CLKMODE_DPLL_USB, 0, 3, PLL_LOCK);
383 wait_on_value(BIT0, 1, CM_IDLEST_DPLL_USB, LDELAY);
385 /* force enable the CLKDCOLDO clock */
386 sr32(CM_CLKDCOLDO_DPLL_USB, 0, 32, 0x100);
391 /* to remove warning about unused function; will be deleted in decruft patch */
392 static void configure_core_dpll(int clk_index)
394 struct dpll_param *dpll_param_p;
396 /* Get the sysclk speed from cm_sys_clksel
397 * Set it to 38.4 MHz, in case ROM code is bypassed
402 /* CORE_CLK=CORE_X2_CLK/2, L3_CLK=CORE_CLK/2, L4_CLK=L3_CLK/2 */
403 sr32(CM_CLKSEL_CORE, 0, 32, 0x110);
405 /* Unlock the CORE dpll */
406 sr32(CM_CLKMODE_DPLL_CORE, 0, 3, PLL_MN_POWER_BYPASS);
407 wait_on_value(BIT0, 0, CM_IDLEST_DPLL_CORE, LDELAY);
409 /* Program Core DPLL */
410 switch (omap_revision()) {
412 dpll_param_p = &core_dpll_param_l3_190[clk_index];
415 dpll_param_p = &core_dpll_param[clk_index];
418 dpll_param_p = &core_dpll_param_ddr400[clk_index];
422 /* Disable autoidle */
423 sr32(CM_AUTOIDLE_DPLL_CORE, 0, 3, 0x0);
425 sr32(CM_CLKSEL_DPLL_CORE, 8, 11, dpll_param_p->m);
426 sr32(CM_CLKSEL_DPLL_CORE, 0, 6, dpll_param_p->n);
427 sr32(CM_DIV_M2_DPLL_CORE, 0, 5, dpll_param_p->m2);
428 sr32(CM_DIV_M3_DPLL_CORE, 0, 5, dpll_param_p->m3);
429 sr32(CM_DIV_M4_DPLL_CORE, 0, 5, dpll_param_p->m4);
430 sr32(CM_DIV_M5_DPLL_CORE, 0, 5, dpll_param_p->m5);
431 sr32(CM_DIV_M6_DPLL_CORE, 0, 5, dpll_param_p->m6);
432 sr32(CM_DIV_M7_DPLL_CORE, 0, 5, dpll_param_p->m7);
434 if (omap_revision() == OMAP4430_ES1_0) {
435 /* Do this only on ES1.0 */
436 sr32(CM_DIV_M2_DPLL_CORE, 8, 1, 0x1);
437 sr32(CM_DIV_M3_DPLL_CORE, 8, 1, 0x1);
438 sr32(CM_DIV_M4_DPLL_CORE, 8, 1, 0x1);
439 sr32(CM_DIV_M5_DPLL_CORE, 8, 1, 0x1);
440 sr32(CM_DIV_M6_DPLL_CORE, 8, 1, 0x0);
441 sr32(CM_DIV_M7_DPLL_CORE, 8, 1, 0x1);
444 /* Lock the core dpll */
445 sr32(CM_CLKMODE_DPLL_CORE, 0, 3, PLL_LOCK);
446 wait_on_value(BIT0, 1, CM_IDLEST_DPLL_CORE, LDELAY);
450 void configure_core_dpll_no_lock(void)
452 struct dpll_param *dpll_param_p = NULL;
455 /* Get the sysclk speed from cm_sys_clksel
456 * Set it to 38.4 MHz, in case ROM code is bypassed
458 __raw_writel(0x7, CM_SYS_CLKSEL);
