bcma: add Broadcom specific AMBA bus driver
[deliverable/linux.git] / include / linux / bcma / bcma_driver_chipcommon.h
1 #ifndef LINUX_BCMA_DRIVER_CC_H_
2 #define LINUX_BCMA_DRIVER_CC_H_
3
4 /** ChipCommon core registers. **/
5 #define BCMA_CC_ID 0x0000
6 #define BCMA_CC_ID_ID 0x0000FFFF
7 #define BCMA_CC_ID_ID_SHIFT 0
8 #define BCMA_CC_ID_REV 0x000F0000
9 #define BCMA_CC_ID_REV_SHIFT 16
10 #define BCMA_CC_ID_PKG 0x00F00000
11 #define BCMA_CC_ID_PKG_SHIFT 20
12 #define BCMA_CC_ID_NRCORES 0x0F000000
13 #define BCMA_CC_ID_NRCORES_SHIFT 24
14 #define BCMA_CC_ID_TYPE 0xF0000000
15 #define BCMA_CC_ID_TYPE_SHIFT 28
16 #define BCMA_CC_CAP 0x0004 /* Capabilities */
17 #define BCMA_CC_CAP_NRUART 0x00000003 /* # of UARTs */
18 #define BCMA_CC_CAP_MIPSEB 0x00000004 /* MIPS in BigEndian Mode */
19 #define BCMA_CC_CAP_UARTCLK 0x00000018 /* UART clock select */
20 #define BCMA_CC_CAP_UARTCLK_INT 0x00000008 /* UARTs are driven by internal divided clock */
21 #define BCMA_CC_CAP_UARTGPIO 0x00000020 /* UARTs on GPIO 15-12 */
22 #define BCMA_CC_CAP_EXTBUS 0x000000C0 /* External buses present */
23 #define BCMA_CC_CAP_FLASHT 0x00000700 /* Flash Type */
24 #define BCMA_CC_FLASHT_NONE 0x00000000 /* No flash */
25 #define BCMA_CC_FLASHT_STSER 0x00000100 /* ST serial flash */
26 #define BCMA_CC_FLASHT_ATSER 0x00000200 /* Atmel serial flash */
27 #define BCMA_CC_FLASHT_PARA 0x00000700 /* Parallel flash */
28 #define BCMA_CC_CAP_PLLT 0x00038000 /* PLL Type */
29 #define BCMA_PLLTYPE_NONE 0x00000000
30 #define BCMA_PLLTYPE_1 0x00010000 /* 48Mhz base, 3 dividers */
31 #define BCMA_PLLTYPE_2 0x00020000 /* 48Mhz, 4 dividers */
32 #define BCMA_PLLTYPE_3 0x00030000 /* 25Mhz, 2 dividers */
33 #define BCMA_PLLTYPE_4 0x00008000 /* 48Mhz, 4 dividers */
34 #define BCMA_PLLTYPE_5 0x00018000 /* 25Mhz, 4 dividers */
35 #define BCMA_PLLTYPE_6 0x00028000 /* 100/200 or 120/240 only */
36 #define BCMA_PLLTYPE_7 0x00038000 /* 25Mhz, 4 dividers */
37 #define BCMA_CC_CAP_PCTL 0x00040000 /* Power Control */
38 #define BCMA_CC_CAP_OTPS 0x00380000 /* OTP size */
39 #define BCMA_CC_CAP_OTPS_SHIFT 19
40 #define BCMA_CC_CAP_OTPS_BASE 5
41 #define BCMA_CC_CAP_JTAGM 0x00400000 /* JTAG master present */
42 #define BCMA_CC_CAP_BROM 0x00800000 /* Internal boot ROM active */
43 #define BCMA_CC_CAP_64BIT 0x08000000 /* 64-bit Backplane */
44 #define BCMA_CC_CAP_PMU 0x10000000 /* PMU available (rev >= 20) */
45 #define BCMA_CC_CAP_ECI 0x20000000 /* ECI available (rev >= 20) */
46 #define BCMA_CC_CAP_SPROM 0x40000000 /* SPROM present */
47 #define BCMA_CC_CORECTL 0x0008
