2 * Copyright 2009-2012 Freescale Semiconductor, Inc.
4 * SPDX-License-Identifier: GPL-2.0+
11 #include <linux/compiler.h>
13 #include <asm/processor.h>
14 #include <asm/cache.h>
15 #include <asm/immap_85xx.h>
16 #include <asm/fsl_law.h>
17 #include <asm/fsl_serdes.h>
18 #include <asm/fsl_liodn.h>
21 #include "../common/qixis.h"
22 #include "../common/vsc3316_3308.h"
24 #include "t4240qds_qixis.h"
26 DECLARE_GLOBAL_DATA_PTR;
28 static int8_t vsc3316_fsm1_tx[8][2] = { {0, 0}, {1, 1}, {6, 6}, {7, 7},
29 {8, 8}, {9, 9}, {14, 14}, {15, 15} };
31 static int8_t vsc3316_fsm2_tx[8][2] = { {2, 2}, {3, 3}, {4, 4}, {5, 5},
32 {10, 10}, {11, 11}, {12, 12}, {13, 13} };
34 static int8_t vsc3316_fsm1_rx[8][2] = { {2, 12}, {3, 13}, {4, 5}, {5, 4},
35 {10, 11}, {11, 10}, {12, 2}, {13, 3} };
37 static int8_t vsc3316_fsm2_rx[8][2] = { {0, 15}, {1, 14}, {6, 7}, {7, 6},
38 {8, 9}, {9, 8}, {14, 1}, {15, 0} };
44 struct cpu_type *cpu = gd->arch.cpu;
47 printf("Board: %sQDS, ", cpu->name);
48 printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, ",
49 QIXIS_READ(id), QIXIS_READ(arch));
51 sw = QIXIS_READ(brdcfg[0]);
52 sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
55 printf("vBank: %d\n", sw);
61 printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
63 printf("FPGA: v%d (%s), build %d",
64 (int)QIXIS_READ(scver), qixis_read_tag(buf),
65 (int)qixis_read_minor());
66 /* the timestamp string contains "\n" at the end */
67 printf(" on %s", qixis_read_time(buf));
70 * Display the actual SERDES reference clocks as configured by the
71 * dip switches on the board. Note that the SWx registers could
72 * technically be set to force the reference clocks to match the
73 * values that the SERDES expects (or vice versa). For now, however,
74 * we just display both values and hope the user notices when they
77 puts("SERDES Reference Clocks: ");
78 sw = QIXIS_READ(brdcfg[2]);
79 for (i = 0; i < MAX_SERDES; i++) {
80 static const char * const freq[] = {
81 "100", "125", "156.25", "161.1328125"};
82 unsigned int clock = (sw >> (6 - 2 * i)) & 3;
84 printf("SERDES%u=%sMHz ", i+1, freq[clock]);
91 int select_i2c_ch_pca9547(u8 ch)
95 ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
97 puts("PCA: failed to select proper channel\n");
105 * read_voltage from sensor on I2C bus
106 * We use average of 4 readings, waiting for 532us befor another reading
108 #define NUM_READINGS 4 /* prefer to be power of 2 for efficiency */
109 #define WAIT_FOR_ADC 532 /* wait for 532 microseconds for ADC */
111 static inline int read_voltage(void)
113 int i, ret, voltage_read = 0;
116 for (i = 0; i < NUM_READINGS; i++) {
117 ret = i2c_read(I2C_VOL_MONITOR_ADDR,
118 I2C_VOL_MONITOR_BUS_V_OFFSET, 1, (void *)&vol_mon, 2);
120 printf("VID: failed to read core voltage\n");
123 if (vol_mon & I2C_VOL_MONITOR_BUS_V_OVF) {
124 printf("VID: Core voltage sensor error\n");
127 debug("VID: bus voltage reads 0x%04x\n", vol_mon);
129 voltage_read += (vol_mon >> I2C_VOL_MONITOR_BUS_V_SHIFT) * 4;
130 udelay(WAIT_FOR_ADC);
132 /* calculate the average */
133 voltage_read /= NUM_READINGS;
139 * We need to calculate how long before the voltage starts to drop or increase
140 * It returns with the loop count. Each loop takes several readings (532us)
