board/xilinx/zynqmp/zynqmp.c - github/trini/u-boot - Gitiles

 /*
  * (C) Copyright 2014 - 2015 Xilinx, Inc.
  * Michal Simek <michal.simek@xilinx.com>
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */

 #include <common.h>
 #include <sata.h>
 #include <ahci.h>
 #include <scsi.h>
 #include <malloc.h>
 #include <asm/arch/clk.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/io.h>
 #include <usb.h>
 #include <dwc3-uboot.h>
 #include <zynqmppl.h>
 #include <i2c.h>
 #include <g_dnl.h>

 DECLARE_GLOBAL_DATA_PTR;

 #if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_ZYNQMPPL) && \
     !defined(CONFIG_SPL_BUILD)
 static xilinx_desc zynqmppl = XILINX_ZYNQMP_DESC;

 static const struct {
 	uint32_t id;
 	char *name;
 } zynqmp_devices[] = {
 	{
 		.id = 0x10,
 		.name = "3eg",
 	},
 	{
 		.id = 0x11,
 		.name = "2eg",
 	},
 	{
 		.id = 0x20,
 		.name = "5ev",
 	},
 	{
 		.id = 0x21,
 		.name = "4ev",
 	},
 	{
 		.id = 0x30,
 		.name = "7ev",
 	},
 	{
 		.id = 0x38,
 		.name = "9eg",
 	},
 	{
 		.id = 0x39,
 		.name = "6eg",
 	},
 	{
 		.id = 0x40,
 		.name = "11eg",
 	},
 	{
 		.id = 0x50,
 		.name = "15eg",
 	},
 	{
 		.id = 0x58,
 		.name = "19eg",
 	},
 	{
 		.id = 0x59,
 		.name = "17eg",
 	},
 };

 static int chip_id(void)
 {
 	struct pt_regs regs;
 	regs.regs[0] = ZYNQMP_SIP_SVC_CSU_DMA_CHIPID;
 	regs.regs[1] = 0;
 	regs.regs[2] = 0;
 	regs.regs[3] = 0;

 	smc_call(&regs);

 	/*
 	 * SMC returns:
 	 * regs[0][31:0]  = status of the operation
 	 * regs[0][63:32] = CSU.IDCODE register
 	 * regs[1][31:0]  = CSU.version register
 	 */
 	regs.regs[0] = upper_32_bits(regs.regs[0]);
 	regs.regs[0] &= ZYNQMP_CSU_IDCODE_DEVICE_CODE_MASK |
 			ZYNQMP_CSU_IDCODE_SVD_MASK;
 	regs.regs[0] >>= ZYNQMP_CSU_IDCODE_SVD_SHIFT;

 	return regs.regs[0];
 }

 static char *zynqmp_get_silicon_idcode_name(void)
 {
 	uint32_t i, id;

 	id = chip_id();
 	for (i = 0; i < ARRAY_SIZE(zynqmp_devices); i++) {
 		if (zynqmp_devices[i].id == id)
 			return zynqmp_devices[i].name;
 	}
 	return "unknown";
 }
 #endif

 #define ZYNQMP_VERSION_SIZE	9

 int board_init(void)
 {
 	printf("EL Level:\tEL%d\n", current_el());

 #if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_ZYNQMPPL) && \
     !defined(CONFIG_SPL_BUILD) || (defined(CONFIG_SPL_FPGA_SUPPORT) && \
     defined(CONFIG_SPL_BUILD))
 	if (current_el() != 3) {
 		static char version[ZYNQMP_VERSION_SIZE];

 		strncat(version, "xczu", ZYNQMP_VERSION_SIZE);
 		zynqmppl.name = strncat(version,
 					zynqmp_get_silicon_idcode_name(),
 					ZYNQMP_VERSION_SIZE);
 		printf("Chip ID:\t%s\n", zynqmppl.name);
 		fpga_init();
 		fpga_add(fpga_xilinx, &zynqmppl);
 	}
 #endif

 	return 0;
 }

 int board_early_init_r(void)
 {
 	u32 val;

 	if (current_el() == 3) {
 		val = readl(&crlapb_base->timestamp_ref_ctrl);
 		val |= ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT;
 		writel(val, &crlapb_base->timestamp_ref_ctrl);

