soc/qualcomm/qcs405: Support for new SoC

Adding the basic infrastruture soc support for qcs405 and
a new build variant.

TEST=build

Change-Id: Ia379cf375e4459ed55cc36cb8a0a92cab18b705e
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Signed-off-by: Nitheesh Sekar <nsekar@codeaurora.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/29948
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

1 files changed, 50 insertions, 0 deletions

diff --git a/src/soc/qualcomm/qcs405/spi.c b/src/soc/qualcomm/qcs405/spi.c
new file mode 100644
index 0000000000..c04b15d3c8
--- /dev/null
+++ b/src/soc/qualcomm/qcs405/spi.c
@@ -0,0 +1,50 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2018, The Linux Foundation.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#include <spi-generic.h>
+#include <spi_flash.h>
+
+static int spi_ctrlr_claim_bus(const struct spi_slave *slave)
+{
+	return 0;
+}
+
+static void spi_ctrlr_release_bus(const struct spi_slave *slave)
+{
+
+}
+
+static int spi_ctrlr_xfer(const struct spi_slave *slave, const void *dout,
+			  size_t bytes_out, void *din, size_t bytes_in)
+{
+	return 0;
+}
+
+static const struct spi_ctrlr spi_ctrlr = {
+	.claim_bus = spi_ctrlr_claim_bus,
+	.release_bus = spi_ctrlr_release_bus,
+	.xfer = spi_ctrlr_xfer,
+	.max_xfer_size = 65535,
+};
+
+const struct spi_ctrlr_buses spi_ctrlr_bus_map[] = {
+	{
+		.ctrlr = &spi_ctrlr,
+		.bus_start = 0,
+		.bus_end = 0,
+	},
+};
+
+const size_t spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map);