Patrick Georgi (pgeorgi@google.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18461
-gerrit
commit 58b9d30d5ff971efd4be5e7c03036d8eec0b0d4c Author: Caesar Wang wxt@rock-chips.com Date: Fri Feb 10 11:16:13 2017 +0800
google/gru: improve eye diagram for passing the test
The children of Gru should share the benefits. In the real world, Bob can't pass the eye diagram tests.
BUG=chrome-os-partner:62714 BRANCH=firmware-gru-8785.B TEST=build coreboot
Change-Id: I2470bbc81acdaf2458d660dca5dc307cc3038f83 Signed-off-by: Patrick Georgi pgeorgi@chromium.org Original-Commit-Id: d0cb3e718a7571f602a00c08a42019851634e7fd Original-Change-Id: I0ccb48bb52eb770ccc9c8c265b07df46b0308dd3 Original-Signed-off-by: Caesar Wang wxt@rock-chips.com Original-Reviewed-on: https://chromium-review.googlesource.com/440745 Original-Reviewed-by: Douglas Anderson dianders@chromium.org Original-Reviewed-by: Julius Werner jwerner@chromium.org Original-Reviewed-on: https://chromium-review.googlesource.com/441468 --- src/mainboard/google/gru/mainboard.c | 92 ++++++++++++++++++------------------ 1 file changed, 45 insertions(+), 47 deletions(-)
diff --git a/src/mainboard/google/gru/mainboard.c b/src/mainboard/google/gru/mainboard.c index 4dc677c..5926e49 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();