arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_serdes.c - u-boot - Git at Google

 // SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2015 Freescale Semiconductor, Inc.
  */

 #include <common.h>
 #include <asm/io.h>
 #include <linux/errno.h>
 #include <asm/arch/fsl_serdes.h>
 #include <asm/arch/soc.h>

 #ifdef CONFIG_SYS_FSL_SRDS_1
 static u8 serdes1_prtcl_map[SERDES_PRCTL_COUNT];
 #endif
 #ifdef CONFIG_SYS_FSL_SRDS_2
 static u8 serdes2_prtcl_map[SERDES_PRCTL_COUNT];
 #endif

 int is_serdes_configured(enum srds_prtcl device)
 {
 	int ret = 0;

 #ifdef CONFIG_SYS_FSL_SRDS_1
 	if (!serdes1_prtcl_map[NONE])
 		fsl_serdes_init();

 	ret |= serdes1_prtcl_map[device];
 #endif
 #ifdef CONFIG_SYS_FSL_SRDS_2
 	if (!serdes2_prtcl_map[NONE])
 		fsl_serdes_init();

 	ret |= serdes2_prtcl_map[device];
 #endif

 	return !!ret;
 }

 int serdes_get_first_lane(u32 sd, enum srds_prtcl device)
 {
 	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
 	u32 cfg = gur_in32(&gur->rcwsr[4]);
 	int i;

 	switch (sd) {
 #ifdef CONFIG_SYS_FSL_SRDS_1
 	case FSL_SRDS_1:
 		cfg &= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK;
 		cfg >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT;
 		break;
 #endif
 #ifdef CONFIG_SYS_FSL_SRDS_2
 	case FSL_SRDS_2:
 		cfg &= FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_MASK;
 		cfg >>= FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_SHIFT;
 		break;
 #endif
 	default:
 		printf("invalid SerDes%d\n", sd);
 		break;
 	}

 	/* Is serdes enabled at all? */
 	if (unlikely(cfg == 0))
 		return -ENODEV;

 	for (i = 0; i < SRDS_MAX_LANES; i++) {
 		if (serdes_get_prtcl(sd, cfg, i) == device)
 			return i;
 	}

 	return -ENODEV;
 }

 int get_serdes_protocol(void)
 {
 	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
 	u32 cfg = gur_in32(&gur->rcwsr[4]) &
 			  FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK;
 	cfg >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT;

 	return cfg;
 }

 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 "100";
 	}
 }

 void serdes_init(u32 sd, u32 sd_addr, u32 sd_prctl_mask, u32 sd_prctl_shift,
 		 u8 serdes_prtcl_map[SERDES_PRCTL_COUNT])
 {
 	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
 	u32 cfg;
 	int lane;

 	if (serdes_prtcl_map[NONE])
 		return;

 	memset(serdes_prtcl_map, 0, sizeof(u8) * SERDES_PRCTL_COUNT);

 	cfg = gur_in32(&gur->rcwsr[4]) & sd_prctl_mask;
 	cfg >>= sd_prctl_shift;
 	printf("Using SERDES%d Protocol: %d (0x%x)\n", sd + 1, cfg, cfg);

 	if (!is_serdes_prtcl_valid(sd, cfg))
 		printf("SERDES%d[PRTCL] = 0x%x is not valid\n", sd + 1, cfg);

 	for (lane = 0; lane < SRDS_MAX_LANES; lane++) {
 		enum srds_prtcl lane_prtcl = serdes_get_prtcl(sd, cfg, lane);

 		if (unlikely(lane_prtcl >= SERDES_PRCTL_COUNT))
 			debug("Unknown SerDes lane protocol %d\n", lane_prtcl);
 		else
 			serdes_prtcl_map[lane_prtcl] = 1;
 	}

 	/* Set the first element to indicate serdes has been initialized */
 	serdes_prtcl_map[NONE] = 1;
 }

