board/freescale/ls2080ardb/ls2080ardb.c - github/trini/u-boot - Gitiles

 /*
  * Copyright (C) 2017 NXP Semiconductors
  * Copyright 2015 Freescale Semiconductor
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
 #include <common.h>
 #include <malloc.h>
 #include <errno.h>
 #include <netdev.h>
 #include <fsl_ifc.h>
 #include <fsl_ddr.h>
 #include <asm/io.h>
 #include <hwconfig.h>
 #include <fdt_support.h>
 #include <libfdt.h>
 #include <fsl-mc/fsl_mc.h>
 #include <environment.h>
 #include <efi_loader.h>
 #include <i2c.h>
 #include <asm/arch/mmu.h>
 #include <asm/arch/soc.h>
 #include <asm/arch/ppa.h>
 #include <fsl_sec.h>

 #ifdef CONFIG_FSL_QIXIS
 #include "../common/qixis.h"
 #include "ls2080ardb_qixis.h"
 #endif
 #include "../common/vid.h"

 #define PIN_MUX_SEL_SDHC	0x00
 #define PIN_MUX_SEL_DSPI	0x0a

 #define SET_SDHC_MUX_SEL(reg, value)	((reg & 0xf0) | value)
 DECLARE_GLOBAL_DATA_PTR;

 enum {
 	MUX_TYPE_SDHC,
 	MUX_TYPE_DSPI,
 };

 unsigned long long get_qixis_addr(void)
 {
 	unsigned long long addr;

 	if (gd->flags & GD_FLG_RELOC)
 		addr = QIXIS_BASE_PHYS;
 	else
 		addr = QIXIS_BASE_PHYS_EARLY;

 	/*
 	 * IFC address under 256MB is mapped to 0x30000000, any address above
 	 * is mapped to 0x5_10000000 up to 4GB.
 	 */
 	addr = addr  > 0x10000000 ? addr + 0x500000000ULL : addr + 0x30000000;

 	return addr;
 }

 int checkboard(void)
 {
 #ifdef CONFIG_FSL_QIXIS
 	u8 sw;
 #endif
 	char buf[15];

 	cpu_name(buf);
 	printf("Board: %s-RDB, ", buf);

 #ifdef CONFIG_TARGET_LS2081ARDB
 #ifdef CONFIG_FSL_QIXIS
 	sw = QIXIS_READ(arch);
 	printf("Board Arch: V%d, ", sw >> 4);
 	printf("Board version: %c, ", (sw & 0xf) + 'A');

 	sw = QIXIS_READ(brdcfg[0]);
 	sw = (sw & QIXIS_QMAP_MASK) >> QIXIS_QMAP_SHIFT;
 	switch (sw) {
 	case 0:
 		puts("boot from QSPI DEV#0\n");
 		puts("QSPI_CSA_1 mapped to QSPI DEV#1\n");
 		break;
 	case 1:
 		puts("boot from QSPI DEV#1\n");
 		puts("QSPI_CSA_1 mapped to QSPI DEV#0\n");
 		break;
 	case 2:
 		puts("boot from QSPI EMU\n");
 		puts("QSPI_CSA_1 mapped to QSPI DEV#0\n");
 		break;
 	case 3:
 		puts("boot from QSPI EMU\n");
 		puts("QSPI_CSA_1 mapped to QSPI DEV#1\n");
 		break;
 	case 4:
 		puts("boot from QSPI DEV#0\n");
 		puts("QSPI_CSA_1 mapped to QSPI EMU\n");
 		break;
 	default:
 		printf("invalid setting of SW%u\n", sw);
 		break;
 	}
 #endif
 	puts("SERDES1 Reference : ");
 	printf("Clock1 = 100MHz ");
 	printf("Clock2 = 161.13MHz");
 #else
 #ifdef CONFIG_FSL_QIXIS
 	sw = QIXIS_READ(arch);
 	printf("Board Arch: V%d, ", sw >> 4);
 	printf("Board version: %c, boot from ", (sw & 0xf) + 'A');

 	sw = QIXIS_READ(brdcfg[0]);
 	sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;

