diff options
Diffstat (limited to 'resources/libreboot/patch')
3 files changed, 52 insertions, 0 deletions
diff --git a/resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/macbook21/reused.list b/resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/macbook21/reused.list index e4a183e..5dd5800 100644 --- a/resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/macbook21/reused.list +++ b/resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/macbook21/reused.list @@ -1 +1,2 @@ /resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/x60/0001-i945-Enable-changing-VRAM-size.patch +/resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/x60/0004-model_6ex-enable-C2E-C4E-dynamic-lvl-2-cache.patch diff --git a/resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/t60/reused.list b/resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/t60/reused.list index 0522196..157e1cf 100644 --- a/resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/t60/reused.list +++ b/resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/t60/reused.list @@ -1,2 +1,3 @@ /resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/x60/0001-NOTFORMERGE-ec-lenovo-h8-wlan-trackpoint-touchpad-bl.patch /resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/x60/0001-i945-Enable-changing-VRAM-size.patch +/resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/x60/0004-model_6ex-enable-C2E-C4E-dynamic-lvl-2-cache.patch diff --git a/resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/x60/0004-model_6ex-enable-C2E-C4E-dynamic-lvl-2-cache.patch b/resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/x60/0004-model_6ex-enable-C2E-C4E-dynamic-lvl-2-cache.patch new file mode 100644 index 0000000..14f809a --- /dev/null +++ b/resources/libreboot/patch/coreboot/2a3434757ef425dbdfedf1fc69e1a033a6e7310d/grub/x60/0004-model_6ex-enable-C2E-C4E-dynamic-lvl-2-cache.patch @@ -0,0 +1,50 @@ +From 483bbb3ec7965ca2416fda9e11687bcd655d078d Mon Sep 17 00:00:00 2001 +From: Arthur Heymans <arthur@aheymans.xyz> +Date: Tue, 31 May 2016 16:51:59 +0200 +Subject: [PATCH] model_6ex: enable C2E, C4E, dynamic lvl 2 cache. + +Change-Id: Ie538d2145640c7b50ac0a0fa432d98ae2c4be060 + +diff --git a/src/cpu/intel/model_6ex/model_6ex_init.c b/src/cpu/intel/model_6ex/model_6ex_init.c +index 6fa6d3a..8ff276a 100644 +--- a/src/cpu/intel/model_6ex/model_6ex_init.c ++++ b/src/cpu/intel/model_6ex/model_6ex_init.c +@@ -67,9 +67,10 @@ static void configure_c_states(void) + + msr = rdmsr(MSR_PMG_CST_CONFIG_CONTROL); + msr.lo |= (1 << 15); // config lock until next reset. ++ msr.lo |= (1 << 14); // Deeper Sleep + msr.lo |= (1 << 10); // Enable I/O MWAIT redirection for C-States + msr.lo &= ~(1 << 9); // Issue a single stop grant cycle upon stpclk +- // TODO Do we want Deep C4 and Dynamic L2 shrinking? ++ msr.lo |= (1 << 3); // Dynamic L2 + + /* Number of supported C-States */ + msr.lo &= ~7; +@@ -94,16 +95,20 @@ static void configure_misc(void) + msr_t msr; + + msr = rdmsr(IA32_MISC_ENABLE); +- msr.lo |= (1 << 3); /* TM1 enable */ ++ msr.lo |= (1 << 3); /* TM1 enable */ + msr.lo |= (1 << 13); /* TM2 enable */ + msr.lo |= (1 << 17); /* Bidirectional PROCHOT# */ + + msr.lo |= (1 << 10); /* FERR# multiplexing */ + +- // TODO: Only if IA32_PLATFORM_ID[17] = 0 and IA32_PLATFORM_ID[50] = 1 + msr.lo |= (1 << 16); /* Enhanced SpeedStep Enable */ ++ /* Enable C2E */ ++ msr.lo |= (1 << 26); ++ ++ /* Enable C4E */ ++ msr.hi |= (1 << (32 - 32)); // C4E ++ msr.hi |= (1 << (33 - 32)); // Hard C4E + +- // TODO Do we want Deep C4 and Dynamic L2 shrinking? + wrmsr(IA32_MISC_ENABLE, msr); + + msr.lo |= (1 << 20); /* Lock Enhanced SpeedStep Enable */ +-- +2.8.3 + |