3
* NVIDIA Corporation <www.nvidia.com>
5
* SPDX-License-Identifier: GPL-2.0+
8
/* Tegra124 Clock control functions */
12
#include <asm/arch/clock.h>
13
#include <asm/arch/sysctr.h>
14
#include <asm/arch/tegra.h>
15
#include <asm/arch-tegra/clk_rst.h>
16
#include <asm/arch-tegra/timer.h>
21
* Clock types that we can use as a source. The Tegra124 has muxes for the
22
* peripheral clocks, and in most cases there are four options for the clock
23
* source. This gives us a clock 'type' and exploits what commonality exists
26
* Letters are obvious, except for T which means CLK_M, and S which means the
27
* clock derived from 32KHz. Beware that CLK_M (also called OSC in the
28
* datasheet) and PLL_M are different things. The former is the basic
29
* clock supplied to the SOC from an external oscillator. The latter is the
32
* See definitions in clock_id in the header file.
35
CLOCK_TYPE_AXPT, /* PLL_A, PLL_X, PLL_P, CLK_M */
36
CLOCK_TYPE_MCPA, /* and so on */
49
CLOCK_TYPE_PC2CC3M_T16, /* PC2CC3M_T, but w/16-bit divisor (I2C) */
52
CLOCK_TYPE_MCPTM2C2C3,
54
CLOCK_TYPE_AC2CC3P_TS2,
57
CLOCK_TYPE_NONE = -1, /* invalid clock type */
61
CLOCK_MAX_MUX = 8 /* number of source options for each clock */
65
* Clock source mux for each clock type. This just converts our enum into
66
* a list of mux sources for use by the code.
69
* The extra column in each clock source array is used to store the mask
70
* bits in its register for the source.
72
#define CLK(x) CLOCK_ID_ ## x
73
static enum clock_id clock_source[CLOCK_TYPE_COUNT][CLOCK_MAX_MUX+1] = {
74
{ CLK(AUDIO), CLK(XCPU), CLK(PERIPH), CLK(OSC),
75
CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
77
{ CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(AUDIO),
78
CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
80
{ CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
81
CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
83
{ CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(NONE),
84
CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
86
{ CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC),
87
CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
89
{ CLK(PERIPH), CLK(DISPLAY), CLK(CGENERAL), CLK(OSC),
90
CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
92
{ CLK(AUDIO), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
93
CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
95