 	if (sw < 0x8)
 		printf("vBank: %d\n", sw);
 	else if (sw == 0x9)
 		puts("NAND\n");
 	else
 		printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);

 	printf("FPGA: v%d.%d\n", QIXIS_READ(scver), QIXIS_READ(tagdata));
 #endif
 	puts("SERDES1 Reference : ");
 	printf("Clock1 = 156.25MHz ");
 	printf("Clock2 = 156.25MHz");
 #endif

 	puts("\nSERDES2 Reference : ");
 	printf("Clock1 = 100MHz ");
 	printf("Clock2 = 100MHz\n");

 	return 0;
 }

 unsigned long get_board_sys_clk(void)
 {
 #ifdef CONFIG_FSL_QIXIS
 	u8 sysclk_conf = QIXIS_READ(brdcfg[1]);

 	switch (sysclk_conf & 0x0F) {
 	case QIXIS_SYSCLK_83:
 		return 83333333;
 	case QIXIS_SYSCLK_100:
 		return 100000000;
 	case QIXIS_SYSCLK_125:
 		return 125000000;
 	case QIXIS_SYSCLK_133:
 		return 133333333;
 	case QIXIS_SYSCLK_150:
 		return 150000000;
 	case QIXIS_SYSCLK_160:
 		return 160000000;
 	case QIXIS_SYSCLK_166:
 		return 166666666;
 	}
 #endif
 	return 100000000;
 }

 int select_i2c_ch_pca9547(u8 ch)
 {
 	int ret;

 	ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
 	if (ret) {
 		puts("PCA: failed to select proper channel\n");
 		return ret;
 	}

 	return 0;
 }

 int i2c_multiplexer_select_vid_channel(u8 channel)
 {
 	return select_i2c_ch_pca9547(channel);
 }

 int config_board_mux(int ctrl_type)
 {
 #ifdef CONFIG_FSL_QIXIS
 	u8 reg5;

 	reg5 = QIXIS_READ(brdcfg[5]);

 	switch (ctrl_type) {
 	case MUX_TYPE_SDHC:
 		reg5 = SET_SDHC_MUX_SEL(reg5, PIN_MUX_SEL_SDHC);
 		break;
 	case MUX_TYPE_DSPI:
 		reg5 = SET_SDHC_MUX_SEL(reg5, PIN_MUX_SEL_DSPI);
 		break;
 	default:
 		printf("Wrong mux interface type\n");
 		return -1;
 	}

 	QIXIS_WRITE(brdcfg[5], reg5);
 #endif
 	return 0;
 }

 int board_init(void)
 {
 #ifdef CONFIG_FSL_MC_ENET
 	u32 __iomem *irq_ccsr = (u32 __iomem *)ISC_BASE;
 #endif

 	init_final_memctl_regs();

 #ifdef CONFIG_ENV_IS_NOWHERE
 	gd->env_addr = (ulong)&default_environment[0];
 #endif
 	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);

 #ifdef CONFIG_FSL_QIXIS
 	QIXIS_WRITE(rst_ctl, QIXIS_RST_CTL_RESET_EN);
 #endif

 #ifdef CONFIG_FSL_CAAM
 	sec_init();
 #endif
 #ifdef CONFIG_FSL_LS_PPA
 	ppa_init();
 #endif

 #ifdef CONFIG_FSL_MC_ENET
 	/* invert AQR405 IRQ pins polarity */
 	out_le32(irq_ccsr + IRQCR_OFFSET / 4, AQR405_IRQ_MASK);
 #endif
 #ifdef CONFIG_FSL_CAAM
 	sec_init();
 #endif

 	return 0;
 }

 int board_early_init_f(void)
 {
 #ifdef CONFIG_SYS_I2C_EARLY_INIT
 	i2c_early_init_f();
 #endif
 	fsl_lsch3_early_init_f();
 	return 0;
 }

 int misc_init_r(void)
 {
 	char *env_hwconfig;
 	u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE;
 	u32 val;

 	val = in_le32(dcfg_ccsr + DCFG_RCWSR13 / 4);

 	env_hwconfig = env_get("hwconfig");

 	if (hwconfig_f("dspi", env_hwconfig) &&
 	    DCFG_RCWSR13_DSPI == (val & (u32)(0xf << 8)))
 		config_board_mux(MUX_TYPE_DSPI);
 	else
 		config_board_mux(MUX_TYPE_SDHC);

