ARM: imx: add initial support for imx6sl

Commit 31a2fbf70e1cf3fcd6623a928a5547a2c5c6733f upstream.

Add initial support for i.MX6 SoloLite.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>

4 files changed, 72 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index ba44328464f3..a4022481875a 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -816,6 +816,25 @@ config SOC_IMX6Q
         help
           This enables support for Freescale i.MX6 Quad processor.
 
+config SOC_IMX6SL
+        bool "i.MX6 SoloLite support"
+        select ARM_ERRATA_754322
+        select ARM_ERRATA_775420
+        select ARM_GIC
+        select CPU_V7
+        select HAVE_IMX_ANATOP
+        select HAVE_IMX_GPC
+        select HAVE_IMX_MMDC
+        select HAVE_IMX_SRC
+        select PINCTRL
+        select PINCTRL_IMX6SL
+        select PL310_ERRATA_588369 if CACHE_PL310
+        select PL310_ERRATA_727915 if CACHE_PL310
+        select PL310_ERRATA_769419 if CACHE_PL310
+
+        help
+          This enables support for Freescale i.MX6 SoloLite processor.
+
 endif
 
 source "arch/arm/mach-imx/devices/Kconfig"
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 70ae7c490ac0..2a4754dc7c69 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -98,6 +98,7 @@ AFLAGS_headsmp.o :=-Wa,-march=armv7-a
 obj-$(CONFIG_SMP) += headsmp.o platsmp.o
 obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
 obj-$(CONFIG_SOC_IMX6Q) += clk-imx6q.o mach-imx6q.o
+obj-$(CONFIG_SOC_IMX6SL) += clk-imx6sl.o mach-imx6sl.o
 
 ifeq ($(CONFIG_PM),y)
 obj-$(CONFIG_SOC_IMX6Q) += pm-imx6q.o headsmp.o
diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h
index 963971e11f6a..208e76fcc6b9 100644
--- a/arch/arm/mach-imx/common.h
+++ b/arch/arm/mach-imx/common.h
@@ -69,6 +69,7 @@ extern int mx31_clocks_init_dt(void);
 extern int mx51_clocks_init_dt(void);
 extern int mx53_clocks_init_dt(void);
 extern int mx6q_clocks_init(void);
+extern int imx6sl_clocks_init(void);
 extern struct platform_device *mxc_register_gpio(char *name, int id,
         resource_size_t iobase, resource_size_t iosize, int irq, int irq_high);
 extern void mxc_set_cpu_type(unsigned int type);
diff --git a/arch/arm/mach-imx/mach-imx6sl.c b/arch/arm/mach-imx/mach-imx6sl.c
new file mode 100644
index 000000000000..0130ee6284f1
--- /dev/null
+++ b/arch/arm/mach-imx/mach-imx6sl.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2013 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.h>
+#include <linux/of_platform.h>
+#include <asm/hardware/cache-l2x0.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include "common.h"
+
+static void __init imx6sl_init_machine(void)
+{
+        mxc_arch_reset_init_dt();
+
+        of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+}
+
+static void __init imx6sl_init_irq(void)
+{
+        l2x0_of_init(0, ~0UL);
+        imx_src_init();
+        imx_gpc_init();
+        irqchip_init();
+}
+
+static void __init imx6sl_timer_init(void)
+{
+        imx6sl_clocks_init();
+}
+
+static const char *imx6sl_dt_compat[] __initdata = {
+        "fsl,imx6sl",
+        NULL,
+};
+
+DT_MACHINE_START(IMX6SL, "Freescale i.MX6 SoloLite (Device Tree)")
+        .map_io         = debug_ll_io_init,
+        .init_irq       = imx6sl_init_irq,
+        .init_time      = imx6sl_timer_init,
+        .init_machine   = imx6sl_init_machine,
+        .dt_compat      = imx6sl_dt_compat,
+        .restart        = mxc_restart,
+MACHINE_END