From 7c6dd796f26f8f23eb531cf13bd79d22cfad945a Mon Sep 17 00:00:00 2001 From: Dinesh Gehlot Date: Tue, 15 Nov 2022 15:39:01 +0000 Subject: soc/intel/meteorlake: Implement report_cache_info() function Make use of deterministic cache helper functions from Meteor Lake SoC code to print useful information during boot as below: Cache: Level 3: Associativity = 12 Partitions = 1 Line Size = 64 Sets = 32768 Cache size = 24 MiB Port of commit 55f5410fcd78 ("soc/intel/alderlake: Implement report_cache_info() function") BUG=none TEST=Build and Boot verified on google/rex Signed-off-by: Dinesh Gehlot Change-Id: I561658c8da0136d6c3d9578f22f5d320e542457d Reviewed-on: https://review.coreboot.org/c/coreboot/+/69681 Reviewed-by: Kapil Porwal Tested-by: build bot (Jenkins) Reviewed-by: Subrata Banik --- src/soc/intel/meteorlake/bootblock/report_platform.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'src') diff --git a/src/soc/intel/meteorlake/bootblock/report_platform.c b/src/soc/intel/meteorlake/bootblock/report_platform.c index 6acf9227c8..156102d696 100644 --- a/src/soc/intel/meteorlake/bootblock/report_platform.c +++ b/src/soc/intel/meteorlake/bootblock/report_platform.c @@ -1,5 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0-only */ +#include #include #include #include @@ -65,6 +66,21 @@ static inline uint16_t get_dev_id(pci_devfn_t dev) return pci_read_config16(dev, PCI_DEVICE_ID); } +static void report_cache_info(void) +{ + int cache_level = CACHE_L3; + struct cpu_cache_info info; + + if (!fill_cpu_cache_info(cache_level, &info)) + return; + + printk(BIOS_INFO, "Cache: Level %d: ", cache_level); + printk(BIOS_INFO, "Associativity = %zd Partitions = %zd Line Size = %zd Sets = %zd\n", + info.num_ways, info.physical_partitions, info.line_size, info.num_sets); + + printk(BIOS_INFO, "Cache size = %zu MiB\n", get_cache_size(&info)/MiB); +} + static void report_cpu_info(void) { u32 i, cpu_id, cpu_feature_flag; @@ -95,6 +111,8 @@ static void report_cpu_info(void) printk(BIOS_DEBUG, "CPU: AES %ssupported, TXT %ssupported, VT %ssupported\n", mode[aes], mode[txt], mode[vt]); + + report_cache_info(); } static void report_mch_info(void) -- cgit v1.2.3