board/freescale/bsc9132qds/bsc9132qds.c - filogic/uboot - Gitiles

 /*
  * Copyright 2013 Freescale Semiconductor, Inc.
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */

 #include <common.h>
 #include <asm/processor.h>
 #include <asm/mmu.h>
 #include <asm/cache.h>
 #include <asm/immap_85xx.h>
 #include <asm/io.h>
 #include <miiphy.h>
 #include <libfdt.h>
 #include <fdt_support.h>
 #include <fsl_mdio.h>
 #include <tsec.h>
 #include <mmc.h>
 #include <netdev.h>
 #include <asm/fsl_ifc.h>
 #include <hwconfig.h>
 #include <i2c.h>
 #include <asm/fsl_ddr_sdram.h>

 #ifdef CONFIG_PCI
 #include <pci.h>
 #include <asm/fsl_pci.h>
 #endif

 #include "../common/qixis.h"
 DECLARE_GLOBAL_DATA_PTR;


 int board_early_init_f(void)
 {
 	struct fsl_ifc *ifc = (void *)CONFIG_SYS_IFC_ADDR;

 	setbits_be32(&ifc->ifc_gcr, 1 << IFC_GCR_TBCTL_TRN_TIME_SHIFT);

 	return 0;
 }

 void board_config_serdes_mux(void)
 {
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	u32 pordevsr = in_be32(&gur->pordevsr);
 	u32 srds_cfg = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >>
 				MPC85xx_PORDEVSR_IO_SEL_SHIFT;

 	switch (srds_cfg) {
 	/* PEX(1) PEX(2) CPRI 2 CPRI 1 */
 	case  1:
 	case  2:
 	case  3:
 	case  4:
 	case  5:
 	case 22:
 	case 23:
 	case 24:
 	case 25:
 	case 26:
 		QIXIS_WRITE_I2C(brdcfg[4], 0x03);
 		break;

 	/* PEX(1) PEX(2) SGMII1 CPRI 1 */
 	case  6:
 	case  7:
 	case  8:
 	case  9:
 	case 10:
 	case 27:
 	case 28:
 	case 29:
 	case 30:
 	case 31:
 		QIXIS_WRITE_I2C(brdcfg[4], 0x01);
 		break;

 	/* PEX(1) PEX(2) SGMII1 SGMII2 */
 	case 11:
 	case 32:
 		QIXIS_WRITE_I2C(brdcfg[4], 0x00);
 		break;

 	/* PEX(1) SGMII2 CPRI 2 CPRI 1 */
 	case 12:
 	case 13:
 	case 14:
 	case 15:
 	case 16:
 	case 33:
 	case 34:
 	case 35:
 	case 36:
 	case 37:
 		QIXIS_WRITE_I2C(brdcfg[4], 0x07);
 		break;

 	/* PEX(1) SGMII2 SGMII1 CPRI 1 */
 	case 17:
 	case 18:
 	case 19:
 	case 20:
 	case 21:
 	case 38:
 	case 39:
 	case 40:
 	case 41:
 	case 42:
 		QIXIS_WRITE_I2C(brdcfg[4], 0x05);
 		break;

 	/* SGMII1 SGMII2 CPRI 2 CPRI 1 */
 	case 43:
 	case 44:
 	case 45:
 	case 46:
 	case 47:
 		QIXIS_WRITE_I2C(brdcfg[4], 0x0F);
 		break;


 	default:
 		break;
 	}
 }

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

 	/*
 	 * Remap Boot flash 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 */
 	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_64M, 1);

 	set_tlb(1, flashbase + 0x4000000,
 			CONFIG_SYS_FLASH_BASE_PHYS + 0x4000000,
 			MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
 			0, flash_esel+1, BOOKE_PAGESZ_64M, 1);
 #endif
 	board_config_serdes_mux();
 	return 0;
 }

 #ifdef CONFIG_PCI
 void pci_init_board(void)
 {
 	fsl_pcie_init_board(0);
 }
 #endif /* ifdef CONFIG_PCI */

 int checkboard(void)
 {
 	struct cpu_type *cpu;
 	u8 sw;

 	cpu = gd->arch.cpu;
 	printf("Board: %sQDS\n", cpu->name);

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

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

 	printf("IFC chip select:");
 	switch (sw) {
 	case 0:
 		printf("NOR\n");
 		break;
 	case 2:
 		printf("Promjet\n");
 		break;
 	case 4:
 		printf("NAND\n");
 		break;
 	default:
 		printf("Invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
 		break;
 	}

 	return 0;
 }

 #ifdef CONFIG_TSEC_ENET
 int board_eth_init(bd_t *bis)
 {
 	struct fsl_pq_mdio_info mdio_info;
 	struct tsec_info_struct tsec_info[4];
 	int num = 0;