 		/* Program freq register in System counter */
 		writel(zynqmp_get_system_timer_freq(),
 		       &iou_scntr_secure->base_frequency_id_register);
 		/* And enable system counter */
 		writel(ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN,
 		       &iou_scntr_secure->counter_control_register);
 	}
 	/* Program freq register in System counter and enable system counter */
 	writel(gd->cpu_clk, &iou_scntr->base_frequency_id_register);
 	writel(ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_HDBG |
 	       ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN,
 	       &iou_scntr->counter_control_register);

 	return 0;
 }

 int zynq_board_read_rom_ethaddr(unsigned char *ethaddr)
 {
 #if defined(CONFIG_ZYNQ_GEM_EEPROM_ADDR) && \
     defined(CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET) && \
     defined(CONFIG_ZYNQ_EEPROM_BUS)
 	i2c_set_bus_num(CONFIG_ZYNQ_EEPROM_BUS);

 	if (eeprom_read(CONFIG_ZYNQ_GEM_EEPROM_ADDR,
 			CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET,
 			ethaddr, 6))
 		printf("I2C EEPROM MAC address read failed\n");
 #endif

 	return 0;
 }

 #if !defined(CONFIG_SYS_SDRAM_BASE) && !defined(CONFIG_SYS_SDRAM_SIZE)
 /*
  * fdt_get_reg - Fill buffer by information from DT
  */
 static phys_size_t fdt_get_reg(const void *fdt, int nodeoffset, void *buf,
 			       const u32 *cell, int n)
 {
 	int i = 0, b, banks;
 	int parent_offset = fdt_parent_offset(fdt, nodeoffset);
 	int address_cells = fdt_address_cells(fdt, parent_offset);
 	int size_cells = fdt_size_cells(fdt, parent_offset);
 	char *p = buf;
 	u64 val;
 	u64 vals;

 	debug("%s: addr_cells=%x, size_cell=%x, buf=%p, cell=%p\n",
 	      __func__, address_cells, size_cells, buf, cell);

 	/* Check memory bank setup */
 	banks = n % (address_cells + size_cells);
 	if (banks)
 		panic("Incorrect memory setup cells=%d, ac=%d, sc=%d\n",
 		      n, address_cells, size_cells);

 	banks = n / (address_cells + size_cells);

 	for (b = 0; b < banks; b++) {
 		debug("%s: Bank #%d:\n", __func__, b);
 		if (address_cells == 2) {
 			val = cell[i + 1];
 			val <<= 32;
 			val |= cell[i];
 			val = fdt64_to_cpu(val);
 			debug("%s: addr64=%llx, ptr=%p, cell=%p\n",
 			      __func__, val, p, &cell[i]);
 			*(phys_addr_t *)p = val;
 		} else {
 			debug("%s: addr32=%x, ptr=%p\n",
 			      __func__, fdt32_to_cpu(cell[i]), p);
 			*(phys_addr_t *)p = fdt32_to_cpu(cell[i]);
 		}
 		p += sizeof(phys_addr_t);
 		i += address_cells;

 		debug("%s: pa=%p, i=%x, size=%zu\n", __func__, p, i,
 		      sizeof(phys_addr_t));

 		if (size_cells == 2) {
 			vals = cell[i + 1];
 			vals <<= 32;
 			vals |= cell[i];
 			vals = fdt64_to_cpu(vals);

 			debug("%s: size64=%llx, ptr=%p, cell=%p\n",
 			      __func__, vals, p, &cell[i]);
 			*(phys_size_t *)p = vals;
 		} else {
 			debug("%s: size32=%x, ptr=%p\n",
 			      __func__, fdt32_to_cpu(cell[i]), p);
 			*(phys_size_t *)p = fdt32_to_cpu(cell[i]);
 		}
 		p += sizeof(phys_size_t);
 		i += size_cells;

 		debug("%s: ps=%p, i=%x, size=%zu\n",
 		      __func__, p, i, sizeof(phys_size_t));
 	}