48 #define BCMA_CC_CORECTL_UARTCLK0 0x00000001 /* Drive UART with internal clock */
49 #define BCMA_CC_CORECTL_SE 0x00000002 /* sync clk out enable (corerev >= 3) */
50 #define BCMA_CC_CORECTL_UARTCLKEN 0x00000008 /* UART clock enable (rev >= 21) */
51 #define BCMA_CC_BIST 0x000C
52 #define BCMA_CC_OTPS 0x0010 /* OTP status */
53 #define BCMA_CC_OTPS_PROGFAIL 0x80000000
54 #define BCMA_CC_OTPS_PROTECT 0x00000007
55 #define BCMA_CC_OTPS_HW_PROTECT 0x00000001
56 #define BCMA_CC_OTPS_SW_PROTECT 0x00000002
57 #define BCMA_CC_OTPS_CID_PROTECT 0x00000004
58 #define BCMA_CC_OTPC 0x0014 /* OTP control */
59 #define BCMA_CC_OTPC_RECWAIT 0xFF000000
60 #define BCMA_CC_OTPC_PROGWAIT 0x00FFFF00
61 #define BCMA_CC_OTPC_PRW_SHIFT 8
62 #define BCMA_CC_OTPC_MAXFAIL 0x00000038
63 #define BCMA_CC_OTPC_VSEL 0x00000006
64 #define BCMA_CC_OTPC_SELVL 0x00000001
65 #define BCMA_CC_OTPP 0x0018 /* OTP prog */
66 #define BCMA_CC_OTPP_COL 0x000000FF
67 #define BCMA_CC_OTPP_ROW 0x0000FF00
68 #define BCMA_CC_OTPP_ROW_SHIFT 8
69 #define BCMA_CC_OTPP_READERR 0x10000000
70 #define BCMA_CC_OTPP_VALUE 0x20000000
71 #define BCMA_CC_OTPP_READ 0x40000000
72 #define BCMA_CC_OTPP_START 0x80000000
73 #define BCMA_CC_OTPP_BUSY 0x80000000
74 #define BCMA_CC_IRQSTAT 0x0020
75 #define BCMA_CC_IRQMASK 0x0024
76 #define BCMA_CC_IRQ_GPIO 0x00000001 /* gpio intr */
77 #define BCMA_CC_IRQ_EXT 0x00000002 /* ro: ext intr pin (corerev >= 3) */
78 #define BCMA_CC_IRQ_WDRESET 0x80000000 /* watchdog reset occurred */
79 #define BCMA_CC_CHIPCTL 0x0028 /* Rev >= 11 only */
80 #define BCMA_CC_CHIPSTAT 0x002C /* Rev >= 11 only */
81 #define BCMA_CC_JCMD 0x0030 /* Rev >= 10 only */
82 #define BCMA_CC_JCMD_START 0x80000000
83 #define BCMA_CC_JCMD_BUSY 0x80000000
84 #define BCMA_CC_JCMD_PAUSE 0x40000000
85 #define BCMA_CC_JCMD0_ACC_MASK 0x0000F000
86 #define BCMA_CC_JCMD0_ACC_IRDR 0x00000000
87 #define BCMA_CC_JCMD0_ACC_DR 0x00001000
88 #define BCMA_CC_JCMD0_ACC_IR 0x00002000
89 #define BCMA_CC_JCMD0_ACC_RESET 0x00003000
90 #define BCMA_CC_JCMD0_ACC_IRPDR 0x00004000
91 #define BCMA_CC_JCMD0_ACC_PDR 0x00005000
92 #define BCMA_CC_JCMD0_IRW_MASK 0x00000F00
93 #define BCMA_CC_JCMD_ACC_MASK 0x000F0000 /* Changes for corerev 11 */
94 #define BCMA_CC_JCMD_ACC_IRDR 0x00000000
95 #define BCMA_CC_JCMD_ACC_DR 0x00010000
96 #define BCMA_CC_JCMD_ACC_IR 0x00020000
97 #define BCMA_CC_JCMD_ACC_RESET 0x00030000
98 #define BCMA_CC_JCMD_ACC_IRPDR 0x00040000
99 #define BCMA_CC_JCMD_ACC_PDR 0x00050000
100 #define BCMA_CC_JCMD_IRW_MASK 0x00001F00
101 #define BCMA_CC_JCMD_IRW_SHIFT 8
102 #define BCMA_CC_JCMD_DRW_MASK 0x0000003F
103 #define BCMA_CC_JIR 0x0034 /* Rev >= 10 only */
