board/freescale/common/qixis.c - platform/external/u-boot - Gitiles

 // SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2011 Freescale Semiconductor
  * Copyright 2020 NXP
  * Author: Shengzhou Liu <Shengzhou.Liu@freescale.com>
  *
  * This file provides support for the QIXIS of some Freescale reference boards.
  */

 #include <common.h>
 #include <command.h>
 #include <asm/io.h>
 #include <linux/compiler.h>
 #include <linux/time.h>
 #include <i2c.h>
 #include "qixis.h"

 #ifndef QIXIS_LBMAP_BRDCFG_REG
 /*
  * For consistency with existing platforms
  */
 #define QIXIS_LBMAP_BRDCFG_REG 0x00
 #endif

 #ifndef QIXIS_RCFG_CTL_RECONFIG_IDLE
 #define QIXIS_RCFG_CTL_RECONFIG_IDLE 0x20
 #endif
 #ifndef QIXIS_RCFG_CTL_RECONFIG_START
 #define QIXIS_RCFG_CTL_RECONFIG_START 0x21
 #endif

 #ifdef CONFIG_SYS_I2C_FPGA_ADDR
 u8 qixis_read_i2c(unsigned int reg)
 {
 #if !CONFIG_IS_ENABLED(DM_I2C)
 	return i2c_reg_read(CONFIG_SYS_I2C_FPGA_ADDR, reg);
 #else
 	struct udevice *dev;

 	if (i2c_get_chip_for_busnum(0, CONFIG_SYS_I2C_FPGA_ADDR, 1, &dev))
 		return 0xff;

 	return dm_i2c_reg_read(dev, reg);
 #endif
 }

 void qixis_write_i2c(unsigned int reg, u8 value)
 {
 	u8 val = value;
 #if !CONFIG_IS_ENABLED(DM_I2C)
 	i2c_reg_write(CONFIG_SYS_I2C_FPGA_ADDR, reg, val);
 #else
 	struct udevice *dev;

 	if (!i2c_get_chip_for_busnum(0, CONFIG_SYS_I2C_FPGA_ADDR, 1, &dev))
 		dm_i2c_reg_write(dev, reg, val);
 #endif

 }
 #endif

 #ifdef QIXIS_BASE
 u8 qixis_read(unsigned int reg)
 {
 	void *p = (void *)QIXIS_BASE;

 	return in_8(p + reg);
 }

 void qixis_write(unsigned int reg, u8 value)
 {
 	void *p = (void *)QIXIS_BASE;

 	out_8(p + reg, value);
 }
 #endif

 u16 qixis_read_minor(void)
 {
 	u16 minor;

 	/* this data is in little endian */
 	QIXIS_WRITE(tagdata, 5);
 	minor = QIXIS_READ(tagdata);
 	QIXIS_WRITE(tagdata, 6);
 	minor += QIXIS_READ(tagdata) << 8;

 	return minor;
 }

 char *qixis_read_time(char *result)
 {
 	time_t time = 0;
 	int i;

 	/* timestamp is in 32-bit big endian */
 	for (i = 8; i <= 11; i++) {
 		QIXIS_WRITE(tagdata, i);
 		time =  (time << 8) + QIXIS_READ(tagdata);
 	}

 	return ctime_r(&time, result);
 }

 char *qixis_read_tag(char *buf)
 {
 	int i;
 	char tag, *ptr = buf;

 	for (i = 16; i <= 63; i++) {
 		QIXIS_WRITE(tagdata, i);
 		tag = QIXIS_READ(tagdata);
 		*(ptr++) = tag;
 		if (!tag)
 			break;
 	}
 	if (i > 63)
 		*ptr = '\0';

 	return buf;
 }

 /*
  * return the string of binary of u8 in the format of
  * 1010 10_0. The masked bit is filled as underscore.
  */
 const char *byte_to_binary_mask(u8 val, u8 mask, char *buf)
 {
 	char *ptr;
 	int i;

 	ptr = buf;
 	for (i = 0x80; i > 0x08 ; i >>= 1, ptr++)
 		*ptr = (val & i) ? '1' : ((mask & i) ? '_' : '0');
 	*(ptr++) = ' ';
 	for (i = 0x08; i > 0 ; i >>= 1, ptr++)
 		*ptr = (val & i) ? '1' : ((mask & i) ? '_' : '0');