 	/* Return the first address size */
 	return *(phys_size_t *)((char *)buf + sizeof(phys_addr_t));
 }

 #define FDT_REG_SIZE  sizeof(u32)
 /* Temp location for sharing data for storing */
 /* Up to 64-bit address + 64-bit size */
 static u8 tmp[CONFIG_NR_DRAM_BANKS * 16];

 void dram_init_banksize(void)
 {
 	int bank;

 	memcpy(&gd->bd->bi_dram[0], &tmp, sizeof(tmp));

 	for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
 		debug("Bank #%d: start %llx\n", bank,
 		      (unsigned long long)gd->bd->bi_dram[bank].start);
 		debug("Bank #%d: size %llx\n", bank,
 		      (unsigned long long)gd->bd->bi_dram[bank].size);
 	}
 }

 int dram_init(void)
 {
 	int node, len;
 	const void *blob = gd->fdt_blob;
 	const u32 *cell;

 	memset(&tmp, 0, sizeof(tmp));

 	/* find or create "/memory" node. */
 	node = fdt_subnode_offset(blob, 0, "memory");
 	if (node < 0) {
 		printf("%s: Can't get memory node\n", __func__);
 		return node;
 	}

 	/* Get pointer to cells and lenght of it */
 	cell = fdt_getprop(blob, node, "reg", &len);
 	if (!cell) {
 		printf("%s: Can't get reg property\n", __func__);
 		return -1;
 	}

 	gd->ram_size = fdt_get_reg(blob, node, &tmp, cell, len / FDT_REG_SIZE);

 	debug("%s: Initial DRAM size %llx\n", __func__, (u64)gd->ram_size);

 	return 0;
 }
 #else
 int dram_init(void)
 {
 	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;

 	return 0;
 }
 #endif

 void reset_cpu(ulong addr)
 {
 }

 #ifdef CONFIG_SCSI_AHCI_PLAT
 void scsi_init(void)
 {
 #if defined(CONFIG_SATA_CEVA)
 	init_sata(0);
 #endif
 	ahci_init((void __iomem *)ZYNQMP_SATA_BASEADDR);
 	scsi_scan(1);
 }
 #endif

 int board_late_init(void)
 {
 	u32 reg = 0;
 	u8 bootmode;
 	const char *mode;
 	char *new_targets;

 	if (!(gd->flags & GD_FLG_ENV_DEFAULT)) {
 		debug("Saved variables - Skipping\n");
 		return 0;
 	}

 	reg = readl(&crlapb_base->boot_mode);
 	if (reg >> BOOT_MODE_ALT_SHIFT)
 		reg >>= BOOT_MODE_ALT_SHIFT;

 	bootmode = reg & BOOT_MODES_MASK;

 	puts("Bootmode: ");
 	switch (bootmode) {
 	case USB_MODE:
 		puts("USB_MODE\n");
 		mode = "usb";
 		break;
 	case JTAG_MODE:
 		puts("JTAG_MODE\n");
 		mode = "pxe dhcp";
 		break;
 	case QSPI_MODE_24BIT:
 	case QSPI_MODE_32BIT:
 		mode = "qspi0";
 		puts("QSPI_MODE\n");
 		break;
 	case EMMC_MODE:
 		puts("EMMC_MODE\n");
 		mode = "mmc0";
 		break;
 	case SD_MODE:
 		puts("SD_MODE\n");
 		mode = "mmc0";
 		break;
 	case SD1_LSHFT_MODE:
 		puts("LVL_SHFT_");
 		/* fall through */
 	case SD_MODE1:
 		puts("SD_MODE1\n");
 #if defined(CONFIG_ZYNQ_SDHCI0) && defined(CONFIG_ZYNQ_SDHCI1)
 		mode = "mmc1";
 #else
 		mode = "mmc0";
 #endif
 		break;
 	case NAND_MODE:
 		puts("NAND_MODE\n");
 		mode = "nand0";
 		break;
 	default:
 		mode = "";
 		printf("Invalid Boot Mode:0x%x\n", bootmode);
 		break;
 	}

