1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2018-2020 NXP
7 #include <clock_legacy.h>
9 #include <dm/platform_data/serial_pl01x.h>
17 #include <fdt_support.h>
18 #include <linux/libfdt.h>
19 #include <fsl-mc/fsl_mc.h>
20 #include <env_internal.h>
21 #include <efi_loader.h>
22 #include <asm/arch/mmu.h>
24 #include <asm/arch/clock.h>
25 #include <asm/arch/config.h>
26 #include <asm/arch/fsl_serdes.h>
27 #include <asm/arch/soc.h>
28 #include "../common/qixis.h"
29 #include "../common/vid.h"
30 #include <fsl_immap.h>
31 #include <asm/arch-fsl-layerscape/fsl_icid.h>
32 #include <asm/gic-v3.h>
36 #include "../common/emc2305.h"
39 #define GIC_LPI_SIZE 0x200000
40 #ifdef CONFIG_TARGET_LX2160AQDS
41 #define CFG_MUX_I2C_SDHC(reg, value) ((reg & 0x3f) | value)
42 #define SET_CFG_MUX1_SDHC1_SDHC(reg) (reg & 0x3f)
43 #define SET_CFG_MUX2_SDHC1_SPI(reg, value) ((reg & 0xcf) | value)
44 #define SET_CFG_MUX3_SDHC1_SPI(reg, value) ((reg & 0xf8) | value)
45 #define SET_CFG_MUX_SDHC2_DSPI(reg, value) ((reg & 0xf8) | value)
46 #define SET_CFG_MUX1_SDHC1_DSPI(reg, value) ((reg & 0x3f) | value)
47 #define SDHC1_BASE_PMUX_DSPI 2
48 #define SDHC2_BASE_PMUX_DSPI 2
49 #define IIC5_PMUX_SPI3 3
50 #endif /* CONFIG_TARGET_LX2160AQDS */
52 DECLARE_GLOBAL_DATA_PTR;
54 static struct pl01x_serial_platdata serial0 = {
55 #if CONFIG_CONS_INDEX == 0
56 .base = CONFIG_SYS_SERIAL0,
57 #elif CONFIG_CONS_INDEX == 1
58 .base = CONFIG_SYS_SERIAL1,
60 #error "Unsupported console index value."
65 U_BOOT_DEVICE(nxp_serial0) = {
66 .name = "serial_pl01x",
70 static struct pl01x_serial_platdata serial1 = {
71 .base = CONFIG_SYS_SERIAL1,
75 U_BOOT_DEVICE(nxp_serial1) = {
76 .name = "serial_pl01x",
80 int select_i2c_ch_pca9547(u8 ch)
85 ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
89 ret = i2c_get_chip_for_busnum(0, I2C_MUX_PCA_ADDR_PRI, 1, &dev);
91 ret = dm_i2c_write(dev, 0, &ch, 1);
94 puts("PCA: failed to select proper channel\n");
101 static void uart_get_clock(void)
103 serial0.clock = get_serial_clock();
104 serial1.clock = get_serial_clock();
107 int board_early_init_f(void)
109 #ifdef CONFIG_SYS_I2C_EARLY_INIT
112 /* get required clock for UART IP */
115 #ifdef CONFIG_EMC2305
116 select_i2c_ch_pca9547(I2C_MUX_CH_EMC2305);
118 set_fan_speed(I2C_EMC2305_PWM);
119 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
122 fsl_lsch3_early_init_f();
126 #ifdef CONFIG_OF_BOARD_FIXUP
127 int board_fix_fdt(void *fdt)
129 char *reg_names, *reg_name;
130 int names_len, old_name_len, new_name_len, remaining_names_len;
134 } reg_names_map[] = {
136 { "pf_ctrl", "ctrl" }
140 if (IS_SVR_REV(get_svr(), 1, 0))
143 off = fdt_node_offset_by_compatible(fdt, -1, "fsl,lx2160a-pcie");
144 while (off != -FDT_ERR_NOTFOUND) {
145 fdt_setprop(fdt, off, "compatible", "fsl,ls-pcie",
146 strlen("fsl,ls-pcie") + 1);
148 reg_names = (char *)fdt_getprop(fdt, off, "reg-names",
153 reg_name = reg_names;
