1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2009-2012 Freescale Semiconductor, Inc.
10 #include <linux/compiler.h>
12 #include <asm/processor.h>
13 #include <asm/cache.h>
14 #include <asm/immap_85xx.h>
15 #include <asm/fsl_law.h>
16 #include <asm/fsl_serdes.h>
17 #include <asm/fsl_liodn.h>
20 #include "../common/qixis.h"
21 #include "../common/vsc3316_3308.h"
23 #include "t4240qds_qixis.h"
25 DECLARE_GLOBAL_DATA_PTR;
27 static int8_t vsc3316_fsm1_tx[8][2] = { {0, 0}, {1, 1}, {6, 6}, {7, 7},
28 {8, 8}, {9, 9}, {14, 14}, {15, 15} };
30 static int8_t vsc3316_fsm2_tx[8][2] = { {2, 2}, {3, 3}, {4, 4}, {5, 5},
31 {10, 10}, {11, 11}, {12, 12}, {13, 13} };
33 static int8_t vsc3316_fsm1_rx[8][2] = { {2, 12}, {3, 13}, {4, 5}, {5, 4},
34 {10, 11}, {11, 10}, {12, 2}, {13, 3} };
36 static int8_t vsc3316_fsm2_rx[8][2] = { {0, 15}, {1, 14}, {6, 7}, {7, 6},
37 {8, 9}, {9, 8}, {14, 1}, {15, 0} };
43 struct cpu_type *cpu = gd->arch.cpu;
46 printf("Board: %sQDS, ", cpu->name);
47 printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, ",
48 QIXIS_READ(id), QIXIS_READ(arch));
50 sw = QIXIS_READ(brdcfg[0]);
51 sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
54 printf("vBank: %d\n", sw);
60 printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
62 printf("FPGA: v%d (%s), build %d",
63 (int)QIXIS_READ(scver), qixis_read_tag(buf),
64 (int)qixis_read_minor());
65 /* the timestamp string contains "\n" at the end */
66 printf(" on %s", qixis_read_time(buf));
69 * Display the actual SERDES reference clocks as configured by the
70 * dip switches on the board. Note that the SWx registers could
71 * technically be set to force the reference clocks to match the
72 * values that the SERDES expects (or vice versa). For now, however,
73 * we just display both values and hope the user notices when they
76 puts("SERDES Reference Clocks: ");
77 sw = QIXIS_READ(brdcfg[2]);
78 for (i = 0; i < MAX_SERDES; i++) {
79 static const char * const freq[] = {
80 "100", "125", "156.25", "161.1328125"};
81 unsigned int clock = (sw >> (6 - 2 * i)) & 3;
83 printf("SERDES%u=%sMHz ", i+1, freq[clock]);
90 int select_i2c_ch_pca9547(u8 ch)
94 ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
96 puts("PCA: failed to select proper channel\n");
104 * read_voltage from sensor on I2C bus
105 * We use average of 4 readings, waiting for 532us befor another reading
107 #define NUM_READINGS 4 /* prefer to be power of 2 for efficiency */
108 #define WAIT_FOR_ADC 532 /* wait for 532 microseconds for ADC */
110 static inline int read_voltage(void)
112 int i, ret, voltage_read = 0;
115 for (i = 0; i < NUM_READINGS; i++) {
116 ret = i2c_read(I2C_VOL_MONITOR_ADDR,
117 I2C_VOL_MONITOR_BUS_V_OFFSET, 1, (void *)&vol_mon, 2);
119 printf("VID: failed to read core voltage\n");
122 if (vol_mon & I2C_VOL_MONITOR_BUS_V_OVF) {
123 printf("VID: Core voltage sensor error\n");
126 debug("VID: bus voltage reads 0x%04x\n", vol_mon);
128 voltage_read += (vol_mon >> I2C_VOL_MONITOR_BUS_V_SHIFT) * 4;
129 udelay(WAIT_FOR_ADC);
131 /* calculate the average */
132 voltage_read /= NUM_READINGS;
138 * We need to calculate how long before the voltage starts to drop or increase
139 * It returns with the loop count. Each loop takes several readings (532us)
