2 * Copyright (c) 2010 Broadcom Corporation
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.
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.
16 * File contents: support functions for PCI/PCIe
19 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
21 #include <linux/delay.h>
22 #include <linux/pci.h>
25 #include <chipcommon.h>
26 #include <brcmu_utils.h>
27 #include <brcm_hw_ids.h>
37 /* slow clock source mask */
38 #define SCC_SS_MASK 0x00000007
39 /* source of slow clock is LPO */
40 #define SCC_SS_LPO 0x00000000
41 /* source of slow clock is crystal */
42 #define SCC_SS_XTAL 0x00000001
43 /* source of slow clock is PCI */
44 #define SCC_SS_PCI 0x00000002
45 /* LPOFreqSel, 1: 160Khz, 0: 32KHz */
46 #define SCC_LF 0x00000200
47 /* LPOPowerDown, 1: LPO is disabled, 0: LPO is enabled */
48 #define SCC_LP 0x00000400
49 /* ForceSlowClk, 1: sb/cores running on slow clock, 0: power logic control */
50 #define SCC_FS 0x00000800
51 /* IgnorePllOffReq, 1/0:
52 * power logic ignores/honors PLL clock disable requests from core
54 #define SCC_IP 0x00001000
55 /* XtalControlEn, 1/0:
56 * power logic does/doesn't disable crystal when appropriate
58 #define SCC_XC 0x00002000
59 /* XtalPU (RO), 1/0: crystal running/disabled */
60 #define SCC_XP 0x00004000
61 /* ClockDivider (SlowClk = 1/(4+divisor)) */
62 #define SCC_CD_MASK 0xffff0000
63 #define SCC_CD_SHIFT 16
66 /* ILPen: Enable Idle Low Power */
67 #define SYCC_IE 0x00000001
68 /* ALPen: Enable Active Low Power */
69 #define SYCC_AE 0x00000002
71 #define SYCC_FP 0x00000004
72 /* Force ALP (or HT if ALPen is not set */
73 #define SYCC_AR 0x00000008
75 #define SYCC_HR 0x00000010
76 /* ClkDiv (ILP = 1/(4 * (divisor + 1)) */
77 #define SYCC_CD_MASK 0xffff0000
78 #define SYCC_CD_SHIFT 16
80 #define CST4329_SPROM_OTP_SEL_MASK 0x00000003
81 /* OTP is powered up, use def. CIS, no SPROM */
82 #define CST4329_DEFCIS_SEL 0
83 /* OTP is powered up, SPROM is present */
84 #define CST4329_SPROM_SEL 1
85 /* OTP is powered up, no SPROM */
86 #define CST4329_OTP_SEL 2
87 /* OTP is powered down, SPROM is present */
88 #define CST4329_OTP_PWRDN 3
90 #define CST4329_SPI_SDIO_MODE_MASK 0x00000004
91 #define CST4329_SPI_SDIO_MODE_SHIFT 2
93 /* 43224 chip-specific ChipControl register bits */
94 #define CCTRL43224_GPIO_TOGGLE 0x8000
95 /* 12 mA drive strength */
96 #define CCTRL_43224A0_12MA_LED_DRIVE 0x00F000F0
97 /* 12 mA drive strength for later 43224s */
98 #define CCTRL_43224B0_12MA_LED_DRIVE 0xF0
100 /* 43236 Chip specific ChipStatus register bits */
101 #define CST43236_SFLASH_MASK 0x00000040
102 #define CST43236_OTP_MASK 0x00000080
103 #define CST43236_HSIC_MASK 0x00000100 /* USB/HSIC */
104 #define CST43236_BP_CLK 0x00000200 /* 120/96Mbps */
105 #define CST43236_BOOT_MASK 0x00001800
106 #define CST43236_BOOT_SHIFT 11
107 #define CST43236_BOOT_FROM_SRAM 0 /* boot from SRAM, ARM in reset */
108 #define CST43236_BOOT_FROM_ROM 1 /* boot from ROM */
109 #define CST43236_BOOT_FROM_FLASH 2 /* boot from FLASH */
110 #define CST43236_BOOT_FROM_INVALID 3
112 /* 4331 chip-specific ChipControl register bits */
114 #define CCTRL4331_BT_COEXIST (1<<0)
115 /* 0 SECI is disabled (JTAG functional) */
116 #define CCTRL4331_SECI (1<<1)
118 #define CCTRL4331_EXT_LNA (1<<2)
119 /* sprom/gpio13-15 mux */
120 #define CCTRL4331_SPROM_GPIO13_15 (1<<3)
121 /* 0 ext pa disable, 1 ext pa enabled */
122 #define CCTRL4331_EXTPA_EN (1<<4)
123 /* set drive out GPIO_CLK on sprom_cs pin */
124 #define CCTRL4331_GPIOCLK_ON_SPROMCS (1<<5)
125 /* use sprom_cs pin as PCIE mdio interface */
126 #define CCTRL4331_PCIE_MDIO_ON_SPROMCS (1<<6)
127 /* aband extpa will be at gpio2/5 and sprom_dout */
128 #define CCTRL4331_EXTPA_ON_GPIO2_5 (1<<7)
129 /* override core control on pipe_AuxClkEnable */
130 #define CCTRL4331_OVR_PIPEAUXCLKEN (1<<8)
131 /* override core control on pipe_AuxPowerDown */
132 #define CCTRL4331_OVR_PIPEAUXPWRDOWN (1<<9)
133 /* pcie_auxclkenable */
134 #define CCTRL4331_PCIE_AUXCLKEN (1<<10)
135 /* pcie_pipe_pllpowerdown */
136 #define CCTRL4331_PCIE_PIPE_PLLDOWN (1<<11)
137 /* enable bt_shd0 at gpio4 */
138 #define CCTRL4331_BT_SHD0_ON_GPIO4 (1<<16)
139 /* enable bt_shd1 at gpio5 */
140 #define CCTRL4331_BT_SHD1_ON_GPIO5 (1<<17)
142 /* 4331 Chip specific ChipStatus register bits */
143 /* crystal frequency 20/40Mhz */
144 #define CST4331_XTAL_FREQ 0x00000001
145 #define CST4331_SPROM_PRESENT 0x00000002
146 #define CST4331_OTP_PRESENT 0x00000004
147 #define CST4331_LDO_RF 0x00000008
148 #define CST4331_LDO_PAR 0x00000010
150 /* 4319 chip-specific ChipStatus register bits */
