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| author |   Mika Westerberg <mika.westerberg@linux.intel.com> | 2022-01-07 13:00:47 +0200 |
|---|---|---|
| committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2022-02-02 13:56:51 +0300 |
| commit | 30a4eca69b76c0ed5a2f34dd2a3e195c9bf6bed1 (patch) | |
| tree | 00596d61cefc48c5f5ad681f822bb0f9a143708b /drivers/thunderbolt/tb_regs.h | |
| parent | thunderbolt: Add missing device ID to tb_switch_is_alpine_ridge() (diff) | |
| download | linux-dev-30a4eca69b76c0ed5a2f34dd2a3e195c9bf6bed1.tar.xz linux-dev-30a4eca69b76c0ed5a2f34dd2a3e195c9bf6bed1.zip | |
thunderbolt: Add internal xHCI connect flows for Thunderbolt 3 devices
Both Alpine Ridge and Titan Ridge require special flows in order to
activate the internal xHCI controller when there is USB device connected
to the downstream type-C port. This implements the missing flows for
both.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'drivers/thunderbolt/tb_regs.h')
| -rw-r--r-- | drivers/thunderbolt/tb_regs.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/thunderbolt/tb_regs.h b/drivers/thunderbolt/tb_regs.h index 9693a6ec5950..70795a2aa9bb 100644 --- a/drivers/thunderbolt/tb_regs.h +++ b/drivers/thunderbolt/tb_regs.h @@ -463,6 +463,8 @@ struct tb_regs_hop { #define TMU_ADP_CS_6_DISABLE_TMU_OBJ_CL2 BIT(3) /* Plug Events registers */ +#define TB_PLUG_EVENTS_USB_DISABLE BIT(2) + #define TB_PLUG_EVENTS_PCIE_WR_DATA 0x1b #define TB_PLUG_EVENTS_PCIE_CMD 0x1c #define TB_PLUG_EVENTS_PCIE_CMD_DW_OFFSET_MASK GENMASK(9, 0) @@ -502,6 +504,9 @@ struct tb_regs_hop { #define TB_LC_POWER 0x740 /* Link controller registers */ +#define TB_LC_CS_42 0x2a +#define TB_LC_CS_42_USB_PLUGGED BIT(31) + #define TB_LC_PORT_ATTR 0x8d #define TB_LC_PORT_ATTR_BE BIT(12) @@ -522,4 +527,7 @@ struct tb_regs_hop { #define TB_LC_LINK_ATTR 0x97 #define TB_LC_LINK_ATTR_CPS BIT(18) +#define TB_LC_LINK_REQ 0xad +#define TB_LC_LINK_REQ_XHCI_CONNECT BIT(31) + #endif |