 	*ptr = '\0';

 	return buf;
 }

 #ifdef QIXIS_RST_FORCE_MEM
 void board_assert_mem_reset(void)
 {
 	u8 rst;

 	rst = QIXIS_READ(rst_frc[0]);
 	if (!(rst & QIXIS_RST_FORCE_MEM))
 		QIXIS_WRITE(rst_frc[0], rst | QIXIS_RST_FORCE_MEM);
 }

 void board_deassert_mem_reset(void)
 {
 	u8 rst;

 	rst = QIXIS_READ(rst_frc[0]);
 	if (rst & QIXIS_RST_FORCE_MEM)
 		QIXIS_WRITE(rst_frc[0], rst & ~QIXIS_RST_FORCE_MEM);
 }
 #endif

 #ifndef CONFIG_SPL_BUILD
 static void qixis_reset(void)
 {
 	QIXIS_WRITE(rst_ctl, QIXIS_RST_CTL_RESET);
 }

 #ifdef QIXIS_LBMAP_ALTBANK
 static void qixis_bank_reset(void)
 {
 	QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_IDLE);
 	QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_START);
 }
 #endif

 static void __maybe_unused set_lbmap(int lbmap)
 {
 	u8 reg;

 	reg = QIXIS_READ(brdcfg[QIXIS_LBMAP_BRDCFG_REG]);
 	reg = (reg & ~QIXIS_LBMAP_MASK) | lbmap;
 	QIXIS_WRITE(brdcfg[QIXIS_LBMAP_BRDCFG_REG], reg);
 }

 static void __maybe_unused set_rcw_src(int rcw_src)
 {
 #ifdef CONFIG_NXP_LSCH3_2
 	QIXIS_WRITE(dutcfg[0], (rcw_src & 0xff));
 #else
 	u8 reg;

 	reg = QIXIS_READ(dutcfg[1]);
 	reg = (reg & ~1) | (rcw_src & 1);
 	QIXIS_WRITE(dutcfg[1], reg);
 	QIXIS_WRITE(dutcfg[0], (rcw_src >> 1) & 0xff);
 #endif
 }

 static void qixis_dump_regs(void)
 {
 	int i;

 	printf("id	= %02x\n", QIXIS_READ(id));
 	printf("arch	= %02x\n", QIXIS_READ(arch));
 	printf("scver	= %02x\n", QIXIS_READ(scver));
 	printf("model	= %02x\n", QIXIS_READ(model));
 	printf("rst_ctl	= %02x\n", QIXIS_READ(rst_ctl));
 	printf("aux	= %02x\n", QIXIS_READ(aux));
 	for (i = 0; i < 16; i++)
 		printf("brdcfg%02d = %02x\n", i, QIXIS_READ(brdcfg[i]));
 	for (i = 0; i < 16; i++)
 		printf("dutcfg%02d = %02x\n", i, QIXIS_READ(dutcfg[i]));
 	printf("sclk	= %02x%02x%02x\n", QIXIS_READ(sclk[0]),
 		QIXIS_READ(sclk[1]), QIXIS_READ(sclk[2]));
 	printf("dclk	= %02x%02x%02x\n", QIXIS_READ(dclk[0]),
 		QIXIS_READ(dclk[1]), QIXIS_READ(dclk[2]));
 	printf("aux     = %02x\n", QIXIS_READ(aux));
 	printf("watch	= %02x\n", QIXIS_READ(watch));
 	printf("ctl_sys	= %02x\n", QIXIS_READ(ctl_sys));
 	printf("rcw_ctl = %02x\n", QIXIS_READ(rcw_ctl));
 	printf("present = %02x\n", QIXIS_READ(present));
 	printf("present2 = %02x\n", QIXIS_READ(present2));
 	printf("clk_spd = %02x\n", QIXIS_READ(clk_spd));
 	printf("stat_dut = %02x\n", QIXIS_READ(stat_dut));
 	printf("stat_sys = %02x\n", QIXIS_READ(stat_sys));
 	printf("stat_alrm = %02x\n", QIXIS_READ(stat_alrm));
 }

