summaryrefslogtreecommitdiff
path: root/config/coreboot/dell/patches/0016-fix-speedstep-on-x200-t400-Revert-cpu-intel-model_10.patch
diff options
context:
space:
mode:
authorLeah Rowe <leah@libreboot.org>2024-01-25 15:58:29 +0000
committerLeah Rowe <leah@libreboot.org>2024-01-25 16:09:19 +0000
commit614c5efa6550a0c1935965848a2b86382bf6c67a (patch)
treef095be3e14704c5271c45c9209d0279bd42857be /config/coreboot/dell/patches/0016-fix-speedstep-on-x200-t400-Revert-cpu-intel-model_10.patch
parent4a6dc5553f2a15542f730ca735fb8bf95fb8f49b (diff)
update coreboot/dell to same rev as default
re-use the same patches, and drop the same patches. this tree uses hell's special ddr2 fix, which we apply for the dell latitude e6400. Signed-off-by: Leah Rowe <leah@libreboot.org>
Diffstat (limited to 'config/coreboot/dell/patches/0016-fix-speedstep-on-x200-t400-Revert-cpu-intel-model_10.patch')
-rw-r--r--config/coreboot/dell/patches/0016-fix-speedstep-on-x200-t400-Revert-cpu-intel-model_10.patch47
1 files changed, 0 insertions, 47 deletions
diff --git a/config/coreboot/dell/patches/0016-fix-speedstep-on-x200-t400-Revert-cpu-intel-model_10.patch b/config/coreboot/dell/patches/0016-fix-speedstep-on-x200-t400-Revert-cpu-intel-model_10.patch
deleted file mode 100644
index 0f9b192d..00000000
--- a/config/coreboot/dell/patches/0016-fix-speedstep-on-x200-t400-Revert-cpu-intel-model_10.patch
+++ /dev/null
@@ -1,47 +0,0 @@
-From 3ec06fa2393995b87af1dbc0387c5d3255d5c0db Mon Sep 17 00:00:00 2001
-From: Leah Rowe <leah@libreboot.org>
-Date: Wed, 1 Dec 2021 02:53:00 +0000
-Subject: [PATCH 16/22] fix speedstep on x200/t400: Revert
- "cpu/intel/model_1067x: enable PECI"
-
-This reverts commit 70fea013c7ebd6d85a7806748233fcfd76802f5f.
-
-Enabling PECI without microcode updates loaded causes the CPUID feature set
-to become corrupted. And one consequence is broken SpeedStep. At least, that's
-my understanding looking at Intel Errata. This revert is not a fix, because
-upstream is correct (upstream assumes microcode updates). We will simply
-maintain this revert patch in Libreboot, from now on.
----
- src/cpu/intel/model_1067x/model_1067x_init.c | 9 ---------
- 1 file changed, 9 deletions(-)
-
-diff --git a/src/cpu/intel/model_1067x/model_1067x_init.c b/src/cpu/intel/model_1067x/model_1067x_init.c
-index 315e7c36fc..1423fd72bc 100644
---- a/src/cpu/intel/model_1067x/model_1067x_init.c
-+++ b/src/cpu/intel/model_1067x/model_1067x_init.c
-@@ -141,8 +141,6 @@ static void configure_emttm_tables(void)
- wrmsr(MSR_EMTTM_CR_TABLE(5), msr);
- }
-
--#define IA32_PECI_CTL 0x5a0
--
- static void configure_misc(const int eist, const int tm2, const int emttm)
- {
- msr_t msr;
-@@ -185,13 +183,6 @@ static void configure_misc(const int eist, const int tm2, const int emttm)
- msr.lo |= (1 << 20); /* Lock Enhanced SpeedStep Enable */
- wrmsr(IA32_MISC_ENABLE, msr);
- }
--
-- /* Enable PECI
-- WARNING: due to Erratum AW67 described in Intel document #318733
-- the microcode must be updated before this MSR is written to. */
-- msr = rdmsr(IA32_PECI_CTL);
-- msr.lo |= 1;
-- wrmsr(IA32_PECI_CTL, msr);
- }
-
- #define PIC_SENS_CFG 0x1aa
---
-2.39.2
-