{ CLK(AUDIO), CLK(SFROM32KHZ), CLK(PERIPH), CLK(OSC),
96
CLK(EPCI), CLK(NONE), CLK(NONE), CLK(NONE),
98
{ CLK(PERIPH), CLK(MEMORY), CLK(DISPLAY), CLK(AUDIO),
99
CLK(CGENERAL), CLK(DISPLAY2), CLK(OSC), CLK(NONE),
101
{ CLK(PERIPH), CLK(CGENERAL), CLK(SFROM32KHZ), CLK(OSC),
102
CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
105
/* Additional clock types on Tegra114+ */
106
/* CLOCK_TYPE_PC2CC3M */
107
{ CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
108
CLK(MEMORY), CLK(NONE), CLK(NONE), CLK(NONE),
110
/* CLOCK_TYPE_PC2CC3S_T */
111
{ CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
112
CLK(SFROM32KHZ), CLK(NONE), CLK(OSC), CLK(NONE),
114
/* CLOCK_TYPE_PC2CC3M_T */
115
{ CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
116
CLK(MEMORY), CLK(NONE), CLK(OSC), CLK(NONE),
118
/* CLOCK_TYPE_PC2CC3M_T, w/16-bit divisor (I2C) */
119
{ CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
120
CLK(MEMORY), CLK(NONE), CLK(OSC), CLK(NONE),
122
/* CLOCK_TYPE_MC2CC3P_A */
123
{ CLK(MEMORY), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
124
CLK(PERIPH), CLK(NONE), CLK(AUDIO), CLK(NONE),
127
{ CLK(MEMORY), CLK(NONE), CLK(NONE), CLK(NONE),
128
CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
130
/* CLOCK_TYPE_MCPTM2C2C3 */
131
{ CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
132
CLK(MEMORY2), CLK(CGENERAL2), CLK(CGENERAL3), CLK(NONE),
134
/* CLOCK_TYPE_PC2CC3T_S */
135
{ CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
136
CLK(OSC), CLK(NONE), CLK(SFROM32KHZ), CLK(NONE),
138
/* CLOCK_TYPE_AC2CC3P_TS2 */
139
{ CLK(AUDIO), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
140
CLK(PERIPH), CLK(NONE), CLK(OSC), CLK(SRC2),
145
* Clock type for each peripheral clock source. We put the name in each
146
* record just so it is easy to match things up
148
#define TYPE(name, type) type
149
static enum clock_type_id clock_periph_type[PERIPHC_COUNT] = {
151
TYPE(PERIPHC_I2S1, CLOCK_TYPE_AXPT),
152
TYPE(PERIPHC_I2S2, CLOCK_TYPE_AXPT),
153
TYPE(PERIPHC_SPDIF_OUT, CLOCK_TYPE_AXPT),
154
TYPE(PERIPHC_SPDIF_IN, CLOCK_TYPE_PC2CC3M),
155
TYPE(PERIPHC_PWM, CLOCK_TYPE_PC2CC3S_T),
156
TYPE(PERIPHC_05h, CLOCK_TYPE_NONE),
157
TYPE(PERIPHC_SBC2, CLOCK_TYPE_PC2CC3M_T),
158
TYPE(PERIPHC_SBC3, CLOCK_TYPE_PC2CC3M_T),
161
TYPE(PERIPHC_08h, CLOCK_TYPE_NONE),
162
TYPE(PERIPHC_I2C1, CLOCK_TYPE_PC2CC3M_T16),
163
TYPE(PERIPHC_I2C5, CLOCK_TYPE_PC2CC3M_T16),
164