141 static inline int wait_for_voltage_change(int vdd_last)
143 int timeout, vdd_current;
145 vdd_current = read_voltage();
146 /* wait until voltage starts to drop */
147 for (timeout = 0; abs(vdd_last - vdd_current) <= 4 &&
148 timeout < 100; timeout++) {
149 vdd_current = read_voltage();
151 if (timeout >= 100) {
152 printf("VID: Voltage adjustment timeout\n");
159 * argument 'wait' is the time we know the voltage difference can be measured
160 * this function keeps reading the voltage until it is stable
162 static inline int wait_for_voltage_stable(int wait)
164 int timeout, vdd_current, vdd_last;
166 vdd_last = read_voltage();
167 udelay(wait * NUM_READINGS * WAIT_FOR_ADC);
168 /* wait until voltage is stable */
169 vdd_current = read_voltage();
170 for (timeout = 0; abs(vdd_last - vdd_current) >= 4 &&
171 timeout < 100; timeout++) {
172 vdd_last = vdd_current;
173 udelay(wait * NUM_READINGS * WAIT_FOR_ADC);
174 vdd_current = read_voltage();
176 if (timeout >= 100) {
177 printf("VID: Voltage adjustment timeout\n");
184 static inline int set_voltage(u8 vid)
188 vdd_last = read_voltage();
189 QIXIS_WRITE(brdcfg[6], vid);
190 wait = wait_for_voltage_change(vdd_last);
193 debug("VID: Waited %d us\n", wait * NUM_READINGS * WAIT_FOR_ADC);
194 wait = wait ? wait : 1;
196 vdd_last = wait_for_voltage_stable(wait);
199 debug("VID: Current voltage is %d mV\n", vdd_last);
205 static int adjust_vdd(ulong vdd_override)
207 int re_enable = disable_interrupts();
208 ccsr_gur_t __iomem *gur =
209 (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
212 int vdd_target, vdd_current, vdd_last;
214 unsigned long vdd_string_override;
216 static const uint16_t vdd[32] = {
249 ret = select_i2c_ch_pca9547(I2C_MUX_CH_VOL_MONITOR);
251 debug("VID: I2c failed to switch channel\n");
256 /* get the voltage ID from fuse status register */
257 fusesr = in_be32(&gur->dcfg_fusesr);
258 vid = (fusesr >> FSL_CORENET_DCFG_FUSESR_VID_SHIFT) &
259 FSL_CORENET_DCFG_FUSESR_VID_MASK;
260 if (vid == FSL_CORENET_DCFG_FUSESR_VID_MASK) {
261 vid = (fusesr >> FSL_CORENET_DCFG_FUSESR_ALTVID_SHIFT) &
262 FSL_CORENET_DCFG_FUSESR_ALTVID_MASK;
264 vdd_target = vdd[vid];
266 /* check override variable for overriding VDD */
267 vdd_string = env_get("t4240qds_vdd_mv");
268 if (vdd_override == 0 && vdd_string &&
269 !strict_strtoul(vdd_string, 10, &vdd_string_override))
270 vdd_override = vdd_string_override;
271 if (vdd_override >= 819 && vdd_override <= 1212) {
272 vdd_target = vdd_override * 10; /* convert to 1/10 mV */
273 debug("VDD override is %lu\n", vdd_override);
274 } else if (vdd_override != 0) {
275 printf("Invalid value.\n");
278 if (vdd_target == 0) {
279 debug("VID: VID not used\n");
283 /* round up and divice by 10 to get a value in mV */
284 vdd_target = DIV_ROUND_UP(vdd_target, 10);
285 debug("VID: vid = %d mV\n", vdd_target);
289 * Check current board VID setting
290 * Voltage regulator support output to 6.250mv step
291 * The highes voltage allowed for this board is (vid=0x40) 1.21250V
292 * the lowest is (vid=0x7f) 0.81875V
294 vid_current = QIXIS_READ(brdcfg[6]);
295 vdd_current = 121250 - (vid_current - 0x40) * 625;
296 debug("VID: Current vid setting is (0x%x) %d mV\n",
297 vid_current, vdd_current/100);
300 * Read voltage monitor to check real voltage.
