sb/intel/common: Add a common interface to set final OPs settings

This adds a common place to set the final opprefix, optype and opmenu,
with a hook to override the opmenu.

Change-Id: I162ae6bad7da3ea02b96854ee28e70594e210947
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33036
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

1 files changed, 38 insertions, 0 deletions

diff --git a/src/southbridge/intel/common/spi.h b/src/southbridge/intel/common/spi.h
new file mode 100644
index 0000000000..3b8410cd9f
--- /dev/null
+++ b/src/southbridge/intel/common/spi.h
@@ -0,0 +1,38 @@
+/*
+ * This file is part of the coreboot project.
+
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of
+ * the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef SOUTHBRIDGE_INTEL_SPI_H
+#define SOUTHBRIDGE_INTEL_SPI_H
+
+enum optype {
+	READ_NO_ADDR = 0,
+	WRITE_NO_ADDR = 1,
+	READ_WITH_ADDR = 2,
+	WRITE_WITH_ADDR = 3
+};
+
+struct intel_spi_op {
+	u8 op;
+	enum optype type;
+};
+
+struct intel_swseq_spi_config {
+	u8 opprefixes[2];
+	struct intel_spi_op ops[8];
+};
+
+void spi_finalize_ops(void);
+void intel_southbridge_override_spi(struct intel_swseq_spi_config *spi_config);
+
+#endif