[PATCH] imx95_evk: Restore support for i.MX95 A0 silicon

Alice Guo (OSS) alice.guo at oss.nxp.com
Tue Jul 22 22:47:09 CEST 2025 

From: Alice Guo <alice.guo at nxp.com>

This patch is used to restore support for i.MX95 A0 silicon. The usage
is updated in imx95_evk.rst.

Fixes: 9936724aa9b ("imx95_evk: Add i.MX95 B0 support")

Signed-off-by: Alice Guo <alice.guo at nxp.com>
---
 arch/arm/mach-imx/imx9/Kconfig            |   5 +-
 arch/arm/mach-imx/imx9/scmi/container.cfg |   2 +
 arch/arm/mach-imx/imx9/scmi/imximage.cfg  |  11 ++
 configs/imx95_a0_19x19_evk_defconfig      | 153 ++++++++++++++++++++++
 doc/board/nxp/imx95_evk.rst               |  41 +++++-
 5 files changed, 207 insertions(+), 5 deletions(-)
 create mode 100644 configs/imx95_a0_19x19_evk_defconfig

diff --git a/arch/arm/mach-imx/imx9/Kconfig b/arch/arm/mach-imx/imx9/Kconfig
index 4e0e194690b..a306203b111 100644
--- a/arch/arm/mach-imx/imx9/Kconfig
+++ b/arch/arm/mach-imx/imx9/Kconfig
@@ -25,6 +25,9 @@ config IMX91
 	select ARCH_MISC_INIT
 	select ARMV8_SPL_EXCEPTION_VECTORS
 
+config IMX95_A0
+	bool "Choice i.MX95 A0"
+
 config IMX95
 	bool
 	select ARCH_MISC_INIT
@@ -33,7 +36,7 @@ config IMX95
 	select DM_MAILBOX
 	select SCMI_FIRMWARE
 	select SPL_IMX_CONTAINER_USE_TRAMPOLINE
-	select IMX_PQC_SUPPORT
+	select IMX_PQC_SUPPORT if !IMX95_A0
 
 config SYS_SOC
 	default "imx9"
diff --git a/arch/arm/mach-imx/imx9/scmi/container.cfg b/arch/arm/mach-imx/imx9/scmi/container.cfg
index b25f3b726c5..bc10cdb227b 100644
--- a/arch/arm/mach-imx/imx9/scmi/container.cfg
+++ b/arch/arm/mach-imx/imx9/scmi/container.cfg
@@ -3,7 +3,9 @@
  * Copyright 2025 NXP
  */
 
+#ifndef CONFIG_IMX95_A0
 CNTR_VERSION 2
+#endif
 BOOT_FROM SD
 SOC_TYPE IMX9
 CONTAINER
diff --git a/arch/arm/mach-imx/imx9/scmi/imximage.cfg b/arch/arm/mach-imx/imx9/scmi/imximage.cfg
index c2c92174c1c..e183595b7b3 100644
--- a/arch/arm/mach-imx/imx9/scmi/imximage.cfg
+++ b/arch/arm/mach-imx/imx9/scmi/imximage.cfg
@@ -3,14 +3,25 @@
  * Copyright 2025 NXP
  */
 
