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AT697 PCI: abort whhen a peripheral PCI system detected

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This commit is contained in:
Daniel Hellstrom
2013-11-22 10:22:56 +01:00
parent 3c236cc209
commit ddc40020b9
1 changed files with 8 additions and 1 deletions
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9
c/src/lib/libbsp/sparc/leon2/pci/at697_pci.c
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@@ -440,6 +440,13 @@ int at697pci_hw_init(struct at697pci_priv *priv)
return -1; return -1;
} }
/* If not in system slot we are not host and we must abort.
* This is a host only driver.
*/
if ((regs->pciis & 0x1000) != 0) {
return -1;
}
/* Reset PCI Core */ /* Reset PCI Core */
regs->pciic = 0xffffffff; regs->pciic = 0xffffffff;
@@ -578,7 +585,7 @@ int at697pci_init1(struct drvmgr_dev *dev)
if (at697pci_init(priv)) { if (at697pci_init(priv)) {
DBG("Failed to initialize at697pci driver\n"); DBG("Failed to initialize at697pci driver\n");
return DRVMGR_FAIL; return DRVMGR_EIO;
} }
/* Host is always Big-Endian */ /* Host is always Big-Endian */