154 remaining_names_len = names_len - (reg_name - reg_names);
156 while ((i < ARRAY_SIZE(reg_names_map)) && remaining_names_len) {
157 old_name_len = strlen(reg_names_map[i].old_str);
158 new_name_len = strlen(reg_names_map[i].new_str);
159 if (memcmp(reg_name, reg_names_map[i].old_str,
160 old_name_len) == 0) {
161 /* first only leave required bytes for new_str
162 * and copy rest of the string after it
164 memcpy(reg_name + new_name_len,
165 reg_name + old_name_len,
166 remaining_names_len - old_name_len);
167 /* Now copy new_str */
168 memcpy(reg_name, reg_names_map[i].new_str,
170 names_len -= old_name_len;
171 names_len += new_name_len;
175 reg_name = memchr(reg_name, '\0', remaining_names_len);
181 remaining_names_len = names_len -
182 (reg_name - reg_names);
185 fdt_setprop(fdt, off, "reg-names", reg_names, names_len);
186 off = fdt_node_offset_by_compatible(fdt, off,
194 #if defined(CONFIG_TARGET_LX2160AQDS)
195 void esdhc_dspi_status_fixup(void *blob)
197 const char esdhc0_path[] = "/soc/esdhc@2140000";
198 const char esdhc1_path[] = "/soc/esdhc@2150000";
199 const char dspi0_path[] = "/soc/spi@2100000";
200 const char dspi1_path[] = "/soc/spi@2110000";
201 const char dspi2_path[] = "/soc/spi@2120000";
203 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
208 /* Check RCW field sdhc1_base_pmux to enable/disable
209 * esdhc0/dspi0 DT node
211 sdhc1_base_pmux = gur_in32(&gur->rcwsr[FSL_CHASSIS3_RCWSR12_REGSR - 1])
212 & FSL_CHASSIS3_SDHC1_BASE_PMUX_MASK;
213 sdhc1_base_pmux >>= FSL_CHASSIS3_SDHC1_BASE_PMUX_SHIFT;
215 if (sdhc1_base_pmux == SDHC1_BASE_PMUX_DSPI) {
216 do_fixup_by_path(blob, dspi0_path, "status", "okay",
218 do_fixup_by_path(blob, esdhc0_path, "status", "disabled",
219 sizeof("disabled"), 1);
221 do_fixup_by_path(blob, esdhc0_path, "status", "okay",
223 do_fixup_by_path(blob, dspi0_path, "status", "disabled",
224 sizeof("disabled"), 1);
227 /* Check RCW field sdhc2_base_pmux to enable/disable
228 * esdhc1/dspi1 DT node
230 sdhc2_base_pmux = gur_in32(&gur->rcwsr[FSL_CHASSIS3_RCWSR13_REGSR - 1])
231 & FSL_CHASSIS3_SDHC2_BASE_PMUX_MASK;
232 sdhc2_base_pmux >>= FSL_CHASSIS3_SDHC2_BASE_PMUX_SHIFT;
234 if (sdhc2_base_pmux == SDHC2_BASE_PMUX_DSPI) {
235 do_fixup_by_path(blob, dspi1_path, "status", "okay",
237 do_fixup_by_path(blob, esdhc1_path, "status", "disabled",
238 sizeof("disabled"), 1);
240 do_fixup_by_path(blob, esdhc1_path, "status", "okay",
242 do_fixup_by_path(blob, dspi1_path, "status", "disabled",
243 sizeof("disabled"), 1);
246 /* Check RCW field IIC5 to enable dspi2 DT node */
247 iic5_pmux = gur_in32(&gur->rcwsr[FSL_CHASSIS3_RCWSR12_REGSR - 1])
248 & FSL_CHASSIS3_IIC5_PMUX_MASK;
249 iic5_pmux >>= FSL_CHASSIS3_IIC5_PMUX_SHIFT;
251 if (iic5_pmux == IIC5_PMUX_SPI3)
252 do_fixup_by_path(blob, dspi2_path, "status", "okay",
255 do_fixup_by_path(blob, dspi2_path, "status", "disabled",
256 sizeof("disabled"), 1);