 void __weak qixis_dump_switch(void)
 {
 	puts("Reverse engineering switch is not implemented for this board\n");
 }

 static int qixis_reset_cmd(struct cmd_tbl *cmdtp, int flag, int argc,
 			   char *const argv[])
 {
 	int i;

 	if (argc <= 1) {
 		set_lbmap(QIXIS_LBMAP_DFLTBANK);
 		qixis_reset();
 	} else if (strcmp(argv[1], "altbank") == 0) {
 #ifdef QIXIS_LBMAP_ALTBANK
 		set_lbmap(QIXIS_LBMAP_ALTBANK);
 		qixis_bank_reset();
 #else
 		printf("No Altbank!\n");
 #endif
 	} else if (strcmp(argv[1], "nand") == 0) {
 #ifdef QIXIS_LBMAP_NAND
 		QIXIS_WRITE(rst_ctl, 0x30);
 		QIXIS_WRITE(rcfg_ctl, 0);
 		set_lbmap(QIXIS_LBMAP_NAND);
 		set_rcw_src(QIXIS_RCW_SRC_NAND);
 		QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_IDLE);
 		QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_START);
 #else
 		printf("Not implemented\n");
 #endif
 	} else if (strcmp(argv[1], "sd") == 0) {
 #ifdef QIXIS_LBMAP_SD
 		QIXIS_WRITE(rst_ctl, 0x30);
 		QIXIS_WRITE(rcfg_ctl, 0);
 #ifdef NON_EXTENDED_DUTCFG
 		QIXIS_WRITE(dutcfg[0], QIXIS_RCW_SRC_SD);
 #else
 		set_lbmap(QIXIS_LBMAP_SD);
 		set_rcw_src(QIXIS_RCW_SRC_SD);
 #endif
 		QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_IDLE);
 		QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_START);
 #else
 		printf("Not implemented\n");
 #endif
 	} else if (strcmp(argv[1], "ifc") == 0) {
 #ifdef QIXIS_LBMAP_IFC
 		QIXIS_WRITE(rst_ctl, 0x30);
 		QIXIS_WRITE(rcfg_ctl, 0);
 		set_lbmap(QIXIS_LBMAP_IFC);
 		set_rcw_src(QIXIS_RCW_SRC_IFC);
 		QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_IDLE);
 		QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_START);
 #else
 		printf("Not implemented\n");
 #endif
 	} else if (strcmp(argv[1], "emmc") == 0) {
 #ifdef QIXIS_LBMAP_EMMC
 		QIXIS_WRITE(rst_ctl, 0x30);
 		QIXIS_WRITE(rcfg_ctl, 0);
 #ifndef NON_EXTENDED_DUTCFG
 		set_lbmap(QIXIS_LBMAP_EMMC);
 #endif
 		set_rcw_src(QIXIS_RCW_SRC_EMMC);
 		QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_IDLE);
 		QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_START);
 #else
 		printf("Not implemented\n");
 #endif
 	} else if (strcmp(argv[1], "sd_qspi") == 0) {
 #ifdef QIXIS_LBMAP_SD_QSPI
 		QIXIS_WRITE(rst_ctl, 0x30);
 		QIXIS_WRITE(rcfg_ctl, 0);
 		set_lbmap(QIXIS_LBMAP_SD_QSPI);
 		set_rcw_src(QIXIS_RCW_SRC_SD);
 		qixis_write_i2c(offsetof(struct qixis, rcfg_ctl),
 				QIXIS_RCFG_CTL_RECONFIG_IDLE);
 		qixis_write_i2c(offsetof(struct qixis, rcfg_ctl),
 				QIXIS_RCFG_CTL_RECONFIG_START);
 #else
 		printf("Not implemented\n");
 #endif
 	} else if (strcmp(argv[1], "qspi") == 0) {
 #ifdef QIXIS_LBMAP_QSPI
 		QIXIS_WRITE(rst_ctl, 0x30);
 		QIXIS_WRITE(rcfg_ctl, 0);
 		set_lbmap(QIXIS_LBMAP_QSPI);
 		set_rcw_src(QIXIS_RCW_SRC_QSPI);
 		qixis_write_i2c(offsetof(struct qixis, rcfg_ctl),
 				QIXIS_RCFG_CTL_RECONFIG_IDLE);
 		qixis_write_i2c(offsetof(struct qixis, rcfg_ctl),
 				QIXIS_RCFG_CTL_RECONFIG_START);
 #else
 		printf("Not implemented\n");
 #endif
 	} else if (strcmp(argv[1], "xspi") == 0) {
 #ifdef QIXIS_LBMAP_XSPI
 		QIXIS_WRITE(rst_ctl, 0x30);
 		QIXIS_WRITE(rcfg_ctl, 0);
 		set_lbmap(QIXIS_LBMAP_XSPI);
 		set_rcw_src(QIXIS_RCW_SRC_XSPI);
 		qixis_write_i2c(offsetof(struct qixis, rcfg_ctl),
 				QIXIS_RCFG_CTL_RECONFIG_IDLE);
 		qixis_write_i2c(offsetof(struct qixis, rcfg_ctl),
 				QIXIS_RCFG_CTL_RECONFIG_START);
 #else
 		printf("Not implemented\n");
 #endif
 	} else if (strcmp(argv[1], "watchdog") == 0) {
 		static char *period[9] = {"2s", "4s", "8s", "16s", "32s",
 					  "1min", "2min", "4min", "8min"};
 		u8 rcfg = QIXIS_READ(rcfg_ctl);