 	/*
 	 * LS2081ARDB RevF board has smart voltage translator
 	 * which needs to be programmed to enable high speed SD interface
 	 * by setting GPIO4_10 output to zero
 	 */
 #ifdef CONFIG_TARGET_LS2081ARDB
 		out_le32(GPIO4_GPDIR_ADDR, (1 << 21 |
 					    in_le32(GPIO4_GPDIR_ADDR)));
 		out_le32(GPIO4_GPDAT_ADDR, (~(1 << 21) &
 					    in_le32(GPIO4_GPDAT_ADDR)));
 #endif
 	if (hwconfig("sdhc"))
 		config_board_mux(MUX_TYPE_SDHC);

 	if (adjust_vdd(0))
 		printf("Warning: Adjusting core voltage failed.\n");

 	return 0;
 }

 void detail_board_ddr_info(void)
 {
 	puts("\nDDR    ");
 	print_size(gd->bd->bi_dram[0].size + gd->bd->bi_dram[1].size, "");
 	print_ddr_info(0);
 #ifdef CONFIG_SYS_FSL_HAS_DP_DDR
 	if (soc_has_dp_ddr() && gd->bd->bi_dram[2].size) {
 		puts("\nDP-DDR ");
 		print_size(gd->bd->bi_dram[2].size, "");
 		print_ddr_info(CONFIG_DP_DDR_CTRL);
 	}
 #endif
 }

 #if defined(CONFIG_ARCH_MISC_INIT)
 int arch_misc_init(void)
 {
 	return 0;
 }
 #endif

 #ifdef CONFIG_FSL_MC_ENET
 void fdt_fixup_board_enet(void *fdt)
 {
 	int offset;

 	offset = fdt_path_offset(fdt, "/soc/fsl-mc");

 	if (offset < 0)
 		offset = fdt_path_offset(fdt, "/fsl-mc");

 	if (offset < 0) {
 		printf("%s: ERROR: fsl-mc node not found in device tree (error %d)\n",
 		       __func__, offset);
 		return;
 	}

 	if (get_mc_boot_status() == 0)
 		fdt_status_okay(fdt, offset);
 	else
 		fdt_status_fail(fdt, offset);
 }

 void board_quiesce_devices(void)
 {
 	fsl_mc_ldpaa_exit(gd->bd);
 }
 #endif

 #ifdef CONFIG_OF_BOARD_SETUP
 void fsl_fdt_fixup_flash(void *fdt)
 {
 	int offset;

 /*
  * IFC and QSPI are muxed on board.
  * So disable IFC node in dts if QSPI is enabled or
  * disable QSPI node in dts in case QSPI is not enabled.
  */
 #ifdef CONFIG_FSL_QSPI
 	offset = fdt_path_offset(fdt, "/soc/ifc");

 	if (offset < 0)
 		offset = fdt_path_offset(fdt, "/ifc");
 #else
 	offset = fdt_path_offset(fdt, "/soc/quadspi");

 	if (offset < 0)
 		offset = fdt_path_offset(fdt, "/quadspi");
 #endif
 	if (offset < 0)
 		return;

 	fdt_status_disabled(fdt, offset);
 }

 int ft_board_setup(void *blob, bd_t *bd)
 {
 	u64 base[CONFIG_NR_DRAM_BANKS];
 	u64 size[CONFIG_NR_DRAM_BANKS];

 	ft_cpu_setup(blob, bd);

 	/* fixup DT for the two GPP DDR banks */
 	base[0] = gd->bd->bi_dram[0].start;
 	size[0] = gd->bd->bi_dram[0].size;
 	base[1] = gd->bd->bi_dram[1].start;
 	size[1] = gd->bd->bi_dram[1].size;

