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Finally... renamed all CONFIG_DRAM_ settings to CONFIG_RAM_

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This commit is contained in:
Gregory Nutt 2013-07-26 10:09:17 -06:00
parent 13b5f7825c
commit 7258eaab49
1 changed files with 11 additions and 11 deletions
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22
Documentation/NuttxPortingGuide.html
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@ -12,7 +12,7 @@
<h1><big><font color="#3c34ec">
<i>NuttX RTOS Porting Guide</i>
</font></big></h1>
<p>Last Updated: June 11, 2013</p>
<p>Last Updated: July 26, 2013</p>
</td>
</tr>
</table>
@ -4367,12 +4367,12 @@ void (*notify)(FAR struct pm_callback_s *cb, enum pm_state_e pmstate);
Some architectures require a description of the RAM configuration:
</p>
<ul>
<li><code>CONFIG_DRAM_SIZE</code>:
Describes the installed DRAM.</li>
<li><code>CONFIG_DRAM_START</code>:
The start address of DRAM (physical)</li>
<li><code>CONFIG_DRAM_VSTART</code>:
The start address of DRAM (virtual)</li>
<li><code>CONFIG_RAM_SIZE</code>:
Describes the primary installed RAM.</li>
<li><code>CONFIG_RAM_START</code>:
The start address of primary RAM (physical)</li>
<li><code>CONFIG_RAM_VSTART</code>:
The start address of primary RAM (virtual). This is only needed on platforms that support address mapping.</li>
</ul>
<h2>Build Options</h2>
@ -5063,14 +5063,14 @@ int ret = sigaction(SIGCHLD, &sa, NULL);
<li>
<code>CONFIG_PAGING_NLOCKED</code>:
This is the number of locked pages in the memory map.
The locked address region will then be from <code>CONFIG_DRAM_VSTART</code> through
(<code>CONFIG_DRAM_VSTART</code> + <code>CONFIG_PAGING_PAGESIZE</code>*<code>CONFIG_PAGING_NLOCKED</code>)
The locked address region will then be from <code>CONFIG_RAM_VSTART</code> through
(<code>CONFIG_RAM_VSTART</code> + <code>CONFIG_PAGING_PAGESIZE</code>*<code>CONFIG_PAGING_NLOCKED</code>)
</li>
<li>
<code>CONFIG_PAGING_LOCKED_PBASE</code> and <code>CONFIG_PAGING_LOCKED_VBASE</code>:
These may be defined to determine the base address of the locked page regions.
If neither are defined, the logic will be set the bases to <code>CONFIG_DRAM_START</code>
and <code>CONFIG_DRAM_VSTART</code> (i.e., it assumes that the base address of the locked
If neither are defined, the logic will be set the bases to <code>CONFIG_RAM_START</code>
and <code>CONFIG_RAM_VSTART</code> (i.e., it assumes that the base address of the locked
region is at the beginning of RAM).
<b>NOTE</b>:
In some architectures, it may be necessary to take some memory from the beginning