1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2009-2012 Freescale Semiconductor, Inc.
10 #include <fdt_support.h>
16 #include <linux/compiler.h>
18 #include <asm/processor.h>
19 #include <asm/cache.h>
20 #include <asm/immap_85xx.h>
21 #include <asm/fsl_law.h>
22 #include <asm/fsl_serdes.h>
23 #include <asm/fsl_liodn.h>
26 #include "../common/qixis.h"
27 #include "../common/vsc3316_3308.h"
29 #include "t4240qds_qixis.h"
31 DECLARE_GLOBAL_DATA_PTR;
33 static int8_t vsc3316_fsm1_tx[8][2] = { {0, 0}, {1, 1}, {6, 6}, {7, 7},
34 {8, 8}, {9, 9}, {14, 14}, {15, 15} };
36 static int8_t vsc3316_fsm2_tx[8][2] = { {2, 2}, {3, 3}, {4, 4}, {5, 5},
37 {10, 10}, {11, 11}, {12, 12}, {13, 13} };
39 static int8_t vsc3316_fsm1_rx[8][2] = { {2, 12}, {3, 13}, {4, 5}, {5, 4},
40 {10, 11}, {11, 10}, {12, 2}, {13, 3} };
42 static int8_t vsc3316_fsm2_rx[8][2] = { {0, 15}, {1, 14}, {6, 7}, {7, 6},
43 {8, 9}, {9, 8}, {14, 1}, {15, 0} };
49 struct cpu_type *cpu = gd->arch.cpu;
52 printf("Board: %sQDS, ", cpu->name);
53 printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, ",
54 QIXIS_READ(id), QIXIS_READ(arch));
56 sw = QIXIS_READ(brdcfg[0]);
57 sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;
60 printf("vBank: %d\n", sw);
66 printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
68 printf("FPGA: v%d (%s), build %d",
69 (int)QIXIS_READ(scver), qixis_read_tag(buf),
70 (int)qixis_read_minor());
71 /* the timestamp string contains "\n" at the end */
72 printf(" on %s", qixis_read_time(buf));
75 * Display the actual SERDES reference clocks as configured by the
76 * dip switches on the board. Note that the SWx registers could
77 * technically be set to force the reference clocks to match the
78 * values that the SERDES expects (or vice versa). For now, however,
79 * we just display both values and hope the user notices when they
82 puts("SERDES Reference Clocks: ");
83 sw = QIXIS_READ(brdcfg[2]);
84 for (i = 0; i < MAX_SERDES; i++) {
85 static const char * const freq[] = {
86 "100", "125", "156.25", "161.1328125"};
87 unsigned int clock = (sw >> (6 - 2 * i)) & 3;
89 printf("SERDES%u=%sMHz ", i+1, freq[clock]);
96 int select_i2c_ch_pca9547(u8 ch, int bus_num)
103 ret = i2c_get_chip_for_busnum(bus_num, I2C_MUX_PCA_ADDR_PRI,
106 printf("%s: Cannot find udev for a bus %d\n", __func__,
111 ret = dm_i2c_write(dev, 0, &ch, 1);
113 ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
116 puts("PCA: failed to select proper channel\n");
124 * read_voltage from sensor on I2C bus
125 * We use average of 4 readings, waiting for 532us befor another reading
127 #define NUM_READINGS 4 /* prefer to be power of 2 for efficiency */
128 #define WAIT_FOR_ADC 532 /* wait for 532 microseconds for ADC */
130 static inline int read_voltage(void)
132 int i, ret, voltage_read = 0;
139 for (i = 0; i < NUM_READINGS; i++) {
141 ret = i2c_get_chip_for_busnum(bus_num, I2C_VOL_MONITOR_ADDR,
144 printf("%s: Cannot find udev for a bus %d\n", __func__,
149 ret = dm_i2c_read(dev,
150 I2C_VOL_MONITOR_BUS_V_OFFSET,
151 (void *)&vol_mon, 2);
153 ret = i2c_read(I2C_VOL_MONITOR_ADDR,
154 I2C_VOL_MONITOR_BUS_V_OFFSET, 1, (void *)&vol_mon, 2);
157 printf("VID: failed to read core voltage\n");
160 if (vol_mon & I2C_VOL_MONITOR_BUS_V_OVF) {
161 printf("VID: Core voltage sensor error\n");
164 debug("VID: bus voltage reads 0x%04x\n", vol_mon);
166 voltage_read += (vol_mon >> I2C_VOL_MONITOR_BUS_V_SHIFT) * 4;
167 udelay(WAIT_FOR_ADC);
169 /* calculate the average */
