On 10/24/2016 01:33 AM, Priyanka Jain wrote:
LS2080 SoC and its personalities does not support TZASC But other new SoCs like LS2088A, LS1088A supports TASC
Hence, skip initializing TZASC for Ls2080A based on SVR
Signed-off-by: Priyanka Jain priyanka.jain@nxp.com
arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S | 19 ++++++++++++++++++- .../include/asm/arch-fsl-layerscape/immap_lsch3.h | 4 ++++ arch/arm/include/asm/arch-fsl-layerscape/soc.h | 6 ++++++ 3 files changed, 28 insertions(+), 1 deletions(-)
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S index 3274cad..82b7696 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S +++ b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S @@ -10,6 +10,8 @@ #include <linux/linkage.h> #include <asm/gic.h> #include <asm/macro.h> +#include <asm/arch-fsl-layerscape/immap_lsch3.h> +#include <asm/arch-fsl-layerscape/soc.h> #ifdef CONFIG_MP #include <asm/arch/mp.h> #endif @@ -137,6 +139,15 @@ ENTRY(lowlevel_init) #endif
#ifdef CONFIG_FSL_TZASC_400
- bl svr_dev_id /* get high 16 bits of SVR */
- /*
* LS2080 and its personalities does not support TZASC* So skip TZASC related operations*/- ldr x1, =SVR_DEV_LS2080A
- cmp x0, x1
It will be better to consolidate the get_svr() function to implemente in assembly code.
- b.eq 1f
Please clarify, before this patch the code runs through this section for LS2080A but actually it has no effect, correct?
York