142 static inline int wait_for_voltage_change(int vdd_last)
144 int timeout, vdd_current;
146 vdd_current = read_voltage();
147 /* wait until voltage starts to drop */
148 for (timeout = 0; abs(vdd_last - vdd_current) <= 4 &&
149 timeout < 100; timeout++) {
150 vdd_current = read_voltage();
152 if (timeout >= 100) {
153 printf("VID: Voltage adjustment timeout\n");
160 * argument 'wait' is the time we know the voltage difference can be measured
161 * this function keeps reading the voltage until it is stable
163 static inline int wait_for_voltage_stable(int wait)
165 int timeout, vdd_current, vdd_last;
167 vdd_last = read_voltage();
168 udelay(wait * NUM_READINGS * WAIT_FOR_ADC);
169 /* wait until voltage is stable */
170 vdd_current = read_voltage();
171 for (timeout = 0; abs(vdd_last - vdd_current) >= 4 &&
172 timeout < 100; timeout++) {
173 vdd_last = vdd_current;
174 udelay(wait * NUM_READINGS * WAIT_FOR_ADC);
175 vdd_current = read_voltage();
177 if (timeout >= 100) {
178 printf("VID: Voltage adjustment timeout\n");
185 static inline int set_voltage(u8 vid)
189 vdd_last = read_voltage();
190 QIXIS_WRITE(brdcfg[6], vid);
191 wait = wait_for_voltage_change(vdd_last);
194 debug("VID: Waited %d us\n", wait * NUM_READINGS * WAIT_FOR_ADC);
195 wait = wait ? wait : 1;
197 vdd_last = wait_for_voltage_stable(wait);
200 debug("VID: Current voltage is %d mV\n", vdd_last);
206 static int adjust_vdd(ulong vdd_override)
208 int re_enable = disable_interrupts();
209 ccsr_gur_t __iomem *gur =
210 (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
213 int vdd_target, vdd_current, vdd_last;
215 unsigned long vdd_string_override;
217 static const uint16_t vdd[32] = {
250 ret = select_i2c_ch_pca9547(I2C_MUX_CH_VOL_MONITOR);
252 debug("VID: I2c failed to switch channel\n");
257 /* get the voltage ID from fuse status register */
258 fusesr = in_be32(&gur->dcfg_fusesr);
259 vid = (fusesr >> FSL_CORENET_DCFG_FUSESR_VID_SHIFT) &
260 FSL_CORENET_DCFG_FUSESR_VID_MASK;
261 if (vid == FSL_CORENET_DCFG_FUSESR_VID_MASK) {
262 vid = (fusesr >> FSL_CORENET_DCFG_FUSESR_ALTVID_SHIFT) &
263 FSL_CORENET_DCFG_FUSESR_ALTVID_MASK;
265 vdd_target = vdd[vid];
267 /* check override variable for overriding VDD */
268 vdd_string = env_get("t4240qds_vdd_mv");
269 if (vdd_override == 0 && vdd_string &&
270 !strict_strtoul(vdd_string, 10, &vdd_string_override))
271 vdd_override = vdd_string_override;
272 if (vdd_override >= 819 && vdd_override <= 1212) {
273 vdd_target = vdd_override * 10; /* convert to 1/10 mV */
274 debug("VDD override is %lu\n", vdd_override);
275 } else if (vdd_override != 0) {
276 printf("Invalid value.\n");
279 if (vdd_target == 0) {
280 debug("VID: VID not used\n");
284 /* round up and divice by 10 to get a value in mV */
285 vdd_target = DIV_ROUND_UP(vdd_target, 10);
286 debug("VID: vid = %d mV\n", vdd_target);
290 * Check current board VID setting
291 * Voltage regulator support output to 6.250mv step
292 * The highes voltage allowed for this board is (vid=0x40) 1.21250V
293 * the lowest is (vid=0x7f) 0.81875V
295 vid_current = QIXIS_READ(brdcfg[6]);
296 vdd_current = 121250 - (vid_current - 0x40) * 625;
297 debug("VID: Current vid setting is (0x%x) %d mV\n",
298 vid_current, vdd_current/100);
301 * Read voltage monitor to check real voltage.
