board/freescale/b4860qds/b4860qds.c - filogic/uboot - Gitiles

 /*
  * Copyright 2011-2012 Freescale Semiconductor, Inc.
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */

 #include <common.h>
 #include <command.h>
 #include <i2c.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 "../common/qixis.h"
 #include "../common/vsc3316_3308.h"
 #include "../common/idt8t49n222a_serdes_clk.h"
 #include "b4860qds.h"
 #include "b4860qds_qixis.h"
 #include "b4860qds_crossbar_con.h"

 #define CLK_MUX_SEL_MASK	0x4
 #define ETH_PHY_CLK_OUT		0x4
 #define PLL_NUM			2

 DECLARE_GLOBAL_DATA_PTR;

 int checkboard(void)
 {
 	char buf[64];
 	u8 sw;
 	struct cpu_type *cpu = gd->arch.cpu;
 	static const char *const freq[] = {"100", "125", "156.25", "161.13",
 						"122.88", "122.88", "122.88"};
 	int clock;

 	printf("Board: %sQDS, ", cpu->name);
 	printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, ",
 		QIXIS_READ(id), QIXIS_READ(arch));

 	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 && sw <= 0xE)
 		puts("NAND\n");
 	else
 		printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);

 	printf("FPGA: v%d (%s), build %d",
 		(int)QIXIS_READ(scver), qixis_read_tag(buf),
 		(int)qixis_read_minor());
 	/* the timestamp string contains "\n" at the end */
 	printf(" on %s", qixis_read_time(buf));

 	/*
 	 * Display the actual SERDES reference clocks as configured by the
 	 * dip switches on the board.  Note that the SWx registers could
 	 * technically be set to force the reference clocks to match the
 	 * values that the SERDES expects (or vice versa).  For now, however,
 	 * we just display both values and hope the user notices when they
 	 * don't match.
 	 */
 	puts("SERDES Reference Clocks: ");
 	sw = QIXIS_READ(brdcfg[2]);
 	clock = (sw >> 5) & 7;
 	printf("Bank1=%sMHz ", freq[clock]);
 	sw = QIXIS_READ(brdcfg[4]);
 	clock = (sw >> 6) & 3;
 	printf("Bank2=%sMHz\n", freq[clock]);

 	return 0;
 }

 int select_i2c_ch_pca(u8 ch)
 {
 	int ret;

 	/* Selecting proper channel via PCA*/
 	ret = i2c_write(I2C_MUX_PCA_ADDR, 0x0, 1, &ch, 1);
 	if (ret) {
 		printf("PCA: failed to select proper channel.\n");
 		return ret;
 	}

 	return 0;
 }

 int configure_vsc3316_3308(void)
 {
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	unsigned int num_vsc16_con, num_vsc08_con;
 	u32 serdes1_prtcl, serdes2_prtcl;
 	int ret;

 	serdes1_prtcl = in_be32(&gur->rcwsr[4]) &
 			FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
 	if (!serdes1_prtcl) {
 		printf("SERDES1 is not enabled\n");
 		return 0;
 	}
 	serdes1_prtcl >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
 	debug("Using SERDES1 Protocol: 0x%x:\n", serdes1_prtcl);

 	serdes2_prtcl = in_be32(&gur->rcwsr[4]) &
 			FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
 	if (!serdes2_prtcl) {
 		printf("SERDES2 is not enabled\n");
 		return 0;
 	}
 	serdes2_prtcl >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
 	debug("Using SERDES2 Protocol: 0x%x:\n", serdes2_prtcl);

 	switch (serdes1_prtcl) {
 	case 0x2a:
 	case 0x2C:
 	case 0x2D:
 	case 0x2E:
 			/*
 			 * Configuration:
 			 * SERDES: 1
 			 * Lanes: A,B: SGMII
 			 * Lanes: C,D,E,F,G,H: CPRI
 			 */
 		debug("Configuring crossbar to use onboard SGMII PHYs:"
 				"srds_prctl:%x\n", serdes1_prtcl);
 		num_vsc16_con = NUM_CON_VSC3316;
 		/* Configure VSC3316 crossbar switch */
 		ret = select_i2c_ch_pca(I2C_CH_VSC3316);
 		if (!ret) {
 			ret = vsc3316_config(VSC3316_TX_ADDRESS,
 					vsc16_tx_4sfp_sgmii_12_56,
 					num_vsc16_con);
 			if (ret)
 				return ret;
 			ret = vsc3316_config(VSC3316_RX_ADDRESS,
 					vsc16_rx_4sfp_sgmii_12_56,
 					num_vsc16_con);
 			if (ret)
 				return ret;
 		} else {
 			return ret;
 		}
 		break;

