diff options
| author | Yatharth Kochar <yatharth.kochar@arm.com> | 2016-11-22 11:06:03 +0000 |
|---|---|---|
| committer | dp-arm <dimitris.papastamos@arm.com> | 2017-05-15 16:35:29 +0100 |
| commit | 1bd61d0aa2e135259c2584d712443149b792c52e (patch) | |
| tree | 7ab27ba99a1c27e45dcf2f5f84ade6b42af561d3 /bl2u/bl2u_main.c | |
| parent | a44090080308beefe64d302bcc76de70f0d1d280 (diff) | |
AArch32: Add BL2U support
Add support for firmware upgrade on AArch32.
This patch has been tested on the FVP models.
NOTE: Firmware upgrade on Juno AArch32 is not currently supported.
Change-Id: I1ca8078214eaf86b46463edd14740120af930aec
Signed-off-by: dp-arm <dimitris.papastamos@arm.com>
Co-Authored-By: Yatharth Kochar <yatharth.kochar@arm.com>
Diffstat (limited to 'bl2u/bl2u_main.c')
| -rw-r--r-- | bl2u/bl2u_main.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/bl2u/bl2u_main.c b/bl2u/bl2u_main.c index 2504668f..820da100 100644 --- a/bl2u/bl2u_main.c +++ b/bl2u/bl2u_main.c @@ -42,6 +42,15 @@ void bl2u_main(void) console_flush(); +#ifdef AARCH32 + /* + * For AArch32 state BL1 and BL2U share the MMU setup. + * Given that BL2U does not map BL1 regions, MMU needs + * to be disabled in order to go back to BL1. + */ + disable_mmu_icache_secure(); +#endif /* AARCH32 */ + /* * Indicate that BL2U is done and resume back to * normal world via an SMC to BL1. |