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authorPhilippe Mathieu-Daudé <f4bug@amsat.org>2021-03-02 23:42:56 +0100
committerPhilippe Mathieu-Daudé <philmd@linaro.org>2023-01-13 09:32:32 +0100
commit37e506b69a6791bede30677f05081296f3b77f77 (patch)
treede58b757842eda91dc316bd38399de2e55c7ff3c /hw/mips
parent7c032bfbe838c24dcbdc8f9c452553b24f20daad (diff)
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hw/mips/gt64xxx_pci: Let the GT64120 manage the lower 512MiB hole
Per the comment in the Malta board, the [0x0000.0000-0x2000.0000] range is decoded by the GT64120, so move the "empty_slot" there. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20221209151533.69516-3-philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'hw/mips')
-rw-r--r--hw/mips/Kconfig1
-rw-r--r--hw/mips/gt64xxx_pci.c8
-rw-r--r--hw/mips/malta.c7
3 files changed, 9 insertions, 7 deletions
diff --git a/hw/mips/Kconfig b/hw/mips/Kconfig
index d6bbbe7..8f7bce3 100644
--- a/hw/mips/Kconfig
+++ b/hw/mips/Kconfig
@@ -64,4 +64,5 @@ config FW_CFG_MIPS
config GT64120
bool
select PCI
+ select EMPTY_SLOT
select I8259
diff --git a/hw/mips/gt64xxx_pci.c b/hw/mips/gt64xxx_pci.c
index 8123251..7ba052a 100644
--- a/hw/mips/gt64xxx_pci.c
+++ b/hw/mips/gt64xxx_pci.c
@@ -28,6 +28,7 @@
#include "qemu/log.h"
#include "hw/pci/pci_device.h"
#include "hw/pci/pci_host.h"
+#include "hw/misc/empty_slot.h"
#include "migration/vmstate.h"
#include "hw/intc/i8259.h"
#include "hw/irq.h"
@@ -1200,6 +1201,13 @@ static void gt64120_realize(DeviceState *dev, Error **errp)
PCI_DEVFN(18, 0), TYPE_PCI_BUS);
pci_create_simple(phb->bus, PCI_DEVFN(0, 0), "gt64120_pci");
+
+ /*
+ * The whole address space decoded by the GT-64120A doesn't generate
+ * exception when accessing invalid memory. Create an empty slot to
+ * emulate this feature.
+ */
+ empty_slot_init("GT64120", 0, 0x20000000);
}
static void gt64120_pci_realize(PCIDevice *d, Error **errp)
diff --git a/hw/mips/malta.c b/hw/mips/malta.c
index 44d88a2..c8fc420 100644
--- a/hw/mips/malta.c
+++ b/hw/mips/malta.c
@@ -53,7 +53,6 @@
#include "sysemu/runstate.h"
#include "qapi/error.h"
#include "qemu/error-report.h"
-#include "hw/misc/empty_slot.h"
#include "sysemu/kvm.h"
#include "semihosting/semihost.h"
#include "hw/mips/cps.h"
@@ -1399,12 +1398,6 @@ void mips_malta_init(MachineState *machine)
/* Northbridge */
dev = sysbus_create_simple("gt64120", -1, NULL);
pci_bus = PCI_BUS(qdev_get_child_bus(dev, "pci"));
- /*
- * The whole address space decoded by the GT-64120A doesn't generate
- * exception when accessing invalid memory. Create an empty slot to
- * emulate this feature.
- */
- empty_slot_init("GT64120", 0, 0x20000000);
/* Southbridge */
piix4 = pci_create_simple_multifunction(pci_bus, PCI_DEVFN(10, 0), true,