 __weak int get_serdes_volt(void)
 {
 	return -1;
 }

 __weak int set_serdes_volt(int svdd)
 {
 	return -1;
 }

 int setup_serdes_volt(u32 svdd)
 {
 	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
 	struct ccsr_serdes *serdes1_base;
 #ifdef CONFIG_SYS_FSL_SRDS_2
 	struct ccsr_serdes *serdes2_base;
 #endif
 	u32 cfg_rcw4 = gur_in32(&gur->rcwsr[4]);
 	u32 cfg_rcw5 = gur_in32(&gur->rcwsr[5]);
 	u32 cfg_tmp, reg = 0;
 	int svdd_cur, svdd_tar;
 	int ret;
 	int i;

 	/* Only support switch SVDD to 900mV/1000mV */
 	if (svdd != 900 && svdd != 1000)
 		return -EINVAL;

 	svdd_tar = svdd;
 	svdd_cur = get_serdes_volt();
 	if (svdd_cur < 0)
 		return -EINVAL;

 	debug("%s: current SVDD: %dmV; target SVDD: %dmV\n",
 	      __func__, svdd_cur, svdd_tar);
 	if (svdd_cur == svdd_tar)
 		return 0;

 	serdes1_base = (void *)CONFIG_SYS_FSL_SERDES_ADDR;
 #ifdef CONFIG_SYS_FSL_SRDS_2
 	serdes2_base = (void *)serdes1_base + 0x10000;
 #endif

 	/* Put the all enabled lanes in reset */
 #ifdef CONFIG_SYS_FSL_SRDS_1
 	cfg_tmp = cfg_rcw4 & FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK;
 	cfg_tmp >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT;

 	for (i = 0; i < 4 && cfg_tmp & (0xf << (3 - i)); i++) {
 		reg = in_be32(&serdes1_base->lane[i].gcr0);
 		reg &= 0xFF9FFFFF;
 		out_be32(&serdes1_base->lane[i].gcr0, reg);
 	}
 #endif
 #ifdef CONFIG_SYS_FSL_SRDS_2
 	cfg_tmp = cfg_rcw4 & FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_MASK;
 	cfg_tmp >>= FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_SHIFT;

 	for (i = 0; i < 4 && cfg_tmp & (0xf << (3 - i)); i++) {
 		reg = in_be32(&serdes2_base->lane[i].gcr0);
 		reg &= 0xFF9FFFFF;
 		out_be32(&serdes2_base->lane[i].gcr0, reg);
 	}
 #endif

 	/* Put the all enabled PLL in reset */
 #ifdef CONFIG_SYS_FSL_SRDS_1
 	cfg_tmp = (cfg_rcw5 >> 22) & 0x3;
 	for (i = 0; i < 2 && !(cfg_tmp & (0x1 << (1 - i))); i++) {
 		reg = in_be32(&serdes1_base->bank[i].rstctl);
 		reg &= 0xFFFFFFBF;
 		reg |= 0x10000000;
 		out_be32(&serdes1_base->bank[i].rstctl, reg);
 		udelay(1);

 		reg = in_be32(&serdes1_base->bank[i].rstctl);
 		reg &= 0xFFFFFF1F;
 		out_be32(&serdes1_base->bank[i].rstctl, reg);
 	}
 	udelay(1);
 #endif

 #ifdef CONFIG_SYS_FSL_SRDS_2
 	cfg_tmp = (cfg_rcw5 >> 20) & 0x3;
 	for (i = 0; i < 2 && !(cfg_tmp & (0x1 << (1 - i))); i++) {
 		reg = in_be32(&serdes2_base->bank[i].rstctl);
 		reg &= 0xFFFFFFBF;
 		reg |= 0x10000000;
 		out_be32(&serdes2_base->bank[i].rstctl, reg);
 		udelay(1);

 		reg = in_be32(&serdes2_base->bank[i].rstctl);
 		reg &= 0xFFFFFF1F;
 		out_be32(&serdes2_base->bank[i].rstctl, reg);
 	}
 	udelay(1);
 #endif

 	/* Put the Rx/Tx calibration into reset */
 #ifdef CONFIG_SYS_FSL_SRDS_1
 	reg = in_be32(&serdes1_base->srdstcalcr);
 	reg &= 0xF7FFFFFF;
 	out_be32(&serdes1_base->srdstcalcr, reg);
 	reg = in_be32(&serdes1_base->srdsrcalcr);
 	reg &= 0xF7FFFFFF;
 	out_be32(&serdes1_base->srdsrcalcr, reg);