 		if (argv[2] == NULL) {
 			printf("qixis watchdog <watchdog_period>\n");
 			return 0;
 		}
 		for (i = 0; i < ARRAY_SIZE(period); i++) {
 			if (strcmp(argv[2], period[i]) == 0) {
 				/* disable watchdog */
 				QIXIS_WRITE(rcfg_ctl,
 					rcfg & ~QIXIS_RCFG_CTL_WATCHDOG_ENBLE);
 				QIXIS_WRITE(watch, ((i<<2) - 1));
 				QIXIS_WRITE(rcfg_ctl, rcfg);
 				return 0;
 			}
 		}
 	} else if (strcmp(argv[1], "dump") == 0) {
 		qixis_dump_regs();
 		return 0;
 	} else if (strcmp(argv[1], "switch") == 0) {
 		qixis_dump_switch();
 		return 0;
 	} else {
 		printf("Invalid option: %s\n", argv[1]);
 		return 1;
 	}

 	return 0;
 }

 U_BOOT_CMD(
 	qixis_reset, CONFIG_SYS_MAXARGS, 1, qixis_reset_cmd,
 	"Reset the board using the FPGA sequencer",
 	"- hard reset to default bank\n"
 	"qixis_reset altbank - reset to alternate bank\n"
 	"qixis_reset nand - reset to nand\n"
 	"qixis_reset sd - reset to sd\n"
 	"qixis_reset sd_qspi - reset to sd with qspi support\n"
 	"qixis_reset qspi - reset to qspi\n"
 	"qixis watchdog <watchdog_period> - set the watchdog period\n"
 	"	period: 1s 2s 4s 8s 16s 32s 1min 2min 4min 8min\n"
 	"qixis_reset dump - display the QIXIS registers\n"
 	"qixis_reset emmc - reset to emmc\n"
 	"qixis_reset switch - display switch\n"
 	);
 #endif
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* Copyright 2011 Freescale Semiconductor
	* Copyright 2020 NXP
	* Author: Shengzhou Liu <Shengzhou.Liu@freescale.com>
	*
	* This file provides support for the QIXIS of some Freescale reference boards.
	*/