170 voltage_read /= NUM_READINGS;
176 * We need to calculate how long before the voltage starts to drop or increase
177 * It returns with the loop count. Each loop takes several readings (532us)
179 static inline int wait_for_voltage_change(int vdd_last)
181 int timeout, vdd_current;
183 vdd_current = read_voltage();
184 /* wait until voltage starts to drop */
185 for (timeout = 0; abs(vdd_last - vdd_current) <= 4 &&
186 timeout < 100; timeout++) {
187 vdd_current = read_voltage();
189 if (timeout >= 100) {
190 printf("VID: Voltage adjustment timeout\n");
197 * argument 'wait' is the time we know the voltage difference can be measured
198 * this function keeps reading the voltage until it is stable
200 static inline int wait_for_voltage_stable(int wait)
202 int timeout, vdd_current, vdd_last;
204 vdd_last = read_voltage();
205 udelay(wait * NUM_READINGS * WAIT_FOR_ADC);
206 /* wait until voltage is stable */
207 vdd_current = read_voltage();
208 for (timeout = 0; abs(vdd_last - vdd_current) >= 4 &&
209 timeout < 100; timeout++) {
210 vdd_last = vdd_current;
211 udelay(wait * NUM_READINGS * WAIT_FOR_ADC);
212 vdd_current = read_voltage();
214 if (timeout >= 100) {
215 printf("VID: Voltage adjustment timeout\n");
222 static inline int set_voltage(u8 vid)
226 vdd_last = read_voltage();
227 QIXIS_WRITE(brdcfg[6], vid);
228 wait = wait_for_voltage_change(vdd_last);
231 debug("VID: Waited %d us\n", wait * NUM_READINGS * WAIT_FOR_ADC);
232 wait = wait ? wait : 1;
234 vdd_last = wait_for_voltage_stable(wait);
237 debug("VID: Current voltage is %d mV\n", vdd_last);
243 static int adjust_vdd(ulong vdd_override)
245 int re_enable = disable_interrupts();
246 ccsr_gur_t __iomem *gur =
247 (void __iomem *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
250 int vdd_target, vdd_current, vdd_last;
252 unsigned long vdd_string_override;
254 static const uint16_t vdd[32] = {
287 ret = select_i2c_ch_pca9547(I2C_MUX_CH_VOL_MONITOR, 0);
289 debug("VID: I2c failed to switch channel\n");
294 /* get the voltage ID from fuse status register */
295 fusesr = in_be32(&gur->dcfg_fusesr);
296 vid = (fusesr >> FSL_CORENET_DCFG_FUSESR_VID_SHIFT) &
297 FSL_CORENET_DCFG_FUSESR_VID_MASK;
298 if (vid == FSL_CORENET_DCFG_FUSESR_VID_MASK) {
299 vid = (fusesr >> FSL_CORENET_DCFG_FUSESR_ALTVID_SHIFT) &
300 FSL_CORENET_DCFG_FUSESR_ALTVID_MASK;
302 vdd_target = vdd[vid];
304 /* check override variable for overriding VDD */
305 vdd_string = env_get("t4240qds_vdd_mv");
306 if (vdd_override == 0 && vdd_string &&
307 !strict_strtoul(vdd_string, 10, &vdd_string_override))
308 vdd_override = vdd_string_override;
309 if (vdd_override >= 819 && vdd_override <= 1212) {
310 vdd_target = vdd_override * 10; /* convert to 1/10 mV */
311 debug("VDD override is %lu\n", vdd_override);
312 } else if (vdd_override != 0) {
313 printf("Invalid value.\n");
316 if (vdd_target == 0) {
317 debug("VID: VID not used\n");
321 /* round up and divice by 10 to get a value in mV */
322 vdd_target = DIV_ROUND_UP(vdd_target, 10);
323 debug("VID: vid = %d mV\n", vdd_target);
327 * Check current board VID setting
328 * Voltage regulator support output to 6.250mv step
329 * The highes voltage allowed for this board is (vid=0x40) 1.21250V
330 * the lowest is (vid=0x7f) 0.81875V
332 vid_current = QIXIS_READ(brdcfg[6]);
333 vdd_current = 121250 - (vid_current - 0x40) * 625;
334 debug("VID: Current vid setting is (0x%x) %d mV\n",
335 vid_current, vdd_current/100);
338 * Read voltage monitor to check real voltage.