+#ifndef CONFIG_IMX95_A0
 CNTR_VERSION 2
+#endif
 BOOT_FROM SD
 SOC_TYPE IMX9
+#ifdef CONFIG_IMX95_A0
+APPEND mx95a0-ahab-container.img
+#else
 APPEND mx95b0-ahab-container.img
+#endif
 CONTAINER
+#ifndef CONFIG_IMX95_A0
 DUMMY_DDR
+#endif
 IMAGE OEI m33-oei-ddrfw.bin 0x1ffc0000
 HOLD 0x10000
+#ifdef CONFIG_IMX95_A0
+IMAGE OEI oei-m33-tcm.bin 0x1ffc0000
+#endif
 IMAGE M33 m33_image.bin 0x1ffc0000
 IMAGE A55 spl/u-boot-spl.bin 0x20480000
 DUMMY_V2X 0x8b000000
diff --git a/configs/imx95_a0_19x19_evk_defconfig b/configs/imx95_a0_19x19_evk_defconfig
new file mode 100644
index 00000000000..e3b17152b50
--- /dev/null
+++ b/configs/imx95_a0_19x19_evk_defconfig
@@ -0,0 +1,153 @@
+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_19x19_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/imx95-19x19-evk"
+CONFIG_IMX95_A0=y
+CONFIG_TARGET_IMX95_19X19_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="imx95-19x19-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_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_SPL_OF_TRANSLATE=y
+CONFIG_CLK=y
+CONFIG_SPL_CLK=y
+CONFIG_SPL_CLK_CCF=y
+CONFIG_CLK_CCF=y
+CONFIG_CLK_SCMI=y
+CONFIG_SPL_CLK_SCMI=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_SPI_FLASH_MT35XU=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_PHY=y
+CONFIG_PINCTRL=y
+CONFIG_SPL_PINCTRL=y
+CONFIG_PINCTRL_IMX_SCMI=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_SCMI_POWER_DOMAIN=y
+CONFIG_DM_REGULATOR=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 27cd15eb7c9..bc08af198b8 100644
--- a/doc/board/nxp/imx95_evk.rst
+++ b/doc/board/nxp/imx95_evk.rst
@@ -21,6 +21,16 @@ Get ahab-container.img
 
 Note: srctree is U-Boot source directory
 
+i.MX95 A0:
+
+.. code-block:: bash
+
+   $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-ele-imx-1.3.0-17945fc.bin
+   $ sh firmware-ele-imx-1.3.0-17945fc.bin --auto-accept
+   $ cp firmware-ele-imx-1.3.0-17945fc/mx95a0-ahab-container.img $(srctree)
+
+i.MX95 B0:
+
 .. code-block:: bash
 
    $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-ele-imx-2.0.2-89161a8.bin
@@ -53,12 +63,24 @@ branch: master
    $ export TOOLS=$PWD
    $ git clone -b master https://github.com/nxp-imx/imx-oei.git
    $ cd imx-oei
-   $ make board=mx95lp5 oei=ddr DEBUG=1
+
+i.MX95 A0:
+
+.. code-block:: bash
+
+   $ make board=mx95lp5 oei=ddr DEBUG=1 r=A0 DDR_CONFIG=XIMX95LPD5EVK19_6400mbps_train_timing_a1
    $ cp build/mx95lp5/ddr/oei-m33-ddr.bin $(srctree)
 
-   $ make board=mx95lp5 oei=tcm DEBUG=1
+   $ make board=mx95lp5 oei=tcm DEBUG=1 r=A0
    $ cp build/mx95lp5/tcm/oei-m33-tcm.bin $(srctree)
 
+i.MX95 B0:
+
+.. code-block:: bash
+
+   $ make board=mx95lp5 oei=ddr DEBUG=1 r=B0
+   $ cp build/mx95lp5/ddr/oei-m33-ddr.bin $(srctree)
+
 Get and Build System Manager Image
 --------------------------------------
 
@@ -82,13 +104,14 @@ Get and Build the ARM Trusted Firmware
 
 Note: srctree is U-Boot source directory
 Get ATF from: https://github.com/nxp-imx/imx-atf/
-branch: lf_v2.10
+branch: lf_v2.12
 
 .. code-block:: bash
 
    $ export CROSS_COMPILE=aarch64-poky-linux-
    $ unset LDFLAGS
-   $ git clone -b lf_v2.10 https://github.com/nxp-imx/imx-atf.git
+   $ unset AS
+   $ git clone -b lf_v2.12 https://github.com/nxp-imx/imx-atf.git
    $ cd imx-atf
    $ make PLAT=imx95 bl31
    $ cp build/imx95/release/bl31.bin $(srctree)
@@ -96,6 +119,16 @@ branch: lf_v2.10
 Build the Bootloader Image
 --------------------------
 
+i.MX95 A0:
+
+.. code-block:: bash
+
+   $ export CROSS_COMPILE=aarch64-poky-linux-
+   $ make imx95_a_19x19_evk_defconfig
+   $ make
+
+i.MX95 B0:
+
 .. code-block:: bash
 
    $ export CROSS_COMPILE=aarch64-poky-linux-
-- 
2.43.0

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