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/gic/include/gicv2/plat_gic.h

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef PLAT_GICV2_H
+#define PLAT_GICV2_H
+
+#include <drivers/arm/gicv2.h>
+
+ /* register offsets */
+#define GICD_CTLR_OFFSET          0x0
+#define GICD_CPENDSGIR3_OFFSET    0xF1C
+#define GICD_SPENDSGIR3_OFFSET    0xF2C
+#define GICD_SGIR_OFFSET          0xF00
+#define GICD_IGROUPR0_OFFSET      0x080
+#define GICD_TYPER_OFFSET         0x0004
+#define GICD_ISENABLER0_OFFSET    0x0100
+#define GICD_ICENABLER0_OFFSET    0x0180
+#define GICD_IPRIORITYR3_OFFSET   0x040C
+#define GICD_ISENABLERn_OFFSET    0x0100
+#define GICD_ISACTIVER0_OFFSET    0x300
+
+#define GICC_CTLR_OFFSET          0x0
+#define GICC_PMR_OFFSET           0x0004
+#define GICC_IAR_OFFSET           0x000C
+#define GICC_DIR_OFFSET           0x1000
+#define GICC_EOIR_OFFSET          0x0010
+
+ /* bitfield masks */
+#define GICC_CTLR_EN_GRP0           0x1
+#define GICC_CTLR_EN_GRP1           0x2
+#define GICC_CTLR_EOImodeS_MASK     0x200
+#define GICC_CTLR_DIS_BYPASS        0x60
+#define GICC_CTLR_CBPR_MASK         0x10
+#define GICC_CTLR_FIQ_EN_MASK       0x8
+#define GICC_CTLR_ACKCTL_MASK       0x4
+#define GICC_PMR_FILTER             0xFF
+
+#define GICD_CTLR_EN_GRP0           0x1
+#define GICD_CTLR_EN_GRP1           0x2
+#define GICD_IGROUP0_SGI15          0x8000
+#define GICD_ISENABLE0_SGI15        0x8000
+#define GICD_ICENABLE0_SGI15        0x8000
+#define GICD_ISACTIVER0_SGI15       0x8000
+#define GICD_CPENDSGIR_CLR_MASK     0xFF000000
+#define GICD_IPRIORITY_SGI15_MASK   0xFF000000
+#define GICD_SPENDSGIR3_SGI15_MASK  0xFF000000
+#define GICD_SPENDSGIR3_SGI15_OFFSET  0x18
+
+#ifndef __ASSEMBLER__
+
+/* GIC common API's */
+void plat_ls_gic_driver_init(const uintptr_t nxp_gicd_addr,
+			     const uintptr_t nxp_gicc_addr,
+			     uint8_t plat_core_count,
+			     interrupt_prop_t *ls_interrupt_props,
+			     uint8_t ls_interrupt_prop_count,
+			     uint32_t *target_mask_array);
+void plat_ls_gic_init(void);
+void plat_ls_gic_cpuif_enable(void);
+void plat_ls_gic_cpuif_disable(void);
+void plat_ls_gic_redistif_on(void);
+void plat_ls_gic_redistif_off(void);
+void plat_gic_pcpu_init(void);
+/* GIC utility functions */
+void get_gic_offset(uint32_t *gicc_base, uint32_t *gicd_base);
+#endif
+
+#endif /* PLAT_GICV2_H */

