From a52c52518b18d80ff569bb4cc2696907d2d5e391 Mon Sep 17 00:00:00 2001 From: Manish V Badarkhe Date: Tue, 7 Mar 2023 10:21:30 +0000 Subject: [PATCH] docs: update TZC secured DRAM map for FVP and Juno Updated the documentation to include missing details about the TZC secured DRAM mapping for the FVP and Juno platforms. Change-Id: I10e59b9f9686fa2fef97f89864ebc272b10e5c0b Signed-off-by: Manish V Badarkhe --- docs/design/firmware-design.rst | 38 +++++++++++++++++++++++++++++---- 1 file changed, 34 insertions(+), 4 deletions(-) diff --git a/docs/design/firmware-design.rst b/docs/design/firmware-design.rst index 97f355045..2c9b76a01 100644 --- a/docs/design/firmware-design.rst +++ b/docs/design/firmware-design.rst @@ -1759,6 +1759,10 @@ BL image during boot. DRAM 0xffffffff +----------+ + | EL3 TZC | + 0xffe00000 |----------| (secure) + | AP TZC | + 0xff000000 +----------+ : : 0x82100000 |----------| |HW_CONFIG | @@ -1800,6 +1804,10 @@ BL image during boot. DRAM 0xffffffff +--------------+ + | EL3 TZC | + 0xffe00000 |--------------| (secure) + | AP TZC | + 0xff000000 +--------------+ : : 0x82100000 |--------------| | HW_CONFIG | @@ -1840,7 +1848,10 @@ BL image during boot. DRAM 0xffffffff +----------+ - | BL32 | (secure) + | EL3 TZC | + 0xffe00000 |----------| (secure) + | AP TZC | + | (BL32) | 0xff000000 +----------+ | | 0x82100000 |----------| @@ -1880,6 +1891,20 @@ BL image during boot. :: + DRAM + 0xFFFFFFFF +----------+ + | SCP TZC | + 0xFFE00000 |----------| + | EL3 TZC | + 0xFFC00000 |----------| (secure) + | AP TZC | + 0xFF000000 +----------+ + | | + : : (non-secure) + | | + 0x80000000 +----------+ + + Flash0 0x0C000000 +----------+ : : @@ -1909,9 +1934,14 @@ BL image during boot. :: DRAM - 0xFFE00000 +----------+ - | BL32 | (secure) - 0xFF000000 |----------| + 0xFFFFFFFF +----------+ + | SCP TZC | + 0xFFE00000 |----------| + | EL3 TZC | + 0xFFC00000 |----------| (secure) + | AP TZC | + | (BL32) | + 0xFF000000 +----------+ | | : : (non-secure) | | -- 2.39.5