diff options
| author | Conor Dooley <conor.dooley@microchip.com> | 2022-11-17 22:55:18 +0000 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2023-01-06 10:42:55 +1000 |
| commit | 592f0a9429b924bc7eec0aee60afa391f7ca96b2 (patch) | |
| tree | 8f45f7eb4fb33777a84712a1b33ddc0ddb4a9c2f /include/hw/misc | |
| parent | 8d32e374a805976c622ed58073015eaf2e6859dc (diff) | |
hw/{misc, riscv}: pfsoc: add system controller as unimplemented
The system controller on PolarFire SoC is access via a mailbox. The
control registers for this mailbox lie in the "IOSCB" region & the
interrupt is cleared via write to the "SYSREG" region. It also has a
QSPI controller, usually connected to a flash chip, that is used for
storing FPGA bitstreams and used for In-Application Programming (IAP).
Linux has an implementation of the system controller, through which the
hwrng is accessed, leading to load/store access faults.
Add the QSPI as unimplemented and a very basic (effectively
unimplemented) version of the system controller's mailbox. Rather than
purely marking the regions as unimplemented, service the mailbox
requests by reporting failures and raising the interrupt so a guest can
better handle the lack of support.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20221117225518.4102575-4-conor@kernel.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'include/hw/misc')
| -rw-r--r-- | include/hw/misc/mchp_pfsoc_ioscb.h | 3 | ||||
| -rw-r--r-- | include/hw/misc/mchp_pfsoc_sysreg.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/include/hw/misc/mchp_pfsoc_ioscb.h b/include/hw/misc/mchp_pfsoc_ioscb.h index 687b213742..a1104862c8 100644 --- a/include/hw/misc/mchp_pfsoc_ioscb.h +++ b/include/hw/misc/mchp_pfsoc_ioscb.h @@ -29,6 +29,8 @@ typedef struct MchpPfSoCIoscbState { MemoryRegion lane01; MemoryRegion lane23; MemoryRegion ctrl; + MemoryRegion qspixip; + MemoryRegion mailbox; MemoryRegion cfg; MemoryRegion ccc; MemoryRegion pll_mss; @@ -41,6 +43,7 @@ typedef struct MchpPfSoCIoscbState { MemoryRegion cfm_sgmii; MemoryRegion bc_sgmii; MemoryRegion io_calib_sgmii; + qemu_irq irq; } MchpPfSoCIoscbState; #define TYPE_MCHP_PFSOC_IOSCB "mchp.pfsoc.ioscb" diff --git a/include/hw/misc/mchp_pfsoc_sysreg.h b/include/hw/misc/mchp_pfsoc_sysreg.h index 546ba68f6a..3cebe40ea9 100644 --- a/include/hw/misc/mchp_pfsoc_sysreg.h +++ b/include/hw/misc/mchp_pfsoc_sysreg.h @@ -28,6 +28,7 @@ typedef struct MchpPfSoCSysregState { SysBusDevice parent; MemoryRegion sysreg; + qemu_irq irq; } MchpPfSoCSysregState; #define TYPE_MCHP_PFSOC_SYSREG "mchp.pfsoc.sysreg" |