 #ifdef CONFIG_TSEC1
 	SET_STD_TSEC_INFO(tsec_info[num], 1);
 	num++;

 #endif

 #ifdef CONFIG_TSEC2
 	SET_STD_TSEC_INFO(tsec_info[num], 2);
 	num++;
 #endif

 	mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
 	mdio_info.name = DEFAULT_MII_NAME;

 	fsl_pq_mdio_init(bis, &mdio_info);
 	tsec_eth_init(bis, tsec_info, num);

 	#ifdef CONFIG_PCI
 	pci_eth_init(bis);
 	#endif

 	return 0;
 }
 #endif

 #define USBMUX_SEL_MASK		0xc0
 #define USBMUX_SEL_UART2	0xc0
 #define USBMUX_SEL_USB		0x40
 #define SPIMUX_SEL_UART3	0x80
 #define GPS_MUX_SEL_GPS		0x40

 #define TSEC_1588_CLKIN_MASK	0x03
 #define CON_XCVR_REF_CLK	0x00

 int misc_init_r(void)
 {
 	u8 val;
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	u32 porbmsr = in_be32(&gur->porbmsr);
 	u32 romloc = (porbmsr >> MPC85xx_PORBMSR_ROMLOC_SHIFT) & 0xf;

 	/*Configure 1588 clock-in source from RF Card*/
 	val = QIXIS_READ_I2C(brdcfg[5]);
 	QIXIS_WRITE_I2C(brdcfg[5],
 		(val & ~(TSEC_1588_CLKIN_MASK)) | CON_XCVR_REF_CLK);

 	if (hwconfig("uart2") && hwconfig("usb1")) {
 		printf("UART2 and USB cannot work together on the board\n");
 		printf("Remove one from hwconfig and reset\n");
 	} else {
 		if (hwconfig("uart2")) {
 			val = QIXIS_READ_I2C(brdcfg[5]);
 			QIXIS_WRITE_I2C(brdcfg[5],
 				(val & ~(USBMUX_SEL_MASK)) | USBMUX_SEL_UART2);
 			clrbits_be32(&gur->pmuxcr3,
 						MPC85xx_PMUXCR3_USB_SEL_MASK);
 			setbits_be32(&gur->pmuxcr3, MPC85xx_PMUXCR3_UART2_SEL);
 		} else {
 			/* By default USB should be selected.
 			* Programming FPGA to select USB. */
 			val = QIXIS_READ_I2C(brdcfg[5]);
 			QIXIS_WRITE_I2C(brdcfg[5],
 				(val & ~(USBMUX_SEL_MASK)) | USBMUX_SEL_USB);
 		}

 	}

 	if (hwconfig("sim")) {
 		if (romloc == PORBMSR_ROMLOC_NAND_2K ||
 			romloc == PORBMSR_ROMLOC_NOR ||
 			romloc == PORBMSR_ROMLOC_SPI) {

 			val = QIXIS_READ_I2C(brdcfg[3]);
 			QIXIS_WRITE_I2C(brdcfg[3], val|0x10);
 			clrbits_be32(&gur->pmuxcr,
 				MPC85xx_PMUXCR0_SIM_SEL_MASK);
 			setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR0_SIM_SEL);
 		}
 	}

 	if (hwconfig("uart3")) {
 		if (romloc == PORBMSR_ROMLOC_NAND_2K ||
 			romloc == PORBMSR_ROMLOC_NOR ||
 			romloc == PORBMSR_ROMLOC_SDHC) {

 			/* UART3 and SPI1 (Flashes) are muxed together */
 			val = QIXIS_READ_I2C(brdcfg[3]);
 			QIXIS_WRITE_I2C(brdcfg[3], (val | SPIMUX_SEL_UART3));
 			clrbits_be32(&gur->pmuxcr3,
 						MPC85xx_PMUXCR3_UART3_SEL_MASK);
 			setbits_be32(&gur->pmuxcr3, MPC85xx_PMUXCR3_UART3_SEL);