 #ifdef CONFIG_PPC_B4420
 	case 0x18:
 			/*
 			 * Configuration:
 			 * SERDES: 1
 			 * Lanes: A,B,C,D: SGMII
 			 * Lanes: E,F,G,H: CPRI
 			 */
 		debug("Configuring crossbar to use onboard SGMII PHYs:"
 				"srds_prctl:%x\n", serdes1_prtcl);
 		num_vsc16_con = NUM_CON_VSC3316;
 		/* Configure VSC3316 crossbar switch */
 		ret = select_i2c_ch_pca(I2C_CH_VSC3316);
 		if (!ret) {
 			ret = vsc3316_config(VSC3316_TX_ADDRESS,
 					vsc16_tx_sgmii_lane_cd, num_vsc16_con);
 			if (ret)
 				return ret;
 			ret = vsc3316_config(VSC3316_RX_ADDRESS,
 					vsc16_rx_sgmii_lane_cd, num_vsc16_con);
 			if (ret)
 				return ret;
 		} else {
 			return ret;
 		}
 		break;
 #endif

 	case 0x3E:
 	case 0x0D:
 	case 0x0E:
 	case 0x12:
 		num_vsc16_con = NUM_CON_VSC3316;
 		/* Configure VSC3316 crossbar switch */
 		ret = select_i2c_ch_pca(I2C_CH_VSC3316);
 		if (!ret) {
 			ret = vsc3316_config(VSC3316_TX_ADDRESS,
 					vsc16_tx_sfp, num_vsc16_con);
 			if (ret)
 				return ret;
 			ret = vsc3316_config(VSC3316_RX_ADDRESS,
 					vsc16_rx_sfp, num_vsc16_con);
 			if (ret)
 				return ret;
 		} else {
 			return ret;
 		}
 		break;
 	default:
 		printf("WARNING:VSC crossbars programming not supported for:%x"
 					" SerDes1 Protocol.\n", serdes1_prtcl);
 		return -1;
 	}

 	switch (serdes2_prtcl) {
 	case 0x9E:
 	case 0x9A:
 	case 0x98:
 	case 0xb2:
 	case 0x49:
 	case 0x4E:
 	case 0x8D:
 	case 0x7A:
 		num_vsc08_con = NUM_CON_VSC3308;
 		/* Configure VSC3308 crossbar switch */
 		ret = select_i2c_ch_pca(I2C_CH_VSC3308);
 		if (!ret) {
 			ret = vsc3308_config(VSC3308_TX_ADDRESS,
 					vsc08_tx_amc, num_vsc08_con);
 			if (ret)
 				return ret;
 			ret = vsc3308_config(VSC3308_RX_ADDRESS,
 					vsc08_rx_amc, num_vsc08_con);
 			if (ret)
 				return ret;
 		} else {
 			return ret;
 		}
 		break;
 	default:
 		printf("WARNING:VSC crossbars programming not supported for: %x"
 					" SerDes2 Protocol.\n", serdes2_prtcl);
 		return -1;
 	}

 	return 0;
 }

 int config_serdes1_refclks(void)
 {
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 	serdes_corenet_t *srds_regs =
 		(void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
 	u32 serdes1_prtcl, lane;
 	unsigned int flag_sgmii_prtcl = 0;
 	int ret, i;

 	serdes1_prtcl = in_be32(&gur->rcwsr[4]) &
 			FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
 	if (!serdes1_prtcl) {
 		printf("SERDES1 is not enabled\n");
 		return -1;
 	}
 	serdes1_prtcl >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
 	debug("Using SERDES1 Protocol: 0x%x:\n", serdes1_prtcl);