TYPE(PERIPHC_0bh, CLOCK_TYPE_NONE),
165
TYPE(PERIPHC_0ch, CLOCK_TYPE_NONE),
166
TYPE(PERIPHC_SBC1, CLOCK_TYPE_PC2CC3M_T),
167
TYPE(PERIPHC_DISP1, CLOCK_TYPE_PMDACD2T),
168
TYPE(PERIPHC_DISP2, CLOCK_TYPE_PMDACD2T),
171
TYPE(PERIPHC_10h, CLOCK_TYPE_NONE),
172
TYPE(PERIPHC_11h, CLOCK_TYPE_NONE),
173
TYPE(PERIPHC_VI, CLOCK_TYPE_MC2CC3P_A),
174
TYPE(PERIPHC_13h, CLOCK_TYPE_NONE),
175
TYPE(PERIPHC_SDMMC1, CLOCK_TYPE_PC2CC3M_T),
176
TYPE(PERIPHC_SDMMC2, CLOCK_TYPE_PC2CC3M_T),
177
TYPE(PERIPHC_16h, CLOCK_TYPE_NONE),
178
TYPE(PERIPHC_17h, CLOCK_TYPE_NONE),
181
TYPE(PERIPHC_18h, CLOCK_TYPE_NONE),
182
TYPE(PERIPHC_SDMMC4, CLOCK_TYPE_PC2CC3M_T),
183
TYPE(PERIPHC_VFIR, CLOCK_TYPE_PC2CC3M_T),
184
TYPE(PERIPHC_1Bh, CLOCK_TYPE_NONE),
185
TYPE(PERIPHC_1Ch, CLOCK_TYPE_NONE),
186
TYPE(PERIPHC_HSI, CLOCK_TYPE_PC2CC3M_T),
187
TYPE(PERIPHC_UART1, CLOCK_TYPE_PC2CC3M_T),
188
TYPE(PERIPHC_UART2, CLOCK_TYPE_PC2CC3M_T),
191
TYPE(PERIPHC_HOST1X, CLOCK_TYPE_MC2CC3P_A),
192
TYPE(PERIPHC_21h, CLOCK_TYPE_NONE),
193
TYPE(PERIPHC_22h, CLOCK_TYPE_NONE),
194
TYPE(PERIPHC_HDMI, CLOCK_TYPE_PMDACD2T),
195
TYPE(PERIPHC_24h, CLOCK_TYPE_NONE),
196
TYPE(PERIPHC_25h, CLOCK_TYPE_NONE),
197
TYPE(PERIPHC_I2C2, CLOCK_TYPE_PC2CC3M_T16),
198
TYPE(PERIPHC_EMC, CLOCK_TYPE_MCPTM2C2C3),
201
TYPE(PERIPHC_UART3, CLOCK_TYPE_PC2CC3M_T),
202
TYPE(PERIPHC_29h, CLOCK_TYPE_NONE),
203
TYPE(PERIPHC_VI_SENSOR, CLOCK_TYPE_MC2CC3P_A),
204
TYPE(PERIPHC_2bh, CLOCK_TYPE_NONE),
205
TYPE(PERIPHC_2ch, CLOCK_TYPE_NONE),
206
TYPE(PERIPHC_SBC4, CLOCK_TYPE_PC2CC3M_T),
207
TYPE(PERIPHC_I2C3, CLOCK_TYPE_PC2CC3M_T16),
208
TYPE(PERIPHC_SDMMC3, CLOCK_TYPE_PC2CC3M_T),
211
TYPE(PERIPHC_UART4, CLOCK_TYPE_PC2CC3M_T),
212
TYPE(PERIPHC_UART5, CLOCK_TYPE_PC2CC3M_T),
213
TYPE(PERIPHC_VDE, CLOCK_TYPE_PC2CC3M_T),
214
TYPE(PERIPHC_OWR, CLOCK_TYPE_PC2CC3M_T),
215
TYPE(PERIPHC_NOR, CLOCK_TYPE_PC2CC3M_T),
216
TYPE(PERIPHC_CSITE, CLOCK_TYPE_PC2CC3M_T),
217
TYPE(PERIPHC_I2S0, CLOCK_TYPE_AXPT),
218
TYPE(PERIPHC_DTV, CLOCK_TYPE_NONE),
221
TYPE(PERIPHC_38h, CLOCK_TYPE_NONE),
222
TYPE(PERIPHC_39h, CLOCK_TYPE_NONE),
223
TYPE(PERIPHC_3ah, CLOCK_TYPE_NONE),
224
TYPE(PERIPHC_3bh, CLOCK_TYPE_NONE),
225
TYPE(PERIPHC_MSENC, CLOCK_TYPE_MC2CC3P_A),
226
TYPE(PERIPHC_TSEC, CLOCK_TYPE_PC2CC3M_T),
227
TYPE(PERIPHC_3eh, CLOCK_TYPE_NONE),
228
TYPE(PERIPHC_OSC, CLOCK_TYPE_NONE),
231
TYPE(PERIPHC_40h, CLOCK_TYPE_NONE), /* start with 0x3b0 */
232
TYPE(PERIPHC_MSELECT, CLOCK_TYPE_PC2CC3M_T),
