[PATCH 3/3] imx95_evk: Add basic support for iMX95 15x15 EVK

Mon Oct 13 05:41:28 CEST 2025

Add boot support and peripherals like eMMC/SD, UART, I2C, GPIO, ENETC0/1
and PCIE0/1 for iMX95 15x15 LPDDR4X EVK.
Updated doc for build instructions.

Signed-off-by: Ye Li <ye.li at nxp.com>
---
 arch/arm/mach-imx/imx9/Kconfig    |   7 ++
 board/freescale/imx95_evk/Kconfig |   2 +-
 configs/imx95_15x15_evk_defconfig | 148 ++++++++++++++++++++++++++++++
 doc/board/nxp/imx95_evk.rst       |  24 ++++-
 include/configs/imx95_evk.h       |   8 +-
 5 files changed, 182 insertions(+), 7 deletions(-)
 create mode 100644 configs/imx95_15x15_evk_defconfig

diff --git a/arch/arm/mach-imx/imx9/Kconfig b/arch/arm/mach-imx/imx9/Kconfig
index 48f458fa55c..420a93755fd 100644
--- a/arch/arm/mach-imx/imx9/Kconfig
+++ b/arch/arm/mach-imx/imx9/Kconfig
@@ -106,6 +106,13 @@ config TARGET_IMX95_19X19_EVK
 	imply BOOTSTD_FULL
 	imply OF_UPSTREAM
 
+config TARGET_IMX95_15X15_EVK
+	bool "imx95_15x15_evk"
+	select IMX95
+	imply BOOTSTD_BOOTCOMMAND
+	imply BOOTSTD_FULL
+	imply OF_UPSTREAM
+
 config TARGET_IMX943_EVK
 	bool "imx943_evk"
 	select IMX94
diff --git a/board/freescale/imx95_evk/Kconfig b/board/freescale/imx95_evk/Kconfig
index f9a67353e5d..bf746e091de 100644
--- a/board/freescale/imx95_evk/Kconfig
+++ b/board/freescale/imx95_evk/Kconfig
@@ -1,4 +1,4 @@
-if TARGET_IMX95_19X19_EVK
+if TARGET_IMX95_19X19_EVK || TARGET_IMX95_15X15_EVK
 