339 * Voltage monitor LSB is 4mv.
341 vdd_last = read_voltage();
343 printf("VID: Could not read voltage sensor abort VID adjustment\n");
347 debug("VID: Core voltage is at %d mV\n", vdd_last);
349 * Adjust voltage to at or 8mV above target.
350 * Each step of adjustment is 6.25mV.
351 * Stepping down too fast may cause over current.
353 while (vdd_last > 0 && vid_current < 0x80 &&
354 vdd_last > (vdd_target + 8)) {
356 vdd_last = set_voltage(vid_current);
359 * Check if we need to step up
360 * This happens when board voltage switch was set too low
362 while (vdd_last > 0 && vid_current >= 0x40 &&
363 vdd_last < vdd_target + 2) {
365 vdd_last = set_voltage(vid_current);
368 printf("VID: Core voltage %d mV\n", vdd_last);
378 /* Configure Crossbar switches for Front-Side SerDes Ports */
379 int config_frontside_crossbar_vsc3316(void)
381 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
382 u32 srds_prtcl_s1, srds_prtcl_s2;
385 ret = select_i2c_ch_pca9547(I2C_MUX_CH_VSC3316_FS, 0);
389 srds_prtcl_s1 = in_be32(&gur->rcwsr[4]) &
390 FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
391 srds_prtcl_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
392 switch (srds_prtcl_s1) {
395 /* swap first lane and third lane on slot1 */
396 vsc3316_fsm1_tx[0][1] = 14;
397 vsc3316_fsm1_tx[6][1] = 0;
398 vsc3316_fsm1_rx[1][1] = 2;
399 vsc3316_fsm1_rx[6][1] = 13;
406 /* swap first lane and third lane on slot2 */
407 vsc3316_fsm1_tx[2][1] = 8;
408 vsc3316_fsm1_tx[4][1] = 6;
409 vsc3316_fsm1_rx[2][1] = 10;
410 vsc3316_fsm1_rx[5][1] = 5;
412 ret = vsc3316_config(VSC3316_FSM_TX_ADDR, vsc3316_fsm1_tx, 8);
415 ret = vsc3316_config(VSC3316_FSM_RX_ADDR, vsc3316_fsm1_rx, 8);
421 srds_prtcl_s2 = in_be32(&gur->rcwsr[4]) &
422 FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
423 srds_prtcl_s2 >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
424 switch (srds_prtcl_s2) {
427 /* swap first lane and third lane on slot3 */
428 vsc3316_fsm2_tx[2][1] = 11;
429 vsc3316_fsm2_tx[5][1] = 4;
430 vsc3316_fsm2_rx[2][1] = 9;
431 vsc3316_fsm2_rx[4][1] = 7;
444 /* swap first lane and third lane on slot4 */
445 vsc3316_fsm2_tx[6][1] = 3;
446 vsc3316_fsm2_tx[1][1] = 12;
447 vsc3316_fsm2_rx[0][1] = 1;
448 vsc3316_fsm2_rx[6][1] = 15;
450 ret = vsc3316_config(VSC3316_FSM_TX_ADDR, vsc3316_fsm2_tx, 8);
453 ret = vsc3316_config(VSC3316_FSM_RX_ADDR, vsc3316_fsm2_rx, 8);
462 int config_backside_crossbar_mux(void)
464 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
