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authorKuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>2013-12-16 12:07:37 -0800
committerH. Peter Anvin <hpa@linux.intel.com>2014-01-15 14:38:58 -0800
commit85611e3febe78955a519f5f9eb47b941525c8c76 (patch)
tree86195f07a8e4afd24501a93c11b64c7122265d01 /arch/x86/include/asm
parentecd6910db979bc40ac19f0e71e027132fc906068 (diff)
x86, intel-mid: Add Clovertrail platform support
This patch adds Clovertrail support on intel-mid and makes it more flexible to support other SoCs. Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> Link: http://lkml.kernel.org/r/1387224459-25746-3-git-send-email-david.a.cohen@linux.intel.com Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Signed-off-by: Fei Yang <fei.yang@intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/include/asm')
-rw-r--r--arch/x86/include/asm/intel-mid.h46
1 files changed, 44 insertions, 2 deletions
diff --git a/arch/x86/include/asm/intel-mid.h b/arch/x86/include/asm/intel-mid.h
index 459769d3926..f8a831431fe 100644
--- a/arch/x86/include/asm/intel-mid.h
+++ b/arch/x86/include/asm/intel-mid.h
@@ -51,10 +51,39 @@ struct devs_id {
enum intel_mid_cpu_type {
/* 1 was Moorestown */
INTEL_MID_CPU_CHIP_PENWELL = 2,
+ INTEL_MID_CPU_CHIP_CLOVERVIEW,
};
extern enum intel_mid_cpu_type __intel_mid_cpu_chip;
+/**
+ * struct intel_mid_ops - Interface between intel-mid & sub archs
+ * @arch_setup: arch_setup function to re-initialize platform
+ * structures (x86_init, x86_platform_init)
+ *
+ * This structure can be extended if any new interface is required
+ * between intel-mid & its sub arch files.
+ */
+struct intel_mid_ops {
+ void (*arch_setup)(void);
+};
+
+/* Helper API's for INTEL_MID_OPS_INIT */
+#define DECLARE_INTEL_MID_OPS_INIT(cpuname, cpuid) \
+ [cpuid] = get_##cpuname##_ops
+
+/* Maximum number of CPU ops */
+#define MAX_CPU_OPS(a) (sizeof(a)/sizeof(void *))
+
+/*
+ * For every new cpu addition, a weak get_<cpuname>_ops() function needs be
+ * declared in arch/x86/platform/intel_mid/intel_mid_weak_decls.h.
+ */
+#define INTEL_MID_OPS_INIT {\
+ DECLARE_INTEL_MID_OPS_INIT(penwell, INTEL_MID_CPU_CHIP_PENWELL), \
+ DECLARE_INTEL_MID_OPS_INIT(cloverview, INTEL_MID_CPU_CHIP_CLOVERVIEW), \
+};
+
#ifdef CONFIG_X86_INTEL_MID
static inline enum intel_mid_cpu_type intel_mid_identify_cpu(void)
@@ -86,8 +115,21 @@ extern enum intel_mid_timer_options intel_mid_timer_options;
* Penwell uses spread spectrum clock, so the freq number is not exactly
* the same as reported by MSR based on SDM.
*/
-#define PENWELL_FSB_FREQ_83SKU 83200
-#define PENWELL_FSB_FREQ_100SKU 99840
+#define FSB_FREQ_83SKU 83200
+#define FSB_FREQ_100SKU 99840
+#define FSB_FREQ_133SKU 133000
+
+#define FSB_FREQ_167SKU 167000
+#define FSB_FREQ_200SKU 200000
+#define FSB_FREQ_267SKU 267000
+#define FSB_FREQ_333SKU 333000
+#define FSB_FREQ_400SKU 400000
+
+/* Bus Select SoC Fuse value */
+#define BSEL_SOC_FUSE_MASK 0x7
+#define BSEL_SOC_FUSE_001 0x1 /* FSB 133MHz */
+#define BSEL_SOC_FUSE_101 0x5 /* FSB 100MHz */
+#define BSEL_SOC_FUSE_111 0x7 /* FSB 83MHz */
#define SFI_MTMR_MAX_NUM 8
#define SFI_MRTC_MAX 8