Commit 5cfd6c00 authored by Peter Griffin's avatar Peter Griffin Committed by Marek Vasut
Browse files

usb: dwc2: Add support for v3 snpsid value



This has been tested to the extent that I can enumerate
a asix usb networking adapter and boot a kernel over usb
on the 96boards hikey u-boot port I'm currently doing.
Signed-off-by: default avatarPeter Griffin <peter.griffin@linaro.org>
parent 6a132416
......@@ -932,7 +932,8 @@ int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
snpsid = readl(&regs->gsnpsid);
printf("Core Release: %x.%03x\n", snpsid >> 12 & 0xf, snpsid & 0xfff);
if ((snpsid & DWC2_SNPSID_DEVID_MASK) != DWC2_SNPSID_DEVID_VER_2xx) {
if ((snpsid & DWC2_SNPSID_DEVID_MASK) != DWC2_SNPSID_DEVID_VER_2xx &&
(snpsid & DWC2_SNPSID_DEVID_MASK) != DWC2_SNPSID_DEVID_VER_3xx) {
printf("SNPSID invalid (not DWC2 OTG device): %08x\n", snpsid);
return -ENODEV;
}
......
......@@ -732,6 +732,7 @@ struct dwc2_core_regs {
#define DWC2_PCGCCTL_DEEP_SLEEP (1 << 7)
#define DWC2_PCGCCTL_DEEP_SLEEP_OFFSET 7
#define DWC2_SNPSID_DEVID_VER_2xx (0x4f542 << 12)
#define DWC2_SNPSID_DEVID_VER_3xx (0x4f543 << 12)
#define DWC2_SNPSID_DEVID_MASK (0xfffff << 12)
#define DWC2_SNPSID_DEVID_OFFSET 12
......
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