9 files changed, 83 insertions, 2 deletions
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index c3ed62aed6..37675d0558 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -204,7 +204,7 @@ endif
 
 targets += $(addprefix ../../../,SPL spl/u-boot-spl.cfgout u-boot-dtb.cfgout u-boot.cfgout u-boot.uim spl/u-boot-nand-spl.imx)
 
-obj-$(CONFIG_ARM64) += sip.o
+obj-$(CONFIG_ARM64) += lowlevel.o sip.o
 
 obj-$(CONFIG_MX5) += mx5/
 obj-$(CONFIG_MX6) += mx6/
diff --git a/arch/arm/mach-imx/imx8/Kconfig b/arch/arm/mach-imx/imx8/Kconfig
index f76a139684..c32f7dbb61 100644
--- a/arch/arm/mach-imx/imx8/Kconfig
+++ b/arch/arm/mach-imx/imx8/Kconfig
@@ -10,6 +10,11 @@ config MU_BASE_SPL
 	  SPL runs in EL3 mode, it use MU0_A to communicate with SCU.
 	  So we could not reuse the one in dts which is for normal U-Boot.
 
+config IMX8QM
+	select IMX8
+	select SUPPORT_SPL
+	bool
+
 config IMX8QXP
 	select IMX8
 	select SUPPORT_SPL
@@ -27,8 +32,14 @@ config TARGET_IMX8QXP_MEK
 	select BOARD_LATE_INIT
 	select IMX8QXP
 
+config TARGET_IMX8QM_MEK
+	bool "Support i.MX8QM MEK board"
+	select BOARD_LATE_INIT
+	select IMX8QM
+
 endchoice
 
 source "board/freescale/imx8qxp_mek/Kconfig"
+source "board/freescale/imx8qm_mek/Kconfig"
 
 endif
diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c
index 4bbc956f9d..2c425357b5 100644
--- a/arch/arm/mach-imx/imx8/cpu.c
+++ b/arch/arm/mach-imx/imx8/cpu.c
@@ -542,6 +542,8 @@ const char *get_imx8_type(u32 imxtype)
 	case MXC_CPU_IMX8QXP:
 	case MXC_CPU_IMX8QXP_A0:
 		return "QXP";
+	case MXC_CPU_IMX8QM:
+		return "QM";
 	default:
 		return "??";
 	}
@@ -613,6 +615,7 @@ static const struct cpu_ops cpu_imx8_ops = {
 
 static const struct udevice_id cpu_imx8_ids[] = {
 	{ .compatible = "arm,cortex-a35" },
+	{ .compatible = "arm,cortex-a53" },
 	{ }
 };
 
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c
index 11251c5f9a..7ec39b3e47 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -169,6 +169,7 @@ static void imx_set_wdog_powerdown(bool enable)
 
 int arch_cpu_init(void)
 {
+	struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
 	/*
 	 * Init timer at very early state, because sscg pll setting
 	 * will use it
@@ -180,6 +181,12 @@ int arch_cpu_init(void)
 		imx_set_wdog_powerdown(false);
 	}
 
+	if (is_imx8mq()) {
+		clock_enable(CCGR_OCOTP, 1);
+		if (readl(&ocotp->ctrl) & 0x200)
+			writel(0x200, &ocotp->ctrl_clr);
+	}
+
 	return 0;
 }
 
diff --git a/arch/arm/mach-imx/lowlevel.S b/arch/arm/mach-imx/lowlevel.S
new file mode 100644
index 0000000000..158fdb7d87
--- /dev/null
+++ b/arch/arm/mach-imx/lowlevel.S
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2019 NXP
+ */
+
+#include <linux/linkage.h>
+
+ENTRY(lowlevel_init)
+	mrs	x0, CurrentEL
+	cmp	x0, #8
+	b.eq	1f
+	ret
+1:
+	msr daifclr, #4
+
+	/* set HCR_EL2.AMO to catch SERROR */
+	mrs	x0, hcr_el2
+	orr	x0, x0, #0x20
+	msr	hcr_el2, x0
+	isb
+	ret
+ENDPROC(lowlevel_init)
diff --git a/arch/arm/mach-imx/mx2/Kconfig b/arch/arm/mach-imx/mx2/Kconfig
index ea308fccab..30a331ae43 100644
--- a/arch/arm/mach-imx/mx2/Kconfig
+++ b/arch/arm/mach-imx/mx2/Kconfig
@@ -17,7 +17,7 @@ config TARGET_MX25PDK
 config TARGET_ZMX25
 	bool "Support zmx25"
 	select BOARD_LATE_INIT
-	select CPU_ARM926EJS1
+	select CPU_ARM926EJS
 
 endchoice
 
diff --git a/arch/arm/mach-imx/mx5/Kconfig b/arch/arm/mach-imx/mx5/Kconfig
index 29051c40f3..bde37bb97e 100644
--- a/arch/arm/mach-imx/mx5/Kconfig
+++ b/arch/arm/mach-imx/mx5/Kconfig
@@ -27,6 +27,10 @@ config TARGET_KP_IMX53
 	select DM_I2C
 	select DM_PMIC
 	select DM_SERIAL
+	select DM_MMC
+	select BLK
+	select DM_USB
+	select DM_REGULATOR
 	select MX53
 	imply CMD_DM
 
diff --git a/arch/arm/mach-imx/mx6/Kconfig b/arch/arm/mach-imx/mx6/Kconfig
index e782859b1e..f513c4c06f 100644
--- a/arch/arm/mach-imx/mx6/Kconfig
+++ b/arch/arm/mach-imx/mx6/Kconfig
@@ -161,6 +161,18 @@ config TARGET_COLIBRI_IMX6ULL
 	select DM_THERMAL
 	select MX6ULL
 
+config TARGET_DART_6UL
+	bool "Variscite imx6ULL dart(DART-SOM-6ULL)"
+	select MX6ULL
+	select DM
+	select DM_ETH
+	select DM_GPIO
+	select DM_I2C
+	select DM_MMC
+	select DM_SERIAL
+	select DM_THERMAL
+	select SUPPORT_SPL
+
 config TARGET_DHCOMIMX6
 	bool "dh_imx6"
 	select BOARD_EARLY_INIT_F
diff --git a/arch/arm/mach-imx/sip.c b/arch/arm/mach-imx/sip.c
index 813c2ae5e1..968e7cf309 100644
--- a/arch/arm/mach-imx/sip.c
+++ b/arch/arm/mach-imx/sip.c
@@ -20,3 +20,25 @@ unsigned long call_imx_sip(unsigned long id, unsigned long reg0,
 
 	return regs.regs[0];
 }
+
+/*
+ * Do an SMC call to return 2 registers by having reg1 passed in by reference
+ */
+unsigned long call_imx_sip_ret2(unsigned long id, unsigned long reg0,
+				unsigned long *reg1, unsigned long reg2,
+				unsigned long reg3)
+{
+	struct pt_regs regs;
+
+	regs.regs[0] = id;
+	regs.regs[1] = reg0;
+	regs.regs[2] = *reg1;
+	regs.regs[3] = reg2;
+	regs.regs[4] = reg3;
+
+	smc_call(&regs);
+
+	*reg1 = regs.regs[1];
+
+	return regs.regs[0];
+}