 	/*
 	 * One terminating char + one byte for space between mode
 	 * and default boot_targets
 	 */
 	new_targets = calloc(1, strlen(mode) +
 				strlen(getenv("boot_targets")) + 2);

 	sprintf(new_targets, "%s %s", mode, getenv("boot_targets"));
 	setenv("boot_targets", new_targets);

 	return 0;
 }

 int checkboard(void)
 {
 	puts("Board: Xilinx ZynqMP\n");
 	return 0;
 }

 #ifdef CONFIG_USB_DWC3
 static struct dwc3_device dwc3_device_data0 = {
 	.maximum_speed = USB_SPEED_HIGH,
 	.base = ZYNQMP_USB0_XHCI_BASEADDR,
 	.dr_mode = USB_DR_MODE_PERIPHERAL,
 	.index = 0,
 };

 static struct dwc3_device dwc3_device_data1 = {
 	.maximum_speed = USB_SPEED_HIGH,
 	.base = ZYNQMP_USB1_XHCI_BASEADDR,
 	.dr_mode = USB_DR_MODE_PERIPHERAL,
 	.index = 1,
 };

 int usb_gadget_handle_interrupts(int index)
 {
 	dwc3_uboot_handle_interrupt(index);
 	return 0;
 }

 int board_usb_init(int index, enum usb_init_type init)
 {
 	debug("%s: index %x\n", __func__, index);

 #if defined(CONFIG_USB_GADGET_DOWNLOAD)
 	g_dnl_set_serialnumber(CONFIG_SYS_CONFIG_NAME);
 #endif

 	switch (index) {
 	case 0:
 		return dwc3_uboot_init(&dwc3_device_data0);
 	case 1:
 		return dwc3_uboot_init(&dwc3_device_data1);
 	};

 	return -1;
 }

 int board_usb_cleanup(int index, enum usb_init_type init)
 {
 	dwc3_uboot_exit(index);
 	return 0;
 }
 #endif
	/*
	* (C) Copyright 2014 - 2015 Xilinx, Inc.
	* Michal Simek <michal.simek@xilinx.com>
	*
	* SPDX-License-Identifier: GPL-2.0+
	*/

	#include <common.h>
	#include <sata.h>
	#include <ahci.h>
	#include <scsi.h>
	#include <malloc.h>
	#include <asm/arch/clk.h>
	#include <asm/arch/hardware.h>
	#include <asm/arch/sys_proto.h>
	#include <asm/io.h>
	#include <usb.h>
	#include <dwc3-uboot.h>
	#include <zynqmppl.h>
	#include <i2c.h>
	#include <g_dnl.h>

	DECLARE_GLOBAL_DATA_PTR;

	#if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_ZYNQMPPL) && \
	!defined(CONFIG_SPL_BUILD)
	static xilinx_desc zynqmppl = XILINX_ZYNQMP_DESC;

	static const struct {
	uint32_t id;
	char *name;
	} zynqmp_devices[] = {
	{
	.id = 0x10,
	.name = "3eg",
	},
	{
	.id = 0x11,
	.name = "2eg",
	},
	{
	.id = 0x20,
	.name = "5ev",
	},
	{
	.id = 0x21,
	.name = "4ev",
	},
	{
	.id = 0x30,
	.name = "7ev",
	},
	{
	.id = 0x38,
	.name = "9eg",
	},
	{
	.id = 0x39,
	.name = "6eg",
	},
	{
	.id = 0x40,
	.name = "11eg",
	},
	{
	.id = 0x50,
	.name = "15eg",
	},
	{
	.id = 0x58,
	.name = "19eg",
	},
	{
	.id = 0x59,
	.name = "17eg",
	},
	};

	static int chip_id(void)
	{
	struct pt_regs regs;
	regs.regs[0] = ZYNQMP_SIP_SVC_CSU_DMA_CHIPID;
	regs.regs[1] = 0;
	regs.regs[2] = 0;
	regs.regs[3] = 0;

	smc_call(&regs);

