diff options
| author | shkim <sh_.kim@samsung.com> | 2015-09-22 17:53:58 +0900 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2016-01-28 20:46:23 +0100 |
| commit | cc728f02846a1752215503dc7897caf6fc5a1fc1 (patch) | |
| tree | 807c58c07a79e8e0d98777dc72e27f78efac92f1 /src/soc/intel/braswell/chip.h | |
| parent | e8cc52fab012798dd9f5ad12cd6a8d238ea360c7 (diff) | |
soc/braswell: Add interface to program USB2_COMPBG register
Add interface to program USB2_COMPBG register to set
HS_DISC_BG and HS_SQ reference voltage for each project.
TEST=Get build success and do EFT test
Original-Reviewed-on: https://chromium-review.googlesource.com/300846
Original-Reviewed-by: Shawn N <shawnn@chromium.org>
Original-Tested-by: shkim <sh_.kim@samsung.com>
Change-Id: If2201829e1a16b4f9916547f08c24e9291358325
Signed-off-by: Kenji Chen <kenji.chen@intel.com>
Signed-off-by: shkim <sh_.kim@samsung.com>
Signed-off-by: Hannah Williams <hannah.williams@intel.com>
Reviewed-on: https://review.coreboot.org/12739
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
Diffstat (limited to 'src/soc/intel/braswell/chip.h')
| -rw-r--r-- | src/soc/intel/braswell/chip.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/soc/intel/braswell/chip.h b/src/soc/intel/braswell/chip.h index e302d6cdf5..864f214008 100644 --- a/src/soc/intel/braswell/chip.h +++ b/src/soc/intel/braswell/chip.h @@ -38,6 +38,18 @@ enum lpe_clk_src { LPE_CLK_SRC_PLL, }; +enum usb_comp_bg_value { + USB_COMP_BG_575_MV = 7, + USB_COMP_BG_650_MV = 6, + USB_COMP_BG_550_MV = 5, + USB_COMP_BG_537_MV = 4, + USB_COMP_BG_625_MV = 3, + USB_COMP_BG_700_MV = 2, + USB_COMP_BG_600_MV = 1, + USB_COMP_BG_675_MV = 0, +}; + + struct soc_intel_braswell_config { uint8_t enable_xdp_tap; uint8_t clkreq_enable; @@ -61,6 +73,14 @@ struct soc_intel_braswell_config { /* Allow PCIe devices to wake system from suspend. */ int pcie_wake_enable; + /* Program USB2_COMPBG register. + * [10:7] - select vref to AFE port + * x111 - 575mV, x110 - 650mV, x101 - 550mV, x100 - 537.5mV, + * x011 - 625mV, x010 - 700mV, x001 - 600mV, x000 - 675mV + */ + enum usb_comp_bg_value usb_comp_bg; + + /* * The following fields come from fsp_vpd.h .aka. VpdHeader.h. * These are configuration values that are passed to FSP during |