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| author | Graeme Gregory <graeme@nuviainc.com> | 2020-08-26 15:19:52 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-09-01 14:01:34 +0100 |
| commit | 3f462bf0f6ea6382dd1502d4eb1fcd33c8e774f5 (patch) | |
| tree | dcc3ac77dff58aa71b114991839cf173cd8ffeb8 | |
| parent | dccb92b5caee973cb10f3f429741efe5cf747feb (diff) | |
| download | qemu-3f462bf0f6ea6382dd1502d4eb1fcd33c8e774f5.zip qemu-3f462bf0f6ea6382dd1502d4eb1fcd33c8e774f5.tar.gz qemu-3f462bf0f6ea6382dd1502d4eb1fcd33c8e774f5.tar.bz2 | |
hw/arm/sbsa-ref : Add embedded controller in secure memory
Add the previously created sbsa-ec device to the sbsa-ref machine in
secure memory so the PSCI implementation in ARM-TF can access it, but
not expose it to non secure firmware or OS except by via ARM-TF.
Signed-off-by: Graeme Gregory <graeme@nuviainc.com>
Reviewed-by: Leif Lindholm <leif@nuviainc.com>
Tested-by: Leif Lindholm <leif@nuviainc.com>
Message-id: 20200826141952.136164-3-graeme@nuviainc.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | hw/arm/sbsa-ref.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/hw/arm/sbsa-ref.c b/hw/arm/sbsa-ref.c index 7475aac..47b5286 100644 --- a/hw/arm/sbsa-ref.c +++ b/hw/arm/sbsa-ref.c @@ -62,6 +62,7 @@ enum { SBSA_CPUPERIPHS, SBSA_GIC_DIST, SBSA_GIC_REDIST, + SBSA_SECURE_EC, SBSA_SMMU, SBSA_UART, SBSA_RTC, @@ -107,6 +108,7 @@ static const MemMapEntry sbsa_ref_memmap[] = { [SBSA_CPUPERIPHS] = { 0x40000000, 0x00040000 }, [SBSA_GIC_DIST] = { 0x40060000, 0x00010000 }, [SBSA_GIC_REDIST] = { 0x40080000, 0x04000000 }, + [SBSA_SECURE_EC] = { 0x50000000, 0x00001000 }, [SBSA_UART] = { 0x60000000, 0x00001000 }, [SBSA_RTC] = { 0x60010000, 0x00001000 }, [SBSA_GPIO] = { 0x60020000, 0x00001000 }, @@ -608,6 +610,16 @@ static void *sbsa_ref_dtb(const struct arm_boot_info *binfo, int *fdt_size) return board->fdt; } +static void create_secure_ec(MemoryRegion *mem) +{ + hwaddr base = sbsa_ref_memmap[SBSA_SECURE_EC].base; + DeviceState *dev = qdev_new("sbsa-ec"); + SysBusDevice *s = SYS_BUS_DEVICE(dev); + + memory_region_add_subregion(mem, base, + sysbus_mmio_get_region(s, 0)); +} + static void sbsa_ref_init(MachineState *machine) { unsigned int smp_cpus = machine->smp.cpus; @@ -731,6 +743,8 @@ static void sbsa_ref_init(MachineState *machine) create_pcie(sms); + create_secure_ec(secure_sysmem); + sms->bootinfo.ram_size = machine->ram_size; sms->bootinfo.nb_cpus = smp_cpus; sms->bootinfo.board_id = -1; |