1  // SPDX-License-Identifier: ISC
2  /*
3   * Copyright (c) 2010 Broadcom Corporation
4   */
5  
6  #ifndef	_SBCHIPC_H
7  #define	_SBCHIPC_H
8  
9  #include "defs.h"		/* for PAD macro */
10  
11  #define CHIPCREGOFFS(field)	offsetof(struct chipcregs, field)
12  
13  struct chipcregs {
14  	u32 chipid;		/* 0x0 */
15  	u32 capabilities;
16  	u32 corecontrol;	/* corerev >= 1 */
17  	u32 bist;
18  
19  	/* OTP */
20  	u32 otpstatus;	/* 0x10, corerev >= 10 */
21  	u32 otpcontrol;
22  	u32 otpprog;
23  	u32 otplayout;	/* corerev >= 23 */
24  
25  	/* Interrupt control */
26  	u32 intstatus;	/* 0x20 */
27  	u32 intmask;
28  
29  	/* Chip specific regs */
30  	u32 chipcontrol;	/* 0x28, rev >= 11 */
31  	u32 chipstatus;	/* 0x2c, rev >= 11 */
32  
33  	/* Jtag Master */
34  	u32 jtagcmd;		/* 0x30, rev >= 10 */
35  	u32 jtagir;
36  	u32 jtagdr;
37  	u32 jtagctrl;
38  
39  	/* serial flash interface registers */
40  	u32 flashcontrol;	/* 0x40 */
41  	u32 flashaddress;
42  	u32 flashdata;
43  	u32 PAD[1];
44  
45  	/* Silicon backplane configuration broadcast control */
46  	u32 broadcastaddress;	/* 0x50 */
47  	u32 broadcastdata;
48  
49  	/* gpio - cleared only by power-on-reset */
50  	u32 gpiopullup;	/* 0x58, corerev >= 20 */
51  	u32 gpiopulldown;	/* 0x5c, corerev >= 20 */
52  	u32 gpioin;		/* 0x60 */
53  	u32 gpioout;		/* 0x64 */
54  	u32 gpioouten;	/* 0x68 */
55  	u32 gpiocontrol;	/* 0x6C */
56  	u32 gpiointpolarity;	/* 0x70 */
57  	u32 gpiointmask;	/* 0x74 */
58  
59  	/* GPIO events corerev >= 11 */
60  	u32 gpioevent;
61  	u32 gpioeventintmask;
62  
63  	/* Watchdog timer */
64  	u32 watchdog;	/* 0x80 */
65  
66  	/* GPIO events corerev >= 11 */
67  	u32 gpioeventintpolarity;
68  
69  	/* GPIO based LED powersave registers corerev >= 16 */
70  	u32 gpiotimerval;	/* 0x88 */
71  	u32 gpiotimeroutmask;
72  
73  	/* clock control */
74  	u32 clockcontrol_n;	/* 0x90 */
75  	u32 clockcontrol_sb;	/* aka m0 */
76  	u32 clockcontrol_pci;	/* aka m1 */
77  	u32 clockcontrol_m2;	/* mii/uart/mipsref */
78  	u32 clockcontrol_m3;	/* cpu */
79  	u32 clkdiv;		/* corerev >= 3 */
80  	u32 gpiodebugsel;	/* corerev >= 28 */
81  	u32 capabilities_ext;	/* 0xac  */
82  
83  	/* pll delay registers (corerev >= 4) */
84  	u32 pll_on_delay;	/* 0xb0 */
85  	u32 fref_sel_delay;
86  	u32 slow_clk_ctl;	/* 5 < corerev < 10 */
87  	u32 PAD;
88  
89  	/* Instaclock registers (corerev >= 10) */
90  	u32 system_clk_ctl;	/* 0xc0 */
91  	u32 clkstatestretch;
92  	u32 PAD[2];
93  
94  	/* Indirect backplane access (corerev >= 22) */
95  	u32 bp_addrlow;	/* 0xd0 */
96  	u32 bp_addrhigh;
97  	u32 bp_data;
98  	u32 PAD;
99  	u32 bp_indaccess;
100  	u32 PAD[3];
101  
102  	/* More clock dividers (corerev >= 32) */
103  	u32 clkdiv2;
104  	u32 PAD[2];
105  
106  	/* In AI chips, pointer to erom */
107  	u32 eromptr;		/* 0xfc */
108  
109  	/* ExtBus control registers (corerev >= 3) */
110  	u32 pcmcia_config;	/* 0x100 */
111  	u32 pcmcia_memwait;
112  	u32 pcmcia_attrwait;
113  	u32 pcmcia_iowait;
114  	u32 ide_config;
115  	u32 ide_memwait;
116  	u32 ide_attrwait;
117  	u32 ide_iowait;
118  	u32 prog_config;
119  	u32 prog_waitcount;
120  	u32 flash_config;
121  	u32 flash_waitcount;
122  	u32 SECI_config;	/* 0x130 SECI configuration */
123  	u32 PAD[3];
124  
