diff mbox series

[5/5] 40p: add fixed IRQ routing for LSI SCSI device

Message ID 20180919172101.8402-6-mark.cave-ayland@ilande.co.uk (mailing list archive)
State New, archived
Headers show
Series 40p: LSI SCSI IRQ routing patch roll-up | expand

Commit Message

Mark Cave-Ayland Sept. 19, 2018, 5:21 p.m. UTC 
Whilst the PReP specification describes how all PCI IRQs are routed via IRQ
15 on the interrupt controller, the real 40p machine has a routing quirk in
that the LSI SCSI device is routed directly to IRQ 13.

Enable the external IRQ for the LSI SCSI device by wiring up the IRQ with
qdev to the relevant interrupt controller gpio.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Hervé Poussineau <hpoussin@reactos.org>
Tested-by: Hervé Poussineau <hpoussin@reactos.org>
---
 hw/ppc/prep.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/hw/ppc/prep.c b/hw/ppc/prep.c
index 7e2c70b92a..2afb7f437e 100644
--- a/hw/ppc/prep.c
+++ b/hw/ppc/prep.c
@@ -621,7 +621,7 @@  static void ibm_40p_init(MachineState *machine)
     CPUPPCState *env = NULL;
     uint16_t cmos_checksum;
     PowerPCCPU *cpu;
-    DeviceState *dev;
+    DeviceState *dev, *i82378_dev;
     SysBusDevice *pcihost, *s;
     Nvram *m48t59 = NULL;
     PCIBus *pci_bus;
@@ -666,11 +666,11 @@  static void ibm_40p_init(MachineState *machine)
     }
 
     /* PCI -> ISA bridge */
-    dev = DEVICE(pci_create_simple(pci_bus, PCI_DEVFN(11, 0), "i82378"));
-    qdev_connect_gpio_out(dev, 0,
+    i82378_dev = DEVICE(pci_create_simple(pci_bus, PCI_DEVFN(11, 0), "i82378"));
+    qdev_connect_gpio_out(i82378_dev, 0,
                           cpu->env.irq_inputs[PPC6xx_INPUT_INT]);
-    sysbus_connect_irq(pcihost, 0, qdev_get_gpio_in(dev, 15));
-    isa_bus = ISA_BUS(qdev_get_child_bus(dev, "isa.0"));
+    sysbus_connect_irq(pcihost, 0, qdev_get_gpio_in(i82378_dev, 15));
+    isa_bus = ISA_BUS(qdev_get_child_bus(i82378_dev, "isa.0"));
 
     /* Memory controller */
     dev = DEVICE(isa_create(isa_bus, "rs6000-mc"));
@@ -703,6 +703,7 @@  static void ibm_40p_init(MachineState *machine)
         dev = DEVICE(pci_create_simple(pci_bus, PCI_DEVFN(1, 0),
                                        "lsi53c810"));
         lsi53c8xx_handle_legacy_cmdline(dev);
+        qdev_connect_gpio_out(dev, 0, qdev_get_gpio_in(i82378_dev, 13));
 
         /* XXX: s3-trio at PCI_DEVFN(2, 0) */
         pci_vga_init(pci_bus);