465 u32 srds_prtcl_s3, srds_prtcl_s4;
468 srds_prtcl_s3 = in_be32(&gur->rcwsr[4]) &
469 FSL_CORENET2_RCWSR4_SRDS3_PRTCL;
470 srds_prtcl_s3 >>= FSL_CORENET2_RCWSR4_SRDS3_PRTCL_SHIFT;
471 switch (srds_prtcl_s3) {
473 /* SerDes3 is not enabled */
479 /* SD3(0:7) => SLOT5(0:7) */
480 brdcfg = QIXIS_READ(brdcfg[12]);
481 brdcfg &= ~BRDCFG12_SD3MX_MASK;
482 brdcfg |= BRDCFG12_SD3MX_SLOT5;
483 QIXIS_WRITE(brdcfg[12], brdcfg);
501 /* SD3(4:7) => SLOT6(0:3) */
502 brdcfg = QIXIS_READ(brdcfg[12]);
503 brdcfg &= ~BRDCFG12_SD3MX_MASK;
504 brdcfg |= BRDCFG12_SD3MX_SLOT6;
505 QIXIS_WRITE(brdcfg[12], brdcfg);
508 printf("WARNING: unsupported for SerDes3 Protocol %d\n",
513 srds_prtcl_s4 = in_be32(&gur->rcwsr[4]) &
514 FSL_CORENET2_RCWSR4_SRDS4_PRTCL;
515 srds_prtcl_s4 >>= FSL_CORENET2_RCWSR4_SRDS4_PRTCL_SHIFT;
516 switch (srds_prtcl_s4) {
518 /* SerDes4 is not enabled */
522 /* 10b, SD4(0:7) => SLOT7(0:7) */
523 brdcfg = QIXIS_READ(brdcfg[12]);
524 brdcfg &= ~BRDCFG12_SD4MX_MASK;
525 brdcfg |= BRDCFG12_SD4MX_SLOT7;
526 QIXIS_WRITE(brdcfg[12], brdcfg);
534 /* x1b, SD4(4:7) => SLOT8(0:3) */
535 brdcfg = QIXIS_READ(brdcfg[12]);
536 brdcfg &= ~BRDCFG12_SD4MX_MASK;
537 brdcfg |= BRDCFG12_SD4MX_SLOT8;
538 QIXIS_WRITE(brdcfg[12], brdcfg);
549 /* 00b, SD4(4:5) => AURORA, SD4(6:7) => SATA */
550 brdcfg = QIXIS_READ(brdcfg[12]);
551 brdcfg &= ~BRDCFG12_SD4MX_MASK;
552 brdcfg |= BRDCFG12_SD4MX_AURO_SATA;
553 QIXIS_WRITE(brdcfg[12], brdcfg);
556 printf("WARNING: unsupported for SerDes4 Protocol %d\n",
564 int board_early_init_r(void)
566 const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
567 int flash_esel = find_tlb_idx((void *)flashbase, 1);
570 * Remap Boot flash + PROMJET region to caching-inhibited
571 * so that flash can be erased properly.
574 /* Flush d-cache and invalidate i-cache of any FLASH data */
578 if (flash_esel == -1) {
579 /* very unlikely unless something is messed up */
580 puts("Error: Could not find TLB for FLASH BASE\n");
581 flash_esel = 2; /* give our best effort to continue */
583 /* invalidate existing TLB entry for flash + promjet */
584 disable_tlb(flash_esel);
587 set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
588 MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
589 0, flash_esel, BOOKE_PAGESZ_256M, 1);
591 /* Disable remote I2C connection to qixis fpga */
592 QIXIS_WRITE(brdcfg[5], QIXIS_READ(brdcfg[5]) & ~BRDCFG5_IRE);
595 * Adjust core voltage according to voltage ID
596 * This function changes I2C mux to channel 2.