233
TYPE(PERIPHC_TSENSOR, CLOCK_TYPE_PC2CC3T_S),
234
TYPE(PERIPHC_I2S3, CLOCK_TYPE_AXPT),
235
TYPE(PERIPHC_I2S4, CLOCK_TYPE_AXPT),
236
TYPE(PERIPHC_I2C4, CLOCK_TYPE_PC2CC3M_T16),
237
TYPE(PERIPHC_SBC5, CLOCK_TYPE_PC2CC3M_T),
238
TYPE(PERIPHC_SBC6, CLOCK_TYPE_PC2CC3M_T),
241
TYPE(PERIPHC_AUDIO, CLOCK_TYPE_AC2CC3P_TS2),
242
TYPE(PERIPHC_49h, CLOCK_TYPE_NONE),
243
TYPE(PERIPHC_DAM0, CLOCK_TYPE_AC2CC3P_TS2),
244
TYPE(PERIPHC_DAM1, CLOCK_TYPE_AC2CC3P_TS2),
245
TYPE(PERIPHC_DAM2, CLOCK_TYPE_AC2CC3P_TS2),
246
TYPE(PERIPHC_HDA2CODEC2X, CLOCK_TYPE_PC2CC3M_T),
247
TYPE(PERIPHC_ACTMON, CLOCK_TYPE_PC2CC3S_T),
248
TYPE(PERIPHC_EXTPERIPH1, CLOCK_TYPE_ASPTE),
251
TYPE(PERIPHC_EXTPERIPH2, CLOCK_TYPE_ASPTE),
252
TYPE(PERIPHC_EXTPERIPH3, CLOCK_TYPE_ASPTE),
253
TYPE(PERIPHC_52h, CLOCK_TYPE_NONE),
254
TYPE(PERIPHC_I2CSLOW, CLOCK_TYPE_PC2CC3S_T),
255
TYPE(PERIPHC_SYS, CLOCK_TYPE_NONE),
256
TYPE(PERIPHC_55h, CLOCK_TYPE_NONE),
257
TYPE(PERIPHC_56h, CLOCK_TYPE_NONE),
258
TYPE(PERIPHC_57h, CLOCK_TYPE_NONE),
261
TYPE(PERIPHC_58h, CLOCK_TYPE_NONE),
262
TYPE(PERIPHC_59h, CLOCK_TYPE_NONE),
263
TYPE(PERIPHC_5ah, CLOCK_TYPE_NONE),
264
TYPE(PERIPHC_5bh, CLOCK_TYPE_NONE),
265
TYPE(PERIPHC_SATAOOB, CLOCK_TYPE_PCMT),
266
TYPE(PERIPHC_SATA, CLOCK_TYPE_PCMT),
267
TYPE(PERIPHC_HDA, CLOCK_TYPE_PC2CC3M_T),
268
TYPE(PERIPHC_5fh, CLOCK_TYPE_NONE),
271
TYPE(PERIPHC_XUSB_CORE_HOST, CLOCK_TYPE_NONE),
272
TYPE(PERIPHC_XUSB_FALCON, CLOCK_TYPE_NONE),
273
TYPE(PERIPHC_XUSB_FS, CLOCK_TYPE_NONE),
274
TYPE(PERIPHC_XUSB_CORE_DEV, CLOCK_TYPE_NONE),
275
TYPE(PERIPHC_XUSB_SS, CLOCK_TYPE_NONE),
276
TYPE(PERIPHC_CILAB, CLOCK_TYPE_NONE),
277
TYPE(PERIPHC_CILCD, CLOCK_TYPE_NONE),
278
TYPE(PERIPHC_CILE, CLOCK_TYPE_NONE),
281
TYPE(PERIPHC_DSIA_LP, CLOCK_TYPE_NONE),
282
TYPE(PERIPHC_DSIB_LP, CLOCK_TYPE_NONE),
283
TYPE(PERIPHC_ENTROPY, CLOCK_TYPE_NONE),
284
TYPE(PERIPHC_DVFS_REF, CLOCK_TYPE_NONE),
285
TYPE(PERIPHC_DVFS_SOC, CLOCK_TYPE_NONE),
286
TYPE(PERIPHC_TRACECLKIN, CLOCK_TYPE_NONE),
287
TYPE(PERIPHC_ADX0, CLOCK_TYPE_NONE),
288
TYPE(PERIPHC_AMX0, CLOCK_TYPE_NONE),
291
TYPE(PERIPHC_EMC_LATENCY, CLOCK_TYPE_NONE),
292
TYPE(PERIPHC_SOC_THERM, CLOCK_TYPE_NONE),
293
TYPE(PERIPHC_72h, CLOCK_TYPE_NONE),
294
TYPE(PERIPHC_73h, CLOCK_TYPE_NONE),
295
TYPE(PERIPHC_74h, CLOCK_TYPE_NONE),
296
TYPE(PERIPHC_75h, CLOCK_TYPE_NONE),
297
TYPE(PERIPHC_VI_SENSOR2, CLOCK_TYPE_NONE),
298
TYPE(PERIPHC_I2C6, CLOCK_TYPE_PC2CC3M_T16),
301
