help
This enables support for Freescale i.MX7 Dual processor.
+config SOC_IMX7ULP
+ bool "i.MX7ULP support"
+ select ARM_GIC
+ select CLKSRC_IMX_TPM
+ select HAVE_ARM_ARCH_TIMER
+ select PINCTRL_IMX7ULP
+ help
+ This enables support for Freescale i.MX7 Ultra Low Power processor.
+
config SOC_VF610
bool "Vybrid Family VF610 support"
select ARM_GIC if ARCH_MULTI_V7
obj-$(CONFIG_SOC_IMX6UL) += mach-imx6ul.o
obj-$(CONFIG_SOC_IMX7D_CA7) += mach-imx7d.o
obj-$(CONFIG_SOC_IMX7D_CM4) += mach-imx7d-cm4.o
+obj-$(CONFIG_SOC_IMX7ULP) += mach-imx7ulp.o pm-imx7ulp.o
ifeq ($(CONFIG_SUSPEND),y)
AFLAGS_suspend-imx6.o :=-Wa,-march=armv7-a
void imx6sl_pm_init(void);
void imx6sx_pm_init(void);
void imx6ul_pm_init(void);
+void imx7ulp_pm_init(void);
#ifdef CONFIG_PM
void imx51_pm_init(void);
case MXC_CPU_IMX7D:
soc_id = "i.MX7D";
break;
+ case MXC_CPU_IMX7ULP:
+ soc_id = "i.MX7ULP";
+ break;
default:
soc_id = "Unknown";
}
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017-2018 NXP
+ * Author: Dong Aisheng <aisheng.dong@nxp.com>
+ */
+
+#include <linux/irqchip.h>
+#include <linux/of_platform.h>
+#include <asm/mach/arch.h>
+
+#include "common.h"
+#include "hardware.h"
+
+static void __init imx7ulp_init_machine(void)
+{
+ imx7ulp_pm_init();
+
+ mxc_set_cpu_type(MXC_CPU_IMX7ULP);
+ of_platform_default_populate(NULL, NULL, imx_soc_device_init());
+}
+
+static const char *const imx7ulp_dt_compat[] __initconst = {
+ "fsl,imx7ulp",
+ NULL,
+};
+
+DT_MACHINE_START(IMX7ulp, "Freescale i.MX7ULP (Device Tree)")
+ .init_machine = imx7ulp_init_machine,
+ .dt_compat = imx7ulp_dt_compat,
+MACHINE_END
#define MXC_CPU_IMX6ULZ 0x6b
#define MXC_CPU_IMX6SLL 0x67
#define MXC_CPU_IMX7D 0x72
+#define MXC_CPU_IMX7ULP 0xff
#define IMX_DDR_TYPE_LPDDR2 1
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017-2018 NXP
+ * Author: Dong Aisheng <aisheng.dong@nxp.com>
+ */
+
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+
+#define SMC_PMCTRL 0x10
+#define BP_PMCTRL_PSTOPO 16
+#define PSTOPO_PSTOP3 0x3
+
+void __init imx7ulp_pm_init(void)
+{
+ struct device_node *np;
+ void __iomem *smc1_base;
+
+ np = of_find_compatible_node(NULL, NULL, "fsl,imx7ulp-smc1");
+ smc1_base = of_iomap(np, 0);
+ WARN_ON(!smc1_base);
+
+ /* Partial Stop mode 3 with system/bus clock enabled */
+ writel_relaxed(PSTOPO_PSTOP3 << BP_PMCTRL_PSTOPO,
+ smc1_base + SMC_PMCTRL);
+ iounmap(smc1_base);
+}