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make sure PCI command register is setup correctly

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22321 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Marcus Overhagen 2007-09-26 18:09:42 +00:00
parent 44e2fd093c
commit 63f9ffef37
2 changed files with 10 additions and 0 deletions
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6
src/add-ons/kernel/busses/scsi/ahci/ahci_controller.cpp
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@ -80,6 +80,12 @@ AHCIController::Init()
TRACE("satacr0 = 0x%08lx, satacr1 = 0x%08lx\n", satacr0, satacr1);
}
uint16 pcicmd = gPCI->read_pci_config(fPCIDevice, PCI_command, 2);
TRACE("pcicmd old 0x%04x\n", pcicmd);
pcicmd = PCI_PCICMD_BME | PCI_PCICMD_MSE | (pcicmd & ~PCI_PCICMD_IOS);
TRACE("pcicmd new 0x%04x\n", pcicmd);
gPCI->write_pci_config(fPCIDevice, PCI_command, 2, pcicmd);
void *addr = (void *)pciInfo.u.h0.base_registers[5];
size_t size = pciInfo.u.h0.base_register_sizes[5];

4
src/add-ons/kernel/busses/scsi/ahci/ahci_defs.h
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@ -219,6 +219,10 @@ extern scsi_for_sim_interface *gSCSI;
#define HI32(val) (((uint64)(val)) >> 32)
#define ASSERT(expr) if (expr) {} else panic(#expr)
#define PCI_PCICMD_IOS 0x01
#define PCI_PCICMD_MSE 0x02
#define PCI_PCICMD_BME 0x04
#ifdef __cplusplus
template <class T>