1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2009-2012 Freescale Semiconductor, Inc.
9 #include <fdt_support.h>
14 #include <linux/compiler.h>
16 #include <asm/processor.h>
17 #include <asm/cache.h>
18 #include <asm/immap_85xx.h>
19 #include <asm/fsl_law.h>
20 #include <asm/fsl_serdes.h>
21 #include <asm/fsl_liodn.h>
24 #include "../common/qixis.h"
25 #include "../common/vsc3316_3308.h"
27 #include "t4240qds_qixis.h"
29 DECLARE_GLOBAL_DATA_PTR;
31 static int8_t vsc3316_fsm1_tx[8][2] = { {0, 0}, {1, 1}, {6, 6}, {7, 7},
32 {8, 8}, {9, 9}, {14, 14}, {15, 15} };
34 static int8_t vsc3316_fsm2_tx[8][2] = { {2, 2}, {3, 3}, {4, 4}, {5, 5},
35 {10, 10}, {11, 11}, {12, 12}, {13, 13} };
37 static int8_t vsc3316_fsm1_rx[8][2] = { {2, 12}, {3, 13}, {4, 5}, {5, 4},
38 {10, 11}, {11, 10}, {12, 2}, {13, 3} };
40 static int8_t vsc3316_fsm2_rx[8][2] = { {0, 15}, {1, 14}, {6, 7}, {7, 6},
41 {8, 9}, {9, 8}, {14, 1}, {15, 0} };
47 struct cpu_type *cpu = gd->arch.cpu;
50 printf("Board: %sQDS, ", cpu->name);
51 printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, ",
52 QIXIS_READ(id), QIXIS_READ(arch));
54 sw = QIXIS_READ(brdcfg[0]);
55 sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
58 printf("vBank: %d\n", sw);
64 printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
66 printf("FPGA: v%d (%s), build %d",
67 (int)QIXIS_READ(scver), qixis_read_tag(buf),
68 (int)qixis_read_minor());
69 /* the timestamp string contains "\n" at the end */
70 printf(" on %s", qixis_read_time(buf));
73 * Display the actual SERDES reference clocks as configured by the
74 * dip switches on the board. Note that the SWx registers could
75 * technically be set to force the reference clocks to match the
76 * values that the SERDES expects (or vice versa). For now, however,
77 * we just display both values and hope the user notices when they
80 puts("SERDES Reference Clocks: ");
81 sw = QIXIS_READ(brdcfg[2]);
82 for (i = 0; i < MAX_SERDES; i++) {
83 static const char * const freq[] = {
84 "100", "125", "156.25", "161.1328125"};
85 unsigned int clock = (sw >> (6 - 2 * i)) & 3;
87 printf("SERDES%u=%sMHz ", i+1, freq[clock]);
94 int select_i2c_ch_pca9547(u8 ch)
98 ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
100 puts("PCA: failed to select proper channel\n");
108 * read_voltage from sensor on I2C bus
109 * We use average of 4 readings, waiting for 532us befor another reading
111 #define NUM_READINGS 4 /* prefer to be power of 2 for efficiency */
112 #define WAIT_FOR_ADC 532 /* wait for 532 microseconds for ADC */
114 static inline int read_voltage(void)
116 int i, ret, voltage_read = 0;
119 for (i = 0; i < NUM_READINGS; i++) {
120 ret = i2c_read(I2C_VOL_MONITOR_ADDR,
121 I2C_VOL_MONITOR_BUS_V_OFFSET, 1, (void *)&vol_mon, 2);
123 printf("VID: failed to read core voltage\n");
126 if (vol_mon & I2C_VOL_MONITOR_BUS_V_OVF) {
127 printf("VID: Core voltage sensor error\n");
130 debug("VID: bus voltage reads 0x%04x\n", vol_mon);
132 voltage_read += (vol_mon >> I2C_VOL_MONITOR_BUS_V_SHIFT) * 4;
133 udelay(WAIT_FOR_ADC);
135 /* calculate the average */
136 voltage_read /= NUM_READINGS;
142 * We need to calculate how long before the voltage starts to drop or increase
143 * It returns with the loop count. Each loop takes several readings (532us)