TYPE(PERIPHC_78h, CLOCK_TYPE_NONE),
302
TYPE(PERIPHC_EMC_DLL, CLOCK_TYPE_MCPTM2C2C3),
303
TYPE(PERIPHC_HDMI_AUDIO, CLOCK_TYPE_NONE),
304
TYPE(PERIPHC_CLK72MHZ, CLOCK_TYPE_NONE),
305
TYPE(PERIPHC_ADX1, CLOCK_TYPE_AC2CC3P_TS2),
306
TYPE(PERIPHC_AMX1, CLOCK_TYPE_AC2CC3P_TS2),
307
TYPE(PERIPHC_VIC, CLOCK_TYPE_NONE),
308
TYPE(PERIPHC_7Fh, CLOCK_TYPE_NONE),
312
* This array translates a periph_id to a periphc_internal_id
314
* Not present/matched up:
315
* uint vi_sensor; _VI_SENSOR_0, 0x1A8
316
* SPDIF - which is both 0x08 and 0x0c
319
#define NONE(name) (-1)
320
#define OFFSET(name, value) PERIPHC_ ## name
321
static s8 periph_id_to_internal_id[PERIPH_ID_COUNT] = {
330
PERIPHC_UART2, /* and vfir 0x68 */
362
/* Middle word: 63:32 */
374
PERIPHC_SBC1, /* SBCx = SPIx */
402
/* Upper word 95:64 */
564
* Get the oscillator frequency, from the corresponding hardware configuration
565
* field. Note that Tegra30+ support 3 new higher freqs, but we map back
566
* to the old T20 freqs. Support for the higher oscillators is TBD.
568
enum clock_osc_freq clock_get_osc_freq(void)
570
struct clk_rst_ctlr *clkrst =
571
(struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
574
reg = readl(&clkrst->crc_osc_ctrl);
575
reg = (reg & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT;
577
if (reg & 1) /* one of the newer freqs */
578
printf("Warning: OSC_FREQ is unsupported! (%d)\n", reg);
580
return reg >> 2; /* Map to most common (T20) freqs */
583
/* Returns a pointer to the clock source register for a peripheral */
584
u32 *get_periph_source_reg(enum periph_id periph_id)
586
struct clk_rst_ctlr *clkrst =
587
(struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
588
enum periphc_internal_id internal_id;
590
/* Coresight is a special case */
591
if (periph_id == PERIPH_ID_CSI)
592
return &clkrst->crc_clk_src[PERIPH_ID_CSI+1];
594
assert(periph_id >= PERIPH_ID_FIRST && periph_id < PERIPH_ID_COUNT);
595
internal_id = periph_id_to_internal_id[periph_id];
596
assert(internal_id != -1);
597
if (internal_id >= PERIPHC_VW_FIRST) {
598
internal_id -= PERIPHC_VW_FIRST;
599
return &clkrst->crc_clk_src_vw[internal_id];
601
return &clkrst->crc_clk_src[internal_id];
606
* Given a peripheral ID and the required source clock, this returns which
607
* value should be programmed into the source mux for that peripheral.
609
* There is special code here to handle the one source type with 5 sources.