	#include <common.h>
	#include <command.h>
	#include <asm/io.h>
	#include <linux/compiler.h>
	#include <linux/time.h>
	#include <i2c.h>
	#include "qixis.h"

	#ifndef QIXIS_LBMAP_BRDCFG_REG
	/*
	* For consistency with existing platforms
	*/
	#define QIXIS_LBMAP_BRDCFG_REG 0x00
	#endif

	#ifndef QIXIS_RCFG_CTL_RECONFIG_IDLE
	#define QIXIS_RCFG_CTL_RECONFIG_IDLE 0x20
	#endif
	#ifndef QIXIS_RCFG_CTL_RECONFIG_START
	#define QIXIS_RCFG_CTL_RECONFIG_START 0x21
	#endif

	#ifdef CONFIG_SYS_I2C_FPGA_ADDR
	u8 qixis_read_i2c(unsigned int reg)
	{
	#if !CONFIG_IS_ENABLED(DM_I2C)
	return i2c_reg_read(CONFIG_SYS_I2C_FPGA_ADDR, reg);
	#else
	struct udevice *dev;

	if (i2c_get_chip_for_busnum(0, CONFIG_SYS_I2C_FPGA_ADDR, 1, &dev))
	return 0xff;

	return dm_i2c_reg_read(dev, reg);
	#endif
	}

	void qixis_write_i2c(unsigned int reg, u8 value)
	{
	u8 val = value;
	#if !CONFIG_IS_ENABLED(DM_I2C)
	i2c_reg_write(CONFIG_SYS_I2C_FPGA_ADDR, reg, val);
	#else
	struct udevice *dev;

	if (!i2c_get_chip_for_busnum(0, CONFIG_SYS_I2C_FPGA_ADDR, 1, &dev))
	dm_i2c_reg_write(dev, reg, val);
	#endif

	}
	#endif

	#ifdef QIXIS_BASE
	u8 qixis_read(unsigned int reg)
	{
	void p = (void )QIXIS_BASE;

	return in_8(p + reg);
	}

	void qixis_write(unsigned int reg, u8 value)
	{
	void p = (void )QIXIS_BASE;

	out_8(p + reg, value);
	}
	#endif

	u16 qixis_read_minor(void)
	{
	u16 minor;

	/* this data is in little endian */
	QIXIS_WRITE(tagdata, 5);
	minor = QIXIS_READ(tagdata);
	QIXIS_WRITE(tagdata, 6);
	minor += QIXIS_READ(tagdata) << 8;

	return minor;
	}

	char qixis_read_time(char result)
	{
	time_t time = 0;
	int i;

	/* timestamp is in 32-bit big endian */
	for (i = 8; i <= 11; i++) {
	QIXIS_WRITE(tagdata, i);
	time = (time << 8) + QIXIS_READ(tagdata);
	}

	return ctime_r(&time, result);
	}

	char qixis_read_tag(char buf)
	{
	int i;
	char tag, *ptr = buf;

	for (i = 16; i <= 63; i++) {
	QIXIS_WRITE(tagdata, i);
	tag = QIXIS_READ(tagdata);
	*(ptr++) = tag;
	if (!tag)
	break;
	}
	if (i > 63)
	*ptr = '\0';

	return buf;
	}

	/*
	* return the string of binary of u8 in the format of
	* 1010 10_0. The masked bit is filled as underscore.
	*/
	const char byte_to_binary_mask(u8 val, u8 mask, char buf)
	{
	char *ptr;
	int i;

	ptr = buf;
	for (i = 0x80; i > 0x08 ; i >>= 1, ptr++)
	*ptr = (val & i) ? '1' : ((mask & i) ? '_' : '0');
	*(ptr++) = ' ';
	for (i = 0x08; i > 0 ; i >>= 1, ptr++)
	*ptr = (val & i) ? '1' : ((mask & i) ? '_' : '0');