151 #define CST4319_SPI_CPULESSUSB 0x00000001
152 #define CST4319_SPI_CLK_POL 0x00000002
153 #define CST4319_SPI_CLK_PH 0x00000008
154 /* gpio [7:6], SDIO CIS selection */
155 #define CST4319_SPROM_OTP_SEL_MASK 0x000000c0
156 #define CST4319_SPROM_OTP_SEL_SHIFT 6
157 /* use default CIS, OTP is powered up */
158 #define CST4319_DEFCIS_SEL 0x00000000
159 /* use SPROM, OTP is powered up */
160 #define CST4319_SPROM_SEL 0x00000040
161 /* use OTP, OTP is powered up */
162 #define CST4319_OTP_SEL 0x00000080
163 /* use SPROM, OTP is powered down */
164 #define CST4319_OTP_PWRDN 0x000000c0
165 /* gpio [8], sdio/usb mode */
166 #define CST4319_SDIO_USB_MODE 0x00000100
167 #define CST4319_REMAP_SEL_MASK 0x00000600
168 #define CST4319_ILPDIV_EN 0x00000800
169 #define CST4319_XTAL_PD_POL 0x00001000
170 #define CST4319_LPO_SEL 0x00002000
171 #define CST4319_RES_INIT_MODE 0x0000c000
172 /* PALDO is configured with external PNP */
173 #define CST4319_PALDO_EXTPNP 0x00010000
174 #define CST4319_CBUCK_MODE_MASK 0x00060000
175 #define CST4319_CBUCK_MODE_BURST 0x00020000
176 #define CST4319_CBUCK_MODE_LPBURST 0x00060000
177 #define CST4319_RCAL_VALID 0x01000000
178 #define CST4319_RCAL_VALUE_MASK 0x3e000000
179 #define CST4319_RCAL_VALUE_SHIFT 25
181 /* 4336 chip-specific ChipStatus register bits */
182 #define CST4336_SPI_MODE_MASK 0x00000001
183 #define CST4336_SPROM_PRESENT 0x00000002
184 #define CST4336_OTP_PRESENT 0x00000004
185 #define CST4336_ARMREMAP_0 0x00000008
186 #define CST4336_ILPDIV_EN_MASK 0x00000010
187 #define CST4336_ILPDIV_EN_SHIFT 4
188 #define CST4336_XTAL_PD_POL_MASK 0x00000020
189 #define CST4336_XTAL_PD_POL_SHIFT 5
190 #define CST4336_LPO_SEL_MASK 0x00000040
191 #define CST4336_LPO_SEL_SHIFT 6
192 #define CST4336_RES_INIT_MODE_MASK 0x00000180
193 #define CST4336_RES_INIT_MODE_SHIFT 7
194 #define CST4336_CBUCK_MODE_MASK 0x00000600
195 #define CST4336_CBUCK_MODE_SHIFT 9
197 /* 4313 chip-specific ChipStatus register bits */
198 #define CST4313_SPROM_PRESENT 1
199 #define CST4313_OTP_PRESENT 2
200 #define CST4313_SPROM_OTP_SEL_MASK 0x00000002
201 #define CST4313_SPROM_OTP_SEL_SHIFT 0
203 /* 4313 Chip specific ChipControl register bits */
204 /* 12 mA drive strengh for later 4313 */
205 #define CCTRL_4313_12MA_LED_DRIVE 0x00000007
207 /* Manufacturer Ids */
208 #define MFGID_ARM 0x43b
209 #define MFGID_BRCM 0x4bf
210 #define MFGID_MIPS 0x4a7
212 /* Enumeration ROM registers */
213 #define ER_EROMENTRY 0x000
214 #define ER_REMAPCONTROL 0xe00
215 #define ER_REMAPSELECT 0xe04
216 #define ER_MASTERSELECT 0xe10
217 #define ER_ITCR 0xf00
218 #define ER_ITIP 0xf04
228 #define ER_BAD 0xffffffff
230 /* EROM CompIdentA */
231 #define CIA_MFG_MASK 0xfff00000
232 #define CIA_MFG_SHIFT 20
233 #define CIA_CID_MASK 0x000fff00
234 #define CIA_CID_SHIFT 8
235 #define CIA_CCL_MASK 0x000000f0
236 #define CIA_CCL_SHIFT 4
238 /* EROM CompIdentB */
239 #define CIB_REV_MASK 0xff000000
240 #define CIB_REV_SHIFT 24
241 #define CIB_NSW_MASK 0x00f80000
242 #define CIB_NSW_SHIFT 19
243 #define CIB_NMW_MASK 0x0007c000
244 #define CIB_NMW_SHIFT 14
245 #define CIB_NSP_MASK 0x00003e00
246 #define CIB_NSP_SHIFT 9
247 #define CIB_NMP_MASK 0x000001f0
248 #define CIB_NMP_SHIFT 4
251 #define AD_ADDR_MASK 0xfffff000
252 #define AD_SP_MASK 0x00000f00
253 #define AD_SP_SHIFT 8
254 #define AD_ST_MASK 0x000000c0
255 #define AD_ST_SHIFT 6
256 #define AD_ST_SLAVE 0x00000000
257 #define AD_ST_BRIDGE 0x00000040
258 #define AD_ST_SWRAP 0x00000080
259 #define AD_ST_MWRAP 0x000000c0
260 #define AD_SZ_MASK 0x00000030
261 #define AD_SZ_SHIFT 4
262 #define AD_SZ_4K 0x00000000
263 #define AD_SZ_8K 0x00000010
264 #define AD_SZ_16K 0x00000020
265 #define AD_SZ_SZD 0x00000030
266 #define AD_AG32 0x00000008
267 #define AD_ADDR_ALIGN 0x00000fff
268 #define AD_SZ_BASE 0x00001000 /* 4KB */
271 #define SD_SZ_MASK 0xfffff000
272 #define SD_SG32 0x00000008
273 #define SD_SZ_ALIGN 0x00000fff
275 /* PCI config space bit 4 for 4306c0 slow clock source */
276 #define PCI_CFG_GPIO_SCS 0x10
277 /* PCI config space GPIO 14 for Xtal power-up */
278 #define PCI_CFG_GPIO_XTAL 0x40
279 /* PCI config space GPIO 15 for PLL power-down */
280 #define PCI_CFG_GPIO_PLL 0x80
282 /* power control defines */
283 #define PLL_DELAY 150 /* us pll on delay */
284 #define FREF_DELAY 200 /* us fref change delay */
285 #define XTAL_ON_DELAY 1000 /* us crystal power-on delay */
290 #define NOREV -1 /* Invalid rev */
292 /* GPIO Based LED powersave defines */
293 #define DEFAULT_GPIO_ONTIME 10 /* Default: 10% on */
294 #define DEFAULT_GPIO_OFFTIME 90 /* Default: 10% on */
