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test: dm: pci: Add cases for finding PCI capability APIs

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Add several PCI capability and extended capability ID registers
in the swap_case driver, so that we can add test case for
dm_pci_find_capability() and dm_pci_find_ext_capability().

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng
2018-08-03 01:14:53 -07:00
committed by Simon Glass
parent dac01fd89d
commit 95e11069b5
3 changed files with 61 additions and 0 deletions
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21
drivers/misc/swap_case.c
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@@ -118,6 +118,27 @@ static int sandbox_swap_case_read_config(struct udevice *emul, uint offset,
*valuep = result;
break;
}
case PCI_CAPABILITY_LIST:
*valuep = PCI_CAP_ID_PM_OFFSET;
break;
case PCI_CAP_ID_PM_OFFSET:
*valuep = (PCI_CAP_ID_EXP_OFFSET << 8) | PCI_CAP_ID_PM;
break;
case PCI_CAP_ID_EXP_OFFSET:
*valuep = (PCI_CAP_ID_MSIX_OFFSET << 8) | PCI_CAP_ID_EXP;
break;
case PCI_CAP_ID_MSIX_OFFSET:
*valuep = PCI_CAP_ID_MSIX;
break;
case PCI_EXT_CAP_ID_ERR_OFFSET:
*valuep = (PCI_EXT_CAP_ID_VC_OFFSET << 20) | PCI_EXT_CAP_ID_ERR;
break;
case PCI_EXT_CAP_ID_VC_OFFSET:
*valuep = (PCI_EXT_CAP_ID_DSN_OFFSET << 20) | PCI_EXT_CAP_ID_VC;
break;
case PCI_EXT_CAP_ID_DSN_OFFSET:
*valuep = PCI_EXT_CAP_ID_DSN;
break;
}
return 0;