Add board directory for Google Chameleon V3 board
Signed-off-by: Paweł Anikiel <p...@semihalf.com>
Reviewed-by: Simon Glass <s...@chromium.org>
---
board/google/chameleonv3/Makefile | 5 +++
board/google/chameleonv3/board.c | 27 ++++++++++++++
board/google/chameleonv3/fpga.its | 28 ++++++++++++++
board/google/chameleonv3/fpga_early_io.its | 35 ++++++++++++++++++
board/google/chameleonv3/mercury_aa1.c | 43 ++++++++++++++++++++++
board/google/chameleonv3/mercury_aa1.h | 12 ++++++
6 files changed, 150 insertions(+)
create mode 100644 board/google/chameleonv3/Makefile
create mode 100644 board/google/chameleonv3/board.c
create mode 100644 board/google/chameleonv3/fpga.its
create mode 100644 board/google/chameleonv3/fpga_early_io.its
create mode 100644 board/google/chameleonv3/mercury_aa1.c
create mode 100644 board/google/chameleonv3/mercury_aa1.h
diff --git a/board/google/chameleonv3/Makefile
b/board/google/chameleonv3/Makefile
new file mode 100644
index 0000000000..bb413fde83
--- /dev/null
+++ b/board/google/chameleonv3/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Copyright 2022 Google LLC
+
+obj-y := board.o mercury_aa1.o
diff --git a/board/google/chameleonv3/board.c b/board/google/chameleonv3/board.c
new file mode 100644
index 0000000000..4d3049689d
--- /dev/null
+++ b/board/google/chameleonv3/board.c
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2022 Google LLC
+ */
+#include <net.h>
+#include <errno.h>
+#include "mercury_aa1.h"
+
+int misc_init_r(void)
+{
+ u8 mac[ARP_HLEN];
+ int res;
+
+ if (env_get("ethaddr"))
+ return 0;
+
+ res = mercury_aa1_read_mac(mac);
+ if (res) {
+ printf("couldn't read mac address: %s\n", errno_str(res));
+ return 0;
+ }
+
+ if (is_valid_ethaddr(mac))
+ eth_env_set_enetaddr("ethaddr", mac);
+
+ return 0;
+}
diff --git a/board/google/chameleonv3/fpga.its
b/board/google/chameleonv3/fpga.its
new file mode 100644
index 0000000000..85a830002f
--- /dev/null
+++ b/board/google/chameleonv3/fpga.its
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2022 Google LLC
+ */
+/dts-v1/;
+
+/ {
+ description = "FIT image with FPGA bistream";
+ #address-cells = <1>;
+
+ images {
+ fpga-periph-1 {
+ description = "FPGA full bitstream";
+ data = /incbin/("../../../fpga.rbf");
+ type = "fpga";
+ arch = "arm";
+ compression = "none";
+ };
+ };
+
+ configurations {
+ default = "config-1";
+ config-1 {
+ description = "Boot with FPGA config";
+ fpga = "fpga-periph-1";
+ };
+ };
+};
diff --git a/board/google/chameleonv3/fpga_early_io.its
b/board/google/chameleonv3/fpga_early_io.its
new file mode 100644
index 0000000000..ebc7bcbaae
--- /dev/null
+++ b/board/google/chameleonv3/fpga_early_io.its
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2022 Google LLC
+ */
+/dts-v1/;
+
+/ {
+ description = "FIT image with FPGA bistream";
+ #address-cells = <1>;
+
+ images {
+ fpga-periph-1 {
+ description = "FPGA peripheral bitstream";
+ data = /incbin/("../../../periph.rbf");
+ type = "fpga";
+ arch = "arm";
+ compression = "none";
+ };
+ fpga-core-1 {
+ description = "FPGA core bitstream";
+ data = /incbin/("../../../core.rbf");
+ type = "fpga";
+ arch = "arm";
+ compression = "none";
+ };
+ };
+
+ configurations {
+ default = "config-1";
+ config-1 {
+ description = "Boot with FPGA config";
+ fpga = "fpga-periph-1", "fpga-core-1";
+ };
+ };
+};
diff --git a/board/google/chameleonv3/mercury_aa1.c
b/board/google/chameleonv3/mercury_aa1.c
new file mode 100644
index 0000000000..ed447ec37c
--- /dev/null
+++ b/board/google/chameleonv3/mercury_aa1.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2022 Google LLC
+ */
+#include <net.h>
+#include <dm/device.h>
+#include <dm/uclass.h>
+#include <atsha204a-i2c.h>
+#include "mercury_aa1.h"
+
+#define MERCURY_AA1_ATSHA204A_OTP_MAC0 4
+#define MERCURY_AA1_ATSHA204A_OTP_MAC1 5
+
+int mercury_aa1_read_mac(u8 *mac)
+{
+ struct udevice *dev;
+ u8 buf[8];
+ int ret;
+
+ ret = uclass_get_device_by_name(UCLASS_MISC, "atsha204a@64", &dev);
+ if (ret)
+ return ret;
+
+ ret = atsha204a_wakeup(dev);
+ if (ret)
+ return ret;
+
+ ret = atsha204a_read(dev, ATSHA204A_ZONE_OTP, false,
+ MERCURY_AA1_ATSHA204A_OTP_MAC0, buf);
+ if (ret)
+ goto sleep;
+
+ ret = atsha204a_read(dev, ATSHA204A_ZONE_OTP, false,
+ MERCURY_AA1_ATSHA204A_OTP_MAC1, buf + 4);
+ if (ret)
+ goto sleep;
+
+ memcpy(mac, buf, ARP_HLEN);
+
+sleep:
+ atsha204a_sleep(dev);
+ return ret;
+}
diff --git a/board/google/chameleonv3/mercury_aa1.h
b/board/google/chameleonv3/mercury_aa1.h
new file mode 100644
index 0000000000..636b735a3b
--- /dev/null
+++ b/board/google/chameleonv3/mercury_aa1.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2022 Google LLC
+ */
+
+/**
+ * mercury_aa1_read_mac() - Read mac address from on-board OTP memory
+ *
+ * @mac: Returned mac address
+ * Return: 0 if successful, -ve on error
+ */
+int mercury_aa1_read_mac(u8 *mac);
--
2.36.1.476.g0c4daa206d-goog