461 clk_index = clk_index - 1;
462 /* CORE_CLK=CORE_X2_CLK/2, L3_CLK=CORE_CLK/2, L4_CLK=L3_CLK/2 */
463 sr32(CM_CLKSEL_CORE, 0, 32, 0x110);
465 /* Unlock the CORE dpll */
466 sr32(CM_CLKMODE_DPLL_CORE, 0, 3, PLL_MN_POWER_BYPASS);
467 wait_on_value(BIT0, 0, CM_IDLEST_DPLL_CORE, LDELAY);
469 /* Program Core DPLL */
470 switch (omap_revision()) {
472 dpll_param_p = &core_dpll_param_l3_190[clk_index];
475 dpll_param_p = &core_dpll_param[clk_index];
478 dpll_param_p = &core_dpll_param_ddr400[clk_index];
485 /* Disable autoidle */
486 sr32(CM_AUTOIDLE_DPLL_CORE, 0, 3, 0x0);
488 sr32(CM_CLKSEL_DPLL_CORE, 8, 11, dpll_param_p->m);
489 sr32(CM_CLKSEL_DPLL_CORE, 0, 6, dpll_param_p->n);
490 sr32(CM_DIV_M2_DPLL_CORE, 0, 5, dpll_param_p->m2);
491 sr32(CM_DIV_M3_DPLL_CORE, 0, 5, dpll_param_p->m3);
492 sr32(CM_DIV_M4_DPLL_CORE, 0, 5, dpll_param_p->m4);
493 sr32(CM_DIV_M5_DPLL_CORE, 0, 5, dpll_param_p->m5);
494 sr32(CM_DIV_M6_DPLL_CORE, 0, 5, dpll_param_p->m6);
495 sr32(CM_DIV_M7_DPLL_CORE, 0, 5, dpll_param_p->m7);
497 sr32(CM_DIV_M2_DPLL_CORE, 8, 1, 0x1);
498 sr32(CM_DIV_M3_DPLL_CORE, 8, 1, 0x1);
499 sr32(CM_DIV_M4_DPLL_CORE, 8, 1, 0x1);
500 sr32(CM_DIV_M5_DPLL_CORE, 8, 1, 0x1);
501 sr32(CM_DIV_M6_DPLL_CORE, 8, 1, 0x0);
502 sr32(CM_DIV_M7_DPLL_CORE, 8, 1, 0x1);
505 void lock_core_dpll(void)
507 /* Lock the core dpll */
508 sr32(CM_CLKMODE_DPLL_CORE, 0, 3, PLL_LOCK);
509 wait_on_value(BIT0, 1, CM_IDLEST_DPLL_CORE, LDELAY);
512 void lock_core_dpll_shadow(void)
514 struct dpll_param *dpll_param_p = NULL;
516 /* Lock the core dpll using freq update method */
517 __raw_writel(10, 0x4A004120); /* CM_CLKMODE_DPLL_CORE */
519 switch (omap_revision()) {
521 dpll_param_p = &core_dpll_param_l3_190[6];
524 dpll_param_p = &core_dpll_param[6];
527 dpll_param_p = &core_dpll_param_ddr400[6];
534 /* CM_SHADOW_FREQ_CONFIG1: DLL_OVERRIDE = 1(hack), DLL_RESET = 1,
535 * DPLL_CORE_M2_DIV =1, DPLL_CORE_DPLL_EN = 0x7, FREQ_UPDATE = 1
537 __raw_writel(0x70D | (dpll_param_p->m2 << 11), 0x4A004260);
540 * if the EMIF never goes idle, and eg, if ROM enabled USB,
541 * we loop for a very very long time here becuse shadow updates wait
