[PATCH] zynqmp: restore the jtag interface

2021-10-13 Thread Jorge Ramirez-Ortiz
When boot.bin is configured for secure boot the CSU will disable the JTAG interface on all cases. Some boards might rely on this interface for flashing to QSPI in which case those systems might end up bricked during development. This commit will restore the interface under CSU control

Re: [PATCH] zynqmp: restore the jtag interface

2021-08-27 Thread Michal Simek
On 8/27/21 11:17 AM, Jorge Ramirez-Ortiz, Foundries wrote: > On 12/08/21, Michal Simek wrote: >> >> >> On 7/16/21 7:16 PM, Jorge Ramirez-Ortiz wrote: >>> As a security feature, if boot.bin was configured for secure boot the >>> CSU will disable the JTAG interface on all cases. >>> >>> Some

Re: [PATCH] zynqmp: restore the jtag interface

2021-08-27 Thread Jorge Ramirez-Ortiz, Foundries
On 12/08/21, Michal Simek wrote: > > > On 7/16/21 7:16 PM, Jorge Ramirez-Ortiz wrote: > > As a security feature, if boot.bin was configured for secure boot the > > CSU will disable the JTAG interface on all cases. > > > > Some boards might rely on this interface for flashing to QSPI in which >

Re: [PATCH] zynqmp: restore the jtag interface

2021-08-11 Thread Michal Simek
On 7/16/21 7:16 PM, Jorge Ramirez-Ortiz wrote: > As a security feature, if boot.bin was configured for secure boot the > CSU will disable the JTAG interface on all cases. > > Some boards might rely on this interface for flashing to QSPI in which > case those systems might end up bricked during

Re: [PATCH] zynqmp: restore the jtag interface

2021-08-11 Thread Jorge Ramirez-Ortiz, Foundries
On 16/07/21, Jorge Ramirez-Ortiz wrote: reminder > As a security feature, if boot.bin was configured for secure boot the > CSU will disable the JTAG interface on all cases. > > Some boards might rely on this interface for flashing to QSPI in which > case those systems might end up bricked

[PATCH] zynqmp: restore the jtag interface

2021-07-16 Thread Jorge Ramirez-Ortiz
As a security feature, if boot.bin was configured for secure boot the CSU will disable the JTAG interface on all cases. Some boards might rely on this interface for flashing to QSPI in which case those systems might end up bricked during development. This commit attempts to restore the interface