145 static inline int wait_for_voltage_change(int vdd_last)
147 int timeout, vdd_current;
149 vdd_current = read_voltage();
150 /* wait until voltage starts to drop */
151 for (timeout = 0; abs(vdd_last - vdd_current) <= 4 &&
152 timeout < 100; timeout++) {
153 vdd_current = read_voltage();
155 if (timeout >= 100) {
156 printf("VID: Voltage adjustment timeout\n");
163 * argument 'wait' is the time we know the voltage difference can be measured
164 * this function keeps reading the voltage until it is stable
166 static inline int wait_for_voltage_stable(int wait)
168 int timeout, vdd_current, vdd_last;
170 vdd_last = read_voltage();
171 udelay(wait * NUM_READINGS * WAIT_FOR_ADC);
172 /* wait until voltage is stable */
173 vdd_current = read_voltage();
174 for (timeout = 0; abs(vdd_last - vdd_current) >= 4 &&
175 timeout < 100; timeout++) {
176 vdd_last = vdd_current;
177 udelay(wait * NUM_READINGS * WAIT_FOR_ADC);
178 vdd_current = read_voltage();
180 if (timeout >= 100) {
181 printf("VID: Voltage adjustment timeout\n");
188 static inline int set_voltage(u8 vid)
192 vdd_last = read_voltage();
193 QIXIS_WRITE(brdcfg[6], vid);
194 wait = wait_for_voltage_change(vdd_last);
197 debug("VID: Waited %d us\n", wait * NUM_READINGS * WAIT_FOR_ADC);
198 wait = wait ? wait : 1;
200 vdd_last = wait_for_voltage_stable(wait);
203 debug("VID: Current voltage is %d mV\n", vdd_last);
209 static int adjust_vdd(ulong vdd_override)
211 int re_enable = disable_interrupts();
212 ccsr_gur_t __iomem *gur =
213 (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
216 int vdd_target, vdd_current, vdd_last;
218 unsigned long vdd_string_override;
220 static const uint16_t vdd[32] = {
253 ret = select_i2c_ch_pca9547(I2C_MUX_CH_VOL_MONITOR);
255 debug("VID: I2c failed to switch channel\n");
260 /* get the voltage ID from fuse status register */
261 fusesr = in_be32(&gur->dcfg_fusesr);
262 vid = (fusesr >> FSL_CORENET_DCFG_FUSESR_VID_SHIFT) &
263 FSL_CORENET_DCFG_FUSESR_VID_MASK;
264 if (vid == FSL_CORENET_DCFG_FUSESR_VID_MASK) {
265 vid = (fusesr >> FSL_CORENET_DCFG_FUSESR_ALTVID_SHIFT) &
266 FSL_CORENET_DCFG_FUSESR_ALTVID_MASK;
268 vdd_target = vdd[vid];
270 /* check override variable for overriding VDD */
271 vdd_string = env_get("t4240qds_vdd_mv");
272 if (vdd_override == 0 && vdd_string &&
273 !strict_strtoul(vdd_string, 10, &vdd_string_override))
274 vdd_override = vdd_string_override;
275 if (vdd_override >= 819 && vdd_override <= 1212) {
276 vdd_target = vdd_override * 10; /* convert to 1/10 mV */
277 debug("VDD override is %lu\n", vdd_override);
278 } else if (vdd_override != 0) {
279 printf("Invalid value.\n");
282 if (vdd_target == 0) {
283 debug("VID: VID not used\n");
287 /* round up and divice by 10 to get a value in mV */
288 vdd_target = DIV_ROUND_UP(vdd_target, 10);
289 debug("VID: vid = %d mV\n", vdd_target);
293 * Check current board VID setting
294 * Voltage regulator support output to 6.250mv step
295 * The highes voltage allowed for this board is (vid=0x40) 1.21250V
296 * the lowest is (vid=0x7f) 0.81875V
298 vid_current = QIXIS_READ(brdcfg[6]);
299 vdd_current = 121250 - (vid_current - 0x40) * 625;
300 debug("VID: Current vid setting is (0x%x) %d mV\n",
301 vid_current, vdd_current/100);
304 * Read voltage monitor to check real voltage.
