imx93_evk: Remove CONFIG_IMX9_LOW_DRIVE_MODE and ld defconfig

Remove unused CONFIG_IMX9_LOW_DRIVE_MODE kconfig and
imx93_11x11_evk_ld_defconfig.
Remove the ld timing file.
The LD mode support will be added back with runtime detection later.

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

arch/arm/mach-imx/imx9/Kconfig

@@ -5,11 +5,6 @@ config AHAB_BOOT
     help
     This option enables the support for AHAB secure boot.
 
-config IMX9_LOW_DRIVE_MODE
-    bool "Configure to i.MX9 low drive mode"
-    help
-    This option enables the settings for iMX9 low drive mode.
-
 config IMX9
 	bool
 	select BINMAN

board/freescale/imx93_evk/Makefile

@@ -8,9 +8,5 @@ obj-y += imx93_evk.o
 
 ifdef CONFIG_SPL_BUILD
 obj-y += spl.o
-ifdef CONFIG_IMX9_LOW_DRIVE_MODE
-obj-$(CONFIG_IMX93_EVK_LPDDR4X) += lpddr4x_timing_ld.o
-else
 obj-$(CONFIG_IMX93_EVK_LPDDR4X) += lpddr4x_timing.o
 endif
-endif

configs/imx93_11x11_evk_ld_defconfig

@@ -1,127 +0,0 @@
-CONFIG_ARM=y
-CONFIG_ARCH_IMX9=y
-CONFIG_TEXT_BASE=0x80200000
-CONFIG_SYS_MALLOC_LEN=0x2000000
-CONFIG_SYS_MALLOC_F_LEN=0x18000
-CONFIG_SPL_LIBCOMMON_SUPPORT=y
-CONFIG_SPL_LIBGENERIC_SUPPORT=y
-CONFIG_NR_DRAM_BANKS=2
-CONFIG_ENV_SIZE=0x4000
-CONFIG_ENV_OFFSET=0x400000
-CONFIG_IMX_CONFIG="arch/arm/mach-imx/imx9/imximage.cfg"
-CONFIG_DM_GPIO=y
-CONFIG_DEFAULT_DEVICE_TREE="freescale/imx93-11x11-evk"
-CONFIG_SPL_TEXT_BASE=0x2049A000
-CONFIG_IMX9_LOW_DRIVE_MODE=y
-CONFIG_TARGET_IMX93_11X11_EVK=y
-CONFIG_SYS_MONITOR_LEN=524288
-CONFIG_SPL_SERIAL=y
-CONFIG_SPL_DRIVERS_MISC=y
-CONFIG_SPL_STACK=0x20519dd0
-CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
-CONFIG_SPL_BSS_START_ADDR=0x2051a000
-CONFIG_SPL_BSS_MAX_SIZE=0x2000
-CONFIG_SPL=y
-CONFIG_SPL_IMX_ROMAPI_LOADADDR=0x88000000
-CONFIG_SYS_LOAD_ADDR=0x80400000
-CONFIG_SYS_MEMTEST_START=0x80000000
-CONFIG_SYS_MEMTEST_END=0x90000000
-CONFIG_REMAKE_ELF=y
-CONFIG_DISTRO_DEFAULTS=y
-CONFIG_DEFAULT_FDT_FILE="imx93-11x11-evk.dtb"
-CONFIG_SYS_CBSIZE=2048
-CONFIG_SYS_PBSIZE=2074
-CONFIG_BOARD_EARLY_INIT_F=y
-CONFIG_BOARD_LATE_INIT=y
-CONFIG_SPL_MAX_SIZE=0x26000
-CONFIG_SPL_BOARD_INIT=y
-CONFIG_SPL_BOOTROM_SUPPORT=y
-CONFIG_SPL_LOAD_IMX_CONTAINER=y
-CONFIG_IMX_CONTAINER_CFG="arch/arm/mach-imx/imx9/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=0x83200000
-CONFIG_SPL_SYS_MALLOC_SIZE=0x80000
-CONFIG_SPL_SYS_MMCSD_RAW_MODE=y
-CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR=y
-CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x1040
-CONFIG_SPL_I2C=y
-CONFIG_SPL_POWER=y
-CONFIG_SPL_WATCHDOG=y
-CONFIG_SYS_PROMPT="u-boot=> "
-CONFIG_CMD_ERASEENV=y
-# CONFIG_CMD_CRC32 is not set
-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_POWEROFF=y
-CONFIG_CMD_SNTP=y
-CONFIG_CMD_CACHE=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_SYS_RELOC_GD_ENV_ADDR=y
-CONFIG_SYS_MMC_ENV_DEV=1
-CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
-CONFIG_USE_ETHPRIME=y
-CONFIG_ETHPRIME="eth0"
-CONFIG_NET_RANDOM_ETHADDR=y
-CONFIG_SPL_DM=y
-CONFIG_REGMAP=y
-CONFIG_SYSCON=y
-CONFIG_CPU=y
-CONFIG_CPU_IMX=y
-CONFIG_IMX_RGPIO2P=y
-CONFIG_DM_PCA953X=y
-CONFIG_DM_I2C=y
-CONFIG_SYS_I2C_IMX_LPI2C=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_PHY_ANEG_TIMEOUT=20000
-CONFIG_PHY_REALTEK=y
-CONFIG_DM_ETH_PHY=y
-CONFIG_PHY_GIGE=y
-CONFIG_DWC_ETH_QOS=y
-CONFIG_DWC_ETH_QOS_IMX=y
-CONFIG_FEC_MXC=y
-CONFIG_MII=y
-CONFIG_PINCTRL=y
-CONFIG_SPL_PINCTRL=y
-CONFIG_PINCTRL_IMX93=y
-CONFIG_DM_PMIC=y
-CONFIG_SPL_DM_PMIC_PCA9450=y
-CONFIG_DM_REGULATOR=y
-CONFIG_DM_REGULATOR_FIXED=y
-CONFIG_DM_REGULATOR_GPIO=y
-CONFIG_DM_RTC=y
-CONFIG_RTC_EMULATION=y
-CONFIG_DM_SERIAL=y
-CONFIG_FSL_LPUART=y
-CONFIG_SYSRESET=y
-CONFIG_SYSRESET_CMD_POWEROFF=y
-CONFIG_SYSRESET_PSCI=y
-CONFIG_DM_THERMAL=y
-CONFIG_IMX_TMU=y
-CONFIG_ULP_WATCHDOG=y
-CONFIG_WDT=y
-CONFIG_LZO=y
-CONFIG_BZIP2=y