diff options
| -rw-r--r-- | drivers/marvell/comphy/phy-comphy-cp110.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/marvell/comphy/phy-comphy-cp110.c b/drivers/marvell/comphy/phy-comphy-cp110.c index 1dfc165c..8b446183 100644 --- a/drivers/marvell/comphy/phy-comphy-cp110.c +++ b/drivers/marvell/comphy/phy-comphy-cp110.c @@ -2058,6 +2058,34 @@ int mvebu_cp110_comphy_xfi_rx_training(uint64_t comphy_base, return ret; } +/* During AP the proper mode is auto-negotiated and the mac, pcs and serdes + * configuration are done by the firmware loaded to the MG's CM3 for appropriate + * negotiated mode. Therefore there is no need to configure the mac, pcs and + * serdes from u-boot. The only thing that need to be setup is powering up + * the comphy, which is done through Common PHY<n> Configuration 1 Register + * (CP0: 0xF2441000, CP1: 0xF4441000). This step can't be done by MG's CM3, + * since it doesn't have an access to this register-set (but it has access to + * the network registers like: MG, AP, MAC, PCS, Serdes etc.) + */ +static int mvebu_cp110_comphy_ap_power_on(uint64_t comphy_base, + uint8_t comphy_index) +{ + uint32_t mask, data; + uintptr_t comphy_addr = comphy_addr = COMPHY_ADDR(comphy_base, comphy_index); + + debug_enter(); + debug("stage: RFU configurations - hard reset comphy\n"); + /* RFU configurations - hard reset comphy */ + mask = COMMON_PHY_CFG1_PWR_UP_MASK; + data = 0x1 << COMMON_PHY_CFG1_PWR_UP_OFFSET; + mask |= COMMON_PHY_CFG1_PIPE_SELECT_MASK; + data |= 0x0 << COMMON_PHY_CFG1_PIPE_SELECT_OFFSET; + reg_set(comphy_addr + COMMON_PHY_CFG1_REG, data, mask); + debug_exit(); + + return 0; +} + int mvebu_cp110_comphy_power_on(uint64_t comphy_base, uint64_t comphy_index, uint64_t comphy_mode) { int mode = COMPHY_GET_MODE(comphy_mode); @@ -2087,6 +2115,9 @@ int mvebu_cp110_comphy_power_on(uint64_t comphy_base, uint64_t comphy_index, uin case (COMPHY_USB3D_MODE): err = mvebu_cp110_comphy_usb3_power_on(comphy_base, comphy_index, comphy_mode); break; + case (COMPHY_AP_MODE): + err = mvebu_cp110_comphy_ap_power_on(comphy_base, comphy_index); + break; default: ERROR("comphy%ld: unsupported comphy mode\n", comphy_index); err = -EINVAL; |