296 /* When Srom support present, fields in sromcontrol */
297 #define SRC_START 0x80000000
298 #define SRC_BUSY 0x80000000
299 #define SRC_OPCODE 0x60000000
300 #define SRC_OP_READ 0x00000000
301 #define SRC_OP_WRITE 0x20000000
302 #define SRC_OP_WRDIS 0x40000000
303 #define SRC_OP_WREN 0x60000000
304 #define SRC_OTPSEL 0x00000010
305 #define SRC_LOCK 0x00000008
306 #define SRC_SIZE_MASK 0x00000006
307 #define SRC_SIZE_1K 0x00000000
308 #define SRC_SIZE_4K 0x00000002
309 #define SRC_SIZE_16K 0x00000004
310 #define SRC_SIZE_SHIFT 1
311 #define SRC_PRESENT 0x00000001
313 /* External PA enable mask */
314 #define GPIO_CTRL_EPA_EN_MASK 0x40
316 #define DEFAULT_GPIOTIMERVAL \
317 ((DEFAULT_GPIO_ONTIME << GPIO_ONTIME_SHIFT) | DEFAULT_GPIO_OFFTIME)
319 #define BADIDX (SI_MAXCORES + 1)
321 #define IS_SIM(chippkg) \
322 ((chippkg == HDLSIM_PKG_ID) || (chippkg == HWSIM_PKG_ID))
325 * Macros to disable/restore function core(D11, ENET, ILINE20, etc) interrupts
326 * before after core switching to avoid invalid register accesss inside ISR.
328 #define INTR_OFF(si, intr_val) \
329 if ((si)->intrsoff_fn && \
330 (si)->coreid[(si)->curidx] == (si)->dev_coreid) \
331 intr_val = (*(si)->intrsoff_fn)((si)->intr_arg)
333 #define INTR_RESTORE(si, intr_val) \
334 if ((si)->intrsrestore_fn && \
335 (si)->coreid[(si)->curidx] == (si)->dev_coreid) \
336 (*(si)->intrsrestore_fn)((si)->intr_arg, intr_val)
338 #define PCI(sih) (ai_get_buscoretype(sih) == PCI_CORE_ID)
339 #define PCIE(sih) (ai_get_buscoretype(sih) == PCIE_CORE_ID)
341 #define PCI_FORCEHT(sih) (PCIE(sih) && (ai_get_chip_id(sih) == BCM4716_CHIP_ID))
344 #define SI_MSG(fmt, ...) pr_debug(fmt, ##__VA_ARGS__)
346 #define SI_MSG(fmt, ...) no_printk(fmt, ##__VA_ARGS__)
349 #define GOODCOREADDR(x, b) \
350 (((x) >= (b)) && ((x) < ((b) + SI_MAXCORES * SI_CORE_SIZE)) && \
351 IS_ALIGNED((x), SI_CORE_SIZE))
354 u32 oobselina30; /* 0x000 */
355 u32 oobselina74; /* 0x004 */
357 u32 oobselinb30; /* 0x020 */
358 u32 oobselinb74; /* 0x024 */
360 u32 oobselinc30; /* 0x040 */
361 u32 oobselinc74; /* 0x044 */
363 u32 oobselind30; /* 0x060 */
364 u32 oobselind74; /* 0x064 */
366 u32 oobselouta30; /* 0x100 */
367 u32 oobselouta74; /* 0x104 */
369 u32 oobseloutb30; /* 0x120 */
370 u32 oobseloutb74; /* 0x124 */
372 u32 oobseloutc30; /* 0x140 */
373 u32 oobseloutc74; /* 0x144 */
375 u32 oobseloutd30; /* 0x160 */
376 u32 oobseloutd74; /* 0x164 */
378 u32 oobsynca; /* 0x200 */
379 u32 oobseloutaen; /* 0x204 */
381 u32 oobsyncb; /* 0x220 */
382 u32 oobseloutben; /* 0x224 */
384 u32 oobsyncc; /* 0x240 */
385 u32 oobseloutcen; /* 0x244 */
387 u32 oobsyncd; /* 0x260 */
388 u32 oobseloutden; /* 0x264 */
390 u32 oobaextwidth; /* 0x300 */
391 u32 oobainwidth; /* 0x304 */
392 u32 oobaoutwidth; /* 0x308 */
394 u32 oobbextwidth; /* 0x320 */
395 u32 oobbinwidth; /* 0x324 */
396 u32 oobboutwidth; /* 0x328 */
398 u32 oobcextwidth; /* 0x340 */
399 u32 oobcinwidth; /* 0x344 */
400 u32 oobcoutwidth; /* 0x348 */
402 u32 oobdextwidth; /* 0x360 */
403 u32 oobdinwidth; /* 0x364 */
404 u32 oobdoutwidth; /* 0x368 */
406 u32 ioctrlset; /* 0x400 */
407 u32 ioctrlclear; /* 0x404 */
408 u32 ioctrl; /* 0x408 */
410 u32 iostatus; /* 0x500 */
412 u32 ioctrlwidth; /* 0x700 */
413 u32 iostatuswidth; /* 0x704 */
415 u32 resetctrl; /* 0x800 */
416 u32 resetstatus; /* 0x804 */
417 u32 resetreadid; /* 0x808 */
418 u32 resetwriteid; /* 0x80c */
420 u32 errlogctrl; /* 0x900 */
421 u32 errlogdone; /* 0x904 */
422 u32 errlogstatus; /* 0x908 */
423 u32 errlogaddrlo; /* 0x90c */
424 u32 errlogaddrhi; /* 0x910 */
425 u32 errlogid; /* 0x914 */
426 u32 errloguser; /* 0x918 */
427 u32 errlogflags; /* 0x91c */
429 u32 intstatus; /* 0xa00 */
431 u32 config; /* 0xe00 */
433 u32 itcr; /* 0xf00 */
435 u32 itipooba; /* 0xf10 */
436 u32 itipoobb; /* 0xf14 */
437 u32 itipoobc; /* 0xf18 */
438 u32 itipoobd; /* 0xf1c */
440 u32 itipoobaout; /* 0xf30 */
441 u32 itipoobbout; /* 0xf34 */
442 u32 itipoobcout; /* 0xf38 */
443 u32 itipoobdout; /* 0xf3c */
445 u32 itopooba; /* 0xf50 */
446 u32 itopoobb; /* 0xf54 */
447 u32 itopoobc; /* 0xf58 */
448 u32 itopoobd; /* 0xf5c */
450 u32 itopoobain; /* 0xf70 */
451 u32 itopoobbin; /* 0xf74 */
452 u32 itopoobcin; /* 0xf78 */
453 u32 itopoobdin; /* 0xf7c */
455 u32 itopreset; /* 0xf90 */
457 u32 peripherialid4; /* 0xfd0 */
458 u32 peripherialid5; /* 0xfd4 */
459 u32 peripherialid6; /* 0xfd8 */
460 u32 peripherialid7; /* 0xfdc */
461 u32 peripherialid0; /* 0xfe0 */
462 u32 peripherialid1; /* 0xfe4 */
463 u32 peripherialid2; /* 0xfe8 */
464 u32 peripherialid3; /* 0xfec */
