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As suspend with last CPU power down needs SCFW support,
and it is NOT ready now, in order to enable kernel suspend
function earlier for modules to start debugging suspend
resume function, this patch adds standby suspend for now.
Will add last CPU power down suspend function when SCFW
is ready.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
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Add system_off pcsi callback to avoid below kernel
message when doing power off:
[11613.953711] reboot: Power down
[11613.958318] systemd-shutdow: 8 output lines suppressed due to ratelimiting
[11613.965285] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00
[11613.965285]
[11613.974441] CPU: 0 PID: 1 Comm: systemd-shutdow Not tainted 4.9.11-03354-g0e1
[11613.982369] Hardware name: Freescale i.MX8QXP LPDDR4 ARM2 (DT)
[11613.988216] Call trace:
[11613.990681] [<ffff0000080882bc>] dump_backtrace+0x0/0x1a8
[11613.996092] [<ffff000008088478>] show_stack+0x14/0x1c
[11614.001154] [<ffff0000083aaf98>] dump_stack+0x8c/0xac
[11614.006213] [<ffff000008162aac>] panic+0x124/0x28c
[11614.011016] [<ffff0000080c0b20>] complete_and_exit+0x0/0x20
[11614.016600] [<ffff0000080dc6d8>] SyS_reboot+0x168/0x244
[11614.021829] [<ffff000008082ef0>] el0_svc_naked+0x24/0x28
[11614.027153] Kernel Offset: disabled
[11614.030646] Memory Limit: none
[11614.040755] ---[ end Kernel panic - not syncing: Attempted to kill init! exi0
[11614.040755]
As there is no system power off SCFW API available now, so just
simply do wfi and never return when system_off is called.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
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Add SRTC SIP support for i.MX8QM/i.MX8QXP.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
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Add i.MX8QXP board reset support.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
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Linux kernel will issue cpu-freq scale via SIP, ATF
calls SCFW API to finish the CPU frequency scale.
Move SIP service code from i.mx8mq to common place for
all i.mx SoCs.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
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Reserve the memory region that is only can access by ATF. ATF is running
in this memory region, while masters in other partitions can't access it.
Signed-off-by: Ye Li <ye.li@nxp.com>
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Change to search the ATF owned memory regions and assign them to non-secure
OS partition. Not allocate new memory region for each one.
Signed-off-by: Ye Li <ye.li@nxp.com>
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As we already have control for debug console in platform_def.h,
so no need to un-initialize console in plat runtime setup, just
overwrite the common implementation with blank function.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
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Signed-off-by: Nitin Garg <nitin.garg@nxp.com>
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Not only the resources, but also the memory regions need to assign to
non-secure partition. Otherwise, when the boot partition is secured,
the OS non-secure partition can't access any memory.
This patch currently assign all memory to NS partition, since it is not
isolated, the current secure partition also can access them. In future,
may need to change the regions for reserving some memory in secure
partition for ATF and BL32.
Signed-off-by: Ye Li <ye.li@nxp.com>
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missed bit 31 and 30 which are needed
Signed-off-by: Nitin Garg <nitin.garg@nxp.com>
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Signed-off-by: Nitin Garg <nitin.garg@nxp.com>
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Disable ATF console output for iMX8QM
Signed-off-by: Nitin Garg <nitin.garg@nxp.com>
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Disable debug console by default on i.MX8QXP.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
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Debug console baudrate should be 115200 for i.MX8QXP real board.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
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Add necessary resources to secure partition for protection.
Also add in functionality to allow for register access
of some secure-owned peripherals.
These peripherals will still be protected from power or
clk changes.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Teo Hall <teo.hall@nxp.com>
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Add i.MX8QXP platform support.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Bai Ping <ping.bai@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
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