611
* @param periph_id peripheral to start
612
* @param source PLL id of required parent clock
613
* @param mux_bits Set to number of bits in mux register: 2 or 4
614
* @param divider_bits Set to number of divider bits (8 or 16)
615
* @return mux value (0-4, or -1 if not found)
617
int get_periph_clock_source(enum periph_id periph_id,
618
enum clock_id parent, int *mux_bits, int *divider_bits)
620
enum clock_type_id type;
621
enum periphc_internal_id internal_id;
624
assert(clock_periph_id_isvalid(periph_id));
626
internal_id = periph_id_to_internal_id[periph_id];
627
assert(periphc_internal_id_isvalid(internal_id));
629
type = clock_periph_type[internal_id];
630
assert(clock_type_id_isvalid(type));
632
*mux_bits = clock_source[type][CLOCK_MAX_MUX];
634
if (type == CLOCK_TYPE_PC2CC3M_T16)
639
for (mux = 0; mux < CLOCK_MAX_MUX; mux++)
640
if (clock_source[type][mux] == parent)
643
/* if we get here, either us or the caller has made a mistake */
644
printf("Caller requested bad clock: periph=%d, parent=%d\n", periph_id,
649
void clock_set_enable(enum periph_id periph_id, int enable)
651
struct clk_rst_ctlr *clkrst =
652
(struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
656
/* Enable/disable the clock to this peripheral */
657
assert(clock_periph_id_isvalid(periph_id));
658
if ((int)periph_id < (int)PERIPH_ID_VW_FIRST)
659
clk = &clkrst->crc_clk_out_enb[PERIPH_REG(periph_id)];
661
clk = &clkrst->crc_clk_out_enb_vw[PERIPH_REG(periph_id)];
664
reg |= PERIPH_MASK(periph_id);
666
reg &= ~PERIPH_MASK(periph_id);
670
void reset_set_enable(enum periph_id periph_id, int enable)
672
struct clk_rst_ctlr *clkrst =
673
(struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
677
/* Enable/disable reset to the peripheral */
678
assert(clock_periph_id_isvalid(periph_id));
679
if (periph_id < PERIPH_ID_VW_FIRST)
680
reset = &clkrst->crc_rst_dev[PERIPH_REG(periph_id)];
682
reset = &clkrst->crc_rst_dev_vw[PERIPH_REG(periph_id)];
685
reg |= PERIPH_MASK(periph_id);
687
reg &= ~PERIPH_MASK(periph_id);
691
#ifdef CONFIG_OF_CONTROL
693
* Convert a device tree clock ID to our peripheral ID. They are mostly
694
* the same but we are very cautious so we check that a valid clock ID is
697
* @param clk_id Clock ID according to tegra124 device tree binding
698
* @return peripheral ID, or PERIPH_ID_NONE if the clock ID is invalid
700
enum periph_id clk_id_to_periph_id(int clk_id)
702
if (clk_id > PERIPH_ID_COUNT)
703
return PERIPH_ID_NONE;
706
case PERIPH_ID_RESERVED4:
707
case PERIPH_ID_RESERVED25:
708
case PERIPH_ID_RESERVED35:
709
case PERIPH_ID_RESERVED36:
710
case PERIPH_ID_RESERVED38:
711
case PERIPH_ID_RESERVED43:
712
case PERIPH_ID_RESERVED49:
713
case PERIPH_ID_RESERVED53:
714
case PERIPH_ID_RESERVED64:
715
case PERIPH_ID_RESERVED84:
716
case PERIPH_ID_RESERVED85:
717
case PERIPH_ID_RESERVED86:
718
case PERIPH_ID_RESERVED88:
719
case PERIPH_ID_RESERVED90:
720
case PERIPH_ID_RESERVED92:
721