465 u32 componentid0; /* 0xff0 */
466 u32 componentid1; /* 0xff4 */
467 u32 componentid2; /* 0xff8 */
468 u32 componentid3; /* 0xffc */
471 /* parse the enumeration rom to identify all cores */
472 static void ai_scan(struct si_pub *sih, struct bcma_bus *bus)
474 struct si_info *sii = (struct si_info *)sih;
475 struct bcma_device *core;
478 list_for_each_entry(core, &bus->cores, list) {
479 idx = core->core_index;
480 sii->cia[idx] = core->id.manuf << CIA_MFG_SHIFT;
481 sii->cia[idx] |= core->id.id << CIA_CID_SHIFT;
482 sii->cia[idx] |= core->id.class << CIA_CCL_SHIFT;
483 sii->cib[idx] = core->id.rev << CIB_REV_SHIFT;
484 sii->coreid[idx] = core->id.id;
485 sii->coresba[idx] = core->addr;
486 sii->coresba_size[idx] = 0x1000;
487 sii->coresba2[idx] = 0;
488 sii->coresba2_size[idx] = 0;
489 sii->wrapba[idx] = core->wrap;
494 static struct bcma_device *ai_find_bcma_core(struct si_pub *sih, uint coreidx)
496 struct si_info *sii = (struct si_info *)sih;
497 struct bcma_device *core;
499 list_for_each_entry(core, &sii->icbus->cores, list) {
500 if (core->core_index == coreidx)
506 * This function changes the logical "focus" to the indicated core.
507 * Return the current core's virtual address. Since each core starts with the
508 * same set of registers (BIST, clock control, etc), the returned address
509 * contains the first register of this 'common' register block (not to be
510 * confused with 'common core').
512 void __iomem *ai_setcoreidx(struct si_pub *sih, uint coreidx)
514 struct si_info *sii = (struct si_info *)sih;
515 struct bcma_device *core;
517 if (sii->curidx != coreidx) {
518 core = ai_find_bcma_core(sih, coreidx);
522 (void)bcma_aread32(core, BCMA_IOST);
523 sii->curidx = coreidx;
528 uint ai_corerev(struct si_pub *sih)
533 sii = (struct si_info *)sih;
534 cib = sii->cib[sii->curidx];
535 return (cib & CIB_REV_MASK) >> CIB_REV_SHIFT;
538 /* return true if PCIE capability exists in the pci config space */
539 static bool ai_ispcie(struct si_info *sii)
544 pcicore_find_pci_capability(sii->pcibus, PCI_CAP_ID_EXP, NULL,
552 static bool ai_buscore_prep(struct si_info *sii)
554 /* kludge to enable the clock on the 4306 which lacks a slowclock */
556 ai_clkctl_xtal(&sii->pub, XTAL | PLL, ON);
561 ai_buscore_setup(struct si_info *sii, struct bcma_device *cc)
565 uint pciidx, pcieidx, pcirev, pcierev;
567 /* get chipcommon rev */
568 sii->pub.ccrev = cc->id.rev;
570 /* get chipcommon chipstatus */
571 if (ai_get_ccrev(&sii->pub) >= 11)
572 sii->chipst = bcma_read32(cc, CHIPCREGOFFS(chipstatus));
574 /* get chipcommon capabilites */
575 sii->pub.cccaps = bcma_read32(cc, CHIPCREGOFFS(capabilities));
577 /* get pmu rev and caps */
578 if (ai_get_cccaps(&sii->pub) & CC_CAP_PMU) {
579 sii->pub.pmucaps = bcma_read32(cc,
580 CHIPCREGOFFS(pmucapabilities));
581 sii->pub.pmurev = sii->pub.pmucaps & PCAP_REV_MASK;
584 /* figure out bus/orignal core idx */
585 sii->pub.buscoretype = NODEV_CORE_ID;
586 sii->pub.buscorerev = NOREV;
587 sii->buscoreidx = BADIDX;
590 pcirev = pcierev = NOREV;
591 pciidx = pcieidx = BADIDX;
593 for (i = 0; i < sii->numcores; i++) {
596 ai_setcoreidx(&sii->pub, i);
597 cid = ai_coreid(&sii->pub);
598 crev = ai_corerev(&sii->pub);
600 if (cid == PCI_CORE_ID) {
604 } else if (cid == PCIE_CORE_ID) {
618 sii->pub.buscoretype = PCI_CORE_ID;
619 sii->pub.buscorerev = pcirev;
620 sii->buscoreidx = pciidx;
622 sii->pub.buscoretype = PCIE_CORE_ID;
623 sii->pub.buscorerev = pcierev;
624 sii->buscoreidx = pcieidx;
627 /* fixup necessary chip/core configurations */
629 sii->pch = pcicore_init(&sii->pub, sii->icbus->drv_pci.core);
630 if (sii->pch == NULL)
633 if (ai_pci_fixcfg(&sii->pub)) {
634 /* si_doattach: si_pci_fixcfg failed */
642 * get boardtype and boardrev
644 static __used void ai_nvram_process(struct si_info *sii)
648 /* do a pci config read to get subsystem id and subvendor id */
649 pci_read_config_dword(sii->pcibus, PCI_SUBSYSTEM_VENDOR_ID, &w);
651 sii->pub.boardvendor = w & 0xffff;
652 sii->pub.boardtype = (w >> 16) & 0xffff;
655 static struct si_info *ai_doattach(struct si_info *sii,
656 struct bcma_bus *pbus)
658 void __iomem *regs = pbus->mmio;
659 struct si_pub *sih = &sii->pub;
661 struct bcma_device *cc;
664 memset((unsigned char *) sii, 0, sizeof(struct si_info));
669 sii->buscoreidx = BADIDX;
670 sii->pcibus = pbus->host_pci;
672 sii->curwrap = sii->curmap + SI_CORE_SIZE;
674 /* switch to Chipcommon core */
675 cc = pbus->drv_cc.core;
677 /* bus/core/clk setup for register access */
678 if (!ai_buscore_prep(sii))
682 * ChipID recognition.