 	/* Clear SRDS_RSTCTL_RST bit for both PLLs before changing refclks
 	 */
 	for (i = 0; i < PLL_NUM; i++)
 		clrbits_be32(&srds_regs->bank[i].rstctl, SRDS_RSTCTL_RST);
 	/* Reconfigure IDT idt8t49n222a device for CPRI to work
 	 * For this SerDes1's Refclk1 and refclk2 need to be set
 	 * to 122.88MHz
 	 */
 	switch (serdes1_prtcl) {
 	case 0x2A:
 	case 0x2C:
 	case 0x2D:
 	case 0x2E:
 		debug("Configuring idt8t49n222a for CPRI SerDes clks:"
 			" for srds_prctl:%x\n", serdes1_prtcl);
 		ret = select_i2c_ch_pca(I2C_CH_IDT);
 		if (!ret) {
 			ret = set_serdes_refclk(IDT_SERDES1_ADDRESS, 1,
 					SERDES_REFCLK_122_88,
 					SERDES_REFCLK_122_88, 0);
 			if (ret) {
 				printf("IDT8T49N222A configuration failed.\n");
 				return ret;
 			} else
 				printf("IDT8T49N222A configured.\n");
 		} else {
 			return ret;
 		}
 		select_i2c_ch_pca(I2C_CH_DEFAULT);

 		/* Change SerDes1's Refclk1 to 125MHz for on board
 		 * SGMIIs to work
 		 */
 		for (lane = 0; lane < SRDS_MAX_LANES; lane++) {
 			enum srds_prtcl lane_prtcl = serdes_get_prtcl
 						(0, serdes1_prtcl, lane);
 			switch (lane_prtcl) {
 			case SGMII_FM1_DTSEC1:
 			case SGMII_FM1_DTSEC2:
 			case SGMII_FM1_DTSEC3:
 			case SGMII_FM1_DTSEC4:
 			case SGMII_FM1_DTSEC5:
 			case SGMII_FM1_DTSEC6:
 				flag_sgmii_prtcl++;
 				break;
 			default:
 				break;
 			}
 		}

 		if (flag_sgmii_prtcl)
 			QIXIS_WRITE(brdcfg[4], QIXIS_SRDS1CLK_125);

 		/* Steps For SerDes PLLs reset and reconfiguration after
 		 * changing SerDes's refclks
 		 */
 		for (i = 0; i < PLL_NUM; i++) {
 			debug("For PLL%d reset and reconfiguration after"
 			       " changing refclks\n", i+1);
 			clrbits_be32(&srds_regs->bank[i].rstctl,
 					SRDS_RSTCTL_SDRST_B);
 			udelay(10);
 			clrbits_be32(&srds_regs->bank[i].rstctl,
 				(SRDS_RSTCTL_SDEN | SRDS_RSTCTL_PLLRST_B));
 			udelay(10);
 			setbits_be32(&srds_regs->bank[i].rstctl,
 					SRDS_RSTCTL_RST);
 			setbits_be32(&srds_regs->bank[i].rstctl,
 				(SRDS_RSTCTL_SDEN | SRDS_RSTCTL_PLLRST_B
 				| SRDS_RSTCTL_SDRST_B));
 		}
 		break;
 	default:
 		printf("WARNING:IDT8T49N222A configuration not"
 			" supported for:%x SerDes1 Protocol.\n",
 			serdes1_prtcl);
 		return -1;
 	}

 	return 0;
 }

 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
 	/* SerDes1 refclks need to be set again, as default clks
 	 * are not suitable for CPRI and onboard SGMIIs to work
 	 * simultaneously.
 	 * This function will set SerDes1's Refclk1 and refclk2
 	 * as per SerDes1 protocols
 	 */
 	if (config_serdes1_refclks())
 		printf("SerDes1 Refclks couldn't set properly.\n");
 	else
 		printf("SerDes1 Refclks have been set.\n");

 	/* Configure VSC3316 and VSC3308 crossbar switches */
 	if (configure_vsc3316_3308())
 		printf("VSC:failed to configure VSC3316/3308.\n");
 	else
 		printf("VSC:VSC3316/3308 successfully configured.\n");

 	select_i2c_ch_pca(I2C_CH_DEFAULT);

 	return 0;
 }

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

 	switch ((sysclk_conf & 0x0C) >> 2) {
 	case QIXIS_CLK_100:
 		return 100000000;
 	case QIXIS_CLK_125:
 		return 125000000;
 	case QIXIS_CLK_133:
 		return 133333333;
 	}
 	return 66666666;
 }