	/*
	* SMC returns:
	* regs[0][31:0] = status of the operation
	* regs[0][63:32] = CSU.IDCODE register
	* regs[1][31:0] = CSU.version register
	*/
	regs.regs[0] = upper_32_bits(regs.regs[0]);
	regs.regs[0] &= ZYNQMP_CSU_IDCODE_DEVICE_CODE_MASK \|
	ZYNQMP_CSU_IDCODE_SVD_MASK;
	regs.regs[0] >>= ZYNQMP_CSU_IDCODE_SVD_SHIFT;

	return regs.regs[0];
	}

	static char *zynqmp_get_silicon_idcode_name(void)
	{
	uint32_t i, id;

	id = chip_id();
	for (i = 0; i < ARRAY_SIZE(zynqmp_devices); i++) {
	if (zynqmp_devices[i].id == id)
	return zynqmp_devices[i].name;
	}
	return "unknown";
	}
	#endif

	#define ZYNQMP_VERSION_SIZE 9

	int board_init(void)
	{
	printf("EL Level:\tEL%d\n", current_el());

	#if defined(CONFIG_FPGA) && defined(CONFIG_FPGA_ZYNQMPPL) && \
	!defined(CONFIG_SPL_BUILD) \|\| (defined(CONFIG_SPL_FPGA_SUPPORT) && \
	defined(CONFIG_SPL_BUILD))
	if (current_el() != 3) {
	static char version[ZYNQMP_VERSION_SIZE];

	strncat(version, "xczu", ZYNQMP_VERSION_SIZE);
	zynqmppl.name = strncat(version,
	zynqmp_get_silicon_idcode_name(),
	ZYNQMP_VERSION_SIZE);
	printf("Chip ID:\t%s\n", zynqmppl.name);
	fpga_init();
	fpga_add(fpga_xilinx, &zynqmppl);
	}
	#endif

	return 0;
	}

	int board_early_init_r(void)
	{
	u32 val;

	if (current_el() == 3) {
	val = readl(&crlapb_base->timestamp_ref_ctrl);
	val \|= ZYNQMP_CRL_APB_TIMESTAMP_REF_CTRL_CLKACT;
	writel(val, &crlapb_base->timestamp_ref_ctrl);

	/* Program freq register in System counter */
	writel(zynqmp_get_system_timer_freq(),
	&iou_scntr_secure->base_frequency_id_register);
	/* And enable system counter */
	writel(ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN,
	&iou_scntr_secure->counter_control_register);
	}
	/* Program freq register in System counter and enable system counter */
	writel(gd->cpu_clk, &iou_scntr->base_frequency_id_register);
	writel(ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_HDBG \|
	ZYNQMP_IOU_SCNTR_COUNTER_CONTROL_REGISTER_EN,
	&iou_scntr->counter_control_register);

	return 0;
	}

	int zynq_board_read_rom_ethaddr(unsigned char *ethaddr)
	{
	#if defined(CONFIG_ZYNQ_GEM_EEPROM_ADDR) && \
	defined(CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET) && \
	defined(CONFIG_ZYNQ_EEPROM_BUS)
	i2c_set_bus_num(CONFIG_ZYNQ_EEPROM_BUS);

	if (eeprom_read(CONFIG_ZYNQ_GEM_EEPROM_ADDR,
	CONFIG_ZYNQ_GEM_I2C_MAC_OFFSET,
	ethaddr, 6))
	printf("I2C EEPROM MAC address read failed\n");
	#endif

	return 0;
	}

	#if !defined(CONFIG_SYS_SDRAM_BASE) && !defined(CONFIG_SYS_SDRAM_SIZE)
	/*
	* fdt_get_reg - Fill buffer by information from DT
	*/
	static phys_size_t fdt_get_reg(const void fdt, int nodeoffset, void buf,
	const u32 *cell, int n)
	{
	int i = 0, b, banks;
	int parent_offset = fdt_parent_offset(fdt, nodeoffset);
	int address_cells = fdt_address_cells(fdt, parent_offset);
	int size_cells = fdt_size_cells(fdt, parent_offset);
	char *p = buf;
	u64 val;
	u64 vals;

	debug("%s: addr_cells=%x, size_cell=%x, buf=%p, cell=%p\n",
	__func__, address_cells, size_cells, buf, cell);

