diff options
author | Peter Maydell <peter.maydell@linaro.org> | 2021-02-19 14:45:41 +0000 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2021-03-08 17:20:01 +0000 |
commit | 407664539d76523222a4a4a3ef273645593f75b2 (patch) | |
tree | 75b7e7f77a40bc782a8ef9fbca13c5531345928e /hw/misc | |
parent | 0eb6b0ad16dfb3c4834c6943c3132b8d96294730 (diff) | |
download | qemu-407664539d76523222a4a4a3ef273645593f75b2.zip qemu-407664539d76523222a4a4a3ef273645593f75b2.tar.gz qemu-407664539d76523222a4a4a3ef273645593f75b2.tar.bz2 |
hw/misc/iotkit-sysinfo.c: Implement SSE-300 PID register values
The version of the SYSINFO Register Block in the SSE-300 has
different CIDR/PIDR register values to the SSE-200; pass in
the sse-version property and use it to select the correct
ID register values.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210219144617.4782-9-peter.maydell@linaro.org
Diffstat (limited to 'hw/misc')
-rw-r--r-- | hw/misc/iotkit-sysinfo.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/hw/misc/iotkit-sysinfo.c b/hw/misc/iotkit-sysinfo.c index 52e7005..4bd3fd4 100644 --- a/hw/misc/iotkit-sysinfo.c +++ b/hw/misc/iotkit-sysinfo.c @@ -26,6 +26,7 @@ #include "hw/registerfields.h" #include "hw/misc/iotkit-sysinfo.h" #include "hw/qdev-properties.h" +#include "hw/arm/armsse-version.h" REG32(SYS_VERSION, 0x0) REG32(SYS_CONFIG, 0x4) @@ -49,6 +50,12 @@ static const int sysinfo_id[] = { 0x0d, 0xf0, 0x05, 0xb1, /* CID0..CID3 */ }; +static const int sysinfo_sse300_id[] = { + 0x04, 0x00, 0x00, 0x00, /* PID4..PID7 */ + 0x58, 0xb8, 0x1b, 0x00, /* PID0..PID3 */ + 0x0d, 0xf0, 0x05, 0xb1, /* CID0..CID3 */ +}; + static uint64_t iotkit_sysinfo_read(void *opaque, hwaddr offset, unsigned size) { @@ -64,7 +71,14 @@ static uint64_t iotkit_sysinfo_read(void *opaque, hwaddr offset, r = s->sys_config; break; case A_PID4 ... A_CID3: - r = sysinfo_id[(offset - A_PID4) / 4]; + switch (s->sse_version) { + case ARMSSE_SSE300: + r = sysinfo_sse300_id[(offset - A_PID4) / 4]; + break; + default: + r = sysinfo_id[(offset - A_PID4) / 4]; + break; + } break; default: qemu_log_mask(LOG_GUEST_ERROR, @@ -99,6 +113,7 @@ static const MemoryRegionOps iotkit_sysinfo_ops = { static Property iotkit_sysinfo_props[] = { DEFINE_PROP_UINT32("SYS_VERSION", IoTKitSysInfo, sys_version, 0), DEFINE_PROP_UINT32("SYS_CONFIG", IoTKitSysInfo, sys_config, 0), + DEFINE_PROP_UINT32("sse-version", IoTKitSysInfo, sse_version, 0), DEFINE_PROP_END_OF_LIST() }; @@ -112,6 +127,16 @@ static void iotkit_sysinfo_init(Object *obj) sysbus_init_mmio(sbd, &s->iomem); } +static void iotkit_sysinfo_realize(DeviceState *dev, Error **errp) +{ + IoTKitSysInfo *s = IOTKIT_SYSINFO(dev); + + if (!armsse_version_valid(s->sse_version)) { + error_setg(errp, "invalid sse-version value %d", s->sse_version); + return; + } +} + static void iotkit_sysinfo_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -120,7 +145,7 @@ static void iotkit_sysinfo_class_init(ObjectClass *klass, void *data) * This device has no guest-modifiable state and so it * does not need a reset function or VMState. */ - + dc->realize = iotkit_sysinfo_realize; device_class_set_props(dc, iotkit_sysinfo_props); } |