260 int esdhc_status_fixup(void *blob, const char *compat)
262 #if defined(CONFIG_TARGET_LX2160AQDS)
263 /* Enable esdhc and dspi DT nodes based on RCW fields */
264 esdhc_dspi_status_fixup(blob);
266 /* Enable both esdhc DT nodes for LX2160ARDB */
267 do_fixup_by_compat(blob, compat, "status", "okay",
273 #if defined(CONFIG_VID)
274 int i2c_multiplexer_select_vid_channel(u8 channel)
276 return select_i2c_ch_pca9547(channel);
279 int init_func_vid(void)
283 if (IS_SVR_REV(get_svr(), 1, 0))
284 set_vid = adjust_vdd(800);
286 set_vid = adjust_vdd(0);
289 printf("core voltage not adjusted\n");
297 enum boot_src src = get_boot_src();
300 #ifdef CONFIG_TARGET_LX2160AQDS
302 static const char *const freq[] = {"100", "125", "156.25",
303 "161.13", "322.26", "", "", "",
304 "", "", "", "", "", "", "",
305 "100 separate SSCG"};
309 #ifdef CONFIG_TARGET_LX2160AQDS
310 printf("Board: %s-QDS, ", buf);
312 printf("Board: %s-RDB, ", buf);
315 sw = QIXIS_READ(arch);
316 printf("Board version: %c, boot from ", (sw & 0xf) - 1 + 'A');
318 if (src == BOOT_SOURCE_SD_MMC) {
320 } else if (src == BOOT_SOURCE_SD_MMC2) {
323 sw = QIXIS_READ(brdcfg[0]);
324 sw = (sw >> QIXIS_XMAP_SHIFT) & QIXIS_XMAP_MASK;
328 puts("FlexSPI DEV#0\n");
331 puts("FlexSPI DEV#1\n");
335 puts("FlexSPI EMU\n");
338 printf("invalid setting, xmap: %d\n", sw);
342 #ifdef CONFIG_TARGET_LX2160AQDS
343 printf("FPGA: v%d (%s), build %d",
344 (int)QIXIS_READ(scver), qixis_read_tag(buf),
345 (int)qixis_read_minor());
346 /* the timestamp string contains "\n" at the end */
347 printf(" on %s", qixis_read_time(buf));
349 puts("SERDES1 Reference : ");
350 sw = QIXIS_READ(brdcfg[2]);
352 printf("Clock1 = %sMHz ", freq[clock]);
354 printf("Clock2 = %sMHz", freq[clock]);
356 sw = QIXIS_READ(brdcfg[3]);
357 puts("\nSERDES2 Reference : ");
359 printf("Clock1 = %sMHz ", freq[clock]);
361 printf("Clock2 = %sMHz", freq[clock]);
363 sw = QIXIS_READ(brdcfg[12]);
364 puts("\nSERDES3 Reference : ");
366 printf("Clock1 = %sMHz Clock2 = %sMHz\n", freq[clock], freq[clock]);
368 printf("FPGA: v%d.%d\n", QIXIS_READ(scver), QIXIS_READ(tagdata));
370 puts("SERDES1 Reference: Clock1 = 161.13MHz Clock2 = 161.13MHz\n");
371 puts("SERDES2 Reference: Clock1 = 100MHz Clock2 = 100MHz\n");
372 puts("SERDES3 Reference: Clock1 = 100MHz Clock2 = 100MHz\n");
377 #ifdef CONFIG_TARGET_LX2160AQDS
379 * implementation of CONFIG_ESDHC_DETECT_QUIRK Macro.
381 u8 qixis_esdhc_detect_quirk(void)
383 /* for LX2160AQDS res1[1] @ offset 0x1A is SDHC1 Control/Status (SDHC1)
385 * Specifies the type of card installed in the SDHC1 adapter slot.
387 * 001= eMMC V4.5 adapter is installed.
388 * 010= SD/MMC 3.3V adapter is installed.
389 * 011= eMMC V4.4 adapter is installed.
390 * 100= eMMC V5.0 adapter is installed.
391 * 101= MMC card/Legacy (3.3V) adapter is installed.
392 * 110= SDCard V2/V3 adapter installed.
393 * 111= no adapter is installed.