683 * We assume we can read chipid at offset 0 from the regs arg.
684 * If we add other chiptypes (or if we need to support old sdio
685 * hosts w/o chipcommon), some way of recognizing them needs to
688 w = bcma_read32(cc, CHIPCREGOFFS(chipid));
689 socitype = (w & CID_TYPE_MASK) >> CID_TYPE_SHIFT;
690 /* Might as wll fill in chip id rev & pkg */
691 sih->chip = w & CID_ID_MASK;
692 sih->chiprev = (w & CID_REV_MASK) >> CID_REV_SHIFT;
693 sih->chippkg = (w & CID_PKG_MASK) >> CID_PKG_SHIFT;
696 if (socitype == SOCI_AI) {
697 SI_MSG("Found chip type AI (0x%08x)\n", w);
698 /* pass chipc address instead of original core base */
699 ai_scan(&sii->pub, pbus);
701 /* Found chip of unknown type */
704 /* no cores found, bail out */
705 if (sii->numcores == 0)
708 /* bus/core/clk setup */
709 if (!ai_buscore_setup(sii, cc))
712 /* Init nvram from sprom/otp if they exist */
713 if (srom_var_init(&sii->pub))
716 ai_nvram_process(sii);
718 /* === NVRAM, clock is ready === */
719 bcma_write32(cc, CHIPCREGOFFS(gpiopullup), 0);
720 bcma_write32(cc, CHIPCREGOFFS(gpiopulldown), 0);
722 /* PMU specific initializations */
723 if (ai_get_cccaps(sih) & CC_CAP_PMU) {
725 (void)si_pmu_measure_alpclk(sih);
726 si_pmu_res_init(sih);
729 /* setup the GPIO based LED powersave register */
730 w = getintvar(sih, BRCMS_SROM_LEDDC);
732 w = DEFAULT_GPIOTIMERVAL;
733 ai_cc_reg(sih, offsetof(struct chipcregs, gpiotimerval),
737 pcicore_attach(sii->pch, SI_DOATTACH);
739 if (ai_get_chip_id(sih) == BCM43224_CHIP_ID) {
741 * enable 12 mA drive strenth for 43224 and
742 * set chipControl register bit 15
744 if (ai_get_chiprev(sih) == 0) {
745 SI_MSG("Applying 43224A0 WARs\n");
746 ai_cc_reg(sih, offsetof(struct chipcregs, chipcontrol),
747 CCTRL43224_GPIO_TOGGLE,
748 CCTRL43224_GPIO_TOGGLE);
749 si_pmu_chipcontrol(sih, 0, CCTRL_43224A0_12MA_LED_DRIVE,
750 CCTRL_43224A0_12MA_LED_DRIVE);
752 if (ai_get_chiprev(sih) >= 1) {
753 SI_MSG("Applying 43224B0+ WARs\n");
754 si_pmu_chipcontrol(sih, 0, CCTRL_43224B0_12MA_LED_DRIVE,
755 CCTRL_43224B0_12MA_LED_DRIVE);
759 if (ai_get_chip_id(sih) == BCM4313_CHIP_ID) {
761 * enable 12 mA drive strenth for 4313 and
762 * set chipControl register bit 1
764 SI_MSG("Applying 4313 WARs\n");
765 si_pmu_chipcontrol(sih, 0, CCTRL_4313_12MA_LED_DRIVE,
766 CCTRL_4313_12MA_LED_DRIVE);
773 pcicore_deinit(sii->pch);
780 * Allocate a si handle and do the attach.
783 ai_attach(struct bcma_bus *pbus)
787 /* alloc struct si_info */
788 sii = kmalloc(sizeof(struct si_info), GFP_ATOMIC);
792 if (ai_doattach(sii, pbus) == NULL) {
797 return (struct si_pub *) sii;
800 /* may be called with core in reset */
801 void ai_detach(struct si_pub *sih)
805 struct si_pub *si_local = NULL;
806 memcpy(&si_local, &sih, sizeof(struct si_pub **));
808 sii = (struct si_info *)sih;
814 pcicore_deinit(sii->pch);
821 /* register driver interrupt disabling and restoring callback functions */
823 ai_register_intr_callback(struct si_pub *sih, void *intrsoff_fn,
824 void *intrsrestore_fn,
825 void *intrsenabled_fn, void *intr_arg)
829 sii = (struct si_info *)sih;
830 sii->intr_arg = intr_arg;
831 sii->intrsoff_fn = (u32 (*)(void *)) intrsoff_fn;
832 sii->intrsrestore_fn = (void (*) (void *, u32)) intrsrestore_fn;
833 sii->intrsenabled_fn = (bool (*)(void *)) intrsenabled_fn;
834 /* save current core id. when this function called, the current core
835 * must be the core which provides driver functions(il, et, wl, etc.)
