summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAndrey Petrov <andrey.petrov@intel.com>2017-06-05 13:22:24 -0700
committerAaron Durbin <adurbin@chromium.org>2017-07-13 19:28:27 +0000
commit3e2e0508c2f41242355dfbfe42b9e34adcb1a92a (patch)
tree2b271acdb1a7f9afe3ff4a49cdd226c29914a320
parent5b8987ae46512b5550d15fafd54b270ec913422d (diff)
downloadcoreboot-3e2e0508c2f41242355dfbfe42b9e34adcb1a92a.tar.xz
soc/intel/cannonlake: Add early CPU initialization
Add basic CPU initialization for bootblock, as well as relevant headers. Change-Id: I318b7ea0f3aa5b5d28bf70784ccd20f2fe28cd86 Signed-off-by: Andrey Petrov <andrey.petrov@intel.com> Reviewed-on: https://review.coreboot.org/20066 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
-rw-r--r--src/soc/intel/cannonlake/Kconfig6
-rw-r--r--src/soc/intel/cannonlake/bootblock/cpu.c28
-rw-r--r--src/soc/intel/cannonlake/include/soc/cpu.h54
-rw-r--r--src/soc/intel/cannonlake/include/soc/msr.h41
4 files changed, 129 insertions, 0 deletions
diff --git a/src/soc/intel/cannonlake/Kconfig b/src/soc/intel/cannonlake/Kconfig
index 5da39b961f..3012c6165b 100644
--- a/src/soc/intel/cannonlake/Kconfig
+++ b/src/soc/intel/cannonlake/Kconfig
@@ -11,6 +11,7 @@ config CPU_SPECIFIC_OPTIONS
select ARCH_VERSTAGE_X86_32
select ARCH_RAMSTAGE_X86_32
select ARCH_ROMSTAGE_X86_32
+ select SOC_INTEL_COMMON_BLOCK_TIMER
select HAVE_MONOTONIC_TIMER
select TSC_CONSTANT_RATE
select TSC_MONOTONIC_TIMER
@@ -25,6 +26,7 @@ config CPU_SPECIFIC_OPTIONS
select SOC_INTEL_COMMON_BLOCK_SA
select SOC_INTEL_COMMON_BLOCK
select SOC_INTEL_COMMON_BLOCK_CAR
+ select SOC_INTEL_COMMON_BLOCK_CPU
select SOC_INTEL_COMMON_RESET
select SOC_INTEL_COMMON_BLOCK_LPSS
select SOC_INTEL_COMMON_BLOCK_UART
@@ -64,4 +66,8 @@ config PCR_BASE_ADDRESS
help
This option allows you to select MMIO Base Address of sideband bus.
+config CPU_BCLK_MHZ
+ int
+ default 100
+
endif
diff --git a/src/soc/intel/cannonlake/bootblock/cpu.c b/src/soc/intel/cannonlake/bootblock/cpu.c
new file mode 100644
index 0000000000..5b336da497
--- /dev/null
+++ b/src/soc/intel/cannonlake/bootblock/cpu.c
@@ -0,0 +1,28 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ * Copyright (C) 2017 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <intelblocks/cpulib.h>
+#include <intelblocks/fast_spi.h>
+#include <soc/bootblock.h>
+
+void bootblock_cpu_init(void)
+{
+ /* Temporarily cache the memory-mapped boot media. */
+ if (IS_ENABLED(CONFIG_BOOT_DEVICE_MEMORY_MAPPED) &&
+ IS_ENABLED(CONFIG_BOOT_DEVICE_SPI_FLASH))
+ fast_spi_cache_bios_region();
+}
+
diff --git a/src/soc/intel/cannonlake/include/soc/cpu.h b/src/soc/intel/cannonlake/include/soc/cpu.h
new file mode 100644
index 0000000000..866f7588d2
--- /dev/null
+++ b/src/soc/intel/cannonlake/include/soc/cpu.h
@@ -0,0 +1,54 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ * Copyright (C) 2017 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SOC_CANNONLAKE_CPU_H_
+#define _SOC_CANNONLAKE_CPU_H_
+
+#include <arch/cpu.h>
+#include <device/device.h>
+
+/* Supported CPUIDs */
+#define CPUID_CANNONLAKE_A0 0x60660
+#define CPUID_CANNONLAKE_B0 0x60661
+#define CPUID_CANNONLAKE_C0 0x60662
+
+/* Latency times in units of 1024ns. */
+#define C_STATE_LATENCY_CONTROL_0_LIMIT 0x4e
+#define C_STATE_LATENCY_CONTROL_1_LIMIT 0x76
+#define C_STATE_LATENCY_CONTROL_2_LIMIT 0x94
+#define C_STATE_LATENCY_CONTROL_3_LIMIT 0xfa
+#define C_STATE_LATENCY_CONTROL_4_LIMIT 0x14c
+#define C_STATE_LATENCY_CONTROL_5_LIMIT 0x3f2
+
+/* Power in units of mW */
+#define C1_POWER 0x3e8
+#define C3_POWER 0x1f4
+#define C6_POWER 0x15e
+#define C7_POWER 0xc8
+#define C8_POWER 0xc8
+#define C9_POWER 0xc8
+#define C10_POWER 0xc8
+
+#define C_STATE_LATENCY_MICRO_SECONDS(limit, base) \
+ (((1 << ((base)*5)) * (limit)) / 1000)
+#define C_STATE_LATENCY_FROM_LAT_REG(reg) \
+ C_STATE_LATENCY_MICRO_SECONDS(C_STATE_LATENCY_CONTROL_ ##reg## _LIMIT, \
+ (IRTL_1024_NS >> 10))
+
+/* Configure power limits for turbo mode */
+void set_power_limits(u8 power_limit_1_time);
+
+#endif
diff --git a/src/soc/intel/cannonlake/include/soc/msr.h b/src/soc/intel/cannonlake/include/soc/msr.h
new file mode 100644
index 0000000000..931281a5c9
--- /dev/null
+++ b/src/soc/intel/cannonlake/include/soc/msr.h
@@ -0,0 +1,41 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2014 Google Inc.
+ * Copyright (C) 2017 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SOC_MSR_H_
+#define _SOC_MSR_H_
+
+#include <intelblocks/msr.h>
+
+#define MSR_PIC_MSG_CONTROL 0x2e
+#define MSR_BIOS_UPGD_TRIG 0x7a
+#define IA32_THERM_INTERRUPT 0x19b
+#define IA32_ENERGY_PERFORMANCE_BIAS 0x1b0
+#define ENERGY_POLICY_PERFORMANCE 0
+#define ENERGY_POLICY_NORMAL 6
+#define ENERGY_POLICY_POWERSAVE 15
+#define IA32_PACKAGE_THERM_INTERRUPT 0x1b2
+#define PRMRR_PHYS_BASE_MSR 0x1f4
+#define IA32_PLATFORM_DCA_CAP 0x1f8
+#define MSR_LT_LOCK_MEMORY 0x2e7
+#define MSR_SGX_OWNEREPOCH0 0x300
+#define MSR_SGX_OWNEREPOCH1 0x301
+#define MSR_VR_CURRENT_CONFIG 0x601
+#define MSR_VR_MISC_CONFIG 0x603
+#define MSR_VR_MISC_CONFIG2 0x636
+#define MSR_PP0_POWER_LIMIT 0x638
+#define MSR_PP1_POWER_LIMIT 0x640
+
+#endif