395 return ((QIXIS_READ(res1[1]) & QIXIS_SDID_MASK) !=
396 QIXIS_ESDHC_NO_ADAPTER);
399 int config_board_mux(void)
401 u8 reg11, reg5, reg13;
402 struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
407 /* Routes {I2C2_SCL, I2C2_SDA} to SDHC1 as {SDHC1_CD_B, SDHC1_WP}.
408 * Routes {I2C3_SCL, I2C3_SDA} to CAN transceiver as {CAN1_TX,CAN1_RX}.
409 * Routes {I2C4_SCL, I2C4_SDA} to CAN transceiver as {CAN2_TX,CAN2_RX}.
410 * Qixis and remote systems are isolated from the I2C1 bus.
411 * Processor connections are still available.
412 * SPI2 CS2_B controls EN25S64 SPI memory device.
413 * SPI3 CS2_B controls EN25S64 SPI memory device.
414 * EC2 connects to PHY #2 using RGMII protocol.
415 * CLK_OUT connects to FPGA for clock measurement.
418 reg5 = QIXIS_READ(brdcfg[5]);
419 reg5 = CFG_MUX_I2C_SDHC(reg5, 0x40);
420 QIXIS_WRITE(brdcfg[5], reg5);
422 /* Check RCW field sdhc1_base_pmux
423 * esdhc0 : sdhc1_base_pmux = 0
424 * dspi0 : sdhc1_base_pmux = 2
426 sdhc1_base_pmux = gur_in32(&gur->rcwsr[FSL_CHASSIS3_RCWSR12_REGSR - 1])
427 & FSL_CHASSIS3_SDHC1_BASE_PMUX_MASK;
428 sdhc1_base_pmux >>= FSL_CHASSIS3_SDHC1_BASE_PMUX_SHIFT;
430 if (sdhc1_base_pmux == SDHC1_BASE_PMUX_DSPI) {
431 reg11 = QIXIS_READ(brdcfg[11]);
432 reg11 = SET_CFG_MUX1_SDHC1_DSPI(reg11, 0x40);
433 QIXIS_WRITE(brdcfg[11], reg11);
435 /* - Routes {SDHC1_CMD, SDHC1_CLK } to SDHC1 adapter slot.
436 * {SDHC1_DAT3, SDHC1_DAT2} to SDHC1 adapter slot.
437 * {SDHC1_DAT1, SDHC1_DAT0} to SDHC1 adapter slot.
439 reg11 = QIXIS_READ(brdcfg[11]);
440 reg11 = SET_CFG_MUX1_SDHC1_SDHC(reg11);
441 QIXIS_WRITE(brdcfg[11], reg11);
444 /* Check RCW field sdhc2_base_pmux
445 * esdhc1 : sdhc2_base_pmux = 0 (default)
446 * dspi1 : sdhc2_base_pmux = 2
448 sdhc2_base_pmux = gur_in32(&gur->rcwsr[FSL_CHASSIS3_RCWSR13_REGSR - 1])
449 & FSL_CHASSIS3_SDHC2_BASE_PMUX_MASK;
450 sdhc2_base_pmux >>= FSL_CHASSIS3_SDHC2_BASE_PMUX_SHIFT;
452 if (sdhc2_base_pmux == SDHC2_BASE_PMUX_DSPI) {
453 reg13 = QIXIS_READ(brdcfg[13]);
454 reg13 = SET_CFG_MUX_SDHC2_DSPI(reg13, 0x01);
455 QIXIS_WRITE(brdcfg[13], reg13);
457 reg13 = QIXIS_READ(brdcfg[13]);
458 reg13 = SET_CFG_MUX_SDHC2_DSPI(reg13, 0x00);
459 QIXIS_WRITE(brdcfg[13], reg13);
462 /* Check RCW field IIC5 to enable dspi2 DT nodei
465 iic5_pmux = gur_in32(&gur->rcwsr[FSL_CHASSIS3_RCWSR12_REGSR - 1])
466 & FSL_CHASSIS3_IIC5_PMUX_MASK;
467 iic5_pmux >>= FSL_CHASSIS3_IIC5_PMUX_SHIFT;
469 if (iic5_pmux == IIC5_PMUX_SPI3) {
470 /* - Routes {SDHC1_DAT4} to SPI3 devices as {SPI3_M_CS0_B}. */
471 reg11 = QIXIS_READ(brdcfg[11]);
472 reg11 = SET_CFG_MUX2_SDHC1_SPI(reg11, 0x10);
473 QIXIS_WRITE(brdcfg[11], reg11);
475 /* - Routes {SDHC1_DAT5, SDHC1_DAT6} nowhere.
