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| author | York Sun <york.sun@nxp.com> | 2017-03-06 17:02:24 (GMT) |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2017-03-14 15:44:03 (GMT) |
| commit | f2ccf7f7aacf75bd9c521459d1d20df07d1ebe41 (patch) | |
| tree | 2e070deb61f5e223d3b4d3f4433cb4006bdd7590 /arch/arm/cpu/armv8/fsl-layerscape/Kconfig | |
| parent | 8537ddd769f460d7fb7a62a3dcc9669049702e51 (diff) | |
| download | u-boot-f2ccf7f7aacf75bd9c521459d1d20df07d1ebe41.tar.xz | |
armv8: Add global variable resv_ram
Use gd->arch.resv_ram to track reserved memory allocation.
Signed-off-by: York Sun <york.sun@nxp.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/Kconfig')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig index b5609ff..b8b9cd5 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig +++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig @@ -277,6 +277,16 @@ config SYS_FSL_SDHC_CLK_DIV clock, in another word SDHC_clk = Platform_clk / this_divider. endmenu +config RESV_RAM + bool + help + Reserve memory from the top, tracked by gd->arch.resv_ram. This + reserved RAM can be used by special driver that resides in memory + after U-Boot exits. It's up to implementation to allocate and allow + access to this reserved memory. For example, the reserved RAM can + be at the high end of physical memory. The reserve RAM may be + excluded from memory bank(s) passed to OS, or marked as reserved. + config SYS_FSL_ERRATUM_A008336 bool |