	/* Check memory bank setup */
	banks = n % (address_cells + size_cells);
	if (banks)
	panic("Incorrect memory setup cells=%d, ac=%d, sc=%d\n",
	n, address_cells, size_cells);

	banks = n / (address_cells + size_cells);

	for (b = 0; b < banks; b++) {
	debug("%s: Bank #%d:\n", __func__, b);
	if (address_cells == 2) {
	val = cell[i + 1];
	val <<= 32;
	val \|= cell[i];
	val = fdt64_to_cpu(val);
	debug("%s: addr64=%llx, ptr=%p, cell=%p\n",
	__func__, val, p, &cell[i]);
	(phys_addr_t )p = val;
	} else {
	debug("%s: addr32=%x, ptr=%p\n",
	__func__, fdt32_to_cpu(cell[i]), p);
	(phys_addr_t )p = fdt32_to_cpu(cell[i]);
	}
	p += sizeof(phys_addr_t);
	i += address_cells;

	debug("%s: pa=%p, i=%x, size=%zu\n", __func__, p, i,
	sizeof(phys_addr_t));

	if (size_cells == 2) {
	vals = cell[i + 1];
	vals <<= 32;
	vals \|= cell[i];
	vals = fdt64_to_cpu(vals);

	debug("%s: size64=%llx, ptr=%p, cell=%p\n",
	__func__, vals, p, &cell[i]);
	(phys_size_t )p = vals;
	} else {
	debug("%s: size32=%x, ptr=%p\n",
	__func__, fdt32_to_cpu(cell[i]), p);
	(phys_size_t )p = fdt32_to_cpu(cell[i]);
	}
	p += sizeof(phys_size_t);
	i += size_cells;

	debug("%s: ps=%p, i=%x, size=%zu\n",
	__func__, p, i, sizeof(phys_size_t));
	}

	/* Return the first address size */
	return (phys_size_t )((char *)buf + sizeof(phys_addr_t));
	}

	#define FDT_REG_SIZE sizeof(u32)
	/* Temp location for sharing data for storing */
	/* Up to 64-bit address + 64-bit size */
	static u8 tmp[CONFIG_NR_DRAM_BANKS * 16];

	void dram_init_banksize(void)
	{
	int bank;

	memcpy(&gd->bd->bi_dram[0], &tmp, sizeof(tmp));

	for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
	debug("Bank #%d: start %llx\n", bank,
	(unsigned long long)gd->bd->bi_dram[bank].start);
	debug("Bank #%d: size %llx\n", bank,
	(unsigned long long)gd->bd->bi_dram[bank].size);
	}
	}

	int dram_init(void)
	{
	int node, len;
	const void *blob = gd->fdt_blob;
	const u32 *cell;

	memset(&tmp, 0, sizeof(tmp));

	/* find or create "/memory" node. */
	node = fdt_subnode_offset(blob, 0, "memory");
	if (node < 0) {
	printf("%s: Can't get memory node\n", __func__);
	return node;
	}