301 * Voltage monitor LSB is 4mv.
303 vdd_last = read_voltage();
305 printf("VID: Could not read voltage sensor abort VID adjustment\n");
309 debug("VID: Core voltage is at %d mV\n", vdd_last);
311 * Adjust voltage to at or 8mV above target.
312 * Each step of adjustment is 6.25mV.
313 * Stepping down too fast may cause over current.
315 while (vdd_last > 0 && vid_current < 0x80 &&
316 vdd_last > (vdd_target + 8)) {
318 vdd_last = set_voltage(vid_current);
321 * Check if we need to step up
322 * This happens when board voltage switch was set too low
324 while (vdd_last > 0 && vid_current >= 0x40 &&
325 vdd_last < vdd_target + 2) {
327 vdd_last = set_voltage(vid_current);
330 printf("VID: Core voltage %d mV\n", vdd_last);
340 /* Configure Crossbar switches for Front-Side SerDes Ports */
341 int config_frontside_crossbar_vsc3316(void)
343 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
344 u32 srds_prtcl_s1, srds_prtcl_s2;
347 ret = select_i2c_ch_pca9547(I2C_MUX_CH_VSC3316_FS);
351 srds_prtcl_s1 = in_be32(&gur->rcwsr[4]) &
352 FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
353 srds_prtcl_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
354 switch (srds_prtcl_s1) {
357 /* swap first lane and third lane on slot1 */
358 vsc3316_fsm1_tx[0][1] = 14;
359 vsc3316_fsm1_tx[6][1] = 0;
360 vsc3316_fsm1_rx[1][1] = 2;
361 vsc3316_fsm1_rx[6][1] = 13;
368 /* swap first lane and third lane on slot2 */
369 vsc3316_fsm1_tx[2][1] = 8;
370 vsc3316_fsm1_tx[4][1] = 6;
371 vsc3316_fsm1_rx[2][1] = 10;
372 vsc3316_fsm1_rx[5][1] = 5;
374 ret = vsc3316_config(VSC3316_FSM_TX_ADDR, vsc3316_fsm1_tx, 8);
377 ret = vsc3316_config(VSC3316_FSM_RX_ADDR, vsc3316_fsm1_rx, 8);
383 srds_prtcl_s2 = in_be32(&gur->rcwsr[4]) &
384 FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
385 srds_prtcl_s2 >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
386 switch (srds_prtcl_s2) {
389 /* swap first lane and third lane on slot3 */
390 vsc3316_fsm2_tx[2][1] = 11;
391 vsc3316_fsm2_tx[5][1] = 4;
392 vsc3316_fsm2_rx[2][1] = 9;
393 vsc3316_fsm2_rx[4][1] = 7;
406 /* swap first lane and third lane on slot4 */
407 vsc3316_fsm2_tx[6][1] = 3;
408 vsc3316_fsm2_tx[1][1] = 12;
409 vsc3316_fsm2_rx[0][1] = 1;
410 vsc3316_fsm2_rx[6][1] = 15;
412 ret = vsc3316_config(VSC3316_FSM_TX_ADDR, vsc3316_fsm2_tx, 8);
415 ret = vsc3316_config(VSC3316_FSM_RX_ADDR, vsc3316_fsm2_rx, 8);
424 int config_backside_crossbar_mux(void)
426 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
