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>
master
Priyanka Jain 8 years ago committed by York Sun
parent 7cfbb4abe3
commit d5df606d17
  1. 13
      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

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