ENGR00238052: Add support for Android RAM console for iMX53

Add Android RAM console cupport for iMX53 SMD and align the
imx5_android_defconfig with google's defconfig.

Signed-off-by: Nitin Garg <nitin.garg@freescale.com>

2 files changed, 60 insertions, 25 deletions

diff --git a/arch/arm/configs/imx5_android_defconfig b/arch/arm/configs/imx5_android_defconfig
index f74b706fce0f..4c891f8f48b1 100644
--- a/arch/arm/configs/imx5_android_defconfig
+++ b/arch/arm/configs/imx5_android_defconfig
@@ -401,7 +401,8 @@ CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_HAVE_MEMBLOCK=y
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
-# CONFIG_COMPACTION is not set
+CONFIG_COMPACTION=y
+CONFIG_MIGRATION=y
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_BOUNCE=y
@@ -1042,7 +1043,7 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_SENSORS_BH1780 is not set
 # CONFIG_SENSORS_BH1770 is not set
 # CONFIG_SENSORS_APDS990X is not set
-# CONFIG_SUSPEND_COUNTER is not set
+CONFIG_SUSPEND_COUNTER=y
 # CONFIG_HMC6352 is not set
 # CONFIG_SENSORS_AK8975 is not set
 # CONFIG_DS1682 is not set
@@ -2042,8 +2043,8 @@ CONFIG_SND_SOC_SGTL5000=y
 CONFIG_AC97_BUS=y
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
-# CONFIG_HIDRAW is not set
-# CONFIG_UHID is not set
+CONFIG_HIDRAW=y
+CONFIG_UHID=y
 
 #
 # USB Input Devices
@@ -2365,7 +2366,7 @@ CONFIG_LEDS_CLASS=y
 #
 # CONFIG_NFC_DEVICES is not set
 CONFIG_SWITCH=y
-# CONFIG_SWITCH_GPIO is not set
+CONFIG_SWITCH_GPIO=y
 # CONFIG_ACCESSIBILITY is not set
 CONFIG_RTC_LIB=y
 CONFIG_RTC_CLASS=y
@@ -2481,8 +2482,9 @@ CONFIG_ANDROID=y
 CONFIG_ANDROID_BINDER_IPC=y
 CONFIG_ANDROID_LOGGER=y
 # CONFIG_ANDROID_RAM_CONSOLE is not set
-# CONFIG_ANDROID_TIMED_OUTPUT is not set
-# CONFIG_ANDROID_RESERVED_MEMORY_ACCOUNT is not set
+CONFIG_ANDROID_TIMED_OUTPUT=y
+CONFIG_ANDROID_TIMED_GPIO=y
+CONFIG_ANDROID_RESERVED_MEMORY_ACCOUNT=y
 CONFIG_ANDROID_LOW_MEMORY_KILLER=y
 # CONFIG_POHMELFS is not set
 # CONFIG_LINE6_USB is not set
@@ -2635,14 +2637,21 @@ CONFIG_MXC_AMD_GPU=y
 #
 # File systems
 #
-# CONFIG_EXT2_FS is not set
-# CONFIG_EXT3_FS is not set
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
+CONFIG_EXT3_FS_XATTR=y
+# CONFIG_EXT3_FS_POSIX_ACL is not set
+# CONFIG_EXT3_FS_SECURITY is not set
 CONFIG_EXT4_FS=y
-CONFIG_EXT4_USE_FOR_EXT23=y
 CONFIG_EXT4_FS_XATTR=y
-# CONFIG_EXT4_FS_POSIX_ACL is not set
+CONFIG_EXT4_FS_POSIX_ACL=y
 # CONFIG_EXT4_FS_SECURITY is not set
 # CONFIG_EXT4_DEBUG is not set
+CONFIG_JBD=y
+# CONFIG_JBD_DEBUG is not set
 CONFIG_JBD2=y
 # CONFIG_JBD2_DEBUG is not set
 CONFIG_FS_MBCACHE=y
@@ -2652,7 +2661,7 @@ CONFIG_FS_MBCACHE=y
 # CONFIG_GFS2_FS is not set
 # CONFIG_BTRFS_FS is not set
 # CONFIG_NILFS2_FS is not set
-# CONFIG_FS_POSIX_ACL is not set
+CONFIG_FS_POSIX_ACL=y
 CONFIG_FILE_LOCKING=y
 CONFIG_FSNOTIFY=y
 CONFIG_DNOTIFY=y
@@ -2660,8 +2669,9 @@ CONFIG_INOTIFY_USER=y
 # CONFIG_FANOTIFY is not set
 # CONFIG_QUOTA is not set
 # CONFIG_QUOTACTL is not set
-CONFIG_AUTOFS4_FS=m
-# CONFIG_FUSE_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+CONFIG_FUSE_FS=y
+# CONFIG_CUSE is not set
 
