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-rw-r--r--include/config_distro_bootcmd.h47
-rw-r--r--net/bootp.c13
2 files changed, 57 insertions, 3 deletions
diff --git a/include/config_distro_bootcmd.h b/include/config_distro_bootcmd.h
index 5a8d7f2..4db6faa 100644
--- a/include/config_distro_bootcmd.h
+++ b/include/config_distro_bootcmd.h
@@ -230,13 +230,58 @@
#endif
#if defined(CONFIG_CMD_DHCP)
+#if defined(CONFIG_EFI_LOADER)
+#if defined(CONFIG_ARM64)
+#define BOOTENV_EFI_PXE_ARCH "0xb"
+#define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00011:UNDI:003000"
+#elif defined(CONFIG_ARM)
+#define BOOTENV_EFI_PXE_ARCH "0xa"
+#define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00010:UNDI:003000"
+#elif defined(CONFIG_X86)
+/* Always assume we're running 64bit */
+#define BOOTENV_EFI_PXE_ARCH "0x7"
+#define BOOTENV_EFI_PXE_VCI "PXEClient:Arch:00007:UNDI:003000"
+#else
+#error Please specify an EFI client identifier
+#endif
+
+/*
+ * Ask the dhcp server for an EFI binary. If we get one, check for a
+ * device tree in the same folder. Then boot everything. If the file was
+ * not an EFI binary, we just return from the bootefi command and continue.
+ */
+#define BOOTENV_EFI_RUN_DHCP \
+ "setenv efi_fdtfile ${fdtfile}; " \
+ BOOTENV_EFI_SET_FDTFILE_FALLBACK \
+ "setenv efi_old_vci ${bootp_vci};" \
+ "setenv efi_old_arch ${bootp_arch};" \
+ "setenv bootp_vci " BOOTENV_EFI_PXE_VCI ";" \
+ "setenv bootp_arch " BOOTENV_EFI_PXE_ARCH ";" \
+ "if dhcp ${kernel_addr_r}; then " \
+ "tftpboot ${fdt_addr_r} dtb/${efi_fdtfile};" \
+ "if fdt addr ${fdt_addr_r}; then " \
+ "bootefi ${kernel_addr_r} ${fdt_addr_r}; " \
+ "else " \
+ "bootefi ${kernel_addr_r} ${fdtcontroladdr};" \
+ "fi;" \
+ "fi;" \
+ "setenv bootp_vci ${efi_old_vci};" \
+ "setenv bootp_arch ${efi_old_arch};" \
+ "setenv efi_fdtfile;" \
+ "setenv efi_old_arch;" \
+ "setenv efi_old_vci;"
+#else
+#define BOOTENV_EFI_RUN_DHCP
+#endif
#define BOOTENV_DEV_DHCP(devtypeu, devtypel, instance) \
"bootcmd_dhcp=" \
BOOTENV_RUN_NET_USB_START \
BOOTENV_RUN_NET_PCI_ENUM \
"if dhcp ${scriptaddr} ${boot_script_dhcp}; then " \
"source ${scriptaddr}; " \
- "fi\0"
+ "fi;" \
+ BOOTENV_EFI_RUN_DHCP \
+ "\0"
#define BOOTENV_DEV_NAME_DHCP(devtypeu, devtypel, instance) \
"dhcp "
#else
diff --git a/net/bootp.c b/net/bootp.c
index d718e35..85dc524 100644
--- a/net/bootp.c
+++ b/net/bootp.c
@@ -413,12 +413,21 @@ static void bootp_timeout_handler(void)
static u8 *add_vci(u8 *e)
{
+ char *vci = NULL;
+ char *env_vci = getenv("bootp_vci");
+
#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_NET_VCI_STRING)
- put_vci(e, CONFIG_SPL_NET_VCI_STRING);
+ vci = CONFIG_SPL_NET_VCI_STRING;
#elif defined(CONFIG_BOOTP_VCI_STRING)
- put_vci(e, CONFIG_BOOTP_VCI_STRING);
+ vci = CONFIG_BOOTP_VCI_STRING;
#endif
+ if (env_vci)
+ vci = env_vci;
+
+ if (vci)
+ put_vci(e, vci);
+
return e;
}