427 u32 srds_prtcl_s3, srds_prtcl_s4;
430 srds_prtcl_s3 = in_be32(&gur->rcwsr[4]) &
431 FSL_CORENET2_RCWSR4_SRDS3_PRTCL;
432 srds_prtcl_s3 >>= FSL_CORENET2_RCWSR4_SRDS3_PRTCL_SHIFT;
433 switch (srds_prtcl_s3) {
435 /* SerDes3 is not enabled */
441 /* SD3(0:7) => SLOT5(0:7) */
442 brdcfg = QIXIS_READ(brdcfg[12]);
443 brdcfg &= ~BRDCFG12_SD3MX_MASK;
444 brdcfg |= BRDCFG12_SD3MX_SLOT5;
445 QIXIS_WRITE(brdcfg[12], brdcfg);
463 /* SD3(4:7) => SLOT6(0:3) */
464 brdcfg = QIXIS_READ(brdcfg[12]);
465 brdcfg &= ~BRDCFG12_SD3MX_MASK;
466 brdcfg |= BRDCFG12_SD3MX_SLOT6;
467 QIXIS_WRITE(brdcfg[12], brdcfg);
470 printf("WARNING: unsupported for SerDes3 Protocol %d\n",
475 srds_prtcl_s4 = in_be32(&gur->rcwsr[4]) &
476 FSL_CORENET2_RCWSR4_SRDS4_PRTCL;
477 srds_prtcl_s4 >>= FSL_CORENET2_RCWSR4_SRDS4_PRTCL_SHIFT;
478 switch (srds_prtcl_s4) {
480 /* SerDes4 is not enabled */
484 /* 10b, SD4(0:7) => SLOT7(0:7) */
485 brdcfg = QIXIS_READ(brdcfg[12]);
486 brdcfg &= ~BRDCFG12_SD4MX_MASK;
487 brdcfg |= BRDCFG12_SD4MX_SLOT7;
488 QIXIS_WRITE(brdcfg[12], brdcfg);
496 /* x1b, SD4(4:7) => SLOT8(0:3) */
497 brdcfg = QIXIS_READ(brdcfg[12]);
498 brdcfg &= ~BRDCFG12_SD4MX_MASK;
499 brdcfg |= BRDCFG12_SD4MX_SLOT8;
500 QIXIS_WRITE(brdcfg[12], brdcfg);
511 /* 00b, SD4(4:5) => AURORA, SD4(6:7) => SATA */
512 brdcfg = QIXIS_READ(brdcfg[12]);
513 brdcfg &= ~BRDCFG12_SD4MX_MASK;
514 brdcfg |= BRDCFG12_SD4MX_AURO_SATA;
515 QIXIS_WRITE(brdcfg[12], brdcfg);
518 printf("WARNING: unsupported for SerDes4 Protocol %d\n",
526 int board_early_init_r(void)
528 const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
529 int flash_esel = find_tlb_idx((void *)flashbase, 1);
532 * Remap Boot flash + PROMJET region to caching-inhibited
533 * so that flash can be erased properly.
536 /* Flush d-cache and invalidate i-cache of any FLASH data */
540 if (flash_esel == -1) {
541 /* very unlikely unless something is messed up */
542 puts("Error: Could not find TLB for FLASH BASE\n");
543 flash_esel = 2; /* give our best effort to continue */
545 /* invalidate existing TLB entry for flash + promjet */
546 disable_tlb(flash_esel);
549 set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
550 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
551 0, flash_esel, BOOKE_PAGESZ_256M, 1);
553 /* Disable remote I2C connection to qixis fpga */
554 QIXIS_WRITE(brdcfg[5], QIXIS_READ(brdcfg[5]) & ~BRDCFG5_IRE);
557 * Adjust core voltage according to voltage ID
558 * This function changes I2C mux to channel 2.