305 * Voltage monitor LSB is 4mv.
307 vdd_last = read_voltage();
309 printf("VID: Could not read voltage sensor abort VID adjustment\n");
313 debug("VID: Core voltage is at %d mV\n", vdd_last);
315 * Adjust voltage to at or 8mV above target.
316 * Each step of adjustment is 6.25mV.
317 * Stepping down too fast may cause over current.
319 while (vdd_last > 0 && vid_current < 0x80 &&
320 vdd_last > (vdd_target + 8)) {
322 vdd_last = set_voltage(vid_current);
325 * Check if we need to step up
326 * This happens when board voltage switch was set too low
328 while (vdd_last > 0 && vid_current >= 0x40 &&
329 vdd_last < vdd_target + 2) {
331 vdd_last = set_voltage(vid_current);
334 printf("VID: Core voltage %d mV\n", vdd_last);
344 /* Configure Crossbar switches for Front-Side SerDes Ports */
345 int config_frontside_crossbar_vsc3316(void)
347 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
348 u32 srds_prtcl_s1, srds_prtcl_s2;
351 ret = select_i2c_ch_pca9547(I2C_MUX_CH_VSC3316_FS);
355 srds_prtcl_s1 = in_be32(&gur->rcwsr[4]) &
356 FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
357 srds_prtcl_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
358 switch (srds_prtcl_s1) {
361 /* swap first lane and third lane on slot1 */
362 vsc3316_fsm1_tx[0][1] = 14;
363 vsc3316_fsm1_tx[6][1] = 0;
364 vsc3316_fsm1_rx[1][1] = 2;
365 vsc3316_fsm1_rx[6][1] = 13;
372 /* swap first lane and third lane on slot2 */
373 vsc3316_fsm1_tx[2][1] = 8;
374 vsc3316_fsm1_tx[4][1] = 6;
375 vsc3316_fsm1_rx[2][1] = 10;
376 vsc3316_fsm1_rx[5][1] = 5;
378 ret = vsc3316_config(VSC3316_FSM_TX_ADDR, vsc3316_fsm1_tx, 8);
381 ret = vsc3316_config(VSC3316_FSM_RX_ADDR, vsc3316_fsm1_rx, 8);
387 srds_prtcl_s2 = in_be32(&gur->rcwsr[4]) &
388 FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
389 srds_prtcl_s2 >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
390 switch (srds_prtcl_s2) {
393 /* swap first lane and third lane on slot3 */
394 vsc3316_fsm2_tx[2][1] = 11;
395 vsc3316_fsm2_tx[5][1] = 4;
396 vsc3316_fsm2_rx[2][1] = 9;
397 vsc3316_fsm2_rx[4][1] = 7;
410 /* swap first lane and third lane on slot4 */
411 vsc3316_fsm2_tx[6][1] = 3;
412 vsc3316_fsm2_tx[1][1] = 12;
413 vsc3316_fsm2_rx[0][1] = 1;
414 vsc3316_fsm2_rx[6][1] = 15;
416 ret = vsc3316_config(VSC3316_FSM_TX_ADDR, vsc3316_fsm2_tx, 8);
419 ret = vsc3316_config(VSC3316_FSM_RX_ADDR, vsc3316_fsm2_rx, 8);
428 int config_backside_crossbar_mux(void)
430 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