 unsigned long get_board_ddr_clk(void)
 {
 	u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);

 	switch (ddrclk_conf & 0x03) {
 	case QIXIS_CLK_100:
 		return 100000000;
 	case QIXIS_CLK_125:
 		return 125000000;
 	case QIXIS_CLK_133:
 		return 133333333;
 	}
 	return 66666666;
 }

 static int serdes_refclock(u8 sw, u8 sdclk)
 {
 	unsigned int clock;
 	int ret = -1;
 	u8 brdcfg4;

 	if (sdclk == 1) {
 		brdcfg4 = QIXIS_READ(brdcfg[4]);
 		if ((brdcfg4 & CLK_MUX_SEL_MASK) == ETH_PHY_CLK_OUT)
 			return SRDS_PLLCR0_RFCK_SEL_125;
 		else
 			clock = (sw >> 5) & 7;
 	} else
 		clock = (sw >> 6) & 3;

 	switch (clock) {
 	case 0:
 		ret = SRDS_PLLCR0_RFCK_SEL_100;
 		break;
 	case 1:
 		ret = SRDS_PLLCR0_RFCK_SEL_125;
 		break;
 	case 2:
 		ret = SRDS_PLLCR0_RFCK_SEL_156_25;
 		break;
 	case 3:
 		ret = SRDS_PLLCR0_RFCK_SEL_161_13;
 		break;
 	case 4:
 	case 5:
 	case 6:
 		ret = SRDS_PLLCR0_RFCK_SEL_122_88;
 		break;
 	default:
 		ret = -1;
 		break;
 	}

 	return ret;
 }

 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";
 	case SRDS_PLLCR0_RFCK_SEL_161_13:
 		return "161.13";
 	default:
 		return "122.88";
 	}
 }

 #define NUM_SRDS_BANKS	2

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

 	sw = QIXIS_READ(brdcfg[2]);
 	clock = serdes_refclock(sw, 1);
 	if (clock >= 0)
 		actual[0] = clock;
 	else
 		printf("Warning: SDREFCLK1 switch setting is unsupported\n");

 	sw = QIXIS_READ(brdcfg[4]);
 	clock = serdes_refclock(sw, 2);
 	if (clock >= 0)
 		actual[1] = clock;
 	else
 		printf("Warning: SDREFCLK2 switch setting unsupported\n");

 	for (i = 0; i < NUM_SRDS_BANKS; i++) {
 		u32 pllcr0 = 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;
 }

 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);

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

 	fdt_fixup_liodn(blob);

 #ifdef CONFIG_HAS_FSL_DR_USB
 	fdt_fixup_dr_usb(blob, bd);
 #endif

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

 /*
  * Dump board switch settings.
  * The bits that cannot be read/sampled via some FPGA or some
  * registers, they will be displayed as
  * underscore in binary format. mask[] has those bits.
  * Some bits are calculated differently than the actual switches
  * if booting with overriding by FPGA.
  */
 void qixis_dump_switch(void)
 {
 	int i;
 	u8 sw[5];

 	/*
 	 * Any bit with 1 means that bit cannot be reverse engineered.
 	 * It will be displayed as _ in binary format.
 	 */
 	static const u8 mask[] = {0x07, 0, 0, 0xff, 0};
 	char buf[10];
 	u8 brdcfg[16], dutcfg[16];

 	for (i = 0; i < 16; i++) {
 		brdcfg[i] = qixis_read(offsetof(struct qixis, brdcfg[0]) + i);
 		dutcfg[i] = qixis_read(offsetof(struct qixis, dutcfg[0]) + i);
 	}

 	sw[0] = ((brdcfg[0] & 0x0f) << 4)	| \
 		(brdcfg[9] & 0x08);
 	sw[1] = ((dutcfg[1] & 0x01) << 7)	| \
 		((dutcfg[2] & 0x07) << 4)       | \
 		((dutcfg[6] & 0x10) >> 1)       | \
 		((dutcfg[6] & 0x80) >> 5)       | \
 		((dutcfg[1] & 0x40) >> 5)       | \
 		(dutcfg[6] & 0x01);
 	sw[2] = dutcfg[0];
 	sw[3] = 0;
 	sw[4] = ((brdcfg[1] & 0x30) << 2)	| \
 		((brdcfg[1] & 0xc0) >> 2)	| \
 		(brdcfg[1] & 0x0f);

 	puts("DIP switch settings:\n");
 	for (i = 0; i < 5; i++) {
 		printf("SW%d         = 0b%s (0x%02x)\n",
 			i + 1, byte_to_binary_mask(sw[i], mask[i], buf), sw[i]);
 	}
 }
	/*
	* Copyright 2011-2012 Freescale Semiconductor, Inc.
	*
	* SPDX-License-Identifier: GPL-2.0+
	*/

