diff options
| author | Rex-BC Chen <rex-bc.chen@mediatek.corp-partner.google.com> | 2021-12-21 12:52:40 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-12-26 10:05:22 +0000 |
| commit | f371a78d907666afde4d945a56f9ca1e9c2152c8 (patch) | |
| tree | 9dc7ab56424a3152f972cd0c208b90819e875c30 /src/soc/mediatek/common | |
| parent | d22cdbe73fb06e4fbb56884f83fcf27cca14e7e1 (diff) | |
soc/medaitek/mt8195: adjust USB phy shift value
There is a design issue of bit shift which will drop a bit for
USB3 phy on MT8195. Therefore, we add this patch to set USB phy
registers from value of efuse.
BUG=b:211528577
TEST=build pass
Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Signed-off-by: Tianping Fang <tianping.fang@mediatek.corp-partner.google.com>
Tested-by: Tianping Fang <tianping.fang@mediatek.corp-partner.google.com>
Change-Id: I43cb6c1c795dd181d6eba7f3bc52e4eb1a602081
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60312
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/mediatek/common')
| -rw-r--r-- | src/soc/mediatek/common/include/soc/usb_common.h | 9 | ||||
| -rw-r--r-- | src/soc/mediatek/common/usb.c | 11 |
2 files changed, 17 insertions, 3 deletions
diff --git a/src/soc/mediatek/common/include/soc/usb_common.h b/src/soc/mediatek/common/include/soc/usb_common.h index 6fa050dcdf..d390b70ffa 100644 --- a/src/soc/mediatek/common/include/soc/usb_common.h +++ b/src/soc/mediatek/common/include/soc/usb_common.h @@ -130,9 +130,13 @@ struct sif_u2_phy_com { check_member(sif_u2_phy_com, u2phydtm0, 0x68); struct sif_u3phyd { - u32 reserved0[23]; + u32 reserved0[4]; + u32 phyd_cal0; + u32 phyd_cal1; + u32 reserved1[15]; + u32 phyd_reserved; u32 phyd_cdr1; - u32 reserved1[40]; + u32 reserved2[41]; }; struct sif_u3phya { @@ -155,6 +159,7 @@ struct sif_u3phya_da { * SOCs will not need it. */ void mtk_usb_prepare(void); +void mtk_usb_adjust_phy_shift(void); void setup_usb_host(void); diff --git a/src/soc/mediatek/common/usb.c b/src/soc/mediatek/common/usb.c index 52daaac117..b9fe83529d 100644 --- a/src/soc/mediatek/common/usb.c +++ b/src/soc/mediatek/common/usb.c @@ -140,7 +140,15 @@ static inline void ssusb_soft_reset(void) clrbits32(&ippc_regs->ip_pw_ctr0, CTRL0_IP_SW_RST); } -__weak void mtk_usb_prepare(void) { /* do nothing */ } +__weak void mtk_usb_prepare(void) +{ + /* do nothing */ +} + +__weak void mtk_usb_adjust_phy_shift(void) +{ + /* do nothing */ +} void setup_usb_host(void) { @@ -153,5 +161,6 @@ void setup_usb_host(void) return; } u3phy_power_on(); + mtk_usb_adjust_phy_shift(); u3p_msg("phy power-on done.\n"); } |