drivers/nxp/gic/include/gicv3/plat_gic.h

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef PLAT_GICV3_H
+#define PLAT_GICV3_H
+
+#include <drivers/arm/gicv3.h>
+
+ /* offset between redistributors */
+#define GIC_RD_OFFSET       0x00020000
+ /* offset between SGI's */
+#define GIC_SGI_OFFSET      0x00020000
+ /* offset from rd base to sgi base */
+#define GIC_RD_2_SGI_OFFSET 0x00010000
+
+ /* register offsets */
+#define GICD_CTLR_OFFSET        0x0
+#define GICD_CLR_SPI_SR         0x58
+#define GICD_IGROUPR_2          0x88
+#define GICD_ISENABLER_2        0x108
+#define GICD_ICENABLER_2        0x188
+#define GICD_ICPENDR_2          0x288
+#define GICD_ICACTIVER_2        0x388
+#define GICD_IPRIORITYR_22      0x458
+#define GICD_ICFGR_5            0xC14
+#define GICD_IGRPMODR_2         0xD08
+
+#define GICD_IROUTER60_OFFSET   0x61e0
+#define GICD_IROUTER76_OFFSET   0x6260
+#define GICD_IROUTER89_OFFSET   0x62C8
+#define GICD_IROUTER112_OFFSET  0x6380
+#define GICD_IROUTER113_OFFSET  0x6388
+
+#define GICR_ICENABLER0_OFFSET  0x180
+#define GICR_CTLR_OFFSET        0x0
+#define GICR_IGROUPR0_OFFSET    0x80
+#define GICR_IGRPMODR0_OFFSET   0xD00
+#define GICR_IPRIORITYR3_OFFSET 0x40C
+#define GICR_ICPENDR0_OFFSET    0x280
+#define GICR_ISENABLER0_OFFSET  0x100
+#define GICR_TYPER_OFFSET       0x8
+#define GICR_WAKER_OFFSET       0x14
+#define GICR_ICACTIVER0_OFFSET  0x380
+#define GICR_ICFGR0_OFFSET      0xC00
+
+ /* bitfield masks */
+#define GICD_CTLR_EN_GRP_MASK   0x7
+#define GICD_CTLR_EN_GRP_1NS    0x2
+#define GICD_CTLR_EN_GRP_1S     0x4
+#define GICD_CTLR_EN_GRP_0      0x1
+#define GICD_CTLR_ARE_S_MASK    0x10
+#define GICD_CTLR_RWP           0x80000000
+
+#define GICR_ICENABLER0_SGI15   0x00008000
+#define GICR_CTLR_RWP           0x8
+#define GICR_CTLR_DPG0_MASK     0x2000000
+#define GICR_IGROUPR0_SGI15     0x00008000
+#define GICR_IGRPMODR0_SGI15    0x00008000
+#define GICR_ISENABLER0_SGI15   0x00008000
+#define GICR_IPRIORITYR3_SGI15_MASK  0xFF000000
+#define GICR_ICPENDR0_SGI15     0x8000
+
+#define GIC_SPI_89_MASK         0x02000000
+#define GIC_SPI89_PRIORITY_MASK 0xFF00
+#define GIC_IRM_SPI89           0x80000000
+
+#define GICD_IROUTER_VALUE      0x100
+#define GICR_WAKER_SLEEP_BIT    0x2
+#define GICR_WAKER_ASLEEP       (1 << 2 | 1 << 1)
+
+#define ICC_SRE_EL3_SRE          0x1
+#define ICC_IGRPEN0_EL1_EN       0x1
+#define ICC_CTLR_EL3_CBPR_EL1S   0x1
+#define ICC_CTLR_EL3_RM          0x20
+#define ICC_CTLR_EL3_EOIMODE_EL3 0x4
+#define ICC_CTLR_EL3_PMHE        0x40
+#define ICC_PMR_EL1_P_FILTER     0xFF
+#define ICC_IAR0_EL1_SGI15       0xF
+#define ICC_SGI0R_EL1_INTID      0x0F000000
+#define ICC_IAR0_INTID_SPI_89    0x59
+
+#define  ICC_IGRPEN1_EL1 S3_0_C12_C12_7
+#define  ICC_PMR_EL1     S3_0_C4_C6_0
+#define  ICC_SRE_EL3     S3_6_C12_C12_5
+#define  ICC_CTLR_EL3    S3_6_C12_C12_4
+#define  ICC_SRE_EL2     S3_4_C12_C9_5
+#define  ICC_CTLR_EL1    S3_0_C12_C12_4
+
+#ifndef __ASSEMBLER__
+
+/* GIC common API's */
+typedef unsigned int (*my_core_pos_fn)(void);
+
+void plat_ls_gic_driver_init(const uintptr_t nxp_gicd_addr,
+			     const uintptr_t nxp_gicr_addr,
+			     uint8_t plat_core_count,
+			     interrupt_prop_t *ls_interrupt_props,
+			     uint8_t ls_interrupt_prop_count,
+			     uintptr_t *target_mask_array,
+			     mpidr_hash_fn mpidr_to_core_pos);
+//void plat_ls_gic_driver_init(void);
+void plat_ls_gic_init(void);
+void plat_ls_gic_cpuif_enable(void);
+void plat_ls_gic_cpuif_disable(void);
+void plat_ls_gic_redistif_on(void);
+void plat_ls_gic_redistif_off(void);
+void plat_gic_pcpu_init(void);
+#endif
+
+#endif /* PLAT_GICV3_H */

drivers/nxp/gic/ls_gicv2.c

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <gicv2.h>
+#include <plat_gic.h>
+
+
+/*
+ * NXP common helper to initialize the GICv3 only driver.
+ */
+void plat_ls_gic_driver_init(uintptr_t nxp_gicd_addr,
+			     uintptr_t nxp_gicc_addr,
+			     uint8_t plat_core_count,
+			     interrupt_prop_t *ls_interrupt_props,
+			     uint8_t ls_interrupt_prop_count,
+			     uint32_t *target_mask_array)
+{
+	static struct gicv2_driver_data ls_gic_data;
+
+	ls_gic_data.gicd_base = nxp_gicd_addr;
+	ls_gic_data.gicc_base = nxp_gicc_addr;
+	ls_gic_data.target_masks = target_mask_array;
+	ls_gic_data.target_masks_num = plat_core_count;
+	ls_gic_data.interrupt_props = ls_interrupt_props;
+	ls_gic_data.interrupt_props_num = ls_interrupt_prop_count;
+
+	gicv2_driver_init(&ls_gic_data);
+}
+
+void plat_ls_gic_init(void)
+{
+	gicv2_distif_init();
+	gicv2_pcpu_distif_init();
+	gicv2_cpuif_enable();
+}
+
+/******************************************************************************
+ * ARM common helper to enable the GICv2 CPU interface
+ *****************************************************************************/
+void plat_ls_gic_cpuif_enable(void)
+{
+	gicv2_cpuif_enable();
+}
+
+/******************************************************************************
+ * ARM common helper to disable the GICv2 CPU interface
+ *****************************************************************************/
+void plat_ls_gic_cpuif_disable(void)
+{
+	gicv2_cpuif_disable();
+}
+
+/******************************************************************************
+ * NXP common helper to initialize GICv2 per cpu
+ *****************************************************************************/
+void plat_gic_pcpu_init(void)
+{
+	gicv2_pcpu_distif_init();
+	gicv2_cpuif_enable();
+}
+
+/******************************************************************************
+ * Stubs for Redistributor power management. Although GICv2 doesn't have
+ * Redistributor interface, these are provided for the sake of uniform GIC API
+ *****************************************************************************/
+void plat_ls_gic_redistif_on(void)
+{
+}
+
+void plat_ls_gic_redistif_off(void)
+{
+}

