diff options
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/gru/mainboard.c | 92 |
1 files changed, 45 insertions, 47 deletions
diff --git a/src/mainboard/google/gru/mainboard.c b/src/mainboard/google/gru/mainboard.c index 4dc677cb53..5926e492cf 100644 --- a/src/mainboard/google/gru/mainboard.c +++ b/src/mainboard/google/gru/mainboard.c @@ -253,53 +253,51 @@ static void setup_usb(void) write32(&rk3399_grf->usbphy0_ctrl[3], RK_CLRSETBITS(0xfff, 0x2e3)); write32(&rk3399_grf->usbphy1_ctrl[3], RK_CLRSETBITS(0xfff, 0x2e3)); - if (IS_ENABLED(CONFIG_BOARD_GOOGLE_KEVIN)) { - /* Set max pre-emphasis level, only on Kevin PHY0 and PHY1. */ - write32(&rk3399_grf->usbphy0_ctrl[12], - RK_CLRSETBITS(0xffff, 0xa7)); - write32(&rk3399_grf->usbphy1_ctrl[12], - RK_CLRSETBITS(0xffff, 0xa7)); - - /* - * Disable the pre-emphasize in eop state and chirp - * state to avoid mis-trigger the disconnect detection - * and also avoid high-speed handshake fail for PHY0 - * and PHY1 consist of otg-port and host-port. - */ - write32(&rk3399_grf->usbphy0_ctrl[0], RK_CLRBITS(0x3)); - write32(&rk3399_grf->usbphy1_ctrl[0], RK_CLRBITS(0x3)); - write32(&rk3399_grf->usbphy0_ctrl[13], RK_CLRBITS(0x3)); - write32(&rk3399_grf->usbphy1_ctrl[13], RK_CLRBITS(0x3)); - - /* - * ODT auto compensation bypass, and set max driver - * strength only for PHY0 and PHY1 otg-port. - */ - write32(&rk3399_grf->usbphy0_ctrl[2], - RK_CLRSETBITS(0x7e << 4, 0x60 << 4)); - write32(&rk3399_grf->usbphy1_ctrl[2], - RK_CLRSETBITS(0x7e << 4, 0x60 << 4)); - - /* - * ODT auto refresh bypass, and set the max bias current - * tuning reference only for PHY0 and PHY1 otg-port. - */ - write32(&rk3399_grf->usbphy0_ctrl[3], - RK_CLRSETBITS(0x21c, 1 << 4)); - write32(&rk3399_grf->usbphy1_ctrl[3], - RK_CLRSETBITS(0x21c, 1 << 4)); - - /* - * ODT auto compensation bypass, and set default driver - * strength only for PHY0 and PHY1 host-port. - */ - write32(&rk3399_grf->usbphy0_ctrl[15], RK_SETBITS(1 << 10)); - write32(&rk3399_grf->usbphy1_ctrl[15], RK_SETBITS(1 << 10)); - - /* ODT auto refresh bypass only for PHY0 and PHY1 host-port. */ - write32(&rk3399_grf->usbphy0_ctrl[16], RK_CLRBITS(1 << 9)); - write32(&rk3399_grf->usbphy1_ctrl[16], RK_CLRBITS(1 << 9)); - } + /* Set max pre-emphasis level on PHY0 and PHY1. */ + write32(&rk3399_grf->usbphy0_ctrl[12], + RK_CLRSETBITS(0xffff, 0xa7)); + write32(&rk3399_grf->usbphy1_ctrl[12], + RK_CLRSETBITS(0xffff, 0xa7)); + + /* + * Disable the pre-emphasize in eop state and chirp + * state to avoid mis-trigger the disconnect detection + * and also avoid high-speed handshake fail for PHY0 + * and PHY1 consist of otg-port and host-port. + */ + write32(&rk3399_grf->usbphy0_ctrl[0], RK_CLRBITS(0x3)); + write32(&rk3399_grf->usbphy1_ctrl[0], RK_CLRBITS(0x3)); + write32(&rk3399_grf->usbphy0_ctrl[13], RK_CLRBITS(0x3)); + write32(&rk3399_grf->usbphy1_ctrl[13], RK_CLRBITS(0x3)); + + /* + * ODT auto compensation bypass, and set max driver + * strength only for PHY0 and PHY1 otg-port. + */ + write32(&rk3399_grf->usbphy0_ctrl[2], + RK_CLRSETBITS(0x7e << 4, 0x60 << 4)); + write32(&rk3399_grf->usbphy1_ctrl[2], + RK_CLRSETBITS(0x7e << 4, 0x60 << 4)); + + /* + * ODT auto refresh bypass, and set the max bias current + * tuning reference only for PHY0 and PHY1 otg-port. + */ + write32(&rk3399_grf->usbphy0_ctrl[3], + RK_CLRSETBITS(0x21c, 1 << 4)); + write32(&rk3399_grf->usbphy1_ctrl[3], + RK_CLRSETBITS(0x21c, 1 << 4)); + + /* + * ODT auto compensation bypass, and set default driver + * strength only for PHY0 and PHY1 host-port. + */ + write32(&rk3399_grf->usbphy0_ctrl[15], RK_SETBITS(1 << 10)); + write32(&rk3399_grf->usbphy1_ctrl[15], RK_SETBITS(1 << 10)); + + /* ODT auto refresh bypass only for PHY0 and PHY1 host-port. */ + write32(&rk3399_grf->usbphy0_ctrl[16], RK_CLRBITS(1 << 9)); + write32(&rk3399_grf->usbphy1_ctrl[16], RK_CLRBITS(1 << 9)); setup_usb_otg0(); setup_usb_otg1(); |