From 14d10f0a48cdfa76773cadcbf0deb233282f6b94 Mon Sep 17 00:00:00 2001
From: Sreedhara DS <sreedhara.ds@intel.com>
Date: Mon, 26 Jul 2010 10:02:25 +0100
Subject: [PATCH] intel_scu_ipc: detect CPU type automatically
Intel SCU message formats depend upon the processor type. Replace the
module option with automatic detection of the processor type.
Signed-off-by: Sreedhara DS <sreedhara.ds@intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
---
drivers/platform/x86/intel_scu_ipc.c | 19 ++++++++++++-------
1 file changed, 12 insertions(+), 7 deletions(-)
diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c
index bb2f1fba637b3..b6a03447ea63d 100644
--- a/drivers/platform/x86/intel_scu_ipc.c
+++ b/drivers/platform/x86/intel_scu_ipc.c
@@ -23,7 +23,7 @@
#include <linux/pm.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
-#include <asm/setup.h>
+#include <asm/mrst.h>
#include <asm/intel_scu_ipc.h>
/* IPC defines the following message types */
@@ -78,12 +78,9 @@ struct intel_scu_ipc_dev {
static struct intel_scu_ipc_dev ipcdev; /* Only one for now */
-static int platform = 1;
-module_param(platform, int, 0);
-MODULE_PARM_DESC(platform, "1 for moorestown platform");
-
-
-
+#define PLATFORM_LANGWELL 1
+#define PLATFORM_PENWELL 2
+static int platform; /* Platform type */
/*
* IPC Read Buffer (Read Only):
@@ -817,6 +814,14 @@ static struct pci_driver ipc_driver = {
static int __init intel_scu_ipc_init(void)
{
+ if (boot_cpu_data.x86 == 6 &&
+ boot_cpu_data.x86_model == 0x27 &&
+ boot_cpu_data.x86_mask == 1)
+ platform = PLATFORM_PENWELL;
+ else if (boot_cpu_data.x86 == 6 &&
+ boot_cpu_data.x86_model == 0x26)
+ platform = PLATFORM_LANGWELL;
+
return pci_register_driver(&ipc_driver);
}
--
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