431 u32 srds_prtcl_s3, srds_prtcl_s4;
434 srds_prtcl_s3 = in_be32(&gur->rcwsr[4]) &
435 FSL_CORENET2_RCWSR4_SRDS3_PRTCL;
436 srds_prtcl_s3 >>= FSL_CORENET2_RCWSR4_SRDS3_PRTCL_SHIFT;
437 switch (srds_prtcl_s3) {
439 /* SerDes3 is not enabled */
445 /* SD3(0:7) => SLOT5(0:7) */
446 brdcfg = QIXIS_READ(brdcfg[12]);
447 brdcfg &= ~BRDCFG12_SD3MX_MASK;
448 brdcfg |= BRDCFG12_SD3MX_SLOT5;
449 QIXIS_WRITE(brdcfg[12], brdcfg);
467 /* SD3(4:7) => SLOT6(0:3) */
468 brdcfg = QIXIS_READ(brdcfg[12]);
469 brdcfg &= ~BRDCFG12_SD3MX_MASK;
470 brdcfg |= BRDCFG12_SD3MX_SLOT6;
471 QIXIS_WRITE(brdcfg[12], brdcfg);
474 printf("WARNING: unsupported for SerDes3 Protocol %d\n",
479 srds_prtcl_s4 = in_be32(&gur->rcwsr[4]) &
480 FSL_CORENET2_RCWSR4_SRDS4_PRTCL;
481 srds_prtcl_s4 >>= FSL_CORENET2_RCWSR4_SRDS4_PRTCL_SHIFT;
482 switch (srds_prtcl_s4) {
484 /* SerDes4 is not enabled */
488 /* 10b, SD4(0:7) => SLOT7(0:7) */
489 brdcfg = QIXIS_READ(brdcfg[12]);
490 brdcfg &= ~BRDCFG12_SD4MX_MASK;
491 brdcfg |= BRDCFG12_SD4MX_SLOT7;
492 QIXIS_WRITE(brdcfg[12], brdcfg);
500 /* x1b, SD4(4:7) => SLOT8(0:3) */
501 brdcfg = QIXIS_READ(brdcfg[12]);
502 brdcfg &= ~BRDCFG12_SD4MX_MASK;
503 brdcfg |= BRDCFG12_SD4MX_SLOT8;
504 QIXIS_WRITE(brdcfg[12], brdcfg);
515 /* 00b, SD4(4:5) => AURORA, SD4(6:7) => SATA */
516 brdcfg = QIXIS_READ(brdcfg[12]);
517 brdcfg &= ~BRDCFG12_SD4MX_MASK;
518 brdcfg |= BRDCFG12_SD4MX_AURO_SATA;
519 QIXIS_WRITE(brdcfg[12], brdcfg);
522 printf("WARNING: unsupported for SerDes4 Protocol %d\n",
530 int board_early_init_r(void)
532 const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
533 int flash_esel = find_tlb_idx((void *)flashbase, 1);
536 * Remap Boot flash + PROMJET region to caching-inhibited
537 * so that flash can be erased properly.
540 /* Flush d-cache and invalidate i-cache of any FLASH data */
544 if (flash_esel == -1) {
545 /* very unlikely unless something is messed up */
546 puts("Error: Could not find TLB for FLASH BASE\n");
547 flash_esel = 2; /* give our best effort to continue */
549 /* invalidate existing TLB entry for flash + promjet */
550 disable_tlb(flash_esel);
553 set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
554 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
555 0, flash_esel, BOOKE_PAGESZ_256M, 1);
557 /* Disable remote I2C connection to qixis fpga */
558 QIXIS_WRITE(brdcfg[5], QIXIS_READ(brdcfg[5]) & ~BRDCFG5_IRE);
561 * Adjust core voltage according to voltage ID
562 * This function changes I2C mux to channel 2.
