board/freescale/p3060qds/p3060qds.c - github/trini/u-boot - Gitiles

 /*
  * Copyright 2011-2012 Freescale Semiconductor, Inc.
  *
  * See file CREDITS for list of people who contributed to this
  * project.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
  * published by the Free Software Foundation; either version 2 of
  * the License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  * MA 02111-1307 USA
  */

 #include <common.h>
 #include <command.h>
 #include <netdev.h>
 #include <linux/compiler.h>
 #include <asm/mmu.h>
 #include <asm/processor.h>
 #include <asm/cache.h>
 #include <asm/immap_85xx.h>
 #include <asm/fsl_law.h>
 #include <asm/fsl_serdes.h>
 #include <asm/fsl_portals.h>
 #include <asm/fsl_liodn.h>
 #include <fm_eth.h>
 #include <configs/P3060QDS.h>
 #include <libfdt.h>
 #include <fdt_support.h>

 #include "../common/qixis.h"
 #include "p3060qds.h"
 #include "p3060qds_qixis.h"

 DECLARE_GLOBAL_DATA_PTR;

 int checkboard(void)
 {
 	u8 sw;
 	struct cpu_type *cpu = gd->cpu;
 	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
 	unsigned int i;

 	printf("Board: %s", cpu->name);
 	puts("QDS, ");

 	printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
 		QIXIS_READ(id), QIXIS_READ(arch), QIXIS_READ(scver));

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

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

 	puts("Reset Configuration Word (RCW):");
 	for (i = 0; i < ARRAY_SIZE(gur->rcwsr); i++) {
 		u32 rcw = in_be32(&gur->rcwsr[i]);

 		if ((i % 4) == 0)
 			printf("\n       %08x:", i * 4);
 		printf(" %08x", rcw);
 	}
 	puts("\n");

 	puts("SERDES Reference Clocks: ");
 	sw = QIXIS_READ(brdcfg[2]);
 	for (i = 0; i < 3; i++) {
 		static const char * const freq[] = {"100", "125", "Reserved",
 						"156.25"};
 		unsigned int clock = (sw >> (2 * i)) & 3;

 		printf("Bank%u=%sMhz ", i+1, freq[clock]);
 	}
 	puts("\n");

 	return 0;
 }

 int board_early_init_f(void)
 {
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);

 	/* only single DDR controller on QDS board, disable DDR1_MCK4/5 */
 	setbits_be32(&gur->ddrclkdr, 0x00030000);

 	return 0;
 }

 void board_config_serdes_mux(void)
 {
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	int cfg = (in_be32(&gur->rcwsr[4]) &
 			FSL_CORENET_RCWSR4_SRDS_PRTCL) >> 26;

 	switch (cfg) {
 	case 0x03:
 	case 0x06:
 		/* set Lane I,J as SGMII */
 		QIXIS_WRITE(brdcfg[6], BRDCFG6_SD4MX_B | BRDCFG6_SD3MX_A |
 				       BRDCFG6_SD2MX_B | BRDCFG6_SD1MX_A);
 		break;
 	case 0x16:
 	case 0x19:
 	case 0x1c:
 		/* set Lane I,J as Aurora Debug */
 		QIXIS_WRITE(brdcfg[6], BRDCFG6_SD4MX_A | BRDCFG6_SD3MX_B |
 				       BRDCFG6_SD2MX_A | BRDCFG6_SD1MX_B);
 		break;
 	default:
 		puts("Invalid SerDes protocol for P3060QDS\n");
 		break;
 	}
 }

 void board_config_usb_mux(void)
 {
 	u8 brdcfg4, brdcfg5, brdcfg7;
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	u32 rcwsr11 = in_be32(&gur->rcwsr[11]);
 	u32 ec1 = rcwsr11 & FSL_CORENET_RCWSR11_EC1;
 	u32 ec2 = rcwsr11 & FSL_CORENET_RCWSR11_EC2;

 	brdcfg4 = QIXIS_READ(brdcfg[4]);
 	brdcfg4 &= ~BRDCFG4_EC_MODE_MASK;
 	if ((ec1 == FSL_CORENET_RCWSR11_EC1_FM1_USB1) &&
 		 (ec2 == FSL_CORENET_RCWSR11_EC2_USB2)) {
 		brdcfg4 |= BRDCFG4_EC2_USB_EC1_USB;

