Add Broadcom / Netgear changes from RAXE 1.0.0.48

[project/bcm63xx/u-boot.git] / drivers / net / bcmbca / bcm_ethsw_phy_63138.c

diff --git a/drivers/net/bcmbca/bcm_ethsw_phy_63138.c b/drivers/net/bcmbca/bcm_ethsw_phy_63138.c
new file mode 100644 (file)
index 0000000..e395ffb
--- /dev/null
+++ b/drivers/net/bcmbca/bcm_ethsw_phy_63138.c
@@ -0,0 +1,43 @@
+/* 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);
+
+               //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 100BT 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);
+       }
+
+       //CORE_BASE1E Force trim overwrite and set I_ext trim to 0000
+       bcm_ethsw_phy_write_reg(phy_id_base, 0x1e, 0x10);
+       for (phy_id = phy_id_base; phy_id < phy_id_end; phy_id++) {
+               //Adjust bias current trim by +4% swing, +2 tick 'DSP_TAP10
+               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;
+}
+