302 * Voltage monitor LSB is 4mv.
304 vdd_last = read_voltage();
306 printf("VID: Could not read voltage sensor abort VID adjustment\n");
310 debug("VID: Core voltage is at %d mV\n", vdd_last);
312 * Adjust voltage to at or 8mV above target.
313 * Each step of adjustment is 6.25mV.
314 * Stepping down too fast may cause over current.
316 while (vdd_last > 0 && vid_current < 0x80 &&
317 vdd_last > (vdd_target + 8)) {
319 vdd_last = set_voltage(vid_current);
322 * Check if we need to step up
323 * This happens when board voltage switch was set too low
325 while (vdd_last > 0 && vid_current >= 0x40 &&
326 vdd_last < vdd_target + 2) {
328 vdd_last = set_voltage(vid_current);
331 printf("VID: Core voltage %d mV\n", vdd_last);
341 /* Configure Crossbar switches for Front-Side SerDes Ports */
342 int config_frontside_crossbar_vsc3316(void)
344 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
345 u32 srds_prtcl_s1, srds_prtcl_s2;
348 ret = select_i2c_ch_pca9547(I2C_MUX_CH_VSC3316_FS);
352 srds_prtcl_s1 = in_be32(&gur->rcwsr[4]) &
353 FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
354 srds_prtcl_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
355 switch (srds_prtcl_s1) {
358 /* swap first lane and third lane on slot1 */
359 vsc3316_fsm1_tx[0][1] = 14;
360 vsc3316_fsm1_tx[6][1] = 0;
361 vsc3316_fsm1_rx[1][1] = 2;
362 vsc3316_fsm1_rx[6][1] = 13;
369 /* swap first lane and third lane on slot2 */
370 vsc3316_fsm1_tx[2][1] = 8;
371 vsc3316_fsm1_tx[4][1] = 6;
372 vsc3316_fsm1_rx[2][1] = 10;
373 vsc3316_fsm1_rx[5][1] = 5;
375 ret = vsc3316_config(VSC3316_FSM_TX_ADDR, vsc3316_fsm1_tx, 8);
378 ret = vsc3316_config(VSC3316_FSM_RX_ADDR, vsc3316_fsm1_rx, 8);
384 srds_prtcl_s2 = in_be32(&gur->rcwsr[4]) &
385 FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
386 srds_prtcl_s2 >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
387 switch (srds_prtcl_s2) {
390 /* swap first lane and third lane on slot3 */
391 vsc3316_fsm2_tx[2][1] = 11;
392 vsc3316_fsm2_tx[5][1] = 4;
393 vsc3316_fsm2_rx[2][1] = 9;
394 vsc3316_fsm2_rx[4][1] = 7;
407 /* swap first lane and third lane on slot4 */
408 vsc3316_fsm2_tx[6][1] = 3;
409 vsc3316_fsm2_tx[1][1] = 12;
410 vsc3316_fsm2_rx[0][1] = 1;
411 vsc3316_fsm2_rx[6][1] = 15;
413 ret = vsc3316_config(VSC3316_FSM_TX_ADDR, vsc3316_fsm2_tx, 8);
416 ret = vsc3316_config(VSC3316_FSM_RX_ADDR, vsc3316_fsm2_rx, 8);
425 int config_backside_crossbar_mux(void)
427 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
