diff options
Diffstat (limited to 'config/coreboot/default/patches/0036-nb-intel-haswell-make-IOMMU-a-runtime-option.patch')
| -rw-r--r-- | config/coreboot/default/patches/0036-nb-intel-haswell-make-IOMMU-a-runtime-option.patch | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/config/coreboot/default/patches/0036-nb-intel-haswell-make-IOMMU-a-runtime-option.patch b/config/coreboot/default/patches/0036-nb-intel-haswell-make-IOMMU-a-runtime-option.patch deleted file mode 100644 index 8401e8b8..00000000 --- a/config/coreboot/default/patches/0036-nb-intel-haswell-make-IOMMU-a-runtime-option.patch +++ /dev/null @@ -1,292 +0,0 @@ -From 7c755b4502ea007f2216ea76f2ed734452def883 Mon Sep 17 00:00:00 2001 -From: Leah Rowe <info@minifree.org> -Date: Sat, 2 Mar 2024 22:51:09 +0000 -Subject: [PATCH 1/2] nb/intel/haswell: make IOMMU a runtime option - -When I tested graphics cards on a coreboot port for Dell -OptiPlex 9020 SFF, I could not use a graphics card unless -I set iommu=off on the Linux cmdline. - -Coreboot's current behaviour is to check whether the CPU -has vt-d support and, if it does, initialise the IOMMU. - -This patch maintains the current behaviour by default, but -allows the user to turn *off* the IOMMU, even if vt-d is -supported by the host CPU. - -If iommu=Disable is specified, the check will not be -performed, and the IOMMU will be left disabled. This option -has been added to all current Haswell boards, though it is -recommended to leave the IOMMU turned on in most setups. - -Signed-off-by: Leah Rowe <info@minifree.org> ---- - src/mainboard/asrock/b85m_pro4/cmos.default | 1 + - src/mainboard/asrock/b85m_pro4/cmos.layout | 3 +++ - src/mainboard/asrock/h81m-hds/cmos.default | 1 + - src/mainboard/asrock/h81m-hds/cmos.layout | 6 ++++++ - src/mainboard/dell/optiplex_9020/cmos.default | 1 + - src/mainboard/dell/optiplex_9020/cmos.layout | 6 ++++++ - src/mainboard/google/beltino/cmos.layout | 5 +++++ - src/mainboard/google/slippy/cmos.layout | 5 +++++ - src/mainboard/intel/baskingridge/cmos.layout | 4 ++++ - src/mainboard/lenovo/haswell/cmos.default | 1 + - src/mainboard/lenovo/haswell/cmos.layout | 3 +++ - src/mainboard/supermicro/x10slm-f/cmos.default | 1 + - src/mainboard/supermicro/x10slm-f/cmos.layout | 6 ++++++ - src/northbridge/intel/haswell/early_init.c | 5 +++++ - 14 files changed, 48 insertions(+) - -diff --git a/src/mainboard/asrock/b85m_pro4/cmos.default b/src/mainboard/asrock/b85m_pro4/cmos.default -index c51001c03c..1c5c17f841 100644 ---- a/src/mainboard/asrock/b85m_pro4/cmos.default -+++ b/src/mainboard/asrock/b85m_pro4/cmos.default -@@ -2,3 +2,4 @@ boot_option=Fallback - debug_level=Debug - nmi=Enable - power_on_after_fail=Disable -+iommu=Enable -diff --git a/src/mainboard/asrock/b85m_pro4/cmos.layout b/src/mainboard/asrock/b85m_pro4/cmos.layout -index efdc333fc2..c9883ea71d 100644 ---- a/src/mainboard/asrock/b85m_pro4/cmos.layout -+++ b/src/mainboard/asrock/b85m_pro4/cmos.layout -@@ -11,6 +11,7 @@ - 395 4 e 4 debug_level - 408 1 e 1 nmi - 409 2 e 5 power_on_after_fail -+ 412 1 e 6 iommu - 984 16 h 0 check_sum - # ----------------------------------------------------------------- - -@@ -38,6 +39,8 @@ - 5 0 Disable - 5 1 Enable - 5 2 Keep -+ 6 0 Disable -+ 6 1 Enable - # ----------------------------------------------------------------- - - # ----------------------------------------------------------------- -diff --git a/src/mainboard/asrock/h81m-hds/cmos.default b/src/mainboard/asrock/h81m-hds/cmos.default -index c51001c03c..1c5c17f841 100644 ---- a/src/mainboard/asrock/h81m-hds/cmos.default -+++ b/src/mainboard/asrock/h81m-hds/cmos.default -@@ -2,3 +2,4 @@ boot_option=Fallback - debug_level=Debug - nmi=Enable - power_on_after_fail=Disable -+iommu=Enable -diff --git a/src/mainboard/asrock/h81m-hds/cmos.layout b/src/mainboard/asrock/h81m-hds/cmos.layout -index c9ba76c78f..95ee3d36fb 100644 ---- a/src/mainboard/asrock/h81m-hds/cmos.layout -+++ b/src/mainboard/asrock/h81m-hds/cmos.layout -@@ -21,6 +21,9 @@ entries - 408 1 e 1 nmi - 409 2 e 5 power_on_after_fail - -+# enable or disable iommu -+412 1 e 6 iommu -+ - # coreboot config options: check sums - 984 16 h 0 check_sum - -@@ -52,6 +55,9 @@ enumerations - 5 1 Enable - 5 2 Keep - -+6 0 Disable -+6 1 Enable -+ - # ----------------------------------------------------------------- - checksums - -diff --git a/src/mainboard/dell/optiplex_9020/cmos.default b/src/mainboard/dell/optiplex_9020/cmos.default -index b159660aa8..8253570f19 100644 ---- a/src/mainboard/dell/optiplex_9020/cmos.default -+++ b/src/mainboard/dell/optiplex_9020/cmos.default -@@ -2,3 +2,4 @@ boot_option=Fallback - debug_level=Debug - nmi=Disable - power_on_after_fail=Disable -+iommu=Enable -diff --git a/src/mainboard/dell/optiplex_9020/cmos.layout b/src/mainboard/dell/optiplex_9020/cmos.layout -index c9ba76c78f..72ff9c4bee 100644 ---- a/src/mainboard/dell/optiplex_9020/cmos.layout -+++ b/src/mainboard/dell/optiplex_9020/cmos.layout -@@ -21,6 +21,9 @@ entries - 408 1 e 1 nmi - 409 2 e 5 power_on_after_fail - -+# turn iommu on or off -+412 1 e 6 iommu -+ - # coreboot config options: check sums - 984 16 h 0 check_sum - -@@ -52,6 +55,9 @@ enumerations - 5 1 Enable - 5 2 Keep - -+6 0 Disable -+6 1 Enable -+ - # ----------------------------------------------------------------- - checksums - -diff --git a/src/mainboard/google/beltino/cmos.layout b/src/mainboard/google/beltino/cmos.layout -index 78d44c1415..c143979ae1 100644 ---- a/src/mainboard/google/beltino/cmos.layout -+++ b/src/mainboard/google/beltino/cmos.layout -@@ -19,6 +19,9 @@ entries - 408 1 e 1 nmi - 409 2 e 7 power_on_after_fail - -+# enable or disable iommu -+412 1 e 8 iommu -+ - # coreboot config options: bootloader - #Used by ChromeOS: - 416 128 r 0 vbnv -@@ -47,6 +50,8 @@ enumerations - 7 0 Disable - 7 1 Enable - 7 2 Keep -+8 0 Disable -+8 1 Enable - # ----------------------------------------------------------------- - checksums - -diff --git a/src/mainboard/google/slippy/cmos.layout b/src/mainboard/google/slippy/cmos.layout -index 78d44c1415..c143979ae1 100644 ---- a/src/mainboard/google/slippy/cmos.layout -+++ b/src/mainboard/google/slippy/cmos.layout -@@ -19,6 +19,9 @@ entries - 408 1 e 1 nmi - 409 2 e 7 power_on_after_fail - -+# enable or disable iommu -+412 1 e 8 iommu -+ - # coreboot config options: bootloader - #Used by ChromeOS: - 416 128 r 0 vbnv -@@ -47,6 +50,8 @@ enumerations - 7 0 Disable - 7 1 Enable - 7 2 Keep -+8 0 Disable -+8 1 Enable - # ----------------------------------------------------------------- - checksums - -diff --git a/src/mainboard/intel/baskingridge/cmos.layout b/src/mainboard/intel/baskingridge/cmos.layout -index 78d44c1415..f2c602f541 100644 ---- a/src/mainboard/intel/baskingridge/cmos.layout -+++ b/src/mainboard/intel/baskingridge/cmos.layout -@@ -19,6 +19,8 @@ entries - 408 1 e 1 nmi - 409 2 e 7 power_on_after_fail - -+412 1 e 8 iommu -+ - # coreboot config options: bootloader - #Used by ChromeOS: - 416 128 r 0 vbnv -@@ -47,6 +49,8 @@ enumerations - 7 0 Disable - 7 1 Enable - 7 2 Keep -+8 0 Disable -+8 1 Enable - # ----------------------------------------------------------------- - checksums - -diff --git a/src/mainboard/lenovo/haswell/cmos.default b/src/mainboard/lenovo/haswell/cmos.default -index bb8626d48b..051658d757 100644 ---- a/src/mainboard/lenovo/haswell/cmos.default -+++ b/src/mainboard/lenovo/haswell/cmos.default -@@ -12,3 +12,4 @@ trackpoint=Enable - backlight=Keyboard - enable_dual_graphics=Disable - usb_always_on=Disable -+iommu=Enable -diff --git a/src/mainboard/lenovo/haswell/cmos.layout b/src/mainboard/lenovo/haswell/cmos.layout -index 27915d3ab7..59df76b64c 100644 ---- a/src/mainboard/lenovo/haswell/cmos.layout -+++ b/src/mainboard/lenovo/haswell/cmos.layout -@@ -23,6 +23,7 @@ entries - - # coreboot config options: EC - 411 1 e 8 first_battery -+413 1 e 14 iommu - 415 1 e 1 wlan - 416 1 e 1 trackpoint - 417 1 e 1 fn_ctrl_swap -@@ -72,6 +73,8 @@ enumerations - 13 0 Disable - 13 1 AC and battery - 13 2 AC only -+14 0 Disable -+14 1 Enable - - # ----------------------------------------------------------------- - checksums -diff --git a/src/mainboard/supermicro/x10slm-f/cmos.default b/src/mainboard/supermicro/x10slm-f/cmos.default -index f4047147f7..eea2c36b88 100644 ---- a/src/mainboard/supermicro/x10slm-f/cmos.default -+++ b/src/mainboard/supermicro/x10slm-f/cmos.default -@@ -3,3 +3,4 @@ debug_level=Debug - nmi=Enable - power_on_after_fail=Keep - hide_ast2400=Disable -+iommu=Enable -diff --git a/src/mainboard/supermicro/x10slm-f/cmos.layout b/src/mainboard/supermicro/x10slm-f/cmos.layout -index 38ba87aa45..24d39e97ee 100644 ---- a/src/mainboard/supermicro/x10slm-f/cmos.layout -+++ b/src/mainboard/supermicro/x10slm-f/cmos.layout -@@ -21,6 +21,9 @@ entries - 408 1 e 1 nmi - 409 2 e 5 power_on_after_fail - -+# enable or disable iommu -+412 1 e 6 iommu -+ - # coreboot config options: mainboard - 416 1 e 1 hide_ast2400 - -@@ -55,6 +58,9 @@ enumerations - 5 1 Enable - 5 2 Keep - -+6 0 Disable -+6 1 Enable -+ - # ----------------------------------------------------------------- - checksums - -diff --git a/src/northbridge/intel/haswell/early_init.c b/src/northbridge/intel/haswell/early_init.c -index e47deb5da6..1a7e0b1076 100644 ---- a/src/northbridge/intel/haswell/early_init.c -+++ b/src/northbridge/intel/haswell/early_init.c -@@ -5,6 +5,7 @@ - #include <device/mmio.h> - #include <device/pci_def.h> - #include <device/pci_ops.h> -+#include <option.h> - - #include "haswell.h" - -@@ -157,6 +158,10 @@ static void haswell_setup_misc(void) - static void haswell_setup_iommu(void) - { - const u32 capid0_a = pci_read_config32(HOST_BRIDGE, CAPID0_A); -+ u8 enable_iommu = get_uint_option("iommu", 1); -+ -+ if (!enable_iommu) -+ return; - - if (capid0_a & VTD_DISABLE) - return; --- -2.39.2 - |