x86: Move Intel Management Engine code to a common place

Some of the Intel ME code is common to several Intel CPUs. Move it into a
common location. Add a header file for report_platform.c also.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
[squashed in http://patchwork.ozlabs.org/patch/598372/]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>

6 files changed, 25 insertions, 35 deletions

diff --git a/arch/x86/cpu/intel_common/Makefile b/arch/x86/cpu/intel_common/Makefile
index 06de964cc8..1918ca30a8 100644
--- a/arch/x86/cpu/intel_common/Makefile
+++ b/arch/x86/cpu/intel_common/Makefile
@@ -7,6 +7,8 @@
 obj-$(CONFIG_HAVE_MRC) += car.o
 obj-y += cpu.o
 obj-y += lpc.o
+obj-$(CONFIG_HAVE_MRC) += me_status.o
 ifndef CONFIG_TARGET_EFI
 obj-y += microcode.o
 endif
+obj-$(CONFIG_HAVE_MRC) += report_platform.o
diff --git a/arch/x86/cpu/ivybridge/me_status.c b/arch/x86/cpu/intel_common/me_status.c
index 15cf69f40e..130d219bc9 100644
--- a/arch/x86/cpu/ivybridge/me_status.c
+++ b/arch/x86/cpu/intel_common/me_status.c
@@ -128,7 +128,14 @@ static const char *const me_progress_policy_values[] = {
 	[0x10] = "Required VSCC values for flash parts do not match",
 };
 
-void intel_me_status(struct me_hfs *hfs, struct me_gmes *gmes)
+
+/**
+ * _intel_me_status() - Check Intel Management Engine status
+ *
+ * struct hfs:	Firmware status
+ * struct gmes:	Management engine status
+ */
+static void _intel_me_status(struct me_hfs *hfs, struct me_gmes *gmes)
 {
 	/* Check Current States */
 	debug("ME: FW Partition Table      : %s\n",
@@ -193,3 +200,14 @@ void intel_me_status(struct me_hfs *hfs, struct me_gmes *gmes)
 	}
 	debug("\n");
 }
+
+void intel_me_status(struct udevice *me_dev)
+{
+	struct me_hfs hfs;
+	struct me_gmes gmes;
+
+	pci_read_dword_ptr(me_dev, &hfs, PCI_ME_HFS);
+	pci_read_dword_ptr(me_dev, &gmes, PCI_ME_GMES);
+
+	_intel_me_status(&hfs, &gmes);
+}
diff --git a/arch/x86/cpu/ivybridge/report_platform.c b/arch/x86/cpu/intel_common/report_platform.c
index c78322aef9..05e1cf9cdb 100644
--- a/arch/x86/cpu/ivybridge/report_platform.c
+++ b/arch/x86/cpu/intel_common/report_platform.c
@@ -9,8 +9,8 @@
 #include <common.h>
 #include <asm/cpu.h>
 #include <asm/pci.h>
+#include <asm/report_platform.h>
 #include <asm/arch/pch.h>
-#include <asm/arch/sandybridge.h>
 
 static void report_cpu_info(void)
 {
diff --git a/arch/x86/cpu/ivybridge/Makefile b/arch/x86/cpu/ivybridge/Makefile
index 78006f12b3..9cdb07bdf2 100644
--- a/arch/x86/cpu/ivybridge/Makefile
+++ b/arch/x86/cpu/ivybridge/Makefile
@@ -11,10 +11,8 @@ obj-y += cpu.o
 obj-y += early_me.o
 obj-y += gma.o
 obj-y += lpc.o
-obj-y += me_status.o
 obj-y += model_206ax.o
 obj-y += northbridge.o
-obj-y += report_platform.o
 obj-y += sata.o
 obj-y += sdram.o
 endif
diff --git a/arch/x86/cpu/ivybridge/early_me.c b/arch/x86/cpu/ivybridge/early_me.c
index b1df77d571..cda96ab398 100644
--- a/arch/x86/cpu/ivybridge/early_me.c
+++ b/arch/x86/cpu/ivybridge/early_me.c
@@ -27,35 +27,6 @@ static const char *const me_ack_values[] = {
 	[ME_HFS_ACK_CONTINUE]	= "Continue to boot"
 };
 
-static inline void pci_read_dword_ptr(struct udevice *me_dev, void *ptr,
-				      int offset)
-{
-	u32 dword;
-
-	dm_pci_read_config32(me_dev, offset, &dword);
-	memcpy(ptr, &dword, sizeof(dword));
-}
-
-static inline void pci_write_dword_ptr(struct udevice *me_dev, void *ptr,
-				       int offset)
-{
-	u32 dword = 0;
-
-	memcpy(&dword, ptr, sizeof(dword));
-	dm_pci_write_config32(me_dev, offset, dword);
-}
-
-void intel_early_me_status(struct udevice *me_dev)
-{
-	struct me_hfs hfs;
-	struct me_gmes gmes;
-
-	pci_read_dword_ptr(me_dev, &hfs, PCI_ME_HFS);
-	pci_read_dword_ptr(me_dev, &gmes, PCI_ME_GMES);
-
-	intel_me_status(&hfs, &gmes);
-}
-
 int intel_early_me_init(struct udevice *me_dev)
 {
 	int count;
@@ -159,7 +130,7 @@ int intel_early_me_init_done(struct udevice *dev, struct udevice *me_dev,
 	debug("ME: Requested BIOS Action: %s\n", me_ack_values[hfs.ack_data]);
 
 	/* Check status after acknowledgement */
-	intel_early_me_status(me_dev);
+	intel_me_status(me_dev);
 
 	switch (hfs.ack_data) {
 	case ME_HFS_ACK_CONTINUE:
diff --git a/arch/x86/cpu/ivybridge/sdram.c b/arch/x86/cpu/ivybridge/sdram.c
index f7dd61f045..e0296a24b3 100644
--- a/arch/x86/cpu/ivybridge/sdram.c
+++ b/arch/x86/cpu/ivybridge/sdram.c
@@ -27,6 +27,7 @@
 #include <asm/mrccache.h>
 #include <asm/mtrr.h>
 #include <asm/pci.h>
+#include <asm/report_platform.h>
 #include <asm/arch/me.h>
 #include <asm/arch/pei_data.h>
 #include <asm/arch/pch.h>
@@ -384,7 +385,7 @@ int sdram_initialise(struct udevice *dev, struct udevice *me_dev,
 	if (BASE_REV_SNB == done)
 		intel_early_me_init_done(dev, me_dev, ME_INIT_STATUS_SUCCESS);
 	else
-		intel_early_me_status(me_dev);
+		intel_me_status(me_dev);
 
 	post_system_agent_init(pei_data);
 	report_memory_config();