104 #define BCMA_CC_JDR 0x0038 /* Rev >= 10 only */
105 #define BCMA_CC_JCTL 0x003C /* Rev >= 10 only */
106 #define BCMA_CC_JCTL_FORCE_CLK 4 /* Force clock */
107 #define BCMA_CC_JCTL_EXT_EN 2 /* Enable external targets */
108 #define BCMA_CC_JCTL_EN 1 /* Enable Jtag master */
109 #define BCMA_CC_FLASHCTL 0x0040
110 #define BCMA_CC_FLASHCTL_START 0x80000000
111 #define BCMA_CC_FLASHCTL_BUSY BCMA_CC_FLASHCTL_START
112 #define BCMA_CC_FLASHADDR 0x0044
113 #define BCMA_CC_FLASHDATA 0x0048
114 #define BCMA_CC_BCAST_ADDR 0x0050
115 #define BCMA_CC_BCAST_DATA 0x0054
116 #define BCMA_CC_GPIOIN 0x0060
117 #define BCMA_CC_GPIOOUT 0x0064
118 #define BCMA_CC_GPIOOUTEN 0x0068
119 #define BCMA_CC_GPIOCTL 0x006C
120 #define BCMA_CC_GPIOPOL 0x0070
121 #define BCMA_CC_GPIOIRQ 0x0074
122 #define BCMA_CC_WATCHDOG 0x0080
123 #define BCMA_CC_GPIOTIMER 0x0088 /* LED powersave (corerev >= 16) */
124 #define BCMA_CC_GPIOTIMER_ONTIME_SHIFT 16
125 #define BCMA_CC_GPIOTOUTM 0x008C /* LED powersave (corerev >= 16) */
126 #define BCMA_CC_CLOCK_N 0x0090
127 #define BCMA_CC_CLOCK_SB 0x0094
128 #define BCMA_CC_CLOCK_PCI 0x0098
129 #define BCMA_CC_CLOCK_M2 0x009C
130 #define BCMA_CC_CLOCK_MIPS 0x00A0
131 #define BCMA_CC_CLKDIV 0x00A4 /* Rev >= 3 only */
132 #define BCMA_CC_CLKDIV_SFLASH 0x0F000000
133 #define BCMA_CC_CLKDIV_SFLASH_SHIFT 24
134 #define BCMA_CC_CLKDIV_OTP 0x000F0000
135 #define BCMA_CC_CLKDIV_OTP_SHIFT 16
136 #define BCMA_CC_CLKDIV_JTAG 0x00000F00
137 #define BCMA_CC_CLKDIV_JTAG_SHIFT 8
138 #define BCMA_CC_CLKDIV_UART 0x000000FF
139 #define BCMA_CC_CAP_EXT 0x00AC /* Capabilities */
140 #define BCMA_CC_PLLONDELAY 0x00B0 /* Rev >= 4 only */
141 #define BCMA_CC_FREFSELDELAY 0x00B4 /* Rev >= 4 only */
142 #define BCMA_CC_SLOWCLKCTL 0x00B8 /* 6 <= Rev <= 9 only */
143 #define BCMA_CC_SLOWCLKCTL_SRC 0x00000007 /* slow clock source mask */
144 #define BCMA_CC_SLOWCLKCTL_SRC_LPO 0x00000000 /* source of slow clock is LPO */
145 #define BCMA_CC_SLOWCLKCTL_SRC_XTAL 0x00000001 /* source of slow clock is crystal */
146 #define BCMA_CC_SLOECLKCTL_SRC_PCI 0x00000002 /* source of slow clock is PCI */
147 #define BCMA_CC_SLOWCLKCTL_LPOFREQ 0x00000200 /* LPOFreqSel, 1: 160Khz, 0: 32KHz */
148 #define BCMA_CC_SLOWCLKCTL_LPOPD 0x00000400 /* LPOPowerDown, 1: LPO is disabled, 0: LPO is enabled */
149 #define BCMA_CC_SLOWCLKCTL_FSLOW 0x00000800 /* ForceSlowClk, 1: sb/cores running on slow clock, 0: power logic control */
150 #define BCMA_CC_SLOWCLKCTL_IPLL 0x00001000 /* IgnorePllOffReq, 1/0: power logic ignores/honors PLL clock disable requests from core */