 			/* MUX to select UART3 connection to J24 header
 			 * or to GPS */
 			val = QIXIS_READ_I2C(brdcfg[6]);
 			if (hwconfig("gps"))
 				QIXIS_WRITE_I2C(brdcfg[6],
 						(val | GPS_MUX_SEL_GPS));
 			else
 				QIXIS_WRITE_I2C(brdcfg[6],
 						(val & ~(GPS_MUX_SEL_GPS)));
 		}
 	}
 	return 0;
 }

 void fdt_del_node_compat(void *blob, const char *compatible)
 {
 	int err;
 	int off = fdt_node_offset_by_compatible(blob, -1, compatible);
 	if (off < 0) {
 		printf("WARNING: could not find compatible node %s: %s.\n",
 			compatible, fdt_strerror(off));
 		return;
 	}
 	err = fdt_del_node(blob, off);
 	if (err < 0) {
 		printf("WARNING: could not remove %s: %s.\n",
 			compatible, fdt_strerror(err));
 	}
 }

 #if defined(CONFIG_OF_BOARD_SETUP)
 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();

 	#if defined(CONFIG_PCI)
 	FT_FSL_PCI_SETUP;
 	#endif

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

 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	u32 porbmsr = in_be32(&gur->porbmsr);
 	u32 romloc = (porbmsr >> MPC85xx_PORBMSR_ROMLOC_SHIFT) & 0xf;

 	if (!(hwconfig("uart2") && hwconfig("usb1"))) {
 		/* If uart2 is there in hwconfig remove usb node from
 		 *  device tree */

 		if (hwconfig("uart2")) {
 			/* remove dts usb node */
 			fdt_del_node_compat(blob, "fsl-usb2-dr");
 		} else {
 			fdt_fixup_dr_usb(blob, bd);
 			fdt_del_node_and_alias(blob, "serial2");
 		}
 	}

 	if (hwconfig("uart3")) {
 		if (romloc == PORBMSR_ROMLOC_NAND_2K ||
 			romloc == PORBMSR_ROMLOC_NOR ||
 			romloc == PORBMSR_ROMLOC_SDHC)
 			/* Delete SPI node from the device tree */
 				fdt_del_node_and_alias(blob, "spi1");
 	} else
 		fdt_del_node_and_alias(blob, "serial3");

 	if (hwconfig("sim")) {
 		if (romloc == PORBMSR_ROMLOC_NAND_2K ||
 			romloc == PORBMSR_ROMLOC_NOR ||
 			romloc == PORBMSR_ROMLOC_SPI) {

 			/* remove dts sdhc node */
 			fdt_del_node_compat(blob, "fsl,esdhc");
 		} else if (romloc == PORBMSR_ROMLOC_SDHC) {

 			/* remove dts sim node */
 			fdt_del_node_compat(blob, "fsl,sim-v1.0");
 			printf("SIM & SDHC can't work together on the board");
 			printf("\nRemove sim from hwconfig and reset\n");
 		}
 	}
 }
 #endif
	/*
	* Copyright 2013 Freescale Semiconductor, Inc.
	*
	* SPDX-License-Identifier: GPL-2.0+
	*/

	#include <common.h>
	#include <asm/processor.h>
	#include <asm/mmu.h>
	#include <asm/cache.h>
	#include <asm/immap_85xx.h>
	#include <asm/io.h>
	#include <miiphy.h>
	#include <libfdt.h>
	#include <fdt_support.h>
	#include <fsl_mdio.h>
	#include <tsec.h>
	#include <mmc.h>
	#include <netdev.h>
	#include <asm/fsl_ifc.h>
	#include <hwconfig.h>
	#include <i2c.h>
	#include <asm/fsl_ddr_sdram.h>

	#ifdef CONFIG_PCI
	#include <pci.h>
	#include <asm/fsl_pci.h>
	#endif

	#include "../common/qixis.h"
	DECLARE_GLOBAL_DATA_PTR;


	int board_early_init_f(void)
	{
	struct fsl_ifc ifc = (void )CONFIG_SYS_IFC_ADDR;

	setbits_be32(&ifc->ifc_gcr, 1 << IFC_GCR_TBCTL_TRN_TIME_SHIFT);

	return 0;
	}

	void board_config_serdes_mux(void)
	{
	ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	u32 pordevsr = in_be32(&gur->pordevsr);
	u32 srds_cfg = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >>
	MPC85xx_PORDEVSR_IO_SEL_SHIFT;

	switch (srds_cfg) {
	/* PEX(1) PEX(2) CPRI 2 CPRI 1 */
	case 1:
	case 2:
	case 3:
	case 4:
	case 5:
	case 22:
	case 23:
	case 24:
	case 25:
	case 26:
	QIXIS_WRITE_I2C(brdcfg[4], 0x03);
	break;

	/* PEX(1) PEX(2) SGMII1 CPRI 1 */
	case 6:
	case 7:
	case 8:
	case 9:
	case 10:
	case 27:
	case 28:
	case 29:
	case 30:
	case 31:
	QIXIS_WRITE_I2C(brdcfg[4], 0x01);
	break;