599 printf("Warning: Adjusting core voltage failed.\n");
601 /* Configure board SERDES ports crossbar */
602 config_frontside_crossbar_vsc3316();
603 config_backside_crossbar_mux();
604 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
609 unsigned long get_board_sys_clk(void)
611 u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
612 #ifdef CONFIG_FSL_QIXIS_CLOCK_MEASUREMENT
613 /* use accurate clock measurement */
614 int freq = QIXIS_READ(clk_freq[0]) << 8 | QIXIS_READ(clk_freq[1]);
615 int base = QIXIS_READ(clk_base[0]) << 8 | QIXIS_READ(clk_base[1]);
620 debug("SYS Clock measurement is: %d\n", val);
623 printf("Warning: SYS clock measurement is invalid, using value from brdcfg1.\n");
627 switch (sysclk_conf & 0x0F) {
628 case QIXIS_SYSCLK_83:
630 case QIXIS_SYSCLK_100:
632 case QIXIS_SYSCLK_125:
634 case QIXIS_SYSCLK_133:
636 case QIXIS_SYSCLK_150:
638 case QIXIS_SYSCLK_160:
640 case QIXIS_SYSCLK_166:
646 unsigned long get_board_ddr_clk(void)
648 u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
649 #ifdef CONFIG_FSL_QIXIS_CLOCK_MEASUREMENT
650 /* use accurate clock measurement */
651 int freq = QIXIS_READ(clk_freq[2]) << 8 | QIXIS_READ(clk_freq[3]);
652 int base = QIXIS_READ(clk_base[0]) << 8 | QIXIS_READ(clk_base[1]);
657 debug("DDR Clock measurement is: %d\n", val);
660 printf("Warning: DDR clock measurement is invalid, using value from brdcfg1.\n");
664 switch ((ddrclk_conf & 0x30) >> 4) {
665 case QIXIS_DDRCLK_100:
667 case QIXIS_DDRCLK_125:
669 case QIXIS_DDRCLK_133:
675 int misc_init_r(void)
678 void *srds_base = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
679 serdes_corenet_t *srds_regs;
680 u32 actual[MAX_SERDES];
681 u32 pllcr0, expected;
684 sw = QIXIS_READ(brdcfg[2]);
685 for (i = 0; i < MAX_SERDES; i++) {
686 unsigned int clock = (sw >> (6 - 2 * i)) & 3;
689 actual[i] = SRDS_PLLCR0_RFCK_SEL_100;
692 actual[i] = SRDS_PLLCR0_RFCK_SEL_125;
695 actual[i] = SRDS_PLLCR0_RFCK_SEL_156_25;
698 actual[i] = SRDS_PLLCR0_RFCK_SEL_161_13;
703 for (i = 0; i < MAX_SERDES; i++) {
704 srds_regs = srds_base + i * 0x1000;
705 pllcr0 = srds_regs->bank[0].pllcr0;
706 expected = pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK;
707 if (expected != actual[i]) {
708 printf("Warning: SERDES%u expects reference clock %sMHz, but actual is %sMHz\n",
709 i + 1, serdes_clock_to_string(expected),
710 serdes_clock_to_string(actual[i]));
717 int ft_board_setup(void *blob, bd_t *bd)
722 ft_cpu_setup(blob, bd);
724 base = env_get_bootm_low();
725 size = env_get_bootm_size();
727 fdt_fixup_memory(blob, (u64)base, (u64)size);
730 pci_of_setup(blob, bd);
733 fdt_fixup_liodn(blob);
734 fsl_fdt_fixup_dr_usb(blob, bd);
736 #ifdef CONFIG_SYS_DPAA_FMAN
737 fdt_fixup_fman_ethernet(blob);
738 fdt_fixup_board_enet(blob);
745 * This function is called by bdinfo to print detail board information.
746 * As an exmaple for future board, we organize the messages into
747 * several sections. If applicable, the message is in the format of
749 * It should aligned with normal output of bdinfo command.
751 * Voltage: Core, DDR and another configurable voltages
752 * Clock : Critical clocks which are not printed already
753 * RCW : RCW source if not printed already
754 * Misc : Other important information not in above catagories
756 void board_detail(void)
759 u8 brdcfg[16], dutcfg[16], rst_ctl;
761 static const char * const clk[] = {"66.67", "100", "125", "133.33"};
763 for (i = 0; i < 16; i++) {
764 brdcfg[i] = qixis_read(offsetof(struct qixis, brdcfg[0]) + i);
765 dutcfg[i] = qixis_read(offsetof(struct qixis, dutcfg[0]) + i);
769 if (!select_i2c_ch_pca9547(I2C_MUX_CH_VOL_MONITOR, 0)) {
770 vdd = read_voltage();
772 printf("Core voltage= %d mV\n", vdd);
773 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT, 0);
776 printf("XVDD = 1.%d V\n", ((brdcfg[8] & 0xf) - 4) * 5 + 25);
779 printf("SYSCLK = %s MHz\nDDRCLK = %s MHz\n",
780 clk[(brdcfg[11] >> 2) & 0x3], clk[brdcfg[11] & 3]);
783 rcwsrc = (dutcfg[0] << 1) + (dutcfg[1] & 1);
784 puts("RCW source = ");
792 puts("16-bit NOR\n");
798 puts("SPI 16-bit addressing\n");
801 puts("SPI 24-bit addressing\n");
804 puts("I2C normal addressing\n");
807 puts("I2C extended addressing\n");
813 puts("8-bit NAND, 2KB\n");
816 if ((rcwsrc >= 0x080) && (rcwsrc <= 0x09f))
817 puts("Hard-coded RCW\n");
818 else if ((rcwsrc >= 0x110) && (rcwsrc <= 0x11f))
819 puts("8-bit NAND, 4KB\n");
826 rst_ctl = QIXIS_READ(rst_ctl);
827 puts("HRESET_REQ = ");
828 switch (rst_ctl & 0x30) {
833 puts("Assert HRESET\n");
836 puts("Reset system\n");
845 * Reverse engineering switch settings.
