From: Stephen Warren swarren@nvidia.com
This retrieves a PXE config file over the network, and executes it. This allows an extlinux config file to be retrieved over the network and executed, whereas the existing bootcmd_dhcp retrieves a U-Boot script.
Signed-off-by: Stephen Warren swarren@nvidia.com --- v3: No change. v2: No change. --- include/configs/tegra-common-post.h | 18 +++++++++++++++++- include/configs/tegra114-common.h | 4 ++++ include/configs/tegra20-common.h | 4 ++++ include/configs/tegra30-common.h | 4 ++++ 4 files changed, 29 insertions(+), 1 deletion(-)
diff --git a/include/configs/tegra-common-post.h b/include/configs/tegra-common-post.h index 5acbdc3a1890..c998675efdeb 100644 --- a/include/configs/tegra-common-post.h +++ b/include/configs/tegra-common-post.h @@ -66,6 +66,20 @@ #define BOOT_TARGETS_DHCP "" #endif
+#if defined(CONFIG_CMD_DHCP) && defined(CONFIG_CMD_PXE) +#define BOOTCMDS_PXE \ + "bootcmd_pxe=" \ + BOOTCMD_INIT_USB \ + "dhcp; " \ + "if pxe get; then " \ + "pxe boot; " \ + "fi\0" +#define BOOT_TARGETS_PXE "pxe" +#else +#define BOOTCMDS_PXE "" +#define BOOT_TARGETS_PXE "" +#endif + #define BOOTCMDS_COMMON \ "rootpart=1\0" \ \ @@ -108,6 +122,7 @@ "boot_targets=" \ BOOT_TARGETS_MMC " " \ BOOT_TARGETS_USB " " \ + BOOT_TARGETS_PXE " " \ BOOT_TARGETS_DHCP " " \ "\0" \ \ @@ -117,7 +132,8 @@ \ BOOTCMDS_MMC \ BOOTCMDS_USB \ - BOOTCMDS_DHCP + BOOTCMDS_DHCP \ + BOOTCMDS_PXE
#define CONFIG_BOOTCOMMAND \ "set usb_need_init; " \ diff --git a/include/configs/tegra114-common.h b/include/configs/tegra114-common.h index 1bf5af5b3830..bff5447fe421 100644 --- a/include/configs/tegra114-common.h +++ b/include/configs/tegra114-common.h @@ -46,6 +46,9 @@ * scriptaddr can be pretty much anywhere that doesn't conflict with something * else. Put it above BOOTMAPSZ to eliminate conflicts. * + * pxefile_addr_r can be pretty much anywhere that doesn't conflict with + * something else. Put it above BOOTMAPSZ to eliminate conflicts. + * * kernel_addr_r must be within the first 128M of RAM in order for the * kernel's CONFIG_AUTO_ZRELADDR option to work. Since the kernel will * decompress itself to 0x8000 after the start of RAM, kernel_addr_r @@ -63,6 +66,7 @@ */ #define MEM_LAYOUT_ENV_SETTINGS \ "scriptaddr=0x90000000\0" \ + "pxefile_addr_r=0x90100000\0" \ "kernel_addr_r=0x81000000\0" \ "fdt_addr_r=0x82000000\0" \ "ramdisk_addr_r=0x82100000\0" diff --git a/include/configs/tegra20-common.h b/include/configs/tegra20-common.h index d2c45321b46a..933130a405da 100644 --- a/include/configs/tegra20-common.h +++ b/include/configs/tegra20-common.h @@ -44,6 +44,9 @@ * scriptaddr can be pretty much anywhere that doesn't conflict with something * else. Put it above BOOTMAPSZ to eliminate conflicts. * + * pxefile_addr_r can be pretty much anywhere that doesn't conflict with + * something else. Put it above BOOTMAPSZ to eliminate conflicts. + * * kernel_addr_r must be within the first 128M of RAM in order for the * kernel's CONFIG_AUTO_ZRELADDR option to work. Since the kernel will * decompress itself to 0x8000 after the start of RAM, kernel_addr_r @@ -61,6 +64,7 @@ */ #define MEM_LAYOUT_ENV_SETTINGS \ "scriptaddr=0x10000000\0" \ + "pxefile_addr_r=0x10100000\0" \ "kernel_addr_r=0x01000000\0" \ "fdt_addr_r=0x02000000\0" \ "ramdisk_addr_r=0x02100000\0" diff --git a/include/configs/tegra30-common.h b/include/configs/tegra30-common.h index edb930e032bc..4b6f8d128e63 100644 --- a/include/configs/tegra30-common.h +++ b/include/configs/tegra30-common.h @@ -43,6 +43,9 @@ * scriptaddr can be pretty much anywhere that doesn't conflict with something * else. Put it above BOOTMAPSZ to eliminate conflicts. * + * pxefile_addr_r can be pretty much anywhere that doesn't conflict with + * something else. Put it above BOOTMAPSZ to eliminate conflicts. + * * kernel_addr_r must be within the first 128M of RAM in order for the * kernel's CONFIG_AUTO_ZRELADDR option to work. Since the kernel will * decompress itself to 0x8000 after the start of RAM, kernel_addr_r @@ -60,6 +63,7 @@ */ #define MEM_LAYOUT_ENV_SETTINGS \ "scriptaddr=0x90000000\0" \ + "pxefile_addr_r=0x90100000\0" \ "kernel_addr_r=0x81000000\0" \ "fdt_addr_r=0x82000000\0" \ "ramdisk_addr_r=0x82100000\0"