 config SYS_BOARD
 	default "imx95_evk"
diff --git a/configs/imx95_15x15_evk_defconfig b/configs/imx95_15x15_evk_defconfig
new file mode 100644
index 00000000000..96b1d2a64af
--- /dev/null
+++ b/configs/imx95_15x15_evk_defconfig
@@ -0,0 +1,148 @@
+CONFIG_ARM=y
+CONFIG_ARCH_IMX9=y
+CONFIG_TEXT_BASE=0x90200000
+CONFIG_SYS_MALLOC_LEN=0x2000000
+CONFIG_SYS_MALLOC_F_LEN=0x10000
+CONFIG_SPL_GPIO=y
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_NR_DRAM_BANKS=3
+CONFIG_ENV_SOURCE_FILE="imx95_evk"
+CONFIG_SF_DEFAULT_SPEED=40000000
+CONFIG_ENV_SIZE=0x4000
+CONFIG_ENV_OFFSET=0x700000
+CONFIG_IMX_CONFIG="arch/arm/mach-imx/imx9/scmi/imximage.cfg"
+CONFIG_DM_GPIO=y
+CONFIG_DEFAULT_DEVICE_TREE="freescale/imx95-15x15-evk"
+CONFIG_TARGET_IMX95_15X15_EVK=y
+CONFIG_OF_LIBFDT_OVERLAY=y
+CONFIG_SYS_MONITOR_LEN=524288
+CONFIG_SPL_MMC=y
+CONFIG_SPL_SERIAL=y
+CONFIG_SPL_DRIVERS_MISC=y
+CONFIG_SPL_TEXT_BASE=0x20480000
+CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
+CONFIG_SPL_BSS_START_ADDR=0x204d6000
+CONFIG_SPL_BSS_MAX_SIZE=0x2000
+CONFIG_SYS_LOAD_ADDR=0x90400000
+CONFIG_SPL=y
+CONFIG_SPL_RECOVER_DATA_SECTION=y
+CONFIG_PCI=y
+CONFIG_SYS_MEMTEST_START=0x90000000
+CONFIG_SYS_MEMTEST_END=0xA0000000
+CONFIG_REMAKE_ELF=y
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_OF_SYSTEM_SETUP=y
+CONFIG_BOOTCOMMAND="bootflow scan -l; run bsp_bootcmd"
+CONFIG_DEFAULT_FDT_FILE="imx95-15x15-evk.dtb"
+CONFIG_SYS_CBSIZE=2048
+CONFIG_SYS_PBSIZE=2074
+CONFIG_BOARD_EARLY_INIT_F=y
+# CONFIG_BOARD_INIT is not set
+CONFIG_BOARD_LATE_INIT=y
+CONFIG_PCI_INIT_R=y
+CONFIG_SPL_MAX_SIZE=0x20000
+CONFIG_SPL_BOARD_INIT=y
+CONFIG_SPL_LOAD_IMX_CONTAINER=y
+CONFIG_IMX_CONTAINER_CFG="arch/arm/mach-imx/imx9/scmi/container.cfg"
+# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
+CONFIG_SPL_SYS_MALLOC=y
+CONFIG_SPL_HAS_CUSTOM_MALLOC_START=y
+CONFIG_SPL_CUSTOM_SYS_MALLOC_ADDR=0x93200000
+CONFIG_SPL_SYS_MALLOC_SIZE=0x80000
+CONFIG_SPL_SYS_MMCSD_RAW_MODE=y
+CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x1040
+CONFIG_SPL_I2C=y
+CONFIG_SPL_DM_MAILBOX=y
+CONFIG_SPL_POWER=y
+CONFIG_SPL_WATCHDOG=y
+CONFIG_SYS_PROMPT="u-boot=> "
+CONFIG_CMD_ERASEENV=y
+CONFIG_CMD_NVEDIT_EFI=y
+CONFIG_CRC32_VERIFY=y
+CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_CLK=y
+CONFIG_CMD_DFU=y
+CONFIG_CMD_FUSE=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PCI=y
+CONFIG_CMD_POWEROFF=y
+CONFIG_CMD_SNTP=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_EFIDEBUG=y
+CONFIG_CMD_RTC=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_GETTIME=y
+CONFIG_CMD_TIMER=y
+CONFIG_CMD_REGULATOR=y
+CONFIG_CMD_HASH=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_ENV_OVERWRITE=y
+CONFIG_ENV_IS_NOWHERE=y
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_ENV_RELOC_GD_ENV_ADDR=y
+CONFIG_ENV_MMC_DEVICE_INDEX=1
+CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_USE_ETHPRIME=y
+CONFIG_ETHPRIME="eth0"
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_SYS_RX_ETH_BUFFER=8
+CONFIG_SPL_DM=y
+CONFIG_SPL_OF_TRANSLATE=y
+CONFIG_SPL_CLK=y
+CONFIG_SPL_CLK_CCF=y
+CONFIG_CLK_SCMI=y
+CONFIG_SPL_CLK_SCMI=y
+CONFIG_CLK_IMX95_BLKCTRL=y
+CONFIG_DFU_MMC=y
+CONFIG_DFU_RAM=y
+CONFIG_SPL_FIRMWARE=y
+# CONFIG_SCMI_AGENT_SMCCC is not set
+CONFIG_IMX_RGPIO2P=y
+CONFIG_DM_PCA953X=y
+CONFIG_ADP5585_GPIO=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_IMX_LPI2C=y
+CONFIG_IMX_MU_MBOX=y
+CONFIG_SUPPORT_EMMC_BOOT=y
+CONFIG_MMC_IO_VOLTAGE=y
+CONFIG_MMC_UHS_SUPPORT=y
+CONFIG_MMC_HS400_ES_SUPPORT=y
+CONFIG_MMC_HS400_SUPPORT=y
+CONFIG_FSL_USDHC=y
+CONFIG_MTD=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_PHYLIB=y
+CONFIG_PHY_AQUANTIA=y
+CONFIG_PHY_REALTEK=y
+CONFIG_DM_MDIO=y
+CONFIG_MII=y
+CONFIG_FSL_ENETC=y
+CONFIG_PCIE_ECAM_GENERIC=y
+CONFIG_PCIE_DW_IMX=y
+CONFIG_PHY=y
+CONFIG_PINCTRL=y
+CONFIG_SPL_PINCTRL=y
+CONFIG_PINCTRL_IMX_SCMI=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_SCMI_POWER_DOMAIN=y
+CONFIG_SPL_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_SPL_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
+CONFIG_DM_RTC=y
+CONFIG_DM_SERIAL=y
+CONFIG_FSL_LPUART=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_NXP_FSPI=y
+CONFIG_ULP_WATCHDOG=y
+CONFIG_LZO=y
+CONFIG_BZIP2=y
diff --git a/doc/board/nxp/imx95_evk.rst b/doc/board/nxp/imx95_evk.rst
index 709992e016d..b8c3f4bed50 100644
--- a/doc/board/nxp/imx95_evk.rst
+++ b/doc/board/nxp/imx95_evk.rst
@@ -48,6 +48,7 @@ Note: srctree is U-Boot source directory
    $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.28-994fa14.bin
    $ sh firmware-imx-8.28-994fa14.bin --auto-accept
    $ cp firmware-imx-8.28-994fa14/firmware/ddr/synopsys/lpddr5*v202409.bin $(srctree)
+   $ cp firmware-imx-8.28-994fa14/firmware/ddr/synopsys/lpddr4x*v202409.bin $(srctree)
 