565 printf("Warning: Adjusting core voltage failed.\n");
567 /* Configure board SERDES ports crossbar */
568 config_frontside_crossbar_vsc3316();
569 config_backside_crossbar_mux();
570 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
575 unsigned long get_board_sys_clk(void)
577 u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
578 #ifdef CONFIG_FSL_QIXIS_CLOCK_MEASUREMENT
579 /* use accurate clock measurement */
580 int freq = QIXIS_READ(clk_freq[0]) << 8 | QIXIS_READ(clk_freq[1]);
581 int base = QIXIS_READ(clk_base[0]) << 8 | QIXIS_READ(clk_base[1]);
586 debug("SYS Clock measurement is: %d\n", val);
589 printf("Warning: SYS clock measurement is invalid, using value from brdcfg1.\n");
593 switch (sysclk_conf & 0x0F) {
594 case QIXIS_SYSCLK_83:
596 case QIXIS_SYSCLK_100:
598 case QIXIS_SYSCLK_125:
600 case QIXIS_SYSCLK_133:
602 case QIXIS_SYSCLK_150:
604 case QIXIS_SYSCLK_160:
606 case QIXIS_SYSCLK_166:
612 unsigned long get_board_ddr_clk(void)
614 u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
615 #ifdef CONFIG_FSL_QIXIS_CLOCK_MEASUREMENT
616 /* use accurate clock measurement */
617 int freq = QIXIS_READ(clk_freq[2]) << 8 | QIXIS_READ(clk_freq[3]);
618 int base = QIXIS_READ(clk_base[0]) << 8 | QIXIS_READ(clk_base[1]);
623 debug("DDR Clock measurement is: %d\n", val);
626 printf("Warning: DDR clock measurement is invalid, using value from brdcfg1.\n");
630 switch ((ddrclk_conf & 0x30) >> 4) {
631 case QIXIS_DDRCLK_100:
633 case QIXIS_DDRCLK_125:
635 case QIXIS_DDRCLK_133:
641 int misc_init_r(void)
644 void *srds_base = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
645 serdes_corenet_t *srds_regs;
646 u32 actual[MAX_SERDES];
647 u32 pllcr0, expected;
650 sw = QIXIS_READ(brdcfg[2]);
651 for (i = 0; i < MAX_SERDES; i++) {
652 unsigned int clock = (sw >> (6 - 2 * i)) & 3;
655 actual[i] = SRDS_PLLCR0_RFCK_SEL_100;
658 actual[i] = SRDS_PLLCR0_RFCK_SEL_125;
661 actual[i] = SRDS_PLLCR0_RFCK_SEL_156_25;
664 actual[i] = SRDS_PLLCR0_RFCK_SEL_161_13;
669 for (i = 0; i < MAX_SERDES; i++) {
670 srds_regs = srds_base + i * 0x1000;
671 pllcr0 = srds_regs->bank[0].pllcr0;
672 expected = pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK;
673 if (expected != actual[i]) {
674 printf("Warning: SERDES%u expects reference clock %sMHz, but actual is %sMHz\n",
675 i + 1, serdes_clock_to_string(expected),
676 serdes_clock_to_string(actual[i]));
683 int ft_board_setup(void *blob, bd_t *bd)
688 ft_cpu_setup(blob, bd);
690 base = env_get_bootm_low();
691 size = env_get_bootm_size();
693 fdt_fixup_memory(blob, (u64)base, (u64)size);
696 pci_of_setup(blob, bd);
699 fdt_fixup_liodn(blob);
700 fsl_fdt_fixup_dr_usb(blob, bd);
702 #ifdef CONFIG_SYS_DPAA_FMAN
703 fdt_fixup_fman_ethernet(blob);
704 fdt_fixup_board_enet(blob);
711 * This function is called by bdinfo to print detail board information.
712 * As an exmaple for future board, we organize the messages into
713 * several sections. If applicable, the message is in the format of
715 * It should aligned with normal output of bdinfo command.
717 * Voltage: Core, DDR and another configurable voltages
718 * Clock : Critical clocks which are not printed already
719 * RCW : RCW source if not printed already
720 * Misc : Other important information not in above catagories
722 void board_detail(void)
725 u8 brdcfg[16], dutcfg[16], rst_ctl;
727 static const char * const clk[] = {"66.67", "100", "125", "133.33"};
729 for (i = 0; i < 16; i++) {
730 brdcfg[i] = qixis_read(offsetof(struct qixis, brdcfg[0]) + i);
731 dutcfg[i] = qixis_read(offsetof(struct qixis, dutcfg[0]) + i);
735 if (!select_i2c_ch_pca9547(I2C_MUX_CH_VOL_MONITOR)) {
736 vdd = read_voltage();
738 printf("Core voltage= %d mV\n", vdd);
739 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
742 printf("XVDD = 1.%d V\n", ((brdcfg[8] & 0xf) - 4) * 5 + 25);
745 printf("SYSCLK = %s MHz\nDDRCLK = %s MHz\n",
746 clk[(brdcfg[11] >> 2) & 0x3], clk[brdcfg[11] & 3]);
749 rcwsrc = (dutcfg[0] << 1) + (dutcfg[1] & 1);
750 puts("RCW source = ");
758 puts("16-bit NOR\n");
764 puts("SPI 16-bit addressing\n");
767 puts("SPI 24-bit addressing\n");
770 puts("I2C normal addressing\n");
773 puts("I2C extended addressing\n");
779 puts("8-bit NAND, 2KB\n");
782 if ((rcwsrc >= 0x080) && (rcwsrc <= 0x09f))
783 puts("Hard-coded RCW\n");
784 else if ((rcwsrc >= 0x110) && (rcwsrc <= 0x11f))
785 puts("8-bit NAND, 4KB\n");
792 rst_ctl = QIXIS_READ(rst_ctl);
793 puts("HRESET_REQ = ");
794 switch (rst_ctl & 0x30) {
799 puts("Assert HRESET\n");
802 puts("Reset system\n");
811 * Reverse engineering switch settings.