 #ifdef CONFIG_RESV_RAM
 	/* reduce size if reserved memory is within this bank */
 	if (gd->arch.resv_ram >= base[0] &&
 	    gd->arch.resv_ram < base[0] + size[0])
 		size[0] = gd->arch.resv_ram - base[0];
 	else if (gd->arch.resv_ram >= base[1] &&
 		 gd->arch.resv_ram < base[1] + size[1])
 		size[1] = gd->arch.resv_ram - base[1];
 #endif

 	fdt_fixup_memory_banks(blob, base, size, 2);

 	fsl_fdt_fixup_dr_usb(blob, bd);

 	fsl_fdt_fixup_flash(blob);

 #ifdef CONFIG_FSL_MC_ENET
 	fdt_fixup_board_enet(blob);
 #endif

 	return 0;
 }
 #endif

 void qixis_dump_switch(void)
 {
 #ifdef CONFIG_FSL_QIXIS
 	int i, nr_of_cfgsw;

 	QIXIS_WRITE(cms[0], 0x00);
 	nr_of_cfgsw = QIXIS_READ(cms[1]);

 	puts("DIP switch settings dump:\n");
 	for (i = 1; i <= nr_of_cfgsw; i++) {
 		QIXIS_WRITE(cms[0], i);
 		printf("SW%d = (0x%02x)\n", i, QIXIS_READ(cms[1]));
 	}
 #endif
 }

 /*
  * Board rev C and earlier has duplicated I2C addresses for 2nd controller.
  * Both slots has 0x54, resulting 2nd slot unusable.
  */
 void update_spd_address(unsigned int ctrl_num,
 			unsigned int slot,
 			unsigned int *addr)
 {
 #ifndef CONFIG_TARGET_LS2081ARDB
 #ifdef CONFIG_FSL_QIXIS
 	u8 sw;

 	sw = QIXIS_READ(arch);
 	if ((sw & 0xf) < 0x3) {
 		if (ctrl_num == 1 && slot == 0)
 			*addr = SPD_EEPROM_ADDRESS4;
 		else if (ctrl_num == 1 && slot == 1)
 			*addr = SPD_EEPROM_ADDRESS3;
 	}
 #endif
 #endif
 }
	/*
	* Copyright (C) 2017 NXP Semiconductors
	* Copyright 2015 Freescale Semiconductor
	*
	* SPDX-License-Identifier: GPL-2.0+
	*/
	#include <common.h>
	#include <malloc.h>
	#include <errno.h>
	#include <netdev.h>
	#include <fsl_ifc.h>
	#include <fsl_ddr.h>
	#include <asm/io.h>
	#include <hwconfig.h>
	#include <fdt_support.h>
	#include <libfdt.h>
	#include <fsl-mc/fsl_mc.h>
	#include <environment.h>
	#include <efi_loader.h>
	#include <i2c.h>
	#include <asm/arch/mmu.h>
	#include <asm/arch/soc.h>
	#include <asm/arch/ppa.h>
	#include <fsl_sec.h>

	#ifdef CONFIG_FSL_QIXIS
	#include "../common/qixis.h"
	#include "ls2080ardb_qixis.h"
	#endif
	#include "../common/vid.h"

	#define PIN_MUX_SEL_SDHC 0x00
	#define PIN_MUX_SEL_DSPI 0x0a

	#define SET_SDHC_MUX_SEL(reg, value) ((reg & 0xf0) \| value)
	DECLARE_GLOBAL_DATA_PTR;

	enum {
	MUX_TYPE_SDHC,
	MUX_TYPE_DSPI,
	};

	unsigned long long get_qixis_addr(void)
	{
	unsigned long long addr;

	if (gd->flags & GD_FLG_RELOC)
	addr = QIXIS_BASE_PHYS;
	else
	addr = QIXIS_BASE_PHYS_EARLY;

