[coreboot-gerrit] New patch to review for coreboot: mainboard/asus/kgpe-d16: Enable romstage microcode spinlocks

[Timothy Pearson]

Timothy Pearson ([e-mail]) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/12809

-gerrit

commit ac424f797c3c09df2499b7e844fab7ec767f7c03
Author: Timothy Pearson 
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 
---
 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 */