	#include <common.h>
	#include <command.h>
	#include <i2c.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 "../common/qixis.h"
	#include "../common/vsc3316_3308.h"
	#include "../common/idt8t49n222a_serdes_clk.h"
	#include "b4860qds.h"
	#include "b4860qds_qixis.h"
	#include "b4860qds_crossbar_con.h"

	#define CLK_MUX_SEL_MASK 0x4
	#define ETH_PHY_CLK_OUT 0x4
	#define PLL_NUM 2

	DECLARE_GLOBAL_DATA_PTR;

	int checkboard(void)
	{
	char buf[64];
	u8 sw;
	struct cpu_type *cpu = gd->arch.cpu;
	static const char *const freq[] = {"100", "125", "156.25", "161.13",
	"122.88", "122.88", "122.88"};
	int clock;

	printf("Board: %sQDS, ", cpu->name);
	printf("Sys ID: 0x%02x, Sys Ver: 0x%02x, ",
	QIXIS_READ(id), QIXIS_READ(arch));

	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 && sw <= 0xE)
	puts("NAND\n");
	else
	printf("invalid setting of SW%u\n", QIXIS_LBMAP_SWITCH);

	printf("FPGA: v%d (%s), build %d",
	(int)QIXIS_READ(scver), qixis_read_tag(buf),
	(int)qixis_read_minor());
	/* the timestamp string contains "\n" at the end */
	printf(" on %s", qixis_read_time(buf));

	/*
	* Display the actual SERDES reference clocks as configured by the
	* dip switches on the board. Note that the SWx registers could
	* technically be set to force the reference clocks to match the
	* values that the SERDES expects (or vice versa). For now, however,
	* we just display both values and hope the user notices when they
	* don't match.
	*/
	puts("SERDES Reference Clocks: ");
	sw = QIXIS_READ(brdcfg[2]);
	clock = (sw >> 5) & 7;
	printf("Bank1=%sMHz ", freq[clock]);
	sw = QIXIS_READ(brdcfg[4]);
	clock = (sw >> 6) & 3;
	printf("Bank2=%sMHz\n", freq[clock]);

	return 0;
	}

	int select_i2c_ch_pca(u8 ch)
	{
	int ret;

	/* Selecting proper channel via PCA*/
	ret = i2c_write(I2C_MUX_PCA_ADDR, 0x0, 1, &ch, 1);
	if (ret) {
	printf("PCA: failed to select proper channel.\n");
	return ret;
	}

	return 0;
	}

	int configure_vsc3316_3308(void)
	{
	ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	unsigned int num_vsc16_con, num_vsc08_con;
	u32 serdes1_prtcl, serdes2_prtcl;
	int ret;

	serdes1_prtcl = in_be32(&gur->rcwsr[4]) &
	FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
	if (!serdes1_prtcl) {
	printf("SERDES1 is not enabled\n");
	return 0;
	}
	serdes1_prtcl >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
	debug("Using SERDES1 Protocol: 0x%x:\n", serdes1_prtcl);

	serdes2_prtcl = in_be32(&gur->rcwsr[4]) &
	FSL_CORENET2_RCWSR4_SRDS2_PRTCL;
	if (!serdes2_prtcl) {
	printf("SERDES2 is not enabled\n");
	return 0;
	}
	serdes2_prtcl >>= FSL_CORENET2_RCWSR4_SRDS2_PRTCL_SHIFT;
	debug("Using SERDES2 Protocol: 0x%x:\n", serdes2_prtcl);

