arm: imx: add i.MX8ULP EVK support

Add i.MX8ULP EVK basic support, support SD/I2C/ENET/LPUART

Log as below: I would keep some debug info for now, and after we move
to be stable and production launch, we could drop that.

U-Boot SPL 2021.07-rc4-00164-gb800e19a6b (Jun 29 2021 - 10:23:30 +0800)
Normal Boot
upower_init: soc_id=48
upower_init: version:11.11.6
upower_init: start uPower RAM service
user_upwr_rdy_callb: soc=b
user_upwr_rdy_callb: RAM version:12.6
Turn on switches ok
Turn on memories ok
Clear DDR retention ok
Poll for freq_chg_req on SIM register and change to F1 frequency.
Poll for freq_chg_req on SIM register and change to F0 frequency.
Poll for freq_chg_req on SIM register and change to F1 frequency.
Poll for freq_chg_req on SIM register and change to F2 frequency.
Poll for freq_chg_req on SIM register and change to F1 frequency.
Poll for freq_chg_req on SIM register and change to F2 frequency.
complete
De-Skew PLL is locked and ready
WDT:   Not found!
Trying to boot from BOOTROM
image offset 0x8000, pagesize 0x200, ivt offset 0x0
Load image from 0x3a800 by ROM_API
NOTICE:  BL31: v2.4(release):imx_5.10.35_2.0.0_imx8ulp_er-10-gf37e59b94
NOTICE:  BL31: Built : 01:56:58, Jun 29 2021
NOTICE:  upower_init: start uPower RAM service
NOTICE:  user_upwr_rdy_callb: soc=b
NOTICE:  user_upwr_rdy_callb: RAM version:12.6

U-Boot 2021.07-rc4-00164-gb800e19a6b (Jun 29 2021 - 10:23:30 +0800)

CPU:   Freescale i.MX8ULP rev1.0 at 744 MHz
Reset cause: POR
Boot mode: Single boot
Model: FSL i.MX8ULP EVK
DRAM:  2 GiB
MMC:   FSL_SDHC: 0, FSL_SDHC: 2
Loading Environment from MMC... ***
Warning - bad CRC, using default environment

In:    serial@293a0000
Out:   serial@293a0000
Err:   serial@293a0000
Net:
Warning: ethernet@29950000 (eth0) using random MAC address -
96:35:88:62:e0:44
eth0: ethernet@29950000
Hit any key to stop autoboot:  0

Signed-off-by: Peng Fan <peng.fan@nxp.com>

1 files changed, 103 insertions, 0 deletions

diff --git a/configs/imx8ulp_evk_defconfig b/configs/imx8ulp_evk_defconfig
new file mode 100644
index 0000000000..464e30601d
--- /dev/null
+++ b/configs/imx8ulp_evk_defconfig
@@ -0,0 +1,103 @@
+CONFIG_ARM=y
+CONFIG_ARCH_IMX8ULP=y
+CONFIG_SYS_TEXT_BASE=0x80200000
+CONFIG_SYS_MALLOC_F_LEN=0x2000
+CONFIG_DM_GPIO=y
+CONFIG_TARGET_IMX8ULP_EVK=y
+CONFIG_SPL_SERIAL_SUPPORT=y
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_SPL=y
+CONFIG_SPL_TEXT_BASE=0x22020000
+CONFIG_SPL_LOAD_IMX_CONTAINER=y
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_BOOTDELAY=0
+CONFIG_DEFAULT_FDT_FILE="imx8ulp-evk"
+CONFIG_SPL_BOARD_INIT=y
+CONFIG_SPL_SEPARATE_BSS=y
+#CONFIG_SPL_RAM_SUPPORT=y
+#CONFIG_SPL_RAM_DEVICE=y
+#CONFIG_SPL_MMC_SUPPORT=y
+
+CONFIG_SPL_BOOTROM_SUPPORT=y
+CONFIG_SPL_IMX_ROMAPI_LOADADDR=0x88000000
+
+CONFIG_HUSH_PARSER=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_DEFAULT_DEVICE_TREE="imx8ulp-evk"
+CONFIG_SPL_DM=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_IMX_LPI2C=y
+CONFIG_PINCTRL=y
+CONFIG_SPL_PINCTRL=y
+CONFIG_PINCTRL_IMX8ULP=y
+CONFIG_DM_SERIAL=y
+CONFIG_FSL_LPUART=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_IO_VOLTAGE=y
+CONFIG_FSL_ESDHC_IMX=y
+CONFIG_FSL_USDHC=y
+CONFIG_CMD_MMC=y
+CONFIG_SUPPORT_EMMC_BOOT=y
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_SPL_DRIVERS_MISC=y
+CONFIG_MISC=y
+CONFIG_DISTRO_DEFAULTS=y
+CONFIG_BOOTCOMMAND="run distro_bootcmd;run bsp_bootcmd"
+
+CONFIG_CMD_I2C=y
+CONFIG_CMD_FUSE=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_MEMTEST=y
+CONFIG_CMD_EXT2=y
+CONFIG_CMD_EXT4=y
+CONFIG_CMD_EXT4_WRITE=y
+CONFIG_CMD_FAT=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_REGULATOR=y
+CONFIG_CMD_READ=y
+CONFIG_BAUDRATE=115200
+
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
+
+CONFIG_ENV_IS_IN_MMC=y
+CONFIG_ENV_SIZE=0x2000
+CONFIG_ENV_OFFSET=0x400000
+CONFIG_ENV_SECT_SIZE=0x10000
+CONFIG_SYS_MMC_ENV_DEV=0
+
+CONFIG_ULP_WATCHDOG=y
+CONFIG_SPL_WATCHDOG=y
+
+CONFIG_CMD_SF=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_DM_SPI=y
+CONFIG_NXP_FSPI=y
+CONFIG_SPI=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_MACRONIX=y
+CONFIG_SF_DEFAULT_BUS=0
+CONFIG_SF_DEFAULT_CS=0
+CONFIG_SF_DEFAULT_SPEED=40000000
+CONFIG_SF_DEFAULT_MODE=0
+
+CONFIG_IMX_RGPIO2P=y
+CONFIG_USE_ARCH_MEMCPY=y
+
+CONFIG_PHYLIB=y
+CONFIG_PHY_MICREL=y
+CONFIG_PHY_MICREL_KSZ8XXX=y
+CONFIG_DM_ETH=y
+CONFIG_FEC_MXC=y
+CONFIG_MII=y
+CONFIG_CMD_NET=y
+CONFIG_CMD_DHCP=y
+CONFIG_CMD_PING=y
+CONFIG_NET_RANDOM_ETHADDR=y
+
+CONFIG_EFI_PARTITION=y
+
+CONFIG_DM_PCA953X=y