	/* PEX(1) PEX(2) SGMII1 SGMII2 */
	case 11:
	case 32:
	QIXIS_WRITE_I2C(brdcfg[4], 0x00);
	break;

	/* PEX(1) SGMII2 CPRI 2 CPRI 1 */
	case 12:
	case 13:
	case 14:
	case 15:
	case 16:
	case 33:
	case 34:
	case 35:
	case 36:
	case 37:
	QIXIS_WRITE_I2C(brdcfg[4], 0x07);
	break;

	/* PEX(1) SGMII2 SGMII1 CPRI 1 */
	case 17:
	case 18:
	case 19:
	case 20:
	case 21:
	case 38:
	case 39:
	case 40:
	case 41:
	case 42:
	QIXIS_WRITE_I2C(brdcfg[4], 0x05);
	break;

	/* SGMII1 SGMII2 CPRI 2 CPRI 1 */
	case 43:
	case 44:
	case 45:
	case 46:
	case 47:
	QIXIS_WRITE_I2C(brdcfg[4], 0x0F);
	break;


	default:
	break;
	}
	}

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

	/*
	* Remap Boot flash 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 */
	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_64M, 1);

	set_tlb(1, flashbase + 0x4000000,
	CONFIG_SYS_FLASH_BASE_PHYS + 0x4000000,
	MAS3_SX\|MAS3_SW\|MAS3_SR, MAS2_I\|MAS2_G,
	0, flash_esel+1, BOOKE_PAGESZ_64M, 1);
	#endif
	board_config_serdes_mux();
	return 0;
	}

	#ifdef CONFIG_PCI
	void pci_init_board(void)
	{
	fsl_pcie_init_board(0);
	}
	#endif /* ifdef CONFIG_PCI */

	int checkboard(void)
	{
	struct cpu_type *cpu;
	u8 sw;

	cpu = gd->arch.cpu;
	printf("Board: %sQDS\n", cpu->name);

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

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

	printf("IFC chip select:");
	switch (sw) {
	case 0:
	printf("NOR\n");
	break;
	case 2:
	printf("Promjet\n");
	break;
	case 4:
	printf("NAND\n");
	break;
	default:
	printf("Invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);
	break;
	}

	return 0;
	}

	#ifdef CONFIG_TSEC_ENET
	int board_eth_init(bd_t *bis)
	{
	struct fsl_pq_mdio_info mdio_info;
	struct tsec_info_struct tsec_info[4];
	int num = 0;

	#ifdef CONFIG_TSEC1
	SET_STD_TSEC_INFO(tsec_info[num], 1);
	num++;

	#endif

	#ifdef CONFIG_TSEC2
	SET_STD_TSEC_INFO(tsec_info[num], 2);
	num++;
	#endif

	mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
	mdio_info.name = DEFAULT_MII_NAME;

	fsl_pq_mdio_init(bis, &mdio_info);
	tsec_eth_init(bis, tsec_info, num);

	#ifdef CONFIG_PCI
	pci_eth_init(bis);
	#endif

	return 0;
	}
	#endif

	#define USBMUX_SEL_MASK 0xc0
	#define USBMUX_SEL_UART2 0xc0
	#define USBMUX_SEL_USB 0x40
	#define SPIMUX_SEL_UART3 0x80
	#define GPS_MUX_SEL_GPS 0x40

	#define TSEC_1588_CLKIN_MASK 0x03
	#define CON_XCVR_REF_CLK 0x00

	int misc_init_r(void)
	{
	u8 val;
	ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	u32 porbmsr = in_be32(&gur->porbmsr);
	u32 romloc = (porbmsr >> MPC85xx_PORBMSR_ROMLOC_SHIFT) & 0xf;

	/Configure 1588 clock-in source from RF Card/
	val = QIXIS_READ_I2C(brdcfg[5]);
	QIXIS_WRITE_I2C(brdcfg[5],
	(val & ~(TSEC_1588_CLKIN_MASK)) \| CON_XCVR_REF_CLK);

	if (hwconfig("uart2") && hwconfig("usb1")) {
	printf("UART2 and USB cannot work together on the board\n");
	printf("Remove one from hwconfig and reset\n");
	} else {
	if (hwconfig("uart2")) {
	val = QIXIS_READ_I2C(brdcfg[5]);
	QIXIS_WRITE_I2C(brdcfg[5],
	(val & ~(USBMUX_SEL_MASK)) \| USBMUX_SEL_UART2);
	clrbits_be32(&gur->pmuxcr3,
	MPC85xx_PMUXCR3_USB_SEL_MASK);
	setbits_be32(&gur->pmuxcr3, MPC85xx_PMUXCR3_UART2_SEL);
	} else {
	/* By default USB should be selected.
	* Programming FPGA to select USB. */
	val = QIXIS_READ_I2C(brdcfg[5]);
	QIXIS_WRITE_I2C(brdcfg[5],
	(val & ~(USBMUX_SEL_MASK)) \| USBMUX_SEL_USB);
	}