 	} else if ((ec1 == FSL_CORENET_RCWSR11_EC1_FM1_USB1) &&
 		 ((ec2 == FSL_CORENET_RCWSR11_EC2_FM1_DTSEC2) ||
 		 (ec2 == FSL_CORENET_RCWSR11_EC2_FM2_DTSEC1))) {
 		brdcfg4 |= BRDCFG4_EC2_RGMII_EC1_USB;

 	} else if ((ec1 == FSL_CORENET_RCWSR11_EC1_FM1_DTSEC1) &&
 		 (ec2 == FSL_CORENET_RCWSR11_EC2_USB2)) {
 		brdcfg4 |= BRDCFG4_EC2_USB_EC1_RGMII;

 	} else if ((ec1 == FSL_CORENET_RCWSR11_EC1_FM1_DTSEC1) &&
 		 ((ec2 == FSL_CORENET_RCWSR11_EC2_FM1_DTSEC2) ||
 		 (ec2 == FSL_CORENET_RCWSR11_EC2_FM2_DTSEC1))) {
 		brdcfg4 |= BRDCFG4_EC2_RGMII_EC1_RGMII;
 	} else {
 		brdcfg4 |= BRDCFG4_EC2_MII_EC1_MII;
 	}
 	QIXIS_WRITE(brdcfg[4], brdcfg4);

 	brdcfg5 = QIXIS_READ(brdcfg[5]);
 	brdcfg5 &= ~(BRDCFG5_USB1ID_MASK | BRDCFG5_USB2ID_MASK);
 	brdcfg5 |= (BRDCFG5_USB1ID_CTRL | BRDCFG5_USB2ID_CTRL);
 	QIXIS_WRITE(brdcfg[5], brdcfg5);

 	brdcfg7 = BRDCFG7_JTAGMX_COP_JTAG | BRDCFG7_IQ1MX_IRQ_EVT |
 		BRDCFG7_G1MX_USB1 | BRDCFG7_D1MX_TSEC3USB | BRDCFG7_I3MX_USB1;
 	QIXIS_WRITE(brdcfg[7], brdcfg7);
 }

 int board_early_init_r(void)
 {
 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
 	const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);

 	/*
 	 * Remap Boot flash + PROMJET region to caching-inhibited
 	 * so that flash can be erased properly.
 	 */

 	/* Flush d-cache and invalidate i-cache of any FLASH data */
 	flush_dcache();
 	invalidate_icache();

 	/* invalidate existing TLB entry for flash + promjet */
 	disable_tlb(flash_esel);

 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 			0, flash_esel, BOOKE_PAGESZ_256M, 1);

 	set_liodns();
 #ifdef CONFIG_SYS_DPAA_QBMAN
 	setup_portals();
 #endif
 	board_config_serdes_mux();
 	board_config_usb_mux();

 	return 0;
 }

 static const char *serdes_clock_to_string(u32 clock)
 {
 	switch (clock) {
 	case SRDS_PLLCR0_RFCK_SEL_100:
 		return "100";
 	case SRDS_PLLCR0_RFCK_SEL_125:
 		return "125";
 	case SRDS_PLLCR0_RFCK_SEL_156_25:
 		return "156.25";
 	default:
 		return "150";
 	}
 }