151 #define BCMA_CC_SLOWCLKCTL_ENXTAL 0x00002000 /* XtalControlEn, 1/0: power logic does/doesn't disable crystal when appropriate */
152 #define BCMA_CC_SLOWCLKCTL_XTALPU 0x00004000 /* XtalPU (RO), 1/0: crystal running/disabled */
153 #define BCMA_CC_SLOWCLKCTL_CLKDIV 0xFFFF0000 /* ClockDivider (SlowClk = 1/(4+divisor)) */
154 #define BCMA_CC_SLOWCLKCTL_CLKDIV_SHIFT 16
155 #define BCMA_CC_SYSCLKCTL 0x00C0 /* Rev >= 3 only */
156 #define BCMA_CC_SYSCLKCTL_IDLPEN 0x00000001 /* ILPen: Enable Idle Low Power */
157 #define BCMA_CC_SYSCLKCTL_ALPEN 0x00000002 /* ALPen: Enable Active Low Power */
158 #define BCMA_CC_SYSCLKCTL_PLLEN 0x00000004 /* ForcePLLOn */
159 #define BCMA_CC_SYSCLKCTL_FORCEALP 0x00000008 /* Force ALP (or HT if ALPen is not set */
160 #define BCMA_CC_SYSCLKCTL_FORCEHT 0x00000010 /* Force HT */
161 #define BCMA_CC_SYSCLKCTL_CLKDIV 0xFFFF0000 /* ClkDiv (ILP = 1/(4+divisor)) */
162 #define BCMA_CC_SYSCLKCTL_CLKDIV_SHIFT 16
163 #define BCMA_CC_CLKSTSTR 0x00C4 /* Rev >= 3 only */
164 #define BCMA_CC_EROM 0x00FC
165 #define BCMA_CC_PCMCIA_CFG 0x0100
166 #define BCMA_CC_PCMCIA_MEMWAIT 0x0104
167 #define BCMA_CC_PCMCIA_ATTRWAIT 0x0108
168 #define BCMA_CC_PCMCIA_IOWAIT 0x010C
169 #define BCMA_CC_IDE_CFG 0x0110
170 #define BCMA_CC_IDE_MEMWAIT 0x0114
171 #define BCMA_CC_IDE_ATTRWAIT 0x0118
172 #define BCMA_CC_IDE_IOWAIT 0x011C
173 #define BCMA_CC_PROG_CFG 0x0120
174 #define BCMA_CC_PROG_WAITCNT 0x0124
175 #define BCMA_CC_FLASH_CFG 0x0128
176 #define BCMA_CC_FLASH_WAITCNT 0x012C
177 #define BCMA_CC_CLKCTLST 0x01E0 /* Clock control and status (rev >= 20) */
178 #define BCMA_CC_CLKCTLST_FORCEALP 0x00000001 /* Force ALP request */
179 #define BCMA_CC_CLKCTLST_FORCEHT 0x00000002 /* Force HT request */
180 #define BCMA_CC_CLKCTLST_FORCEILP 0x00000004 /* Force ILP request */
181 #define BCMA_CC_CLKCTLST_HAVEALPREQ 0x00000008 /* ALP available request */
182 #define BCMA_CC_CLKCTLST_HAVEHTREQ 0x00000010 /* HT available request */
183 #define BCMA_CC_CLKCTLST_HWCROFF 0x00000020 /* Force HW clock request off */
184 #define BCMA_CC_CLKCTLST_HAVEHT 0x00010000 /* HT available */
185 #define BCMA_CC_CLKCTLST_HAVEALP 0x00020000 /* APL available */
186 #define BCMA_CC_HW_WORKAROUND 0x01E4 /* Hardware workaround (rev >= 20) */
187 #define BCMA_CC_UART0_DATA 0x0300
188 #define BCMA_CC_UART0_IMR 0x0304
189 #define BCMA_CC_UART0_FCR 0x0308
190 #define BCMA_CC_UART0_LCR 0x030C
191 #define BCMA_CC_UART0_MCR 0x0310
192 #define BCMA_CC_UART0_LSR 0x0314
193 #define BCMA_CC_UART0_MSR 0x0318
194 #define BCMA_CC_UART0_SCRATCH 0x031C
195 #define BCMA_CC_UART1_DATA 0x0400
