[PATCH v1 47/49] cmd: bcm: add nitro image load commands
Rayagonda Kokatanur
rayagonda.kokatanur at broadcom.com
Mon Apr 27 12:52:05 CEST 2020
From: Vikas Gupta <vikas.gupta at broadcom.com>
Add nitro image load commands.
Signed-off-by: Vikas Gupta <vikas.gupta at broadcom.com>
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur at broadcom.com>
---
cmd/bcm/Makefile | 1 +
cmd/bcm/nitro_image_load.c | 99 ++++++++++++++++++++++++++++++++++++++
2 files changed, 100 insertions(+)
create mode 100644 cmd/bcm/nitro_image_load.c
diff --git a/cmd/bcm/Makefile b/cmd/bcm/Makefile
index dc274f6b96..671c0fbd43 100644
--- a/cmd/bcm/Makefile
+++ b/cmd/bcm/Makefile
@@ -3,3 +3,4 @@
obj-$(CONFIG_CMD_BCM_LOGSETUP) += logsetup.o
obj-y += chimp_boot.o
+obj-y += nitro_image_load.o
diff --git a/cmd/bcm/nitro_image_load.c b/cmd/bcm/nitro_image_load.c
new file mode 100644
index 0000000000..e460b91338
--- /dev/null
+++ b/cmd/bcm/nitro_image_load.c
@@ -0,0 +1,99 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2020 Broadcom
+ */
+
+#include <command.h>
+#include <common.h>
+
+#define NITRO_FW_IMAGE_SIG 0xFF123456
+#define NITRO_NS3_CFG_IMAGE_SIG 0xCF54321A
+
+/*structure for Nitro bin file
+ * signature: Nitro fw itb file
+ * size: Nitro fw itb file
+ * signature: Nitro NS3 config file
+ * size: Nitro NS3 config file
+ * Data: Nitro fw itb file
+ * ............................
+ * ............................
+ * Data: Nitro NS3 config file
+ * ............................
+ * ............................
+ */
+
+static struct nitro_img_header {
+ u32 nitro_fw_bin_sig;
+ u32 nitro_fw_bin_size;
+ u32 nitro_fw_cfg1_sig;
+ u32 nitro_fw_cfg1_size;
+ u32 nitro_fw_cfg2_sig;
+ u32 nitro_fw_cfg2_size;
+} *img_header;
+
+static int do_spi_nitro_images_addr(cmd_tbl_t *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 nitro_img_header);
+
+ if (argc != 3)
+ return CMD_RET_USAGE;
+
+ /* convert command parameter to fastboot address (base 16), i.e. hex */
+ images_load_addr = (uintptr_t)simple_strtoul(argv[1], NULL, 16);
+ if (!images_load_addr) {
+ pr_err("Invalid load address\n");
+ return CMD_RET_USAGE;
+ }
+
+ spi_load_addr = (uintptr_t)simple_strtoul(argv[2], NULL, 16);
+ if (!spi_load_addr) {
+ pr_err("Invalid spi load address\n");
+ return CMD_RET_USAGE;
+ }
+
+ img_header = (struct nitro_img_header *)images_load_addr;
+
+ if (img_header->nitro_fw_bin_sig != NITRO_FW_IMAGE_SIG) {
+ pr_err("Invalid Nitro bin file\n");
+ return CMD_RET_FAILURE;
+ }
+
+ env_set_hex("spi_nitro_fw_itb_start_addr", (ulong)0);
+ env_set_hex("spi_nitro_fw_itb_len", (ulong)0);
+ env_set_hex("spi_nitro_fw_ns3_cfg_start_addr", (ulong)0);
+ env_set_hex("spi_nitro_fw_ns3_cfg_len", (ulong)0);
+
+ len = img_header->nitro_fw_bin_size;
+
+ env_set_hex("spi_nitro_fw_itb_start_addr", (ulong)
+ (spi_load_addr + spi_data_offset));
+ env_set_hex("spi_nitro_fw_itb_len", (ulong)
+ img_header->nitro_fw_bin_size);
+
+ spi_data_offset += len;
+
+ if (img_header->nitro_fw_cfg1_sig == NITRO_NS3_CFG_IMAGE_SIG) {
+ len = img_header->nitro_fw_cfg1_size;
+
+ env_set_hex("spi_nitro_fw_ns3_cfg_start_addr", (ulong)
+ (spi_load_addr + spi_data_offset));
+ env_set_hex("spi_nitro_fw_ns3_cfg_len", (ulong)len);
+
+ spi_data_offset += len;
+ }
+
+ /* disable nitro secure boot */
+ env_set_hex("nitro_fastboot_secure", (ulong)0);
+
+ return CMD_RET_SUCCESS;
+}
+
+U_BOOT_CMD
+ (spi_nitro_images_addr, 3, 1, do_spi_nitro_images_addr,
+ "Load the nitro bin header and sets envs ",
+ "spi_nitro_images_addr <load_addr> <spi_base_addr>\n"
+);
--
2.17.1
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