arm: mx50: add core functions support except clock

Add core definitions and memory map, gpio, irq, iomux, uart device
support.

Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

5 files changed, 101 insertions, 1 deletions

diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 5011f42f3b8..d2e0f984753 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -1,9 +1,20 @@
 if ARCH_MX5
-# ARCH_MX51 is left for compatibility
+# ARCH_MX51 and ARCH_MX50 are left for compatibility
+
+config ARCH_MX50
+        bool
 
 config ARCH_MX51
         bool
 
+config SOC_IMX50
+        bool
+        select MXC_TZIC
+        select ARCH_MXC_IOMUX_V3
+        select ARCH_MXC_AUDMUX_V2
+        select ARCH_HAS_CPUFREQ
+        select ARCH_MX50
+
 config  SOC_IMX51
         bool
         select MXC_TZIC
diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile
index 026cd850df2..e059c309093 100644
--- a/arch/arm/mach-mx5/Makefile
+++ b/arch/arm/mach-mx5/Makefile
@@ -4,6 +4,7 @@
 
 # Object file lists.
 obj-y   := cpu.o mm.o clock-mx51-mx53.o devices.o
+obj-$(CONFIG_SOC_IMX50) += mm-mx50.o
 
 obj-$(CONFIG_CPU_FREQ_IMX)    += cpu_op-mx51.o
 obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o
diff --git a/arch/arm/mach-mx5/Makefile.boot b/arch/arm/mach-mx5/Makefile.boot
index fec7cd921fc..854748f80cc 100644
--- a/arch/arm/mach-mx5/Makefile.boot
+++ b/arch/arm/mach-mx5/Makefile.boot
@@ -1,3 +1,6 @@
+   zreladdr-$(CONFIG_ARCH_MX50) := 0x70008000
+params_phys-$(CONFIG_ARCH_MX50) := 0x70000100
+initrd_phys-$(CONFIG_ARCH_MX50) := 0x70800000
    zreladdr-$(CONFIG_ARCH_MX51) := 0x90008000
 params_phys-$(CONFIG_ARCH_MX51) := 0x90000100
 initrd_phys-$(CONFIG_ARCH_MX51) := 0x90800000
diff --git a/arch/arm/mach-mx5/devices-mx50.h b/arch/arm/mach-mx5/devices-mx50.h
new file mode 100644
index 00000000000..98ab07468a0
--- /dev/null
+++ b/arch/arm/mach-mx5/devices-mx50.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <mach/mx50.h>
+#include <mach/devices-common.h>
+
+extern const struct imx_imx_uart_1irq_data imx50_imx_uart_data[] __initconst;
+#define imx50_add_imx_uart(id, pdata)   \
+        imx_add_imx_uart_1irq(&imx50_imx_uart_data[id], pdata)
diff --git a/arch/arm/mach-mx5/mm-mx50.c b/arch/arm/mach-mx5/mm-mx50.c
new file mode 100644
index 00000000000..8c6540e5839
--- /dev/null
+++ b/arch/arm/mach-mx5/mm-mx50.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Create static mapping between physical to virtual memory.
+ */
+
+#include <linux/mm.h>
+#include <linux/init.h>
+
+#include <asm/mach/map.h>
+
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/iomux-v3.h>
+
+/*
+ * Define the MX50 memory map.
+ */
+static struct map_desc mx50_io_desc[] __initdata = {
+        imx_map_entry(MX50, TZIC, MT_DEVICE),
+        imx_map_entry(MX50, SPBA0, MT_DEVICE),
+        imx_map_entry(MX50, AIPS1, MT_DEVICE),
+        imx_map_entry(MX50, AIPS2, MT_DEVICE),
+};
+
+/*
+ * This function initializes the memory map. It is called during the
+ * system startup to create static physical to virtual memory mappings
+ * for the IO modules.
+ */
+void __init mx50_map_io(void)
+{
+        mxc_set_cpu_type(MXC_CPU_MX50);
+        mxc_iomux_v3_init(MX50_IO_ADDRESS(MX50_IOMUXC_BASE_ADDR));
+        mxc_arch_reset_init(MX50_IO_ADDRESS(MX50_WDOG_BASE_ADDR));
+        iotable_init(mx50_io_desc, ARRAY_SIZE(mx50_io_desc));
+}
+
+int imx50_register_gpios(void);
+
+void __init mx50_init_irq(void)
+{
+        tzic_init_irq(MX50_IO_ADDRESS(MX50_TZIC_BASE_ADDR));
+        imx50_register_gpios();
+}