	/* Get pointer to cells and lenght of it */
	cell = fdt_getprop(blob, node, "reg", &len);
	if (!cell) {
	printf("%s: Can't get reg property\n", __func__);
	return -1;
	}

	gd->ram_size = fdt_get_reg(blob, node, &tmp, cell, len / FDT_REG_SIZE);

	debug("%s: Initial DRAM size %llx\n", __func__, (u64)gd->ram_size);

	return 0;
	}
	#else
	int dram_init(void)
	{
	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;

	return 0;
	}
	#endif

	void reset_cpu(ulong addr)
	{
	}

	#ifdef CONFIG_SCSI_AHCI_PLAT
	void scsi_init(void)
	{
	#if defined(CONFIG_SATA_CEVA)
	init_sata(0);
	#endif
	ahci_init((void __iomem *)ZYNQMP_SATA_BASEADDR);
	scsi_scan(1);
	}
	#endif

	int board_late_init(void)
	{
	u32 reg = 0;
	u8 bootmode;
	const char *mode;
	char *new_targets;

	if (!(gd->flags & GD_FLG_ENV_DEFAULT)) {
	debug("Saved variables - Skipping\n");
	return 0;
	}

	reg = readl(&crlapb_base->boot_mode);
	if (reg >> BOOT_MODE_ALT_SHIFT)
	reg >>= BOOT_MODE_ALT_SHIFT;

	bootmode = reg & BOOT_MODES_MASK;

	puts("Bootmode: ");
	switch (bootmode) {
	case USB_MODE:
	puts("USB_MODE\n");
	mode = "usb";
	break;
	case JTAG_MODE:
	puts("JTAG_MODE\n");
	mode = "pxe dhcp";
	break;
	case QSPI_MODE_24BIT:
	case QSPI_MODE_32BIT:
	mode = "qspi0";
	puts("QSPI_MODE\n");
	break;
	case EMMC_MODE:
	puts("EMMC_MODE\n");
	mode = "mmc0";
	break;
	case SD_MODE:
	puts("SD_MODE\n");
	mode = "mmc0";
	break;
	case SD1_LSHFT_MODE:
	puts("LVL_SHFT_");
	/* fall through */
	case SD_MODE1:
	puts("SD_MODE1\n");
	#if defined(CONFIG_ZYNQ_SDHCI0) && defined(CONFIG_ZYNQ_SDHCI1)
	mode = "mmc1";
	#else
	mode = "mmc0";
	#endif
	break;
	case NAND_MODE:
	puts("NAND_MODE\n");
	mode = "nand0";
	break;
	default:
	mode = "";
	printf("Invalid Boot Mode:0x%x\n", bootmode);
	break;
	}

	/*
	* One terminating char + one byte for space between mode
	* and default boot_targets
	*/
	new_targets = calloc(1, strlen(mode) +
	strlen(getenv("boot_targets")) + 2);

	sprintf(new_targets, "%s %s", mode, getenv("boot_targets"));
	setenv("boot_targets", new_targets);

	return 0;
	}

	int checkboard(void)
	{
	puts("Board: Xilinx ZynqMP\n");
	return 0;
	}

	#ifdef CONFIG_USB_DWC3
	static struct dwc3_device dwc3_device_data0 = {
	.maximum_speed = USB_SPEED_HIGH,
	.base = ZYNQMP_USB0_XHCI_BASEADDR,
	.dr_mode = USB_DR_MODE_PERIPHERAL,
	.index = 0,
	};

	static struct dwc3_device dwc3_device_data1 = {
	.maximum_speed = USB_SPEED_HIGH,
	.base = ZYNQMP_USB1_XHCI_BASEADDR,
	.dr_mode = USB_DR_MODE_PERIPHERAL,
	.index = 1,
	};

	int usb_gadget_handle_interrupts(int index)
	{
	dwc3_uboot_handle_interrupt(index);
	return 0;
	}

	int board_usb_init(int index, enum usb_init_type init)
	{
	debug("%s: index %x\n", __func__, index);

	#if defined(CONFIG_USB_GADGET_DOWNLOAD)
	g_dnl_set_serialnumber(CONFIG_SYS_CONFIG_NAME);
	#endif

	switch (index) {
	case 0:
	return dwc3_uboot_init(&dwc3_device_data0);
	case 1:
	return dwc3_uboot_init(&dwc3_device_data1);
	};

	return -1;
	}

	int board_usb_cleanup(int index, enum usb_init_type init)
	{
	dwc3_uboot_exit(index);
	return 0;
	}
	#endif