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/* SPDX-License-Identifier: GPL-2.0+
* *
* * Copyright 2019 Broadcom Ltd.
* */
#include <common.h>
void phy_adjust_afe(unsigned int phy_id_base, int is_quad)
{
unsigned int phy_id;
unsigned int phy_id_end = is_quad ? (phy_id_base + 4) : (phy_id_base + 1);
for( phy_id = phy_id_base; phy_id < phy_id_end; phy_id++ )
{
//reset phy
bcm_ethsw_phy_write_reg(phy_id, 0x0, 0x9140);
}
udelay(100);
//CORE_BASE1E Force trim overwrite and set I_ext trim to 0000
bcm_ethsw_phy_write_reg(phy_id_base, 0x1e, 0x0010);
for( phy_id = phy_id_base; phy_id < phy_id_end; phy_id++ )
{
//AFE_RXCONFIG_1 Provide more margin for INL/DNL measurement on ATE
bcm_ethsw_phy_write_misc_reg(phy_id, 0x38, 0x1, 0x9b2f);
//AFE_TX_CONFIG Set 1000BT Cfeed=011 to improve rise/fall time
bcm_ethsw_phy_write_misc_reg(phy_id, 0x39, 0x0, 0x0431);
//AFE_VDAC_ICTRL_0 Set Iq=1101 instead of 0111 for improving AB symmetry
bcm_ethsw_phy_write_misc_reg(phy_id, 0x39, 0x1, 0xa7da);
//AFE_HPF_TRIM_OTHERS Set 100Tx/10BT to -4.5% swing & Set rCal offset for HT=0 code
bcm_ethsw_phy_write_misc_reg(phy_id, 0x3a, 0x0, 0x00e3);
//DSP_TAP10 Adjust I_int bias current trim by +0% swing, +0 tick
bcm_ethsw_phy_write_misc_reg(phy_id, 0xa, 0x0, 0x011b);
}
//Reset R_CAL/RC_CAL Engine 'CORE_EXPB0
bcm_ethsw_phy_write_exp_reg(phy_id_base, 0xb0, 0x10);
//Disable Reset R_CAL/RC_CAL Engine 'CORE_EXPB0
bcm_ethsw_phy_write_exp_reg(phy_id_base, 0xb0, 0x0);
return;
}
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