drivers/nxp/gic/ls_gicv3.c

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <drivers/arm/gicv3.h>
+#include <plat_gic.h>
+#include <plat/common/platform.h>
+
+/*
+ * NXP common helper to initialize the GICv3 only driver.
+ */
+void plat_ls_gic_driver_init(uintptr_t nxp_gicd_addr,
+			     uintptr_t nxp_gicr_addr,
+			     uint8_t plat_core_count,
+			     interrupt_prop_t *ls_interrupt_props,
+			     uint8_t ls_interrupt_prop_count,
+			     uintptr_t *target_mask_array,
+			     mpidr_hash_fn mpidr_to_core_pos)
+{
+	static struct gicv3_driver_data ls_gic_data;
+
+	ls_gic_data.gicd_base = nxp_gicd_addr;
+	ls_gic_data.gicr_base = nxp_gicr_addr;
+	ls_gic_data.interrupt_props = ls_interrupt_props;
+	ls_gic_data.interrupt_props_num = ls_interrupt_prop_count;
+	ls_gic_data.rdistif_num = plat_core_count;
+	ls_gic_data.rdistif_base_addrs = target_mask_array;
+	ls_gic_data.mpidr_to_core_pos = mpidr_to_core_pos;
+
+	gicv3_driver_init(&ls_gic_data);
+}
+
+void plat_ls_gic_init(void)
+{
+	gicv3_distif_init();
+	gicv3_rdistif_init(plat_my_core_pos());
+	gicv3_cpuif_enable(plat_my_core_pos());
+}
+
+/*
+ * NXP common helper to enable the GICv3 CPU interface
+ */
+void plat_ls_gic_cpuif_enable(void)
+{
+	gicv3_cpuif_enable(plat_my_core_pos());
+}
+
+/*
+ * NXP common helper to disable the GICv3 CPU interface
+ */
+void plat_ls_gic_cpuif_disable(void)
+{
+	gicv3_cpuif_disable(plat_my_core_pos());
+}
+
+/*
+ * NXP common helper to initialize the per cpu distributor interface in GICv3
+ */
+void plat_gic_pcpu_init(void)
+{
+	gicv3_rdistif_init(plat_my_core_pos());
+	gicv3_cpuif_enable(plat_my_core_pos());
+}
+
+/*
+ * Stubs for Redistributor power management. Although GICv3 doesn't have
+ * Redistributor interface, these are provided for the sake of uniform GIC API
+ */
+void plat_ls_gic_redistif_on(void)
+{
+}
+
+void plat_ls_gic_redistif_off(void)
+{
+}

drivers/nxp/gpio/gpio.mk

+#
+# Copyright 2021 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#-----------------------------------------------------------------------------
+
+ifeq (${GPIO_ADDED},)
+
+GPIO_ADDED		:= 1
+
+GPIO_DRIVERS_PATH	:=  drivers/nxp/gpio
+
+PLAT_INCLUDES		+=  -I$(GPIO_DRIVERS_PATH)
+
+GPIO_SOURCES		:= $(GPIO_DRIVERS_PATH)/nxp_gpio.c
+
+ifeq (${BL_COMM_GPIO_NEEDED},yes)
+BL_COMMON_SOURCES	+= ${GPIO_SOURCES}
+else
+ifeq (${BL2_GPIO_NEEDED},yes)
+BL2_SOURCES		+= ${GPIO_SOURCES}
+endif
+ifeq (${BL31_GPIO_NEEDED},yes)
+BL31_SOURCES		+= ${GPIO_SOURCES}
+endif
+endif
+
+endif
+#------------------------------------------------

drivers/nxp/gpio/nxp_gpio.c

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <common/debug.h>
+#include <lib/mmio.h>
+#include <nxp_gpio.h>
+
+static gpio_init_info_t *gpio_init_info;
+
+void gpio_init(gpio_init_info_t *gpio_init_data)
+{
+	gpio_init_info = gpio_init_data;
+}
+
+/* This function set GPIO pin for raising POVDD. */
+int set_gpio_bit(uint32_t *gpio_base_addr,
+		 uint32_t bit_num)
+{
+	uint32_t val = 0U;
+	uint32_t *gpdir = NULL;
+	uint32_t *gpdat = NULL;
+
+	if (gpio_init_info == NULL) {
+		ERROR("GPIO is not initialized.\n");
+		return GPIO_FAILURE;
+	}
+
+	gpdir = gpio_base_addr + GPDIR_REG_OFFSET;
+	gpdat = gpio_base_addr + (GPDAT_REG_OFFSET >> 2);
+
+	/*
+	 * Set the corresponding bit in direction register
+	 * to configure the GPIO as output.
+	 */
+	val = gpio_read32(gpdir);
+	val = val | bit_num;
+	gpio_write32(gpdir, val);
+
+	/* Set the corresponding bit in GPIO data register */
+	val = gpio_read32(gpdat);
+	val = val | bit_num;
+	gpio_write32(gpdat, val);
+
+	val = gpio_read32(gpdat);
+
+	if ((val & bit_num) == 0U) {
+		return GPIO_FAILURE;
+	}
+
+	return GPIO_SUCCESS;
+}
+
+/* This function reset GPIO pin set for raising POVDD. */
+int clr_gpio_bit(uint32_t *gpio_base_addr, uint32_t bit_num)
+{
+	uint32_t val = 0U;
+	uint32_t *gpdir = NULL;
+	uint32_t *gpdat = NULL;
+
+
+	if (gpio_init_info == NULL) {
+		ERROR("GPIO is not initialized.\n");
+		return GPIO_FAILURE;
+	}
+
+	gpdir = gpio_base_addr + GPDIR_REG_OFFSET;
+	gpdat = gpio_base_addr + GPDAT_REG_OFFSET;
+
+	/*
+	 * Reset the corresponding bit in direction and data register
+	 * to configure the GPIO as input.
+	 */
+	val = gpio_read32(gpdat);
+	val = val & ~(bit_num);
+	gpio_write32(gpdat, val);
+
+	val = gpio_read32(gpdat);
+
+	val = gpio_read32(gpdir);
+	val = val & ~(bit_num);
+	gpio_write32(gpdir, val);
+
+	val = gpio_read32(gpdat);
+
+	if ((val & bit_num) != 0U) {
+		return GPIO_FAILURE;
+	}
+
+	return GPIO_SUCCESS;
+}
+
+uint32_t *select_gpio_n_bitnum(uint32_t povdd_gpio, uint32_t *bit_num)
+{
+	uint32_t *ret_gpio;
+	uint32_t povdd_gpio_val = 0U;
+	uint32_t gpio_num = 0U;
+
+	if (gpio_init_info == NULL) {
+		ERROR("GPIO is not initialized.\n");
+	}
+	/*
+	 * Subtract 1 from fuse_hdr povdd_gpio value as
+	 * for 0x1 value, bit 0 is to be set
+	 * for 0x20 value i.e 32, bit 31 i.e. 0x1f is to be set.
+	 * 0x1f - 0x00 : GPIO_1
+	 * 0x3f - 0x20 : GPIO_2
+	 * 0x5f - 0x40 : GPIO_3
+	 * 0x7f - 0x60 : GPIO_4
+	 */
+	povdd_gpio_val = (povdd_gpio - 1U) & GPIO_SEL_MASK;
+
+	/* Right shift by 5 to divide by 32 */
+	gpio_num = povdd_gpio_val >> GPIO_ID_BASE_ADDR_SHIFT;
+	*bit_num = 1U << (GPIO_BITS_PER_BASE_REG
+			  - (povdd_gpio_val & GPIO_BIT_MASK)
+			  - 1U);
+
+	switch (gpio_num) {
+	case GPIO_0:
+		ret_gpio = (uint32_t *) gpio_init_info->gpio1_base_addr;
+		break;
+	case GPIO_1:
+		ret_gpio = (uint32_t *) gpio_init_info->gpio2_base_addr;
+		break;
+	case GPIO_2:
+		ret_gpio = (uint32_t *) gpio_init_info->gpio3_base_addr;
+		break;
+	case GPIO_3:
+		ret_gpio = (uint32_t *) gpio_init_info->gpio4_base_addr;
+		break;
+	default:
+		ret_gpio = NULL;
+	}
+
+	if (ret_gpio == NULL) {
+		INFO("GPIO_NUM = %d doesn't exist.\n", gpio_num);
+	}
+
+	return ret_gpio;
+}