	switch (serdes1_prtcl) {
	case 0x2a:
	case 0x2C:
	case 0x2D:
	case 0x2E:
	/*
	* Configuration:
	* SERDES: 1
	* Lanes: A,B: SGMII
	* Lanes: C,D,E,F,G,H: CPRI
	*/
	debug("Configuring crossbar to use onboard SGMII PHYs:"
	"srds_prctl:%x\n", serdes1_prtcl);
	num_vsc16_con = NUM_CON_VSC3316;
	/* Configure VSC3316 crossbar switch */
	ret = select_i2c_ch_pca(I2C_CH_VSC3316);
	if (!ret) {
	ret = vsc3316_config(VSC3316_TX_ADDRESS,
	vsc16_tx_4sfp_sgmii_12_56,
	num_vsc16_con);
	if (ret)
	return ret;
	ret = vsc3316_config(VSC3316_RX_ADDRESS,
	vsc16_rx_4sfp_sgmii_12_56,
	num_vsc16_con);
	if (ret)
	return ret;
	} else {
	return ret;
	}
	break;

	#ifdef CONFIG_PPC_B4420
	case 0x18:
	/*
	* Configuration:
	* SERDES: 1
	* Lanes: A,B,C,D: SGMII
	* Lanes: E,F,G,H: CPRI
	*/
	debug("Configuring crossbar to use onboard SGMII PHYs:"
	"srds_prctl:%x\n", serdes1_prtcl);
	num_vsc16_con = NUM_CON_VSC3316;
	/* Configure VSC3316 crossbar switch */
	ret = select_i2c_ch_pca(I2C_CH_VSC3316);
	if (!ret) {
	ret = vsc3316_config(VSC3316_TX_ADDRESS,
	vsc16_tx_sgmii_lane_cd, num_vsc16_con);
	if (ret)
	return ret;
	ret = vsc3316_config(VSC3316_RX_ADDRESS,
	vsc16_rx_sgmii_lane_cd, num_vsc16_con);
	if (ret)
	return ret;
	} else {
	return ret;
	}
	break;
	#endif

	case 0x3E:
	case 0x0D:
	case 0x0E:
	case 0x12:
	num_vsc16_con = NUM_CON_VSC3316;
	/* Configure VSC3316 crossbar switch */
	ret = select_i2c_ch_pca(I2C_CH_VSC3316);
	if (!ret) {
	ret = vsc3316_config(VSC3316_TX_ADDRESS,
	vsc16_tx_sfp, num_vsc16_con);
	if (ret)
	return ret;
	ret = vsc3316_config(VSC3316_RX_ADDRESS,
	vsc16_rx_sfp, num_vsc16_con);
	if (ret)
	return ret;
	} else {
	return ret;
	}
	break;
	default:
	printf("WARNING:VSC crossbars programming not supported for:%x"
	" SerDes1 Protocol.\n", serdes1_prtcl);
	return -1;
	}

	switch (serdes2_prtcl) {
	case 0x9E:
	case 0x9A:
	case 0x98:
	case 0xb2:
	case 0x49:
	case 0x4E:
	case 0x8D:
	case 0x7A:
	num_vsc08_con = NUM_CON_VSC3308;
	/* Configure VSC3308 crossbar switch */
	ret = select_i2c_ch_pca(I2C_CH_VSC3308);
	if (!ret) {
	ret = vsc3308_config(VSC3308_TX_ADDRESS,
	vsc08_tx_amc, num_vsc08_con);
	if (ret)
	return ret;
	ret = vsc3308_config(VSC3308_RX_ADDRESS,
	vsc08_rx_amc, num_vsc08_con);
	if (ret)
	return ret;
	} else {
	return ret;
	}
	break;
	default:
	printf("WARNING:VSC crossbars programming not supported for: %x"
	" SerDes2 Protocol.\n", serdes2_prtcl);
	return -1;
	}

	return 0;
	}

	int config_serdes1_refclks(void)
	{
	ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	serdes_corenet_t *srds_regs =
	(void *)CONFIG_SYS_FSL_CORENET_SERDES_ADDR;
	u32 serdes1_prtcl, lane;
	unsigned int flag_sgmii_prtcl = 0;
	int ret, i;

	serdes1_prtcl = in_be32(&gur->rcwsr[4]) &
	FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
	if (!serdes1_prtcl) {
	printf("SERDES1 is not enabled\n");
	return -1;
	}
	serdes1_prtcl >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
	debug("Using SERDES1 Protocol: 0x%x:\n", serdes1_prtcl);