125  	/* Enhanced Coexistence Interface (ECI) registers (corerev >= 21) */
126  	u32 eci_output;	/* 0x140 */
127  	u32 eci_control;
128  	u32 eci_inputlo;
129  	u32 eci_inputmi;
130  	u32 eci_inputhi;
131  	u32 eci_inputintpolaritylo;
132  	u32 eci_inputintpolaritymi;
133  	u32 eci_inputintpolarityhi;
134  	u32 eci_intmasklo;
135  	u32 eci_intmaskmi;
136  	u32 eci_intmaskhi;
137  	u32 eci_eventlo;
138  	u32 eci_eventmi;
139  	u32 eci_eventhi;
140  	u32 eci_eventmasklo;
141  	u32 eci_eventmaskmi;
142  	u32 eci_eventmaskhi;
143  	u32 PAD[3];
144  
145  	/* SROM interface (corerev >= 32) */
146  	u32 sromcontrol;	/* 0x190 */
147  	u32 sromaddress;
148  	u32 sromdata;
149  	u32 PAD[17];
150  
151  	/* Clock control and hardware workarounds (corerev >= 20) */
152  	u32 clk_ctl_st;	/* 0x1e0 */
153  	u32 hw_war;
154  	u32 PAD[70];
155  
156  	/* UARTs */
157  	u8 uart0data;	/* 0x300 */
158  	u8 uart0imr;
159  	u8 uart0fcr;
160  	u8 uart0lcr;
161  	u8 uart0mcr;
162  	u8 uart0lsr;
163  	u8 uart0msr;
164  	u8 uart0scratch;
165  	u8 PAD[248];		/* corerev >= 1 */
166  
167  	u8 uart1data;	/* 0x400 */
168  	u8 uart1imr;
169  	u8 uart1fcr;
170  	u8 uart1lcr;
171  	u8 uart1mcr;
172  	u8 uart1lsr;
173  	u8 uart1msr;
174  	u8 uart1scratch;
175  	u32 PAD[62];
176  
177  	/* save/restore, corerev >= 48 */
178  	u32 sr_capability;          /* 0x500 */
179  	u32 sr_control0;            /* 0x504 */
180  	u32 sr_control1;            /* 0x508 */
181  	u32 gpio_control;           /* 0x50C */
182  	u32 PAD[60];
183  
184  	/* PMU registers (corerev >= 20) */
185  	u32 pmucontrol;	/* 0x600 */
186  	u32 pmucapabilities;
187  	u32 pmustatus;
188  	u32 res_state;
189  	u32 res_pending;
190  	u32 pmutimer;
191  	u32 min_res_mask;
192  	u32 max_res_mask;
193  	u32 res_table_sel;
194  	u32 res_dep_mask;
195  	u32 res_updn_timer;
196  	u32 res_timer;
197  	u32 clkstretch;
198  	u32 pmuwatchdog;
199  	u32 gpiosel;		/* 0x638, rev >= 1 */
200  	u32 gpioenable;	/* 0x63c, rev >= 1 */
201  	u32 res_req_timer_sel;
202  	u32 res_req_timer;
203  	u32 res_req_mask;
204  	u32 pmucapabilities_ext; /* 0x64c, pmurev >=15 */
205  	u32 chipcontrol_addr;	/* 0x650 */
206  	u32 chipcontrol_data;	/* 0x654 */
207  	u32 regcontrol_addr;
208  	u32 regcontrol_data;
209  	u32 pllcontrol_addr;
210  	u32 pllcontrol_data;
211  	u32 pmustrapopt;	/* 0x668, corerev >= 28 */
212  	u32 pmu_xtalfreq;	/* 0x66C, pmurev >= 10 */
213  	u32 retention_ctl;          /* 0x670, pmurev >= 15 */
214  	u32 PAD[3];
215  	u32 retention_grpidx;       /* 0x680 */
216  	u32 retention_grpctl;       /* 0x684 */
217  	u32 PAD[94];
218  	u16 sromotp[768];
219  };
220  
221  /* chipid */
222  #define	CID_ID_MASK		0x0000ffff	/* Chip Id mask */
223  #define	CID_REV_MASK		0x000f0000	/* Chip Revision mask */
224  #define	CID_REV_SHIFT		16	/* Chip Revision shift */
225  #define	CID_PKG_MASK		0x00f00000	/* Package Option mask */
226  #define	CID_PKG_SHIFT		20	/* Package Option shift */
227  #define	CID_CC_MASK		0x0f000000	/* CoreCount (corerev >= 4) */
228  #define CID_CC_SHIFT		24
229  #define	CID_TYPE_MASK		0xf0000000	/* Chip Type */
230  #define CID_TYPE_SHIFT		28
231  
232  /* capabilities */
233  #define	CC_CAP_UARTS_MASK	0x00000003	/* Number of UARTs */
234  #define CC_CAP_MIPSEB		0x00000004	/* MIPS is in big-endian mode */
235  #define CC_CAP_UCLKSEL		0x00000018	/* UARTs clock select */