 #define NUM_SRDS_BANKS	3

 int misc_init_r(void)
 {
 	serdes_corenet_t *srds_regs;
 	u32 actual[NUM_SRDS_BANKS];
 	unsigned int i;
 	u8 sw;

 	sw = QIXIS_READ(brdcfg[2]);
 	for (i = 0; i < 3; i++) {
 		unsigned int clock = (sw >> (2 * i)) & 3;
 		switch (clock) {
 		case 0:
 			actual[i] = SRDS_PLLCR0_RFCK_SEL_100;
 			break;
 		case 1:
 			actual[i] = SRDS_PLLCR0_RFCK_SEL_125;
 			break;
 		case 3:
 			actual[i] = SRDS_PLLCR0_RFCK_SEL_156_25;
 			break;
 		default:
 			printf("Warning: SDREFCLK%u switch setting of '10' is "
 				"unsupported\n", i + 1);
 			break;
 		}
 	}

 	srds_regs = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
 	for (i = 0; i < NUM_SRDS_BANKS; i++) {
 		u32 pllcr0 = in_be32(&srds_regs->bank[i].pllcr0);
 		u32 expected = pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK;
 		if (expected != actual[i]) {
 			printf("Warning: SERDES bank %u expects reference clock"
 			       " %sMHz, but actual is %sMHz\n", i + 1,
 			       serdes_clock_to_string(expected),
 			       serdes_clock_to_string(actual[i]));
 		}
 	}

 	return 0;
 }

 /*
  * This is map of CVDD values. 33 means CVDD is 3.3v, 25 means CVDD is 2.5v,
  * 18 means CVDD is 1.8v.
  */
 static u8 IO_VSEL[] = {
 	33, 33, 33, 25, 25, 25, 18, 18, 18,
 	33, 33, 33, 25, 25, 25, 18, 18, 18,
 	33, 33, 33, 25, 25, 25, 18, 18, 18,
 	33, 33, 33, 33, 33
 };

 #define IO_VSEL_MASK	0x1f

 /*
  * different CVDD selects diffenert spi flashs, read dutcfg[3] to get CVDD,
  * then set status of  spi flash nodes to 'disabled' according to CVDD.
  * CVDD '33' will select spi flash0 and flash1, CVDD '25' will select spi
  * flash2, CVDD '18' will select spi flash3.
  */
 void fdt_fixup_board_spi(void *blob)
 {
 	u8 sw5 = QIXIS_READ(dutcfg[3]);

 	switch (IO_VSEL[sw5 & IO_VSEL_MASK]) {
 	/* 3.3v */
 	case 33:
 		do_fixup_by_compat(blob, "atmel,at45db081d", "status",
 				"disabled", strlen("disabled") + 1, 1);
 		do_fixup_by_compat(blob, "spansion,sst25wf040", "status",
 				"disabled", strlen("disabled") + 1, 1);
 		break;
 	/* 2.5v */
 	case 25:
 		do_fixup_by_compat(blob, "spansion,s25sl12801", "status",
 				"disabled", strlen("disabled") + 1, 1);
 		do_fixup_by_compat(blob, "spansion,en25q32", "status",
 				"disabled", strlen("disabled") + 1, 1);
 		do_fixup_by_compat(blob, "spansion,sst25wf040", "status",
 				"disabled", strlen("disabled") + 1, 1);
 		break;
 	/* 1.8v */
 	case 18:
 		do_fixup_by_compat(blob, "spansion,s25sl12801", "status",
 				"disabled", strlen("disabled") + 1, 1);
 		do_fixup_by_compat(blob, "spansion,en25q32", "status",
 				"disabled", strlen("disabled") + 1, 1);
 		do_fixup_by_compat(blob, "atmel,at45db081d", "status",
 				"disabled", strlen("disabled") + 1, 1);
 		break;
 	}
 }

 void ft_board_setup(void *blob, bd_t *bd)
 {
 	phys_addr_t base;
 	phys_size_t size;

 	ft_cpu_setup(blob, bd);

 	base = getenv_bootm_low();
 	size = getenv_bootm_size();

 	fdt_fixup_memory(blob, (u64)base, (u64)size);

 #if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
 	fdt_fixup_dr_usb(blob, bd);
 #endif

 #ifdef CONFIG_PCI
 	pci_of_setup(blob, bd);
 #endif

 	fdt_fixup_liodn(blob);
 	fdt_fixup_dr_usb(blob, bd);
 	fdt_fixup_board_spi(blob);

