diff options
Diffstat (limited to 'arch/x86/cpu/ivybridge')
| -rw-r--r-- | arch/x86/cpu/ivybridge/Kconfig | 171 | ||||
| -rw-r--r-- | arch/x86/cpu/ivybridge/Makefile | 9 | ||||
| -rw-r--r-- | arch/x86/cpu/ivybridge/car.S | 20 | ||||
| -rw-r--r-- | arch/x86/cpu/ivybridge/cpu.c | 42 | ||||
| -rw-r--r-- | arch/x86/cpu/ivybridge/sdram.c | 20 |
5 files changed, 262 insertions, 0 deletions
diff --git a/arch/x86/cpu/ivybridge/Kconfig b/arch/x86/cpu/ivybridge/Kconfig new file mode 100644 index 0000000000..177247edc6 --- /dev/null +++ b/arch/x86/cpu/ivybridge/Kconfig @@ -0,0 +1,171 @@ +# +# From Coreboot src/northbridge/intel/sandybridge/Kconfig +# +# Copyright (C) 2010 Google Inc. +# +# SPDX-License-Identifier: GPL-2.0 + + +config NORTHBRIDGE_INTEL_SANDYBRIDGE + bool + select CACHE_MRC_BIN + select CPU_INTEL_MODEL_206AX + +config NORTHBRIDGE_INTEL_IVYBRIDGE + bool + select CACHE_MRC_BIN + select CPU_INTEL_MODEL_306AX + +if NORTHBRIDGE_INTEL_SANDYBRIDGE + +config VGA_BIOS_ID + string + default "8086,0106" + +config CACHE_MRC_SIZE_KB + int + default 256 + +config MRC_CACHE_BASE + hex + default 0xff800000 + +config MRC_CACHE_LOCATION + hex + depends on !CHROMEOS + default 0x1ec000 + +config MRC_CACHE_SIZE + hex + depends on !CHROMEOS + default 0x10000 + +config DCACHE_RAM_BASE + hex + default 0xff7f0000 + +config DCACHE_RAM_SIZE + hex + default 0x10000 + +endif + +if NORTHBRIDGE_INTEL_IVYBRIDGE + +config VGA_BIOS_ID + string + default "8086,0166" + +config EXTERNAL_MRC_BLOB + bool + default n + +config CACHE_MRC_SIZE_KB + int + default 512 + +config MRC_CACHE_BASE + hex + default 0xff800000 + +config MRC_CACHE_LOCATION + hex + depends on !CHROMEOS + default 0x370000 + +config MRC_CACHE_SIZE + hex + depends on !CHROMEOS + default 0x10000 + +config DCACHE_RAM_BASE + hex + default 0xff7e0000 + +config DCACHE_RAM_SIZE + hex + default 0x20000 + +endif + +if NORTHBRIDGE_INTEL_SANDYBRIDGE || NORTHBRIDGE_INTEL_IVYBRIDGE + +config HAVE_MRC + bool "Add a System Agent binary" + help + Select this option to add a System Agent binary to + the resulting U-Boot image. MRC stands for Memory Reference Code. + It is a binary blob which U-Boot uses to set up SDRAM. + + Note: Without this binary U-Boot will not be able to set up its + SDRAM so will not boot. + +config DCACHE_RAM_MRC_VAR_SIZE + hex + default 0x4000 + help + This is the amount of CAR (Cache as RAM) reserved for use by the + memory reference code. This should be set to 16KB (0x4000 hex) + so that MRC has enough space to run. + +config MRC_FILE + string "Intel System Agent path and filename" + depends on HAVE_MRC + default "systemagent-ivybridge.bin" if NORTHBRIDGE_INTEL_IVYBRIDGE + default "systemagent-sandybridge.bin" if NORTHBRIDGE_INTEL_SANDYBRIDGE + help + The path and filename of the file to use as System Agent + binary. + +config CPU_SPECIFIC_OPTIONS + def_bool y + select SMM_TSEG + select ARCH_BOOTBLOCK_X86_32 + select ARCH_ROMSTAGE_X86_32 + select ARCH_RAMSTAGE_X86_32 + select SMP + select SSE2 + select UDELAY_LAPIC + select CPU_MICROCODE_IN_CBFS + select TSC_SYNC_MFENCE + select HAVE_INTEL_ME + +config SMM_TSEG_SIZE + hex + default 0x800000 + +config ENABLE_VMX + bool "Enable VMX for virtualization" + default n + help + Virtual Machine Extensions are provided in many x86 CPUs. These + provide various facilities for allowing