x86: Add CE4100 platform support
Add CE4100 platform support. CE4100 needs early setup like
moorestown.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
LKML-Reference: <94720fd7f5564a12ebf202cf2c4f4c0d619aab35.1289331834.git.dirk.brandewie@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index b306b84..43951c9c7 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -377,6 +377,17 @@
If unsure, choose "PC-compatible" instead.
+config X86_INTEL_CE
+ bool "CE4100 TV platform"
+ depends on PCI
+ depends on PCI_GODIRECT
+ depends on X86_32
+ depends on X86_EXTENDED_PLATFORM
+ ---help---
+ Select for the Intel CE media processor (CE4100) SOC.
+ This option compiles in support for the CE4100 SOC for settop
+ boxes and media devices.
+
config X86_MRST
bool "Moorestown MID platform"
depends on PCI
diff --git a/arch/x86/include/asm/bootparam.h b/arch/x86/include/asm/bootparam.h
index 8e62185..c8bfe63 100644
--- a/arch/x86/include/asm/bootparam.h
+++ b/arch/x86/include/asm/bootparam.h
@@ -124,6 +124,7 @@
X86_SUBARCH_LGUEST,
X86_SUBARCH_XEN,
X86_SUBARCH_MRST,
+ X86_SUBARCH_CE4100,
X86_NR_SUBARCHS,
};
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index d6763b139a..db8aa19 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -53,6 +53,12 @@
static inline void x86_mrst_early_setup(void) { }
#endif
+#ifdef CONFIG_X86_INTEL_CE
+extern void x86_ce4100_early_setup(void);
+#else
+static inline void x86_ce4100_early_setup(void) { }
+#endif
+
#ifndef _SETUP
/*
diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index 7633101..7f138b3 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -61,6 +61,9 @@
case X86_SUBARCH_MRST:
x86_mrst_early_setup();
break;
+ case X86_SUBARCH_CE4100:
+ x86_ce4100_early_setup();
+ break;
default:
i386_default_early_setup();
break;
diff --git a/arch/x86/platform/Makefile b/arch/x86/platform/Makefile
index 7bf70b8..a019bc3 100644
--- a/arch/x86/platform/Makefile
+++ b/arch/x86/platform/Makefile
@@ -1,4 +1,5 @@
# Platform specific code goes here
+obj-y += ce4100/
obj-y += efi/
obj-y += mrst/
obj-y += olpc/
diff --git a/arch/x86/platform/ce4100/Makefile b/arch/x86/platform/ce4100/Makefile
new file mode 100644
index 0000000..91fc929
--- /dev/null
+++ b/arch/x86/platform/ce4100/Makefile
@@ -0,0 +1 @@
+obj-$(CONFIG_X86_INTEL_CE) += ce4100.o
diff --git a/arch/x86/platform/ce4100/ce4100.c b/arch/x86/platform/ce4100/ce4100.c
new file mode 100644
index 0000000..0ede12b
--- /dev/null
+++ b/arch/x86/platform/ce4100/ce4100.c
@@ -0,0 +1,42 @@
+/*
+ * Intel CE4100 platform specific setup code
+ *
+ * (C) Copyright 2010 Intel Corporation
+ *
+ * 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; version 2
+ * of the License.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/irq.h>
+#include <linux/module.h>
+
+#include <asm/setup.h>
+
+static int ce4100_i8042_detect(void)
+{
+ return 0;
+}
+
+static void __init sdv_arch_setup(void)
+{
+}
+
+static void __init sdv_find_smp_config(void)
+{
+}
+
+/*
+ * CE4100 specific x86_init function overrides and early setup
+ * calls.
+ */
+void __init x86_ce4100_early_setup(void)
+{
+ x86_init.oem.arch_setup = sdv_arch_setup;
+ x86_platform.i8042_detect = ce4100_i8042_detect;
+ x86_init.resources.probe_roms = x86_init_noop;
+ x86_init.mpparse.get_smp_config = x86_init_uint_noop;
+ x86_init.mpparse.find_smp_config = sdv_find_smp_config;
+}