[coreboot-gerrit] Patch set updated for coreboot: mainboard/asus/kgpe-d16: Enable romstage microcode spinlocks

[Timothy Pearson (tpearson@raptorengineeringinc.com)]

Timothy Pearson (tpearson at raptorengineeringinc.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/12809

-gerrit

commit 593a2ab4267ca718227e35d8b5414dae1a76ff2a
Author: Timothy Pearson <tpearson at raptorengineeringinc.com>
Date:   Thu Dec 24 13:26:18 2015 -0600

    mainboard/asus/kgpe-d16: Enable romstage microcode spinlocks
    
    Change-Id: I93687efc5405359286d3197f0e59ec3b118c5100
    Signed-off-by: Timothy Pearson <tpearson at raptorengineeringinc.com>
---
 src/mainboard/asus/kgpe-d16/Kconfig    |  1 +
 src/mainboard/asus/kgpe-d16/romstage.c | 15 ++++++++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/mainboard/asus/kgpe-d16/Kconfig b/src/mainboard/asus/kgpe-d16/Kconfig
index 49dd37b..f394ca9 100644
--- a/src/mainboard/asus/kgpe-d16/Kconfig
+++ b/src/mainboard/asus/kgpe-d16/Kconfig
@@ -16,6 +16,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select PARALLEL_CPU_INIT
 	select HAVE_ROMSTAGE_CONSOLE_SPINLOCK
 	select HAVE_ROMSTAGE_NVRAM_CBFS_SPINLOCK
+	select HAVE_ROMSTAGE_MICROCODE_CBFS_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 f9af195..09de4b5 100644
--- a/src/mainboard/asus/kgpe-d16/romstage.c
+++ b/src/mainboard/asus/kgpe-d16/romstage.c
@@ -336,6 +336,18 @@ void initialize_romstage_nvram_cbfs_lock(void)
 	car_get_var(nvram_cbfs_spinlock) = SPIN_LOCK_UNLOCKED;
 }
 
+static spinlock_t microcode_cbfs_spinlock CAR_GLOBAL;
+
+spinlock_t* romstage_microcode_cbfs_lock(void)
+{
+	return car_get_var_ptr(&microcode_cbfs_spinlock);
+}
+
+void initialize_romstage_microcode_cbfs_lock(void)
+{
+	car_get_var(microcode_cbfs_spinlock) = SPIN_LOCK_UNLOCKED;
+}
+
 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 {
 	uint32_t esp;
@@ -362,9 +374,10 @@ 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 and nvram CBFS spinlocks */
+		/* Initialize the printk, nvram CBFS, and microcode CBFS spinlocks */
 		initialize_romstage_console_lock();
 		initialize_romstage_nvram_cbfs_lock();
+		initialize_romstage_microcode_cbfs_lock();
 
 		/* Nothing special needs to be done to find bus 0 */
 		/* Allow the HT devices to be found */