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-rw-r--r--resources/libreboot/patch/kgpe-d16/0028-src-console-Add-x86-printk-spinlock-support.patch149
1 files changed, 0 insertions, 149 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0028-src-console-Add-x86-printk-spinlock-support.patch b/resources/libreboot/patch/kgpe-d16/0028-src-console-Add-x86-printk-spinlock-support.patch
deleted file mode 100644
index 2baeb9c..0000000
--- a/resources/libreboot/patch/kgpe-d16/0028-src-console-Add-x86-printk-spinlock-support.patch
+++ /dev/null
@@ -1,149 +0,0 @@
-From 5748ef1b46c9625a81b63c9141dfe2bf55dccc20 Mon Sep 17 00:00:00 2001
-From: Timothy Pearson <tpearson@raptorengineeringinc.com>
-Date: Sat, 5 Sep 2015 19:23:49 -0500
-Subject: [PATCH 028/139] src/console: Add x86 printk spinlock support
-
-Change-Id: Ib189ab842ede603b8d5080012ceb92e6964d4fe0
-Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
----
- src/Kconfig | 4 ++++
- src/arch/x86/include/arch/smp/spinlock.h | 1 +
- src/console/printk.c | 6 +++---
- src/cpu/amd/car/disable_cache_as_ram.c | 10 ++++++++++
- src/cpu/amd/car/post_cache_as_ram.c | 20 ++++++++++++++------
- 5 files changed, 32 insertions(+), 9 deletions(-)
-
-diff --git a/src/Kconfig b/src/Kconfig
-index 2822bfe..4e46364 100644
---- a/src/Kconfig
-+++ b/src/Kconfig
-@@ -447,6 +447,10 @@ config HAVE_HARD_RESET
- This variable specifies whether a given board has a hard_reset
- function, no matter if it's provided by board code or chipset code.
-
-+config HAVE_ROMSTAGE_CONSOLE_SPINLOCK
-+ bool
-+ default n
-+
- config HAVE_MONOTONIC_TIMER
- def_bool n
- help
-diff --git a/src/arch/x86/include/arch/smp/spinlock.h b/src/arch/x86/include/arch/smp/spinlock.h
-index a5904c7..5000779 100644
---- a/src/arch/x86/include/arch/smp/spinlock.h
-+++ b/src/arch/x86/include/arch/smp/spinlock.h
-@@ -13,6 +13,7 @@ typedef struct {
-
- #ifdef __PRE_RAM__
- spinlock_t* romstage_console_lock(void);
-+void initialize_romstage_console_lock(void);
- #endif
-
- #define SPIN_LOCK_UNLOCKED (spinlock_t) { 1 }
-diff --git a/src/console/printk.c b/src/console/printk.c
-index 2aae980..5a23db0 100644
---- a/src/console/printk.c
-+++ b/src/console/printk.c
-@@ -14,7 +14,7 @@
- #include <stddef.h>
- #include <trace.h>
-
--#if defined(CONFIG_HAVE_ROMSTAGE_CONSOLE_SPINLOCK)
-+#if IS_ENABLED(CONFIG_HAVE_ROMSTAGE_CONSOLE_SPINLOCK)
- #ifndef __PRE_RAM__
- DECLARE_SPIN_LOCK(console_lock)
- #endif
-@@ -47,7 +47,7 @@ int do_printk(int msg_level, const char *fmt, ...)
-
- DISABLE_TRACE;
- #ifdef __PRE_RAM__
--#ifdef CONFIG_HAVE_ROMSTAGE_CONSOLE_SPINLOCK
-+#if IS_ENABLED(CONFIG_HAVE_ROMSTAGE_CONSOLE_SPINLOCK)
- spin_lock(romstage_console_lock());
- #endif
- #else
-@@ -61,7 +61,7 @@ int do_printk(int msg_level, const char *fmt, ...)
- console_tx_flush();
-
- #ifdef __PRE_RAM__
--#ifdef CONFIG_HAVE_ROMSTAGE_CONSOLE_SPINLOCK
-+#if IS_ENABLED(CONFIG_HAVE_ROMSTAGE_CONSOLE_SPINLOCK)
- spin_unlock(romstage_console_lock());
- #endif
- #else
-diff --git a/src/cpu/amd/car/disable_cache_as_ram.c b/src/cpu/amd/car/disable_cache_as_ram.c
-index 3b464b8..5eccf79 100644
---- a/src/cpu/amd/car/disable_cache_as_ram.c
-+++ b/src/cpu/amd/car/disable_cache_as_ram.c
-@@ -24,6 +24,16 @@
-
- #include <cpu/x86/cache.h>
-
-+static inline __attribute__((always_inline)) uint32_t amd_fam1x_cpu_family(void)
-+{
-+ uint32_t family;
-+
-+ family = cpuid_eax(0x80000001);
-+ family = ((family & 0xf00000) >> 16) | ((family & 0xf00) >> 8);
-+
-+ return family;
-+}
-+
- static inline __attribute__((always_inline)) void disable_cache_as_ram(void)
- {
- msr_t msr;
-diff --git a/src/cpu/amd/car/post_cache_as_ram.c b/src/cpu/amd/car/post_cache_as_ram.c
-index e265de1..257b41a 100644
---- a/src/cpu/amd/car/post_cache_as_ram.c
-+++ b/src/cpu/amd/car/post_cache_as_ram.c
-@@ -84,6 +84,10 @@ static void prepare_ramstage_region(void *resume_backup_memory)
- memset_((void*)0, 0, CONFIG_RAMTOP - backup_top);
- }
-
-+#if IS_ENABLED(CONFIG_HAVE_ROMSTAGE_CONSOLE_SPINLOCK)
-+ initialize_romstage_console_lock();
-+#endif
-+
- print_car_debug("Done\n");
- }
-
-@@ -92,18 +96,19 @@ static void prepare_ramstage_region(void *resume_backup_memory)
- static void vErrata343(void)
- {
- #ifdef BU_CFG2_MSR
-- msr_t msr;
-- unsigned int uiMask = 0xFFFFFFF7;
-+ msr_t msr;
-+ unsigned int uiMask = 0xFFFFFFF7;
-
-- msr = rdmsr(BU_CFG2_MSR);
-- msr.hi &= uiMask; // set bit 35 to 0
-- wrmsr(BU_CFG2_MSR, msr);
-+ msr = rdmsr(BU_CFG2_MSR);
-+ msr.hi &= uiMask; // IcDisSpecTlbWr (bit 35) = 0
-+ wrmsr(BU_CFG2_MSR, msr);
- #endif
- }
-
- void post_cache_as_ram(void)
- {
- void *resume_backup_memory = NULL;
-+ uint32_t family = amd_fam1x_cpu_family();
-
- struct romstage_handoff *handoff;
- handoff = romstage_handoff_find_or_add();
-@@ -120,7 +125,10 @@ void post_cache_as_ram(void)
- prepare_romstage_ramstack(resume_backup_memory);
-
- /* from here don't store more data in CAR */
-- vErrata343();
-+ if (family < 0x6f) {
-+ /* Family 10h or earlier */
-+ vErrata343();
-+ }
-
- size_t car_size = car_data_size();
- void *migrated_car = (void *)(CONFIG_RAMTOP - car_size);
---
-1.9.1
-