 #endif
 #ifdef CONFIG_SYS_FSL_SRDS_2
 	reg = in_be32(&serdes2_base->srdstcalcr);
 	reg &= 0xF7FFFFFF;
 	out_be32(&serdes2_base->srdstcalcr, reg);
 	reg = in_be32(&serdes2_base->srdsrcalcr);
 	reg &= 0xF7FFFFFF;
 	out_be32(&serdes2_base->srdsrcalcr, reg);
 #endif

 	/*
 	 * If SVDD set failed, will not return directly, so that the
 	 * serdes lanes can complete reseting.
 	 */
 	ret = set_serdes_volt(svdd_tar);
 	if (ret)
 		printf("%s: Failed to set SVDD\n", __func__);

 	/* Wait for SVDD to stabilize */
 	udelay(100);

 	/* For each PLL that’s not disabled via RCW */
 #ifdef CONFIG_SYS_FSL_SRDS_1
 	cfg_tmp = (cfg_rcw5 >> 22) & 0x3;
 	for (i = 0; i < 2 && !(cfg_tmp & (0x1 << (1 - i))); i++) {
 		reg = in_be32(&serdes1_base->bank[i].rstctl);
 		reg |= 0x00000020;
 		out_be32(&serdes1_base->bank[i].rstctl, reg);
 		udelay(1);

 		reg = in_be32(&serdes1_base->bank[i].rstctl);
 		reg |= 0x00000080;
 		out_be32(&serdes1_base->bank[i].rstctl, reg);

 		/* Take the Rx/Tx calibration out of reset */
 		if (!(cfg_tmp == 0x3 && i == 1)) {
 			udelay(1);
 			reg = in_be32(&serdes1_base->srdstcalcr);
 			reg |= 0x08000000;
 			out_be32(&serdes1_base->srdstcalcr, reg);
 			reg = in_be32(&serdes1_base->srdsrcalcr);
 			reg |= 0x08000000;
 			out_be32(&serdes1_base->srdsrcalcr, reg);
 		}
 	}
 	udelay(1);
 #endif

 #ifdef CONFIG_SYS_FSL_SRDS_2
 	cfg_tmp = (cfg_rcw5 >> 20) & 0x3;
 	for (i = 0; i < 2 && !(cfg_tmp & (0x1 << (1 - i))); i++) {
 		reg = in_be32(&serdes2_base->bank[i].rstctl);
 		reg |= 0x00000020;
 		out_be32(&serdes2_base->bank[i].rstctl, reg);
 		udelay(1);

 		reg = in_be32(&serdes2_base->bank[i].rstctl);
 		reg |= 0x00000080;
 		out_be32(&serdes2_base->bank[i].rstctl, reg);

 		/* Take the Rx/Tx calibration out of reset */
 		if (!(cfg_tmp == 0x3 && i == 1)) {
 			udelay(1);
 			reg = in_be32(&serdes2_base->srdstcalcr);
 			reg |= 0x08000000;
 			out_be32(&serdes2_base->srdstcalcr, reg);
 			reg = in_be32(&serdes2_base->srdsrcalcr);
 			reg |= 0x08000000;
 			out_be32(&serdes2_base->srdsrcalcr, reg);
 		}
 	}
 	udelay(1);

 #endif

 	/* Wait for at lesat 625us to ensure the PLLs being reset are locked */
 	udelay(800);

 #ifdef CONFIG_SYS_FSL_SRDS_1
 	cfg_tmp = (cfg_rcw5 >> 22) & 0x3;
 	for (i = 0; i < 2 && !(cfg_tmp & (0x1 << (1 - i))); i++) {
 		/* if the PLL is not locked, set RST_ERR */
 		reg = in_be32(&serdes1_base->bank[i].pllcr0);
 		if (!((reg >> 23) & 0x1)) {
 			reg = in_be32(&serdes1_base->bank[i].rstctl);
 			reg |= 0x20000000;
 			out_be32(&serdes1_base->bank[i].rstctl, reg);
 		} else {
 			udelay(1);
 			reg = in_be32(&serdes1_base->bank[i].rstctl);
 			reg &= 0xFFFFFFEF;
 			reg |= 0x00000040;
 			out_be32(&serdes1_base->bank[i].rstctl, reg);
 			udelay(1);
 		}
 	}
 #endif

 #ifdef CONFIG_SYS_FSL_SRDS_2
 	cfg_tmp = (cfg_rcw5 >> 20) & 0x3;
 	for (i = 0; i < 2 && !(cfg_tmp & (0x1 << (1 - i))); i++) {
 		reg = in_be32(&serdes2_base->bank[i].pllcr0);
 		if (!((reg >> 23) & 0x1)) {
 			reg = in_be32(&serdes2_base->bank[i].rstctl);
 			reg |= 0x20000000;
 			out_be32(&serdes2_base->bank[i].rstctl, reg);
 		} else {
 			udelay(1);
 			reg = in_be32(&serdes2_base->bank[i].rstctl);
 			reg &= 0xFFFFFFEF;
 			reg |= 0x00000040;
 			out_be32(&serdes2_base->bank[i].rstctl, reg);
 			udelay(1);
 		}
 	}
 #endif

 	/* Take the all enabled lanes out of reset */
 #ifdef CONFIG_SYS_FSL_SRDS_1
 	cfg_tmp = cfg_rcw4 & FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK;
 	cfg_tmp >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT;

 	for (i = 0; i < 4 && cfg_tmp & (0xf << (3 - i)); i++) {
 		reg = in_be32(&serdes1_base->lane[i].gcr0);
 		reg |= 0x00600000;
 		out_be32(&serdes1_base->lane[i].gcr0, reg);
 	}
 #endif
 #ifdef CONFIG_SYS_FSL_SRDS_2
 	cfg_tmp = cfg_rcw4 & FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_MASK;
 	cfg_tmp >>= FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_SHIFT;

 	for (i = 0; i < 4 && cfg_tmp & (0xf << (3 - i)); i++) {
 		reg = in_be32(&serdes2_base->lane[i].gcr0);
 		reg |= 0x00600000;
 		out_be32(&serdes2_base->lane[i].gcr0, reg);
 	}
 #endif
 	/* For each PLL being reset, and achieved PLL lock set RST_DONE */
 #ifdef CONFIG_SYS_FSL_SRDS_1
 	cfg_tmp = (cfg_rcw5 >> 22) & 0x3;
 	for (i = 0; i < 2; i++) {
 		reg = in_be32(&serdes1_base->bank[i].pllcr0);
 		if (!(cfg_tmp & (0x1 << (1 - i))) && ((reg >> 23) & 0x1)) {
 			reg = in_be32(&serdes1_base->bank[i].rstctl);
 			reg |= 0x40000000;
 			out_be32(&serdes1_base->bank[i].rstctl, reg);
 		}
 	}
 #endif
 #ifdef CONFIG_SYS_FSL_SRDS_2
 	cfg_tmp = (cfg_rcw5 >> 20) & 0x3;
 	for (i = 0; i < 2; i++) {
 		reg = in_be32(&serdes2_base->bank[i].pllcr0);
 		if (!(cfg_tmp & (0x1 << (1 - i))) && ((reg >> 23) & 0x1)) {
 			reg = in_be32(&serdes2_base->bank[i].rstctl);
 			reg |= 0x40000000;
 			out_be32(&serdes2_base->bank[i].rstctl, reg);
 		}
 	}
 #endif

 	return ret;
 }

 void fsl_serdes_init(void)
 {
 #ifdef CONFIG_SYS_FSL_SRDS_1
 	serdes_init(FSL_SRDS_1,
 		    CONFIG_SYS_FSL_SERDES_ADDR,
 		    FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK,
 		    FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT,
 		    serdes1_prtcl_map);
 #endif
 #ifdef CONFIG_SYS_FSL_SRDS_2
 	serdes_init(FSL_SRDS_2,
 		    CONFIG_SYS_FSL_SERDES_ADDR,
 		    FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_MASK,
 		    FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_SHIFT,
 		    serdes2_prtcl_map);
 #endif
 }
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* Copyright 2015 Freescale Semiconductor, Inc.
	*/

	#include <common.h>
	#include <asm/io.h>
	#include <linux/errno.h>
	#include <asm/arch/fsl_serdes.h>
	#include <asm/arch/soc.h>

	#ifdef CONFIG_SYS_FSL_SRDS_1
	static u8 serdes1_prtcl_map[SERDES_PRCTL_COUNT];
	#endif
	#ifdef CONFIG_SYS_FSL_SRDS_2
	static u8 serdes2_prtcl_map[SERDES_PRCTL_COUNT];
	#endif

	int is_serdes_configured(enum srds_prtcl device)
	{
	int ret = 0;

	#ifdef CONFIG_SYS_FSL_SRDS_1
	if (!serdes1_prtcl_map[NONE])
	fsl_serdes_init();

	ret \|= serdes1_prtcl_map[device];
	#endif
	#ifdef CONFIG_SYS_FSL_SRDS_2
	if (!serdes2_prtcl_map[NONE])
	fsl_serdes_init();

	ret \|= serdes2_prtcl_map[device];
	#endif

	return !!ret;
	}

	int serdes_get_first_lane(u32 sd, enum srds_prtcl device)
	{
	struct ccsr_gur __iomem gur = (void )(CONFIG_SYS_FSL_GUTS_ADDR);
	u32 cfg = gur_in32(&gur->rcwsr[4]);
	int i;

	switch (sd) {
	#ifdef CONFIG_SYS_FSL_SRDS_1
	case FSL_SRDS_1:
	cfg &= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK;
	cfg >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT;
	break;
	#endif
	#ifdef CONFIG_SYS_FSL_SRDS_2
	case FSL_SRDS_2:
	cfg &= FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_MASK;
	cfg >>= FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_SHIFT;
	break;
	#endif
	default:
	printf("invalid SerDes%d\n", sd);
	break;
	}

	/* Is serdes enabled at all? */
	if (unlikely(cfg == 0))
	return -ENODEV;

	for (i = 0; i < SRDS_MAX_LANES; i++) {
	if (serdes_get_prtcl(sd, cfg, i) == device)
	return i;
	}

	return -ENODEV;
	}

	int get_serdes_protocol(void)
	{
	struct ccsr_gur __iomem gur = (void )(CONFIG_SYS_FSL_GUTS_ADDR);
	u32 cfg = gur_in32(&gur->rcwsr[4]) &
	FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK;
	cfg >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT;

	return cfg;
	}

	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 "100";
	}
	}

	void serdes_init(u32 sd, u32 sd_addr, u32 sd_prctl_mask, u32 sd_prctl_shift,
	u8 serdes_prtcl_map[SERDES_PRCTL_COUNT])
	{
	struct ccsr_gur __iomem gur = (void )(CONFIG_SYS_FSL_GUTS_ADDR);
	u32 cfg;
	int lane;

	if (serdes_prtcl_map[NONE])
	return;

	memset(serdes_prtcl_map, 0, sizeof(u8) * SERDES_PRCTL_COUNT);

	cfg = gur_in32(&gur->rcwsr[4]) & sd_prctl_mask;
	cfg >>= sd_prctl_shift;
	printf("Using SERDES%d Protocol: %d (0x%x)\n", sd + 1, cfg, cfg);

	if (!is_serdes_prtcl_valid(sd, cfg))
	printf("SERDES%d[PRTCL] = 0x%x is not valid\n", sd + 1, cfg);

	for (lane = 0; lane < SRDS_MAX_LANES; lane++) {
	enum srds_prtcl lane_prtcl = serdes_get_prtcl(sd, cfg, lane);

	if (unlikely(lane_prtcl >= SERDES_PRCTL_COUNT))
	debug("Unknown SerDes lane protocol %d\n", lane_prtcl);
	else
	serdes_prtcl_map[lane_prtcl] = 1;
	}

	/* Set the first element to indicate serdes has been initialized */
	serdes_prtcl_map[NONE] = 1;
	}

	__weak int get_serdes_volt(void)
	{
	return -1;
	}

	__weak int set_serdes_volt(int svdd)
	{
	return -1;
	}

	int setup_serdes_volt(u32 svdd)
	{
	struct ccsr_gur __iomem gur = (void )(CONFIG_SYS_FSL_GUTS_ADDR);
	struct ccsr_serdes *serdes1_base;
	#ifdef CONFIG_SYS_FSL_SRDS_2
	struct ccsr_serdes *serdes2_base;
	#endif
	u32 cfg_rcw4 = gur_in32(&gur->rcwsr[4]);
	u32 cfg_rcw5 = gur_in32(&gur->rcwsr[5]);
	u32 cfg_tmp, reg = 0;
	int svdd_cur, svdd_tar;
	int ret;
	int i;

	/* Only support switch SVDD to 900mV/1000mV */
	if (svdd != 900 && svdd != 1000)
	return -EINVAL;

	svdd_tar = svdd;
	svdd_cur = get_serdes_volt();
	if (svdd_cur < 0)
	return -EINVAL;

	debug("%s: current SVDD: %dmV; target SVDD: %dmV\n",
	__func__, svdd_cur, svdd_tar);
	if (svdd_cur == svdd_tar)
	return 0;

	serdes1_base = (void *)CONFIG_SYS_FSL_SERDES_ADDR;
	#ifdef CONFIG_SYS_FSL_SRDS_2
	serdes2_base = (void *)serdes1_base + 0x10000;
	#endif

	/* Put the all enabled lanes in reset */
	#ifdef CONFIG_SYS_FSL_SRDS_1
	cfg_tmp = cfg_rcw4 & FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK;
	cfg_tmp >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT;

	for (i = 0; i < 4 && cfg_tmp & (0xf << (3 - i)); i++) {
	reg = in_be32(&serdes1_base->lane[i].gcr0);
	reg &= 0xFF9FFFFF;
	out_be32(&serdes1_base->lane[i].gcr0, reg);
	}
	#endif
	#ifdef CONFIG_SYS_FSL_SRDS_2
	cfg_tmp = cfg_rcw4 & FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_MASK;
	cfg_tmp >>= FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_SHIFT;

	for (i = 0; i < 4 && cfg_tmp & (0xf << (3 - i)); i++) {
	reg = in_be32(&serdes2_base->lane[i].gcr0);
	reg &= 0xFF9FFFFF;
	out_be32(&serdes2_base->lane[i].gcr0, reg);
	}
	#endif

	/* Put the all enabled PLL in reset */
	#ifdef CONFIG_SYS_FSL_SRDS_1
	cfg_tmp = (cfg_rcw5 >> 22) & 0x3;
	for (i = 0; i < 2 && !(cfg_tmp & (0x1 << (1 - i))); i++) {
	reg = in_be32(&serdes1_base->bank[i].rstctl);
	reg &= 0xFFFFFFBF;
	reg \|= 0x10000000;
	out_be32(&serdes1_base->bank[i].rstctl, reg);
	udelay(1);

	reg = in_be32(&serdes1_base->bank[i].rstctl);
	reg &= 0xFFFFFF1F;
	out_be32(&serdes1_base->bank[i].rstctl, reg);
	}
	udelay(1);
	#endif

	#ifdef CONFIG_SYS_FSL_SRDS_2
	cfg_tmp = (cfg_rcw5 >> 20) & 0x3;
	for (i = 0; i < 2 && !(cfg_tmp & (0x1 << (1 - i))); i++) {
	reg = in_be32(&serdes2_base->bank[i].rstctl);
	reg &= 0xFFFFFFBF;
	reg \|= 0x10000000;
	out_be32(&serdes2_base->bank[i].rstctl, reg);
	udelay(1);

	reg = in_be32(&serdes2_base->bank[i].rstctl);
	reg &= 0xFFFFFF1F;
	out_be32(&serdes2_base->bank[i].rstctl, reg);
	}
	udelay(1);
	#endif

	/* Put the Rx/Tx calibration into reset */
	#ifdef CONFIG_SYS_FSL_SRDS_1
	reg = in_be32(&serdes1_base->srdstcalcr);
	reg &= 0xF7FFFFFF;
	out_be32(&serdes1_base->srdstcalcr, reg);
	reg = in_be32(&serdes1_base->srdsrcalcr);
	reg &= 0xF7FFFFFF;
	out_be32(&serdes1_base->srdsrcalcr, reg);

	#endif
	#ifdef CONFIG_SYS_FSL_SRDS_2
	reg = in_be32(&serdes2_base->srdstcalcr);
	reg &= 0xF7FFFFFF;
	out_be32(&serdes2_base->srdstcalcr, reg);
	reg = in_be32(&serdes2_base->srdsrcalcr);
	reg &= 0xF7FFFFFF;
	out_be32(&serdes2_base->srdsrcalcr, reg);
	#endif

	/*
	* If SVDD set failed, will not return directly, so that the
	* serdes lanes can complete reseting.
	*/
	ret = set_serdes_volt(svdd_tar);
	if (ret)
	printf("%s: Failed to set SVDD\n", __func__);

	/* Wait for SVDD to stabilize */
	udelay(100);

	/* For each PLL that’s not disabled via RCW */
	#ifdef CONFIG_SYS_FSL_SRDS_1
	cfg_tmp = (cfg_rcw5 >> 22) & 0x3;
	for (i = 0; i < 2 && !(cfg_tmp & (0x1 << (1 - i))); i++) {
	reg = in_be32(&serdes1_base->bank[i].rstctl);
	reg \|= 0x00000020;
	out_be32(&serdes1_base->bank[i].rstctl, reg);
	udelay(1);

	reg = in_be32(&serdes1_base->bank[i].rstctl);
	reg \|= 0x00000080;
	out_be32(&serdes1_base->bank[i].rstctl, reg);

	/* Take the Rx/Tx calibration out of reset */
	if (!(cfg_tmp == 0x3 && i == 1)) {
	udelay(1);
	reg = in_be32(&serdes1_base->srdstcalcr);
	reg \|= 0x08000000;
	out_be32(&serdes1_base->srdstcalcr, reg);
	reg = in_be32(&serdes1_base->srdsrcalcr);
	reg \|= 0x08000000;
	out_be32(&serdes1_base->srdsrcalcr, reg);
	}
	}
	udelay(1);
	#endif

	#ifdef CONFIG_SYS_FSL_SRDS_2
	cfg_tmp = (cfg_rcw5 >> 20) & 0x3;
	for (i = 0; i < 2 && !(cfg_tmp & (0x1 << (1 - i))); i++) {
	reg = in_be32(&serdes2_base->bank[i].rstctl);
	reg \|= 0x00000020;
	out_be32(&serdes2_base->bank[i].rstctl, reg);
	udelay(1);

	reg = in_be32(&serdes2_base->bank[i].rstctl);
	reg \|= 0x00000080;
	out_be32(&serdes2_base->bank[i].rstctl, reg);

	/* Take the Rx/Tx calibration out of reset */
	if (!(cfg_tmp == 0x3 && i == 1)) {
	udelay(1);
	reg = in_be32(&serdes2_base->srdstcalcr);
	reg \|= 0x08000000;
	out_be32(&serdes2_base->srdstcalcr, reg);
	reg = in_be32(&serdes2_base->srdsrcalcr);
	reg \|= 0x08000000;
	out_be32(&serdes2_base->srdsrcalcr, reg);
	}
	}
	udelay(1);

	#endif

	/* Wait for at lesat 625us to ensure the PLLs being reset are locked */
	udelay(800);

	#ifdef CONFIG_SYS_FSL_SRDS_1
	cfg_tmp = (cfg_rcw5 >> 22) & 0x3;
	for (i = 0; i < 2 && !(cfg_tmp & (0x1 << (1 - i))); i++) {
	/* if the PLL is not locked, set RST_ERR */
	reg = in_be32(&serdes1_base->bank[i].pllcr0);
	if (!((reg >> 23) & 0x1)) {
	reg = in_be32(&serdes1_base->bank[i].rstctl);
	reg \|= 0x20000000;
	out_be32(&serdes1_base->bank[i].rstctl, reg);
	} else {
	udelay(1);
	reg = in_be32(&serdes1_base->bank[i].rstctl);
	reg &= 0xFFFFFFEF;
	reg \|= 0x00000040;
	out_be32(&serdes1_base->bank[i].rstctl, reg);
	udelay(1);
	}
	}
	#endif

	#ifdef CONFIG_SYS_FSL_SRDS_2
	cfg_tmp = (cfg_rcw5 >> 20) & 0x3;
	for (i = 0; i < 2 && !(cfg_tmp & (0x1 << (1 - i))); i++) {
	reg = in_be32(&serdes2_base->bank[i].pllcr0);
	if (!((reg >> 23) & 0x1)) {
	reg = in_be32(&serdes2_base->bank[i].rstctl);
	reg \|= 0x20000000;
	out_be32(&serdes2_base->bank[i].rstctl, reg);
	} else {
	udelay(1);
	reg = in_be32(&serdes2_base->bank[i].rstctl);
	reg &= 0xFFFFFFEF;
	reg \|= 0x00000040;
	out_be32(&serdes2_base->bank[i].rstctl, reg);
	udelay(1);
	}
	}
	#endif

	/* Take the all enabled lanes out of reset */
	#ifdef CONFIG_SYS_FSL_SRDS_1
	cfg_tmp = cfg_rcw4 & FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK;
	cfg_tmp >>= FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT;

	for (i = 0; i < 4 && cfg_tmp & (0xf << (3 - i)); i++) {
	reg = in_be32(&serdes1_base->lane[i].gcr0);
	reg \|= 0x00600000;
	out_be32(&serdes1_base->lane[i].gcr0, reg);
	}
	#endif
	#ifdef CONFIG_SYS_FSL_SRDS_2
	cfg_tmp = cfg_rcw4 & FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_MASK;
	cfg_tmp >>= FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_SHIFT;

	for (i = 0; i < 4 && cfg_tmp & (0xf << (3 - i)); i++) {
	reg = in_be32(&serdes2_base->lane[i].gcr0);
	reg \|= 0x00600000;
	out_be32(&serdes2_base->lane[i].gcr0, reg);
	}
	#endif
	/* For each PLL being reset, and achieved PLL lock set RST_DONE */
	#ifdef CONFIG_SYS_FSL_SRDS_1
	cfg_tmp = (cfg_rcw5 >> 22) & 0x3;
	for (i = 0; i < 2; i++) {
	reg = in_be32(&serdes1_base->bank[i].pllcr0);
	if (!(cfg_tmp & (0x1 << (1 - i))) && ((reg >> 23) & 0x1)) {
	reg = in_be32(&serdes1_base->bank[i].rstctl);
	reg \|= 0x40000000;
	out_be32(&serdes1_base->bank[i].rstctl, reg);
	}
	}
	#endif
	#ifdef CONFIG_SYS_FSL_SRDS_2
	cfg_tmp = (cfg_rcw5 >> 20) & 0x3;
	for (i = 0; i < 2; i++) {
	reg = in_be32(&serdes2_base->bank[i].pllcr0);
	if (!(cfg_tmp & (0x1 << (1 - i))) && ((reg >> 23) & 0x1)) {
	reg = in_be32(&serdes2_base->bank[i].rstctl);
	reg \|= 0x40000000;
	out_be32(&serdes2_base->bank[i].rstctl, reg);
	}
	}
	#endif

	return ret;
	}

	void fsl_serdes_init(void)
	{
	#ifdef CONFIG_SYS_FSL_SRDS_1
	serdes_init(FSL_SRDS_1,
	CONFIG_SYS_FSL_SERDES_ADDR,
	FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_MASK,
	FSL_CHASSIS2_RCWSR4_SRDS1_PRTCL_SHIFT,
	serdes1_prtcl_map);
	#endif
	#ifdef CONFIG_SYS_FSL_SRDS_2
	serdes_init(FSL_SRDS_2,
	CONFIG_SYS_FSL_SERDES_ADDR,
	FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_MASK,
	FSL_CHASSIS2_RCWSR4_SRDS2_PRTCL_SHIFT,
	serdes2_prtcl_map);
	#endif
	}