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Diffstat (limited to 'board/intel/slimbootloader/slimbootloader.c')
-rw-r--r--board/intel/slimbootloader/slimbootloader.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/board/intel/slimbootloader/slimbootloader.c b/board/intel/slimbootloader/slimbootloader.c
new file mode 100644
index 0000000000..f50eeb823f
--- /dev/null
+++ b/board/intel/slimbootloader/slimbootloader.c
@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 Intel Corporation <www.intel.com>
+ */
+
+#include <common.h>
+
+int board_early_init_r(void)
+{
+ /*
+ * Make sure PCI bus is enumerated so that peripherals on the PCI bus
+ * can be discovered by their drivers.
+ *
+ * Slim Bootloader has already done PCI bus enumeration before loading
+ * U-Boot, so U-Boot needs to preserve PCI configuration.
+ * Therefore, '# CONFIG_PCI_PNP is not set' is included in defconfig.
+ */
+ pci_init();
+
+ return 0;
+}