476 * {SDHC1_DAT7, SDHC1_DS } to {nothing, SPI3_M0_CLK }.
477 * {I2C5_SCL, I2C5_SDA } to {SPI3_M0_MOSI, SPI3_M0_MISO}.
479 reg11 = QIXIS_READ(brdcfg[11]);
480 reg11 = SET_CFG_MUX3_SDHC1_SPI(reg11, 0x01);
481 QIXIS_WRITE(brdcfg[11], reg11);
484 * If {SDHC1_DAT4} has been configured to route to SDHC1_VS,
486 * Otherwise route {SDHC1_DAT4} to SDHC1 adapter slot.
488 reg11 = QIXIS_READ(brdcfg[11]);
489 if ((reg11 & 0x30) != 0x30) {
490 reg11 = SET_CFG_MUX2_SDHC1_SPI(reg11, 0x00);
491 QIXIS_WRITE(brdcfg[11], reg11);
494 /* - Routes {SDHC1_DAT5, SDHC1_DAT6} to SDHC1 adapter slot.
495 * {SDHC1_DAT7, SDHC1_DS } to SDHC1 adapter slot.
496 * {I2C5_SCL, I2C5_SDA } to SDHC1 adapter slot.
498 reg11 = QIXIS_READ(brdcfg[11]);
499 reg11 = SET_CFG_MUX3_SDHC1_SPI(reg11, 0x00);
500 QIXIS_WRITE(brdcfg[11], reg11);
505 #elif defined(CONFIG_TARGET_LX2160ARDB)
506 int config_board_mux(void)
510 brdcfg = QIXIS_READ(brdcfg[4]);
511 /* The BRDCFG4 register controls general board configuration.
512 *|-------------------------------------------|
514 *|-------------------------------------------|
515 *|5 | CAN I/O Enable (net CFG_CAN_EN_B):|
516 *|CAN_EN | 0= CAN transceivers are disabled. |
517 *| | 1= CAN transceivers are enabled. |
518 *|-------------------------------------------|
520 brdcfg |= BIT_MASK(5);
521 QIXIS_WRITE(brdcfg[4], brdcfg);
526 int config_board_mux(void)
532 unsigned long get_board_sys_clk(void)
534 #ifdef CONFIG_TARGET_LX2160AQDS
535 u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
537 switch (sysclk_conf & 0x03) {
538 case QIXIS_SYSCLK_100:
540 case QIXIS_SYSCLK_125:
542 case QIXIS_SYSCLK_133:
551 unsigned long get_board_ddr_clk(void)
553 #ifdef CONFIG_TARGET_LX2160AQDS
554 u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
556 switch ((ddrclk_conf & 0x30) >> 4) {
557 case QIXIS_DDRCLK_100:
559 case QIXIS_DDRCLK_125:
561 case QIXIS_DDRCLK_133:
572 #if defined(CONFIG_FSL_MC_ENET) && defined(CONFIG_TARGET_LX2160ARDB)
573 u32 __iomem *irq_ccsr = (u32 __iomem *)ISC_BASE;
575 #ifdef CONFIG_ENV_IS_NOWHERE
576 gd->env_addr = (ulong)&default_environment[0];
579 select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);
581 #if defined(CONFIG_FSL_MC_ENET) && defined(CONFIG_TARGET_LX2160ARDB)
582 /* invert AQR107 IRQ pins polarity */
583 out_le32(irq_ccsr + IRQCR_OFFSET / 4, AQR107_IRQ_MASK);
586 #ifdef CONFIG_FSL_CAAM
593 void detail_board_ddr_info(void)
599 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
600 ddr_size += gd->bd->bi_dram[i].size;
601 print_size(ddr_size, "");
605 #ifdef CONFIG_MISC_INIT_R
606 int misc_init_r(void)
614 #ifdef CONFIG_FSL_MC_ENET
615 extern int fdt_fixup_board_phy(void *fdt);
617 void fdt_fixup_board_enet(void *fdt)
621 offset = fdt_path_offset(fdt, "/soc/fsl-mc");
