1/*
2 * Copyright (c) 2010 Broadcom Corporation
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17#ifndef	_SBCHIPC_H
18#define	_SBCHIPC_H
19
20#include "defs.h"		/* for PAD macro */
21
22#define CHIPCREGOFFS(field)	offsetof(struct chipcregs, field)
23
24struct chipcregs {
25	u32 chipid;		/* 0x0 */
26	u32 capabilities;
27	u32 corecontrol;	/* corerev >= 1 */
28	u32 bist;
29
30	/* OTP */
31	u32 otpstatus;	/* 0x10, corerev >= 10 */
32	u32 otpcontrol;
33	u32 otpprog;
34	u32 otplayout;	/* corerev >= 23 */
35
36	/* Interrupt control */
37	u32 intstatus;	/* 0x20 */
38	u32 intmask;
39
40	/* Chip specific regs */
41	u32 chipcontrol;	/* 0x28, rev >= 11 */
42	u32 chipstatus;	/* 0x2c, rev >= 11 */
43
44	/* Jtag Master */
45	u32 jtagcmd;		/* 0x30, rev >= 10 */
46	u32 jtagir;
47	u32 jtagdr;
48	u32 jtagctrl;
49
50	/* serial flash interface registers */
51	u32 flashcontrol;	/* 0x40 */
52	u32 flashaddress;
53	u32 flashdata;
54	u32 PAD[1];
55
56	/* Silicon backplane configuration broadcast control */
57	u32 broadcastaddress;	/* 0x50 */
58	u32 broadcastdata;
59
60	/* gpio - cleared only by power-on-reset */
61	u32 gpiopullup;	/* 0x58, corerev >= 20 */
62	u32 gpiopulldown;	/* 0x5c, corerev >= 20 */
63	u32 gpioin;		/* 0x60 */
64	u32 gpioout;		/* 0x64 */
65	u32 gpioouten;	/* 0x68 */
66	u32 gpiocontrol;	/* 0x6C */
67	u32 gpiointpolarity;	/* 0x70 */
68	u32 gpiointmask;	/* 0x74 */
69
70	/* GPIO events corerev >= 11 */
71	u32 gpioevent;
72	u32 gpioeventintmask;
73
74	/* Watchdog timer */
75	u32 watchdog;	/* 0x80 */
76
77	/* GPIO events corerev >= 11 */
78	u32 gpioeventintpolarity;
79
80	/* GPIO based LED powersave registers corerev >= 16 */
81	u32 gpiotimerval;	/* 0x88 */
82	u32 gpiotimeroutmask;
83
84	/* clock control */
85	u32 clockcontrol_n;	/* 0x90 */
86	u32 clockcontrol_sb;	/* aka m0 */
87	u32 clockcontrol_pci;	/* aka m1 */
88	u32 clockcontrol_m2;	/* mii/uart/mipsref */
89	u32 clockcontrol_m3;	/* cpu */
90	u32 clkdiv;		/* corerev >= 3 */
91	u32 gpiodebugsel;	/* corerev >= 28 */
92	u32 capabilities_ext;	/* 0xac  */
93
94	/* pll delay registers (corerev >= 4) */
95	u32 pll_on_delay;	/* 0xb0 */
96	u32 fref_sel_delay;
97	u32 slow_clk_ctl;	/* 5 < corerev < 10 */
98	u32 PAD;
99
100	/* Instaclock registers (corerev >= 10) */
101	u32 system_clk_ctl;	/* 0xc0 */
102	u32 clkstatestretch;
103	u32 PAD[2];
104
105	/* Indirect backplane access (corerev >= 22) */
106	u32 bp_addrlow;	/* 0xd0 */
107	u32 bp_addrhigh;
108	u32 bp_data;
109	u32 PAD;
110	u32 bp_indaccess;
111	u32 PAD[3];
112
113	/* More clock dividers (corerev >= 32) */
114	u32 clkdiv2;
115	u32 PAD[2];
116
117	/* In AI chips, pointer to erom */
118	u32 eromptr;		/* 0xfc */
119
120	/* ExtBus control registers (corerev >= 3) */
121	u32 pcmcia_config;	/* 0x100 */
122	u32 pcmcia_memwait;
123	u32 pcmcia_attrwait;
124	u32 pcmcia_iowait;
125	u32 ide_config;
126	u32 ide_memwait;
127	u32 ide_attrwait;
128	u32 ide_iowait;
129	u32 prog_config;
130	u32 prog_waitcount;