drivers/nxp/gpio/nxp_gpio.h

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef PLAT_GPIO_H
+#define PLAT_GPIO_H
+
+#include <endian.h>
+#include <lib/mmio.h>
+
+/* GPIO Register offset */
+#define GPIO_SEL_MASK		0x7F
+#define GPIO_BIT_MASK		0x1F
+#define GPDIR_REG_OFFSET	0x0
+#define GPDAT_REG_OFFSET	0x8
+
+#define GPIO_ID_BASE_ADDR_SHIFT 5U
+#define GPIO_BITS_PER_BASE_REG	32U
+
+#define GPIO_0			0
+#define GPIO_1			1
+#define GPIO_2			2
+#define GPIO_3			3
+
+#define GPIO_SUCCESS		0x0
+#define GPIO_FAILURE		0x1
+
+#ifdef NXP_GPIO_BE
+#define gpio_read32(a)           bswap32(mmio_read_32((uintptr_t)(a)))
+#define gpio_write32(a, v)       mmio_write_32((uintptr_t)(a), bswap32(v))
+#elif defined(NXP_GPIO_LE)
+#define gpio_read32(a)           mmio_read_32((uintptr_t)(a))
+#define gpio_write32(a, v)       mmio_write_32((uintptr_t)(a), (v))
+#else
+#error Please define GPIO register endianness
+#endif
+
+typedef struct {
+	uintptr_t gpio1_base_addr;
+	uintptr_t gpio2_base_addr;
+	uintptr_t gpio3_base_addr;
+	uintptr_t gpio4_base_addr;
+} gpio_init_info_t;
+
+void gpio_init(gpio_init_info_t *gpio_init_data);
+uint32_t *select_gpio_n_bitnum(uint32_t povdd_gpio, uint32_t *bit_num);
+int clr_gpio_bit(uint32_t *gpio_base_addr, uint32_t bit_num);
+int set_gpio_bit(uint32_t *gpio_base_addr, uint32_t bit_num);
+
+#endif /* PLAT_GPIO_H */