624 offset = fdt_path_offset(fdt, "/fsl-mc");
627 printf("%s: fsl-mc node not found in device tree (error %d)\n",
632 if (get_mc_boot_status() == 0 &&
633 (is_lazy_dpl_addr_valid() || get_dpl_apply_status() == 0)) {
634 fdt_status_okay(fdt, offset);
635 fdt_fixup_board_phy(fdt);
637 fdt_status_fail(fdt, offset);
641 void board_quiesce_devices(void)
643 fsl_mc_ldpaa_exit(gd->bd);
647 #ifdef CONFIG_GIC_V3_ITS
648 void fdt_fixup_gic_lpi_memory(void *blob, u64 gic_lpi_base)
652 struct fdt_memory gic_lpi;
654 gic_lpi.start = gic_lpi_base;
655 gic_lpi.end = gic_lpi_base + GIC_LPI_SIZE - 1;
656 err = fdtdec_add_reserved_memory(blob, "gic-lpi", &gic_lpi, &phandle);
658 debug("failed to add reserved memory: %d\n", err);
662 #ifdef CONFIG_OF_BOARD_SETUP
663 int ft_board_setup(void *blob, bd_t *bd)
666 u16 mc_memory_bank = 0;
670 u64 mc_memory_base = 0;
671 u64 mc_memory_size = 0;
672 u16 total_memory_banks;
675 ft_cpu_setup(blob, bd);
677 fdt_fixup_mc_ddr(&mc_memory_base, &mc_memory_size);
679 if (mc_memory_base != 0)
682 total_memory_banks = CONFIG_NR_DRAM_BANKS + mc_memory_bank;
684 base = calloc(total_memory_banks, sizeof(u64));
685 size = calloc(total_memory_banks, sizeof(u64));
687 /* fixup DT for the three GPP DDR banks */
688 for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
689 base[i] = gd->bd->bi_dram[i].start;
690 size[i] = gd->bd->bi_dram[i].size;
693 #ifdef CONFIG_GIC_V3_ITS
694 gic_lpi_base = gd->arch.resv_ram - GIC_LPI_SIZE;
695 gic_lpi_tables_init(gic_lpi_base, cpu_numcores());
696 fdt_fixup_gic_lpi_memory(blob, gic_lpi_base);
699 #ifdef CONFIG_RESV_RAM
700 /* reduce size if reserved memory is within this bank */
701 if (gd->arch.resv_ram >= base[0] &&
702 gd->arch.resv_ram < base[0] + size[0])
703 size[0] = gd->arch.resv_ram - base[0];
704 else if (gd->arch.resv_ram >= base[1] &&
705 gd->arch.resv_ram < base[1] + size[1])
706 size[1] = gd->arch.resv_ram - base[1];
707 else if (gd->arch.resv_ram >= base[2] &&
708 gd->arch.resv_ram < base[2] + size[2])
709 size[2] = gd->arch.resv_ram - base[2];
712 if (mc_memory_base != 0) {
713 for (i = 0; i <= total_memory_banks; i++) {
714 if (base[i] == 0 && size[i] == 0) {
715 base[i] = mc_memory_base;
716 size[i] = mc_memory_size;
722 fdt_fixup_memory_banks(blob, base, size, total_memory_banks);
725 fsl_fdt_fixup_dr_usb(blob, bd);
728 #ifdef CONFIG_FSL_MC_ENET
729 fdt_fsl_mc_fixup_iommu_map_entry(blob);
730 fdt_fixup_board_enet(blob);
732 fdt_fixup_icid(blob);
738 void qixis_dump_switch(void)
742 QIXIS_WRITE(cms[0], 0x00);
743 nr_of_cfgsw = QIXIS_READ(cms[1]);
745 puts("DIP switch settings dump:\n");
746 for (i = 1; i <= nr_of_cfgsw; i++) {
747 QIXIS_WRITE(cms[0], i);
748 printf("SW%d = (0x%02x)\n", i, QIXIS_READ(cms[1]));