837 sii->dev_coreid = sii->coreid[sii->curidx];
840 void ai_deregister_intr_callback(struct si_pub *sih)
844 sii = (struct si_info *)sih;
845 sii->intrsoff_fn = NULL;
848 uint ai_coreid(struct si_pub *sih)
852 sii = (struct si_info *)sih;
853 return sii->coreid[sii->curidx];
856 uint ai_coreidx(struct si_pub *sih)
860 sii = (struct si_info *)sih;
864 /* return index of coreid or BADIDX if not found */
865 struct bcma_device *ai_findcore(struct si_pub *sih, u16 coreid, u16 coreunit)
867 struct bcma_device *core;
871 sii = (struct si_info *)sih;
875 list_for_each_entry(core, &sii->icbus->cores, list)
876 if (core->id.id == coreid) {
877 if (found == coreunit)
886 * This function changes logical "focus" to the indicated core;
887 * must be called with interrupts off.
888 * Moreover, callers should keep interrupts off during switching
889 * out of and back to d11 core.
891 void __iomem *ai_setcore(struct si_pub *sih, uint coreid, uint coreunit)
893 struct bcma_device *core;
895 core = ai_findcore(sih, coreid, coreunit);
899 return ai_setcoreidx(sih, core->core_index);
902 /* Turn off interrupt as required by ai_setcore, before switch core */
903 void __iomem *ai_switch_core(struct si_pub *sih, uint coreid, uint *origidx,
909 sii = (struct si_info *)sih;
911 INTR_OFF(sii, *intr_val);
912 *origidx = sii->curidx;
913 cc = ai_setcore(sih, coreid, 0);
917 /* restore coreidx and restore interrupt */
918 void ai_restore_core(struct si_pub *sih, uint coreid, uint intr_val)
922 sii = (struct si_info *)sih;
924 ai_setcoreidx(sih, coreid);
925 INTR_RESTORE(sii, intr_val);
929 * Switch to 'coreidx', issue a single arbitrary 32bit register mask&set
930 * operation, switch back to the original core, and return the new value.
932 * When using the silicon backplane, no fiddling with interrupts or core
933 * switches is needed.
935 * Also, when using pci/pcie, we can optimize away the core switching for pci
936 * registers and (on newer pci cores) chipcommon registers.
938 uint ai_cc_reg(struct si_pub *sih, uint regoff, u32 mask, u32 val)
940 struct bcma_device *cc;
945 sii = (struct si_info *)sih;
946 cc = sii->icbus->drv_cc.core;
948 /* save current core index */
949 origidx = ai_coreidx(&sii->pub);
953 bcma_maskset32(cc, regoff, ~mask, val);
957 w = bcma_read32(cc, regoff);
959 /* restore core index */
960 ai_setcoreidx(&sii->pub, origidx);
965 /* return the slow clock source - LPO, XTAL, or PCI */
966 static uint ai_slowclk_src(struct si_pub *sih, struct bcma_device *cc)
971 sii = (struct si_info *)sih;
972 if (ai_get_ccrev(&sii->pub) < 6) {
973 pci_read_config_dword(sii->pcibus, PCI_GPIO_OUT,
975 if (val & PCI_CFG_GPIO_SCS)
978 } else if (ai_get_ccrev(&sii->pub) < 10) {
979 return bcma_read32(cc, CHIPCREGOFFS(slow_clk_ctl)) &
981 } else /* Insta-clock */
986 * return the ILP (slowclock) min or max frequency
987 * precondition: we've established the chip has dynamic clk control
989 static uint ai_slowclk_freq(struct si_pub *sih, bool max_freq,
990 struct bcma_device *cc)
995 slowclk = ai_slowclk_src(sih, cc);
996 if (ai_get_ccrev(sih) < 6) {
997 if (slowclk == SCC_SS_PCI)
998 return max_freq ? (PCIMAXFREQ / 64)
1001 return max_freq ? (XTALMAXFREQ / 32)
1002 : (XTALMINFREQ / 32);
1003 } else if (ai_get_ccrev(sih) < 10) {
1005 (((bcma_read32(cc, CHIPCREGOFFS(slow_clk_ctl)) &
1006 SCC_CD_MASK) >> SCC_CD_SHIFT) + 1);
1007 if (slowclk == SCC_SS_LPO)
1008 return max_freq ? LPOMAXFREQ : LPOMINFREQ;
1009 else if (slowclk == SCC_SS_XTAL)
1010 return max_freq ? (XTALMAXFREQ / div)
1011 : (XTALMINFREQ / div);
1012 else if (slowclk == SCC_SS_PCI)
1013 return max_freq ? (PCIMAXFREQ / div)
1014 : (PCIMINFREQ / div);
1016 /* Chipc rev 10 is InstaClock */
1017 div = bcma_read32(cc, CHIPCREGOFFS(system_clk_ctl));
1018 div = 4 * ((div >> SYCC_CD_SHIFT) + 1);
1019 return max_freq ? XTALMAXFREQ : (XTALMINFREQ / div);
1025 ai_clkctl_setdelay(struct si_pub *sih, struct bcma_device *cc)
1027 uint slowmaxfreq, pll_delay, slowclk;
1028 uint pll_on_delay, fref_sel_delay;
1030 pll_delay = PLL_DELAY;
1033 * If the slow clock is not sourced by the xtal then
1034 * add the xtal_on_delay since the xtal will also be
1035 * powered down by dynamic clk control logic.