	*ptr = '\0';

	return buf;
	}

	#ifdef QIXIS_RST_FORCE_MEM
	void board_assert_mem_reset(void)
	{
	u8 rst;

	rst = QIXIS_READ(rst_frc[0]);
	if (!(rst & QIXIS_RST_FORCE_MEM))
	QIXIS_WRITE(rst_frc[0], rst \| QIXIS_RST_FORCE_MEM);
	}

	void board_deassert_mem_reset(void)
	{
	u8 rst;

	rst = QIXIS_READ(rst_frc[0]);
	if (rst & QIXIS_RST_FORCE_MEM)
	QIXIS_WRITE(rst_frc[0], rst & ~QIXIS_RST_FORCE_MEM);
	}
	#endif

	#ifndef CONFIG_SPL_BUILD
	static void qixis_reset(void)
	{
	QIXIS_WRITE(rst_ctl, QIXIS_RST_CTL_RESET);
	}

	#ifdef QIXIS_LBMAP_ALTBANK
	static void qixis_bank_reset(void)
	{
	QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_IDLE);
	QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_START);
	}
	#endif

	static void __maybe_unused set_lbmap(int lbmap)
	{
	u8 reg;

	reg = QIXIS_READ(brdcfg[QIXIS_LBMAP_BRDCFG_REG]);
	reg = (reg & ~QIXIS_LBMAP_MASK) \| lbmap;
	QIXIS_WRITE(brdcfg[QIXIS_LBMAP_BRDCFG_REG], reg);
	}

	static void __maybe_unused set_rcw_src(int rcw_src)
	{
	#ifdef CONFIG_NXP_LSCH3_2
	QIXIS_WRITE(dutcfg[0], (rcw_src & 0xff));
	#else
	u8 reg;

	reg = QIXIS_READ(dutcfg[1]);
	reg = (reg & ~1) \| (rcw_src & 1);
	QIXIS_WRITE(dutcfg[1], reg);
	QIXIS_WRITE(dutcfg[0], (rcw_src >> 1) & 0xff);
	#endif
	}

	static void qixis_dump_regs(void)
	{
	int i;

	printf("id = %02x\n", QIXIS_READ(id));
	printf("arch = %02x\n", QIXIS_READ(arch));
	printf("scver = %02x\n", QIXIS_READ(scver));
	printf("model = %02x\n", QIXIS_READ(model));
	printf("rst_ctl = %02x\n", QIXIS_READ(rst_ctl));
	printf("aux = %02x\n", QIXIS_READ(aux));
	for (i = 0; i < 16; i++)
	printf("brdcfg%02d = %02x\n", i, QIXIS_READ(brdcfg[i]));
	for (i = 0; i < 16; i++)
	printf("dutcfg%02d = %02x\n", i, QIXIS_READ(dutcfg[i]));
	printf("sclk = %02x%02x%02x\n", QIXIS_READ(sclk[0]),
	QIXIS_READ(sclk[1]), QIXIS_READ(sclk[2]));
	printf("dclk = %02x%02x%02x\n", QIXIS_READ(dclk[0]),
	QIXIS_READ(dclk[1]), QIXIS_READ(dclk[2]));
	printf("aux = %02x\n", QIXIS_READ(aux));
	printf("watch = %02x\n", QIXIS_READ(watch));
	printf("ctl_sys = %02x\n", QIXIS_READ(ctl_sys));
	printf("rcw_ctl = %02x\n", QIXIS_READ(rcw_ctl));
	printf("present = %02x\n", QIXIS_READ(present));
	printf("present2 = %02x\n", QIXIS_READ(present2));
	printf("clk_spd = %02x\n", QIXIS_READ(clk_spd));
	printf("stat_dut = %02x\n", QIXIS_READ(stat_dut));
	printf("stat_sys = %02x\n", QIXIS_READ(stat_sys));
	printf("stat_alrm = %02x\n", QIXIS_READ(stat_alrm));
	}

