summaryrefslogtreecommitdiffstats
path: root/arch/arm/cpu/armv7/socfpga/system_manager.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/cpu/armv7/socfpga/system_manager.c')
-rw-r--r--arch/arm/cpu/armv7/socfpga/system_manager.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/socfpga/system_manager.c b/arch/arm/cpu/armv7/socfpga/system_manager.c
index 11f7badbf2..8126e0d43c 100644
--- a/arch/arm/cpu/armv7/socfpga/system_manager.c
+++ b/arch/arm/cpu/armv7/socfpga/system_manager.c
@@ -66,3 +66,12 @@ void sysmgr_pinmux_init(void)
populate_sysmgr_fpgaintf_module();
}
+
+/*
+ * This bit allows the bootrom to configure the IOs after a warm reset.
+ */
+void sysmgr_enable_warmrstcfgio(void)
+{
+ setbits_le32(&sysmgr_regs->romcodegrp_ctrl,
+ SYSMGR_ROMCODEGRP_CTRL_WARMRSTCFGIO);
+}
OpenPOWER on IntegriCloud