561 printf("Warning: Adjusting core voltage failed.\n");
563 /* Configure board SERDES ports crossbar */
564 config_frontside_crossbar_vsc3316();
565 config_backside_crossbar_mux();
566 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
571 unsigned long get_board_sys_clk(void)
573 u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
574 #ifdef CONFIG_FSL_QIXIS_CLOCK_MEASUREMENT
575 /* use accurate clock measurement */
576 int freq = QIXIS_READ(clk_freq[0]) << 8 | QIXIS_READ(clk_freq[1]);
577 int base = QIXIS_READ(clk_base[0]) << 8 | QIXIS_READ(clk_base[1]);
582 debug("SYS Clock measurement is: %d\n", val);
585 printf("Warning: SYS clock measurement is invalid, using value from brdcfg1.\n");
589 switch (sysclk_conf & 0x0F) {
590 case QIXIS_SYSCLK_83:
592 case QIXIS_SYSCLK_100:
594 case QIXIS_SYSCLK_125:
596 case QIXIS_SYSCLK_133:
598 case QIXIS_SYSCLK_150:
600 case QIXIS_SYSCLK_160:
602 case QIXIS_SYSCLK_166:
608 unsigned long get_board_ddr_clk(void)
610 u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
611 #ifdef CONFIG_FSL_QIXIS_CLOCK_MEASUREMENT
612 /* use accurate clock measurement */
613 int freq = QIXIS_READ(clk_freq[2]) << 8 | QIXIS_READ(clk_freq[3]);
614 int base = QIXIS_READ(clk_base[0]) << 8 | QIXIS_READ(clk_base[1]);
619 debug("DDR Clock measurement is: %d\n", val);
622 printf("Warning: DDR clock measurement is invalid, using value from brdcfg1.\n");
626 switch ((ddrclk_conf & 0x30) >> 4) {
627 case QIXIS_DDRCLK_100:
629 case QIXIS_DDRCLK_125:
631 case QIXIS_DDRCLK_133:
637 int misc_init_r(void)
640 void *srds_base = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
641 serdes_corenet_t *srds_regs;
642 u32 actual[MAX_SERDES];
643 u32 pllcr0, expected;
646 sw = QIXIS_READ(brdcfg[2]);
647 for (i = 0; i < MAX_SERDES; i++) {
648 unsigned int clock = (sw >> (6 - 2 * i)) & 3;
651 actual[i] = SRDS_PLLCR0_RFCK_SEL_100;
654 actual[i] = SRDS_PLLCR0_RFCK_SEL_125;
657 actual[i] = SRDS_PLLCR0_RFCK_SEL_156_25;
660 actual[i] = SRDS_PLLCR0_RFCK_SEL_161_13;
665 for (i = 0; i < MAX_SERDES; i++) {
666 srds_regs = srds_base + i * 0x1000;
667 pllcr0 = srds_regs->bank[0].pllcr0;
668 expected = pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK;
669 if (expected != actual[i]) {
670 printf("Warning: SERDES%u expects reference clock %sMHz, but actual is %sMHz\n",
671 i + 1, serdes_clock_to_string(expected),
672 serdes_clock_to_string(actual[i]));
679 int ft_board_setup(void *blob, bd_t *bd)
684 ft_cpu_setup(blob, bd);
686 base = env_get_bootm_low();
687 size = env_get_bootm_size();
689 fdt_fixup_memory(blob, (u64)base, (u64)size);
692 pci_of_setup(blob, bd);
695 fdt_fixup_liodn(blob);
696 fsl_fdt_fixup_dr_usb(blob, bd);
698 #ifdef CONFIG_SYS_DPAA_FMAN
699 fdt_fixup_fman_ethernet(blob);
700 fdt_fixup_board_enet(blob);
707 * This function is called by bdinfo to print detail board information.
708 * As an exmaple for future board, we organize the messages into
709 * several sections. If applicable, the message is in the format of
711 * It should aligned with normal output of bdinfo command.
713 * Voltage: Core, DDR and another configurable voltages
714 * Clock : Critical clocks which are not printed already
715 * RCW : RCW source if not printed already
716 * Misc : Other important information not in above catagories
718 void board_detail(void)
721 u8 brdcfg[16], dutcfg[16], rst_ctl;
723 static const char * const clk[] = {"66.67", "100", "125", "133.33"};
725 for (i = 0; i < 16; i++) {
726 brdcfg[i] = qixis_read(offsetof(struct qixis, brdcfg[0]) + i);
727 dutcfg[i] = qixis_read(offsetof(struct qixis, dutcfg[0]) + i);
731 if (!select_i2c_ch_pca9547(I2C_MUX_CH_VOL_MONITOR)) {
732 vdd = read_voltage();
734 printf("Core voltage= %d mV\n", vdd);
735 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
738 printf("XVDD = 1.%d V\n", ((brdcfg[8] & 0xf) - 4) * 5 + 25);
741 printf("SYSCLK = %s MHz\nDDRCLK = %s MHz\n",
742 clk[(brdcfg[11] >> 2) & 0x3], clk[brdcfg[11] & 3]);
745 rcwsrc = (dutcfg[0] << 1) + (dutcfg[1] & 1);
746 puts("RCW source = ");
754 puts("16-bit NOR\n");
760 puts("SPI 16-bit addressing\n");
763 puts("SPI 24-bit addressing\n");
766 puts("I2C normal addressing\n");
769 puts("I2C extended addressing\n");
775 puts("8-bit NAND, 2KB\n");
778 if ((rcwsrc >= 0x080) && (rcwsrc <= 0x09f))
779 puts("Hard-coded RCW\n");
780 else if ((rcwsrc >= 0x110) && (rcwsrc <= 0x11f))
781 puts("8-bit NAND, 4KB\n");
788 rst_ctl = QIXIS_READ(rst_ctl);
789 puts("HRESET_REQ = ");
790 switch (rst_ctl & 0x30) {
795 puts("Assert HRESET\n");
798 puts("Reset system\n");
807 * Reverse engineering switch settings.