drivers/nxp/i2c/i2c.c

+/*
+ * Copyright 2016-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <errno.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <common/debug.h>
+#include <drivers/delay_timer.h>
+#include "i2c.h"
+#include <nxp_timer.h>
+
+static uintptr_t g_nxp_i2c_addr;
+
+void i2c_init(uintptr_t nxp_i2c_addr)
+{
+	struct ls_i2c *ccsr_i2c = (void *)nxp_i2c_addr;
+
+	g_nxp_i2c_addr = nxp_i2c_addr;
+	/* Presume workaround for erratum a009203 applied */
+	i2c_out(&ccsr_i2c->cr, I2C_CR_DIS);
+	i2c_out(&ccsr_i2c->fd, I2C_FD_CONSERV);
+	i2c_out(&ccsr_i2c->sr, I2C_SR_RST);
+	i2c_out(&ccsr_i2c->cr, I2C_CR_EN);
+}
+
+static int wait_for_state(struct ls_i2c *ccsr_i2c,
+			  unsigned char state, unsigned char mask)
+{
+	unsigned char sr;
+	uint64_t start_time = get_timer_val(0);
+	uint64_t timer;
+
+	do {
+		sr = i2c_in(&ccsr_i2c->sr);
+		if (sr & I2C_SR_AL) {
+			i2c_out(&ccsr_i2c->sr, sr);
+			WARN("I2C arbitration lost\n");
+			return -EIO;
+		}
+		if ((sr & mask) == state) {
+			return (int)sr;
+		}
+
+		timer = get_timer_val(start_time);
+		if (timer > I2C_TIMEOUT)
+			break;
+		mdelay(1);
+	} while (1);
+	WARN("I2C: Timeout waiting for state 0x%x, sr = 0x%x\n", state, sr);
+
+	return -ETIMEDOUT;
+}
+
+static int tx_byte(struct ls_i2c *ccsr_i2c, unsigned char c)
+{
+	int ret;
+
+	i2c_out(&ccsr_i2c->sr, I2C_SR_IF);
+	i2c_out(&ccsr_i2c->dr, c);
+	ret = wait_for_state(ccsr_i2c, I2C_SR_IF, I2C_SR_IF);
+	if (ret < 0) {
+		WARN("%s: state error\n", __func__);
+		return ret;
+	}
+	if (ret & I2C_SR_RX_NAK) {
+		WARN("%s: nodev\n", __func__);
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+static int gen_stop(struct ls_i2c *ccsr_i2c)
+{
+	unsigned char cr;
+	int ret;
+
+	cr = i2c_in(&ccsr_i2c->cr);
+	cr &= ~(I2C_CR_MA | I2C_CR_TX);
+	i2c_out(&ccsr_i2c->cr, cr);
+	ret = wait_for_state(ccsr_i2c, I2C_SR_IDLE, I2C_SR_BB);
+	if (ret < 0) {
+		WARN("I2C: Generating stop failed.\n");
+	}
+	return ret;
+}
+
+static int i2c_write_addr(struct ls_i2c *ccsr_i2c, unsigned char chip,
+			  int addr, int alen)
+{
+	int ret;
+	unsigned char cr;
+
+	if (alen != 1) {
+		WARN("I2C: Unsupported address len [%d]\n", alen);
+		return -EIO;
+	}
+
+	if (i2c_in(&ccsr_i2c->ad) == (chip << 1)) {
+		WARN("I2C: slave address same as self\n");
+		return -ENODEV;
+	}
+	i2c_out(&ccsr_i2c->sr, I2C_SR_IF);
+	ret = wait_for_state(ccsr_i2c, I2C_SR_IDLE, I2C_SR_BB);
+	if (ret < 0) {
+		return ret;
+	}
+
+	cr = i2c_in(&ccsr_i2c->cr);
+	cr |= I2C_CR_MA;
+	i2c_out(&ccsr_i2c->cr, cr);
+	ret = wait_for_state(ccsr_i2c, I2C_SR_BB, I2C_SR_BB);
+	if (ret < 0) {
+		return ret;
+	}
+
+	VERBOSE("Before writing chip %d\n", chip);
+	cr |= I2C_CR_TX | I2C_CR_TX_NAK;
+	i2c_out(&ccsr_i2c->cr, cr);
+	ret = tx_byte(ccsr_i2c, chip << 1);
+	if (ret < 0) {
+		gen_stop(ccsr_i2c);
+		return ret;
+	}
+
+	VERBOSE("Before writing addr\n");
+	while (alen--) {
+		ret = tx_byte(ccsr_i2c, (addr >> (alen << 3)) & 0xff);
+		if (ret < 0) {
+			gen_stop(ccsr_i2c);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+static int read_data(struct ls_i2c *ccsr_i2c, unsigned char chip,
+		     unsigned char *buf, int len)
+{
+	int i;
+	int ret;
+	unsigned char cr;
+
+	cr = i2c_in(&ccsr_i2c->cr);
+	cr &= ~(I2C_CR_TX | I2C_CR_TX_NAK);
+	if (len == 1) {
+		cr |= I2C_CR_TX_NAK;
+	}
+	i2c_out(&ccsr_i2c->cr, cr);
+	i2c_out(&ccsr_i2c->sr, I2C_SR_IF);
+	i2c_in(&ccsr_i2c->dr);	/* dummy read */
+	for (i = 0; i < len; i++) {
+		ret = wait_for_state(ccsr_i2c, I2C_SR_IF, I2C_SR_IF);
+		if (ret < 0) {
+			gen_stop(ccsr_i2c);
+			return ret;
+		}
+		if (i == (len - 1)) {
+			gen_stop(ccsr_i2c);
+		} else if (i == (len - 2)) {
+			/* Updating the command to send
+			 * No ACK.
+			 */
+			cr = i2c_in(&ccsr_i2c->cr);
+			cr |= I2C_CR_TX_NAK;
+			i2c_out(&ccsr_i2c->cr, cr);
+		}
+		i2c_out(&ccsr_i2c->sr, I2C_SR_IF);
+		buf[i] = i2c_in(&ccsr_i2c->dr);
+	}
+
+	return 0;
+}
+
+static int write_data(struct ls_i2c *ccsr_i2c, unsigned char chip,
+		      const unsigned char *buf, int len)
+{
+	int i;
+	int ret;
+
+	for (i = 0; i < len; i++) {
+		ret = tx_byte(ccsr_i2c, buf[i]);
+		if (ret < 0) {
+			break;
+		}
+	}
+	ret = gen_stop(ccsr_i2c);
+
+	return ret;
+}
+
+
+int i2c_read(unsigned char chip, int addr, int alen,
+	     unsigned char *buf, int len)
+{
+	int ret;
+	unsigned char cr;
+	struct ls_i2c *ccsr_i2c = (void *)g_nxp_i2c_addr;
+
+	ret = i2c_write_addr(ccsr_i2c, chip, addr, alen);
+	if (ret < 0) {
+		gen_stop(ccsr_i2c);
+		return ret;
+	}
+
+	cr = i2c_in(&ccsr_i2c->cr);
+	cr |= I2C_CR_RSTA;
+	i2c_out(&ccsr_i2c->cr, cr);
+
+	ret = tx_byte(ccsr_i2c, (chip << 1) | 1);
+	if (ret < 0) {
+		gen_stop(ccsr_i2c);
+		return ret;
+	}
+
+	return read_data(ccsr_i2c, chip, buf, len);
+}
+
+int i2c_write(unsigned char chip, int addr, int alen,
+	      const unsigned char *buf, int len)
+{
+	int ret;
+	struct ls_i2c *ccsr_i2c = (void *)g_nxp_i2c_addr;
+
+	ret = i2c_write_addr(ccsr_i2c, chip, addr, alen);
+	if (ret < 0) {
+		return ret;
+	}
+
+	return write_data(ccsr_i2c, chip, buf, len);
+}
+
+int i2c_probe_chip(unsigned char chip)
+{
+	int ret;
+	struct ls_i2c *ccsr_i2c = (void *)g_nxp_i2c_addr;
+
+	ret = i2c_write_addr(ccsr_i2c, chip, 0, 0);
+	if (ret < 0) {
+		WARN("write addr failed\n");
+		return ret;
+	}
+
+	ret = gen_stop(ccsr_i2c);
+	if (ret < 0) {
+		WARN("I2C: Probe not complete.\n");
+	}
+
+	return ret;
+}

