4 files changed, 201 insertions, 0 deletions
diff --git a/cmd/broadcom/Makefile b/cmd/broadcom/Makefile
new file mode 100644
index 0000000000..62268d98d0
--- /dev/null
+++ b/cmd/broadcom/Makefile
@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0+
+# Copyright 2020 Broadcom
+
+obj-y += chimp_boot.o
+obj-y += nitro_image_load.o
+obj-y += chimp_handshake.o
diff --git a/cmd/broadcom/chimp_boot.c b/cmd/broadcom/chimp_boot.c
new file mode 100644
index 0000000000..16f2b612c4
--- /dev/null
+++ b/cmd/broadcom/chimp_boot.c
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2020 Broadcom
+ */
+
+#include <common.h>
+#include <command.h>
+#include <broadcom/chimp.h>
+
+static int do_chimp_fastboot_secure(struct cmd_tbl *cmdtp, int flag, int argc,
+				    char *const argv[])
+{
+	u32 health = 0;
+
+	if (chimp_health_status_optee(&health)) {
+		pr_err("Chimp health command fail\n");
+		return CMD_RET_FAILURE;
+	}
+
+	if (health == BCM_CHIMP_RUNNIG_GOOD) {
+		printf("skip fastboot...\n");
+		return CMD_RET_SUCCESS;
+	}
+
+	if (chimp_fastboot_optee()) {
+		pr_err("Failed to load secure ChiMP image\n");
+		return CMD_RET_FAILURE;
+	}
+
+	return CMD_RET_SUCCESS;
+}
+
+U_BOOT_CMD
+	(chimp_ld_secure, 1, 0, do_chimp_fastboot_secure,
+	 "Invoke chimp fw load via optee",
+	 "chimp_ld_secure\n"
+);
diff --git a/cmd/broadcom/chimp_handshake.c b/cmd/broadcom/chimp_handshake.c
new file mode 100644
index 0000000000..a90a73a6d7
--- /dev/null
+++ b/cmd/broadcom/chimp_handshake.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2020 Broadcom
+ */
+
+#include <common.h>
+#include <command.h>
+#include <broadcom/chimp.h>
+
+/* This command should be called after loading the nitro binaries */
+static int do_chimp_hs(struct cmd_tbl *cmdtp, int flag, int argc,
+		       char *const argv[])
+{
+	int ret = CMD_RET_USAGE;
+	u32 hstatus;
+
+	/* Returns 1, if handshake call is success */
+	if (chimp_handshake_status_optee(0, &hstatus))
+		ret = CMD_RET_SUCCESS;
+
+	if (hstatus == CHIMP_HANDSHAKE_SUCCESS)
+		printf("ChiMP Handshake successful\n");
+	else
+		printf("ERROR: ChiMP Handshake status 0x%x\n", hstatus);
+
+	return ret;
+}
+
+U_BOOT_CMD
+	(chimp_hs, 1, 1, do_chimp_hs,
+	 "Verify the Chimp handshake",
+	 "chimp_hs\n"
+);
diff --git a/cmd/broadcom/nitro_image_load.c b/cmd/broadcom/nitro_image_load.c
new file mode 100644
index 0000000000..4a36b300c4
--- /dev/null
+++ b/cmd/broadcom/nitro_image_load.c
@@ -0,0 +1,125 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2020 Broadcom
+ */
+
+#include <common.h>
+#include <command.h>
+
+#define FW_IMAGE_SIG	0xff123456
+#define CFG_IMAGE_SIG	0xcf54321a
+
+/*
+ * structure for bin file
+ *  signature: fw itb file
+ *  size: fw itb file
+ *  signature: NS3 config file
+ *  size: NS3 config file
+ *  Data: fw itb file
+ *  ............................
+ *  ............................
+ *  Data: NS3 config file
+ *  ............................
+ *  ............................
+ */
+
+static struct img_header {
+	u32 bin_sig;
+	u32 bin_size;
+	u32 cfg1_sig;
+	u32 cfg1_size;
+} *img_header;
+
+static int env_set_val(const char *varname, ulong val)
+{
+	int ret;
+
+	ret = env_set_hex(varname, val);
+	if (ret)
+		pr_err("Failed to %s env var\n", varname);
+
+	return ret;
+}
+
+static int do_spi_images_addr(struct cmd_tbl *cmdtp, int flag, int argc,
+			      char *const argv[])
+{
+	uintptr_t images_load_addr;
+	uintptr_t spi_load_addr;
+	u32 len;
+	u32 spi_data_offset = sizeof(struct img_header);
+
+	if (argc != 3)
+		return CMD_RET_USAGE;
+
+	/* convert command parameter to fastboot address (base 16), i.e. hex */
+	images_load_addr = simple_strtoul(argv[1], NULL, 16);
+	if (!images_load_addr) {
+		pr_err("Invalid load address\n");
+		return CMD_RET_USAGE;
+	}
+
+	spi_load_addr = simple_strtoul(argv[2], NULL, 16);
+	if (!spi_load_addr) {
+		pr_err("Invalid spi load address\n");
+		return CMD_RET_USAGE;
+	}
+
+	img_header = (struct img_header *)images_load_addr;
+
+	if (img_header->bin_sig != FW_IMAGE_SIG) {
+		pr_err("Invalid Nitro bin file\n");
+		goto error;
+	}
+
+	if (env_set_val("spi_nitro_fw_itb_start_addr", 0))
+		goto error;
+
+	if (env_set_val("spi_nitro_fw_itb_len", 0))
+		goto error;
+
+	if (env_set_val("spi_nitro_fw_ns3_cfg_start_addr", 0))
+		goto error;
+
+	if (env_set_val("spi_nitro_fw_ns3_cfg_len", 0))
+		goto error;
+
+	len = img_header->bin_size;
+
+	if (env_set_val("spi_nitro_fw_itb_start_addr",
+			(spi_load_addr + spi_data_offset)))
+		goto error;
+
+	if (env_set_val("spi_nitro_fw_itb_len", img_header->bin_size))
+		goto error;
+
+	spi_data_offset += len;
+
+	if (img_header->cfg1_sig == CFG_IMAGE_SIG) {
+		len = img_header->cfg1_size;
+
+		if (env_set_val("spi_nitro_fw_ns3_cfg_start_addr",
+				(spi_load_addr + spi_data_offset)))
+			goto error;
+
+		if (env_set_val("spi_nitro_fw_ns3_cfg_len", len))
+			goto error;
+
+		spi_data_offset += len;
+	}
+
+	/* disable secure boot */
+	if (env_set_val("nitro_fastboot_secure", 0))
+		goto error;
+
+	return CMD_RET_SUCCESS;
+
+error:
+	return CMD_RET_FAILURE;
+}
+
+U_BOOT_CMD
+	(spi_nitro_images_addr, 3, 1, do_spi_images_addr,
+	 "Load the bnxt bin header and sets envs ",
+	 "spi_nitro_images_addr <load_addr> <spi_base_addr>\n"
+);