diff options
| author | Daniel Hellstrom <daniel@gaisler.com> | 2013-11-22 10:22:56 +0100 |
|---|---|---|
| committer | Daniel Hellstrom <daniel@gaisler.com> | 2013-11-22 10:22:56 +0100 |
| commit | fc9df7d5a2fcbabcb386f144921be364300d5ed0 (patch) | |
| tree | 0bbb62b576db821003e60422317a27cdc18da79e | |
| parent | 646a3b8ccec627d7080c1100a3efd00b2d0e87fe (diff) | |
AT697 PCI: abort whhen a peripheral PCI system detected
| -rw-r--r-- | c/src/lib/libbsp/sparc/leon2/pci/at697_pci.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/c/src/lib/libbsp/sparc/leon2/pci/at697_pci.c b/c/src/lib/libbsp/sparc/leon2/pci/at697_pci.c index f89b157e22..b5f04fded2 100644 --- a/c/src/lib/libbsp/sparc/leon2/pci/at697_pci.c +++ b/c/src/lib/libbsp/sparc/leon2/pci/at697_pci.c @@ -442,6 +442,13 @@ int at697pci_hw_init(struct at697pci_priv *priv) 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 */ regs->pciic = 0xffffffff; @@ -580,7 +587,7 @@ int at697pci_init1(struct drvmgr_dev *dev) if (at697pci_init(priv)) { DBG("Failed to initialize at697pci driver\n"); - return DRVMGR_FAIL; + return DRVMGR_EIO; } /* Host is always Big-Endian */ |