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 --- 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 fa69709e5a3d..b3e1cfd5de8c 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 \ "for target in ${boot_targets}; do run bootcmd_${target}; done" diff --git a/include/configs/tegra114-common.h b/include/configs/tegra114-common.h index a4e8a5f5eb53..e7d4373c1eca 100644 --- a/include/configs/tegra114-common.h +++ b/include/configs/tegra114-common.h @@ -51,6 +51,9 @@ * 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 @@ -68,6 +71,7 @@ */ #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 b009a316b14c..ca3972235bba 100644 --- a/include/configs/tegra20-common.h +++ b/include/configs/tegra20-common.h @@ -49,6 +49,9 @@ * 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 @@ -66,6 +69,7 @@ */ #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 b5550d7d099c..95d154744041 100644 --- a/include/configs/tegra30-common.h +++ b/include/configs/tegra30-common.h @@ -48,6 +48,9 @@ * 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 @@ -65,6 +68,7 @@ */ #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"