812 * Some bits cannot be figured out. They will be displayed as
813 * underscore in binary format. mask[] has those bits.
814 * Some bits are calculated differently than the actual switches
815 * if booting with overriding by FPGA.
817 void qixis_dump_switch(void)
823 * Any bit with 1 means that bit cannot be reverse engineered.
824 * It will be displayed as _ in binary format.
826 static const u8 mask[] = {0, 0, 0, 0, 0, 0x1, 0xcf, 0x3f, 0x1f};
828 u8 brdcfg[16], dutcfg[16];
830 for (i = 0; i < 16; i++) {
831 brdcfg[i] = qixis_read(offsetof(struct qixis, brdcfg[0]) + i);
832 dutcfg[i] = qixis_read(offsetof(struct qixis, dutcfg[0]) + i);
836 sw[1] = (dutcfg[1] << 0x07) |
837 ((dutcfg[12] & 0xC0) >> 1) |
838 ((dutcfg[11] & 0xE0) >> 3) |
839 ((dutcfg[6] & 0x80) >> 6) |
840 ((dutcfg[1] & 0x80) >> 7);
841 sw[2] = ((brdcfg[1] & 0x0f) << 4) |
842 ((brdcfg[1] & 0x30) >> 2) |
843 ((brdcfg[1] & 0x40) >> 5) |
844 ((brdcfg[1] & 0x80) >> 7);
846 sw[4] = ((dutcfg[2] & 0x01) << 7) |
847 ((dutcfg[2] & 0x06) << 4) |
848 ((~QIXIS_READ(present)) & 0x10) |
849 ((brdcfg[3] & 0x80) >> 4) |
850 ((brdcfg[3] & 0x01) << 2) |
851 ((brdcfg[6] == 0x62) ? 3 :
852 ((brdcfg[6] == 0x5a) ? 2 :
853 ((brdcfg[6] == 0x5e) ? 1 : 0)));
854 sw[5] = ((brdcfg[0] & 0x0f) << 4) |
855 ((QIXIS_READ(rst_ctl) & 0x30) >> 2) |
856 ((brdcfg[0] & 0x40) >> 5);
857 sw[6] = (brdcfg[11] & 0x20) |
858 ((brdcfg[5] & 0x02) << 3);
859 sw[7] = (((~QIXIS_READ(rst_ctl)) & 0x40) << 1) |
860 ((brdcfg[5] & 0x10) << 2);
861 sw[8] = ((brdcfg[12] & 0x08) << 4) |
862 ((brdcfg[12] & 0x03) << 5);
864 puts("DIP switch (reverse-engineering)\n");
865 for (i = 0; i < 9; i++) {
866 printf("SW%d = 0b%s (0x%02x)\n",
867 i + 1, byte_to_binary_mask(sw[i], mask[i], buf), sw[i]);
871 static int do_vdd_adjust(cmd_tbl_t *cmdtp,
878 return CMD_RET_USAGE;
879 if (!strict_strtoul(argv[1], 10, &override))
880 adjust_vdd(override); /* the value is checked by callee */
882 return CMD_RET_USAGE;
888 vdd_override, 2, 0, do_vdd_adjust,
890 "- override with the voltage specified in mV, eg. 1050"