	/*
	* IFC address under 256MB is mapped to 0x30000000, any address above
	* is mapped to 0x5_10000000 up to 4GB.
	*/
	addr = addr > 0x10000000 ? addr + 0x500000000ULL : addr + 0x30000000;

	return addr;
	}

	int checkboard(void)
	{
	#ifdef CONFIG_FSL_QIXIS
	u8 sw;
	#endif
	char buf[15];

	cpu_name(buf);
	printf("Board: %s-RDB, ", buf);

	#ifdef CONFIG_TARGET_LS2081ARDB
	#ifdef CONFIG_FSL_QIXIS
	sw = QIXIS_READ(arch);
	printf("Board Arch: V%d, ", sw >> 4);
	printf("Board version: %c, ", (sw & 0xf) + 'A');

	sw = QIXIS_READ(brdcfg[0]);
	sw = (sw & QIXIS_QMAP_MASK) >> QIXIS_QMAP_SHIFT;
	switch (sw) {
	case 0:
	puts("boot from QSPI DEV#0\n");
	puts("QSPI_CSA_1 mapped to QSPI DEV#1\n");
	break;
	case 1:
	puts("boot from QSPI DEV#1\n");
	puts("QSPI_CSA_1 mapped to QSPI DEV#0\n");
	break;
	case 2:
	puts("boot from QSPI EMU\n");
	puts("QSPI_CSA_1 mapped to QSPI DEV#0\n");
	break;
	case 3:
	puts("boot from QSPI EMU\n");
	puts("QSPI_CSA_1 mapped to QSPI DEV#1\n");
	break;
	case 4:
	puts("boot from QSPI DEV#0\n");
	puts("QSPI_CSA_1 mapped to QSPI EMU\n");
	break;
	default:
	printf("invalid setting of SW%u\n", sw);
	break;
	}
	#endif
	puts("SERDES1 Reference : ");
	printf("Clock1 = 100MHz ");
	printf("Clock2 = 161.13MHz");
	#else
	#ifdef CONFIG_FSL_QIXIS
	sw = QIXIS_READ(arch);
	printf("Board Arch: V%d, ", sw >> 4);
	printf("Board version: %c, boot from ", (sw & 0xf) + 'A');

	sw = QIXIS_READ(brdcfg[0]);
	sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;

	if (sw < 0x8)
	printf("vBank: %d\n", sw);
	else if (sw == 0x9)
	puts("NAND\n");
	else
	printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);

	printf("FPGA: v%d.%d\n", QIXIS_READ(scver), QIXIS_READ(tagdata));
	#endif
	puts("SERDES1 Reference : ");
	printf("Clock1 = 156.25MHz ");
	printf("Clock2 = 156.25MHz");
	#endif

	puts("\nSERDES2 Reference : ");
	printf("Clock1 = 100MHz ");
	printf("Clock2 = 100MHz\n");

	return 0;
	}

	unsigned long get_board_sys_clk(void)
	{
	#ifdef CONFIG_FSL_QIXIS
	u8 sysclk_conf = QIXIS_READ(brdcfg[1]);

	switch (sysclk_conf & 0x0F) {
	case QIXIS_SYSCLK_83:
	return 83333333;
	case QIXIS_SYSCLK_100:
	return 100000000;
	case QIXIS_SYSCLK_125:
	return 125000000;
	case QIXIS_SYSCLK_133:
	return 133333333;
	case QIXIS_SYSCLK_150:
	return 150000000;
	case QIXIS_SYSCLK_160:
	return 160000000;
	case QIXIS_SYSCLK_166:
	return 166666666;
	}
	#endif
	return 100000000;
	}

	int select_i2c_ch_pca9547(u8 ch)
	{
	int ret;

	ret = i2c_write(I2C_MUX_PCA_ADDR_PRI, 0, 1, &ch, 1);
	if (ret) {
	puts("PCA: failed to select proper channel\n");
	return ret;
	}

	return 0;
	}

	int i2c_multiplexer_select_vid_channel(u8 channel)
	{
	return select_i2c_ch_pca9547(channel);
	}

	int config_board_mux(int ctrl_type)
	{
	#ifdef CONFIG_FSL_QIXIS
	u8 reg5;

	reg5 = QIXIS_READ(brdcfg[5]);

	switch (ctrl_type) {
	case MUX_TYPE_SDHC:
	reg5 = SET_SDHC_MUX_SEL(reg5, PIN_MUX_SEL_SDHC);
	break;
	case MUX_TYPE_DSPI:
	reg5 = SET_SDHC_MUX_SEL(reg5, PIN_MUX_SEL_DSPI);
	break;
	default:
	printf("Wrong mux interface type\n");
	return -1;
	}