545 /* Wait for Freq_Update to get cleared: CM_SHADOW_FREQ_CONFIG1 */
546 while (__raw_readl(0x4A004260) & 1)
549 /* Wait for DPLL to Lock : CM_IDLEST_DPLL_CORE */
550 wait_on_value(BIT0, 1, CM_IDLEST_DPLL_CORE, LDELAY);
551 /* lock_core_dpll(); */
554 static void enable_all_clocks(void)
556 /* Enable Ducati clocks */
557 sr32(CM_DUCATI_DUCATI_CLKCTRL, 0, 32, 0x1);
558 sr32(CM_DUCATI_CLKSTCTRL, 0, 32, 0x2);
560 wait_on_value(BIT8, BIT8, CM_DUCATI_CLKSTCTRL, LDELAY);
562 /* Enable ivahd and sl2 clocks */
563 sr32(IVAHD_IVAHD_CLKCTRL, 0, 32, 0x1);
564 sr32(IVAHD_SL2_CLKCTRL, 0, 32, 0x1);
565 sr32(IVAHD_CLKSTCTRL, 0, 32, 0x2);
567 wait_on_value(BIT8, BIT8, IVAHD_CLKSTCTRL, LDELAY);
569 /* Enable Tesla clocks */
570 sr32(DSP_DSP_CLKCTRL, 0, 32, 0x1);
571 sr32(DSP_CLKSTCTRL, 0, 32, 0x2);
573 wait_on_value(BIT8, BIT8, DSP_CLKSTCTRL, LDELAY);
575 /* wait for tesla to become accessible */
578 sr32(CM1_ABE_CLKSTCTRL, 0, 32, 0x3);
579 sr32(CM1_ABE_AESS_CLKCTRL, 0, 32, 0x2);
580 sr32(CM1_ABE_PDM_CLKCTRL, 0, 32, 0x2);
581 sr32(CM1_ABE_DMIC_CLKCTRL, 0, 32, 0x2);
582 sr32(CM1_ABE_MCASP_CLKCTRL, 0, 32, 0x2);
583 sr32(CM1_ABE_MCBSP1_CLKCTRL, 0, 32, 0x08000002);
584 sr32(CM1_ABE_MCBSP2_CLKCTRL, 0, 32, 0x08000002);
585 sr32(CM1_ABE_MCBSP3_CLKCTRL, 0, 32, 0x08000002);
586 sr32(CM1_ABE_SLIMBUS_CLKCTRL, 0, 32, 0xf02);
587 sr32(CM1_ABE_TIMER5_CLKCTRL, 0, 32, 0x2);
588 sr32(CM1_ABE_TIMER6_CLKCTRL, 0, 32, 0x2);
589 sr32(CM1_ABE_TIMER7_CLKCTRL, 0, 32, 0x2);
590 sr32(CM1_ABE_TIMER8_CLKCTRL, 0, 32, 0x2);
591 sr32(CM1_ABE_WDT3_CLKCTRL, 0, 32, 0x2);
592 /* Disable sleep transitions */
593 sr32(CM1_ABE_CLKSTCTRL, 0, 32, 0x0);
596 sr32(CM_L4PER_CLKSTCTRL, 0, 32, 0x2);
597 sr32(CM_L4PER_DMTIMER10_CLKCTRL, 0, 32, 0x2);
598 wait_on_value(BIT17|BIT16, 0, CM_L4PER_DMTIMER10_CLKCTRL, LDELAY);
599 sr32(CM_L4PER_DMTIMER11_CLKCTRL, 0, 32, 0x2);
600 wait_on_value(BIT17|BIT16, 0, CM_L4PER_DMTIMER11_CLKCTRL, LDELAY);
601 sr32(CM_L4PER_DMTIMER2_CLKCTRL, 0, 32, 0x2);
602 wait_on_value(BIT17|BIT16, 0, CM_L4PER_DMTIMER2_CLKCTRL, LDELAY);
603 sr32(CM_L4PER_DMTIMER3_CLKCTRL, 0, 32, 0x2);
