]> git.ipfire.org Git - thirdparty/qemu.git/commit
hw/intc/aspeed: Add Support for Multi-Output IRQ Handling
authorJamin Lin <jamin_lin@aspeedtech.com>
Fri, 7 Mar 2025 03:59:25 +0000 (11:59 +0800)
committerCédric Le Goater <clg@redhat.com>
Sun, 9 Mar 2025 13:36:53 +0000 (14:36 +0100)
commit9178ff91f3105d25fef8e595014fbdfba7d9e278
tree16f892ecdddea6119a1ac5358393eb5c702b08c4
parent5824e8bf6beb226aa5dee94d4e92b671e9b082f1
hw/intc/aspeed: Add Support for Multi-Output IRQ Handling

This update introduces support for handling multi-output IRQs in the AST2700
interrupt controller (INTC), specifically for GICINT192_201. GICINT192_201 maps
1:10 to input IRQ 0 and output IRQs 0 to 9. Each status bit corresponds to a
specific IRQ.

Implemented "aspeed_intc_set_irq_handler_multi_outpins" to handle IRQs with
multiple output pins. Introduced "aspeed_intc_status_handler_multi_outpins"
for managing status registers associated with multi-output IRQs.

Added new IRQ definitions for GICINT192_201 in INTC.
Adjusted the IRQ array to accommodate 10 input pins and 19 output pins,
aligning with the new GICINT192_201 mappings.

                   |------------------------------|
                   |            INTC              |
                   |inpin[0:0]--------->outpin[0] |
                   |inpin[0:1]--------->outpin[1] |
                   |inpin[0:2]--------->outpin[2] |
                   |inpin[0:3]--------->outpin[3] |
orgates[0]-------> |inpin[0:4]--------->outpin[4] |
                   |inpin[0:5]--------->outpin[5] |
                   |inpin[0:6]--------->outpin[6] |
                   |inpin[0:7]--------->outpin[7] |
                   |inpin[0:8]--------->outpin[8] |
                   |inpin[0:9]--------->outpin[9] |
                   |                              |
 orgates[1]------> |inpin[1]----------->outpin[10]|
 orgates[2]------> |inpin[2]----------->outpin[11]|
 orgates[3]------> |inpin[3]----------->outpin[12]|
 orgates[4]------> |inpin[4]----------->outpin[13]|
 orgates[5]------> |inpin[5]----------->outpin[14]|
 orgates[6]------> |inpin[6]----------->outpin[15]|
 orgates[7]------> |inpin[7]----------->outpin[16]|
 orgates[8]------> |inpin[8]----------->outpin[17]|
 orgates[9]------> |inpin[9]----------->outpin[18]|
                   |------------------------------|

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250307035945.3698802-17-jamin_lin@aspeedtech.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
hw/intc/aspeed_intc.c
hw/intc/trace-events
include/hw/intc/aspeed_intc.h