1# 2# From Coreboot src/northbridge/intel/sandybridge/Kconfig 3# 4# Copyright (C) 2010 Google Inc. 5# 6# SPDX-License-Identifier: GPL-2.0 7 8 9config NORTHBRIDGE_INTEL_SANDYBRIDGE 10 bool 11 select CACHE_MRC_BIN 12 select CPU_INTEL_MODEL_206AX 13 14config NORTHBRIDGE_INTEL_IVYBRIDGE 15 bool 16 select CACHE_MRC_BIN 17 select CPU_INTEL_MODEL_306AX 18 19if NORTHBRIDGE_INTEL_SANDYBRIDGE 20 21config VGA_BIOS_ID 22 string 23 default "8086,0106" 24 25config CACHE_MRC_SIZE_KB 26 int 27 default 256 28 29config DCACHE_RAM_BASE 30 hex 31 default 0xff7f0000 32 33config DCACHE_RAM_SIZE 34 hex 35 default 0x10000 36 37endif 38 39if NORTHBRIDGE_INTEL_IVYBRIDGE 40 41config VGA_BIOS_ID 42 string 43 default "8086,0166" 44 45config EXTERNAL_MRC_BLOB 46 bool 47 default n 48 49config CACHE_MRC_SIZE_KB 50 int 51 default 512 52 53config DCACHE_RAM_BASE 54 hex 55 default 0xff7e0000 56 57config DCACHE_RAM_SIZE 58 hex 59 default 0x20000 60 61endif 62 63if NORTHBRIDGE_INTEL_SANDYBRIDGE || NORTHBRIDGE_INTEL_IVYBRIDGE 64 65config HAVE_MRC 66 bool "Add a System Agent binary" 67 help 68 Select this option to add a System Agent binary to 69 the resulting U-Boot image. MRC stands for Memory Reference Code. 70 It is a binary blob which U-Boot uses to set up SDRAM. 71 72 Note: Without this binary U-Boot will not be able to set up its 73 SDRAM so will not boot. 74 75config DCACHE_RAM_MRC_VAR_SIZE 76 hex 77 default 0x4000 78 help 79 This is the amount of CAR (Cache as RAM) reserved for use by the 80 memory reference code. This should be set to 16KB (0x4000 hex) 81 so that MRC has enough space to run. 82 83config MRC_FILE 84 string "Intel System Agent path and filename" 85 depends on HAVE_MRC 86 default "systemagent-ivybridge.bin" if NORTHBRIDGE_INTEL_IVYBRIDGE 87 default "systemagent-sandybridge.bin" if NORTHBRIDGE_INTEL_SANDYBRIDGE 88 help 89 The path and filename of the file to use as System Agent 90 binary. 91 92config CPU_SPECIFIC_OPTIONS 93 def_bool y 94 select SMM_TSEG 95 select ARCH_BOOTBLOCK_X86_32 96 select ARCH_ROMSTAGE_X86_32 97 select ARCH_RAMSTAGE_X86_32 98 select SMP 99 select SSE2 100 select UDELAY_LAPIC 101 select CPU_MICROCODE_IN_CBFS 102 select TSC_SYNC_MFENCE 103 select HAVE_INTEL_ME 104 select X86_RAMTEST 105 106config SMM_TSEG_SIZE 107 hex 108 default 0x800000 109 110config ENABLE_VMX 111 bool "Enable VMX for virtualization" 112 default n 113 help 114 Virtual Machine Extensions are provided in many x86 CPUs. These 115 provide various facilities for allowing a host OS to provide an 116 environment where potentially several guest OSes have only 117 limited access to the underlying hardware. This is achieved 118 without resorting to software trapping and/or instruction set 119 emulation (which would be very slow). 120 121 Intel's implementation of this is called VT-x. This option enables 122 VT-x this so that the OS that is booted by U-Boot can make use of 123 these facilities. If this option is not enabled, then the host OS 124 will be unable to support virtualisation, or it will run very 125 slowly. 126 127endif 128 129config CPU_INTEL_SOCKET_RPGA989 130 bool 131 132if CPU_INTEL_SOCKET_RPGA989 133 134config SOCKET_SPECIFIC_OPTIONS # dummy 135 def_bool y 136 select MMX 137 select SSE 138 select CACHE_AS_RAM 139 140config CACHE_MRC_BIN 141 bool 142 default n 143 144endif 145