604 wait_on_value(BIT17|BIT16, 0, CM_L4PER_DMTIMER3_CLKCTRL, LDELAY);
605 sr32(CM_L4PER_DMTIMER4_CLKCTRL, 0, 32, 0x2);
606 wait_on_value(BIT17|BIT16, 0, CM_L4PER_DMTIMER4_CLKCTRL, LDELAY);
607 sr32(CM_L4PER_DMTIMER9_CLKCTRL, 0, 32, 0x2);
608 wait_on_value(BIT17|BIT16, 0, CM_L4PER_DMTIMER9_CLKCTRL, LDELAY);
611 sr32(CM_L4PER_GPIO2_CLKCTRL, 0, 32, 0x1);
612 wait_on_value(BIT17|BIT16, 0, CM_L4PER_GPIO2_CLKCTRL, LDELAY);
613 sr32(CM_L4PER_GPIO3_CLKCTRL, 0, 32, 0x1);
614 wait_on_value(BIT17|BIT16, 0, CM_L4PER_GPIO3_CLKCTRL, LDELAY);
615 sr32(CM_L4PER_GPIO4_CLKCTRL, 0, 32, 0x1);
616 wait_on_value(BIT17|BIT16, 0, CM_L4PER_GPIO4_CLKCTRL, LDELAY);
617 sr32(CM_L4PER_GPIO5_CLKCTRL, 0, 32, 0x1);
618 wait_on_value(BIT17|BIT16, 0, CM_L4PER_GPIO5_CLKCTRL, LDELAY);
619 sr32(CM_L4PER_GPIO6_CLKCTRL, 0, 32, 0x1);
620 wait_on_value(BIT17|BIT16, 0, CM_L4PER_GPIO6_CLKCTRL, LDELAY);
622 sr32(CM_L4PER_HDQ1W_CLKCTRL, 0, 32, 0x2);
625 sr32(CM_L4PER_I2C1_CLKCTRL, 0, 32, 0x2);
626 wait_on_value(BIT17|BIT16, 0, CM_L4PER_I2C1_CLKCTRL, LDELAY);
627 sr32(CM_L4PER_I2C2_CLKCTRL, 0, 32, 0x2);
628 wait_on_value(BIT17|BIT16, 0, CM_L4PER_I2C2_CLKCTRL, LDELAY);
629 sr32(CM_L4PER_I2C3_CLKCTRL, 0, 32, 0x2);
630 wait_on_value(BIT17|BIT16, 0, CM_L4PER_I2C3_CLKCTRL, LDELAY);
631 sr32(CM_L4PER_I2C4_CLKCTRL, 0, 32, 0x2);
632 wait_on_value(BIT17|BIT16, 0, CM_L4PER_I2C4_CLKCTRL, LDELAY);
634 sr32(CM_L4PER_MCBSP4_CLKCTRL, 0, 32, 0x2);
635 wait_on_value(BIT17|BIT16, 0, CM_L4PER_MCBSP4_CLKCTRL, LDELAY);
638 sr32(CM_L4PER_MCSPI1_CLKCTRL, 0, 32, 0x2);
639 wait_on_value(BIT17|BIT16, 0, CM_L4PER_MCSPI1_CLKCTRL, LDELAY);
640 sr32(CM_L4PER_MCSPI2_CLKCTRL, 0, 32, 0x2);
641 wait_on_value(BIT17|BIT16, 0, CM_L4PER_MCSPI2_CLKCTRL, LDELAY);
642 sr32(CM_L4PER_MCSPI3_CLKCTRL, 0, 32, 0x2);
643 wait_on_value(BIT17|BIT16, 0, CM_L4PER_MCSPI3_CLKCTRL, LDELAY);
644 sr32(CM_L4PER_MCSPI4_CLKCTRL, 0, 32, 0x2);
645 wait_on_value(BIT17|BIT16, 0, CM_L4PER_MCSPI4_CLKCTRL, LDELAY);
648 sr32(CM_L3INIT_HSMMC1_CLKCTRL, 0, 2, 0x2);
649 sr32(CM_L3INIT_HSMMC1_CLKCTRL, 24, 1, 0x1);
650 sr32(CM_L3INIT_HSMMC2_CLKCTRL, 0, 2, 0x2);
651 sr32(CM_L3INIT_HSMMC2_CLKCTRL, 24, 1, 0x1);
652 sr32(CM_L4PER_MMCSD3_CLKCTRL, 0, 32, 0x2);
