diff options
| author | Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> | 2013-12-17 00:07:37 +0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2014-01-16 02:38:58 +0400 |
| commit | 85611e3febe78955a519f5f9eb47b941525c8c76 (patch) | |
| tree | 86195f07a8e4afd24501a93c11b64c7122265d01 /arch/x86/include/asm/intel-mid.h | |
| parent | ecd6910db979bc40ac19f0e71e027132fc906068 (diff) | |
| download | linux-85611e3febe78955a519f5f9eb47b941525c8c76.tar.xz | |
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/intel-mid.h')
| -rw-r--r-- | arch/x86/include/asm/intel-mid.h | 46 |
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 459769d39263..f8a831431fe0 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 |