1038 slowclk = ai_slowclk_src(sih, cc);
1039 if (slowclk != SCC_SS_XTAL)
1040 pll_delay += XTAL_ON_DELAY;
1042 /* Starting with 4318 it is ILP that is used for the delays */
1044 ai_slowclk_freq(sih,
1045 (ai_get_ccrev(sih) >= 10) ? false : true, cc);
1047 pll_on_delay = ((slowmaxfreq * pll_delay) + 999999) / 1000000;
1048 fref_sel_delay = ((slowmaxfreq * FREF_DELAY) + 999999) / 1000000;
1050 bcma_write32(cc, CHIPCREGOFFS(pll_on_delay), pll_on_delay);
1051 bcma_write32(cc, CHIPCREGOFFS(fref_sel_delay), fref_sel_delay);
1054 /* initialize power control delay registers */
1055 void ai_clkctl_init(struct si_pub *sih)
1057 struct bcma_device *cc;
1059 if (!(ai_get_cccaps(sih) & CC_CAP_PWR_CTL))
1062 cc = ai_findcore(sih, BCMA_CORE_CHIPCOMMON, 0);
1066 /* set all Instaclk chip ILP to 1 MHz */
1067 if (ai_get_ccrev(sih) >= 10)
1068 bcma_maskset32(cc, CHIPCREGOFFS(system_clk_ctl), SYCC_CD_MASK,
1069 (ILP_DIV_1MHZ << SYCC_CD_SHIFT));
1071 ai_clkctl_setdelay(sih, cc);
1075 * return the value suitable for writing to the
1076 * dot11 core FAST_PWRUP_DELAY register
1078 u16 ai_clkctl_fast_pwrup_delay(struct si_pub *sih)
1080 struct si_info *sii;
1081 struct bcma_device *cc;
1085 sii = (struct si_info *)sih;
1086 if (ai_get_cccaps(sih) & CC_CAP_PMU) {
1087 fpdelay = si_pmu_fast_pwrup_delay(sih);
1091 if (!(ai_get_cccaps(sih) & CC_CAP_PWR_CTL))
1095 cc = ai_findcore(sih, CC_CORE_ID, 0);
1097 slowminfreq = ai_slowclk_freq(sih, false, cc);
1098 fpdelay = (((bcma_read32(cc, CHIPCREGOFFS(pll_on_delay)) + 2)
1099 * 1000000) + (slowminfreq - 1)) / slowminfreq;
1104 /* turn primary xtal and/or pll off/on */
1105 int ai_clkctl_xtal(struct si_pub *sih, uint what, bool on)
1107 struct si_info *sii;
1110 sii = (struct si_info *)sih;
1112 /* pcie core doesn't have any mapping to control the xtal pu */
1116 pci_read_config_dword(sii->pcibus, PCI_GPIO_IN, &in);
1117 pci_read_config_dword(sii->pcibus, PCI_GPIO_OUT, &out);
1118 pci_read_config_dword(sii->pcibus, PCI_GPIO_OUTEN, &outen);
1121 * Avoid glitching the clock if GPRS is already using it.
1122 * We can't actually read the state of the PLLPD so we infer it
1123 * by the value of XTAL_PU which *is* readable via gpioin.
1125 if (on && (in & PCI_CFG_GPIO_XTAL))
1129 outen |= PCI_CFG_GPIO_XTAL;
1131 outen |= PCI_CFG_GPIO_PLL;
1134 /* turn primary xtal on */
1136 out |= PCI_CFG_GPIO_XTAL;
1138 out |= PCI_CFG_GPIO_PLL;
1139 pci_write_config_dword(sii->pcibus,
1141 pci_write_config_dword(sii->pcibus,
1142 PCI_GPIO_OUTEN, outen);
1143 udelay(XTAL_ON_DELAY);
1148 out &= ~PCI_CFG_GPIO_PLL;
1149 pci_write_config_dword(sii->pcibus,
1155 out &= ~PCI_CFG_GPIO_XTAL;
1157 out |= PCI_CFG_GPIO_PLL;
1158 pci_write_config_dword(sii->pcibus,
1160 pci_write_config_dword(sii->pcibus,
1161 PCI_GPIO_OUTEN, outen);
1167 /* clk control mechanism through chipcommon, no policy checking */
1168 static bool _ai_clkctl_cc(struct si_info *sii, uint mode)
1170 struct bcma_device *cc;
1173 /* chipcommon cores prior to rev6 don't support dynamic clock control */
1174 if (ai_get_ccrev(&sii->pub) < 6)
1177 cc = ai_findcore(&sii->pub, BCMA_CORE_CHIPCOMMON, 0);
1179 if (!(ai_get_cccaps(&sii->pub) & CC_CAP_PWR_CTL) &&
1180 (ai_get_ccrev(&sii->pub) < 20))
1181 return mode == CLK_FAST;
1184 case CLK_FAST: /* FORCEHT, fast (pll) clock */
1185 if (ai_get_ccrev(&sii->pub) < 10) {
1187 * don't forget to force xtal back
1188 * on before we clear SCC_DYN_XTAL..
1190 ai_clkctl_xtal(&sii->pub, XTAL, ON);
1191 bcma_maskset32(cc, CHIPCREGOFFS(slow_clk_ctl),
1192 (SCC_XC | SCC_FS | SCC_IP), SCC_IP);
1193 } else if (ai_get_ccrev(&sii->pub) < 20) {
1194 bcma_set32(cc, CHIPCREGOFFS(system_clk_ctl), SYCC_HR);
1196 bcma_set32(cc, CHIPCREGOFFS(clk_ctl_st), CCS_FORCEHT);
1199 /* wait for the PLL */
1200 if (ai_get_cccaps(&sii->pub) & CC_CAP_PMU) {
1201 u32 htavail = CCS_HTAVAIL;
1202 SPINWAIT(((bcma_read32(cc, CHIPCREGOFFS(clk_ctl_st)) &
1203 htavail) == 0), PMU_MAX_TRANSITION_DLY);
1209 case CLK_DYNAMIC: /* enable dynamic clock control */
1210 if (ai_get_ccrev(&sii->pub) < 10) {
1211 scc = bcma_read32(cc, CHIPCREGOFFS(slow_clk_ctl));
1212 scc &= ~(SCC_FS | SCC_IP | SCC_XC);
1213 if ((scc & SCC_SS_MASK) != SCC_SS_XTAL)
1215 bcma_write32(cc, CHIPCREGOFFS(slow_clk_ctl), scc);
1218 * for dynamic control, we have to
1219 * release our xtal_pu "force on"
1222 ai_clkctl_xtal(&sii->pub, XTAL, OFF);
1223 } else if (ai_get_ccrev(&sii->pub) < 20) {
1225 bcma_mask32(cc, CHIPCREGOFFS(system_clk_ctl), ~SYCC_HR);
1227 bcma_mask32(cc, CHIPCREGOFFS(clk_ctl_st), ~CCS_FORCEHT);
1235 return mode == CLK_FAST;
1239 * clock control policy function throught chipcommon
1241 * set dynamic clk control mode (forceslow, forcefast, dynamic)
1242 * returns true if we are forcing fast clock
1243 * this is a wrapper over the next internal function
1244 * to allow flexible policy settings for outside caller
1246 bool ai_clkctl_cc(struct si_pub *sih, uint mode)
1248 struct si_info *sii;
1250 sii = (struct si_info *)sih;
1252 /* chipcommon cores prior to rev6 don't support dynamic clock control */
1253 if (ai_get_ccrev(sih) < 6)
1256 if (PCI_FORCEHT(sih))
1257 return mode == CLK_FAST;
1259 return _ai_clkctl_cc(sii, mode);
1262 void ai_pci_up(struct si_pub *sih)
1264 struct si_info *sii;
1266 sii = (struct si_info *)sih;
1268 if (PCI_FORCEHT(sih))
1269 _ai_clkctl_cc(sii, CLK_FAST);
1272 pcicore_up(sii->pch, SI_PCIUP);
1276 /* Unconfigure and/or apply various WARs when system is going to sleep mode */
1277 void ai_pci_sleep(struct si_pub *sih)
1279 struct si_info *sii;
1281 sii = (struct si_info *)sih;
1283 pcicore_sleep(sii->pch);
1286 /* Unconfigure and/or apply various WARs when going down */
1287 void ai_pci_down(struct si_pub *sih)
1289 struct si_info *sii;
1291 sii = (struct si_info *)sih;
1293 /* release FORCEHT since chip is going to "down" state */
1294 if (PCI_FORCEHT(sih))
1295 _ai_clkctl_cc(sii, CLK_DYNAMIC);
1297 pcicore_down(sii->pch, SI_PCIDOWN);
1301 * Configure the pci core for pci client (NIC) action
1302 * coremask is the bitvec of cores by index to be enabled.
