diff options
Diffstat (limited to 'resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0003-mainboard-asus-kgpe-d16-Enable-romstage-spinlocks.patch')
| -rw-r--r-- | resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0003-mainboard-asus-kgpe-d16-Enable-romstage-spinlocks.patch | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0003-mainboard-asus-kgpe-d16-Enable-romstage-spinlocks.patch b/resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0003-mainboard-asus-kgpe-d16-Enable-romstage-spinlocks.patch new file mode 100644 index 0000000..2d49a2f --- /dev/null +++ b/resources/libreboot/patch/coreboot/369b561315ca68d0cdedc38208105a513c7139b5/grub/kcma-d8/0003-mainboard-asus-kgpe-d16-Enable-romstage-spinlocks.patch @@ -0,0 +1,72 @@ +From 013c91f9f6699cfefcda0d0745db7bd999d7cdb5 Mon Sep 17 00:00:00 2001 +From: Timothy Pearson <tpearson@raptorengineeringinc.com> +Date: Thu, 5 Nov 2015 13:16:55 -0600 +Subject: [PATCH 03/45] mainboard/asus/kgpe-d16: Enable romstage spinlocks + +Change-Id: Iac1adbeacdcded7faff2443b78a491cbb8a90fe8 +Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> +--- + src/mainboard/asus/kgpe-d16/Kconfig | 1 + + src/mainboard/asus/kgpe-d16/romstage.c | 20 +++++++++++++++----- + 2 files changed, 16 insertions(+), 5 deletions(-) + +diff --git a/src/mainboard/asus/kgpe-d16/Kconfig b/src/mainboard/asus/kgpe-d16/Kconfig +index c4f3962..67b43ca 100644 +--- a/src/mainboard/asus/kgpe-d16/Kconfig ++++ b/src/mainboard/asus/kgpe-d16/Kconfig +@@ -14,6 +14,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy + select SOUTHBRIDGE_AMD_SUBTYPE_SP5100 + select SUPERIO_NUVOTON_NCT5572D + select PARALLEL_CPU_INIT ++ select HAVE_ROMSTAGE_CONSOLE_SPINLOCK + select HAVE_HARD_RESET + select HAVE_OPTION_TABLE + select HAVE_CMOS_DEFAULT +diff --git a/src/mainboard/asus/kgpe-d16/romstage.c b/src/mainboard/asus/kgpe-d16/romstage.c +index df76ab4..13eacd2 100644 +--- a/src/mainboard/asus/kgpe-d16/romstage.c ++++ b/src/mainboard/asus/kgpe-d16/romstage.c +@@ -312,6 +312,18 @@ static void execute_memory_test(void) + } + #endif + ++static spinlock_t printk_spinlock CAR_GLOBAL; ++ ++spinlock_t* romstage_console_lock(void) ++{ ++ return car_get_var_ptr(&printk_spinlock); ++} ++ ++void initialize_romstage_console_lock(void) ++{ ++ car_get_var(printk_spinlock) = SPIN_LOCK_UNLOCKED; ++} ++ + void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) + { + uint32_t esp; +@@ -338,6 +350,9 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) + timestamp_init(timestamp_get()); + timestamp_add_now(TS_START_ROMSTAGE); + ++ /* Initialize the printk spinlock */ ++ initialize_romstage_console_lock(); ++ + /* Nothing special needs to be done to find bus 0 */ + /* Allow the HT devices to be found */ + set_bsp_node_CHtExtNodeCfgEn(); +@@ -407,11 +422,6 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx) + post_code(0x36); + + /* Wait for all the APs core0 started by finalize_node_setup. */ +- /* FIXME: A bunch of cores are going to start output to serial at once. +- * It would be nice to fix up prink spinlocks for ROM XIP mode. +- * I think it could be done by putting the spinlock flag in the cache +- * of the BSP located right after sysinfo. +- */ + wait_all_core0_started(); + + /* run _early_setup before soft-reset. */ +-- +2.1.4 + |