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| author | David Vincent <freesilicon@gmail.com> | 2014-02-04 08:53:15 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-02-09 09:43:33 +0100 |
| commit | 34ab8ddd04ae08e8bca6d277b4f692f4f303c20d (patch) | |
| tree | c1fc055f0d106c049fd05a9ba4ebc25702d962ea /common/Kconfig | |
| parent | 4f2f9150b748f278a02c7874e9fc3fd026082581 (diff) | |
| download | barebox-34ab8ddd04ae08e8bca6d277b4f692f4f303c20d.tar.gz barebox-34ab8ddd04ae08e8bca6d277b4f692f4f303c20d.tar.xz | |
Load PBL into SRAM
This allows to load all the lowlevel init code, including the
uncompressor, inside SRAM and not just the bare init part. This is
useful when pbl is used as a first-stage bootloader but is loaded by an
external firmware.
Signed-off-by: David Vincent <freesilicon@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'common/Kconfig')
| -rw-r--r-- | common/Kconfig | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/common/Kconfig b/common/Kconfig index 8af7ec1a8d..b65bdd8b27 100644 --- a/common/Kconfig +++ b/common/Kconfig @@ -145,13 +145,24 @@ config BAREBOX_MAX_IMAGE_SIZE help Define the maximum size of barebox +config BAREBOX_MAX_PBL_SIZE + depends on PBL_IMAGE + prompt "Maximum pre-bootloader size" + hex + default 0xffffffff + help + On some hardware the ROM code can load the pbl into SRAM, but not + the whole image. This option specifies how big the pbl may get. + config BAREBOX_MAX_BARE_INIT_SIZE prompt "Maximum bare_init size" hex + range 0x0 BAREBOX_MAX_PBL_SIZE if LOAD_PBL_SRAM + default BAREBOX_MAX_PBL_SIZE if LOAD_PBL_SRAM default 0xffffffff help Define the maximum size of bare_init - this will allow your bare_init will fit in SRAM as example + this will allow your bare_init to fit in SRAM as example ARCH can overwrite it via ARCH_BAREBOX_MAX_BARE_INIT_SIZE config HAVE_CONFIGURABLE_MEMORY_LAYOUT |