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| author | Aneesh Bansal <aneesh.bansal@freescale.com> | 2014-03-11 23:21:45 +0530 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2014-04-22 17:58:46 -0700 |
| commit | 7efb4b51975409fb922e9f9bfec21a7affb6f83f (patch) | |
| tree | c17238ada9e9d0cfdeb0d43b408afde20034d3e7 | |
| parent | 50c7636764f819ce9e0264f4b950d4829e8d10ed (diff) | |
| download | u-boot-imx-7efb4b51975409fb922e9f9bfec21a7affb6f83f.zip u-boot-imx-7efb4b51975409fb922e9f9bfec21a7affb6f83f.tar.gz u-boot-imx-7efb4b51975409fb922e9f9bfec21a7affb6f83f.tar.bz2 | |
powerpc/mpc8xxx: SECURE BOOT- Disable law 0 for non PBL platforms
ISBC creates a LAW 0 entry for non PBL platforms, which is not
disabled before transferring the control to uboot.
The LAW 0 entry has to be disabled.
Signed-off-by: Aneesh Bansal <aneesh.bansal@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
| -rw-r--r-- | arch/powerpc/cpu/mpc8xxx/law.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/mpc8xxx/law.c b/arch/powerpc/cpu/mpc8xxx/law.c index a401083..55ee125 100644 --- a/arch/powerpc/cpu/mpc8xxx/law.c +++ b/arch/powerpc/cpu/mpc8xxx/law.c @@ -233,6 +233,16 @@ void init_laws(void) #error FSL_HW_NUM_LAWS can not be greater than 32 w/o code changes #endif +#if defined(CONFIG_SECURE_BOOT) && defined(CONFIG_E500) && \ + !defined(CONFIG_E500MC) + /* ISBC (Boot ROM) creates a LAW 0 entry for non PBL platforms, + * which is not disabled before transferring the control to uboot. + * Disable the LAW 0 entry here. + */ + disable_law(0); +#endif + + /* * Any LAWs that were set up before we booted assume they are meant to * be around and mark them used. |