New patch to review for coreboot: d9203ab baytrail: use the setting in devicetree.cb to config USBPHY_COMPBG

[Marc Jones]

Marc Jones ([e-mail]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/8216

-gerrit

commit d9203ab0a80429f550ea7e8e727322c6cd8609a0
Author: Kane Chen 
Date:   Thu Jul 17 09:51:50 2014 -0700

baytrail: use the setting in devicetree.cb to config USBPHY_COMPBG

USBPHY_COMPBG needs to be configured by project

BUG=chrome-os-partner:30690
    BRANCH=none
    TEST=emerge-rambi coreboot without problem
         checked the USBPHY_COMPBG is configured properly

Original-Change-Id: I05eee384d94cf5deeec14418bd78816df0b26a92
    Original-Signed-off-by: Kane Chen 
    Original-Reviewed-on: https://chromium-review.googlesource.com/208557
    Original-Reviewed-by: Shawn Nematbakhsh 
    (cherry picked from commit 20a9c0ab7ab180596821751110f0c0a35d3ff3a1)
    Signed-off-by: Marc Jones

Change-Id: I8bed3fa4e74e4bb4c93fa522d9df631bac2d9795
---
 src/soc/intel/baytrail/chip.h | 1 +
 src/soc/intel/baytrail/ehci.c | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/soc/intel/baytrail/chip.h b/src/soc/intel/baytrail/chip.h
index f19055c..97b92ef 100644
--- a/src/soc/intel/baytrail/chip.h
+++ b/src/soc/intel/baytrail/chip.h
@@ -55,6 +55,7 @@ struct soc_intel_baytrail_config {
    uint32_t usb2_per_port_rcomp_hs_pullup2;
    uint32_t usb2_per_port_lane3;
    uint32_t usb2_per_port_rcomp_hs_pullup3;
+	uint32_t usb2_comp_bg;

/* LPE Audio Clock configuration. */
    int lpe_codec_clk_freq; /* 19 or 25 are valid. */
diff --git a/src/soc/intel/baytrail/ehci.c b/src/soc/intel/baytrail/ehci.c
index 5d1a4d8..bfdb61a 100644
--- a/src/soc/intel/baytrail/ehci.c
+++ b/src/soc/intel/baytrail/ehci.c
@@ -96,7 +96,8 @@ static void usb2_phy_init(device_t dev)
    struct soc_intel_baytrail_config *config = dev->chip_info;
    struct reg_script usb2_phy_script[] = {
    	/* USB3PHYInit() */
-		REG_IOSF_WRITE(IOSF_PORT_USBPHY, USBPHY_COMPBG, 0x4700),
+		REG_IOSF_WRITE(IOSF_PORT_USBPHY, USBPHY_COMPBG,
+			       config->usb2_comp_bg),
    	/* Per port phy settings, set in devicetree.cb */
    	REG_IOSF_WRITE(IOSF_PORT_USBPHY, USBPHY_PER_PORT_LANE0,
    		       config->usb2_per_port_lane0),