	/* Clear SRDS_RSTCTL_RST bit for both PLLs before changing refclks
	*/
	for (i = 0; i < PLL_NUM; i++)
	clrbits_be32(&srds_regs->bank[i].rstctl, SRDS_RSTCTL_RST);
	/* Reconfigure IDT idt8t49n222a device for CPRI to work
	* For this SerDes1's Refclk1 and refclk2 need to be set
	* to 122.88MHz
	*/
	switch (serdes1_prtcl) {
	case 0x2A:
	case 0x2C:
	case 0x2D:
	case 0x2E:
	debug("Configuring idt8t49n222a for CPRI SerDes clks:"
	" for srds_prctl:%x\n", serdes1_prtcl);
	ret = select_i2c_ch_pca(I2C_CH_IDT);
	if (!ret) {
	ret = set_serdes_refclk(IDT_SERDES1_ADDRESS, 1,
	SERDES_REFCLK_122_88,
	SERDES_REFCLK_122_88, 0);
	if (ret) {
	printf("IDT8T49N222A configuration failed.\n");
	return ret;
	} else
	printf("IDT8T49N222A configured.\n");
	} else {
	return ret;
	}
	select_i2c_ch_pca(I2C_CH_DEFAULT);

	/* Change SerDes1's Refclk1 to 125MHz for on board
	* SGMIIs to work
	*/
	for (lane = 0; lane < SRDS_MAX_LANES; lane++) {
	enum srds_prtcl lane_prtcl = serdes_get_prtcl
	(0, serdes1_prtcl, lane);
	switch (lane_prtcl) {
	case SGMII_FM1_DTSEC1:
	case SGMII_FM1_DTSEC2:
	case SGMII_FM1_DTSEC3:
	case SGMII_FM1_DTSEC4:
	case SGMII_FM1_DTSEC5:
	case SGMII_FM1_DTSEC6:
	flag_sgmii_prtcl++;
	break;
	default:
	break;
	}
	}

	if (flag_sgmii_prtcl)
	QIXIS_WRITE(brdcfg[4], QIXIS_SRDS1CLK_125);

	/* Steps For SerDes PLLs reset and reconfiguration after
	* changing SerDes's refclks
	*/
	for (i = 0; i < PLL_NUM; i++) {
	debug("For PLL%d reset and reconfiguration after"
	" changing refclks\n", i+1);
	clrbits_be32(&srds_regs->bank[i].rstctl,
	SRDS_RSTCTL_SDRST_B);
	udelay(10);
	clrbits_be32(&srds_regs->bank[i].rstctl,
	(SRDS_RSTCTL_SDEN \| SRDS_RSTCTL_PLLRST_B));
	udelay(10);
	setbits_be32(&srds_regs->bank[i].rstctl,
	SRDS_RSTCTL_RST);
	setbits_be32(&srds_regs->bank[i].rstctl,
	(SRDS_RSTCTL_SDEN \| SRDS_RSTCTL_PLLRST_B
	\| SRDS_RSTCTL_SDRST_B));
	}
	break;
	default:
	printf("WARNING:IDT8T49N222A configuration not"
	" supported for:%x SerDes1 Protocol.\n",
	serdes1_prtcl);
	return -1;
	}

	return 0;
	}

	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
	/* SerDes1 refclks need to be set again, as default clks
	* are not suitable for CPRI and onboard SGMIIs to work
	* simultaneously.
	* This function will set SerDes1's Refclk1 and refclk2
	* as per SerDes1 protocols
	*/
	if (config_serdes1_refclks())
	printf("SerDes1 Refclks couldn't set properly.\n");
	else
	printf("SerDes1 Refclks have been set.\n");

	/* Configure VSC3316 and VSC3308 crossbar switches */
	if (configure_vsc3316_3308())
	printf("VSC:failed to configure VSC3316/3308.\n");
	else
	printf("VSC:VSC3316/3308 successfully configured.\n");

	select_i2c_ch_pca(I2C_CH_DEFAULT);

	return 0;
	}

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

	switch ((sysclk_conf & 0x0C) >> 2) {
	case QIXIS_CLK_100:
	return 100000000;
	case QIXIS_CLK_125:
	return 125000000;
	case QIXIS_CLK_133:
	return 133333333;
	}
	return 66666666;
	}

	unsigned long get_board_ddr_clk(void)
	{
	u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);

