| /* |
| * Copyright (c) 2014,2016-2017 The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| */ |
| |
| #include <common.h> |
| #include <command.h> |
| #include <asm/mipsregs.h> |
| #include <asm/addrspace.h> |
| /*#include <config.h>*/ |
| #include <version.h> |
| #include <atheros.h> |
| |
| int ath_set_tuning_caps(void) |
| { |
| typedef struct { |
| u_int8_t pad[0x28], |
| params_for_tuning_caps[2], |
| featureEnable; |
| } __attribute__((__packed__)) ar9300_eeprom_t; |
| |
| ar9300_eeprom_t *eep; |
| uint32_t val; |
| |
| eep = (ar9300_eeprom_t *)WLANCAL; |
| |
| val = XTAL_TCXODET_SET(0x0) | |
| XTAL_XTAL_CAPINDAC_SET(0x4b) | |
| XTAL_XTAL_CAPOUTDAC_SET(0x4b) | |
| XTAL_XTAL_DRVSTR_SET(0x3) | |
| XTAL_XTAL_SHORTXIN_SET(0x0) | |
| XTAL_XTAL_LOCALBIAS_SET(0x1) | |
| XTAL_XTAL_PWDCLKD_SET(0x0) | |
| XTAL_XTAL_BIAS2X_SET(0x0) | |
| XTAL_XTAL_LBIAS2X_SET(0x0) | |
| XTAL_XTAL_OSCON_SET(0x1) | |
| XTAL_XTAL_PWDCLKIN_SET(0x0) | |
| XTAL_LOCAL_XTAL_SET(0x0) | |
| XTAL_PWD_SWREGCLK_SET(0x0) | |
| XTAL_SPARE_SET(0x0); |
| |
| /* checking feature enable bit 6 and caldata is valid */ |
| if ((eep->featureEnable & 0x40) && (eep->pad[0x0] != 0xff)) { |
| val &= ~(XTAL_XTAL_CAPINDAC_MASK | XTAL_XTAL_CAPOUTDAC_MASK); |
| val |= XTAL_XTAL_CAPINDAC_SET(eep->params_for_tuning_caps[0]) | |
| XTAL_XTAL_CAPOUTDAC_SET(eep->params_for_tuning_caps[0]); |
| } |
| |
| ath_reg_wr(XTAL_ADDRESS, val); |
| ath_reg_wr(XTAL2_ADDRESS, XTAL2_DCA_BYPASS_SET(0x1) | |
| XTAL2_FSM_START_L_SET(0x1)); |
| ath_reg_wr(XTAL3_ADDRESS, XTAL3_EVAL_LENGTH_SET(0x400) | |
| XTAL3_HARMONIC_NUMBER_SET(0x51)); |
| |
| #define __str(x) # x |
| #define str(x) __str(x) |
| |
| printf("Setting " str(XTAL_ADDRESS) " to 0x%x\n", val); |
| return 0; |
| } |
| |
| #ifdef CONFIG_LAST_STAGE_INIT |
| int last_stage_init(void) |
| { |
| ath_set_tuning_caps(); |
| return 0; |
| } |
| #endif |