drivers/nxp/i2c/i2c.h

+/*
+ * Copyright 2016-2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+
+#ifndef I2C_H
+#define I2C_H
+
+#include <lib/mmio.h>
+
+#define I2C_TIMEOUT	1000	/* ms */
+
+#define I2C_FD_CONSERV	0x7e
+#define I2C_CR_DIS	(1 << 7)
+#define I2C_CR_EN	(0 << 7)
+#define I2C_CR_MA	(1 << 5)
+#define I2C_CR_TX	(1 << 4)
+#define I2C_CR_TX_NAK	(1 << 3)
+#define I2C_CR_RSTA	(1 << 2)
+#define I2C_SR_BB	(1 << 5)
+#define I2C_SR_IDLE	(0 << 5)
+#define I2C_SR_AL	(1 << 4)
+#define I2C_SR_IF	(1 << 1)
+#define I2C_SR_RX_NAK	(1 << 0)
+#define I2C_SR_RST	(I2C_SR_AL | I2C_SR_IF)
+
+#define I2C_GLITCH_EN	0x8
+
+#define i2c_in(a)	mmio_read_8((uintptr_t)(a))
+#define i2c_out(a, v)	mmio_write_8((uintptr_t)(a), (v))
+
+struct ls_i2c {
+	unsigned char ad;	/* I2c Bus Address Register */
+	unsigned char fd;	/* I2c Bus Frequency Dividor Register */
+	unsigned char cr;	/* I2c Bus Control Register */
+	unsigned char sr;	/* I2c Bus Status Register */
+	unsigned char dr;	/* I2C Bus Data I/O Register */
+	unsigned char ic;	/* I2C Bus Interrupt Config Register */
+	unsigned char dbg;	/* I2C Bus Debug Register */
+};
+
+void i2c_init(uintptr_t nxp_i2c_addr);
+int i2c_read(unsigned char chip, int addr, int alen,
+	     unsigned char *buf, int len);
+int i2c_write(unsigned char chip, int addr, int alen,
+	      const unsigned char *buf, int len);
+int i2c_probe_chip(unsigned char chip);
+
+#endif /* I2C_H */

drivers/nxp/i2c/i2c.mk

+#
+# Copyright 2020 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+ifeq (${ADD_I2C},)
+
+ADD_I2C			:= 1
+I2C_DRIVERS_PATH        := ${PLAT_DRIVERS_PATH}/i2c
+
+I2C_SOURCES		+= $(I2C_DRIVERS_PATH)/i2c.c
+PLAT_INCLUDES		+= -I$(I2C_DRIVERS_PATH)
+
+ifeq (${BL_COMM_I2C_NEEDED},yes)
+BL_COMMON_SOURCES	+= ${I2C_SOURCES}
+else
+ifeq (${BL2_I2C_NEEDED},yes)
+BL2_SOURCES		+= ${I2C_SOURCES}
+endif
+ifeq (${BL31_I2C_NEEDED},yes)
+BL31_SOURCES		+= ${I2C_SOURCES}
+endif
+endif
+endif

drivers/nxp/interconnect/interconnect.mk

+# Copyright 2020 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#
+#------------------------------------------------------------------------------
+#
+# Select the Interconnect files
+#
+# -----------------------------------------------------------------------------
+
+ifeq (${ADD_INTERCONNECT},)
+
+ADD_INTERCONNECT	:= 1
+PLAT_INCLUDES		+= -I${PLAT_DRIVERS_PATH}/interconnect
+
+ifeq (, $(filter $(INTERCONNECT), CCI400 CCN502 CCN504 CCN508))
+    $(error -> Interconnect type not set!)
+else
+$(eval $(call add_define_val,INTERCONNECT,${INTERCONNECT}))
+ifeq ($(INTERCONNECT), $(filter $(INTERCONNECT), CCN502 CCN504 CCN508))
+INTERCONNECT_SOURCES	:= 	drivers/arm/ccn/ccn.c 		\
+				${PLAT_DRIVERS_PATH}/interconnect/ls_ccn.c
+else
+ifeq ($(INTERCONNECT), CCI400)
+INTERCONNECT_SOURCES	:= 	drivers/arm/cci/cci.c 		\
+				${PLAT_DRIVERS_PATH}/interconnect/ls_cci.c
+endif
+endif
+endif
+
+ifeq (${BL_COMM_INTERCONNECT_NEEDED},yes)
+BL_COMMON_SOURCES	+= ${INTERCONNECT_SOURCES}
+else
+ifeq (${BL2_INTERCONNECT_NEEDED},yes)
+BL2_SOURCES		+= ${INTERCONNECT_SOURCES}
+endif
+ifeq (${BL31_INTERCONNECT_NEEDED},yes)
+BL31_SOURCES		+= ${INTERCONNECT_SOURCES}
+endif
+endif
+endif
+
+# -----------------------------------------------------------------------------