 Get and Build OEI Images
 --------------------------------------
@@ -65,7 +66,7 @@ branch: master
    $ git clone -b master https://github.com/nxp-imx/imx-oei.git
    $ cd imx-oei
 
-i.MX95 A0 silicon version
+i.MX95 A0 silicon version on 19x19 LPDDR5 EVK
 
 .. code-block:: bash
 
@@ -75,13 +76,20 @@ i.MX95 A0 silicon version
    $ make board=mx95lp5 oei=tcm DEBUG=1 r=A0 all
    $ cp build/mx95lp5/tcm/oei-m33-tcm.bin $(srctree)
 
-i.MX95 B0 silicon version
+i.MX95 B0 silicon version on 19x19 LPDDR5 EVK
 
 .. code-block:: bash
 
    $ make board=mx95lp5 oei=ddr DEBUG=1 r=B0 all
    $ cp build/mx95lp5/ddr/oei-m33-ddr.bin $(srctree)
 
+i.MX95 B0 silicon version on 15x15 LPDDR4X EVK
+
+.. code-block:: bash
+
+   $ make board=mx95lp4x-15 oei=ddr DEBUG=1 r=B0 all
+   $ cp build/mx95lp4x-15/ddr/oei-m33-ddr.bin $(srctree)
+
 Get and Build System Manager Image
 --------------------------------------
 
@@ -120,7 +128,7 @@ branch: lf_v2.12
 Build the Bootloader Image
 --------------------------
 
-i.MX95 A0 silicon version
+i.MX95 A0 silicon version on 19x19 LPDDR5 EVK
 
 .. code-block:: bash
 
@@ -128,7 +136,7 @@ i.MX95 A0 silicon version
    $ make imx95_a0_19x19_evk_defconfig
    $ make
 
-i.MX95 B0 silicon version
+i.MX95 B0 silicon version on 19x19 LPDDR5 EVK
 
 .. code-block:: bash
 
@@ -136,6 +144,14 @@ i.MX95 B0 silicon version
    $ make imx95_19x19_evk_defconfig
    $ make
 
+i.MX95 B0 silicon version on 15x15 LPDDR4X EVK
+
+.. code-block:: bash
+
+   $ export CROSS_COMPILE=aarch64-poky-linux-
+   $ make imx95_15x15_evk_defconfig
+   $ make
+
 Copy imx-boot-imx95.bin to the MicroSD card:
 
 .. code-block:: bash
diff --git a/include/configs/imx95_evk.h b/include/configs/imx95_evk.h
index 2eebdadc51d..3d22740b3f4 100644
--- a/include/configs/imx95_evk.h
+++ b/include/configs/imx95_evk.h
@@ -15,9 +15,13 @@
 
 #define CFG_SYS_SDRAM_BASE		0x90000000
 #define PHYS_SDRAM				0x90000000
-/* Totally 16GB */
+
 #define PHYS_SDRAM_SIZE			0x70000000 /* 2GB - 256MB DDR */
-#define PHYS_SDRAM_2_SIZE		0x380000000 /* 14GB */
+#ifdef CONFIG_TARGET_IMX95_15X15_EVK
+#define PHYS_SDRAM_2_SIZE		0x180000000 /* 6GB (Totally 8GB) */
+#else
+#define PHYS_SDRAM_2_SIZE		0x380000000 /* 14GB (Totally 16GB) */
+#endif
 
 #define WDOG_BASE_ADDR			WDG3_BASE_ADDR
 
-- 
2.37.1