	}

	if (hwconfig("sim")) {
	if (romloc == PORBMSR_ROMLOC_NAND_2K \|\|
	romloc == PORBMSR_ROMLOC_NOR \|\|
	romloc == PORBMSR_ROMLOC_SPI) {

	val = QIXIS_READ_I2C(brdcfg[3]);
	QIXIS_WRITE_I2C(brdcfg[3], val\|0x10);
	clrbits_be32(&gur->pmuxcr,
	MPC85xx_PMUXCR0_SIM_SEL_MASK);
	setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR0_SIM_SEL);
	}
	}

	if (hwconfig("uart3")) {
	if (romloc == PORBMSR_ROMLOC_NAND_2K \|\|
	romloc == PORBMSR_ROMLOC_NOR \|\|
	romloc == PORBMSR_ROMLOC_SDHC) {

	/* UART3 and SPI1 (Flashes) are muxed together */
	val = QIXIS_READ_I2C(brdcfg[3]);
	QIXIS_WRITE_I2C(brdcfg[3], (val \| SPIMUX_SEL_UART3));
	clrbits_be32(&gur->pmuxcr3,
	MPC85xx_PMUXCR3_UART3_SEL_MASK);
	setbits_be32(&gur->pmuxcr3, MPC85xx_PMUXCR3_UART3_SEL);

	/* MUX to select UART3 connection to J24 header
	* or to GPS */
	val = QIXIS_READ_I2C(brdcfg[6]);
	if (hwconfig("gps"))
	QIXIS_WRITE_I2C(brdcfg[6],
	(val \| GPS_MUX_SEL_GPS));
	else
	QIXIS_WRITE_I2C(brdcfg[6],
	(val & ~(GPS_MUX_SEL_GPS)));
	}
	}
	return 0;
	}

	void fdt_del_node_compat(void blob, const char compatible)
	{
	int err;
	int off = fdt_node_offset_by_compatible(blob, -1, compatible);
	if (off < 0) {
	printf("WARNING: could not find compatible node %s: %s.\n",
	compatible, fdt_strerror(off));
	return;
	}
	err = fdt_del_node(blob, off);
	if (err < 0) {
	printf("WARNING: could not remove %s: %s.\n",
	compatible, fdt_strerror(err));
	}
	}

	#if defined(CONFIG_OF_BOARD_SETUP)
	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();

	#if defined(CONFIG_PCI)
	FT_FSL_PCI_SETUP;
	#endif

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

	ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	u32 porbmsr = in_be32(&gur->porbmsr);
	u32 romloc = (porbmsr >> MPC85xx_PORBMSR_ROMLOC_SHIFT) & 0xf;

	if (!(hwconfig("uart2") && hwconfig("usb1"))) {
	/* If uart2 is there in hwconfig remove usb node from
	* device tree */

	if (hwconfig("uart2")) {
	/* remove dts usb node */
	fdt_del_node_compat(blob, "fsl-usb2-dr");
	} else {
	fdt_fixup_dr_usb(blob, bd);
	fdt_del_node_and_alias(blob, "serial2");
	}
	}

	if (hwconfig("uart3")) {
	if (romloc == PORBMSR_ROMLOC_NAND_2K \|\|
	romloc == PORBMSR_ROMLOC_NOR \|\|
	romloc == PORBMSR_ROMLOC_SDHC)
	/* Delete SPI node from the device tree */
	fdt_del_node_and_alias(blob, "spi1");
	} else
	fdt_del_node_and_alias(blob, "serial3");

	if (hwconfig("sim")) {
	if (romloc == PORBMSR_ROMLOC_NAND_2K \|\|
	romloc == PORBMSR_ROMLOC_NOR \|\|
	romloc == PORBMSR_ROMLOC_SPI) {

	/* remove dts sdhc node */
	fdt_del_node_compat(blob, "fsl,esdhc");
	} else if (romloc == PORBMSR_ROMLOC_SDHC) {

	/* remove dts sim node */
	fdt_del_node_compat(blob, "fsl,sim-v1.0");
	printf("SIM & SDHC can't work together on the board");
	printf("\nRemove sim from hwconfig and reset\n");
	}
	}
	}
	#endif