1/* SPDX-License-Identifier: GPL-2.0+ */ 2/* 3 * Copyright 2011 Freescale Semiconductor 4 * Copyright 2020 NXP 5 * Author: Shengzhou Liu <Shengzhou.Liu@freescale.com> 6 * 7 * This file provides support for the QIXIS of some Freescale reference boards. 8 */ 9 10#ifndef __QIXIS_H_ 11#define __QIXIS_H_ 12 13struct qixis { 14 u8 id; /* ID value uniquely identifying each QDS board type */ 15 u8 arch; /* Board version information */ 16 u8 scver; /* QIXIS Version Register */ 17 u8 model; /* Information of software programming model version */ 18 u8 tagdata; 19 u8 ctl_sys; 20 u8 aux; /* Auxiliary Register,0x06 */ 21 u8 clk_spd; 22 u8 stat_dut; 23 u8 stat_sys; 24 u8 stat_alrm; 25 u8 present; 26 u8 present2; /* Presence Status Register 2,0x0c */ 27 u8 rcw_ctl; 28 u8 ctl_led; 29 u8 i2cblk; 30 u8 rcfg_ctl; /* Reconfig Control Register,0x10 */ 31 u8 rcfg_st; 32 u8 dcm_ad; 33 u8 dcm_da; 34 u8 dcmd; 35 u8 dmsg; 36 u8 gdc; 37 u8 gdd; /* DCM Debug Data Register,0x17 */ 38 u8 dmack; 39 u8 res1; 40 u8 sdhc1; 41 u8 sdhc2; 42 u8 stat_pres3; 43 u8 los_stat; 44 u8 usb_ctl; 45 u8 watch; /* Watchdog Register,0x1F */ 46 u8 pwr_ctl[2]; /* Power Control Register,0x20 */ 47 u8 res2[2]; 48 u8 pwr_stat[4]; /* Power Status Register,0x24 */ 49 u8 res3[8]; 50 u8 clk_spd2[2]; /* SYSCLK clock Speed Register,0x30 */ 51 u8 res4[2]; 52 u8 sclk[3]; /* Clock Configuration Registers,0x34 */ 53 u8 res5; 54 u8 dclk[3]; 55 u8 res6; 56 u8 clk_dspd[3]; 57 u8 res7; 58 u8 rst_ctl; /* Reset Control Register,0x40 */ 59 u8 rst_stat; /* Reset Status Register */ 60 u8 rst_rsn; /* Reset Reason Register */ 61 u8 rst_frc[2]; /* Reset Force Registers,0x43 */ 62 u8 res8[11]; 63 u8 brdcfg[16]; /* Board Configuration Register,0x50 */ 64 u8 dutcfg[16]; 65 u8 rcw_ad[2]; /* RCW SRAM Address Registers,0x70 */ 66 u8 rcw_data; 67 u8 res9[5]; 68 u8 post_ctl; 69 u8 post_stat; 70 u8 post_dat[2]; 71 u8 pi_d[4]; 72 u8 gpio_io[4]; 73 u8 gpio_dir[4]; 74 u8 res10[20]; 75 u8 rjtag_ctl; 76 u8 rjtag_dat; 77 u8 res11[2]; 78 u8 trig_src[4]; 79 u8 trig_dst[4]; 80 u8 trig_stat; 81 u8 res12[3]; 82 u8 trig_ctr[4]; 83 u8 res13[16]; 84 u8 clk_freq[6]; /* Clock Measurement Registers */ 85 u8 res_c6[8]; 86 u8 clk_base[2]; /* Clock Frequency Base Reg */ 87 u8 res_d0[8]; 88 u8 cms[2]; /* Core Management Space Address Register, 0xD8 */ 89 u8 res_c0[6]; 90 u8 aux2[4]; /* Auxiliary Registers,0xE0 */ 91 u8 res14[10]; 92 u8 aux_ad; 93 u8 aux_da; 94 u8 res15[16]; 95}; 96 97u8 qixis_read(unsigned int reg); 98void qixis_write(unsigned int reg, u8 value); 99u16 qixis_read_minor(void); 100char *qixis_read_time(char *result); 101char *qixis_read_tag(char *buf); 102const char *byte_to_binary_mask(u8 val, u8 mask, char *buf); 103#ifdef CFG_SYS_I2C_FPGA_ADDR 104u8 qixis_read_i2c(unsigned int reg); 105void qixis_write_i2c(unsigned int reg, u8 value); 106#endif 107 108#if defined(CONFIG_QIXIS_I2C_ACCESS) && defined(CFG_SYS_I2C_FPGA_ADDR) 109#define QIXIS_READ(reg) qixis_read_i2c(offsetof(struct