196 #define BCMA_CC_UART1_IMR 0x0404
197 #define BCMA_CC_UART1_FCR 0x0408
198 #define BCMA_CC_UART1_LCR 0x040C
199 #define BCMA_CC_UART1_MCR 0x0410
200 #define BCMA_CC_UART1_LSR 0x0414
201 #define BCMA_CC_UART1_MSR 0x0418
202 #define BCMA_CC_UART1_SCRATCH 0x041C
203 /* PMU registers (rev >= 20) */
204 #define BCMA_CC_PMU_CTL 0x0600 /* PMU control */
205 #define BCMA_CC_PMU_CTL_ILP_DIV 0xFFFF0000 /* ILP div mask */
206 #define BCMA_CC_PMU_CTL_ILP_DIV_SHIFT 16
207 #define BCMA_CC_PMU_CTL_NOILPONW 0x00000200 /* No ILP on wait */
208 #define BCMA_CC_PMU_CTL_HTREQEN 0x00000100 /* HT req enable */
209 #define BCMA_CC_PMU_CTL_ALPREQEN 0x00000080 /* ALP req enable */
210 #define BCMA_CC_PMU_CTL_XTALFREQ 0x0000007C /* Crystal freq */
211 #define BCMA_CC_PMU_CTL_XTALFREQ_SHIFT 2
212 #define BCMA_CC_PMU_CTL_ILPDIVEN 0x00000002 /* ILP div enable */
213 #define BCMA_CC_PMU_CTL_LPOSEL 0x00000001 /* LPO sel */
214 #define BCMA_CC_PMU_CAP 0x0604 /* PMU capabilities */
215 #define BCMA_CC_PMU_CAP_REVISION 0x000000FF /* Revision mask */
216 #define BCMA_CC_PMU_STAT 0x0608 /* PMU status */
217 #define BCMA_CC_PMU_STAT_INTPEND 0x00000040 /* Interrupt pending */
218 #define BCMA_CC_PMU_STAT_SBCLKST 0x00000030 /* Backplane clock status? */
219 #define BCMA_CC_PMU_STAT_HAVEALP 0x00000008 /* ALP available */
220 #define BCMA_CC_PMU_STAT_HAVEHT 0x00000004 /* HT available */
221 #define BCMA_CC_PMU_STAT_RESINIT 0x00000003 /* Res init */
222 #define BCMA_CC_PMU_RES_STAT 0x060C /* PMU res status */
223 #define BCMA_CC_PMU_RES_PEND 0x0610 /* PMU res pending */
224 #define BCMA_CC_PMU_TIMER 0x0614 /* PMU timer */
225 #define BCMA_CC_PMU_MINRES_MSK 0x0618 /* PMU min res mask */
226 #define BCMA_CC_PMU_MAXRES_MSK 0x061C /* PMU max res mask */
227 #define BCMA_CC_PMU_RES_TABSEL 0x0620 /* PMU res table sel */
228 #define BCMA_CC_PMU_RES_DEPMSK 0x0624 /* PMU res dep mask */
229 #define BCMA_CC_PMU_RES_UPDNTM 0x0628 /* PMU res updown timer */
230 #define BCMA_CC_PMU_RES_TIMER 0x062C /* PMU res timer */
231 #define BCMA_CC_PMU_CLKSTRETCH 0x0630 /* PMU clockstretch */
232 #define BCMA_CC_PMU_WATCHDOG 0x0634 /* PMU watchdog */
233 #define BCMA_CC_PMU_RES_REQTS 0x0640 /* PMU res req timer sel */
234 #define BCMA_CC_PMU_RES_REQT 0x0644 /* PMU res req timer */
235 #define BCMA_CC_PMU_RES_REQM 0x0648 /* PMU res req mask */
236 #define BCMA_CC_CHIPCTL_ADDR 0x0650
237 #define BCMA_CC_CHIPCTL_DATA 0x0654
238 #define BCMA_CC_REGCTL_ADDR 0x0658
239 #define BCMA_CC_REGCTL_DATA 0x065C
240 #define BCMA_CC_PLLCTL_ADDR 0x0660
241 #define BCMA_CC_PLLCTL_DATA 0x0664
242
243 /* Data for the PMU, if available.
