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hw/pci-host/astro: Map Astro chip into 64-bit I/O memory region 

Map Astro into high F-region and add alias for 32-bit OS in low region.

Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Helge Deller 2023-10-21 15:41:02 +02:00 committed by Richard Henderson
parent 5dd5c00366
commit fd842b2f4c
1 changed files with 6 additions and 3 deletions
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9
hw/pci-host/astro.c
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@ -19,6 +19,8 @@
#define TYPE_ASTRO_IOMMU_MEMORY_REGION "astro-iommu-memory-region"
#define F_EXTEND(addr) ((addr) | MAKE_64BIT_MASK(32, 32))
#include "qemu/osdep.h"
#include "qemu/module.h"
#include "qemu/units.h"
@ -821,15 +823,16 @@ static void astro_realize(DeviceState *obj, Error **errp)
/* map elroys mmio */
map_size = LMMIO_DIST_BASE_SIZE / ROPES_PER_IOC;
map_addr = (uint32_t) (LMMIO_DIST_BASE_ADDR + rope * map_size);
map_addr = F_EXTEND(LMMIO_DIST_BASE_ADDR + rope * map_size);
memory_region_init_alias(&elroy->pci_mmio_alias, OBJECT(elroy),
"pci-mmio-alias",
&elroy->pci_mmio, map_addr, map_size);
&elroy->pci_mmio, (uint32_t) map_addr, map_size);
memory_region_add_subregion(get_system_memory(), map_addr,
&elroy->pci_mmio_alias);
/* map elroys io */
map_size = IOS_DIST_BASE_SIZE / ROPES_PER_IOC;
map_addr = (uint32_t) (IOS_DIST_BASE_ADDR + rope * map_size);
map_addr = F_EXTEND(IOS_DIST_BASE_ADDR + rope * map_size);
memory_region_add_subregion(get_system_memory(), map_addr,
&elroy->pci_io);