653 wait_on_value(BIT18|BIT17|BIT16, 0, CM_L4PER_MMCSD3_CLKCTRL, LDELAY);
654 sr32(CM_L4PER_MMCSD4_CLKCTRL, 0, 32, 0x2);
655 wait_on_value(BIT18|BIT17|BIT16, 0, CM_L4PER_MMCSD4_CLKCTRL, LDELAY);
656 sr32(CM_L4PER_MMCSD5_CLKCTRL, 0, 32, 0x2);
657 wait_on_value(BIT17|BIT16, 0, CM_L4PER_MMCSD5_CLKCTRL, LDELAY);
660 sr32(CM_L4PER_UART1_CLKCTRL, 0, 32, 0x2);
661 wait_on_value(BIT17|BIT16, 0, CM_L4PER_UART1_CLKCTRL, LDELAY);
662 sr32(CM_L4PER_UART2_CLKCTRL, 0, 32, 0x2);
663 wait_on_value(BIT17|BIT16, 0, CM_L4PER_UART2_CLKCTRL, LDELAY);
664 sr32(CM_L4PER_UART3_CLKCTRL, 0, 32, 0x2);
665 wait_on_value(BIT17|BIT16, 0, CM_L4PER_UART3_CLKCTRL, LDELAY);
666 sr32(CM_L4PER_UART4_CLKCTRL, 0, 32, 0x2);
667 wait_on_value(BIT17|BIT16, 0, CM_L4PER_UART4_CLKCTRL, LDELAY);
670 sr32(CM_WKUP_GPIO1_CLKCTRL, 0, 32, 0x1);
671 wait_on_value(BIT17|BIT16, 0, CM_WKUP_GPIO1_CLKCTRL, LDELAY);
672 sr32(CM_WKUP_TIMER1_CLKCTRL, 0, 32, 0x01000002);
673 wait_on_value(BIT17|BIT16, 0, CM_WKUP_TIMER1_CLKCTRL, LDELAY);
675 sr32(CM_WKUP_KEYBOARD_CLKCTRL, 0, 32, 0x2);
676 wait_on_value(BIT17|BIT16, 0, CM_WKUP_KEYBOARD_CLKCTRL, LDELAY);
678 sr32(CM_SDMA_CLKSTCTRL, 0, 32, 0x0);
679 sr32(CM_MEMIF_CLKSTCTRL, 0, 32, 0x3);
680 sr32(CM_MEMIF_EMIF_1_CLKCTRL, 0, 32, 0x1);
681 wait_on_value(BIT17|BIT16, 0, CM_MEMIF_EMIF_1_CLKCTRL, LDELAY);
682 sr32(CM_MEMIF_EMIF_2_CLKCTRL, 0, 32, 0x1);
683 wait_on_value(BIT17|BIT16, 0, CM_MEMIF_EMIF_2_CLKCTRL, LDELAY);
684 sr32(CM_D2D_CLKSTCTRL, 0, 32, 0x3);
685 sr32(CM_L3_2_GPMC_CLKCTRL, 0, 32, 0x1);
686 wait_on_value(BIT17|BIT16, 0, CM_L3_2_GPMC_CLKCTRL, LDELAY);
687 sr32(CM_L3INSTR_L3_3_CLKCTRL, 0, 32, 0x1);
688 wait_on_value(BIT17|BIT16, 0, CM_L3INSTR_L3_3_CLKCTRL, LDELAY);
689 sr32(CM_L3INSTR_L3_INSTR_CLKCTRL, 0, 32, 0x1);
690 wait_on_value(BIT17|BIT16, 0, CM_L3INSTR_L3_INSTR_CLKCTRL, LDELAY);
691 sr32(CM_L3INSTR_OCP_WP1_CLKCTRL, 0, 32, 0x1);
692 wait_on_value(BIT17|BIT16, 0, CM_L3INSTR_OCP_WP1_CLKCTRL, LDELAY);
695 sr32(CM_WKUP_WDT2_CLKCTRL, 0, 32, 0x2);
696 wait_on_value(BIT17|BIT16, 0, CM_WKUP_WDT2_CLKCTRL, LDELAY);
698 /* Enable Camera clocks */
699 sr32(CM_CAM_CLKSTCTRL, 0, 32, 0x3);