1304 void ai_pci_setup(struct si_pub *sih, uint coremask)
1306 struct si_info *sii;
1307 struct sbpciregs __iomem *regs = NULL;
1311 sii = (struct si_info *)sih;
1314 /* get current core index */
1317 /* switch over to pci core */
1318 regs = ai_setcoreidx(sih, sii->buscoreidx);
1322 * Enable sb->pci interrupts. Assume
1323 * PCI rev 2.3 support was added in pci core rev 6 and things changed..
1325 if (PCIE(sih) || (PCI(sih) && (ai_get_buscorerev(sih) >= 6))) {
1326 /* pci config write to set this core bit in PCIIntMask */
1327 pci_read_config_dword(sii->pcibus, PCI_INT_MASK, &w);
1328 w |= (coremask << PCI_SBIM_SHIFT);
1329 pci_write_config_dword(sii->pcibus, PCI_INT_MASK, w);
1333 pcicore_pci_setup(sii->pch);
1335 /* switch back to previous core */
1336 ai_setcoreidx(sih, idx);
1341 * Fixup SROMless PCI device's configuration.
1342 * The current core may be changed upon return.
1344 int ai_pci_fixcfg(struct si_pub *sih)
1347 void __iomem *regs = NULL;
1348 struct si_info *sii = (struct si_info *)sih;
1350 /* Fixup PI in SROM shadow area to enable the correct PCI core access */
1351 /* save the current index */
1352 origidx = ai_coreidx(&sii->pub);
1354 /* check 'pi' is correct and fix it if not */
1355 regs = ai_setcore(&sii->pub, ai_get_buscoretype(sih), 0);
1356 pcicore_fixcfg(sii->pch);
1358 /* restore the original index */
1359 ai_setcoreidx(&sii->pub, origidx);
1361 pcicore_hwup(sii->pch);
1365 /* mask&set gpiocontrol bits */
1366 u32 ai_gpiocontrol(struct si_pub *sih, u32 mask, u32 val, u8 priority)
1370 regoff = offsetof(struct chipcregs, gpiocontrol);
1371 return ai_cc_reg(sih, regoff, mask, val);
1374 void ai_chipcontrl_epa4331(struct si_pub *sih, bool on)
1376 struct bcma_device *cc;
1379 cc = ai_findcore(sih, CC_CORE_ID, 0);
1382 if (ai_get_chippkg(sih) == 9 || ai_get_chippkg(sih) == 0xb)
1383 /* Ext PA Controls for 4331 12x9 Package */
1384 bcma_set32(cc, CHIPCREGOFFS(chipcontrol),
1385 CCTRL4331_EXTPA_EN |
1386 CCTRL4331_EXTPA_ON_GPIO2_5);
1388 /* Ext PA Controls for 4331 12x12 Package */
1389 bcma_set32(cc, CHIPCREGOFFS(chipcontrol),
1390 CCTRL4331_EXTPA_EN);
1392 val &= ~(CCTRL4331_EXTPA_EN | CCTRL4331_EXTPA_ON_GPIO2_5);
1393 bcma_mask32(cc, CHIPCREGOFFS(chipcontrol),
1394 ~(CCTRL4331_EXTPA_EN | CCTRL4331_EXTPA_ON_GPIO2_5));
1398 /* Enable BT-COEX & Ex-PA for 4313 */
1399 void ai_epa_4313war(struct si_pub *sih)
1401 struct bcma_device *cc;
1403 cc = ai_findcore(sih, CC_CORE_ID, 0);
1406 bcma_set32(cc, CHIPCREGOFFS(gpiocontrol), GPIO_CTRL_EPA_EN_MASK);
1409 /* check if the device is removed */
1410 bool ai_deviceremoved(struct si_pub *sih)
1413 struct si_info *sii;
1415 sii = (struct si_info *)sih;
1417 pci_read_config_dword(sii->pcibus, PCI_VENDOR_ID, &w);
1418 if ((w & 0xFFFF) != PCI_VENDOR_ID_BROADCOM)
1424 bool ai_is_sprom_available(struct si_pub *sih)
1426 struct si_info *sii = (struct si_info *)sih;
1428 if (ai_get_ccrev(sih) >= 31) {
1429 struct bcma_device *cc;
1432 if ((ai_get_cccaps(sih) & CC_CAP_SROM) == 0)
1435 cc = ai_findcore(sih, BCMA_CORE_CHIPCOMMON, 0);
1436 sromctrl = bcma_read32(cc, CHIPCREGOFFS(sromcontrol));
1437 return sromctrl & SRC_PRESENT;
1440 switch (ai_get_chip_id(sih)) {
1441 case BCM4313_CHIP_ID:
1442 return (sii->chipst & CST4313_SPROM_PRESENT) != 0;
1448 bool ai_is_otp_disabled(struct si_pub *sih)
1450 struct si_info *sii = (struct si_info *)sih;
1452 switch (ai_get_chip_id(sih)) {
1453 case BCM4313_CHIP_ID:
1454 return (sii->chipst & CST4313_OTP_PRESENT) == 0;
1455 /* These chips always have their OTP on */
1456 case BCM43224_CHIP_ID:
1457 case BCM43225_CHIP_ID: