Merge changes I500ddbe9,I9c10dac9,I53bfff85,I06f7594d,I24bff8d4, ... into integration

* changes:
  nxp lx2160a-aqds: new plat based on soc lx2160a
  NXP lx2160a-rdb: new plat based on SoC lx2160a
  nxp lx2162aqds: new plat based on soc lx2160a
  nxp: errata handling at soc level for lx2160a
  nxp: make file for loading additional ddr image
  nxp: adding support of soc lx2160a
  nxp: deflt hdr files for soc & their platforms
  nxp: platform files for bl2 and bl31 setup
  nxp: warm reset support to retain ddr content
  nxp: nv storage api on platforms
  nxp: supports two mode of trusted board boot
  nxp: fip-handler for additional fip_fuse.bin
  nxp: fip-handler for additional ddr-fip.bin
  nxp: image loader for loading fip image
  nxp: svp & sip smc handling
  nxp: psci platform functions used by lib/psci
  nxp: helper function used by plat & common code
  nxp: add data handler used by bl31
  nxp: adding the driver.mk file
  nxp-tool: for creating pbl file from bl2
  nxp: adding the smmu driver
  nxp: cot using nxp internal and mbedtls
  nxp:driver for crypto h/w accelerator caam
  nxp:add driver support for sd and emmc
  nxp:add qspi driver
  nxp: add flexspi driver support
  nxp: adding gic apis for nxp soc
  nxp: gpio driver support
  nxp: added csu driver
  nxp: driver pmu for nxp soc
  nxp: ddr driver enablement for nxp layerscape soc
  nxp: i2c driver support.
  NXP: Driver for NXP Security Monitor
  NXP: SFP driver support for NXP SoC
  NXP: Interconnect API based on ARM CCN-CCI driver
  NXP: TZC API to configure ddr region
  NXP: Timer API added to enable ARM generic timer
  nxp: add dcfg driver
  nxp:add console driver for nxp platform
  tools: add mechanism to allow platform specific image UUID
  tbbr-cot: conditional definition for the macro
  tbbr-cot: fix the issue of compiling time define
  cert_create: updated tool for platform defined certs, keys & extensions
  tbbr-tools: enable override TRUSTED_KEY_CERT

drivers/nxp/sd/sd_mmc.c

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ *
+ */
+
+#include <endian.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <drivers/io/io_block.h>
+#include "nxp_timer.h"
+#include "sd_mmc.h"
+#include <utils.h>
+#include <utils_def.h>
+
+
+/* Private structure for MMC driver data */
+static struct mmc mmc_drv_data;
+
+#ifndef NXP_POLICY_OTA
+/*
+ * For NXP_POLICY_OTA, SD needs to do R/W on OCRAM. OCRAM is secure memory at
+ * default. SD can only do non-secure DMA. Configuring SD to work in PIO mode
+ * instead of DMA mode will make SD R/W on OCRAM available.
+ */
+/* To debug without dma comment this MACRO */
+#define NXP_SD_DMA_CAPABILITY
+#endif
+#define SD_TIMEOUT        1000 /* ms */
+#define SD_TIMEOUT_HIGH   20000 /* ms */
+#define SD_BLOCK_TIMEOUT  8 /* ms */
+
+#define ERROR_ESDHC_CARD_DETECT_FAIL	-1
+#define ERROR_ESDHC_UNUSABLE_CARD	-2
+#define ERROR_ESDHC_COMMUNICATION_ERROR	-3
+#define ERROR_ESDHC_BLOCK_LENGTH	-4
+#define ERROR_ESDHC_DMA_ERROR		-5
+#define ERROR_ESDHC_BUSY		-6
+
+/***************************************************************
+ * Function    :    set_speed
+ * Arguments   :    mmc - Pointer to mmc struct
+ *                  clock - Clock Value to be set
+ * Return      :    void
+ * Description :    Calculates the value of SDCLKFS and DVS to be set
+ *                  for getting the required clock assuming the base_clk
+ *                  as a fixed value (MAX_PLATFORM_CLOCK)
+ *****************************************************************/
+static void set_speed(struct mmc *mmc, uint32_t clock)
+{
+	/* sdhc_clk = (base clock) / [(SDCLKFS × 2) × (DVS +1)] */
+
+	uint32_t dvs = 1U;
+	uint32_t sdclkfs = 2U;
+	/* TBD - Change this to actual platform clock by reading via RCW */
+	uint32_t base_clk = MAX_PLATFORM_CLOCK;
+
+	if (base_clk / 16 > clock) {
+		for (sdclkfs = 2U; sdclkfs < 256U; sdclkfs *= 2U) {
+			if ((base_clk / sdclkfs) <= (clock * 16)) {
+				break;
+			}
+		}
+	}
+
+	for (dvs = 1U; dvs <= 16U; dvs++) {
+		if ((base_clk / (dvs * sdclkfs)) <= clock) {
+			break;
+		}
+	}
+
+	sdclkfs >>= 1U;
+	dvs -= 1U;
+
+	esdhc_out32(&mmc->esdhc_regs->sysctl,
+			(ESDHC_SYSCTL_DTOCV(TIMEOUT_COUNTER_SDCLK_2_27) |
+			 ESDHC_SYSCTL_SDCLKFS(sdclkfs) | ESDHC_SYSCTL_DVS(dvs) |
+			 ESDHC_SYSCTL_SDCLKEN));
+}
+
+/***************************************************************************
+ * Function    :    esdhc_init
+ * Arguments   :    mmc - Pointer to mmc struct
+ *                  card_detect - flag to indicate if card insert needs
+ *                  to be detected or not. For SDHC2 controller, Card detect
+ *                  is not present, so this field will be false
+ * Return      :    SUCCESS or Error Code
+ * Description :    1. Set Initial Clock Speed
+ *                  2. Card Detect if not eMMC
+ *                  3. Enable Controller Clock
+ *                  4. Send 80 ticks for card to power up
+ *                  5. Set LE mode and Bus Width as 1 bit.
+ ***************************************************************************/
+static int esdhc_init(struct mmc *mmc, bool card_detect)
+{
+	uint32_t val;
+	uint64_t start_time;
+
+	/* Reset the entire host controller */
+	val = esdhc_in32(&mmc->esdhc_regs->sysctl) | ESDHC_SYSCTL_RSTA;
+	esdhc_out32(&mmc->esdhc_regs->sysctl, val);
+
+	/* Wait until the controller is available */
+	start_time = get_timer_val(0);
+	while (get_timer_val(start_time) < SD_TIMEOUT_HIGH) {
+		val = esdhc_in32(&mmc->esdhc_regs->sysctl) & ESDHC_SYSCTL_RSTA;
+		if (val == 0U) {
+			break;
+		}
+	}
+
+	val = esdhc_in32(&mmc->esdhc_regs->sysctl) &
+		(ESDHC_SYSCTL_RSTA);
+	if (val != 0U) {
+		ERROR("SD Reset failed\n");
+		return ERROR_ESDHC_BUSY;
+	}
+
+	/* Set initial clock speed */
+	set_speed(mmc, CARD_IDENTIFICATION_FREQ);
+
+	if (card_detect) {
+		/* Check CINS in prsstat register */
+		val = esdhc_in32(&mmc->esdhc_regs->prsstat) &
+			ESDHC_PRSSTAT_CINS;
+		if (val == 0) {
+			ERROR("CINS not set in prsstat\n");
+			return ERROR_ESDHC_CARD_DETECT_FAIL;
+		}
+	}
+
+	/* Enable controller clock */
+	val = esdhc_in32(&mmc->esdhc_regs->sysctl) | ESDHC_SYSCTL_SDCLKEN;
+	esdhc_out32(&mmc->esdhc_regs->sysctl, val);
+
+	/* Send 80 clock ticks for the card to power up */
+	val = esdhc_in32(&mmc->esdhc_regs->sysctl) | ESDHC_SYSCTL_INITA;
+	esdhc_out32(&mmc->esdhc_regs->sysctl, val);
+
+	start_time = get_timer_val(0);
+	while (get_timer_val(start_time) < SD_TIMEOUT) {
+		val = esdhc_in32(&mmc->esdhc_regs->sysctl) & ESDHC_SYSCTL_INITA;
+		if (val != 0U) {
+			break;
+		}
+	}
+
+	val = esdhc_in32(&mmc->esdhc_regs->sysctl) & ESDHC_SYSCTL_INITA;
+	if (val == 0U) {
+		ERROR("Failed to power up the card\n");
+		return ERROR_ESDHC_CARD_DETECT_FAIL;
+	}
+
+	INFO("Card detected successfully\n");
+
+	val = esdhc_in32(&mmc->esdhc_regs->proctl);
+	val = val | (ESDHC_PROCTL_EMODE_LE | ESDHC_PROCTL_DTW_1BIT);
+
+	/* Set little endian mode, set bus width as 1-bit */
+	esdhc_out32(&mmc->esdhc_regs->proctl, val);
+
+	/* Enable cache snooping for DMA transactions */
+	val = esdhc_in32(&mmc->esdhc_regs->ctl) | ESDHC_DCR_SNOOP;
+	esdhc_out32(&mmc->esdhc_regs->ctl, val);
+
+	return 0;
+}
+
+/***************************************************************************
+ * Function    :    esdhc_send_cmd
+ * Arguments   :    mmc - Pointer to mmc struct
+ *                  cmd - Command Number
+ *                  args - Command Args
+ * Return      :    SUCCESS is 0, or Error Code ( < 0)
+ * Description :    Updates the eSDHC registers cmdargs and xfertype
+ ***************************************************************************/
+static int esdhc_send_cmd(struct mmc *mmc, uint32_t cmd, uint32_t args)
+{
+	uint32_t val;
+	uint64_t start_time;
+	uint32_t xfertyp = 0;
+
+	esdhc_out32(&mmc->esdhc_regs->irqstat, ESDHC_IRQSTAT_CLEAR_ALL);
+
+	/* Wait for the command line & data line to be free */
+	/* (poll the CIHB,CDIHB bit of the present state register) */
+	start_time = get_timer_val(0);
+	while (get_timer_val(start_time) < SD_TIMEOUT_HIGH) {
+		val = esdhc_in32(&mmc->esdhc_regs->prsstat) &
+			(ESDHC_PRSSTAT_CIHB | ESDHC_PRSSTAT_CDIHB);
+		if (val == 0U) {
+			break;
+		}
+	}
+
+	val = esdhc_in32(&mmc->esdhc_regs->prsstat) &
+		(ESDHC_PRSSTAT_CIHB | ESDHC_PRSSTAT_CDIHB);
+	if (val != 0U) {
+		ERROR("SD send cmd: Command Line or Data Line Busy cmd = %x\n",
+				cmd);
+		return ERROR_ESDHC_BUSY;
+	}
+
+	if (cmd == CMD2 || cmd == CMD9) {
+		xfertyp |= ESDHC_XFERTYP_RSPTYP_136;
+	} else  if (cmd == CMD7 || (cmd == CMD6 && mmc->card.type == MMC_CARD)) {
+		xfertyp |= ESDHC_XFERTYP_RSPTYP_48_BUSY;
+	} else if (cmd != CMD0) {
+		xfertyp |= ESDHC_XFERTYP_RSPTYP_48;
+	}
+
+	if (cmd == CMD2 || cmd == CMD9) {
+		xfertyp |= ESDHC_XFERTYP_CCCEN; /* Command index check enable */
+	} else if ((cmd != CMD0) && (cmd != ACMD41) && (cmd != CMD1)) {
+		xfertyp = xfertyp | ESDHC_XFERTYP_CCCEN | ESDHC_XFERTYP_CICEN;
+	}
+
+	if ((cmd == CMD8 || cmd == CMD14 || cmd == CMD19) &&
+			mmc->card.type == MMC_CARD) {
+		xfertyp |=  ESDHC_XFERTYP_DPSEL;
+		if (cmd != CMD19) {
+			xfertyp |= ESDHC_XFERTYP_DTDSEL;
+		}
+	}
+
+	if (cmd == CMD6 || cmd == CMD17 || cmd == CMD18 || cmd == CMD24 ||
+	    cmd == ACMD51) {
+		if (!(mmc->card.type == MMC_CARD && cmd == CMD6)) {
+			if (cmd == CMD24) {
+				xfertyp |= ESDHC_XFERTYP_DPSEL;
+			} else {
+				xfertyp |= (ESDHC_XFERTYP_DPSEL |
+					    ESDHC_XFERTYP_DTDSEL);
+			}
+		}
+
+		if (cmd == CMD18) {
+			xfertyp |= ESDHC_XFERTYP_BCEN;
+			if (mmc->dma_support != 0) {
+				/* Set BCEN of XFERTYP */
+				xfertyp |= ESDHC_XFERTYP_DMAEN;
+			}
+		}
+
+		if ((cmd == CMD17 || cmd == CMD24) && (mmc->dma_support != 0)) {
+			xfertyp |= ESDHC_XFERTYP_DMAEN;
+		}
+	}
+
+	xfertyp |= ((cmd & 0x3F) << 24);
+	esdhc_out32(&mmc->esdhc_regs->cmdarg, args);
+	esdhc_out32(&mmc->esdhc_regs->xfertyp, xfertyp);
+
+#ifdef NXP_SD_DEBUG
+	INFO("cmd = %d\n", cmd);
+	INFO("args = %x\n", args);
+	INFO("xfertyp: = %x\n", xfertyp);
+#endif
+	return 0;
+}
+
+/***************************************************************************
+ * Function    :    esdhc_wait_response
+ * Arguments   :    mmc - Pointer to mmc struct
+ *                  response - Value updated
+ * Return      :    SUCCESS - Response Received
+ *                  COMMUNICATION_ERROR - Command not Complete
+ *                  COMMAND_ERROR - CIE, CCE or CEBE  error
+ *                  RESP_TIMEOUT - CTOE error
+ * Description :    Checks for successful command completion.
+ *                  Clears the CC bit at the end.
+ ***************************************************************************/
+static int esdhc_wait_response(struct mmc *mmc, uint32_t *response)
+{
+	uint32_t val;
+	uint64_t start_time;
+	uint32_t status = 0U;
+
+	/* Wait for the command to complete */
+	start_time = get_timer_val(0);
+	while (get_timer_val(start_time) < SD_TIMEOUT_HIGH) {
+		val = esdhc_in32(&mmc->esdhc_regs->irqstat) & ESDHC_IRQSTAT_CC;
+		if (val != 0U) {
+			break;
+		}
+	}
+
+	val = esdhc_in32(&mmc->esdhc_regs->irqstat) & ESDHC_IRQSTAT_CC;
+	if (val == 0U) {
+		ERROR("%s:IRQSTAT Cmd not complete(CC not set)\n", __func__);
+		return ERROR_ESDHC_COMMUNICATION_ERROR;
+	}
+
+	status = esdhc_in32(&mmc->esdhc_regs->irqstat);
+
+	/* Check whether the interrupt is a CRC, CTOE or CIE error */
+	if ((status & (ESDHC_IRQSTAT_CIE | ESDHC_IRQSTAT_CEBE |
+				ESDHC_IRQSTAT_CCE)) != 0) {
+		ERROR("%s: IRQSTAT CRC, CEBE or CIE error = %x\n",
+							__func__, status);
+		return COMMAND_ERROR;
+	}
+
+	if ((status & ESDHC_IRQSTAT_CTOE) != 0) {
+		INFO("%s: IRQSTAT CTOE set = %x\n", __func__, status);
+		return RESP_TIMEOUT;
+	}
+
+	if ((status & ESDHC_IRQSTAT_DMAE) != 0) {
+		ERROR("%s: IRQSTAT DMAE set = %x\n", __func__, status);
+		return ERROR_ESDHC_DMA_ERROR;
+	}
+
+	if (response != NULL) {
+		/* Get response values from eSDHC CMDRSPx registers. */
+		response[0] = esdhc_in32(&mmc->esdhc_regs->cmdrsp[0]);
+		response[1] = esdhc_in32(&mmc->esdhc_regs->cmdrsp[1]);
+		response[2] = esdhc_in32(&mmc->esdhc_regs->cmdrsp[2]);
+		response[3] = esdhc_in32(&mmc->esdhc_regs->cmdrsp[3]);
+#ifdef NXP_SD_DEBUG
+		INFO("Resp R1 R2 R3 R4\n");
+		INFO("Resp R1 = %x\n", response[0]);
+		INFO("R2 = %x\n", response[1]);
+		INFO("R3 = %x\n", response[2]);
+		INFO("R4 = %x\n", response[3]);
+		INFO("\n");
+#endif
+	}
+
+	/* Clear the CC bit - w1c */
+	val = esdhc_in32(&mmc->esdhc_regs->irqstat) | ESDHC_IRQSTAT_CC;
+	esdhc_out32(&mmc->esdhc_regs->irqstat, val);
+
+	return 0;
+}
+
+/***************************************************************************
+ * Function    :    mmc_switch_to_high_frquency
+ * Arguments   :    mmc - Pointer to mmc struct
+ * Return      :    SUCCESS or Error Code
+ * Description :    mmc card bellow ver 4.0 does not support high speed
+ *                  freq = 20 MHz
+ *                  Send CMD6 (CMD_SWITCH_FUNC) With args 0x03B90100
+ *                  Send CMD13 (CMD_SEND_STATUS)
+ *                  if SWITCH Error, freq = 26 MHz
+ *                  if no error, freq = 52 MHz
+ ***************************************************************************/
+static int mmc_switch_to_high_frquency(struct mmc *mmc)
+{
+	int error;
+	uint32_t response[4];
+	uint64_t start_time;
+
+	mmc->card.bus_freq = MMC_SS_20MHZ;
+	/* mmc card bellow ver 4.0 does not support high speed */
+	if (mmc->card.version < MMC_CARD_VERSION_4_X) {
+		return 0;
+	}
+
+	/* send switch cmd to change the card to High speed */
+	error = esdhc_send_cmd(mmc, CMD_SWITCH_FUNC, SET_EXT_CSD_HS_TIMING);
+	if (error != 0) {
+		return error;
+	}
+	error = esdhc_wait_response(mmc, response);
+	if (error != 0) {
+		return error;
+	}
+
+	start_time = get_timer_val(0);
+	do {
+		/* check the status for which error */
+		error = esdhc_send_cmd(mmc,
+				CMD_SEND_STATUS, mmc->card.rca << 16);
+		if (error != 0) {
+			return error;
+		}
+
+		error = esdhc_wait_response(mmc, response);
+		if (error != 0) {
+			return error;
+		}
+	} while (((response[0] & SWITCH_ERROR) != 0) &&
+			(get_timer_val(start_time) < SD_TIMEOUT));
+
+	/* Check for the present state of card */
+	if ((response[0] & SWITCH_ERROR) != 0) {
+		mmc->card.bus_freq = MMC_HS_26MHZ;
+	} else {
+		mmc->card.bus_freq = MMC_HS_52MHZ;
+	}
+
+	return 0;
+}
+
+/***************************************************************************
+ * Function    :    esdhc_set_data_attributes
+ * Arguments   :    mmc - Pointer to mmc struct
+ *                  blkcnt
+ *                  blklen
+ * Return      :    SUCCESS or Error Code
+ * Description :    Set block attributes and watermark level register
+ ***************************************************************************/
+static int esdhc_set_data_attributes(struct mmc *mmc, uint32_t *dest_ptr,
+		uint32_t blkcnt, uint32_t blklen)
+{
+	uint32_t val;
+	uint64_t start_time;
+	uint32_t wml;
+	uint32_t wl;
+	uint32_t dst = (uint32_t)((uint64_t)(dest_ptr));
+
+	/* set blkattr when no transactions are executing */
+	start_time = get_timer_val(0);
+	while (get_timer_val(start_time) < SD_TIMEOUT_HIGH) {
+		val = esdhc_in32(&mmc->esdhc_regs->prsstat) & ESDHC_PRSSTAT_DLA;
+		if (val == 0U) {
+			break;
+		}
+	}
+
+	val = esdhc_in32(&mmc->esdhc_regs->prsstat) & ESDHC_PRSSTAT_DLA;
+	if (val != 0U) {
+		ERROR("%s: Data line active.Can't set attribute\n", __func__);
+		return ERROR_ESDHC_COMMUNICATION_ERROR;
+	}
+
+	wml = esdhc_in32(&mmc->esdhc_regs->wml);
+	wml &= ~(ESDHC_WML_WR_BRST_MASK | ESDHC_WML_RD_BRST_MASK |
+			ESDHC_WML_RD_WML_MASK | ESDHC_WML_WR_WML_MASK);
+
+	if ((mmc->dma_support != 0) && (dest_ptr != NULL)) {
+		/* Set burst length to 128 bytes */
+		esdhc_out32(&mmc->esdhc_regs->wml,
+				wml | ESDHC_WML_WR_BRST(BURST_128_BYTES));
+		esdhc_out32(&mmc->esdhc_regs->wml,
+				wml | ESDHC_WML_RD_BRST(BURST_128_BYTES));
+
+		/* Set DMA System Destination Address */
+		esdhc_out32(&mmc->esdhc_regs->dsaddr, dst);
+	} else {
+		wl = (blklen >= BLOCK_LEN_512) ?
+			WML_512_BYTES : ((blklen + 3) / 4);
+		/* Set 'Read Water Mark Level' register */
+		esdhc_out32(&mmc->esdhc_regs->wml, wml | ESDHC_WML_RD_WML(wl));
+	}
+
+	/* Configure block Attributes register */
+	esdhc_out32(&mmc->esdhc_regs->blkattr,
+		ESDHC_BLKATTR_BLKCNT(blkcnt) | ESDHC_BLKATTR_BLKSZE(blklen));
+
+	mmc->block_len = blklen;
+
+	return 0;
+}
+
+/***************************************************************************
+ * Function    :    esdhc_read_data_nodma
+ * Arguments   :    mmc - Pointer to mmc struct
+ *                  dest_ptr - Bufffer where read data is to be copied
+ *                  len - Length of Data to be read
+ * Return      :    SUCCESS or Error Code
+ * Description :    Read data from the sdhc buffer without using DMA
+ *                  and using polling mode
+ ***************************************************************************/
+static int esdhc_read_data_nodma(struct mmc *mmc, void *dest_ptr, uint32_t len)
+{
+	uint32_t i = 0U;
+	uint32_t status;
+	uint32_t num_blocks;
+	uint32_t *dst = (uint32_t *)dest_ptr;
+	uint32_t val;
+	uint64_t start_time;
+
+	num_blocks = len / mmc->block_len;
+
+	while ((num_blocks--) != 0U) {
+
+		start_time = get_timer_val(0);
+		while (get_timer_val(start_time) < SD_TIMEOUT_HIGH) {
+			val = esdhc_in32(&mmc->esdhc_regs->prsstat) &
+				ESDHC_PRSSTAT_BREN;
+			if (val != 0U) {
+				break;
+			}
+		}
+
+		val = esdhc_in32(&mmc->esdhc_regs->prsstat)
+			& ESDHC_PRSSTAT_BREN;
+		if (val == 0U) {
+			return ERROR_ESDHC_COMMUNICATION_ERROR;
+		}
+
+		for (i = 0U, status = esdhc_in32(&mmc->esdhc_regs->irqstat);
+				i < mmc->block_len / 4;    i++, dst++) {
+			/* get data from data port */
+			val = mmio_read_32(
+					(uintptr_t)&mmc->esdhc_regs->datport);
+			esdhc_out32(dst, val);
+			/* Increment destination pointer */
+			status = esdhc_in32(&mmc->esdhc_regs->irqstat);
+		}
+		/* Check whether the interrupt is an DTOE/DCE/DEBE */
+		if ((status & (ESDHC_IRQSTAT_DTOE | ESDHC_IRQSTAT_DCE |
+					ESDHC_IRQSTAT_DEBE)) != 0) {
+			ERROR("SD read error - DTOE, DCE, DEBE bit set = %x\n",
+									status);
+			return ERROR_ESDHC_COMMUNICATION_ERROR;
+		}
+	}
+
+	/* Wait for TC */
+
+	start_time = get_timer_val(0);
+	while (get_timer_val(start_time) < SD_TIMEOUT_HIGH) {
+		val = esdhc_in32(&mmc->esdhc_regs->irqstat) & ESDHC_IRQSTAT_TC;
+		if (val != 0U) {
+			break;
+		}
+	}
+
+	val = esdhc_in32(&mmc->esdhc_regs->irqstat) & ESDHC_IRQSTAT_TC;
+	if (val == 0U) {
+		ERROR("SD read timeout: Transfer bit not set in IRQSTAT\n");
+		return ERROR_ESDHC_COMMUNICATION_ERROR;
+	}
+
+	return 0;
+}
+
+/***************************************************************************
+ * Function    :    esdhc_write_data_nodma
+ * Arguments   :    mmc - Pointer to mmc struct
+ *                  src_ptr - Buffer where data is copied from
+ *                  len - Length of Data to be written
+ * Return      :    SUCCESS or Error Code
+ * Description :    Write data to the sdhc buffer without using DMA
+ *                  and using polling mode
+ ***************************************************************************/
+static int esdhc_write_data_nodma(struct mmc *mmc, void *src_ptr, uint32_t len)
+{
+	uint32_t i = 0U;
+	uint32_t status;
+	uint32_t num_blocks;
+	uint32_t *src = (uint32_t *)src_ptr;
+	uint32_t val;
+	uint64_t start_time;
+
+	num_blocks = len / mmc->block_len;
+
+	while ((num_blocks--) != 0U) {
+		start_time = get_timer_val(0);
+		while (get_timer_val(start_time) < SD_TIMEOUT_HIGH) {
+			val = esdhc_in32(&mmc->esdhc_regs->prsstat) &
+					 ESDHC_PRSSTAT_BWEN;
+			if (val != 0U) {
+				break;
+			}
+		}
+
+		val = esdhc_in32(&mmc->esdhc_regs->prsstat) &
+				 ESDHC_PRSSTAT_BWEN;
+		if (val == 0U) {
+			return ERROR_ESDHC_COMMUNICATION_ERROR;
+		}
+
+		for (i = 0U, status = esdhc_in32(&mmc->esdhc_regs->irqstat);
+		     i < mmc->block_len / 4; i++, src++) {
+			val = esdhc_in32(src);
+			/* put data to data port */
+			mmio_write_32((uintptr_t)&mmc->esdhc_regs->datport,
+				      val);
+			/* Increment source pointer */
+			status = esdhc_in32(&mmc->esdhc_regs->irqstat);
+		}
+		/* Check whether the interrupt is an DTOE/DCE/DEBE */
+		if ((status & (ESDHC_IRQSTAT_DTOE | ESDHC_IRQSTAT_DCE |
+					ESDHC_IRQSTAT_DEBE)) != 0) {
+			ERROR("SD write error - DTOE, DCE, DEBE bit set = %x\n",
+			      status);
+			return ERROR_ESDHC_COMMUNICATION_ERROR;
+		}
+	}
+
+	/* Wait for TC */
+	start_time = get_timer_val(0);
+	while (get_timer_val(start_time) < SD_TIMEOUT_HIGH) {
+		val = esdhc_in32(&mmc->esdhc_regs->irqstat) & ESDHC_IRQSTAT_TC;
+		if (val != 0U) {
+			break;
+		}
+	}
+
+	val = esdhc_in32(&mmc->esdhc_regs->irqstat) & ESDHC_IRQSTAT_TC;
+	if (val == 0U) {
+		ERROR("SD write timeout: Transfer bit not set in IRQSTAT\n");
+		return ERROR_ESDHC_COMMUNICATION_ERROR;
+	}
+
+	return 0;
+}
+
+/***************************************************************************
+ * Function    :    esdhc_read_data_dma
+ * Arguments   :    mmc - Pointer to mmc struct
+ *                  len - Length of Data to be read
+ * Return      :    SUCCESS or Error Code
+ * Description :    Read data from the sd card using DMA.
+ ***************************************************************************/
+static int esdhc_read_data_dma(struct mmc *mmc, uint32_t len)
+{
+	uint32_t status;
+	uint32_t tblk;
+	uint64_t start_time;
+
+	tblk = SD_BLOCK_TIMEOUT * (len / mmc->block_len);
+
+	start_time = get_timer_val(0);
+
+	/* poll till TC is set */
+	do {
+		status = esdhc_in32(&mmc->esdhc_regs->irqstat);
+
+		if ((status & (ESDHC_IRQSTAT_DEBE | ESDHC_IRQSTAT_DCE
+					| ESDHC_IRQSTAT_DTOE)) != 0) {
+			ERROR("SD read error - DTOE, DCE, DEBE bit set = %x\n",
+								 status);
+			return ERROR_ESDHC_COMMUNICATION_ERROR;
+		}
+
+		if ((status & ESDHC_IRQSTAT_DMAE) != 0) {
+			ERROR("SD read error - DMA error = %x\n", status);
+			return ERROR_ESDHC_DMA_ERROR;
+		}
+
+	} while (((status & ESDHC_IRQSTAT_TC) == 0) &&
+		((esdhc_in32(&mmc->esdhc_regs->prsstat) & ESDHC_PRSSTAT_DLA) != 0) &&
+		(get_timer_val(start_time) < SD_TIMEOUT_HIGH + tblk));
+
+	if (get_timer_val(start_time) > SD_TIMEOUT_HIGH + tblk) {
+		ERROR("SD read DMA timeout\n");
+		return ERROR_ESDHC_COMMUNICATION_ERROR;
+	}
+
+	return 0;
+}
+
+/***************************************************************************
+ * Function    :    esdhc_write_data_dma
+ * Arguments   :    mmc - Pointer to mmc struct
+ *                  len - Length of Data to be written
+ * Return      :    SUCCESS or Error Code
+ * Description :    Write data to the sd card using DMA.
+ ***************************************************************************/
+static int esdhc_write_data_dma(struct mmc *mmc, uint32_t len)
+{
+	uint32_t status;
+	uint32_t tblk;
+	uint64_t start_time;
+
+	tblk = SD_BLOCK_TIMEOUT * (len / mmc->block_len);
+
+	start_time = get_timer_val(0);
+
+	/* poll till TC is set */
+	do {
+		status = esdhc_in32(&mmc->esdhc_regs->irqstat);
+
+		if ((status & (ESDHC_IRQSTAT_DEBE | ESDHC_IRQSTAT_DCE
+					| ESDHC_IRQSTAT_DTOE)) != 0) {
+			ERROR("SD write error - DTOE, DCE, DEBE bit set = %x\n",
+			      status);
+			return ERROR_ESDHC_COMMUNICATION_ERROR;
+		}
+
+		if ((status & ESDHC_IRQSTAT_DMAE) != 0) {
+			ERROR("SD write error - DMA error = %x\n", status);
+			return ERROR_ESDHC_DMA_ERROR;
+		}
+	} while (((status & ESDHC_IRQSTAT_TC) == 0) &&
+		((esdhc_in32(&mmc->esdhc_regs->prsstat) & ESDHC_PRSSTAT_DLA) != 0) &&
+		(get_timer_val(start_time) < SD_TIMEOUT_HIGH + tblk));
+
+	if (get_timer_val(start_time) > SD_TIMEOUT_HIGH + tblk) {
+		ERROR("SD write DMA timeout\n");
+		return ERROR_ESDHC_COMMUNICATION_ERROR;
+	}
+
+	return 0;
+}
+
+/***************************************************************************
+ * Function    :    esdhc_read_data
+ * Arguments   :    mmc - Pointer to mmc struct
+ *                  dest_ptr - Bufffer where read data is to be copied
+ *                  len - Length of Data to be read
+ * Return      :    SUCCESS or Error Code
+ * Description :    Calls esdhc_read_data_nodma and clear interrupt status
+ ***************************************************************************/
+int esdhc_read_data(struct mmc *mmc, void *dest_ptr, uint32_t len)
+{
+	int ret;
+
+	if (mmc->dma_support && len > 64) {
+		ret = esdhc_read_data_dma(mmc, len);
+	} else {
+		ret = esdhc_read_data_nodma(mmc, dest_ptr, len);
+	}
+
+	/* clear interrupt status */
+	esdhc_out32(&mmc->esdhc_regs->irqstat, ESDHC_IRQSTAT_CLEAR_ALL);
+
+	return ret;
+}
+
+/***************************************************************************
+ * Function    :    esdhc_write_data
+ * Arguments   :    mmc - Pointer to mmc struct
+ *                  src_ptr - Buffer where data is copied from
+ *                  len - Length of Data to be written
+ * Return      :    SUCCESS or Error Code
+ * Description :    Calls esdhc_write_data_nodma and clear interrupt status
+ ***************************************************************************/
+int esdhc_write_data(struct mmc *mmc, void *src_ptr, uint32_t len)
+{
+	int ret;
+
+	if (mmc->dma_support && len > 64) {
+		ret = esdhc_write_data_dma(mmc, len);
+	} else {
+		ret = esdhc_write_data_nodma(mmc, src_ptr, len);
+	}
+
+	/* clear interrupt status */
+	esdhc_out32(&mmc->esdhc_regs->irqstat, ESDHC_IRQSTAT_CLEAR_ALL);
+
+	return ret;
+}
+
+/***************************************************************************
+ * Function    :    sd_switch_to_high_freq
+ * Arguments   :    mmc - Pointer to mmc struct
+ * Return      :    SUCCESS or Error Code
+ * Description :    1. Send ACMD51 (CMD_SEND_SCR)
+ *                  2. Read the SCR to check if card supports higher freq
+ *                  3. check version from SCR
+ *                  4. If SD 1.0, return (no Switch) freq = 25 MHz.
+ *                  5. Send CMD6 (CMD_SWITCH_FUNC) with args 0x00FFFFF1 to
+ *                     check the status of switch func
+ *                  6. Send CMD6 (CMD_SWITCH_FUNC) With args 0x80FFFFF1 to
+ *                     switch to high frequency = 50 Mhz
+ ***************************************************************************/
+static int sd_switch_to_high_freq(struct mmc *mmc)
+{
+	int err;
+	uint8_t scr[8];
+	uint8_t status[64];
+	uint32_t response[4];
+	uint32_t version;
+	uint32_t count;
+	uint32_t sd_versions[] = {SD_CARD_VERSION_1_0, SD_CARD_VERSION_1_10,
+		SD_CARD_VERSION_2_0};
+
+	mmc->card.bus_freq = SD_SS_25MHZ;
+	/* Send Application command */
+	err = esdhc_send_cmd(mmc, CMD_APP_CMD, mmc->card.rca << 16);
+	if (err != 0) {
+		return err;
+	}
+
+	err = esdhc_wait_response(mmc, response);
+	if (err != 0) {
+		return err;
+	}
+
+	esdhc_set_data_attributes(mmc, NULL, 1, 8);
+	/* Read the SCR to find out if this card supports higher speeds */
+	err = esdhc_send_cmd(mmc, CMD_SEND_SCR,  mmc->card.rca << 16);
+	if (err != 0) {
+		return err;
+	}
+	err = esdhc_wait_response(mmc, response);
+	if (err != 0) {
+		return err;
+	}
+
+	/* read 8 bytes of scr data */
+	err = esdhc_read_data(mmc, scr, 8U);
+	if (err != 0) {
+		return ERROR_ESDHC_COMMUNICATION_ERROR;
+	}
+
+	/* check version from SCR */
+	version = scr[0] & U(0xF);
+	if (version <= 2U) {
+		mmc->card.version = sd_versions[version];
+	} else {
+		mmc->card.version = SD_CARD_VERSION_2_0;
+	}
+
+	/* does not support switch func */
+	if (mmc->card.version == SD_CARD_VERSION_1_0) {
+		return 0;
+	}
+
+	/* read 64 bytes of status */
+	esdhc_set_data_attributes(mmc, NULL, 1U, 64U);
+
+	/* check the status of switch func */
+	for (count = 0U; count < 4U; count++) {
+		err = esdhc_send_cmd(mmc, CMD_SWITCH_FUNC,
+				SD_SWITCH_FUNC_CHECK_MODE);
+		if (err != 0) {
+			return err;
+		}
+		err = esdhc_wait_response(mmc, response);
+		if (err != 0) {
+			return err;
+		}
+		/* read 64 bytes of scr data */
+		err = esdhc_read_data(mmc, status, 64U);
+		if (err != 0) {
+			return ERROR_ESDHC_COMMUNICATION_ERROR;
+		}
+
+		if ((status[29] & SD_SWITCH_FUNC_HIGH_SPEED) == 0) {
+			break;
+		}
+	}
+
+	if ((status[13] & SD_SWITCH_FUNC_HIGH_SPEED) == 0) {
+		return 0;
+	}
+
+	/* SWITCH */
+	esdhc_set_data_attributes(mmc, NULL, 1, 64);
+	err = esdhc_send_cmd(mmc, CMD_SWITCH_FUNC, SD_SWITCH_FUNC_SWITCH_MODE);
+	if (err != 0) {
+		return err;
+	}
+	err = esdhc_wait_response(mmc, response);
+	if (err != 0) {
+		return err;
+	}
+
+	err = esdhc_read_data(mmc, status, 64U);
+	if (err != 0) {
+		return ERROR_ESDHC_COMMUNICATION_ERROR;
+	}
+
+	if ((status[16]) == U(0x01)) {
+		mmc->card.bus_freq = SD_HS_50MHZ;
+	}
+
+	return 0;
+}
+
+/***************************************************************************
+ * Function    :    change_state_to_transfer_state
+ * Arguments   :    mmc - Pointer to mmc struct
+ * Return      :    SUCCESS or Error Code
+ * Description :    1. Send CMD7 (CMD_SELECT_CARD) to toggles the card
+ *                     between stand-by and transfer state
+ *                  2. Send CMD13 (CMD_SEND_STATUS) to check state as
+ *                     Transfer State
+ ***************************************************************************/
+static int change_state_to_transfer_state(struct mmc *mmc)
+{
+	int error = 0;
+	uint32_t response[4];
+	uint64_t start_time;
+
+	/* Command CMD_SELECT_CARD/CMD7 toggles the card between stand-by
+	 * and transfer states
+	 */
+	error = esdhc_send_cmd(mmc, CMD_SELECT_CARD, mmc->card.rca << 16);
+	if (error != 0) {
+		return error;
+	}
+	error = esdhc_wait_response(mmc, response);
+	if (error != 0) {
+		return error;
+	}
+
+	start_time = get_timer_val(0);
+	while (get_timer_val(start_time) < SD_TIMEOUT_HIGH) {
+		/* send CMD13 to check card status */
+		error = esdhc_send_cmd(mmc,
+					CMD_SEND_STATUS, mmc->card.rca << 16);
+		if (error != 0) {
+			return error;
+		}
+		error = esdhc_wait_response(mmc, response);
+		if ((error != 0) || ((response[0] & R1_ERROR) != 0)) {
+			return error;
+		}
+
+		/* Check for the present state of card */
+		if (((response[0] >> 9U) & U(0xF)) == STATE_TRAN) {
+			break;
+		}
+	}
+	if (((response[0] >> 9U) & U(0xF)) == STATE_TRAN) {
+		return 0;
+	} else {
+		return ERROR_ESDHC_COMMUNICATION_ERROR;
+	}
+}
+
+/***************************************************************************
+ * Function    :    get_cid_rca_csd
+ * Arguments   :    mmc - Pointer to mmc struct
+ * Return      :    SUCCESS or Error Code
+ * Description :    1. Send CMD2 (CMD_ALL_SEND_CID)
+ *                  2. get RCA for SD cards, set rca for mmc cards
+ *                     Send CMD3 (CMD_SEND_RELATIVE_ADDR)
+ *                  3. Send CMD9 (CMD_SEND_CSD)
+ *                  4. Get MMC Version from CSD
+ ***************************************************************************/
+static int get_cid_rca_csd(struct mmc *mmc)
+{
+	int err;
+	uint32_t version;
+	uint32_t response[4];
+	uint32_t mmc_version[] = {MMC_CARD_VERSION_1_2, MMC_CARD_VERSION_1_4,
+		MMC_CARD_VERSION_2_X, MMC_CARD_VERSION_3_X,
+		MMC_CARD_VERSION_4_X};
+
+	err = esdhc_send_cmd(mmc, CMD_ALL_SEND_CID, 0);
+	if (err != 0) {
+		return err;
+	}
+	err = esdhc_wait_response(mmc, response);
+	if (err != 0) {
+		return err;
+	}
+
+	/* get RCA for SD cards, set rca for mmc cards */
+	mmc->card.rca = SD_MMC_CARD_RCA;
+
+	/* send RCA cmd */
+	err = esdhc_send_cmd(mmc, CMD_SEND_RELATIVE_ADDR, mmc->card.rca << 16);
+	if (err != 0) {
+		return err;
+	}
+	err = esdhc_wait_response(mmc, response);
+	if (err != 0) {
+		return err;
+	}
+
+	/* for SD, get the the RCA */
+	if (mmc->card.type == SD_CARD) {
+		mmc->card.rca = (response[0] >> 16) & 0xFFFF;
+	}
+
+	/* Get the CSD (card specific data) from card. */
+	err = esdhc_send_cmd(mmc, CMD_SEND_CSD, mmc->card.rca << 16);
+	if (err != 0) {
+		return err;
+	}
+	err = esdhc_wait_response(mmc, response);
+	if (err != 0) {
+		return err;
+	}
+
+	version = (response[3] >> 18U) & U(0xF);
+	if (mmc->card.type == MMC_CARD) {
+		if (version <= MMC_CARD_VERSION_4_X) {
+			mmc->card.version = mmc_version[version];
+		} else {
+			mmc->card.version = MMC_CARD_VERSION_4_X;
+		}
+	}
+
+	mmc->card.block_len = 1 << ((response[2] >> 8) & 0xF);
+
+	if (mmc->card.block_len > BLOCK_LEN_512) {
+		mmc->card.block_len = BLOCK_LEN_512;
+	}
+
+	return 0;
+}
+
+/***************************************************************************
+ * Function    :    identify_mmc_card
+ * Arguments   :    mmc - Pointer to mmc struct
+ * Return      :    SUCCESS or Error Code
+ * Description :    1. Send Reset Command
+ *                  2. Send CMD1 with args to set voltage range and Sector
+ *                     Mode. (Voltage Args = 0xFF8)
+ *                  3. Check the OCR Response
+ ***************************************************************************/
+static int identify_mmc_card(struct mmc *mmc)
+{
+	uint64_t start_time;
+	uint32_t resp[4];
+	int ret;
+	uint32_t args;
+
+	/* card reset */
+	ret = esdhc_send_cmd(mmc, CMD_GO_IDLE_STATE, 0U);
+	if (ret != 0) {
+		return ret;
+	}
+	ret = esdhc_wait_response(mmc, resp);
+	if (ret != 0) {
+		return ret;
+	}
+
+	/* Send CMD1 to get the ocr value repeatedly till the card */
+	/* busy is clear. timeout = 20sec */
+
+	start_time = get_timer_val(0);
+	do {
+		/* set the bits for the voltage ranges supported by host */
+		args = mmc->voltages_caps | MMC_OCR_SECTOR_MODE;
+		ret = esdhc_send_cmd(mmc, CMD_MMC_SEND_OP_COND, args);
+		if (ret != 0) {
+			return ret;
+		}
+		ret = esdhc_wait_response(mmc, resp);
+		if (ret != 0) {
+			return ERROR_ESDHC_UNUSABLE_CARD;
+		}
+	} while (((resp[0] & MMC_OCR_BUSY) == 0U) &&
+			(get_timer_val(start_time) < SD_TIMEOUT_HIGH));
+
+	if (get_timer_val(start_time) > SD_TIMEOUT_HIGH) {
+		return ERROR_ESDHC_UNUSABLE_CARD;
+	}
+
+	if ((resp[0] & MMC_OCR_CCS) == MMC_OCR_CCS) {
+		mmc->card.is_high_capacity = 1;
+	}
+
+	return MMC_CARD;
+}
+
+/***************************************************************************
+ * Function    :    check_for_sd_card
+ * Arguments   :    mmc - Pointer to mmc struct
+ * Return      :    SUCCESS or Error Code
+ * Description :    1. Send Reset Command
+ *                  2. Send CMD8 with pattern 0xAA (to check for SD 2.0)
+ *                  3. Send ACMD41 with args to set voltage range and HCS
+ *                     HCS is set only for SD Card > 2.0
+ *                     Voltage Caps = 0xFF8
+ *                  4. Check the OCR Response
+ ***************************************************************************/
+static int check_for_sd_card(struct mmc *mmc)
+{
+	uint64_t start_time;
+	uint32_t args;
+	int  ret;
+	uint32_t resp[4];
+
+	/* Send reset command */
+	ret = esdhc_send_cmd(mmc, CMD_GO_IDLE_STATE, 0U);
+	if (ret != 0) {
+		return ret;
+	}
+	ret = esdhc_wait_response(mmc, resp);
+	if (ret != 0) {
+		return ret;
+	}
+
+	/* send CMD8 with  pattern 0xAA */
+	args = MMC_VDD_HIGH_VOLTAGE | 0xAA;
+	ret = esdhc_send_cmd(mmc, CMD_SEND_IF_COND, args);
+	if (ret != 0) {
+		return ret;
+	}
+	ret = esdhc_wait_response(mmc, resp);
+	if (ret == RESP_TIMEOUT) { /* sd ver 1.x or not sd */
+		mmc->card.is_high_capacity = 0;
+	} else if ((resp[0] & U(0xFF)) == U(0xAA)) { /* ver 2.0 or later */
+		mmc->card.version = SD_CARD_VERSION_2_0;
+	} else {
+		return  NOT_SD_CARD;
+	}
+	/* Send Application command-55 to get the ocr value repeatedly till
+	 * the card busy is clear. timeout = 20sec
+	 */
+
+	start_time = get_timer_val(0);
+	do {
+		ret = esdhc_send_cmd(mmc, CMD_APP_CMD, 0U);
+		if (ret != 0) {
+			return ret;
+		}
+		ret = esdhc_wait_response(mmc, resp);
+		if (ret == COMMAND_ERROR) {
+			return ERROR_ESDHC_UNUSABLE_CARD;
+		}
+
+		/* set the bits for the voltage ranges supported by host */
+		args = mmc->voltages_caps;
+		if (mmc->card.version == SD_CARD_VERSION_2_0) {
+			args |= SD_OCR_HCS;
+		}
+
+		/* Send ACMD41 to set voltage range */
+		ret = esdhc_send_cmd(mmc, CMD_SD_SEND_OP_COND, args);
+		if (ret != 0) {
+			return ret;
+		}
+		ret = esdhc_wait_response(mmc, resp);
+		if (ret == COMMAND_ERROR) {
+			return ERROR_ESDHC_UNUSABLE_CARD;
+		} else if (ret == RESP_TIMEOUT) {
+			return NOT_SD_CARD;
+		}
+	} while (((resp[0] & MMC_OCR_BUSY) == 0U) &&
+			(get_timer_val(start_time) < SD_TIMEOUT_HIGH));
+
+	if (get_timer_val(start_time) > SD_TIMEOUT_HIGH) {
+		INFO("SD_TIMEOUT_HIGH\n");
+		return ERROR_ESDHC_UNUSABLE_CARD;
+	}
+
+	/* bit set in card capacity status */
+	if ((resp[0] & MMC_OCR_CCS) == MMC_OCR_CCS) {
+		mmc->card.is_high_capacity = 1;
+	}
+
+	return SD_CARD;
+}
+
+/***************************************************************************
+ * Function    :    esdhc_emmc_init
+ * Arguments   :    mmc - Pointer to mmc struct
+ *                  src_emmc - Flag to Indicate SRC as emmc
+ * Return      :    SUCCESS or Error Code (< 0)
+ * Description :    Base Function called from sd_mmc_init or emmc_init
+ ***************************************************************************/
+int esdhc_emmc_init(struct mmc *mmc, bool card_detect)
+{
+	int error = 0;
+	int ret = 0;
+
+	error = esdhc_init(mmc, card_detect);
+	if (error != 0) {
+		return error;
+	}
+
+	mmc->card.bus_freq = CARD_IDENTIFICATION_FREQ;
+	mmc->card.rca = 0;
+	mmc->card.is_high_capacity = 0;
+	mmc->card.type = ERROR_ESDHC_UNUSABLE_CARD;
+
+	/* Set Voltage caps as FF8 i.e all supported */
+	/* high voltage bits 2.7 - 3.6 */
+	mmc->voltages_caps = MMC_OCR_VDD_FF8;
+
+#ifdef NXP_SD_DMA_CAPABILITY
+	/* Getting host DMA capabilities. */
+	mmc->dma_support = esdhc_in32(&mmc->esdhc_regs->hostcapblt) &
+					ESDHC_HOSTCAPBLT_DMAS;
+#else
+	mmc->dma_support = 0;
+#endif
+
+	ret = NOT_SD_CARD;
+	/* If SRC is not EMMC, check for SD or MMC */
+	ret = check_for_sd_card(mmc);
+	switch (ret) {
+	case SD_CARD:
+		mmc->card.type = SD_CARD;
+		break;
+
+	case NOT_SD_CARD:
+		/* try for MMC card */
+		if (identify_mmc_card(mmc) == MMC_CARD) {
+			mmc->card.type = MMC_CARD;
+		} else {
+			return ERROR_ESDHC_UNUSABLE_CARD;
+		}
+		break;
+
+	default:
+		return ERROR_ESDHC_UNUSABLE_CARD;
+	}
+
+	/* get CID, RCA and CSD. For MMC, set the rca */
+	error = get_cid_rca_csd(mmc);
+	if (error != 0) {
+		return ERROR_ESDHC_COMMUNICATION_ERROR;
+	}
+
+	/* change state to Transfer mode */
+	error = change_state_to_transfer_state(mmc);
+	if (error != 0) {
+		return ERROR_ESDHC_COMMUNICATION_ERROR;
+	}
+
+	/* change to high frequency if supported */
+	if (mmc->card.type == SD_CARD) {
+		error = sd_switch_to_high_freq(mmc);
+	} else {
+		error = mmc_switch_to_high_frquency(mmc);
+	}
+	if (error != 0) {
+		return ERROR_ESDHC_COMMUNICATION_ERROR;
+	}
+
+	/* mmc: 20000000, 26000000, 52000000 */
+	/* sd: 25000000, 50000000 */
+	set_speed(mmc, mmc->card.bus_freq);
+
+	INFO("init done:\n");
+	return 0;
+}
+
+/***************************************************************************
+ * Function    :    sd_mmc_init
+ * Arguments   :    mmc - Pointer to mmc struct
+ * Return      :    SUCCESS or Error Code
+ * Description :    Base Function called via hal_init for SD/MMC
+ *                  initialization
+ ***************************************************************************/
+int sd_mmc_init(uintptr_t nxp_esdhc_addr, bool card_detect)
+{
+	struct mmc *mmc = NULL;
+	int ret;
+
+	mmc = &mmc_drv_data;
+	memset(mmc, 0, sizeof(struct mmc));
+	mmc->esdhc_regs = (struct esdhc_regs *)nxp_esdhc_addr;
+
+	INFO("esdhc_emmc_init\n");
+	ret = esdhc_emmc_init(mmc, card_detect);
+	return ret;
+}
+
+/***************************************************************************
+ * Function    :    esdhc_read_block
+ * Arguments   :    mmc - Pointer to mmc struct
+ *                  dst - Destination Pointer
+ *                  block - Block Number
+ * Return      :    SUCCESS or Error Code
+ * Description :    Read a Single block to Destination Pointer
+ *                  1. Send CMD16 (CMD_SET_BLOCKLEN) with args as blocklen
+ *                  2. Send CMD17 (CMD_READ_SINGLE_BLOCK) with args offset
+ ***************************************************************************/
+static int esdhc_read_block(struct mmc *mmc, void *dst, uint32_t block)
+{
+	uint32_t offset;
+	int err;
+
+	/* send cmd16 to set the block size. */
+	err = esdhc_send_cmd(mmc, CMD_SET_BLOCKLEN, mmc->card.block_len);
+	if (err != 0) {
+		return err;
+	}
+	err = esdhc_wait_response(mmc, NULL);
+	if (err != 0) {
+		return ERROR_ESDHC_COMMUNICATION_ERROR;
+	}
+
+	if (mmc->card.is_high_capacity != 0) {
+		offset = block;
+	} else {
+		offset = block * mmc->card.block_len;
+	}
+
+	esdhc_set_data_attributes(mmc, dst, 1, mmc->card.block_len);
+	err = esdhc_send_cmd(mmc, CMD_READ_SINGLE_BLOCK, offset);
+	if (err != 0) {
+		return err;
+	}
+	err = esdhc_wait_response(mmc, NULL);
+	if (err != 0) {
+		return err;
+	}
+
+	err = esdhc_read_data(mmc, dst, mmc->card.block_len);
+
+	return err;
+}
+
+/***************************************************************************
+ * Function    :    esdhc_write_block
+ * Arguments   :    mmc - Pointer to mmc struct
+ *                  src - Source Pointer
+ *                  block - Block Number
+ * Return      :    SUCCESS or Error Code
+ * Description :    Write a Single block from Source Pointer
+ *                  1. Send CMD16 (CMD_SET_BLOCKLEN) with args as blocklen
+ *                  2. Send CMD24 (CMD_WRITE_SINGLE_BLOCK) with args offset
+ ***************************************************************************/
+static int esdhc_write_block(struct mmc *mmc, void *src, uint32_t block)
+{
+	uint32_t offset;
+	int err;
+
+	/* send cmd16 to set the block size. */
+	err = esdhc_send_cmd(mmc, CMD_SET_BLOCKLEN, mmc->card.block_len);
+	if (err != 0) {
+		return err;
+	}
+	err = esdhc_wait_response(mmc, NULL);
+	if (err != 0) {
+		return ERROR_ESDHC_COMMUNICATION_ERROR;
+	}
+
+	if (mmc->card.is_high_capacity != 0) {
+		offset = block;
+	} else {
+		offset = block * mmc->card.block_len;
+	}
+
+	esdhc_set_data_attributes(mmc, src, 1, mmc->card.block_len);
+	err = esdhc_send_cmd(mmc, CMD_WRITE_SINGLE_BLOCK, offset);
+	if (err != 0) {
+		return err;
+	}
+	err = esdhc_wait_response(mmc, NULL);
+	if (err != 0) {
+		return err;
+	}
+
+	err = esdhc_write_data(mmc, src, mmc->card.block_len);
+
+	return err;
+}
+
+/***************************************************************************
+ * Function    :    esdhc_read
+ * Arguments   :    src_offset - offset on sd/mmc to read from. Should be block
+ *		    size aligned
+ *                  dst - Destination Pointer
+ *                  size - Length of Data ( Multiple of block size)
+ * Return      :    SUCCESS or Error Code
+ * Description :    Calls esdhc_read_block repeatedly for reading the
+ *                  data.
+ ***************************************************************************/
+int esdhc_read(struct mmc *mmc, uint32_t src_offset, uintptr_t dst, size_t size)
+{
+	int error = 0;
+	uint32_t blk, num_blocks;
+	uint8_t *buff = (uint8_t *)dst;
+
+#ifdef NXP_SD_DEBUG
+	INFO("sd mmc read\n");
+	INFO("src = %x, dst = %lxsize = %lu\n", src_offset, dst, size);
+#endif
+
+	/* check for size */
+	if (size == 0) {
+		return 0;
+	}
+
+	if ((size % mmc->card.block_len) != 0) {
+		ERROR("Size is not block aligned\n");
+		return -1;
+	}
+
+	if ((src_offset % mmc->card.block_len) != 0) {
+		ERROR("Size is not block aligned\n");
+		return -1;
+	}
+
+	/* start block */
+	blk = src_offset / mmc->card.block_len;
+#ifdef NXP_SD_DEBUG
+	INFO("blk = %x\n", blk);
+#endif
+
+	/* Number of blocks to be read */
+	num_blocks = size / mmc->card.block_len;
+
+	while (num_blocks) {
+		error = esdhc_read_block(mmc, buff, blk);
+		if (error != 0) {
+			ERROR("Read error = %x\n", error);
+			return error;
+		}
+
+		buff = buff + mmc->card.block_len;
+		blk++;
+		num_blocks--;
+	}
+
+	INFO("sd-mmc read done.\n");
+	return error;
+}
+
+/***************************************************************************
+ * Function    :    esdhc_write
+ * Arguments   :    src - Source Pointer
+ *                  dst_offset - offset on sd/mmc to write to. Should be block
+ *		    size aligned
+ *                  size - Length of Data (Multiple of block size)
+ * Return      :    SUCCESS or Error Code
+ * Description :    Calls esdhc_write_block repeatedly for writing the
+ *                  data.
+ ***************************************************************************/
+int esdhc_write(struct mmc *mmc, uintptr_t src, uint32_t dst_offset,
+		size_t size)
+{
+	int error = 0;
+	uint32_t blk, num_blocks;
+	uint8_t *buff = (uint8_t *)src;
+
+#ifdef NXP_SD_DEBUG
+	INFO("sd mmc write\n");
+	INFO("src = %x, dst = %lxsize = %lu\n", src, dst_offset, size);
+#endif
+
+	/* check for size */
+	if (size == 0) {
+		return 0;
+	}
+
+	if ((size % mmc->card.block_len) != 0) {
+		ERROR("Size is not block aligned\n");
+		return -1;
+	}
+
+	if ((dst_offset % mmc->card.block_len) != 0) {
+		ERROR("Size is not block aligned\n");
+		return -1;
+	}
+
+	/* start block */
+	blk = dst_offset / mmc->card.block_len;
+#ifdef NXP_SD_DEBUG
+	INFO("blk = %x\n", blk);
+#endif
+
+	/* Number of blocks to be written */
+	num_blocks = size / mmc->card.block_len;
+
+	while (num_blocks != 0U) {
+		error = esdhc_write_block(mmc, buff, blk);
+		if (error != 0U) {
+			ERROR("Write error = %x\n", error);
+			return error;
+		}
+
+		buff = buff + mmc->card.block_len;
+		blk++;
+		num_blocks--;
+	}
+
+	INFO("sd-mmc write done.\n");
+	return error;
+}
+
+static size_t ls_sd_emmc_read(int lba, uintptr_t buf, size_t size)
+{
+	struct mmc *mmc = NULL;
+	int ret;
+
+	mmc = &mmc_drv_data;
+	lba *= BLOCK_LEN_512;
+	ret = esdhc_read(mmc, lba, buf, size);
+	return ret ? 0 : size;
+}
+
+static struct io_block_dev_spec ls_emmc_dev_spec = {
+	.buffer = {
+		.offset = 0,
+		.length = 0,
+	},
+	.ops = {
+		.read = ls_sd_emmc_read,
+	},
+	.block_size = BLOCK_LEN_512,
+};
+
+int sd_emmc_init(uintptr_t *block_dev_spec,
+			uintptr_t nxp_esdhc_addr,
+			size_t nxp_sd_block_offset,
+			size_t nxp_sd_block_size,
+			bool card_detect)
+{
+	int ret;
+
+	ret = sd_mmc_init(nxp_esdhc_addr, card_detect);
+	if (ret != 0) {
+		return ret;
+	}
+
+	ls_emmc_dev_spec.buffer.offset = nxp_sd_block_offset;
+	ls_emmc_dev_spec.buffer.length = nxp_sd_block_size;
+	*block_dev_spec = (uintptr_t)&ls_emmc_dev_spec;
+
+	return 0;
+}

drivers/nxp/sd/sd_mmc.h

+/*
+ * Copyright (c) 2015, 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef SD_MMC_H
+#define SD_MMC_H
+
+#include <lib/mmio.h>
+
+/* operating freq */
+#define CARD_IDENTIFICATION_FREQ	400000
+#define SD_SS_25MHZ	20000000
+#define SD_HS_50MHZ	40000000
+#define MMC_SS_20MHZ	15000000
+#define MMC_HS_26MHZ	20000000
+#define MMC_HS_52MHZ	40000000
+
+/* Need to check this value ? */
+#define MAX_PLATFORM_CLOCK	800000000
+
+/* eSDHC system control register defines */
+#define ESDHC_SYSCTL_DTOCV(t)		(((t) & 0xF) << 16)
+#define ESDHC_SYSCTL_SDCLKFS(f)		(((f) & 0xFF) << 8)
+#define ESDHC_SYSCTL_DVS(d)		(((d) & 0xF) << 4)
+#define ESDHC_SYSCTL_SDCLKEN		(0x00000008)
+#define ESDHC_SYSCTL_RSTA		(0x01000000)
+
+/* Data timeout counter value. SDHC_CLK x 227 */
+#define TIMEOUT_COUNTER_SDCLK_2_27	0xE
+#define ESDHC_SYSCTL_INITA	0x08000000
+
+/* eSDHC interrupt status enable register defines */
+#define ESDHC_IRQSTATEN_CINS	0x00000040
+#define ESDHC_IRQSTATEN_BWR	0x00000010
+
+/* eSDHC interrupt status register defines */
+#define ESDHC_IRQSTAT_DMAE	(0x10000000)
+#define ESDHC_IRQSTAT_AC12E	(0x01000000)
+#define ESDHC_IRQSTAT_DEBE	(0x00400000)
+#define ESDHC_IRQSTAT_DCE	(0x00200000)
+#define ESDHC_IRQSTAT_DTOE	(0x00100000)
+#define ESDHC_IRQSTAT_CIE	(0x00080000)
+#define ESDHC_IRQSTAT_CEBE	(0x00040000)
+#define ESDHC_IRQSTAT_CCE	(0x00020000)
+#define ESDHC_IRQSTAT_CTOE	(0x00010000)
+#define ESDHC_IRQSTAT_CINT	(0x00000100)
+#define ESDHC_IRQSTAT_CRM	(0x00000080)
+#define ESDHC_IRQSTAT_CINS	(0x00000040)
+#define ESDHC_IRQSTAT_BRR	(0x00000020)
+#define ESDHC_IRQSTAT_BWR	(0x00000010)
+#define ESDHC_IRQSTAT_DINT	(0x00000008)
+#define ESDHC_IRQSTAT_BGE	(0x00000004)
+#define ESDHC_IRQSTAT_TC	(0x00000002)
+#define ESDHC_IRQSTAT_CC	(0x00000001)
+#define ESDHC_IRQSTAT_CMD_ERR	(ESDHC_IRQSTAT_CIE |\
+			ESDHC_IRQSTAT_CEBE |\
+			ESDHC_IRQSTAT_CCE)
+#define ESDHC_IRQSTAT_DATA_ERR	(ESDHC_IRQSTAT_DEBE |\
+			ESDHC_IRQSTAT_DCE |\
+			ESDHC_IRQSTAT_DTOE)
+#define ESDHC_IRQSTAT_CLEAR_ALL	(0xFFFFFFFF)
+
+/* eSDHC present state register defines */
+#define ESDHC_PRSSTAT_CLSL	0x00800000
+#define ESDHC_PRSSTAT_WPSPL	0x00080000
+#define ESDHC_PRSSTAT_CDPL	0x00040000
+#define ESDHC_PRSSTAT_CINS	0x00010000
+#define ESDHC_PRSSTAT_BREN	0x00000800
+#define ESDHC_PRSSTAT_BWEN	0x00000400
+#define ESDHC_PRSSTAT_RTA	0x00000200
+#define ESDHC_PRSSTAT_WTA	0x00000100
+#define ESDHC_PRSSTAT_SDOFF	0x00000080
+#define ESDHC_PRSSTAT_PEROFF	0x00000040
+#define ESDHC_PRSSTAT_HCKOFF	0x00000020
+#define ESDHC_PRSSTAT_IPGOFF	0x00000010
+#define ESDHC_PRSSTAT_DLA	0x00000004
+#define ESDHC_PRSSTAT_CDIHB	0x00000002
+#define ESDHC_PRSSTAT_CIHB	0x00000001
+
+/* eSDHC protocol control register defines */
+#define ESDHC_PROCTL_EMODE_LE	0x00000020
+#define ESDHC_PROCTL_DTW_1BIT	0x00000000
+#define ESDHC_PROCTL_DTW_4BIT	0x00000002
+#define ESDHC_PROCTL_DTW_8BIT	0x00000004
+
+/* Watermark Level Register (WML) */
+#define ESDHC_WML_RD_WML(w)	((w) & 0x7F)
+#define ESDHC_WML_WR_WML(w)	(((w) & 0x7F) << 16)
+#define ESDHC_WML_RD_BRST(w)	(((w) & 0xF) << 8)
+#define ESDHC_WML_WR_BRST(w)	(((w) & 0xF) << 24)
+#define ESDHC_WML_WR_BRST_MASK	(0x0F000000)
+#define ESDHC_WML_RD_BRST_MASK	(0x00000F00)
+#define ESDHC_WML_RD_WML_MASK	(0x0000007F)
+#define ESDHC_WML_WR_WML_MASK	(0x007F0000)
+#define WML_512_BYTES		(0x0)
+#define BURST_128_BYTES	(0x0)
+
+/* eSDHC control register define */
+#define ESDHC_DCR_SNOOP		0x00000040
+
+/* ESDHC Block attributes register */
+#define ESDHC_BLKATTR_BLKCNT(c)	(((c) & 0xffff) << 16)
+#define ESDHC_BLKATTR_BLKSZE(s)	((s) & 0xfff)
+
+/* Transfer Type Register */
+#define ESDHC_XFERTYP_CMD(c)	(((c) & 0x3F) << 24)
+#define ESDHC_XFERTYP_CMDTYP_NORMAL	(0x0)
+#define ESDHC_XFERTYP_CMDTYP_SUSPEND	(0x00400000)
+#define ESDHC_XFERTYP_CMDTYP_RESUME	(0x00800000)
+#define ESDHC_XFERTYP_CMDTYP_ABORT	(0x00C00000)
+#define ESDHC_XFERTYP_DPSEL	(0x00200000)
+#define ESDHC_XFERTYP_CICEN	(0x00100000)
+#define ESDHC_XFERTYP_CCCEN	(0x00080000)
+#define ESDHC_XFERTYP_RSPTYP_NONE	(0x0)
+#define ESDHC_XFERTYP_RSPTYP_136	(0x00010000)
+#define ESDHC_XFERTYP_RSPTYP_48	(0x00020000)
+#define ESDHC_XFERTYP_RSPTYP_48_BUSY	(0x00030000)
+#define ESDHC_XFERTYP_MSBSEL	(0x00000020)
+#define ESDHC_XFERTYP_DTDSEL	(0x00000010)
+#define ESDHC_XFERTYP_AC12EN	(0x00000004)
+#define ESDHC_XFERTYP_BCEN	(0x00000002)
+#define ESDHC_XFERTYP_DMAEN	(0x00000001)
+
+#define MMC_VDD_HIGH_VOLTAGE	0x00000100
+
+/* command index */
+#define CMD0	0
+#define CMD1	1
+#define CMD2	2
+#define CMD3	3
+#define CMD5	5
+#define CMD6	6
+#define CMD7	7
+#define CMD8	8
+#define CMD9	9
+#define CMD12	12
+#define CMD13	13
+#define CMD14	14
+#define CMD16	16
+#define CMD17	17
+#define CMD18	18
+#define CMD19	19
+#define CMD24	24
+#define CMD41	41
+#define CMD42	42
+#define CMD51	51
+#define CMD55	55
+#define CMD56	56
+#define ACMD6	CMD6
+#define ACMD13	CMD13
+#define ACMD41	CMD41
+#define ACMD42	CMD42
+#define ACMD51	CMD51
+
+/* commands abbreviations */
+#define CMD_GO_IDLE_STATE	CMD0
+#define CMD_MMC_SEND_OP_COND	CMD1
+#define CMD_ALL_SEND_CID	CMD2
+#define CMD_SEND_RELATIVE_ADDR	CMD3
+#define CMD_SET_DSR	CMD4
+#define CMD_SWITCH_FUNC	CMD6
+#define CMD_SELECT_CARD	CMD7
+#define CMD_DESELECT_CARD	CMD7
+#define CMD_SEND_IF_COND	CMD8
+#define CMD_MMC_SEND_EXT_CSD	CMD8
+#define CMD_SEND_CSD	CMD9
+#define CMD_SEND_CID	CMD10
+#define CMD_STOP_TRANSMISSION	CMD12
+#define CMD_SEND_STATUS	CMD13
+#define CMD_BUS_TEST_R	CMD14
+#define CMD_GO_INACTIVE_STATE	CMD15
+#define CMD_SET_BLOCKLEN	CMD16
+#define CMD_READ_SINGLE_BLOCK	CMD17
+#define CMD_READ_MULTIPLE_BLOCK	CMD18
+#define CMD_WRITE_SINGLE_BLOCK	CMD24
+#define CMD_BUS_TEST_W	CMD19
+#define CMD_APP_CMD	CMD55
+#define CMD_GEN_CMD	CMD56
+#define CMD_SET_BUS_WIDTH	ACMD6
+#define CMD_SD_STATUS	ACMD13
+#define CMD_SD_SEND_OP_COND	ACMD41
+#define CMD_SET_CLR_CARD_DETECT	ACMD42
+#define CMD_SEND_SCR	ACMD51
+
+/* MMC card spec version */
+#define MMC_CARD_VERSION_1_2	0
+#define MMC_CARD_VERSION_1_4	1
+#define MMC_CARD_VERSION_2_X	2
+#define MMC_CARD_VERSION_3_X	3
+#define MMC_CARD_VERSION_4_X	4
+
+/* SD Card Spec Version */
+/* May need to add version 3 here? */
+#define SD_CARD_VERSION_1_0	0
+#define SD_CARD_VERSION_1_10	1
+#define SD_CARD_VERSION_2_0	2
+
+/* card types */
+#define MMC_CARD	0
+#define SD_CARD		1
+#define NOT_SD_CARD	MMC_CARD
+
+/* Card rca */
+#define SD_MMC_CARD_RCA	0x1
+#define BLOCK_LEN_512	512
+
+/* card state */
+#define STATE_IDLE	0
+#define STATE_READY	1
+#define STATE_IDENT	2
+#define STATE_STBY	3
+#define STATE_TRAN	4
+#define STATE_DATA	5
+#define STATE_RCV	6
+#define STATE_PRG	7
+#define STATE_DIS	8
+
+/* Card OCR register */
+/* VDD voltage window 1,65 to 1.95 */
+#define MMC_OCR_VDD_165_195	0x00000080
+/* VDD voltage window 2.7-2.8 */
+#define MMC_OCR_VDD_FF8	0x00FF8000
+#define MMC_OCR_CCS	0x40000000/* Card Capacity */
+#define MMC_OCR_BUSY	0x80000000/* busy bit */
+#define SD_OCR_HCS	0x40000000/* High capacity host */
+#define MMC_OCR_SECTOR_MODE	0x40000000/* Access Mode as Sector */
+
+/* mmc Switch function */
+#define SET_EXT_CSD_HS_TIMING	0x03B90100/* set High speed */
+
+/* check supports switching or not */
+#define SD_SWITCH_FUNC_CHECK_MODE	0x00FFFFF1
+#define SD_SWITCH_FUNC_SWITCH_MODE	0x80FFFFF1/* switch */
+#define SD_SWITCH_FUNC_HIGH_SPEED	0x02/* HIGH SPEED FUNC */
+#define SWITCH_ERROR		0x00000080
+
+/* errors in sending commands */
+#define RESP_TIMEOUT	0x1
+#define COMMAND_ERROR	0x2
+/* error in response */
+#define R1_ERROR	(1 << 19)
+#define R1_CURRENT_STATE(x)	(((x) & 0x00001E00) >> 9)
+
+/* Host Controller Capabilities */
+#define ESDHC_HOSTCAPBLT_DMAS           (0x00400000)
+
+
+/* SD/MMC memory map */
+struct esdhc_regs {
+	uint32_t dsaddr;	/* dma system address */
+	uint32_t blkattr;	/* Block attributes */
+	uint32_t cmdarg;	/* Command argument */
+	uint32_t xfertyp;	/* Command transfer type */
+	uint32_t cmdrsp[4];	/* Command response0,1,2,3 */
+	uint32_t datport;	/* Data buffer access port */
+	uint32_t prsstat;	/* Present state */
+	uint32_t proctl;	/* Protocol control */
+	uint32_t sysctl;	/* System control */
+	uint32_t irqstat;	/* Interrupt status */
+	uint32_t irqstaten;	/* Interrupt status enable */
+	uint32_t irqsigen;	/* Interrupt signal enable */
+	uint32_t autoc12err;	/* Auto CMD12 status */
+	uint32_t hostcapblt;	/* Host controller capabilities */
+	uint32_t wml;	/* Watermark level */
+	uint32_t res1[2];
+	uint32_t fevt;	/* Force event */
+	uint32_t res2;
+	uint32_t adsaddrl;
+	uint32_t adsaddrh;
+	uint32_t res3[39];
+	uint32_t hostver;	/* Host controller version */
+	uint32_t res4;
+	uint32_t dmaerr;	/* DMA error address */
+	uint32_t dmaerrh;	/* DMA error address high */
+	uint32_t dmaerrattr; /* DMA error atrribute */
+	uint32_t res5;
+	uint32_t hostcapblt2;/* Host controller capabilities2 */
+	uint32_t res6[2];
+	uint32_t tcr;	/* Tuning control */
+	uint32_t res7[7];
+	uint32_t dirctrl;	/* Direction control */
+	uint32_t ccr;	/* Clock control */
+	uint32_t res8[177];
+	uint32_t ctl;	/* Control register */
+};
+
+/* SD/MMC card attributes */
+struct card_attributes {
+	uint32_t type;	/* sd or mmc card */
+	uint32_t version;	/* version */
+	uint32_t block_len;	/* block length */
+	uint32_t bus_freq;	/* sdhc bus frequency */
+	uint16_t rca;	/* relative card address */
+	uint8_t is_high_capacity;	/* high capacity */
+};
+
+struct mmc {
+	struct esdhc_regs *esdhc_regs;
+	struct card_attributes card;
+
+	uint32_t block_len;
+	uint32_t voltages_caps;	/* supported voltaes */
+	uint32_t dma_support;	/* DMA support */
+};
+
+enum cntrl_num {
+	SDHC1 = 0,
+	SDHC2
+};
+
+int sd_emmc_init(uintptr_t *block_dev_spec,
+			uintptr_t nxp_esdhc_addr,
+			size_t nxp_sd_block_offset,
+			size_t nxp_sd_block_size,
+			bool card_detect);
+
+int esdhc_emmc_init(struct mmc *mmc, bool card_detect);
+int esdhc_read(struct mmc *mmc, uint32_t src_offset, uintptr_t dst,
+	       size_t size);
+int esdhc_write(struct mmc *mmc, uintptr_t src, uint32_t dst_offset,
+		size_t size);
+
+#ifdef NXP_ESDHC_BE
+#define esdhc_in32(a)           bswap32(mmio_read_32((uintptr_t)(a)))
+#define esdhc_out32(a, v)       mmio_write_32((uintptr_t)(a), bswap32(v))
+#elif defined(NXP_ESDHC_LE)
+#define esdhc_in32(a)           mmio_read_32((uintptr_t)(a))
+#define esdhc_out32(a, v)       mmio_write_32((uintptr_t)(a), (v))
+#else
+#error Please define CCSR ESDHC register endianness
+#endif
+
+#endif /*SD_MMC_H*/

drivers/nxp/sd/sd_mmc.mk

+#
+# Copyright 2020 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+ifeq (${ADD_SD_MMC},)
+
+ADD_SD_MMC	:= 1
+
+SD_DRIVERS_PATH		:=  ${PLAT_DRIVERS_PATH}/sd
+
+SD_MMC_BOOT_SOURCES	+= ${SD_DRIVERS_PATH}/sd_mmc.c \
+			   drivers/io/io_block.c
+
+PLAT_INCLUDES		+= -I$(SD_DRIVERS_PATH)
+
+ifeq (${BL_COMM_SD_MMC_NEEDED},yes)
+BL_COMMON_SOURCES	+= ${SD_MMC_BOOT_SOURCES}
+else
+ifeq (${BL2_SD_MMC_NEEDED},yes)
+BL2_SOURCES		+= ${SD_MMC_BOOT_SOURCES}
+endif
+ifeq (${BL3_SD_MMC_NEEDED},yes)
+BL31_SOURCES		+= ${SD_MMC_BOOT_SOURCES}
+endif
+endif
+endif

drivers/nxp/sec_mon/sec_mon.mk

+#
+# Copyright 2021 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+ifeq (${ADD_SNVS},)
+
+ADD_SNVS		:= 1
+
+SNVS_DRIVERS_PATH	:= ${PLAT_DRIVERS_PATH}/sec_mon
+
+PLAT_INCLUDES		+= -I$(SNVS_DRIVERS_PATH)
+
+SNVS_SOURCES		+= $(SNVS_DRIVERS_PATH)/snvs.c
+
+ifeq (${BL_COMM_SNVS_NEEDED},yes)
+BL_COMMON_SOURCES	+= ${SNVS_SOURCES}
+else
+ifeq (${BL2_SNVS_NEEDED},yes)
+BL2_SOURCES		+= ${SNVS_SOURCES}
+endif
+ifeq (${BL31_SNVS_NEEDED},yes)
+BL31_SOURCES		+= ${SNVS_SOURCES}
+endif
+endif
+endif

drivers/nxp/sec_mon/snvs.c

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <snvs.h>
+
+static uintptr_t g_nxp_snvs_addr;
+
+void snvs_init(uintptr_t nxp_snvs_addr)
+{
+	g_nxp_snvs_addr = nxp_snvs_addr;
+}
+
+uint32_t get_snvs_state(void)
+{
+	struct snvs_regs *snvs = (struct snvs_regs *) (g_nxp_snvs_addr);
+
+	return (snvs_read32(&snvs->hp_stat) & HPSTS_MASK_SSM_ST);
+}
+
+static uint32_t do_snvs_state_transition(uint32_t state_transtion_bit,
+					 uint32_t target_state)
+{
+	struct snvs_regs *snvs = (struct snvs_regs *) (g_nxp_snvs_addr);
+	uint32_t sts = get_snvs_state();
+	uint32_t fetch_cnt = 16U;
+	uint32_t val = snvs_read32(&snvs->hp_com) | state_transtion_bit;
+
+	snvs_write32(&snvs->hp_com, val);
+
+	/* polling loop till SNVS is in target state */
+	do {
+		sts = get_snvs_state();
+	} while ((sts != target_state) && ((--fetch_cnt) != 0));
+
+	return sts;
+}
+void transition_snvs_non_secure(void)
+{
+	struct snvs_regs *snvs = (struct snvs_regs *) (g_nxp_snvs_addr);
+	uint32_t sts = get_snvs_state();
+
+	switch (sts) {
+		/* If initial state is check or Non-Secure, then
+		 * set the Software Security Violation Bit and
+		 * transition to Non-Secure State.
+		 */
+	case HPSTS_CHECK_SSM_ST:
+		sts = do_snvs_state_transition(HPCOM_SW_SV, HPSTS_NON_SECURE_SSM_ST);
+		break;
+
+		/* If initial state is Trusted, Secure or Soft-Fail, then
+		 * first set the Software Security Violation Bit and
+		 * transition to Soft-Fail State.
+		 */
+	case HPSTS_TRUST_SSM_ST:
+	case HPSTS_SECURE_SSM_ST:
+	case HPSTS_SOFT_FAIL_SSM_ST:
+		sts = do_snvs_state_transition(HPCOM_SW_SV, HPSTS_NON_SECURE_SSM_ST);
+
+		/* If SSM Soft Fail to Non-Secure State Transition
+		 * Disable is not set, then set SSM_ST bit and
+		 * transition to Non-Secure State.
+		 */
+		if ((snvs_read32(&snvs->hp_com) & HPCOM_SSM_SFNS_DIS) == 0) {
+			sts = do_snvs_state_transition(HPCOM_SSM_ST, HPSTS_NON_SECURE_SSM_ST);
+		}
+		break;
+	default:
+		break;
+	}
+}
+
+void transition_snvs_soft_fail(void)
+{
+	do_snvs_state_transition(HPCOM_SW_FSV, HPSTS_SOFT_FAIL_SSM_ST);
+}
+
+uint32_t transition_snvs_trusted(void)
+{
+	struct snvs_regs *snvs = (struct snvs_regs *) (g_nxp_snvs_addr);
+	uint32_t sts = get_snvs_state();
+
+	switch (sts) {
+		/* If initial state is check, set the SSM_ST bit to
+		 * change the state to trusted.
+		 */
+	case HPSTS_CHECK_SSM_ST:
+		sts = do_snvs_state_transition(HPCOM_SSM_ST, HPSTS_TRUST_SSM_ST);
+		break;
+		/* If SSM Secure to Trusted State Transition Disable
+		 * is not set, then set SSM_ST bit and
+		 * transition to Trusted State.
+		 */
+	case HPSTS_SECURE_SSM_ST:
+		if ((snvs_read32(&snvs->hp_com) & HPCOM_SSM_ST_DIS) == 0) {
+			sts = do_snvs_state_transition(HPCOM_SSM_ST, HPSTS_TRUST_SSM_ST);
+		}
+		break;
+		/* If initial state is Soft-Fail or Non-Secure, then
+		 * transition to Trusted is not Possible.
+		 */
+	default:
+		break;
+	}
+
+	return sts;
+}
+
+uint32_t transition_snvs_secure(void)
+{
+	uint32_t sts = get_snvs_state();
+
+	if (sts == HPSTS_SECURE_SSM_ST) {
+		return sts;
+	}
+
+	if (sts != HPSTS_TRUST_SSM_ST) {
+		sts = transition_snvs_trusted();
+		if (sts != HPSTS_TRUST_SSM_ST) {
+			return sts;
+		}
+	}
+
+	sts = do_snvs_state_transition(HPCOM_SSM_ST, HPSTS_TRUST_SSM_ST);
+
+	return sts;
+}
+
+void snvs_write_lp_gpr_bit(uint32_t offset, uint32_t bit_pos, bool flag_val)
+{
+	if (flag_val) {
+		snvs_write32(g_nxp_snvs_addr + offset,
+			     (snvs_read32(g_nxp_snvs_addr + offset))
+			     | (1 << bit_pos));
+	} else {
+		snvs_write32(g_nxp_snvs_addr + offset,
+			     (snvs_read32(g_nxp_snvs_addr + offset))
+			     & ~(1 << bit_pos));
+	}
+}
+
+uint32_t snvs_read_lp_gpr_bit(uint32_t offset, uint32_t bit_pos)
+{
+	return (snvs_read32(g_nxp_snvs_addr + offset) & (1 << bit_pos));
+}
+
+void snvs_disable_zeroize_lp_gpr(void)
+{
+	snvs_write_lp_gpr_bit(NXP_LPCR_OFFSET,
+			  NXP_GPR_Z_DIS_BIT,
+			  true);
+}
+
+#if defined(NXP_NV_SW_MAINT_LAST_EXEC_DATA) && defined(NXP_COINED_BB)
+void snvs_write_app_data_bit(uint32_t bit_pos)
+{
+	snvs_write_lp_gpr_bit(NXP_APP_DATA_LP_GPR_OFFSET,
+			      bit_pos,
+			      true);
+}
+
+uint32_t snvs_read_app_data(void)
+{
+	return snvs_read32(g_nxp_snvs_addr + NXP_APP_DATA_LP_GPR_OFFSET);
+}
+
+uint32_t snvs_read_app_data_bit(uint32_t bit_pos)
+{
+	uint8_t ret = snvs_read_lp_gpr_bit(NXP_APP_DATA_LP_GPR_OFFSET, bit_pos);
+
+	return ((ret != 0U) ? 1U : 0U);
+}
+
+void snvs_clear_app_data(void)
+{
+	snvs_write32(g_nxp_snvs_addr + NXP_APP_DATA_LP_GPR_OFFSET, 0x0);
+}
+#endif

drivers/nxp/sec_mon/snvs.h

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef SNVS_H
+#define SNVS_H
+
+
+#ifndef __ASSEMBLER__
+
+#include <endian.h>
+#include <stdbool.h>
+
+#include <lib/mmio.h>
+
+struct snvs_regs {
+	uint32_t reserved1;
+	uint32_t hp_com;		/* 0x04 SNVS_HP Command Register */
+	uint32_t reserved2[3];
+	uint32_t hp_stat;		/* 0x14 SNVS_HP Status Register */
+};
+
+#ifdef NXP_SNVS_BE
+#define snvs_read32(a)           bswap32(mmio_read_32((uintptr_t)(a)))
+#define snvs_write32(a, v)       mmio_write_32((uintptr_t)(a), bswap32((v)))
+#elif defined(NXP_SNVS_LE)
+#define snvs_read32(a)           mmio_read_32((uintptr_t)(a))
+#define snvs_write32(a, v)       mmio_write_32((uintptr_t)(a), (v))
+#else
+#error Please define CCSR SNVS register endianness
+#endif
+
+void snvs_init(uintptr_t nxp_snvs_addr);
+uint32_t get_snvs_state(void);
+void transition_snvs_non_secure(void);
+void transition_snvs_soft_fail(void);
+uint32_t transition_snvs_trusted(void);
+uint32_t transition_snvs_secure(void);
+
+uint32_t snvs_read_lp_gpr_bit(uint32_t offset, uint32_t bit_pos);
+void snvs_write_lp_gpr_bit(uint32_t offset, uint32_t bit_pos, bool flag_val);
+
+void snvs_disable_zeroize_lp_gpr(void);
+
+#if defined(NXP_NV_SW_MAINT_LAST_EXEC_DATA) && defined(NXP_COINED_BB)
+uint32_t snvs_read_app_data(void);
+uint32_t snvs_read_app_data_bit(uint32_t bit_pos);
+void snvs_clear_app_data(void);
+void snvs_write_app_data_bit(uint32_t bit_pos);
+#endif
+
+#endif	/*  __ASSEMBLER__  */
+
+/* SSM_ST field in SNVS status reg */
+#define HPSTS_CHECK_SSM_ST	0x900	/* SNVS is in check state */
+#define HPSTS_NON_SECURE_SSM_ST	0xb00	/* SNVS is in non secure state */
+#define HPSTS_TRUST_SSM_ST	0xd00	/* SNVS is in trusted state */
+#define HPSTS_SECURE_SSM_ST	0xf00	/* SNVS is in secure state */
+#define HPSTS_SOFT_FAIL_SSM_ST	0x300	/* SNVS is in soft fail state */
+#define HPSTS_MASK_SSM_ST	0xf00	/* SSM_ST field mask in SNVS reg */
+
+/* SNVS register bits */
+#define HPCOM_SW_SV		0x100	/* Security Violation bit */
+#define HPCOM_SW_FSV		0x200	/* Fatal Security Violation bit */
+#define HPCOM_SSM_ST		0x1	/* SSM_ST field in SNVS command reg */
+#define HPCOM_SSM_ST_DIS	0x2	/* Disable Secure to Trusted State */
+#define HPCOM_SSM_SFNS_DIS	0x4	/* Disable Soft Fail to Non-Secure */
+
+#define NXP_LP_GPR0_OFFSET	0x90
+#define NXP_LPCR_OFFSET		0x38
+#define NXP_GPR_Z_DIS_BIT	24
+
+#ifdef NXP_COINED_BB
+
+#ifndef NXP_APP_DATA_LP_GPR_OFFSET
+#define NXP_APP_DATA_LP_GPR_OFFSET NXP_LP_GPR0_OFFSET
+#endif
+
+#define NXP_LPGPR_ZEROTH_BIT		0
+
+#endif	/* NXP_COINED_BB */
+
+#endif	/* SNVS_H  */

drivers/nxp/sfp/fuse_prov.c

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <caam.h>
+#include <common/debug.h>
+#include <dcfg.h>
+#include <drivers/delay_timer.h>
+#include <fuse_prov.h>
+#include <sfp.h>
+#include <sfp_error_codes.h>
+
+
+static int write_a_fuse(uint32_t *fuse_addr, uint32_t *fuse_hdr_val,
+			uint32_t mask)
+{
+	uint32_t last_stored_val = sfp_read32(fuse_addr);
+
+	 /* Check if fuse already blown or not */
+	if ((last_stored_val & mask) == mask) {
+		return ERROR_ALREADY_BLOWN;
+	}
+
+	 /* Write fuse in mirror registers */
+	sfp_write32(fuse_addr, last_stored_val | (*fuse_hdr_val & mask));
+
+	 /* Read back to check if write success */
+	if (sfp_read32(fuse_addr) != (last_stored_val | (*fuse_hdr_val & mask))) {
+		return ERROR_WRITE;
+	}
+
+	return 0;
+}
+
+static int write_fuses(uint32_t *fuse_addr, uint32_t *fuse_hdr_val, uint8_t len)
+{
+	int i;
+
+	 /* Check if fuse already blown or not */
+	for (i = 0; i < len; i++) {
+		if (sfp_read32(&fuse_addr[i]) != 0) {
+			return ERROR_ALREADY_BLOWN;
+		}
+	}
+
+	 /* Write fuse in mirror registers */
+	for (i = 0; i < len; i++) {
+		sfp_write32(&fuse_addr[i], fuse_hdr_val[i]);
+	}
+
+	 /* Read back to check if write success */
+	for (i = 0; i < len; i++) {
+		if (sfp_read32(&fuse_addr[i]) != fuse_hdr_val[i]) {
+			return ERROR_WRITE;
+		}
+	}
+
+	return 0;
+}
+
+/*
+ * This function program Super Root Key Hash (SRKH) in fuse
+ * registers.
+ */
+static int prog_srkh(struct fuse_hdr_t *fuse_hdr,
+		     struct sfp_ccsr_regs_t *sfp_ccsr_regs)
+{
+	int ret = 0;
+
+	ret = write_fuses(sfp_ccsr_regs->srk_hash, fuse_hdr->srkh, 8);
+
+	if (ret != 0) {
+		ret = (ret == ERROR_ALREADY_BLOWN) ?
+			ERROR_SRKH_ALREADY_BLOWN : ERROR_SRKH_WRITE;
+	}
+
+	return ret;
+}
+
+/* This function program OEMUID[0-4] in fuse registers. */
+static int prog_oemuid(struct fuse_hdr_t *fuse_hdr,
+		       struct sfp_ccsr_regs_t *sfp_ccsr_regs)
+{
+	int i, ret = 0;
+
+	for (i = 0; i < 5; i++) {
+		 /* Check OEMUIDx to be blown or not */
+		if (((fuse_hdr->flags >> (FLAG_OUID0_SHIFT + i)) & 0x1) != 0) {
+			 /* Check if OEMUID[i] already blown or not */
+			ret = write_fuses(&sfp_ccsr_regs->oem_uid[i],
+					 &fuse_hdr->oem_uid[i], 1);
+
+			if (ret != 0) {
+				ret = (ret == ERROR_ALREADY_BLOWN) ?
+					ERROR_OEMUID_ALREADY_BLOWN
+					: ERROR_OEMUID_WRITE;
+			}
+		}
+	}
+	return ret;
+}
+
+/* This function program DCV[0-1], DRV[0-1] in fuse registers. */
+static int prog_debug(struct fuse_hdr_t *fuse_hdr,
+		      struct sfp_ccsr_regs_t *sfp_ccsr_regs)
+{
+	int ret;
+
+	 /* Check DCV to be blown or not */
+	if (((fuse_hdr->flags >> (FLAG_DCV0_SHIFT)) & 0x3) != 0) {
+		 /* Check if DCV[i] already blown or not */
+		ret = write_fuses(sfp_ccsr_regs->dcv, fuse_hdr->dcv, 2);
+
+		if (ret != 0) {
+			ret = (ret == ERROR_ALREADY_BLOWN) ?
+				ERROR_DCV_ALREADY_BLOWN
+				: ERROR_DCV_WRITE;
+		}
+	}
+
+	 /* Check DRV to be blown or not */
+	if ((((fuse_hdr->flags >> (FLAG_DRV0_SHIFT)) & 0x3)) != 0) {
+		 /* Check if DRV[i] already blown or not */
+		ret = write_fuses(sfp_ccsr_regs->drv, fuse_hdr->drv, 2);
+
+		if (ret != 0) {
+			ret = (ret == ERROR_ALREADY_BLOWN) ?
+				ERROR_DRV_ALREADY_BLOWN
+				: ERROR_DRV_WRITE;
+		} else {
+			 /* Check for DRV hamming error */
+			if (sfp_read32((void *)(get_sfp_addr()
+							+ SFP_SVHESR_OFFSET))
+				& SFP_SVHESR_DRV_MASK) {
+				return ERROR_DRV_HAMMING_ERROR;
+			}
+		}
+	}
+
+	return 0;
+}
+
+ /*
+  * Turn a 256-bit random value (32 bytes) into an OTPMK code word
+  * modifying the input data array in place
+  */
+static void otpmk_make_code_word_256(uint8_t *otpmk, bool minimal_flag)
+{
+	int i;
+	uint8_t parity_bit;
+	uint8_t code_bit;
+
+	if (minimal_flag == true) {
+		 /*
+		  * Force bits 252, 253, 254 and 255 to 1
+		  * This is because these fuses may have already been blown
+		  * and the OTPMK cannot force them back to 0
+		  */
+		otpmk[252/8] |= (1 << (252%8));
+		otpmk[253/8] |= (1 << (253%8));
+		otpmk[254/8] |= (1 << (254%8));
+		otpmk[255/8] |= (1 << (255%8));
+	}
+
+	 /* Generate the hamming code for the code word */
+	parity_bit = 0;
+	code_bit = 0;
+	for (i = 0; i < 256; i += 1) {
+		if ((otpmk[i/8] & (1 << (i%8))) != 0) {
+			parity_bit ^= 1;
+			code_bit   ^= i;
+		}
+	}
+
+	 /* Inverting otpmk[code_bit] will cause the otpmk
+	  * to become a valid code word (except for overall parity)
+	  */
+	if (code_bit < 252) {
+		otpmk[code_bit/8] ^= (1 << (code_bit % 8));
+		parity_bit  ^= 1;  // account for flipping a bit changing parity
+	} else {
+		 /* Invert two bits:  (code_bit - 4) and 4
+		  * Because we invert two bits, no need to touch the parity bit
+		  */
+		otpmk[(code_bit - 4)/8] ^= (1 << ((code_bit - 4) % 8));
+		otpmk[4/8] ^= (1 << (4 % 8));
+	}
+
+	 /* Finally, adjust the overall parity of the otpmk
+	  * otpmk bit 0
+	  */
+	otpmk[0] ^= parity_bit;
+}
+
+/* This function program One Time Programmable Master Key (OTPMK)
+ *  in fuse registers.
+ */
+static int prog_otpmk(struct fuse_hdr_t *fuse_hdr,
+		      struct sfp_ccsr_regs_t *sfp_ccsr_regs)
+{
+	int ret = 0;
+	uint32_t otpmk_flags;
+	uint32_t otpmk_random[8] __aligned(CACHE_WRITEBACK_GRANULE);
+
+	otpmk_flags = (fuse_hdr->flags >> (FLAG_OTPMK_SHIFT)) & FLAG_OTPMK_MASK;
+
+	switch (otpmk_flags) {
+	case PROG_OTPMK_MIN:
+		memset(fuse_hdr->otpmk, 0, sizeof(fuse_hdr->otpmk));
+
+		 /* Minimal OTPMK value (252-255 bits set to 1) */
+		fuse_hdr->otpmk[0] |= OTPMK_MIM_BITS_MASK;
+		break;
+
+	case PROG_OTPMK_RANDOM:
+		if (is_sec_enabled() == false) {
+			ret = ERROR_OTPMK_SEC_DISABLED;
+			goto out;
+		}
+
+		 /* Generate Random number using CAAM for OTPMK */
+		memset(otpmk_random, 0, sizeof(otpmk_random));
+		if (get_rand_bytes_hw((uint8_t *)otpmk_random,
+				      sizeof(otpmk_random)) != 0) {
+			ret = ERROR_OTPMK_SEC_ERROR;
+			goto out;
+		}
+
+		 /* Run hamming over random no. to make OTPMK */
+		otpmk_make_code_word_256((uint8_t *)otpmk_random, false);
+
+		 /* Swap OTPMK */
+		fuse_hdr->otpmk[0] = otpmk_random[7];
+		fuse_hdr->otpmk[1] = otpmk_random[6];
+		fuse_hdr->otpmk[2] = otpmk_random[5];
+		fuse_hdr->otpmk[3] = otpmk_random[4];
+		fuse_hdr->otpmk[4] = otpmk_random[3];
+		fuse_hdr->otpmk[5] = otpmk_random[2];
+		fuse_hdr->otpmk[6] = otpmk_random[1];
+		fuse_hdr->otpmk[7] = otpmk_random[0];
+		break;
+
+	case PROG_OTPMK_USER:
+		break;
+
+	case PROG_OTPMK_RANDOM_MIN:
+		 /* Here assumption is that user is aware of minimal OTPMK
+		  * already blown.
+		  */
+
+		 /* Generate Random number using CAAM for OTPMK */
+		if (is_sec_enabled() == false) {
+			ret = ERROR_OTPMK_SEC_DISABLED;
+			goto out;
+		}
+
+		memset(otpmk_random, 0, sizeof(otpmk_random));
+		if (get_rand_bytes_hw((uint8_t *)otpmk_random,
+				      sizeof(otpmk_random)) != 0) {
+			ret = ERROR_OTPMK_SEC_ERROR;
+			goto out;
+		}
+
+		 /* Run hamming over random no. to make OTPMK */
+		otpmk_make_code_word_256((uint8_t *)otpmk_random, true);
+
+		 /* Swap OTPMK */
+		fuse_hdr->otpmk[0] = otpmk_random[7];
+		fuse_hdr->otpmk[1] = otpmk_random[6];
+		fuse_hdr->otpmk[2] = otpmk_random[5];
+		fuse_hdr->otpmk[3] = otpmk_random[4];
+		fuse_hdr->otpmk[4] = otpmk_random[3];
+		fuse_hdr->otpmk[5] = otpmk_random[2];
+		fuse_hdr->otpmk[6] = otpmk_random[1];
+		fuse_hdr->otpmk[7] = otpmk_random[0];
+		break;
+
+	case PROG_OTPMK_USER_MIN:
+		 /*
+		  * Here assumption is that user is aware of minimal OTPMK
+		  * already blown. Check if minimal bits are set in user
+		  * supplied OTPMK.
+		  */
+		if ((fuse_hdr->otpmk[0] & OTPMK_MIM_BITS_MASK) !=
+							OTPMK_MIM_BITS_MASK) {
+			ret = ERROR_OTPMK_USER_MIN;
+			goto out;
+		}
+		break;
+
+	default:
+		ret = 0;
+		goto out;
+	}
+
+	ret = write_fuses(sfp_ccsr_regs->otpmk, fuse_hdr->otpmk, 8);
+
+	if (ret != 0) {
+		ret = (ret == ERROR_ALREADY_BLOWN) ?
+			ERROR_OTPMK_ALREADY_BLOWN
+			: ERROR_OTPMK_WRITE;
+	} else {
+		 /* Check for DRV hamming error */
+		if ((sfp_read32((void *)(get_sfp_addr() + SFP_SVHESR_OFFSET))
+			& SFP_SVHESR_OTPMK_MASK) != 0) {
+			ret = ERROR_OTPMK_HAMMING_ERROR;
+		}
+	}
+
+out:
+	return ret;
+}
+
+/* This function program OSPR1 in fuse registers.
+ */
+static int prog_ospr1(struct fuse_hdr_t *fuse_hdr,
+		      struct sfp_ccsr_regs_t *sfp_ccsr_regs)
+{
+	int ret;
+	uint32_t mask;
+
+#ifdef NXP_SFP_VER_3_4
+	if (((fuse_hdr->flags >> FLAG_MC_SHIFT) & 0x1) != 0) {
+		mask = OSPR1_MC_MASK;
+	}
+#endif
+	if (((fuse_hdr->flags >> FLAG_DBG_LVL_SHIFT) & 0x1) != 0) {
+		mask = mask | OSPR1_DBG_LVL_MASK;
+	}
+
+	ret = write_a_fuse(&sfp_ccsr_regs->ospr1, &fuse_hdr->ospr1, mask);
+
+	if (ret != 0) {
+		ret = (ret == ERROR_ALREADY_BLOWN) ?
+				ERROR_OSPR1_ALREADY_BLOWN
+				: ERROR_OSPR1_WRITE;
+	}
+
+	return ret;
+}
+
+/* This function program SYSCFG in fuse registers.
+ */
+static int prog_syscfg(struct fuse_hdr_t *fuse_hdr,
+		       struct sfp_ccsr_regs_t *sfp_ccsr_regs)
+{
+	int ret;
+
+	 /* Check if SYSCFG already blown or not */
+	ret = write_a_fuse(&sfp_ccsr_regs->ospr, &fuse_hdr->sc, OSPR0_SC_MASK);
+
+	if (ret != 0) {
+		ret = (ret == ERROR_ALREADY_BLOWN) ?
+				ERROR_SC_ALREADY_BLOWN
+				: ERROR_SC_WRITE;
+	}
+
+	return ret;
+}
+
+/* This function does fuse provisioning.
+ */
+int provision_fuses(unsigned long long fuse_scr_addr,
+		    bool en_povdd_status)
+{
+	struct fuse_hdr_t *fuse_hdr = NULL;
+	struct sfp_ccsr_regs_t *sfp_ccsr_regs = (void *)(get_sfp_addr()
+							+ SFP_FUSE_REGS_OFFSET);
+	int ret = 0;
+
+	fuse_hdr = (struct fuse_hdr_t *)fuse_scr_addr;
+
+	/*
+	 * Check for Write Protect (WP) fuse. If blown then do
+	 *  no fuse provisioning.
+	 */
+	if ((sfp_read32(&sfp_ccsr_regs->ospr) & 0x1) != 0) {
+		goto out;
+	}
+
+	 /* Check if SRKH to be blown or not */
+	if (((fuse_hdr->flags >> FLAG_SRKH_SHIFT) & 0x1) != 0) {
+		INFO("Fuse: Program SRKH\n");
+		ret = prog_srkh(fuse_hdr, sfp_ccsr_regs);
+		if (ret != 0) {
+			error_handler(ret);
+			goto out;
+		}
+	}
+
+	 /* Check if OEMUID to be blown or not */
+	if (((fuse_hdr->flags >> FLAG_OUID0_SHIFT) & FLAG_OUID_MASK) != 0) {
+		INFO("Fuse: Program OEMUIDs\n");
+		ret = prog_oemuid(fuse_hdr, sfp_ccsr_regs);
+		if (ret != 0) {
+			error_handler(ret);
+			goto out;
+		}
+	}
+
+	 /* Check if Debug values to be blown or not */
+	if (((fuse_hdr->flags >> FLAG_DCV0_SHIFT) & FLAG_DEBUG_MASK) != 0) {
+		INFO("Fuse: Program Debug values\n");
+		ret = prog_debug(fuse_hdr, sfp_ccsr_regs);
+		if (ret != 0) {
+			error_handler(ret);
+			goto out;
+		}
+	}
+
+	 /* Check if OTPMK values to be blown or not */
+	if (((fuse_hdr->flags >> FLAG_OTPMK_SHIFT) & PROG_NO_OTPMK) !=
+		PROG_NO_OTPMK) {
+		INFO("Fuse: Program OTPMK\n");
+		ret = prog_otpmk(fuse_hdr, sfp_ccsr_regs);
+		if (ret != 0) {
+			error_handler(ret);
+			goto out;
+		}
+	}
+
+
+	 /* Check if MC or DBG LVL to be blown or not */
+	if ((((fuse_hdr->flags >> FLAG_MC_SHIFT) & 0x1) != 0) ||
+		(((fuse_hdr->flags >> FLAG_DBG_LVL_SHIFT) & 0x1) != 0)) {
+		INFO("Fuse: Program OSPR1\n");
+		ret = prog_ospr1(fuse_hdr, sfp_ccsr_regs);
+		if (ret != 0) {
+			error_handler(ret);
+			goto out;
+		}
+	}
+
+	 /* Check if SYSCFG to be blown or not */
+	if (((fuse_hdr->flags >> FLAG_SYSCFG_SHIFT) & 0x1) != 0) {
+		INFO("Fuse: Program SYSCFG\n");
+		ret = prog_syscfg(fuse_hdr, sfp_ccsr_regs);
+		if (ret != 0) {
+			error_handler(ret);
+			goto out;
+		}
+	}
+
+	if (en_povdd_status) {
+		ret = sfp_program_fuses();
+		if (ret != 0) {
+			error_handler(ret);
+			goto out;
+		}
+	}
+out:
+	return ret;
+}

drivers/nxp/sfp/fuse_prov.h

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#if !defined(FUSE_PROV_H) && defined(POLICY_FUSE_PROVISION)
+#define FUSE_PROV_H
+
+#include <endian.h>
+#include <lib/mmio.h>
+
+#define MASK_NONE		U(0xFFFFFFFF)
+#define ERROR_WRITE		U(0xA)
+#define ERROR_ALREADY_BLOWN	U(0xB)
+
+/* Flag bit shifts */
+#define FLAG_POVDD_SHIFT	U(0)
+#define FLAG_SYSCFG_SHIFT	U(1)
+#define FLAG_SRKH_SHIFT		U(2)
+#define FLAG_MC_SHIFT		U(3)
+#define FLAG_DCV0_SHIFT		U(4)
+#define FLAG_DCV1_SHIFT		U(5)
+#define FLAG_DRV0_SHIFT		U(6)
+#define FLAG_DRV1_SHIFT		U(7)
+#define FLAG_OUID0_SHIFT	U(8)
+#define FLAG_OUID1_SHIFT	U(9)
+#define FLAG_OUID2_SHIFT	U(10)
+#define FLAG_OUID3_SHIFT	U(11)
+#define FLAG_OUID4_SHIFT	U(12)
+#define FLAG_DBG_LVL_SHIFT	U(13)
+#define FLAG_OTPMK_SHIFT	U(16)
+#define FLAG_OUID_MASK		U(0x1F)
+#define FLAG_DEBUG_MASK		U(0xF)
+#define FLAG_OTPMK_MASK		U(0xF)
+
+/* OTPMK flag values */
+#define PROG_OTPMK_MIN		U(0x0)
+#define PROG_OTPMK_RANDOM	U(0x1)
+#define PROG_OTPMK_USER		U(0x2)
+#define PROG_OTPMK_RANDOM_MIN	U(0x5)
+#define PROG_OTPMK_USER_MIN	U(0x6)
+#define PROG_NO_OTPMK		U(0x8)
+
+#define OTPMK_MIM_BITS_MASK	U(0xF0000000)
+
+/* System configuration bit shifts */
+#define SCB_WP_SHIFT		U(0)
+#define SCB_ITS_SHIFT		U(2)
+#define SCB_NSEC_SHIFT		U(4)
+#define SCB_ZD_SHIFT		U(5)
+#define SCB_K0_SHIFT		U(15)
+#define SCB_K1_SHIFT		U(14)
+#define SCB_K2_SHIFT		U(13)
+#define SCB_K3_SHIFT		U(12)
+#define SCB_K4_SHIFT		U(11)
+#define SCB_K5_SHIFT		U(10)
+#define SCB_K6_SHIFT		U(9)
+#define SCB_FR0_SHIFT		U(30)
+#define SCB_FR1_SHIFT		U(31)
+
+/* Fuse Header Structure */
+struct fuse_hdr_t {
+	uint8_t barker[4];          /* 0x00 Barker code */
+	uint32_t flags;             /* 0x04 Script flags */
+	uint32_t povdd_gpio;        /* 0x08 GPIO for POVDD */
+	uint32_t otpmk[8];          /* 0x0C-0x2B OTPMK */
+	uint32_t srkh[8];           /* 0x2C-0x4B SRKH */
+	uint32_t oem_uid[5];        /* 0x4C-0x5F OEM unique id's */
+	uint32_t dcv[2];            /* 0x60-0x67 Debug Challenge */
+	uint32_t drv[2];            /* 0x68-0x6F Debug Response */
+	uint32_t ospr1;             /* 0x70 OSPR1 */
+	uint32_t sc;                /* 0x74 OSPR0 (System Configuration) */
+	uint32_t reserved[2];       /* 0x78-0x7F Reserved */
+};
+
+/* Function to do fuse provisioning */
+int provision_fuses(unsigned long long fuse_scr_addr,
+		    bool en_povdd_status);
+
+#define EFUSE_POWERUP_DELAY_mSec	U(25)
+#endif	/* FUSE_PROV_H  */

drivers/nxp/sfp/sfp.c

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <caam.h>
+#include <common/debug.h>
+#include <drivers/delay_timer.h>
+#include <sfp.h>
+#include <sfp_error_codes.h>
+
+static uintptr_t g_nxp_sfp_addr;
+static uint32_t srk_hash[SRK_HASH_SIZE/sizeof(uint32_t)]
+					__aligned(CACHE_WRITEBACK_GRANULE);
+
+void sfp_init(uintptr_t nxp_sfp_addr)
+{
+	g_nxp_sfp_addr = nxp_sfp_addr;
+}
+
+uintptr_t get_sfp_addr(void)
+{
+	return g_nxp_sfp_addr;
+}
+
+uint32_t *get_sfp_srk_hash(void)
+{
+	struct sfp_ccsr_regs_t *sfp_ccsr_regs =
+			(void *) (g_nxp_sfp_addr + SFP_FUSE_REGS_OFFSET);
+	int i = 0;
+
+	/* Add comparison of hash with SFP hash here */
+	for (i = 0; i < SRK_HASH_SIZE/sizeof(uint32_t); i++)
+		srk_hash[i] =
+			mmio_read_32((uintptr_t)&sfp_ccsr_regs->srk_hash[i]);
+
+	return srk_hash;
+}
+
+void set_sfp_wr_disable(void)
+{
+	/*
+	 * Mark SFP Write Disable and Write Disable Lock
+	 * Bit to prevent write to SFP fuses like
+	 * OUID's, Key Revocation fuse etc
+	 */
+	void *sfpcr = (void *)(g_nxp_sfp_addr + SFP_SFPCR_OFFSET);
+	uint32_t sfpcr_val;
+
+	sfpcr_val = sfp_read32(sfpcr);
+	sfpcr_val |= (SFP_SFPCR_WD | SFP_SFPCR_WDL);
+	sfp_write32(sfpcr, sfpcr_val);
+}
+
+int sfp_program_fuses(void)
+{
+	uint32_t ingr;
+	uint32_t sfp_cmd_status = 0U;
+	int ret = 0;
+
+	/* Program SFP fuses from mirror registers */
+	sfp_write32((void *)(g_nxp_sfp_addr + SFP_INGR_OFFSET),
+		    SFP_INGR_PROGFB_CMD);
+
+	/* Wait until fuse programming is successful */
+	do {
+		ingr = sfp_read32(g_nxp_sfp_addr + SFP_INGR_OFFSET);
+	} while (ingr & SFP_INGR_PROGFB_CMD);
+
+	/* Check for SFP fuse programming error */
+	sfp_cmd_status = sfp_read32(g_nxp_sfp_addr + SFP_INGR_OFFSET)
+			 & SFP_INGR_ERROR_MASK;
+
+	if (sfp_cmd_status != 0U) {
+		return ERROR_PROGFB_CMD;
+	}
+
+	return ret;
+}
+
+uint32_t sfp_read_oem_uid(uint8_t oem_uid)
+{
+	uint32_t val = 0U;
+	struct sfp_ccsr_regs_t *sfp_ccsr_regs = (void *)(g_nxp_sfp_addr
+							+ SFP_FUSE_REGS_OFFSET);
+
+	if (oem_uid > MAX_OEM_UID) {
+		ERROR("Invalid OEM UID received.\n");
+		return ERROR_OEMUID_WRITE;
+	}
+
+	val = sfp_read32(&sfp_ccsr_regs->oem_uid[oem_uid]);
+
+	return val;
+}
+
+/*
+ * return val:  0 - No update required.
+ *              1 - successful update done.
+ *              ERROR_OEMUID_WRITE - Invalid OEM UID
+ */
+uint32_t sfp_write_oem_uid(uint8_t oem_uid, uint32_t sfp_val)
+{
+	uint32_t val = 0U;
+	struct sfp_ccsr_regs_t *sfp_ccsr_regs = (void *)(g_nxp_sfp_addr
+							+ SFP_FUSE_REGS_OFFSET);
+
+	val = sfp_read_oem_uid(oem_uid);
+
+	if (val == ERROR_OEMUID_WRITE) {
+		return ERROR_OEMUID_WRITE;
+	}
+
+	/* Counter already set. No need to do anything */
+	if ((val & sfp_val) != 0U) {
+		return 0U;
+	}
+
+	val |= sfp_val;
+
+	INFO("SFP Value is %x for setting sfp_val = %d\n", val, sfp_val);
+
+	sfp_write32(&sfp_ccsr_regs->oem_uid[oem_uid], val);
+
+	return 1U;
+}
+
+int sfp_check_its(void)
+{
+	struct sfp_ccsr_regs_t *sfp_ccsr_regs = (void *)(g_nxp_sfp_addr
+							+ SFP_FUSE_REGS_OFFSET);
+
+	if ((sfp_read32(&sfp_ccsr_regs->ospr) & OSPR_ITS_MASK) != 0) {
+		return 1;
+	} else {
+		return 0;
+	}
+}
+
+int sfp_check_oem_wp(void)
+{
+	struct sfp_ccsr_regs_t *sfp_ccsr_regs = (void *)(g_nxp_sfp_addr
+							+ SFP_FUSE_REGS_OFFSET);
+
+	if ((sfp_read32(&sfp_ccsr_regs->ospr) & OSPR_WP_MASK) != 0) {
+		return 1;
+	} else {
+		return 0;
+	}
+}
+
+/* This function returns ospr's key_revoc values.*/
+uint32_t get_key_revoc(void)
+{
+	struct sfp_ccsr_regs_t *sfp_ccsr_regs = (void *)(g_nxp_sfp_addr
+							+ SFP_FUSE_REGS_OFFSET);
+
+	return (sfp_read32(&sfp_ccsr_regs->ospr) & OSPR_KEY_REVOC_MASK) >>
+						OSPR_KEY_REVOC_SHIFT;
+}

drivers/nxp/sfp/sfp.h

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef SFP_H
+#define SFP_H
+
+#include <endian.h>
+#include <lib/mmio.h>
+
+/* SFP Configuration Register Offsets */
+#define SFP_INGR_OFFSET		U(0x20)
+#define SFP_SVHESR_OFFSET	U(0x24)
+#define SFP_SFPCR_OFFSET	U(0x28)
+#define SFP_VER_OFFSET		U(0x38)
+
+/* SFP Hamming register masks for OTPMK and DRV */
+#define SFP_SVHESR_DRV_MASK	U(0x7F)
+#define SFP_SVHESR_OTPMK_MASK	U(0x7FC00)
+
+/* SFP commands */
+#define SFP_INGR_READFB_CMD	U(0x1)
+#define SFP_INGR_PROGFB_CMD	U(0x2)
+#define SFP_INGR_ERROR_MASK	U(0x100)
+
+/* SFPCR Masks */
+#define SFP_SFPCR_WD		U(0x80000000)
+#define SFP_SFPCR_WDL		U(0x40000000)
+
+/* SFPCR Masks */
+#define SFP_SFPCR_WD		U(0x80000000)
+#define SFP_SFPCR_WDL		U(0x40000000)
+
+#define SFP_FUSE_REGS_OFFSET	U(0x200)
+
+#ifdef NXP_SFP_VER_3_4
+#define OSPR0_SC_MASK		U(0xC000FE35)
+#elif defined(NXP_SFP_VER_3_2)
+#define OSPR0_SC_MASK		U(0x0000E035)
+#endif
+
+#if defined(NXP_SFP_VER_3_4)
+#define OSPR_KEY_REVOC_SHIFT	U(9)
+#define OSPR_KEY_REVOC_MASK	U(0x0000fe00)
+#elif defined(NXP_SFP_VER_3_2)
+#define OSPR_KEY_REVOC_SHIFT	U(13)
+#define OSPR_KEY_REVOC_MASK	U(0x0000e000)
+#endif /* NXP_SFP_VER_3_4 */
+
+#define OSPR1_MC_MASK		U(0xFFFF0000)
+#define OSPR1_DBG_LVL_MASK	U(0x00000007)
+
+#define OSPR_ITS_MASK		U(0x00000004)
+#define OSPR_WP_MASK		U(0x00000001)
+
+#define MAX_OEM_UID		U(5)
+#define SRK_HASH_SIZE		U(32)
+
+/* SFP CCSR Register Map */
+struct sfp_ccsr_regs_t {
+	uint32_t ospr;			/* 0x200 OSPR0 */
+	uint32_t ospr1;			/* 0x204 OSPR1 */
+	uint32_t dcv[2];		/* 0x208 Debug Challenge Value */
+	uint32_t drv[2];		/* 0x210 Debug Response Value */
+	uint32_t fswpr;			/* 0x218 FSL Section Write Protect */
+	uint32_t fsl_uid[2];		/* 0x21c FSL UID 0 */
+	uint32_t isbcr;			/* 0x224 ISBC Configuration */
+	uint32_t fsspr[3];		/* 0x228 FSL Scratch Pad */
+	uint32_t otpmk[8];		/* 0x234 OTPMK */
+	uint32_t srk_hash[SRK_HASH_SIZE/sizeof(uint32_t)];
+					/* 0x254 Super Root Key Hash */
+	uint32_t oem_uid[MAX_OEM_UID];	/* 0x274 OEM UID 0 */
+};
+
+uintptr_t get_sfp_addr(void);
+void sfp_init(uintptr_t nxp_sfp_addr);
+uint32_t *get_sfp_srk_hash(void);
+int sfp_check_its(void);
+int sfp_check_oem_wp(void);
+uint32_t get_key_revoc(void);
+void set_sfp_wr_disable(void);
+int sfp_program_fuses(void);
+
+uint32_t sfp_read_oem_uid(uint8_t oem_uid);
+uint32_t sfp_write_oem_uid(uint8_t oem_uid, uint32_t sfp_val);
+
+#ifdef NXP_SFP_BE
+#define sfp_read32(a)           bswap32(mmio_read_32((uintptr_t)(a)))
+#define sfp_write32(a, v)       mmio_write_32((uintptr_t)(a), bswap32(v))
+#elif defined(NXP_SFP_LE)
+#define sfp_read32(a)           mmio_read_32((uintptr_t)(a))
+#define sfp_write32(a, v)       mmio_write_32((uintptr_t)(a), (v))
+#else
+#error Please define CCSR SFP register endianness
+#endif
+
+#endif/* SFP_H */

drivers/nxp/sfp/sfp.mk

+#
+# Copyright 2020 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#-----------------------------------------------------------------------------
+ifeq (${SFP_ADDED},)
+
+SFP_ADDED		:= 1
+$(eval $(call add_define, NXP_SFP_ENABLED))
+
+SFP_DRIVERS_PATH	:=  ${PLAT_DRIVERS_PATH}/sfp
+
+PLAT_INCLUDES		+= -I$(SFP_DRIVERS_PATH)
+
+SFP_SOURCES		+= $(SFP_DRIVERS_PATH)/sfp.c
+
+ifeq (${FUSE_PROG}, 1)
+SFP_BL2_SOURCES		+= $(SFP_DRIVERS_PATH)/fuse_prov.c
+endif
+
+ifeq (${BL_COMM_SFP_NEEDED},yes)
+BL_COMMON_SOURCES	+= ${SFP_SOURCES}
+BL2_SOURCES		+= ${SFP_BL2_SOURCES}
+else
+ifeq (${BL2_SFP_NEEDED},yes)
+BL2_SOURCES		+= ${SFP_SOURCES}\
+			   ${SFP_BL2_SOURCES}
+endif
+ifeq (${BL31_SFP_NEEDED},yes)
+BL31_SOURCES		+= ${SFP_SOURCES}
+endif
+endif
+endif
+#------------------------------------------------

drivers/nxp/sfp/sfp_error_codes.h

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef SFP_ERROR_CODES_H
+#define SFP_ERROR_CODES_H
+
+ /* Error codes */
+#define ERROR_FUSE_BARKER		0x1
+#define ERROR_READFB_CMD		0x2
+#define ERROR_PROGFB_CMD		0x3
+#define ERROR_SRKH_ALREADY_BLOWN	0x4
+#define ERROR_SRKH_WRITE		0x5
+#define ERROR_OEMUID_ALREADY_BLOWN	0x6
+#define ERROR_OEMUID_WRITE		0x7
+#define ERROR_DCV_ALREADY_BLOWN		0x8
+#define ERROR_DCV_WRITE			0x9
+#define ERROR_DRV_ALREADY_BLOWN		0xa
+#define ERROR_DRV_HAMMING_ERROR		0xb
+#define ERROR_DRV_WRITE			0x18
+#define ERROR_OTPMK_ALREADY_BLOWN	0xc
+#define ERROR_OTPMK_HAMMING_ERROR	0xd
+#define ERROR_OTPMK_USER_MIN		0xe
+#define ERROR_OSPR1_ALREADY_BLOWN	0xf
+#define ERROR_OSPR1_WRITE		0x10
+#define ERROR_SC_ALREADY_BLOWN		0x11
+#define ERROR_SC_WRITE			0x12
+#define ERROR_POVDD_GPIO_FAIL		0x13
+#define ERROR_GPIO_SET_FAIL		0x14
+#define ERROR_GPIO_RESET_FAIL		0x15
+#define ERROR_OTPMK_SEC_DISABLED	0x16
+#define ERROR_OTPMK_SEC_ERROR		0x17
+#define ERROR_OTPMK_WRITE		0x19
+#define PLAT_ERROR_ENABLE_POVDD		0x20
+#define PLAT_ERROR_DISABLE_POVDD	0x21
+
+#endif /* SFP_ERROR_CODES_H */

drivers/nxp/timer/nxp_timer.c

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <drivers/delay_timer.h>
+#include <lib/mmio.h>
+#include <lib/utils_def.h>
+#include <nxp_timer.h>
+#include <plat/common/platform.h>
+
+static uintptr_t g_nxp_timer_addr;
+static timer_ops_t ops;
+
+uint64_t get_timer_val(uint64_t start)
+{
+	uint64_t cntpct;
+
+	isb();
+	cntpct = read_cntpct_el0();
+	return (cntpct * 1000ULL / read_cntfrq_el0() - start);
+}
+
+static uint32_t timer_get_value(void)
+{
+	uint64_t cntpct;
+
+	isb();
+	cntpct = read_cntpct_el0();
+#ifdef ERRATA_SOC_A008585
+	uint8_t	max_fetch_count = 10U;
+	/* This erratum number needs to be confirmed to match ARM document */
+	uint64_t temp;
+
+	isb();
+	temp = read_cntpct_el0();
+
+	while (temp != cntpct && max_fetch_count) {
+		isb();
+		cntpct = read_cntpct_el0();
+		isb();
+		temp = read_cntpct_el0();
+		max_fetch_count--;
+	}
+#endif
+
+	/*
+	 * Generic delay timer implementation expects the timer to be a down
+	 * counter. We apply bitwise NOT operator to the tick values returned
+	 * by read_cntpct_el0() to simulate the down counter. The value is
+	 * clipped from 64 to 32 bits.
+	 */
+	return (uint32_t)(~cntpct);
+}
+
+static void delay_timer_init_args(uint32_t mult, uint32_t div)
+{
+	ops.get_timer_value	= timer_get_value,
+	ops.clk_mult		= mult;
+	ops.clk_div		= div;
+
+	timer_init(&ops);
+
+	VERBOSE("Generic delay timer configured with mult=%u and div=%u\n",
+		mult, div);
+}
+
+/*
+ * Initialise the nxp on-chip free rolling usec counter as the delay
+ * timer.
+ */
+void delay_timer_init(uintptr_t nxp_timer_addr)
+{
+	/* Value in ticks */
+	unsigned int mult = MHZ_TICKS_PER_SEC;
+
+	unsigned int div;
+
+	unsigned int counter_base_frequency = plat_get_syscnt_freq2();
+
+	g_nxp_timer_addr = nxp_timer_addr;
+	/* Rounding off the Counter Frequency to MHZ_TICKS_PER_SEC */
+	if (counter_base_frequency > MHZ_TICKS_PER_SEC) {
+		counter_base_frequency = (counter_base_frequency
+					/ MHZ_TICKS_PER_SEC)
+					* MHZ_TICKS_PER_SEC;
+	} else {
+		counter_base_frequency = (counter_base_frequency
+					/ KHZ_TICKS_PER_SEC)
+					* KHZ_TICKS_PER_SEC;
+	}
+
+	/* Value in ticks per second (Hz) */
+	div = counter_base_frequency;
+
+	/* Reduce multiplier and divider by dividing them repeatedly by 10 */
+	while ((mult % 10U == 0U) && (div % 10U == 0U)) {
+		mult /= 10U;
+		div /= 10U;
+	}
+
+	/* Enable and initialize the System level generic timer */
+	mmio_write_32(g_nxp_timer_addr + CNTCR_OFF,
+			CNTCR_FCREQ(0) | CNTCR_EN);
+
+	delay_timer_init_args(mult, div);
+}
+
+
+#ifdef IMAGE_BL31
+/*******************************************************************************
+ * TBD: Configures access to the system counter timer module.
+ ******************************************************************************/
+void ls_configure_sys_timer(uintptr_t ls_sys_timctl_base,
+			    uint8_t ls_config_cntacr,
+			    uint8_t plat_ls_ns_timer_frame_id)
+{
+	unsigned int reg_val;
+
+	if (ls_config_cntacr == 1U) {
+		reg_val = (1U << CNTACR_RPCT_SHIFT) | (1U << CNTACR_RVCT_SHIFT);
+		reg_val |= (1U << CNTACR_RFRQ_SHIFT) | (1U << CNTACR_RVOFF_SHIFT);
+		reg_val |= (1U << CNTACR_RWVT_SHIFT) | (1U << CNTACR_RWPT_SHIFT);
+		mmio_write_32(ls_sys_timctl_base +
+		      CNTACR_BASE(plat_ls_ns_timer_frame_id), reg_val);
+		mmio_write_32(ls_sys_timctl_base, plat_get_syscnt_freq2());
+	}
+
+	reg_val = (1U << CNTNSAR_NS_SHIFT(plat_ls_ns_timer_frame_id));
+	mmio_write_32(ls_sys_timctl_base + CNTNSAR, reg_val);
+}
+
+void enable_init_timer(void)
+{
+	/* Enable and initialize the System level generic timer */
+	mmio_write_32(g_nxp_timer_addr + CNTCR_OFF,
+			CNTCR_FCREQ(0) | CNTCR_EN);
+}
+#endif

drivers/nxp/timer/nxp_timer.h

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#
+#ifndef NXP_TIMER_H
+#define NXP_TIMER_H
+
+ /* System Counter Offset and Bit Mask */
+#define SYS_COUNTER_CNTCR_OFFSET	0x0
+#define SYS_COUNTER_CNTCR_EN		0x00000001
+#define CNTCR_EN_MASK			0x1
+
+#ifndef __ASSEMBLER__
+uint64_t get_timer_val(uint64_t start);
+
+#ifdef IMAGE_BL31
+void ls_configure_sys_timer(uintptr_t ls_sys_timctl_base,
+			    uint8_t ls_config_cntacr,
+			    uint8_t plat_ls_ns_timer_frame_id);
+void enable_init_timer(void);
+#endif
+
+/*
+ * Initialise the nxp on-chip free rolling usec counter as the delay
+ * timer.
+ */
+void delay_timer_init(uintptr_t nxp_timer_addr);
+void ls_bl31_timer_init(uintptr_t nxp_timer_addr);
+#endif	/* __ASSEMBLER__ */
+
+#endif /* NXP_TIMER_H */

drivers/nxp/timer/timer.mk

+#
+# Copyright 2021 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+ifeq (${ADD_TIMER},)
+
+ADD_TIMER		:= 1
+
+TIMER_DRIVERS_PATH	:=  ${PLAT_DRIVERS_PATH}/timer
+
+PLAT_INCLUDES		+= -I$(TIMER_DRIVERS_PATH)
+TIMER_SOURCES	+= drivers/delay_timer/delay_timer.c	\
+			   $(PLAT_DRIVERS_PATH)/timer/nxp_timer.c
+
+ifeq (${BL_COMM_TIMER_NEEDED},yes)
+BL_COMMON_SOURCES	+= ${TIMER_SOURCES}
+else
+ifeq (${BL2_TIMER_NEEDED},yes)
+BL2_SOURCES		+= ${TIMER_SOURCES}
+endif
+ifeq (${BL31_TIMER_NEEDED},yes)
+BL31_SOURCES		+= ${TIMER_SOURCES}
+endif
+endif
+endif

drivers/nxp/tzc/plat_tzc400.c

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <common/debug.h>
+
+#include <plat_tzc400.h>
+
+#pragma weak populate_tzc400_reg_list
+
+#ifdef DEFAULT_TZASC_CONFIG
+/*
+ * Typical Memory map of DRAM0
+ *    |-----------NXP_NS_DRAM_ADDR ( = NXP_DRAM0_ADDR)----------|
+ *    |								|
+ *    |								|
+ *    |			Non-SECURE REGION			|
+ *    |								|
+ *    |								|
+ *    |								|
+ *    |------- (NXP_NS_DRAM_ADDR + NXP_NS_DRAM_SIZE - 1) -------|
+ *    |-----------------NXP_SECURE_DRAM_ADDR--------------------|
+ *    |								|
+ *    |								|
+ *    |								|
+ *    |			SECURE REGION (= 64MB)			|
+ *    |								|
+ *    |								|
+ *    |								|
+ *    |--- (NXP_SECURE_DRAM_ADDR + NXP_SECURE_DRAM_SIZE - 1)----|
+ *    |-----------------NXP_SP_SHRD_DRAM_ADDR-------------------|
+ *    |								|
+ *    |	       Secure EL1 Payload SHARED REGION (= 2MB)         |
+ *    |								|
+ *    |-----------(NXP_DRAM0_ADDR + NXP_DRAM0_SIZE - 1)---------|
+ *
+ *
+ *
+ * Typical Memory map of DRAM1
+ *    |---------------------NXP_DRAM1_ADDR----------------------|
+ *    |								|
+ *    |								|
+ *    |			Non-SECURE REGION			|
+ *    |								|
+ *    |								|
+ *    |---(NXP_DRAM1_ADDR + Dynamically calculated Size - 1) ---|
+ *
+ *
+ * Typical Memory map of DRAM2
+ *    |---------------------NXP_DRAM2_ADDR----------------------|
+ *    |								|
+ *    |								|
+ *    |			Non-SECURE REGION			|
+ *    |								|
+ *    |								|
+ *    |---(NXP_DRAM2_ADDR + Dynamically calculated Size - 1) ---|
+ */
+
+/*****************************************************************************
+ * This function sets up access permissions on memory regions
+ *
+ * Input:
+ *	tzc400_reg_list	: TZC400 Region List
+ *	dram_idx	: DRAM index
+ *	list_idx	: TZC400 Region List Index
+ *	dram_start_addr	: Start address of DRAM at dram_idx.
+ *	dram_size	: Size of DRAM at dram_idx.
+ *	secure_dram_sz	: Secure DRAM Size
+ *	shrd_dram_sz	: Shared DRAM Size
+ *
+ * Out:
+ *	list_idx	: last populated index + 1
+ *
+ ****************************************************************************/
+int populate_tzc400_reg_list(struct tzc400_reg *tzc400_reg_list,
+			     int dram_idx, int list_idx,
+			     uint64_t dram_start_addr,
+			     uint64_t dram_size,
+			     uint32_t secure_dram_sz,
+			     uint32_t shrd_dram_sz)
+{
+	if (list_idx == 0) {
+		/* No need to configure TZC Region 0 in this list.
+		 */
+		list_idx++;
+	}
+	/* Continue with list entries for index > 0 */
+	if (dram_idx == 0) {
+		/* TZC Region 1 on DRAM0 for Secure Memory*/
+		tzc400_reg_list[list_idx].reg_filter_en = 1;
+		tzc400_reg_list[list_idx].start_addr = dram_start_addr + dram_size;
+		tzc400_reg_list[list_idx].end_addr = dram_start_addr + dram_size
+						+ secure_dram_sz - 1;
+		tzc400_reg_list[list_idx].sec_attr = TZC_REGION_S_RDWR;
+		tzc400_reg_list[list_idx].nsaid_permissions = TZC_REGION_NS_NONE;
+		list_idx++;
+
+		/* TZC Region 2 on DRAM0 for Shared Memory*/
+		tzc400_reg_list[list_idx].reg_filter_en = 1;
+		tzc400_reg_list[list_idx].start_addr = dram_start_addr + dram_size
+							+ secure_dram_sz;
+		tzc400_reg_list[list_idx].end_addr = dram_start_addr + dram_size
+							+ secure_dram_sz
+							+ shrd_dram_sz
+							- 1;
+		tzc400_reg_list[list_idx].sec_attr = TZC_REGION_S_RDWR;
+		tzc400_reg_list[list_idx].nsaid_permissions = TZC_NS_ACCESS_ID;
+		list_idx++;
+
+		/* TZC Region 3 on DRAM0 for Non-Secure Memory*/
+		tzc400_reg_list[list_idx].reg_filter_en = 1;
+		tzc400_reg_list[list_idx].start_addr = dram_start_addr;
+		tzc400_reg_list[list_idx].end_addr = dram_start_addr + dram_size
+							- 1;
+		tzc400_reg_list[list_idx].sec_attr = TZC_REGION_S_RDWR;
+		tzc400_reg_list[list_idx].nsaid_permissions = TZC_NS_ACCESS_ID;
+		list_idx++;
+	} else {
+		/* TZC Region 3+i on DRAM(> 0) for Non-Secure Memory*/
+		tzc400_reg_list[list_idx].reg_filter_en = 1;
+		tzc400_reg_list[list_idx].start_addr = dram_start_addr;
+		tzc400_reg_list[list_idx].end_addr = dram_start_addr + dram_size
+							- 1;
+		tzc400_reg_list[list_idx].sec_attr = TZC_REGION_S_RDWR;
+		tzc400_reg_list[list_idx].nsaid_permissions = TZC_NS_ACCESS_ID;
+		list_idx++;
+	}
+
+	return list_idx;
+}
+#else
+int populate_tzc400_reg_list(struct tzc400_reg *tzc400_reg_list,
+			     int dram_idx, int list_idx,
+			     uint64_t dram_start_addr,
+			     uint64_t dram_size,
+			     uint32_t secure_dram_sz,
+			     uint32_t shrd_dram_sz)
+{
+	ERROR("tzc400_reg_list used is not a default list\n");
+	ERROR("%s needs to be over-written.\n", __func__);
+	return 0;
+}
+#endif	/* DEFAULT_TZASC_CONFIG */
+
+/*******************************************************************************
+ * Configure memory access permissions
+ *   - Region 0 with no access;
+ *   - Region 1 to 4 as per the tzc400_reg_list populated by
+ *     function populate_tzc400_reg_list() with default for all the SoC.
+ ******************************************************************************/
+void mem_access_setup(uintptr_t base, uint32_t total_regions,
+		      struct tzc400_reg *tzc400_reg_list)
+{
+	uint32_t list_indx = 0U;
+
+	INFO("Configuring TrustZone Controller\n");
+
+	tzc400_init(base);
+
+	/* Disable filters. */
+	tzc400_disable_filters();
+
+	/* Region 0 set to no access by default */
+	tzc400_configure_region0(TZC_REGION_S_NONE, 0U);
+
+	for (list_indx = 1U; list_indx < total_regions; list_indx++) {
+		tzc400_configure_region(
+			tzc400_reg_list[list_indx].reg_filter_en,
+			list_indx,
+			tzc400_reg_list[list_indx].start_addr,
+			tzc400_reg_list[list_indx].end_addr,
+			tzc400_reg_list[list_indx].sec_attr,
+			tzc400_reg_list[list_indx].nsaid_permissions);
+	}
+
+	/*
+	 * Raise an exception if a NS device tries to access secure memory
+	 * TODO: Add interrupt handling support.
+	 */
+	tzc400_set_action(TZC_ACTION_ERR);
+
+	/* Enable filters. */
+	tzc400_enable_filters();
+}

drivers/nxp/tzc/plat_tzc400.h

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#if !defined(PLAT_TZC400_H) && defined(IMAGE_BL2)
+#define PLAT_TZC400_H
+
+#include <tzc400.h>
+
+/* Structure to configure TZC Regions' boundaries and attributes. */
+struct tzc400_reg {
+	uint8_t reg_filter_en;
+	unsigned long long start_addr;
+	unsigned long long end_addr;
+	unsigned int sec_attr;
+	unsigned int nsaid_permissions;
+};
+
+#define TZC_REGION_NS_NONE	0x00000000U
+
+/* NXP Platforms do not support NS Access ID (NSAID) based non-secure access.
+ * Supports only non secure through generic NS ACCESS ID
+ */
+#define TZC_NS_ACCESS_ID	0xFFFFFFFFU
+
+/* Number of DRAM regions to be configured
+ * for the platform can be over-written.
+ *
+ * Array tzc400_reg_list too, needs be over-written
+ * if there is any changes to default DRAM region
+ * configuration.
+ */
+#ifndef MAX_NUM_TZC_REGION
+/* 3 regions:
+ *  Region 0(default),
+ *  Region 1 (DRAM0, Secure Memory),
+ *  Region 2 (DRAM0, Shared memory)
+ */
+#define MAX_NUM_TZC_REGION	NUM_DRAM_REGIONS + 3
+#define DEFAULT_TZASC_CONFIG	1
+#endif
+
+void mem_access_setup(uintptr_t base, uint32_t total_regions,
+		      struct tzc400_reg *tzc400_reg_list);
+int populate_tzc400_reg_list(struct tzc400_reg *tzc400_reg_list,
+			     int dram_idx, int list_idx,
+			     uint64_t dram_start_addr,
+			     uint64_t dram_size,
+			     uint32_t secure_dram_sz,
+			     uint32_t shrd_dram_sz);
+
+#endif /* PLAT_TZC400_H */

drivers/nxp/tzc/tzc.mk

+#
+# Copyright 2021 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+ifeq (${ADD_TZASC},)
+
+ADD_TZASC		:= 1
+
+TZASC_DRIVERS_PATH	:=  ${PLAT_DRIVERS_PATH}/tzc
+
+PLAT_INCLUDES		+= -I$(TZASC_DRIVERS_PATH)
+
+ifeq ($(TZC_ID), TZC400)
+TZASC_SOURCES		+= drivers/arm/tzc/tzc400.c\
+			   $(TZASC_DRIVERS_PATH)/plat_tzc400.c
+else ifeq ($(TZC_ID), NONE)
+    $(info -> No TZC present on platform)
+else
+    $(error -> TZC type not set!)
+endif
+
+ifeq (${BL_COMM_TZASC_NEEDED},yes)
+BL_COMMON_SOURCES	+= ${TZASC_SOURCES}
+else
+ifeq (${BL2_TZASC_NEEDED},yes)
+BL2_SOURCES		+= ${TZASC_SOURCES}
+endif
+ifeq (${BL31_TZASC_NEEDED},yes)
+BL31_SOURCES		+= ${TZASC_SOURCES}
+endif
+endif
+
+endif

include/common/tbbr/cot_def.h

@@ -7,6 +7,10 @@
 #ifndef COT_DEF_H
 #define COT_DEF_H
 
+#ifdef MBEDTLS_CONFIG_FILE
+#include MBEDTLS_CONFIG_FILE
+#endif
+
 /* TBBR CoT definitions */
 #if defined(SPD_spmd)
 #define COT_MAX_VERIFIED_PARAMS		8

include/common/tbbr/tbbr_img_def.h

 /*
- * Copyright (c) 2015-2019, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -21,9 +21,17 @@
 #define SP_PKG7_ID			(MAX_IMAGE_IDS + 8)
 #define SP_PKG8_ID			(MAX_IMAGE_IDS + 9)
 #define MAX_SP_IDS			U(8)
-#define MAX_NUMBER_IDS			(MAX_IMAGE_IDS + MAX_SP_IDS + U(2))
+#define MAX_IMG_IDS_WITH_SPMDS		(MAX_IMAGE_IDS + MAX_SP_IDS + U(2))
 #else
-#define MAX_NUMBER_IDS			MAX_IMAGE_IDS
+#define MAX_IMG_IDS_WITH_SPMDS		MAX_IMAGE_IDS
+#endif
+
+#ifdef PLAT_TBBR_IMG_DEF
+#include <plat_tbbr_img_def.h>
+#endif
+
+#ifndef MAX_NUMBER_IDS
+#define MAX_NUMBER_IDS			MAX_IMG_IDS_WITH_SPMDS
 #endif
 
 #endif /* TBBR_IMG_DEF_H */