428 u32 srds_prtcl_s3, srds_prtcl_s4;
431 srds_prtcl_s3 = in_be32(&gur->rcwsr[4]) &
432 FSL_CORENET2_RCWSR4_SRDS3_PRTCL;
433 srds_prtcl_s3 >>= FSL_CORENET2_RCWSR4_SRDS3_PRTCL_SHIFT;
434 switch (srds_prtcl_s3) {
436 /* SerDes3 is not enabled */
442 /* SD3(0:7) => SLOT5(0:7) */
443 brdcfg = QIXIS_READ(brdcfg[12]);
444 brdcfg &= ~BRDCFG12_SD3MX_MASK;
445 brdcfg |= BRDCFG12_SD3MX_SLOT5;
446 QIXIS_WRITE(brdcfg[12], brdcfg);
464 /* SD3(4:7) => SLOT6(0:3) */
465 brdcfg = QIXIS_READ(brdcfg[12]);
466 brdcfg &= ~BRDCFG12_SD3MX_MASK;
467 brdcfg |= BRDCFG12_SD3MX_SLOT6;
468 QIXIS_WRITE(brdcfg[12], brdcfg);
471 printf("WARNING: unsupported for SerDes3 Protocol %d\n",
476 srds_prtcl_s4 = in_be32(&gur->rcwsr[4]) &
477 FSL_CORENET2_RCWSR4_SRDS4_PRTCL;
478 srds_prtcl_s4 >>= FSL_CORENET2_RCWSR4_SRDS4_PRTCL_SHIFT;
479 switch (srds_prtcl_s4) {
481 /* SerDes4 is not enabled */
485 /* 10b, SD4(0:7) => SLOT7(0:7) */
486 brdcfg = QIXIS_READ(brdcfg[12]);
487 brdcfg &= ~BRDCFG12_SD4MX_MASK;
488 brdcfg |= BRDCFG12_SD4MX_SLOT7;
489 QIXIS_WRITE(brdcfg[12], brdcfg);
497 /* x1b, SD4(4:7) => SLOT8(0:3) */
498 brdcfg = QIXIS_READ(brdcfg[12]);
499 brdcfg &= ~BRDCFG12_SD4MX_MASK;
500 brdcfg |= BRDCFG12_SD4MX_SLOT8;
501 QIXIS_WRITE(brdcfg[12], brdcfg);
512 /* 00b, SD4(4:5) => AURORA, SD4(6:7) => SATA */
513 brdcfg = QIXIS_READ(brdcfg[12]);
514 brdcfg &= ~BRDCFG12_SD4MX_MASK;
515 brdcfg |= BRDCFG12_SD4MX_AURO_SATA;
516 QIXIS_WRITE(brdcfg[12], brdcfg);
519 printf("WARNING: unsupported for SerDes4 Protocol %d\n",
527 int board_early_init_r(void)
529 const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
530 int flash_esel = find_tlb_idx((void *)flashbase, 1);
533 * Remap Boot flash + PROMJET region to caching-inhibited
534 * so that flash can be erased properly.
537 /* Flush d-cache and invalidate i-cache of any FLASH data */
541 if (flash_esel == -1) {
542 /* very unlikely unless something is messed up */
543 puts("Error: Could not find TLB for FLASH BASE\n");
544 flash_esel = 2; /* give our best effort to continue */
546 /* invalidate existing TLB entry for flash + promjet */
547 disable_tlb(flash_esel);
550 set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
551 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
552 0, flash_esel, BOOKE_PAGESZ_256M, 1);
554 /* Disable remote I2C connection to qixis fpga */
555 QIXIS_WRITE(brdcfg[5], QIXIS_READ(brdcfg[5]) & ~BRDCFG5_IRE);
558 * Adjust core voltage according to voltage ID
559 * This function changes I2C mux to channel 2.