244 * Check availability with ((struct bcma_chipcommon)->capabilities & BCMA_CC_CAP_PMU)
245 */
246 struct bcma_chipcommon_pmu {
247 u8 rev; /* PMU revision */
248 u32 crystalfreq; /* The active crystal frequency (in kHz) */
249 };
250
251 struct bcma_drv_cc {
252 struct bcma_device *core;
253 u32 status;
254 u32 capabilities;
255 u32 capabilities_ext;
256 /* Fast Powerup Delay constant */
257 u16 fast_pwrup_delay;
258 struct bcma_chipcommon_pmu pmu;
259 };
260
261 /* Register access */
262 #define bcma_cc_read32(cc, offset) \
263 bcma_read32((cc)->core, offset)
264 #define bcma_cc_write32(cc, offset, val) \
265 bcma_write32((cc)->core, offset, val)
266
267 #define bcma_cc_mask32(cc, offset, mask) \
268 bcma_cc_write32(cc, offset, bcma_cc_read32(cc, offset) & (mask))
269 #define bcma_cc_set32(cc, offset, set) \
270 bcma_cc_write32(cc, offset, bcma_cc_read32(cc, offset) | (set))
271 #define bcma_cc_maskset32(cc, offset, mask, set) \
272 bcma_cc_write32(cc, offset, (bcma_cc_read32(cc, offset) & (mask)) | (set))
273
274 extern void bcma_core_chipcommon_init(struct bcma_drv_cc *cc);
275
276 extern void bcma_chipco_suspend(struct bcma_drv_cc *cc);
277 extern void bcma_chipco_resume(struct bcma_drv_cc *cc);
278
279 extern void bcma_chipco_watchdog_timer_set(struct bcma_drv_cc *cc,
280 u32 ticks);
281
282 void bcma_chipco_irq_mask(struct bcma_drv_cc *cc, u32 mask, u32 value);
283
284 u32 bcma_chipco_irq_status(struct bcma_drv_cc *cc, u32 mask);
285
286 /* Chipcommon GPIO pin access. */
287 u32 bcma_chipco_gpio_in(struct bcma_drv_cc *cc, u32 mask);
288 u32 bcma_chipco_gpio_out(struct bcma_drv_cc *cc, u32 mask, u32 value);
289 u32 bcma_chipco_gpio_outen(struct bcma_drv_cc *cc, u32 mask, u32 value);
290 u32 bcma_chipco_gpio_control(struct bcma_drv_cc *cc, u32 mask, u32 value);
291 u32 bcma_chipco_gpio_intmask(struct bcma_drv_cc *cc, u32 mask, u32 value);
292 u32 bcma_chipco_gpio_polarity(struct bcma_drv_cc *cc, u32 mask, u32 value);
293
294 /* PMU support */
295 extern void bcma_pmu_init(struct bcma_drv_cc *cc);
296
297 #endif /* LINUX_BCMA_DRIVER_CC_H_ */
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