 #ifdef CONFIG_SYS_DPAA_FMAN
 	fdt_fixup_fman_ethernet(blob);
 	fdt_fixup_board_enet(blob);
 #endif
 }
	/*
	* Copyright 2011-2012 Freescale Semiconductor, Inc.
	*
	* See file CREDITS for list of people who contributed to this
	* project.
	*
	* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public License as
	* published by the Free Software Foundation; either version 2 of
	* the License, or (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	* MA 02111-1307 USA
	*/

	#include <common.h>
	#include <command.h>
	#include <netdev.h>
	#include <linux/compiler.h>
	#include <asm/mmu.h>
	#include <asm/processor.h>
	#include <asm/cache.h>
	#include <asm/immap_85xx.h>
	#include <asm/fsl_law.h>
	#include <asm/fsl_serdes.h>
	#include <asm/fsl_portals.h>
	#include <asm/fsl_liodn.h>
	#include <fm_eth.h>
	#include <configs/P3060QDS.h>
	#include <libfdt.h>
	#include <fdt_support.h>

	#include "../common/qixis.h"
	#include "p3060qds.h"
	#include "p3060qds_qixis.h"

	DECLARE_GLOBAL_DATA_PTR;

	int checkboard(void)
	{
	u8 sw;
	struct cpu_type *cpu = gd->cpu;
	ccsr_gur_t gur = (void )CONFIG_SYS_MPC85xx_GUTS_ADDR;
	unsigned int i;

	printf("Board: %s", cpu->name);
	puts("QDS, ");

	printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, FPGA Ver: 0x%02x, ",
	QIXIS_READ(id), QIXIS_READ(arch), QIXIS_READ(scver));

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

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

	puts("Reset Configuration Word (RCW):");
	for (i = 0; i < ARRAY_SIZE(gur->rcwsr); i++) {
	u32 rcw = in_be32(&gur->rcwsr[i]);

	if ((i % 4) == 0)
	printf("\n %08x:", i * 4);
	printf(" %08x", rcw);
	}
	puts("\n");

	puts("SERDES Reference Clocks: ");
	sw = QIXIS_READ(brdcfg[2]);
	for (i = 0; i < 3; i++) {
	static const char * const freq[] = {"100", "125", "Reserved",
	"156.25"};
	unsigned int clock = (sw >> (2 * i)) & 3;

	printf("Bank%u=%sMhz ", i+1, freq[clock]);
	}
	puts("\n");

	return 0;
	}

	int board_early_init_f(void)
	{
	ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);

	/* only single DDR controller on QDS board, disable DDR1_MCK4/5 */
	setbits_be32(&gur->ddrclkdr, 0x00030000);

	return 0;
	}

	void board_config_serdes_mux(void)
	{
	ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	int cfg = (in_be32(&gur->rcwsr[4]) &
	FSL_CORENET_RCWSR4_SRDS_PRTCL) >> 26;

	switch (cfg) {
	case 0x03:
	case 0x06:
	/* set Lane I,J as SGMII */
	QIXIS_WRITE(brdcfg[6], BRDCFG6_SD4MX_B \| BRDCFG6_SD3MX_A \|
	BRDCFG6_SD2MX_B \| BRDCFG6_SD1MX_A);
	break;
	case 0x16:
	case 0x19:
	case 0x1c:
	/* set Lane I,J as Aurora Debug */
	QIXIS_WRITE(brdcfg[6], BRDCFG6_SD4MX_A \| BRDCFG6_SD3MX_B \|
	BRDCFG6_SD2MX_A \| BRDCFG6_SD1MX_B);
	break;
	default:
	puts("Invalid SerDes protocol for P3060QDS\n");
	break;
	}
	}

	void board_config_usb_mux(void)
	{
	u8 brdcfg4, brdcfg5, brdcfg7;
	ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	u32 rcwsr11 = in_be32(&gur->rcwsr[11]);
	u32 ec1 = rcwsr11 & FSL_CORENET_RCWSR11_EC1;
	u32 ec2 = rcwsr11 & FSL_CORENET_RCWSR11_EC2;

	brdcfg4 = QIXIS_READ(brdcfg[4]);
	brdcfg4 &= ~BRDCFG4_EC_MODE_MASK;
	if ((ec1 == FSL_CORENET_RCWSR11_EC1_FM1_USB1) &&
	(ec2 == FSL_CORENET_RCWSR11_EC2_USB2)) {
	brdcfg4 \|= BRDCFG4_EC2_USB_EC1_USB;