	switch (ddrclk_conf & 0x03) {
	case QIXIS_CLK_100:
	return 100000000;
	case QIXIS_CLK_125:
	return 125000000;
	case QIXIS_CLK_133:
	return 133333333;
	}
	return 66666666;
	}

	static int serdes_refclock(u8 sw, u8 sdclk)
	{
	unsigned int clock;
	int ret = -1;
	u8 brdcfg4;

	if (sdclk == 1) {
	brdcfg4 = QIXIS_READ(brdcfg[4]);
	if ((brdcfg4 & CLK_MUX_SEL_MASK) == ETH_PHY_CLK_OUT)
	return SRDS_PLLCR0_RFCK_SEL_125;
	else
	clock = (sw >> 5) & 7;
	} else
	clock = (sw >> 6) & 3;

	switch (clock) {
	case 0:
	ret = SRDS_PLLCR0_RFCK_SEL_100;
	break;
	case 1:
	ret = SRDS_PLLCR0_RFCK_SEL_125;
	break;
	case 2:
	ret = SRDS_PLLCR0_RFCK_SEL_156_25;
	break;
	case 3:
	ret = SRDS_PLLCR0_RFCK_SEL_161_13;
	break;
	case 4:
	case 5:
	case 6:
	ret = SRDS_PLLCR0_RFCK_SEL_122_88;
	break;
	default:
	ret = -1;
	break;
	}

	return ret;
	}

	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";
	case SRDS_PLLCR0_RFCK_SEL_161_13:
	return "161.13";
	default:
	return "122.88";
	}
	}

	#define NUM_SRDS_BANKS 2

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

	sw = QIXIS_READ(brdcfg[2]);
	clock = serdes_refclock(sw, 1);
	if (clock >= 0)
	actual[0] = clock;
	else
	printf("Warning: SDREFCLK1 switch setting is unsupported\n");

	sw = QIXIS_READ(brdcfg[4]);
	clock = serdes_refclock(sw, 2);
	if (clock >= 0)
	actual[1] = clock;
	else
	printf("Warning: SDREFCLK2 switch setting unsupported\n");

	for (i = 0; i < NUM_SRDS_BANKS; i++) {
	u32 pllcr0 = 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;
	}

	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);

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

	fdt_fixup_liodn(blob);

	#ifdef CONFIG_HAS_FSL_DR_USB
	fdt_fixup_dr_usb(blob, bd);
	#endif

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

	/*
	* Dump board switch settings.
	* The bits that cannot be read/sampled via some FPGA or some
	* registers, they will be displayed as
	* underscore in binary format. mask[] has those bits.
	* Some bits are calculated differently than the actual switches
	* if booting with overriding by FPGA.
	*/
	void qixis_dump_switch(void)
	{
	int i;
	u8 sw[5];

	/*
	* Any bit with 1 means that bit cannot be reverse engineered.
	* It will be displayed as _ in binary format.
	*/
	static const u8 mask[] = {0x07, 0, 0, 0xff, 0};
	char buf[10];
	u8 brdcfg[16], dutcfg[16];

	for (i = 0; i < 16; i++) {
	brdcfg[i] = qixis_read(offsetof(struct qixis, brdcfg[0]) + i);
	dutcfg[i] = qixis_read(offsetof(struct qixis, dutcfg[0]) + i);
	}

	sw[0] = ((brdcfg[0] & 0x0f) << 4) \| \
	(brdcfg[9] & 0x08);
	sw[1] = ((dutcfg[1] & 0x01) << 7) \| \
	((dutcfg[2] & 0x07) << 4) \| \
	((dutcfg[6] & 0x10) >> 1) \| \
	((dutcfg[6] & 0x80) >> 5) \| \
	((dutcfg[1] & 0x40) >> 5) \| \
	(dutcfg[6] & 0x01);
	sw[2] = dutcfg[0];
	sw[3] = 0;
	sw[4] = ((brdcfg[1] & 0x30) << 2) \| \
	((brdcfg[1] & 0xc0) >> 2) \| \
	(brdcfg[1] & 0x0f);

	puts("DIP switch settings:\n");
	for (i = 0; i < 5; i++) {
	printf("SW%d = 0b%s (0x%02x)\n",
	i + 1, byte_to_binary_mask(sw[i], mask[i], buf), sw[i]);
	}
	}