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Sandrine Bailleux ef7fb9e48e Porting Guide: Clarify identity-mapping requirement 
The memory translation library in Trusted Firmware supports
non-identity mappings for Physical to Virtual addresses since commit
f984ce84ba. However, the porting guide hasn't been updated
accordingly and still mandates the platform ports to use
identity-mapped page tables for all addresses.

This patch removes this out-dated information from the Porting Guide
and clarifies in which circumstances non-identity mapping may safely
be used.

Fixes ARM-software/tf-issues#258

Change-Id: I84dab9f3cabfc43794951b1828bfecb13049f706
2016-01-29 16:09:12 +00:00
..
diagrams Merge pull request #472 from danh-arm/dh/fwu-docs 2015-12-17 17:37:15 +00:00
plat docs: fix the command to compile BL31 on Tegra 2015-08-01 11:14:32 +05:30
spd Tegra: retrieve BL32's bootargs from bl32_ep_info 2015-07-31 10:26:22 +05:30
auth-framework.md Remove dashes from image names: 'BL3-x' --> 'BL3x' 2015-12-14 12:31:37 +00:00
change-log.md Update change-log.md for v1.2 release 2015-12-21 18:17:12 +00:00
cpu-specific-build-macros.md cortex_a53: Add A53 errata #826319, #836870 2015-08-05 19:58:39 +08:00
firmware-design.md Doc: Update out-dated info about Juno's mailbox 2016-01-15 16:37:46 +00:00
firmware-update.md Documentation: Fix broken links in ToCs 2016-01-12 11:19:39 +00:00
interrupt-framework-design.md Documentation: Fix broken links in ToCs 2016-01-12 11:19:39 +00:00
platform-migration-guide.md Remove dashes from image names: 'BL3-x' --> 'BL3x' 2015-12-14 12:31:37 +00:00
porting-guide.md Porting Guide: Clarify identity-mapping requirement 2016-01-29 16:09:12 +00:00
psci-pd-tree.md PSCI: Introduce new platform interface to describe topology 2015-08-13 16:28:26 +01:00
reset-design.md Introduce the ARM TF reset design document 2015-12-15 15:14:43 +00:00
rt-svc-writers-guide.md Miscellaneous doc fixes for v1.2 2015-12-21 18:10:12 +00:00
trusted-board-boot.md FWU: Add documentation for Firmware Update feature 2015-12-17 16:39:37 +00:00
user-guide.md ARM plat: add build option to unlock access to non-secure timer 2016-01-20 09:49:45 +00:00