	} else if ((ec1 == FSL_CORENET_RCWSR11_EC1_FM1_USB1) &&
	((ec2 == FSL_CORENET_RCWSR11_EC2_FM1_DTSEC2) \|\|
	(ec2 == FSL_CORENET_RCWSR11_EC2_FM2_DTSEC1))) {
	brdcfg4 \|= BRDCFG4_EC2_RGMII_EC1_USB;

	} else if ((ec1 == FSL_CORENET_RCWSR11_EC1_FM1_DTSEC1) &&
	(ec2 == FSL_CORENET_RCWSR11_EC2_USB2)) {
	brdcfg4 \|= BRDCFG4_EC2_USB_EC1_RGMII;

	} else if ((ec1 == FSL_CORENET_RCWSR11_EC1_FM1_DTSEC1) &&
	((ec2 == FSL_CORENET_RCWSR11_EC2_FM1_DTSEC2) \|\|
	(ec2 == FSL_CORENET_RCWSR11_EC2_FM2_DTSEC1))) {
	brdcfg4 \|= BRDCFG4_EC2_RGMII_EC1_RGMII;
	} else {
	brdcfg4 \|= BRDCFG4_EC2_MII_EC1_MII;
	}
	QIXIS_WRITE(brdcfg[4], brdcfg4);

	brdcfg5 = QIXIS_READ(brdcfg[5]);
	brdcfg5 &= ~(BRDCFG5_USB1ID_MASK \| BRDCFG5_USB2ID_MASK);
	brdcfg5 \|= (BRDCFG5_USB1ID_CTRL \| BRDCFG5_USB2ID_CTRL);
	QIXIS_WRITE(brdcfg[5], brdcfg5);

	brdcfg7 = BRDCFG7_JTAGMX_COP_JTAG \| BRDCFG7_IQ1MX_IRQ_EVT \|
	BRDCFG7_G1MX_USB1 \| BRDCFG7_D1MX_TSEC3USB \| BRDCFG7_I3MX_USB1;
	QIXIS_WRITE(brdcfg[7], brdcfg7);
	}

	int board_early_init_r(void)
	{
	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
	const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);

	/*
	* Remap Boot flash + PROMJET region to caching-inhibited
	* so that flash can be erased properly.
	*/

	/* Flush d-cache and invalidate i-cache of any FLASH data */
	flush_dcache();
	invalidate_icache();

	/* invalidate existing TLB entry for flash + promjet */
	disable_tlb(flash_esel);

	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
	MAS3_SX\|MAS3_SW\|MAS3_SR, MAS2_I\|MAS2_G,
	0, flash_esel, BOOKE_PAGESZ_256M, 1);

	set_liodns();
	#ifdef CONFIG_SYS_DPAA_QBMAN
	setup_portals();
	#endif
	board_config_serdes_mux();
	board_config_usb_mux();

	return 0;
	}

	static const char *serdes_clock_to_string(u32 clock)
	{
	switch (clock) {
	case SRDS_PLLCR0_RFCK_SEL_100:
	return "100";
	case SRDS_PLLCR0_RFCK_SEL_125:
	return "125";
	case SRDS_PLLCR0_RFCK_SEL_156_25:
	return "156.25";
	default:
	return "150";
	}
	}