 #
 # Caches
@@ -2678,11 +2688,13 @@ CONFIG_AUTOFS4_FS=m
 # DOS/FAT/NT Filesystems
 #
 CONFIG_FAT_FS=y
-CONFIG_MSDOS_FS=y
+# CONFIG_MSDOS_FS is not set
 CONFIG_VFAT_FS=y
 CONFIG_FAT_DEFAULT_CODEPAGE=437
 CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
-# CONFIG_NTFS_FS is not set
+CONFIG_NTFS_FS=y
+# CONFIG_NTFS_DEBUG is not set
+# CONFIG_NTFS_RW is not set
 
 #
 # Pseudo filesystems
@@ -2807,7 +2819,7 @@ CONFIG_DEFAULT_MESSAGE_LOGLEVEL=4
 CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=1024
-# CONFIG_MAGIC_SYSRQ is not set
+CONFIG_MAGIC_SYSRQ=y
 # CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
@@ -2833,25 +2845,20 @@ CONFIG_EVENT_TRACING=y
 CONFIG_EVENT_POWER_TRACING_DEPRECATED=y
 CONFIG_CONTEXT_SWITCH_TRACER=y
 CONFIG_TRACING=y
-CONFIG_GENERIC_TRACER=y
 CONFIG_TRACING_SUPPORT=y
 CONFIG_FTRACE=y
-CONFIG_FUNCTION_TRACER=y
-# CONFIG_FUNCTION_GRAPH_TRACER is not set
+# CONFIG_FUNCTION_TRACER is not set
 # CONFIG_IRQSOFF_TRACER is not set
 # CONFIG_PREEMPT_TRACER is not set
 # CONFIG_SCHED_TRACER is not set
+CONFIG_ENABLE_DEFAULT_TRACERS=y
 CONFIG_BRANCH_PROFILE_NONE=y
 # CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
 # CONFIG_PROFILE_ALL_BRANCHES is not set
 # CONFIG_STACK_TRACER is not set
 # CONFIG_BLK_DEV_IO_TRACE is not set
-CONFIG_DYNAMIC_FTRACE=y
-# CONFIG_FUNCTION_PROFILER is not set
-CONFIG_FTRACE_MCOUNT_RECORD=y
-# CONFIG_FTRACE_STARTUP_TEST is not set
 # CONFIG_RING_BUFFER_BENCHMARK is not set
-# CONFIG_DYNAMIC_DEBUG is not set
+CONFIG_DYNAMIC_DEBUG=y
 # CONFIG_DMA_API_DEBUG is not set
 # CONFIG_ATOMIC64_SELFTEST is not set
 # CONFIG_SAMPLES is not set
diff --git a/arch/arm/mach-mx5/board-mx53_smd.c b/arch/arm/mach-mx5/board-mx53_smd.c
index 0d3de152c725..8d341e57c17c 100755
--- a/arch/arm/mach-mx5/board-mx53_smd.c
+++ b/arch/arm/mach-mx5/board-mx53_smd.c
@@ -1250,6 +1250,26 @@ static int __init mx53_smd_power_init(void)
 }
 late_initcall(mx53_smd_power_init);
 
+#ifdef CONFIG_ANDROID_RAM_CONSOLE
+static struct resource ram_console_resource = {
+	.name = "android ram console",
+	.flags = IORESOURCE_MEM,
+};
+
+static struct platform_device android_ram_console = {
+	.name = "ram_console",
+	.num_resources = 1,
+	.resource = &ram_console_resource,
+};
+
+static int __init imx5x_add_ram_console(void)
+{
+	return platform_device_register(&android_ram_console);
+}
+#else
+#define imx5x_add_ram_console() do {} while (0)
+#endif
+
 static void __init mx53_smd_board_init(void)
 {
 	int i;
@@ -1315,6 +1335,7 @@ static void __init mx53_smd_board_init(void)
 	lp_reg_id = smd_regulator_data.vcc_reg_id;
 
 	mx53_smd_init_uart();
+	imx5x_add_ram_console();
 	mx53_smd_fec_reset();
 	mxc_register_device(&mxc_pm_device, &smd_pm_data);
 	imx53_add_fec(&mx53_smd_fec_data);
@@ -1443,6 +1464,13 @@ static void __init mx53_smd_reserve(void)
 	phys_addr_t phys;
 	int i;
 
+#ifdef CONFIG_ANDROID_RAM_CONSOLE
+	phys = memblock_alloc(SZ_128K, SZ_4K);
+	memblock_remove(phys, SZ_128K);
+	ram_console_resource.start = phys;
+	ram_console_resource.end   = phys + SZ_128K - 1;
+#endif
+
 	if (imx53_gpu_data.gmem_reserved_size) {
 		phys = memblock_alloc(imx53_gpu_data.gmem_reserved_size,
 					   SZ_4K);