drivers/nxp/interconnect/ls_cci.c

+/*
+ * Copyright 2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <arch.h>
+#include <cci.h>
+
+#include <plat_arm.h>
+
+/******************************************************************************
+ * The following functions are defined as weak to allow a platform to override
+ * the way ARM CCI driver is initialised and used.
+ *****************************************************************************/
+#pragma weak plat_arm_interconnect_enter_coherency
+#pragma weak plat_arm_interconnect_exit_coherency
+
+/******************************************************************************
+ * Helper function to place current master into coherency
+ *****************************************************************************/
+void plat_ls_interconnect_enter_coherency(unsigned int num_clusters)
+{
+	cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr_el1()));
+
+	for (uint32_t index = 1U; index < num_clusters; index++) {
+		cci_enable_snoop_dvm_reqs(index);
+	}
+}
+
+/******************************************************************************
+ * Helper function to remove current master from coherency
+ *****************************************************************************/
+void plat_ls_interconnect_exit_coherency(void)
+{
+	cci_disable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr_el1()));
+}

drivers/nxp/interconnect/ls_ccn.c

+/*
+ * Copyright 2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <arch.h>
+#include <ccn.h>
+
+#include <plat_arm.h>
+
+/******************************************************************************
+ * Helper function to place current master into coherency
+ *****************************************************************************/
+void plat_ls_interconnect_enter_coherency(unsigned int num_clusters)
+{
+	ccn_enter_snoop_dvm_domain(1ULL << MPIDR_AFFLVL1_VAL(read_mpidr_el1()));
+
+	for (uint32_t index = 1U; index < num_clusters; index++) {
+		ccn_enter_snoop_dvm_domain(1ULL << index);
+	}
+}
+
+/******************************************************************************
+ * Helper function to remove current master from coherency
+ *****************************************************************************/
+void plat_ls_interconnect_exit_coherency(void)
+{
+	ccn_exit_snoop_dvm_domain(1ULL << MPIDR_AFFLVL1_VAL(read_mpidr_el1()));
+}

drivers/nxp/interconnect/ls_interconnect.h

+/*
+ * Copyright 2020 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef LS_INTERCONNECT_H
+#define LS_INTERCONNECT_H
+
+#if (INTERCONNECT == CCI400)
+#define CCI_TERMINATE_BARRIER_TX	0x8
+#endif
+
+/* Interconnect CCI/CCN functions */
+void plat_ls_interconnect_enter_coherency(unsigned int num_clusters);
+void plat_ls_interconnect_exit_coherency(void);
+
+#endif

drivers/nxp/pmu/pmu.c

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <dcfg.h>
+#include <lib/mmio.h>
+#include <pmu.h>
+
+void enable_timer_base_to_cluster(uintptr_t nxp_pmu_addr)
+{
+	uint32_t *cltbenr = NULL;
+	uint32_t cltbenr_val = 0U;
+
+	cltbenr = (uint32_t *)(nxp_pmu_addr
+				+ CLUST_TIMER_BASE_ENBL_OFFSET);
+
+	cltbenr_val = mmio_read_32((uintptr_t)cltbenr);
+
+	cltbenr_val = cltbenr_val
+			| (1 << MPIDR_AFFLVL1_VAL(read_mpidr_el1()));
+
+	mmio_write_32((uintptr_t)cltbenr, cltbenr_val);
+
+	VERBOSE("Enable cluster time base\n");
+}
+
+/*
+ * Enable core timebase.  In certain Layerscape SoCs, the clock for each core's
+ * has an enable bit in the PMU Physical Core Time Base Enable
+ * Register (PCTBENR), which allows the watchdog to operate.
+ */
+
+void enable_core_tb(uintptr_t nxp_pmu_addr)
+{
+	uint32_t *pctbenr = (uint32_t *) (nxp_pmu_addr +
+					  CORE_TIMEBASE_ENBL_OFFSET);
+
+	mmio_write_32((uintptr_t)pctbenr, 0xff);
+}

drivers/nxp/pmu/pmu.h

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef PMU_H
+#define PMU_H
+
+/* PMU Registers' OFFSET */
+#define PMU_PCPW20SR_OFFSET		0x830
+#define PMU_CLL2FLUSHSETR_OFFSET	0x1110
+#define PMU_CLSL2FLUSHCLRR_OFFSET	0x1114
+#define PMU_CLL2FLUSHSR_OFFSET		0x1118
+#define PMU_POWMGTCSR_VAL		(1 << 20)
+
+/* PMU Registers */
+#define CORE_TIMEBASE_ENBL_OFFSET	0x8A0
+#define CLUST_TIMER_BASE_ENBL_OFFSET	0x18A0
+
+#define PMU_IDLE_CLUSTER_MASK		0x2
+#define PMU_FLUSH_CLUSTER_MASK		0x2
+#define PMU_IDLE_CORE_MASK		0xfe
+
+/* pmu register offsets and bitmaps */
+#define PMU_POWMGTDCR0_OFFSET		0xC20
+#define PMU_POWMGTCSR_OFFSET		0x4000
+#define PMU_CLAINACTSETR_OFFSET		0x1100
+#define PMU_CLAINACTCLRR_OFFSET		0x1104
+#define PMU_CLSINACTSETR_OFFSET		0x1108
+#define PMU_CLSINACTCLRR_OFFSET		0x110C
+#define PMU_CLL2FLUSHSETR_OFFSET	0x1110
+#define PMU_CLL2FLUSHCLRR_OFFSET	0x1114
+#define PMU_IPPDEXPCR0_OFFSET		0x4040
+#define PMU_IPPDEXPCR1_OFFSET		0x4044
+#define PMU_IPPDEXPCR2_OFFSET		0x4048
+#define PMU_IPPDEXPCR3_OFFSET		0x404C
+#define PMU_IPPDEXPCR4_OFFSET		0x4050
+#define PMU_IPPDEXPCR5_OFFSET		0x4054
+#define PMU_IPPDEXPCR6_OFFSET		0x4058
+#define PMU_IPSTPCR0_OFFSET		0x4120
+#define PMU_IPSTPCR1_OFFSET		0x4124
+#define PMU_IPSTPCR2_OFFSET		0x4128
+#define PMU_IPSTPCR3_OFFSET		0x412C
+#define PMU_IPSTPCR4_OFFSET		0x4130
+#define PMU_IPSTPCR5_OFFSET		0x4134
+#define PMU_IPSTPCR6_OFFSET		0x4138
+#define PMU_IPSTPACKSR0_OFFSET		0x4140
+#define PMU_IPSTPACKSR1_OFFSET		0x4144
+#define PMU_IPSTPACKSR2_OFFSET		0x4148
+#define PMU_IPSTPACKSR3_OFFSET		0x414C
+#define PMU_IPSTPACKSR4_OFFSET		0x4150
+#define PMU_IPSTPACKSR5_OFFSET		0x4154
+#define PMU_IPSTPACKSR6_OFFSET		0x4158
+
+#define CLAINACT_DISABLE_ACP		0xFF
+#define CLSINACT_DISABLE_SKY		0xFF
+#define POWMGTDCR_STP_OV_EN		0x1
+#define POWMGTCSR_LPM20_REQ		0x00100000
+
+/* Used by PMU */
+#define DEVDISR1_MASK			0x024F3504
+#define DEVDISR2_MASK			0x0003FFFF
+#define DEVDISR3_MASK			0x0000303F
+#define DEVDISR4_MASK			0x0000FFFF
+#define DEVDISR5_MASK			0x00F07603
+#define DEVDISR6_MASK			0x00000001
+
+#ifndef __ASSEMBLER__
+void enable_timer_base_to_cluster(uintptr_t nxp_pmu_addr);
+void enable_core_tb(uintptr_t nxp_pmu_addr);
+#endif /* __ASSEMBLER__ */
+
+#endif

