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-rw-r--r--arch/arm/mach-socfpga/misc_s10.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-socfpga/misc_s10.c b/arch/arm/mach-socfpga/misc_s10.c
index 60c96090ce..29abc4a54c 100644
--- a/arch/arm/mach-socfpga/misc_s10.c
+++ b/arch/arm/mach-socfpga/misc_s10.c
@@ -16,6 +16,7 @@
#include <asm/arch/misc.h>
#include <asm/pl310.h>
#include <linux/libfdt.h>
+#include <asm/arch/mailbox_s10.h>
#include <dt-bindings/reset/altr,rst-mgr-s10.h>
@@ -152,5 +153,16 @@ int arch_early_init_r(void)
void do_bridge_reset(int enable, unsigned int mask)
{
+ /* Check FPGA status before bridge enable */
+ if (enable) {
+ int ret = mbox_get_fpga_config_status(MBOX_RECONFIG_STATUS);
+
+ if (ret && ret != MBOX_CFGSTAT_STATE_CONFIG)
+ ret = mbox_get_fpga_config_status(MBOX_CONFIG_STATUS);
+
+ if (ret)
+ return;
+ }
+
socfpga_bridges_reset(enable);
}