diff options
| author | Shashi Mallela <shashi.mallela@linaro.org> | 2021-09-13 16:07:23 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-09-13 21:01:08 +0100 |
| commit | ac30dec39652c6fe43484448617c4ca6f26b0841 (patch) | |
| tree | d5c5d11524c9d1723d38f8ba8710849da02d9915 /hw/intc/arm_gicv3_dist.c | |
| parent | c694cb4cada0cd6c646f704e868072bbd4f55798 (diff) | |
hw/intc: GICv3 ITS Feature enablement
Added properties to enable ITS feature and define qemu system
address space memory in gicv3 common,setup distributor and
redistributor registers to indicate LPI support.
Signed-off-by: Shashi Mallela <shashi.mallela@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Neil Armstrong <narmstrong@baylibre.com>
Message-id: 20210910143951.92242-6-shashi.mallela@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/intc/arm_gicv3_dist.c')
| -rw-r--r-- | hw/intc/arm_gicv3_dist.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/hw/intc/arm_gicv3_dist.c b/hw/intc/arm_gicv3_dist.c index 5beb7c4235..4164500ea9 100644 --- a/hw/intc/arm_gicv3_dist.c +++ b/hw/intc/arm_gicv3_dist.c @@ -384,7 +384,9 @@ static bool gicd_readl(GICv3State *s, hwaddr offset, * A3V == 1 (non-zero values of Affinity level 3 supported) * IDbits == 0xf (we support 16-bit interrupt identifiers) * DVIS == 0 (Direct virtual LPI injection not supported) - * LPIS == 0 (LPIs not supported) + * LPIS == 1 (LPIs are supported if affinity routing is enabled) + * num_LPIs == 0b00000 (bits [15:11],Number of LPIs as indicated + * by GICD_TYPER.IDbits) * MBIS == 0 (message-based SPIs not supported) * SecurityExtn == 1 if security extns supported * CPUNumber == 0 since for us ARE is always 1 @@ -399,6 +401,7 @@ static bool gicd_readl(GICv3State *s, hwaddr offset, bool sec_extn = !(s->gicd_ctlr & GICD_CTLR_DS); *data = (1 << 25) | (1 << 24) | (sec_extn << 10) | + (s->lpi_enable << GICD_TYPER_LPIS_SHIFT) | (0xf << 19) | itlinesnumber; return true; } |