236  /* UARTs are driven by internal divided clock */
237  #define CC_CAP_UINTCLK		0x00000008
238  #define CC_CAP_UARTGPIO		0x00000020	/* UARTs own GPIOs 15:12 */
239  #define CC_CAP_EXTBUS_MASK	0x000000c0	/* External bus mask */
240  #define CC_CAP_EXTBUS_NONE	0x00000000	/* No ExtBus present */
241  #define CC_CAP_EXTBUS_FULL	0x00000040	/* ExtBus: PCMCIA, IDE & Prog */
242  #define CC_CAP_EXTBUS_PROG	0x00000080	/* ExtBus: ProgIf only */
243  #define	CC_CAP_FLASH_MASK	0x00000700	/* Type of flash */
244  #define	CC_CAP_PLL_MASK		0x00038000	/* Type of PLL */
245  #define CC_CAP_PWR_CTL		0x00040000	/* Power control */
246  #define CC_CAP_OTPSIZE		0x00380000	/* OTP Size (0 = none) */
247  #define CC_CAP_OTPSIZE_SHIFT	19	/* OTP Size shift */
248  #define CC_CAP_OTPSIZE_BASE	5	/* OTP Size base */
249  #define CC_CAP_JTAGP		0x00400000	/* JTAG Master Present */
250  #define CC_CAP_ROM		0x00800000	/* Internal boot rom active */
251  #define CC_CAP_BKPLN64		0x08000000	/* 64-bit backplane */
252  #define	CC_CAP_PMU		0x10000000	/* PMU Present, rev >= 20 */
253  #define	CC_CAP_SROM		0x40000000	/* Srom Present, rev >= 32 */
254  /* Nand flash present, rev >= 35 */
255  #define	CC_CAP_NFLASH		0x80000000
256  
257  #define	CC_CAP2_SECI		0x00000001	/* SECI Present, rev >= 36 */
258  /* GSIO (spi/i2c) present, rev >= 37 */
259  #define	CC_CAP2_GSIO		0x00000002
260  
261  /* sr_control0, rev >= 48 */
262  #define CC_SR_CTL0_ENABLE_MASK			BIT(0)
263  #define CC_SR_CTL0_ENABLE_SHIFT		0
264  #define CC_SR_CTL0_EN_SR_ENG_CLK_SHIFT	1 /* sr_clk to sr_memory enable */
265  #define CC_SR_CTL0_RSRC_TRIGGER_SHIFT	2 /* Rising edge resource trigger 0 to
266  					   * sr_engine
267  					   */
268  #define CC_SR_CTL0_MIN_DIV_SHIFT	6 /* Min division value for fast clk
269  					   * in sr_engine
270  					   */
271  #define CC_SR_CTL0_EN_SBC_STBY_SHIFT		16
272  #define CC_SR_CTL0_EN_SR_ALP_CLK_MASK_SHIFT	18
273  #define CC_SR_CTL0_EN_SR_HT_CLK_SHIFT		19
274  #define CC_SR_CTL0_ALLOW_PIC_SHIFT	20 /* Allow pic to separate power
275  					    * domains
276  					    */
277  #define CC_SR_CTL0_MAX_SR_LQ_CLK_CNT_SHIFT	25
278  #define CC_SR_CTL0_EN_MEM_DISABLE_FOR_SLEEP	30
279  
280  /* pmucapabilities */
281  #define PCAP_REV_MASK	0x000000ff
282  #define PCAP_RC_MASK	0x00001f00
283  #define PCAP_RC_SHIFT	8
284  #define PCAP_TC_MASK	0x0001e000
285  #define PCAP_TC_SHIFT	13
286  #define PCAP_PC_MASK	0x001e0000
287  #define PCAP_PC_SHIFT	17
288  #define PCAP_VC_MASK	0x01e00000
289  #define PCAP_VC_SHIFT	21
290  #define PCAP_CC_MASK	0x1e000000
291  #define PCAP_CC_SHIFT	25
292  #define PCAP5_PC_MASK	0x003e0000	/* PMU corerev >= 5 */
293  #define PCAP5_PC_SHIFT	17
294  #define PCAP5_VC_MASK	0x07c00000
295  #define PCAP5_VC_SHIFT	22
296  #define PCAP5_CC_MASK	0xf8000000
297  #define PCAP5_CC_SHIFT	27
298  /* pmucapabilites_ext PMU rev >= 15 */
299  #define PCAPEXT_SR_SUPPORTED_MASK	(1 << 1)
300  /* retention_ctl PMU rev >= 15 */
301  #define PMU_RCTL_MACPHY_DISABLE_MASK        (1 << 26)
302  #define PMU_RCTL_LOGIC_DISABLE_MASK         (1 << 27)
303  
304  
305  /*
306  * Maximum delay for the PMU state transition in us.
307  * This is an upper bound intended for spinwaits etc.
308  */
309  #define PMU_MAX_TRANSITION_DLY	15000
310  
311  #endif				/* _SBCHIPC_H */
312