	void __weak qixis_dump_switch(void)
	{
	puts("Reverse engineering switch is not implemented for this board\n");
	}

	static int qixis_reset_cmd(struct cmd_tbl *cmdtp, int flag, int argc,
	char *const argv[])
	{
	int i;

	if (argc <= 1) {
	set_lbmap(QIXIS_LBMAP_DFLTBANK);
	qixis_reset();
	} else if (strcmp(argv[1], "altbank") == 0) {
	#ifdef QIXIS_LBMAP_ALTBANK
	set_lbmap(QIXIS_LBMAP_ALTBANK);
	qixis_bank_reset();
	#else
	printf("No Altbank!\n");
	#endif
	} else if (strcmp(argv[1], "nand") == 0) {
	#ifdef QIXIS_LBMAP_NAND
	QIXIS_WRITE(rst_ctl, 0x30);
	QIXIS_WRITE(rcfg_ctl, 0);
	set_lbmap(QIXIS_LBMAP_NAND);
	set_rcw_src(QIXIS_RCW_SRC_NAND);
	QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_IDLE);
	QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_START);
	#else
	printf("Not implemented\n");
	#endif
	} else if (strcmp(argv[1], "sd") == 0) {
	#ifdef QIXIS_LBMAP_SD
	QIXIS_WRITE(rst_ctl, 0x30);
	QIXIS_WRITE(rcfg_ctl, 0);
	#ifdef NON_EXTENDED_DUTCFG
	QIXIS_WRITE(dutcfg[0], QIXIS_RCW_SRC_SD);
	#else
	set_lbmap(QIXIS_LBMAP_SD);
	set_rcw_src(QIXIS_RCW_SRC_SD);
	#endif
	QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_IDLE);
	QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_START);
	#else
	printf("Not implemented\n");
	#endif
	} else if (strcmp(argv[1], "ifc") == 0) {
	#ifdef QIXIS_LBMAP_IFC
	QIXIS_WRITE(rst_ctl, 0x30);
	QIXIS_WRITE(rcfg_ctl, 0);
	set_lbmap(QIXIS_LBMAP_IFC);
	set_rcw_src(QIXIS_RCW_SRC_IFC);
	QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_IDLE);
	QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_START);
	#else
	printf("Not implemented\n");
	#endif
	} else if (strcmp(argv[1], "emmc") == 0) {
	#ifdef QIXIS_LBMAP_EMMC
	QIXIS_WRITE(rst_ctl, 0x30);
	QIXIS_WRITE(rcfg_ctl, 0);
	#ifndef NON_EXTENDED_DUTCFG
	set_lbmap(QIXIS_LBMAP_EMMC);
	#endif
	set_rcw_src(QIXIS_RCW_SRC_EMMC);
	QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_IDLE);
	QIXIS_WRITE(rcfg_ctl, QIXIS_RCFG_CTL_RECONFIG_START);
	#else
	printf("Not implemented\n");
	#endif
	} else if (strcmp(argv[1], "sd_qspi") == 0) {
	#ifdef QIXIS_LBMAP_SD_QSPI
	QIXIS_WRITE(rst_ctl, 0x30);
	QIXIS_WRITE(rcfg_ctl, 0);
	set_lbmap(QIXIS_LBMAP_SD_QSPI);
	set_rcw_src(QIXIS_RCW_SRC_SD);
	qixis_write_i2c(offsetof(struct qixis, rcfg_ctl),
	QIXIS_RCFG_CTL_RECONFIG_IDLE);
	qixis_write_i2c(offsetof(struct qixis, rcfg_ctl),
	QIXIS_RCFG_CTL_RECONFIG_START);
	#else
	printf("Not implemented\n");
	#endif
	} else if (strcmp(argv[1], "qspi") == 0) {
	#ifdef QIXIS_LBMAP_QSPI
	QIXIS_WRITE(rst_ctl, 0x30);
	QIXIS_WRITE(rcfg_ctl, 0);
	set_lbmap(QIXIS_LBMAP_QSPI);
	set_rcw_src(QIXIS_RCW_SRC_QSPI);
	qixis_write_i2c(offsetof(struct qixis, rcfg_ctl),
	QIXIS_RCFG_CTL_RECONFIG_IDLE);
	qixis_write_i2c(offsetof(struct qixis, rcfg_ctl),
	QIXIS_RCFG_CTL_RECONFIG_START);
	#else
	printf("Not implemented\n");
	#endif
	} else if (strcmp(argv[1], "xspi") == 0) {
	#ifdef QIXIS_LBMAP_XSPI
	QIXIS_WRITE(rst_ctl, 0x30);
	QIXIS_WRITE(rcfg_ctl, 0);
	set_lbmap(QIXIS_LBMAP_XSPI);
	set_rcw_src(QIXIS_RCW_SRC_XSPI);
	qixis_write_i2c(offsetof(struct qixis, rcfg_ctl),
	QIXIS_RCFG_CTL_RECONFIG_IDLE);
	qixis_write_i2c(offsetof(struct qixis, rcfg_ctl),
	QIXIS_RCFG_CTL_RECONFIG_START);
	#else
	printf("Not implemented\n");
	#endif
	} else if (strcmp(argv[1], "watchdog") == 0) {
	static char *period[9] = {"2s", "4s", "8s", "16s", "32s",
	"1min", "2min", "4min", "8min"};
	u8 rcfg = QIXIS_READ(rcfg_ctl);

