Add a new variable to dwc3 structure to track VERSIONTYPE. The
VERSIONTYPE is represented in ASCII in the 32-bit VERSIONTYPE register.
In DWC_usb31, sub releases for each version are tracked with VERSIONTYPE
such as "ea01" and "ea02".
Signed-off-by: Thinh Nguyen <thinhn@xxxxxxxxxxxx>
---
drivers/usb/dwc3/core.c | 2 ++
drivers/usb/dwc3/core.h | 5 +++++
2 files changed, 7 insertions(+)
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 56ca39b40a77..ab0912e4f837 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -642,6 +642,7 @@ static bool dwc3_core_is_valid(struct dwc3 *dwc)
{
u32 reg;
+ dwc->ver_type = 0;
reg = dwc3_readl(dwc->regs, DWC3_GSNPSID);
/* This should read as U3 followed by revision number */
@@ -652,6 +653,7 @@ static bool dwc3_core_is_valid(struct dwc3 *dwc)
/* Detected DWC_usb31 IP */
dwc->revision = dwc3_readl(dwc->regs, DWC3_VER_NUMBER);
dwc->revision |= DWC3_REVISION_IS_DWC31;
+ dwc->ver_type = dwc3_readl(dwc->regs, DWC3_VER_TYPE);
} else {
return false;
}
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 21a6dcd379f1..764dc896d07a 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -810,6 +810,7 @@ struct dwc3_scratchpad_array {
* @u1u2: only used on revisions <1.83a for workaround
* @maximum_speed: maximum speed requested (mainly for testing purposes)
* @revision: revision register contents
+ * @ver_type: VERSIONTYPE register contents, a sub release of a revision
* @dr_mode: requested mode of operation
* @current_dr_role: current role of operation when in dual-role mode
* @desired_dr_role: desired role of operation when in dual-role mode
@@ -984,6 +985,10 @@ struct dwc3 {
#define DWC3_USB31_REVISION_110A (0x3131302a | DWC3_REVISION_IS_DWC31)
#define DWC3_USB31_REVISION_120A (0x3132302a | DWC3_REVISION_IS_DWC31)
+ u32 ver_type;
+
+#define DWC3_USB31_VERSIONTYPE_EA01 0x65613031
+
enum dwc3_ep0_next ep0_next_event;
enum dwc3_ep0_state ep0state;
enum dwc3_link_state link_state;
--
2.11.0
--
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