diff options
Diffstat (limited to 'board/nvidia/seaboard/flashmap-twostop-2mb.dtsi')
| -rw-r--r-- | board/nvidia/seaboard/flashmap-twostop-2mb.dtsi | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/board/nvidia/seaboard/flashmap-twostop-2mb.dtsi b/board/nvidia/seaboard/flashmap-twostop-2mb.dtsi new file mode 100644 index 0000000000..2aa1045569 --- /dev/null +++ b/board/nvidia/seaboard/flashmap-twostop-2mb.dtsi @@ -0,0 +1,124 @@ +/* +* Copyright (c) 2011 The Chromium OS Authors. All rights reserved. +* Use of this source code is governed by a BSD-style license that can be +* found in the LICENSE file. +*/ + +/* +* This is the flash map (fmap) for a twostop firmware. It defines all the areas +* that Chrome OS expects to find in its firmware device. The device is split +* into a number of top-level sections, and within each are several areas. +* +* Available flags for each entry are: read-only, compresed. +* All sections will be marked static in the fmap. +*/ + +/include/ "flashmap-ro.dtsi" + +/ { + flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "winbond,W25Q16BVSSIG", "cfi-flash", + "chromeos,flashmap"; + reg = <0x00000000 0x00200000>; + + /* ---- Section: Rewritable slot A ---- */ + rw-a@100000 { + label = "rw-section-a"; + reg = <0x00100000 0x00078000>; + block-lba = <0x00000022>; + }; + rw-a-boot@100000 { + label = "fw-main-a"; + reg = <0x00100000 0x00076000>; + type = "blob boot"; + }; + rw-a-vblock@176000 { + label = "vblock-a"; + reg = <0x00176000 0x00001f00>; + type = "keyblock boot"; + keyblock = "dev_firmware.keyblock"; + signprivate = "dev_firmware_data_key.vbprivk"; + version = <1>; + kernelkey = "kernel_subkey.vbpubk"; + preamble-flags = <1>; + }; + rw-a-firmware-id@177f00 { + label = "rw-fwid-a"; + reg = <0x00177f00 0x00000100>; + read-only; + type = "blobstring fwid"; + }; + + /* ---- Section: Rewritable slot B ---- */ + rw-b@178000 { + label = "rw-section-b"; + reg = <0x00178000 0x00078000>; + block-lba = <0x00000422>; + }; + rw-b-boot@178000 { + label = "fw-main-b"; + reg = <0x00178000 0x00076000>; + type = "blob boot"; + }; + rw-b-vblock@1ee000 { + label = "vblock-b"; + reg = <0x001ee000 0x00001f00>; + type = "keyblock boot"; + keyblock = "firmware.keyblock"; + signprivate = "firmware_data_key.vbprivk"; + version = <1>; + kernelkey = "kernel_subkey.vbpubk"; + preamble-flags = <1>; + }; + rw-b-firmware-id@1eff00 { + label = "rw-fwid-a"; + reg = <0x001eff00 0x00000100>; + read-only; + type = "blobstring fwid"; + }; + + /* ---- Section: Rewritable VPD 32 KB ---- */ + rw-vpd-section@1f0000 { + label = "rw-vpd-section"; + reg = <0x001f0000 0x00008000>; + }; + rw-vpd@1f0000 { + label = "rw-vpd"; + reg = <0x001f0000 0x00008000>; + type = "wiped"; + wipe-value = [ff]; + }; + + /* ---- Section: Rewritable shared 32 KB---- */ + shared-section@1f8000 { + label = "rw-shared"; + reg = <0x001f8000 0x00006000>; + }; + shared-dev-cfg@1f8000 { + label = "dev-cfg"; + reg = <0x001f8000 0x00000000>; + type = "wiped"; + wipe-value = [00]; + }; + shared-data@1f8000 { + label = "shared-data"; + reg = <0x001f8000 0x00006000>; + type = "wiped"; + wipe-value = [00]; + }; + shared-env@1fe000 { + label = "shared-env"; + reg = <0x001fe000 0x00002000>; + + /* + * We could put the dev environment here, but U-Boot + * has a default built in. Devs can 'saveenv' to set + * this up. + */ + type = "wiped"; + wipe-value = [00]; + }; + }; +}; |