diff options
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0022-cpu-amd-car-Add-initial-Suspend-to-RAM-S3-support.patch')
| -rw-r--r-- | resources/libreboot/patch/kgpe-d16/0022-cpu-amd-car-Add-initial-Suspend-to-RAM-S3-support.patch | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0022-cpu-amd-car-Add-initial-Suspend-to-RAM-S3-support.patch b/resources/libreboot/patch/kgpe-d16/0022-cpu-amd-car-Add-initial-Suspend-to-RAM-S3-support.patch new file mode 100644 index 00000000..3afb5d5c --- /dev/null +++ b/resources/libreboot/patch/kgpe-d16/0022-cpu-amd-car-Add-initial-Suspend-to-RAM-S3-support.patch @@ -0,0 +1,56 @@ +From 9731b8e1e997c083bb2084085fb6d4c46d96910f Mon Sep 17 00:00:00 2001 +From: Timothy Pearson <tpearson@raptorengineeringinc.com> +Date: Sat, 5 Sep 2015 18:46:24 -0500 +Subject: [PATCH 022/143] cpu/amd/car: Add initial Suspend to RAM (S3) support + +Change-Id: I1e1a67fa3c2c13cebcf8f0af318055b9d97d0a59 +Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> +--- + src/cpu/amd/car/post_cache_as_ram.c | 12 ++++++++++++ + 1 file changed, 12 insertions(+) + +diff --git a/src/cpu/amd/car/post_cache_as_ram.c b/src/cpu/amd/car/post_cache_as_ram.c +index 230d1aa..e265de1 100644 +--- a/src/cpu/amd/car/post_cache_as_ram.c ++++ b/src/cpu/amd/car/post_cache_as_ram.c +@@ -1,4 +1,5 @@ + /* Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering ++ * Copyright (C) 2012 ChromeOS Authors + * 2005.6 by yhlu + * 2006.3 yhlu add copy data from CAR to ram + */ +@@ -9,6 +10,7 @@ + #include <cpu/amd/mtrr.h> + #include <cpu/amd/car.h> + #include <arch/acpi.h> ++#include <romstage_handoff.h> + #include "cbmem.h" + #include "cpu/amd/car/disable_cache_as_ram.c" + +@@ -103,6 +105,13 @@ void post_cache_as_ram(void) + { + void *resume_backup_memory = NULL; + ++ struct romstage_handoff *handoff; ++ handoff = romstage_handoff_find_or_add(); ++ if (handoff != NULL) ++ handoff->s3_resume = acpi_is_wakeup_s3(); ++ else ++ printk(BIOS_DEBUG, "Romstage handoff structure not added!\n"); ++ + int s3resume = acpi_is_wakeup_s3(); + if (s3resume) { + cbmem_recovery(s3resume); +@@ -150,6 +159,9 @@ void cache_as_ram_new_stack (void) + + if (acpi_is_wakeup_s3()) { + resume_backup_memory = cbmem_find(CBMEM_ID_RESUME); ++#if PRINTK_IN_CAR ++ printk(BIOS_DEBUG, "Resume backup memory location: %p\n", resume_backup_memory); ++#endif + } + prepare_ramstage_region(resume_backup_memory); + +-- +1.7.9.5 + |