	if (argv[2] == NULL) {
	printf("qixis watchdog <watchdog_period>\n");
	return 0;
	}
	for (i = 0; i < ARRAY_SIZE(period); i++) {
	if (strcmp(argv[2], period[i]) == 0) {
	/* disable watchdog */
	QIXIS_WRITE(rcfg_ctl,
	rcfg & ~QIXIS_RCFG_CTL_WATCHDOG_ENBLE);
	QIXIS_WRITE(watch, ((i<<2) - 1));
	QIXIS_WRITE(rcfg_ctl, rcfg);
	return 0;
	}
	}
	} else if (strcmp(argv[1], "dump") == 0) {
	qixis_dump_regs();
	return 0;
	} else if (strcmp(argv[1], "switch") == 0) {
	qixis_dump_switch();
	return 0;
	} else {
	printf("Invalid option: %s\n", argv[1]);
	return 1;
	}

	return 0;
	}

	U_BOOT_CMD(
	qixis_reset, CONFIG_SYS_MAXARGS, 1, qixis_reset_cmd,
	"Reset the board using the FPGA sequencer",
	"- hard reset to default bank\n"
	"qixis_reset altbank - reset to alternate bank\n"
	"qixis_reset nand - reset to nand\n"
	"qixis_reset sd - reset to sd\n"
	"qixis_reset sd_qspi - reset to sd with qspi support\n"
	"qixis_reset qspi - reset to qspi\n"
	"qixis watchdog <watchdog_period> - set the watchdog period\n"
	" period: 1s 2s 4s 8s 16s 32s 1min 2min 4min 8min\n"
	"qixis_reset dump - display the QIXIS registers\n"
	"qixis_reset emmc - reset to emmc\n"
	"qixis_reset switch - display switch\n"
	);
	#endif