diff options
| author | Priyanka Jain <priyanka.jain@nxp.com> | 2016-11-17 12:29:54 +0530 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2016-11-22 11:37:49 -0800 |
| commit | d5df606d17f80d78e4d577e80fd0034dc66486be (patch) | |
| tree | c500a4b9306996ecd1a3900005abe908cf6aa7a3 /arch/arm | |
| parent | 7cfbb4abe3c4755363aa3d692511bf187852adf6 (diff) | |
armv8: fsl-layerscape : Check SVR for initializing TZASC
LS2080 SoC and its personalities does not support TZASC
But other new SoCs like LS2088A, LS1088A supports TZASC
Hence, skip initializing TZASC for Ls2080A based on SVR
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S index ac189d3c15..f7b49cb9fe 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S +++ b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S @@ -15,6 +15,7 @@ #endif #ifdef CONFIG_FSL_LSCH3 #include <asm/arch-fsl-layerscape/immap_lsch3.h> +#include <asm/arch-fsl-layerscape/soc.h> #endif ENTRY(lowlevel_init) @@ -140,6 +141,16 @@ ENTRY(lowlevel_init) #endif #ifdef CONFIG_FSL_TZASC_400 + /* + * LS2080 and its personalities does not support TZASC + * So skip TZASC related operations + */ + bl get_svr + lsr w0, w0, #16 + ldr w1, =SVR_DEV_LS2080A + cmp w0, w1 + b.eq 1f + /* Set TZASC so that: * a. We use only Region0 whose global secure write/read is EN * b. We use only Region0 whose NSAID write/read is EN @@ -182,7 +193,7 @@ ENTRY(lowlevel_init) isb dsb sy #endif - +1: #ifdef CONFIG_ARCH_LS1046A /* Initialize the L2 RAM latency */ mrs x1, S3_1_c11_c0_2 |