From 2fc0b1c0184fa74acd7c1003f717039bc4b1457e Mon Sep 17 00:00:00 2001 From: Johnny Lin Date: Mon, 20 Apr 2020 18:56:52 +0800 Subject: [PATCH] soc/xeon_sp/skx: Define MSR PPIN related registers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit These changes are in accordance with the documentation: [*] page 208-209 Intel(R) 64 and IA-32 Architectures, Software Developer’s Manual, Volume 4: Model-Specific Registers. May 2019. Order Number: 335592-070US Tested on OCP Tioga Pass. Signed-off-by: Johnny Lin Change-Id: I5e1de8bcb651fb8ae8b106db1978235b0dd84c47 Reviewed-on: https://review.coreboot.org/c/coreboot/+/40523 Reviewed-by: Frans Hendriks Reviewed-by: Maxim Polyakov Tested-by: build bot (Jenkins) --- src/soc/intel/xeon_sp/skx/include/soc/msr.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/src/soc/intel/xeon_sp/skx/include/soc/msr.h b/src/soc/intel/xeon_sp/skx/include/soc/msr.h index 2b1597bb4f..dd05adc83f 100644 --- a/src/soc/intel/xeon_sp/skx/include/soc/msr.h +++ b/src/soc/intel/xeon_sp/skx/include/soc/msr.h @@ -96,4 +96,13 @@ #define EPB_ENERGY_POLICY_SHIFT 3 #define EPB_ENERGY_POLICY_MASK (0xf << EPB_ENERGY_POLICY_SHIFT) +/* MSR Protected Processor Inventory Number */ +#define MSR_PPIN_CTL 0x04e +#define MSR_PPIN_CTL_LOCK 0x1 +#define MSR_PPIN_CTL_ENABLE_SHIFT 1 +#define MSR_PPIN_CTL_ENABLE (0x1 << MSR_PPIN_CTL_ENABLE_SHIFT) +#define MSR_PPIN 0x04f +#define MSR_PPIN_CAP_SHIFT 23 +#define MSR_PPIN_CAP (0x1 << MSR_PPIN_CAP_SHIFT) + #endif /* _SOC_MSR_H_ */