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 
13 struct 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 
97 u8 qixis_read(unsigned int reg);
98 void qixis_write(unsigned int reg, u8 value);
99 u16 qixis_read_minor(void);
100 char *qixis_read_time(char *result);
101 char *qixis_read_tag(char *buf);
102 const char *byte_to_binary_mask(u8 val, u8 mask, char *buf);
103 #ifdef CONFIG_SYS_I2C_FPGA_ADDR
104 u8 qixis_read_i2c(unsigned int reg);
105 void qixis_write_i2c(unsigned int reg, u8 value);
106 #endif
107 
108 #if defined(CONFIG_QIXIS_I2C_ACCESS) && defined(CONFIG_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 CONFIG_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) || \
145 defined(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 #endif
170