	QIXIS_WRITE(brdcfg[5], reg5);
	#endif
	return 0;
	}

	int board_init(void)
	{
	#ifdef CONFIG_FSL_MC_ENET
	u32 __iomem irq_ccsr = (u32 __iomem )ISC_BASE;
	#endif

	init_final_memctl_regs();

	#ifdef CONFIG_ENV_IS_NOWHERE
	gd->env_addr = (ulong)&default_environment[0];
	#endif
	select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT);

	#ifdef CONFIG_FSL_QIXIS
	QIXIS_WRITE(rst_ctl, QIXIS_RST_CTL_RESET_EN);
	#endif

	#ifdef CONFIG_FSL_CAAM
	sec_init();
	#endif
	#ifdef CONFIG_FSL_LS_PPA
	ppa_init();
	#endif

	#ifdef CONFIG_FSL_MC_ENET
	/* invert AQR405 IRQ pins polarity */
	out_le32(irq_ccsr + IRQCR_OFFSET / 4, AQR405_IRQ_MASK);
	#endif
	#ifdef CONFIG_FSL_CAAM
	sec_init();
	#endif

	return 0;
	}

	int board_early_init_f(void)
	{
	#ifdef CONFIG_SYS_I2C_EARLY_INIT
	i2c_early_init_f();
	#endif
	fsl_lsch3_early_init_f();
	return 0;
	}

	int misc_init_r(void)
	{
	char *env_hwconfig;
	u32 __iomem dcfg_ccsr = (u32 __iomem )DCFG_BASE;
	u32 val;

	val = in_le32(dcfg_ccsr + DCFG_RCWSR13 / 4);

	env_hwconfig = env_get("hwconfig");

	if (hwconfig_f("dspi", env_hwconfig) &&
	DCFG_RCWSR13_DSPI == (val & (u32)(0xf << 8)))
	config_board_mux(MUX_TYPE_DSPI);
	else
	config_board_mux(MUX_TYPE_SDHC);

	/*
	* LS2081ARDB RevF board has smart voltage translator
	* which needs to be programmed to enable high speed SD interface
	* by setting GPIO4_10 output to zero
	*/
	#ifdef CONFIG_TARGET_LS2081ARDB
	out_le32(GPIO4_GPDIR_ADDR, (1 << 21 \|
	in_le32(GPIO4_GPDIR_ADDR)));
	out_le32(GPIO4_GPDAT_ADDR, (~(1 << 21) &
	in_le32(GPIO4_GPDAT_ADDR)));
	#endif
	if (hwconfig("sdhc"))
	config_board_mux(MUX_TYPE_SDHC);

	if (adjust_vdd(0))
	printf("Warning: Adjusting core voltage failed.\n");

	return 0;
	}

	void detail_board_ddr_info(void)
	{
	puts("\nDDR ");
	print_size(gd->bd->bi_dram[0].size + gd->bd->bi_dram[1].size, "");
	print_ddr_info(0);
	#ifdef CONFIG_SYS_FSL_HAS_DP_DDR
	if (soc_has_dp_ddr() && gd->bd->bi_dram[2].size) {
	puts("\nDP-DDR ");
	print_size(gd->bd->bi_dram[2].size, "");
	print_ddr_info(CONFIG_DP_DDR_CTRL);
	}
	#endif
	}

	#if defined(CONFIG_ARCH_MISC_INIT)
	int arch_misc_init(void)
	{
	return 0;
	}
	#endif