a host OS to provide an + environment where potentially several guest OSes have only + limited access to the underlying hardware. This is achieved + without resorting to software trapping and/or instruction set + emulation (which would be very slow). + + Intel's implementation of this is called VT-x. This option enables + VT-x this so that the OS that is booted by U-Boot can make use of + these facilities. If this option is not enabled, then the host OS + will be unable to support virtualisation, or it will run very + slowly. + +endif + +config CPU_INTEL_SOCKET_RPGA989 + bool + +if CPU_INTEL_SOCKET_RPGA989 + +config SOCKET_SPECIFIC_OPTIONS # dummy + def_bool y + select MMX + select SSE + select CACHE_AS_RAM + +config CACHE_MRC_BIN + bool + default n + +endif diff --git a/arch/x86/cpu/ivybridge/Makefile b/arch/x86/cpu/ivybridge/Makefile new file mode 100644 index 0000000000..dbcd4bdb3a --- /dev/null +++ b/arch/x86/cpu/ivybridge/Makefile @@ -0,0 +1,9 @@ +# +# Copyright (c) 2014 Google, Inc +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += car.o +obj-y += cpu.o +obj-y += sdram.o diff --git a/arch/x86/cpu/ivybridge/car.S b/arch/x86/cpu/ivybridge/car.S new file mode 100644 index 0000000000..0480813b74 --- /dev/null +++ b/arch/x86/cpu/ivybridge/car.S @@ -0,0 +1,20 @@ +/* + * Copyright (c) 2014 Google, Inc + * + * From Coreboot file cpu/intel/model_206ax/cache_as_ram.inc + * + * Copyright (C) 2000,2007 Ronald G. Minnich <rminnich@gmail.com> + * Copyright (C) 2005 Tyan (written by Yinghai Lu for Tyan) + * Copyright (C) 2007-2008 coresystems GmbH + * Copyright (C) 2012 Kyösti Mälkki <kyosti.malkki@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> + + /* Note: ebp must not be touched in this code */ +.globl car_init +car_init: + /* TODO: Add cache-as-RAM init here */ + jmp car_init_ret diff --git a/arch/x86/cpu/ivybridge/cpu.c b/arch/x86/cpu/ivybridge/cpu.c new file mode 100644 index 0000000000..1cbdaaffe6 --- /dev/null +++ b/arch/x86/cpu/ivybridge/cpu.c @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2014 Google, Inc + * (C) Copyright 2008 + * Graeme Russ, graeme.russ@gmail.com. + * + * Some portions from coreboot src/mainboard/google/link/romstage.c + * Copyright (C) 2007-2010 coresystems GmbH + * Copyright (C) 2011 Google Inc. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <asm/cpu.h> +#include <asm/processor.h> + +DECLARE_GLOBAL_DATA_PTR; + +int arch_cpu_init(void) +{ + int ret; + + timer_set_base(rdtsc()); + + ret = x86_cpu_init_f(); + if (ret) + return ret; + + return 0; +} + +int print_cpuinfo(void) +{ + char processor_name[CPU_MAX_NAME_LEN]; + const char *name; + + /* Print processor name */ + name = cpu_get_name(processor_name); + printf("CPU: %s\n", name); + + return 0; +} diff --git a/arch/x86/cpu/ivybridge/sdram.c b/arch/x86/cpu/ivybridge/sdram.c new file mode 100644 index 0000000000..5f9ae5ecdb --- /dev/null +++ b/arch/x86/cpu/ivybridge/sdram.c @@ -0,0 +1,20 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * (C) Copyright 2010,2011 + * Graeme Russ, <graeme.russ@gmail.com> + * + * Portions from Coreboot mainboard/google/link/romstage.c + * Copyright (C) 2007-2010 coresystems GmbH + * Copyright (C) 2011 Google Inc. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> + +int dram_init(void) +{ + /* TODO: Set up DRAM */ + + return 0; +} |