Add support for the PSCI CPU_ON call to allow booting secondary CPU
cores. On cold boot they need to be booted with a special register
sequence. Also, the "boot remapper" needs to be configured to point to
the BL31_BASE, so the CPUs actually start executing BL31 after reset.
Change-Id: I406c508070ccb046bfdefd51554f12e1db671fd4
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Booting e.g. Linux in the non-secure world does not work with the
msm8916 port yet because essential hardware is not made available to
the non-secure world. Add more platform initialization to:
- Initialize the GICv2 and mark secure interrupts.
Only secure SGIs/PPIs so far. Override the GICD_PIDR2_GICV2
register address in platform_def.h to avoid a failing assert()
because of a (hardware) mistake in Qualcomm's GICv2 implementation.
- Make a timer frame available to the non-secure world.
The "Qualcomm Timer" (QTMR) implements the ARM generic timer
specification, so the standard defines (CNTACR_BASE etc)
can be used.
- Make parts of the "APCS" register region available to the
non-secure world, e.g. for CPU frequency control implemented
in Linux.
- Initialize a platform-specific register to route all SMMU context
bank interrupts to the non-secure interrupt pin, since all control
of the SMMUs is left up to the non-secure world for now.
Change-Id: Icf676437b8e329dead06658e177107dfd0ba4f9d
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Introduce the bare mimimum base of the msm8916 BL31 port. This is
pretty much just a standard platform "skeleton" with CPU/memory
initialization and an UART driver. This allows booting into
e.g. U-Boot with working UART output.
Note that the plat/qti/msm8916 port is completely separate and does not
make use of anything in plat/qti/common at the moment. The main reason
for that is that plat/qti/common is heavily focused around having a
binary "qtiseclib" component, while the MSM8916 port is fully
open-source (and therefore somewhat limited to publicly documented
functionality).
In the future it might be possible to re-use some of the open-source
parts in plat/qti/common (e.g. spmi_arb.c or pm_ps_hold.c) but it's
not strictly required for the basic functionality supported so far.
Change-Id: I7b4375df0f947b3bd1e55b0b52b21edb6e6d175b
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
The qti sc7280 platform uses the pmk7325 PMIC, which has the same
functionality as the pm8998 driver, with the exception of the LC
PON register offsets, which are defined as:
Since it is nearly identical to the pm8998 driver, moving the above
register offset definitions to platform_def.h for the respective SoC
and reusing the rest of the functions defined in the pm8998 driver.
Renaming pm8998 driver to pm_ps_hold to make it more generic.
Change-Id: I0dda3a54579e0bbdd42c247405362a86d0607478
Signed-off-by: Shelley Chen <shchen@chromium.org>
The NUM_APID value was derived from kernel device tree sources, but I
made a conversion mistake: the amount of bytes in the APID map is the
total size of the "core" register range (0x1100) minus the offset of the
APID map in that range (0x900). This is of course 0x1100 - 0x900 = 0x800
and not 0x200, so the amount of 4-byte integers it can fit is not 0x80
but 0x200. Fix this and make the math more explicit so it can be more
easily factored out and adjusted if that becomes necessary for a future
SoC.
Also fix a dangerous typo in REG_APID_MAP() where the macro would
reference a random variable `i` rather than its argument (`apid`), and
we just got lucky that the only caller in the current code happened to
pass in a variable called `i` as that argument.
Signed-off-by: Julius Werner <jwerner@chromium.org>
Change-Id: I049dd044fa5aeb65be0e7b12150afd6eb4bac0fa
renamed smcc api with correct name plat_is_smccc_feature_available
Change-Id: I277ece02bffc2caa065256576c1a047dfcde1c92
Signed-off-by: Saurabh Gorecha <sgorecha@codeaurora.org>
implementation of SMC call SMCCC_ARCH_SOC_ID
adding debugging logs in mem assign call.
Checking range of param in mem_assign call is from CB_MEM_RAM
or CB_MEM_RESERVED.
Change-Id: Iba51bff154df01e02dcb7715582ffaff7beba26e
Signed-off-by: Saurabh Gorecha <sgorecha@codeaurora.org>
And from crash_console_flush.
We ignore the error information return by console_flush in _every_
place where we call it, and casting the return type to void does not
work around the MISRA violation that this causes. Instead, we collect
the error information from the driver (to avoid changing that API), and
don't return it to the caller.
Change-Id: I1e35afe01764d5c8f0efd04f8949d333ffb688c1
Signed-off-by: Jimmy Brisson <jimmy.brisson@arm.com>
Coverity warns about the risk of unintended sign-exension in some of the
calculations in spmi_arb.c. While the actual numbers used are small
enough that this cannot happen in practice, it's still a good idea to
clean them up by explicitly making the constants used unsigned.
Signed-off-by: Julius Werner <jwerner@chromium.org>
Change-Id: Ia169e0f7c6b01b8041e8029e8c8d30ee596ba30d
With an open source SPMI driver we can now remove qtiseclib involvement
in reset and shutdown handling by setting the required registers
directly.
Change-Id: I6bf1db15734048df583daa2a4ee98701c6ece621
Signed-off-by: Julius Werner <jwerner@chromium.org>
This patch adds a very rudimentary driver for the SPMI arbitrator used
to access the PMIC. It doesn't support all the controller's actual
arbitration features, so it should probably not be used concurrently
with a running kernel (and it's also not optimized for performance). But
it can be used to set a few registers during boot or on shutdown to
control reset handling, which is all we need it for.
Change-Id: I8631c34a2a89ac71aa1ec9b8266e818c922fe34a
Signed-off-by: Julius Werner <jwerner@chromium.org>
The patch adding platform support for sc7180 landed around roughly the
same time as the patch that changed GICV3_IMPL to GICV3_SUPPORT_GIC600.
Thus the sc7180 Makefile is still using the old variable name which now
no longer does anything, and it hangs on boot due to the lacking GIC-600
support. This patch fixes the issue.
Signed-off-by: Julius Werner <jwerner@chromium.org>
Change-Id: Id76ada1445c3c5ac9a5a3697b4e749088b89d796
Fixed build failure due to the commit:905f93c77 by removing
the inclusion of non-existent 'stdinit.h' file.
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Change-Id: I8e3ca69c016b7a2354c58c4d384a492631c36286
This patch adds RNG driver and use it to generate random number for stack
protection.
Change-Id: I73d79e68d08b5aa902dc7fad48e17a03f996178d
Signed-off-by: Saurabh Gorecha <sgorecha@codeaurora.org>
Adding support for QTI CHIP SC7180 on ATF
Change-Id: I0d82d3a378036003fbd0bc4784f61464bb76ea82
Signed-off-by: Saurabh Gorecha <sgorecha@codeaurora.org>
Co-authored-by: Maulik Shah <mkshah@codeaurora.org>
Stephan Gerhold
Shelley Chen
Saurabh Gorecha
Julius Werner
Madhukar Pappireddy
Jimmy Brisson
Manish V Badarkhe