562 printf("Warning: Adjusting core voltage failed.\n");
564 /* Configure board SERDES ports crossbar */
565 config_frontside_crossbar_vsc3316();
566 config_backside_crossbar_mux();
567 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
572 unsigned long get_board_sys_clk(void)
574 u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
575 #ifdef CONFIG_FSL_QIXIS_CLOCK_MEASUREMENT
576 /* use accurate clock measurement */
577 int freq = QIXIS_READ(clk_freq[0]) << 8 | QIXIS_READ(clk_freq[1]);
578 int base = QIXIS_READ(clk_base[0]) << 8 | QIXIS_READ(clk_base[1]);
583 debug("SYS Clock measurement is: %d\n", val);
586 printf("Warning: SYS clock measurement is invalid, using value from brdcfg1.\n");
590 switch (sysclk_conf & 0x0F) {
591 case QIXIS_SYSCLK_83:
593 case QIXIS_SYSCLK_100:
595 case QIXIS_SYSCLK_125:
597 case QIXIS_SYSCLK_133:
599 case QIXIS_SYSCLK_150:
601 case QIXIS_SYSCLK_160:
603 case QIXIS_SYSCLK_166:
609 unsigned long get_board_ddr_clk(void)
611 u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
612 #ifdef CONFIG_FSL_QIXIS_CLOCK_MEASUREMENT
613 /* use accurate clock measurement */
614 int freq = QIXIS_READ(clk_freq[2]) << 8 | QIXIS_READ(clk_freq[3]);
615 int base = QIXIS_READ(clk_base[0]) << 8 | QIXIS_READ(clk_base[1]);
620 debug("DDR Clock measurement is: %d\n", val);
623 printf("Warning: DDR clock measurement is invalid, using value from brdcfg1.\n");
627 switch ((ddrclk_conf & 0x30) >> 4) {
628 case QIXIS_DDRCLK_100:
630 case QIXIS_DDRCLK_125:
632 case QIXIS_DDRCLK_133:
638 int misc_init_r(void)
641 void *srds_base = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
642 serdes_corenet_t *srds_regs;
643 u32 actual[MAX_SERDES];
644 u32 pllcr0, expected;
647 sw = QIXIS_READ(brdcfg[2]);
648 for (i = 0; i < MAX_SERDES; i++) {
649 unsigned int clock = (sw >> (6 - 2 * i)) & 3;
652 actual[i] = SRDS_PLLCR0_RFCK_SEL_100;
655 actual[i] = SRDS_PLLCR0_RFCK_SEL_125;
658 actual[i] = SRDS_PLLCR0_RFCK_SEL_156_25;
661 actual[i] = SRDS_PLLCR0_RFCK_SEL_161_13;
666 for (i = 0; i < MAX_SERDES; i++) {
667 srds_regs = srds_base + i * 0x1000;
668 pllcr0 = srds_regs->bank[0].pllcr0;
669 expected = pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK;
670 if (expected != actual[i]) {
671 printf("Warning: SERDES%u expects reference clock %sMHz, but actual is %sMHz\n",
672 i + 1, serdes_clock_to_string(expected),
673 serdes_clock_to_string(actual[i]));
680 int ft_board_setup(void *blob, bd_t *bd)
685 ft_cpu_setup(blob, bd);
687 base = env_get_bootm_low();
688 size = env_get_bootm_size();
690 fdt_fixup_memory(blob, (u64)base, (u64)size);
693 pci_of_setup(blob, bd);
696 fdt_fixup_liodn(blob);
697 fsl_fdt_fixup_dr_usb(blob, bd);
699 #ifdef CONFIG_SYS_DPAA_FMAN
700 fdt_fixup_fman_ethernet(blob);
701 fdt_fixup_board_enet(blob);
708 * This function is called by bdinfo to print detail board information.
709 * As an exmaple for future board, we organize the messages into
710 * several sections. If applicable, the message is in the format of
712 * It should aligned with normal output of bdinfo command.
714 * Voltage: Core, DDR and another configurable voltages
715 * Clock : Critical clocks which are not printed already
716 * RCW : RCW source if not printed already
717 * Misc : Other important information not in above catagories
719 void board_detail(void)
722 u8 brdcfg[16], dutcfg[16], rst_ctl;
724 static const char * const clk[] = {"66.67", "100", "125", "133.33"};
726 for (i = 0; i < 16; i++) {
727 brdcfg[i] = qixis_read(offsetof(struct qixis, brdcfg[0]) + i);
728 dutcfg[i] = qixis_read(offsetof(struct qixis, dutcfg[0]) + i);
732 if (!select_i2c_ch_pca9547(I2C_MUX_CH_VOL_MONITOR)) {
733 vdd = read_voltage();
735 printf("Core voltage= %d mV\n", vdd);
736 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
739 printf("XVDD = 1.%d V\n", ((brdcfg[8] & 0xf) - 4) * 5 + 25);
742 printf("SYSCLK = %s MHz\nDDRCLK = %s MHz\n",
743 clk[(brdcfg[11] >> 2) & 0x3], clk[brdcfg[11] & 3]);
746 rcwsrc = (dutcfg[0] << 1) + (dutcfg[1] & 1);
747 puts("RCW source = ");
755 puts("16-bit NOR\n");
761 puts("SPI 16-bit addressing\n");
764 puts("SPI 24-bit addressing\n");
767 puts("I2C normal addressing\n");
770 puts("I2C extended addressing\n");
776 puts("8-bit NAND, 2KB\n");
779 if ((rcwsrc >= 0x080) && (rcwsrc <= 0x09f))
780 puts("Hard-coded RCW\n");
781 else if ((rcwsrc >= 0x110) && (rcwsrc <= 0x11f))
782 puts("8-bit NAND, 4KB\n");
789 rst_ctl = QIXIS_READ(rst_ctl);
790 puts("HRESET_REQ = ");
791 switch (rst_ctl & 0x30) {
796 puts("Assert HRESET\n");
799 puts("Reset system\n");
808 * Reverse engineering switch settings.
