ARM: imx: add msl support for imx7d

Add i.MX7D MSL support.

Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 3a3d3e9..1d87078 100644 (file)
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -582,6 +582,13 @@ config SOC_IMX6SX
        help
          This enables support for Freescale i.MX6 SoloX processor.
 
+config SOC_IMX7D
+       bool "i.MX7 Dual support"
+       select PINCTRL_IMX7D
+       select ARM_GIC
+       help
+               This enables support for Freescale i.MX7 Dual processor.
+
 config SOC_VF610
        bool "Vybrid Family VF610 support"
        select IRQ_DOMAIN_HIERARCHY

diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 0622ced..40df12a 100644 (file)
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -85,6 +85,7 @@ endif
 obj-$(CONFIG_SOC_IMX6Q) += mach-imx6q.o
 obj-$(CONFIG_SOC_IMX6SL) += mach-imx6sl.o
 obj-$(CONFIG_SOC_IMX6SX) += mach-imx6sx.o
+obj-$(CONFIG_SOC_IMX7D) += mach-imx7d.o
 
 ifeq ($(CONFIG_SUSPEND),y)
 AFLAGS_suspend-imx6.o :=-Wa,-march=armv7-a

diff --git a/arch/arm/mach-imx/anatop.c b/arch/arm/mach-imx/anatop.c
index 7f262fe..231bb25 100644 (file)
--- a/arch/arm/mach-imx/anatop.c
+++ b/arch/arm/mach-imx/anatop.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013 Freescale Semiconductor, Inc.
+ * Copyright (C) 2013-2015 Freescale Semiconductor, Inc.
  *
  * The code contained herein is licensed under the GNU General Public
  * License. You may obtain a copy of the GNU General Public License
@@ -28,6 +28,7 @@
 #define ANADIG_USB2_CHRG_DETECT        0x210
 #define ANADIG_DIGPROG         0x260
 #define ANADIG_DIGPROG_IMX6SL  0x280
+#define ANADIG_DIGPROG_IMX7D   0x800
 
 #define BM_ANADIG_REG_2P5_ENABLE_WEAK_LINREG   0x40000
 #define BM_ANADIG_REG_2P5_ENABLE_PULLDOWN      0x8
@@ -121,6 +122,8 @@ void __init imx_init_revision_from_anatop(void)
        WARN_ON(!anatop_base);
        if (of_device_is_compatible(np, "fsl,imx6sl-anatop"))
                offset = ANADIG_DIGPROG_IMX6SL;
+       if (of_device_is_compatible(np, "fsl,imx7d-anatop"))
+               offset = ANADIG_DIGPROG_IMX7D;
        digprog = readl_relaxed(anatop_base + offset);
        iounmap(anatop_base);
 

diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c
index df42c14..a7fa92a 100644 (file)
--- a/arch/arm/mach-imx/cpu.c
+++ b/arch/arm/mach-imx/cpu.c
@@ -130,6 +130,9 @@ struct device * __init imx_soc_device_init(void)
        case MXC_CPU_IMX6Q:
                soc_id = "i.MX6Q";
                break;
+       case MXC_CPU_IMX7D:
+               soc_id = "i.MX7D";
+               break;
        default:
                soc_id = "Unknown";
        }

diff --git a/arch/arm/mach-imx/mach-imx7d.c b/arch/arm/mach-imx/mach-imx7d.c
new file mode 100644 (file)
index 0000000..4d4a190
--- /dev/null
+++ b/arch/arm/mach-imx/mach-imx7d.c
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2015 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/irqchip.h>
+#include <linux/of_platform.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include "common.h"
+
+static void __init imx7d_init_machine(void)
+{
+       struct device *parent;
+
+       parent = imx_soc_device_init();
+       if (parent == NULL)
+               pr_warn("failed to initialize soc device\n");
+
+       of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+       imx_anatop_init();
+}
+
+static void __init imx7d_init_irq(void)
+{
+       imx_init_revision_from_anatop();
+       imx_src_init();
+       irqchip_init();
+}
+
+static const char *imx7d_dt_compat[] __initconst = {
+       "fsl,imx7d",
+       NULL,
+};
+
+DT_MACHINE_START(IMX7D, "Freescale i.MX7 Dual (Device Tree)")
+       .init_irq       = imx7d_init_irq,
+       .init_machine   = imx7d_init_machine,
+       .dt_compat      = imx7d_dt_compat,
+MACHINE_END

diff --git a/arch/arm/mach-imx/mxc.h b/arch/arm/mach-imx/mxc.h
index 8726051..c4436d4 100644 (file)
--- a/arch/arm/mach-imx/mxc.h
+++ b/arch/arm/mach-imx/mxc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2004-2007, 2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2004-2007, 2010-2015 Freescale Semiconductor, Inc.
  * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
  *
  * This program is free software; you can redistribute it and/or
@@ -38,6 +38,7 @@
 #define MXC_CPU_IMX6DL         0x61
 #define MXC_CPU_IMX6SX         0x62
 #define MXC_CPU_IMX6Q          0x63
+#define MXC_CPU_IMX7D          0x72
 
 #define IMX_DDR_TYPE_LPDDR2            1
 
@@ -169,6 +170,11 @@ static inline bool cpu_is_imx6q(void)
        return __mxc_cpu_type == MXC_CPU_IMX6Q;
 }
 
+static inline bool cpu_is_imx7d(void)
+{
+       return __mxc_cpu_type == MXC_CPU_IMX7D;
+}
+
 struct cpu_op {
        u32 cpu_rate;
 };