131	u32 flash_config;
132	u32 flash_waitcount;
133	u32 SECI_config;	/* 0x130 SECI configuration */
134	u32 PAD[3];
135
136	/* Enhanced Coexistence Interface (ECI) registers (corerev >= 21) */
137	u32 eci_output;	/* 0x140 */
138	u32 eci_control;
139	u32 eci_inputlo;
140	u32 eci_inputmi;
141	u32 eci_inputhi;
142	u32 eci_inputintpolaritylo;
143	u32 eci_inputintpolaritymi;
144	u32 eci_inputintpolarityhi;
145	u32 eci_intmasklo;
146	u32 eci_intmaskmi;
147	u32 eci_intmaskhi;
148	u32 eci_eventlo;
149	u32 eci_eventmi;
150	u32 eci_eventhi;
151	u32 eci_eventmasklo;
152	u32 eci_eventmaskmi;
153	u32 eci_eventmaskhi;
154	u32 PAD[3];
155
156	/* SROM interface (corerev >= 32) */
157	u32 sromcontrol;	/* 0x190 */
158	u32 sromaddress;
159	u32 sromdata;
160	u32 PAD[17];
161
162	/* Clock control and hardware workarounds (corerev >= 20) */
163	u32 clk_ctl_st;	/* 0x1e0 */
164	u32 hw_war;
165	u32 PAD[70];
166
167	/* UARTs */
168	u8 uart0data;	/* 0x300 */
169	u8 uart0imr;
170	u8 uart0fcr;
171	u8 uart0lcr;
172	u8 uart0mcr;
173	u8 uart0lsr;
174	u8 uart0msr;
175	u8 uart0scratch;
176	u8 PAD[248];		/* corerev >= 1 */
177
178	u8 uart1data;	/* 0x400 */
179	u8 uart1imr;
180	u8 uart1fcr;
181	u8 uart1lcr;
182	u8 uart1mcr;
183	u8 uart1lsr;
184	u8 uart1msr;
185	u8 uart1scratch;
186	u32 PAD[126];
187
188	/* PMU registers (corerev >= 20) */
189	u32 pmucontrol;	/* 0x600 */
190	u32 pmucapabilities;
191	u32 pmustatus;
192	u32 res_state;
193	u32 res_pending;
194	u32 pmutimer;
195	u32 min_res_mask;
196	u32 max_res_mask;
197	u32 res_table_sel;
198	u32 res_dep_mask;
199	u32 res_updn_timer;
200	u32 res_timer;
201	u32 clkstretch;
202	u32 pmuwatchdog;
203	u32 gpiosel;		/* 0x638, rev >= 1 */
204	u32 gpioenable;	/* 0x63c, rev >= 1 */
205	u32 res_req_timer_sel;
206	u32 res_req_timer;
207	u32 res_req_mask;
208	u32 PAD;
209	u32 chipcontrol_addr;	/* 0x650 */
210	u32 chipcontrol_data;	/* 0x654 */
211	u32 regcontrol_addr;
212	u32 regcontrol_data;
213	u32 pllcontrol_addr;
214	u32 pllcontrol_data;
215	u32 pmustrapopt;	/* 0x668, corerev >= 28 */
216	u32 pmu_xtalfreq;	/* 0x66C, pmurev >= 10 */
217	u32 PAD[100];
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/* pmucapabilities */
262#define PCAP_REV_MASK	0x000000ff
263#define PCAP_RC_MASK	0x00001f00
264#define PCAP_RC_SHIFT	8
265#define PCAP_TC_MASK	0x0001e000
266#define PCAP_TC_SHIFT	13
267#define PCAP_PC_MASK	0x001e0000
268#define PCAP_PC_SHIFT	17
269#define PCAP_VC_MASK	0x01e00000
270#define PCAP_VC_SHIFT	21
271#define PCAP_CC_MASK	0x1e000000
272#define PCAP_CC_SHIFT	25
273#define PCAP5_PC_MASK	0x003e0000	/* PMU corerev >= 5 */
274#define PCAP5_PC_SHIFT	17
275#define PCAP5_VC_MASK	0x07c00000
276#define PCAP5_VC_SHIFT	22
277#define PCAP5_CC_MASK	0xf8000000
278#define PCAP5_CC_SHIFT	27
279
280/*
281* Maximum delay for the PMU state transition in us.
282* This is an upper bound intended for spinwaits etc.
283*/
284#define PMU_MAX_TRANSITION_DLY	15000
285
286#endif				/* _SBCHIPC_H */
287