diff options
author | Len Brown <len.brown@intel.com> | 2011-03-23 02:34:54 -0400 |
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committer | Len Brown <len.brown@intel.com> | 2011-03-23 02:34:54 -0400 |
commit | 02e2407858fd62053bf60349c0e72cd1c7a4a60e (patch) | |
tree | 0ebdbddc97d3abbc675916010e7771065b70c137 /Documentation/ABI/testing/configfs-spear-pcie-gadget | |
parent | 96e1c408ea8a556c5b51e0e7d56bd2afbfbf5fe9 (diff) | |
parent | 6447f55da90b77faec1697d499ed7986bb4f6de6 (diff) |
Merge branch 'linus' into release
Conflicts:
arch/x86/kernel/acpi/sleep.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'Documentation/ABI/testing/configfs-spear-pcie-gadget')
-rw-r--r-- | Documentation/ABI/testing/configfs-spear-pcie-gadget | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/configfs-spear-pcie-gadget b/Documentation/ABI/testing/configfs-spear-pcie-gadget new file mode 100644 index 000000000000..875988146a63 --- /dev/null +++ b/Documentation/ABI/testing/configfs-spear-pcie-gadget @@ -0,0 +1,31 @@ +What: /config/pcie-gadget +Date: Feb 2011 +KernelVersion: 2.6.37 +Contact: Pratyush Anand <pratyush.anand@st.com> +Description: + + Interface is used to configure selected dual mode PCIe controller + as device and then program its various registers to configure it + as a particular device type. + This interfaces can be used to show spear's PCIe device capability. + + Nodes are only visible when configfs is mounted. To mount configfs + in /config directory use: + # mount -t configfs none /config/ + + For nth PCIe Device Controller + /config/pcie-gadget.n/ + link ... used to enable ltssm and read its status. + int_type ...used to configure and read type of supported + interrupt + no_of_msi ... used to configure number of MSI vector needed and + to read no of MSI granted. + inta ... write 1 to assert INTA and 0 to de-assert. + send_msi ... write MSI vector to be sent. + vendor_id ... used to write and read vendor id (hex) + device_id ... used to write and read device id (hex) + bar0_size ... used to write and read bar0_size + bar0_address ... used to write and read bar0 mapped area in hex. + bar0_rw_offset ... used to write and read offset of bar0 where + bar0_data will be written or read. + bar0_data ... used to write and read data at bar0_rw_offset. |