drivers/nxp/pmu/pmu.mk

+#
+# Copyright 2021 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+#-----------------------------------------------------------------------------
+ifeq (${PMU_ADDED},)
+
+PMU_ADDED		:= 1
+
+PMU_DRIVERS_PATH	:=  ${PLAT_DRIVERS_PATH}/pmu
+
+PLAT_INCLUDES		+= -I$(PMU_DRIVERS_PATH)
+
+PMU_SOURCES		+= $(PMU_DRIVERS_PATH)/pmu.c
+
+ifeq (${BL_COMM_PMU_NEEDED},yes)
+BL_COMMON_SOURCES	+= ${PMU_SOURCES}
+else
+ifeq (${BL2_PMU_NEEDED},yes)
+BL2_SOURCES		+= ${PMU_SOURCES}
+endif
+ifeq (${BL31_PMU_NEEDED},yes)
+BL31_SOURCES		+= ${PMU_SOURCES}
+endif
+endif
+endif
+#------------------------------------------------

drivers/nxp/qspi/qspi.c

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#include <assert.h>
+
+#include <common/debug.h>
+#include <lib/mmio.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+#include <qspi.h>
+
+int qspi_io_setup(uintptr_t nxp_qspi_flash_addr,
+		  size_t nxp_qspi_flash_size,
+		  uintptr_t fip_offset)
+{
+	uint32_t qspi_mcr_val = qspi_in32(CHS_QSPI_MCR);
+
+	/* Enable and change endianness of QSPI IP */
+	qspi_out32(CHS_QSPI_MCR, (qspi_mcr_val | CHS_QSPI_64LE));
+
+	/* Adding QSPI Memory Map in XLAT Table */
+	mmap_add_region(nxp_qspi_flash_addr, nxp_qspi_flash_addr,
+			nxp_qspi_flash_size, MT_MEMORY | MT_RW);
+
+	return 0;
+}

drivers/nxp/qspi/qspi.h

+/*
+ * Copyright 2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+#ifndef QSPI_H
+#define QSPI_H
+
+#include <endian.h>
+#include <lib/mmio.h>
+
+#define CHS_QSPI_MCR			0x01550000
+#define CHS_QSPI_64LE			0xC
+
+#ifdef NXP_QSPI_BE
+#define qspi_in32(a)           bswap32(mmio_read_32((uintptr_t)(a)))
+#define qspi_out32(a, v)       mmio_write_32((uintptr_t)(a), bswap32(v))
+#elif defined(NXP_QSPI_LE)
+#define qspi_in32(a)           mmio_read_32((uintptr_t)(a))
+#define qspi_out32(a, v)       mmio_write_32((uintptr_t)(a), (v))
+#else
+#error Please define CCSR QSPI register endianness
+#endif
+
+int qspi_io_setup(uintptr_t nxp_qspi_flash_addr,
+		  size_t nxp_qspi_flash_size,
+		  uintptr_t fip_offset);
+#endif /* __QSPI_H__ */

drivers/nxp/qspi/qspi.mk

+#
+# Copyright 2020 NXP
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+ifeq (${QSPI_ADDED},)
+
+QSPI_ADDED		:= 1
+
+QSPI_DRIVERS_PATH	:=  ${PLAT_DRIVERS_PATH}/qspi
+
+QSPI_SOURCES		:=  $(QSPI_DRIVERS_PATH)/qspi.c
+
+PLAT_INCLUDES		+= -I$(QSPI_DRIVERS_PATH)
+
+ifeq (${BL_COMM_QSPI_NEEDED},yes)
+BL_COMMON_SOURCES	+= ${QSPI_SOURCES}
+else
+ifeq (${BL2_QSPI_NEEDED},yes)
+BL2_SOURCES		+= ${QSPI_SOURCES}
+endif
+ifeq (${BL31_QSPI_NEEDED},yes)
+BL31_SOURCES		+= ${QSPI_SOURCES}
+endif
+endif
+
+endif