700 sr32(CM_CAM_ISS_CLKCTRL, 0, 32, 0x102);
701 sr32(CM_CAM_FDIF_CLKCTRL, 0, 32, 0x2);
702 sr32(CM_CAM_CLKSTCTRL, 0, 32, 0x0);
704 /* Enable DSS clocks */
705 /* PM_DSS_PWRSTCTRL ON State and LogicState = 1 (Retention) */
706 __raw_writel(7, 0x4A307100); /* DSS_PRM */
708 sr32(CM_DSS_CLKSTCTRL, 0, 32, 0x2);
709 sr32(CM_DSS_DSS_CLKCTRL, 0, 32, 0xf02);
710 sr32(CM_DSS_DEISS_CLKCTRL, 0, 32, 0x2);
712 /* Check for DSS Clocks */
713 while ((__raw_readl(0x4A009100) & 0xF00) != 0xE00)
715 /* Set HW_AUTO transition mode */
716 sr32(CM_DSS_CLKSTCTRL, 0, 32, 0x3);
718 /* Enable SGX clocks */
719 sr32(CM_SGX_CLKSTCTRL, 0, 32, 0x2);
720 sr32(CM_SGX_SGX_CLKCTRL, 0, 32, 0x2);
721 /* Check for SGX FCLK and ICLK */
722 while (__raw_readl(0x4A009200) != 0x302)
724 /* Enable hsi/unipro/usb clocks */
725 sr32(CM_L3INIT_HSI_CLKCTRL, 0, 32, 0x1);
726 sr32(CM_L3INIT_UNIPRO1_CLKCTRL, 0, 32, 0x2);
727 sr32(CM_L3INIT_HSUSBHOST_CLKCTRL, 0, 32, 0x2);
728 sr32(CM_L3INIT_HSUSBOTG_CLKCTRL, 0, 32, 0x1);
729 sr32(CM_L3INIT_HSUSBTLL_CLKCTRL, 0, 32, 0x1);
730 sr32(CM_L3INIT_FSUSB_CLKCTRL, 0, 32, 0x2);
731 /* enable the 32K, 48M optional clocks and enable the module */
732 sr32(CM_L3INIT_USBPHY_CLKCTRL, 0, 32, 0x301);
735 /******************************************************************************
736 * prcm_init() - inits clocks for PRCM as defined in clocks.h
737 * -- called from SRAM, or Flash (using temp SRAM stack).
738 *****************************************************************************/
743 /* Get the sysclk speed from cm_sys_clksel
744 * Set the CM_SYS_CLKSEL in case ROM code has not set
746 __raw_writel(0x7, CM_SYS_CLKSEL);
747 clk_index = readl(CM_SYS_CLKSEL);
749 return; /* Sys clk uninitialized */
750 /* Core DPLL is locked using FREQ update method */
751 /* configure_core_dpll(clk_index - 1); */
753 /* Configure all DPLL's at 100% OPP */
754 configure_mpu_dpll(clk_index - 1);
755 configure_iva_dpll(clk_index - 1);
756 configure_per_dpll(clk_index - 1);
757 configure_abe_dpll(clk_index - 1);
758 configure_usb_dpll(clk_index - 1);
760 #ifdef CONFIG_OMAP4_SDC
761 /* Enable all clocks */