	#define NUM_SRDS_BANKS 3

	int misc_init_r(void)
	{
	serdes_corenet_t *srds_regs;
	u32 actual[NUM_SRDS_BANKS];
	unsigned int i;
	u8 sw;

	sw = QIXIS_READ(brdcfg[2]);
	for (i = 0; i < 3; i++) {
	unsigned int clock = (sw >> (2 * i)) & 3;
	switch (clock) {
	case 0:
	actual[i] = SRDS_PLLCR0_RFCK_SEL_100;
	break;
	case 1:
	actual[i] = SRDS_PLLCR0_RFCK_SEL_125;
	break;
	case 3:
	actual[i] = SRDS_PLLCR0_RFCK_SEL_156_25;
	break;
	default:
	printf("Warning: SDREFCLK%u switch setting of '10' is "
	"unsupported\n", i + 1);
	break;
	}
	}

	srds_regs = (void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
	for (i = 0; i < NUM_SRDS_BANKS; i++) {
	u32 pllcr0 = in_be32(&srds_regs->bank[i].pllcr0);
	u32 expected = pllcr0 & SRDS_PLLCR0_RFCK_SEL_MASK;
	if (expected != actual[i]) {
	printf("Warning: SERDES bank %u expects reference clock"
	" %sMHz, but actual is %sMHz\n", i + 1,
	serdes_clock_to_string(expected),
	serdes_clock_to_string(actual[i]));
	}
	}

	return 0;
	}

	/*
	* This is map of CVDD values. 33 means CVDD is 3.3v, 25 means CVDD is 2.5v,
	* 18 means CVDD is 1.8v.
	*/
	static u8 IO_VSEL[] = {
	33, 33, 33, 25, 25, 25, 18, 18, 18,
	33, 33, 33, 25, 25, 25, 18, 18, 18,
	33, 33, 33, 25, 25, 25, 18, 18, 18,
	33, 33, 33, 33, 33
	};

	#define IO_VSEL_MASK 0x1f

	/*
	* different CVDD selects diffenert spi flashs, read dutcfg[3] to get CVDD,
	* then set status of spi flash nodes to 'disabled' according to CVDD.
	* CVDD '33' will select spi flash0 and flash1, CVDD '25' will select spi
	* flash2, CVDD '18' will select spi flash3.
	*/
	void fdt_fixup_board_spi(void *blob)
	{
	u8 sw5 = QIXIS_READ(dutcfg[3]);

	switch (IO_VSEL[sw5 & IO_VSEL_MASK]) {
	/* 3.3v */
	case 33:
	do_fixup_by_compat(blob, "atmel,at45db081d", "status",
	"disabled", strlen("disabled") + 1, 1);
	do_fixup_by_compat(blob, "spansion,sst25wf040", "status",
	"disabled", strlen("disabled") + 1, 1);
	break;
	/* 2.5v */
	case 25:
	do_fixup_by_compat(blob, "spansion,s25sl12801", "status",
	"disabled", strlen("disabled") + 1, 1);
	do_fixup_by_compat(blob, "spansion,en25q32", "status",
	"disabled", strlen("disabled") + 1, 1);
	do_fixup_by_compat(blob, "spansion,sst25wf040", "status",
	"disabled", strlen("disabled") + 1, 1);
	break;
	/* 1.8v */
	case 18:
	do_fixup_by_compat(blob, "spansion,s25sl12801", "status",
	"disabled", strlen("disabled") + 1, 1);
	do_fixup_by_compat(blob, "spansion,en25q32", "status",
	"disabled", strlen("disabled") + 1, 1);
	do_fixup_by_compat(blob, "atmel,at45db081d", "status",
	"disabled", strlen("disabled") + 1, 1);
	break;
	}
	}

	void ft_board_setup(void blob, bd_t bd)
	{
	phys_addr_t base;
	phys_size_t size;

	ft_cpu_setup(blob, bd);

	base = getenv_bootm_low();
	size = getenv_bootm_size();

	fdt_fixup_memory(blob, (u64)base, (u64)size);

	#if defined(CONFIG_HAS_FSL_DR_USB) \|\| defined(CONFIG_HAS_FSL_MPH_USB)
	fdt_fixup_dr_usb(blob, bd);
	#endif

	#ifdef CONFIG_PCI
	pci_of_setup(blob, bd);
	#endif

	fdt_fixup_liodn(blob);
	fdt_fixup_dr_usb(blob, bd);
	fdt_fixup_board_spi(blob);

	#ifdef CONFIG_SYS_DPAA_FMAN
	fdt_fixup_fman_ethernet(blob);
	fdt_fixup_board_enet(blob);
	#endif
	}