Add board directory for Google Chameleon V3 board
Signed-off-by: Paweł Anikiel pan@semihalf.com --- 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);