qixis, reg)) 110#define QIXIS_WRITE(reg, value) \ 111 qixis_write_i2c(offsetof(struct qixis, reg), value) 112#else 113#define QIXIS_READ(reg) qixis_read(offsetof(struct qixis, reg)) 114#define QIXIS_WRITE(reg, value) qixis_write(offsetof(struct qixis, reg), value) 115#endif 116 117#ifdef CFG_SYS_I2C_FPGA_ADDR 118#define QIXIS_READ_I2C(reg) qixis_read_i2c(offsetof(struct qixis, reg)) 119#define QIXIS_WRITE_I2C(reg, value) \ 120 qixis_write_i2c(offsetof(struct qixis, reg), value) 121#endif 122 123/* Use for SDHC adapter card type identification and operation */ 124#define QIXIS_SDID_MASK 0x07 125 126#define QIXIS_ESDHC_ADAPTER_TYPE_EMMC45 0x1 /* eMMC Card Rev4.5 */ 127#define QIXIS_ESDHC_ADAPTER_TYPE_SDMMC_LEGACY 0x2 /* SD/MMC Legacy Card */ 128#define QIXIS_ESDHC_ADAPTER_TYPE_EMMC44 0x3 /* eMMC Card Rev4.4 */ 129#define QIXIS_ESDHC_ADAPTER_TYPE_RSV 0x4 /* Reserved */ 130#define QIXIS_ESDHC_ADAPTER_TYPE_MMC 0x5 /* MMC Card */ 131#define QIXIS_ESDHC_ADAPTER_TYPE_SD 0x6 /* SD Card Rev2.0 3.0 */ 132#define QIXIS_ESDHC_NO_ADAPTER 0x7 /* No Card is Present*/ 133 134#define QIXIS_SDHC1_S1V3 0x80 /* SDHC1: SDHC1 3.3V power control */ 135#define QIXIS_SDHC1_VS 0x30 /* BRDCFG11: route to SDHC1_VS */ 136 137#define QIXIS_SDCLKIN 0x08 138#define QIXIS_SDCLKOUT 0x02 139#define QIXIS_DAT5_6_7 0X02 140#define QIXIS_DAT4 0X01 141 142#define QIXIS_EVDD_BY_SDHC_VS 0x0c 143 144#if defined(CONFIG_TARGET_LX2160AQDS) || defined(CONFIG_TARGET_LX2162AQDS) || \ 145defined(CONFIG_TARGET_LX2160ARDB) 146#define QIXIS_XMAP_MASK 0x07 147#define QIXIS_RST_CTL_RESET_EN 0x30 148#define QIXIS_LBMAP_DFLTBANK 0x00 149#define QIXIS_LBMAP_ALTBANK 0x20 150#define QIXIS_LBMAP_QSPI 0x00 151#define QIXIS_RCW_SRC_QSPI 0xff 152#define QIXIS_RST_CTL_RESET 0x31 153#define QIXIS_RCFG_CTL_RECONFIG_IDLE 0x20 154#define QIXIS_RCFG_CTL_RECONFIG_START 0x21 155#define QIXIS_RCFG_CTL_WATCHDOG_ENBLE 0x08 156#define QIXIS_LBMAP_MASK 0x0f 157#define QIXIS_LBMAP_SD 158#define QIXIS_LBMAP_EMMC 159#define QIXIS_RCW_SRC_SD 0x08 160#define QIXIS_RCW_SRC_EMMC 0x09 161#define NON_EXTENDED_DUTCFG 162#endif 163 164#if defined(CONFIG_TARGET_LX2160AQDS) || defined(CONFIG_TARGET_LX2162AQDS) 165#define QIXIS_SDID_MASK 0x07 166#define QIXIS_ESDHC_NO_ADAPTER 0x7 167#endif 168 169/* 170 * implementation of CONFIG_ESDHC_DETECT_QUIRK Macro. 171 */ 172static inline u8 qixis_esdhc_detect_quirk(void) 173{ 174 /* 175 * SDHC1 Card ID: 176 * Specifies the type of card installed in the SDHC1 adapter slot. 177 * 000= (reserved) 178 * 001= eMMC V4.5 adapter is installed. 179 * 010= SD/MMC 3.3V adapter is installed. 180 * 011= eMMC V4.4 adapter is installed. 181 * 100= eMMC V5.0 adapter is installed. 182 * 101= MMC card/Legacy (3.3V) adapter is installed. 183 * 110= SDCard V2/V3 adapter installed. 184 * 111= no adapter is installed. 185 */ 186 return ((QIXIS_READ(sdhc1) & QIXIS_SDID_MASK) != 187 QIXIS_ESDHC_NO_ADAPTER); 188} 189 190#endif 191