case PERIPH_ID_RESERVED93:
722
case PERIPH_ID_RESERVED94:
723
case PERIPH_ID_V_RESERVED2:
724
case PERIPH_ID_V_RESERVED4:
725
case PERIPH_ID_V_RESERVED17:
726
case PERIPH_ID_V_RESERVED18:
727
case PERIPH_ID_V_RESERVED19:
728
case PERIPH_ID_V_RESERVED20:
729
case PERIPH_ID_V_RESERVED21:
730
case PERIPH_ID_V_RESERVED22:
731
case PERIPH_ID_W_RESERVED2:
732
case PERIPH_ID_W_RESERVED3:
733
case PERIPH_ID_W_RESERVED4:
734
case PERIPH_ID_W_RESERVED5:
735
case PERIPH_ID_W_RESERVED6:
736
case PERIPH_ID_W_RESERVED7:
737
case PERIPH_ID_W_RESERVED9:
738
case PERIPH_ID_W_RESERVED10:
739
case PERIPH_ID_W_RESERVED11:
740
case PERIPH_ID_W_RESERVED12:
741
case PERIPH_ID_W_RESERVED13:
742
case PERIPH_ID_W_RESERVED15:
743
case PERIPH_ID_W_RESERVED16:
744
case PERIPH_ID_W_RESERVED17:
745
case PERIPH_ID_W_RESERVED18:
746
case PERIPH_ID_W_RESERVED19:
747
case PERIPH_ID_W_RESERVED20:
748
case PERIPH_ID_W_RESERVED23:
749
case PERIPH_ID_W_RESERVED29:
750
case PERIPH_ID_W_RESERVED30:
751
case PERIPH_ID_W_RESERVED31:
752
return PERIPH_ID_NONE;
757
#endif /* CONFIG_OF_CONTROL */
759
void clock_early_init(void)
761
struct clk_rst_ctlr *clkrst =
762
(struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
764
tegra30_set_up_pllp();
767
* PLLC output frequency set to 600Mhz
768
* PLLD output frequency set to 925Mhz
770
switch (clock_get_osc_freq()) {
771
case CLOCK_OSC_FREQ_12_0: /* OSC is 12Mhz */
772
clock_set_rate(CLOCK_ID_CGENERAL, 600, 12, 0, 8);
773
clock_set_rate(CLOCK_ID_DISPLAY, 925, 12, 0, 12);
776
case CLOCK_OSC_FREQ_26_0: /* OSC is 26Mhz */
777
clock_set_rate(CLOCK_ID_CGENERAL, 600, 26, 0, 8);
778
clock_set_rate(CLOCK_ID_DISPLAY, 925, 26, 0, 12);
781
case CLOCK_OSC_FREQ_13_0: /* OSC is 13Mhz */
782
clock_set_rate(CLOCK_ID_CGENERAL, 600, 13, 0, 8);
783
clock_set_rate(CLOCK_ID_DISPLAY, 925, 13, 0, 12);
785
case CLOCK_OSC_FREQ_19_2:
788
* These are not supported. It is too early to print a
789
* message and the UART likely won't work anyway due to the
790
* oscillator being wrong.
795
/* PLLC_MISC2: Set dynramp_stepA/B. MISC2 maps to pll_out[1] */
796
writel(0x00561600, &clkrst->crc_pll[CLOCK_ID_CGENERAL].pll_out[1]);
798
/* PLLC_MISC: Set LOCK_ENABLE */
799
writel(0x01000000, &clkrst->crc_pll[CLOCK_ID_CGENERAL].pll_misc);
802
/* PLLD_MISC: Set CLKENABLE, CPCON 12, LFCON 1 */
803
writel(0x40000C10, &clkrst->crc_pll[CLOCK_ID_DISPLAY].pll_misc);
807
void arch_timer_init(void)
809
struct sysctr_ctlr *sysctr = (struct sysctr_ctlr *)NV_PA_TSC_BASE;
812
freq = clock_get_rate(CLOCK_ID_OSC);
813
debug("%s: osc freq is %dHz [0x%08X]\n", __func__, freq, freq);
816
asm("mcr p15, 0, %0, c14, c0, 0\n" : : "r" (freq));
818
/* Only Tegra114+ has the System Counter regs */
819
debug("%s: setting CNTFID0 to 0x%08X\n", __func__, freq);
820
writel(freq, &sysctr->cntfid0);
822
val = readl(&sysctr->cntcr);
823
val |= TSC_CNTCR_ENABLE | TSC_CNTCR_HDBG;
824
writel(val, &sysctr->cntcr);
825
debug("%s: TSC CNTCR = 0x%08X\n", __func__, val);