[bootlin/training-materials updates] master: OMAP booting process: clarify RAM/DRAM (bf776bf4)
Michael Opdenacker
michael.opdenacker at bootlin.com
Mon Mar 1 15:38:04 CET 2021
Repository : https://github.com/bootlin/training-materials
On branch : master
Link : https://github.com/bootlin/training-materials/commit/bf776bf4cad38e29f5a2a4748f942346c0d659ff
>---------------------------------------------------------------
commit bf776bf4cad38e29f5a2a4748f942346c0d659ff
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date: Mon Mar 1 15:38:04 2021 +0100
OMAP booting process: clarify RAM/DRAM
Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>
>---------------------------------------------------------------
bf776bf4cad38e29f5a2a4748f942346c0d659ff
common/booting-process-omap.tex | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/common/booting-process-omap.tex b/common/booting-process-omap.tex
index c9436391..b8f18800 100644
--- a/common/booting-process-omap.tex
+++ b/common/booting-process-omap.tex
@@ -7,18 +7,18 @@
\footnotesize
\begin{itemize}
\item {\bf ROM Code}: tries to find a valid bootstrap image from
- various storage sources, and load it into SRAM or RAM (RAM can
+ various storage sources, and load it into SRAM or DRAM (DRAM can
be initialized by ROM code through a configuration header). Size
limited to \textless 64 KB. No user interaction possible.
\item {\bf X-Loader} or {\bf U-Boot SPL}: runs from SRAM. Initializes
the DRAM, the NAND or MMC controller, and loads the secondary
- bootloader into RAM and starts it. No user interaction
+ bootloader into DRAM and starts it. No user interaction
possible. File called \code{MLO} ({\em Mmc LOader}).
- \item {\bf U-Boot}: runs from RAM. Initializes some other hardware
+ \item {\bf U-Boot}: runs from DRAM. Initializes some other hardware
devices (network, USB, etc.). Loads the kernel image from
- storage or network to RAM and starts it. Shell with commands
+ storage or network to DRAM and starts it. Shell with commands
provided. File called \code{u-boot.bin} or \code{u-boot.img}.
- \item {\bf Linux Kernel}: runs from RAM. Takes over the system
+ \item {\bf Linux Kernel}: runs from DRAM. Takes over the system
completely (bootloaders no longer exists).
\end{itemize}
\end{columns}
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