809 * Some bits cannot be figured out. They will be displayed as
810 * underscore in binary format. mask[] has those bits.
811 * Some bits are calculated differently than the actual switches
812 * if booting with overriding by FPGA.
814 void qixis_dump_switch(void)
820 * Any bit with 1 means that bit cannot be reverse engineered.
821 * It will be displayed as _ in binary format.
823 static const u8 mask[] = {0, 0, 0, 0, 0, 0x1, 0xcf, 0x3f, 0x1f};
825 u8 brdcfg[16], dutcfg[16];
827 for (i = 0; i < 16; i++) {
828 brdcfg[i] = qixis_read(offsetof(struct qixis, brdcfg[0]) + i);
829 dutcfg[i] = qixis_read(offsetof(struct qixis, dutcfg[0]) + i);
833 sw[1] = (dutcfg[1] << 0x07) |
834 ((dutcfg[12] & 0xC0) >> 1) |
835 ((dutcfg[11] & 0xE0) >> 3) |
836 ((dutcfg[6] & 0x80) >> 6) |
837 ((dutcfg[1] & 0x80) >> 7);
838 sw[2] = ((brdcfg[1] & 0x0f) << 4) |
839 ((brdcfg[1] & 0x30) >> 2) |
840 ((brdcfg[1] & 0x40) >> 5) |
841 ((brdcfg[1] & 0x80) >> 7);
843 sw[4] = ((dutcfg[2] & 0x01) << 7) |
844 ((dutcfg[2] & 0x06) << 4) |
845 ((~QIXIS_READ(present)) & 0x10) |
846 ((brdcfg[3] & 0x80) >> 4) |
847 ((brdcfg[3] & 0x01) << 2) |
848 ((brdcfg[6] == 0x62) ? 3 :
849 ((brdcfg[6] == 0x5a) ? 2 :
850 ((brdcfg[6] == 0x5e) ? 1 : 0)));
851 sw[5] = ((brdcfg[0] & 0x0f) << 4) |
852 ((QIXIS_READ(rst_ctl) & 0x30) >> 2) |
853 ((brdcfg[0] & 0x40) >> 5);
854 sw[6] = (brdcfg[11] & 0x20) |
855 ((brdcfg[5] & 0x02) << 3);
856 sw[7] = (((~QIXIS_READ(rst_ctl)) & 0x40) << 1) |
857 ((brdcfg[5] & 0x10) << 2);
858 sw[8] = ((brdcfg[12] & 0x08) << 4) |
859 ((brdcfg[12] & 0x03) << 5);
861 puts("DIP switch (reverse-engineering)\n");
862 for (i = 0; i < 9; i++) {
863 printf("SW%d = 0b%s (0x%02x)\n",
864 i + 1, byte_to_binary_mask(sw[i], mask[i], buf), sw[i]);
868 static int do_vdd_adjust(cmd_tbl_t *cmdtp,
875 return CMD_RET_USAGE;
876 if (!strict_strtoul(argv[1], 10, &override))
877 adjust_vdd(override); /* the value is checked by callee */
879 return CMD_RET_USAGE;
885 vdd_override, 2, 0, do_vdd_adjust,
887 "- override with the voltage specified in mV, eg. 1050"