	#ifdef CONFIG_FSL_MC_ENET
	void fdt_fixup_board_enet(void *fdt)
	{
	int offset;

	offset = fdt_path_offset(fdt, "/soc/fsl-mc");

	if (offset < 0)
	offset = fdt_path_offset(fdt, "/fsl-mc");

	if (offset < 0) {
	printf("%s: ERROR: fsl-mc node not found in device tree (error %d)\n",
	__func__, offset);
	return;
	}

	if (get_mc_boot_status() == 0)
	fdt_status_okay(fdt, offset);
	else
	fdt_status_fail(fdt, offset);
	}

	void board_quiesce_devices(void)
	{
	fsl_mc_ldpaa_exit(gd->bd);
	}
	#endif

	#ifdef CONFIG_OF_BOARD_SETUP
	void fsl_fdt_fixup_flash(void *fdt)
	{
	int offset;

	/*
	* IFC and QSPI are muxed on board.
	* So disable IFC node in dts if QSPI is enabled or
	* disable QSPI node in dts in case QSPI is not enabled.
	*/
	#ifdef CONFIG_FSL_QSPI
	offset = fdt_path_offset(fdt, "/soc/ifc");

	if (offset < 0)
	offset = fdt_path_offset(fdt, "/ifc");
	#else
	offset = fdt_path_offset(fdt, "/soc/quadspi");

	if (offset < 0)
	offset = fdt_path_offset(fdt, "/quadspi");
	#endif
	if (offset < 0)
	return;

	fdt_status_disabled(fdt, offset);
	}

	int ft_board_setup(void blob, bd_t bd)
	{
	u64 base[CONFIG_NR_DRAM_BANKS];
	u64 size[CONFIG_NR_DRAM_BANKS];

	ft_cpu_setup(blob, bd);

	/* fixup DT for the two GPP DDR banks */
	base[0] = gd->bd->bi_dram[0].start;
	size[0] = gd->bd->bi_dram[0].size;
	base[1] = gd->bd->bi_dram[1].start;
	size[1] = gd->bd->bi_dram[1].size;

	#ifdef CONFIG_RESV_RAM
	/* reduce size if reserved memory is within this bank */
	if (gd->arch.resv_ram >= base[0] &&
	gd->arch.resv_ram < base[0] + size[0])
	size[0] = gd->arch.resv_ram - base[0];
	else if (gd->arch.resv_ram >= base[1] &&
	gd->arch.resv_ram < base[1] + size[1])
	size[1] = gd->arch.resv_ram - base[1];
	#endif

	fdt_fixup_memory_banks(blob, base, size, 2);

	fsl_fdt_fixup_dr_usb(blob, bd);

	fsl_fdt_fixup_flash(blob);

	#ifdef CONFIG_FSL_MC_ENET
	fdt_fixup_board_enet(blob);
	#endif

	return 0;
	}
	#endif

	void qixis_dump_switch(void)
	{
	#ifdef CONFIG_FSL_QIXIS
	int i, nr_of_cfgsw;

	QIXIS_WRITE(cms[0], 0x00);
	nr_of_cfgsw = QIXIS_READ(cms[1]);

	puts("DIP switch settings dump:\n");
	for (i = 1; i <= nr_of_cfgsw; i++) {
	QIXIS_WRITE(cms[0], i);
	printf("SW%d = (0x%02x)\n", i, QIXIS_READ(cms[1]));
	}
	#endif
	}

	/*
	* Board rev C and earlier has duplicated I2C addresses for 2nd controller.
	* Both slots has 0x54, resulting 2nd slot unusable.
	*/
	void update_spd_address(unsigned int ctrl_num,
	unsigned int slot,
	unsigned int *addr)
	{
	#ifndef CONFIG_TARGET_LS2081ARDB
	#ifdef CONFIG_FSL_QIXIS
	u8 sw;

	sw = QIXIS_READ(arch);
	if ((sw & 0xf) < 0x3) {
	if (ctrl_num == 1 && slot == 0)
	*addr = SPD_EEPROM_ADDRESS4;
	else if (ctrl_num == 1 && slot == 1)
	*addr = SPD_EEPROM_ADDRESS3;
	}
	#endif
	#endif
	}