808 * Some bits cannot be figured out. They will be displayed as
809 * underscore in binary format. mask[] has those bits.
810 * Some bits are calculated differently than the actual switches
811 * if booting with overriding by FPGA.
813 void qixis_dump_switch(void)
819 * Any bit with 1 means that bit cannot be reverse engineered.
820 * It will be displayed as _ in binary format.
822 static const u8 mask[] = {0, 0, 0, 0, 0, 0x1, 0xcf, 0x3f, 0x1f};
824 u8 brdcfg[16], dutcfg[16];
826 for (i = 0; i < 16; i++) {
827 brdcfg[i] = qixis_read(offsetof(struct qixis, brdcfg[0]) + i);
828 dutcfg[i] = qixis_read(offsetof(struct qixis, dutcfg[0]) + i);
832 sw[1] = (dutcfg[1] << 0x07) |
833 ((dutcfg[12] & 0xC0) >> 1) |
834 ((dutcfg[11] & 0xE0) >> 3) |
835 ((dutcfg[6] & 0x80) >> 6) |
836 ((dutcfg[1] & 0x80) >> 7);
837 sw[2] = ((brdcfg[1] & 0x0f) << 4) |
838 ((brdcfg[1] & 0x30) >> 2) |
839 ((brdcfg[1] & 0x40) >> 5) |
840 ((brdcfg[1] & 0x80) >> 7);
842 sw[4] = ((dutcfg[2] & 0x01) << 7) |
843 ((dutcfg[2] & 0x06) << 4) |
844 ((~QIXIS_READ(present)) & 0x10) |
845 ((brdcfg[3] & 0x80) >> 4) |
846 ((brdcfg[3] & 0x01) << 2) |
847 ((brdcfg[6] == 0x62) ? 3 :
848 ((brdcfg[6] == 0x5a) ? 2 :
849 ((brdcfg[6] == 0x5e) ? 1 : 0)));
850 sw[5] = ((brdcfg[0] & 0x0f) << 4) |
851 ((QIXIS_READ(rst_ctl) & 0x30) >> 2) |
852 ((brdcfg[0] & 0x40) >> 5);
853 sw[6] = (brdcfg[11] & 0x20) |
854 ((brdcfg[5] & 0x02) << 3);
855 sw[7] = (((~QIXIS_READ(rst_ctl)) & 0x40) << 1) |
856 ((brdcfg[5] & 0x10) << 2);
857 sw[8] = ((brdcfg[12] & 0x08) << 4) |
858 ((brdcfg[12] & 0x03) << 5);
860 puts("DIP switch (reverse-engineering)\n");
861 for (i = 0; i < 9; i++) {
862 printf("SW%d = 0b%s (0x%02x)\n",
863 i + 1, byte_to_binary_mask(sw[i], mask[i], buf), sw[i]);
867 static int do_vdd_adjust(cmd_tbl_t *cmdtp,
874 return CMD_RET_USAGE;
875 if (!strict_strtoul(argv[1], 10, &override))
876 adjust_vdd(override); /* the value is checked by callee */
878 return CMD_RET_USAGE;
884 vdd_override, 2, 0, do_vdd_adjust,
886 "- override with the voltage specified in mV, eg. 1050"