846 * Some bits cannot be figured out. They will be displayed as
847 * underscore in binary format. mask[] has those bits.
848 * Some bits are calculated differently than the actual switches
849 * if booting with overriding by FPGA.
851 void qixis_dump_switch(void)
857 * Any bit with 1 means that bit cannot be reverse engineered.
858 * It will be displayed as _ in binary format.
860 static const u8 mask[] = {0, 0, 0, 0, 0, 0x1, 0xcf, 0x3f, 0x1f};
862 u8 brdcfg[16], dutcfg[16];
864 for (i = 0; i < 16; i++) {
865 brdcfg[i] = qixis_read(offsetof(struct qixis, brdcfg[0]) + i);
866 dutcfg[i] = qixis_read(offsetof(struct qixis, dutcfg[0]) + i);
870 sw[1] = (dutcfg[1] << 0x07) |
871 ((dutcfg[12] & 0xC0) >> 1) |
872 ((dutcfg[11] & 0xE0) >> 3) |
873 ((dutcfg[6] & 0x80) >> 6) |
874 ((dutcfg[1] & 0x80) >> 7);
875 sw[2] = ((brdcfg[1] & 0x0f) << 4) |
876 ((brdcfg[1] & 0x30) >> 2) |
877 ((brdcfg[1] & 0x40) >> 5) |
878 ((brdcfg[1] & 0x80) >> 7);
880 sw[4] = ((dutcfg[2] & 0x01) << 7) |
881 ((dutcfg[2] & 0x06) << 4) |
882 ((~QIXIS_READ(present)) & 0x10) |
883 ((brdcfg[3] & 0x80) >> 4) |
884 ((brdcfg[3] & 0x01) << 2) |
885 ((brdcfg[6] == 0x62) ? 3 :
886 ((brdcfg[6] == 0x5a) ? 2 :
887 ((brdcfg[6] == 0x5e) ? 1 : 0)));
888 sw[5] = ((brdcfg[0] & 0x0f) << 4) |
889 ((QIXIS_READ(rst_ctl) & 0x30) >> 2) |
890 ((brdcfg[0] & 0x40) >> 5);
891 sw[6] = (brdcfg[11] & 0x20) |
892 ((brdcfg[5] & 0x02) << 3);
893 sw[7] = (((~QIXIS_READ(rst_ctl)) & 0x40) << 1) |
894 ((brdcfg[5] & 0x10) << 2);
895 sw[8] = ((brdcfg[12] & 0x08) << 4) |
896 ((brdcfg[12] & 0x03) << 5);
898 puts("DIP switch (reverse-engineering)\n");
899 for (i = 0; i < 9; i++) {
900 printf("SW%d = 0b%s (0x%02x)\n",
901 i + 1, byte_to_binary_mask(sw[i], mask[i], buf), sw[i]);
905 static int do_vdd_adjust(struct cmd_tbl *cmdtp,
912 return CMD_RET_USAGE;
913 if (!strict_strtoul(argv[1], 10, &override))
914 adjust_vdd(override); /* the value is checked by callee */
916 return CMD_RET_USAGE;
922 vdd_override, 2, 0, do_vdd_adjust,
924 "- override with the voltage specified in mV, eg. 1050"