/* * Copyright (c) 2010 Broadcom Corporation * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include #include #include "pub.h" #include "nicpci.h" #include "aiutils.h" #include "otp.h" #include "srom.h" #include "soc.h" /* * SROM CRC8 polynomial value: * * x^8 + x^7 +x^6 + x^4 + x^2 + 1 */ #define SROM_CRC8_POLY 0xAB /* Maximum srom: 6 Kilobits == 768 bytes */ #define SROM_MAX 768 /* PCI fields */ #define PCI_F0DEVID 48 #define SROM_WORDS 64 #define SROM_SSID 2 #define SROM_WL1LHMAXP 29 #define SROM_WL1LPAB0 30 #define SROM_WL1LPAB1 31 #define SROM_WL1LPAB2 32 #define SROM_WL1HPAB0 33 #define SROM_WL1HPAB1 34 #define SROM_WL1HPAB2 35 #define SROM_MACHI_IL0 36 #define SROM_MACMID_IL0 37 #define SROM_MACLO_IL0 38 #define SROM_MACHI_ET1 42 #define SROM_MACMID_ET1 43 #define SROM_MACLO_ET1 44 #define SROM_BXARSSI2G 40 #define SROM_BXARSSI5G 41 #define SROM_TRI52G 42 #define SROM_TRI5GHL 43 #define SROM_RXPO52G 45 #define SROM_AABREV 46 /* Fields in AABREV */ #define SROM_BR_MASK 0x00ff #define SROM_CC_MASK 0x0f00 #define SROM_CC_SHIFT 8 #define SROM_AA0_MASK 0x3000 #define SROM_AA0_SHIFT 12 #define SROM_AA1_MASK 0xc000 #define SROM_AA1_SHIFT 14 #define SROM_WL0PAB0 47 #define SROM_WL0PAB1 48 #define SROM_WL0PAB2 49 #define SROM_LEDBH10 50 #define SROM_LEDBH32 51 #define SROM_WL10MAXP 52 #define SROM_WL1PAB0 53 #define SROM_WL1PAB1 54 #define SROM_WL1PAB2 55 #define SROM_ITT 56 #define SROM_BFL 57 #define SROM_BFL2 28 #define SROM_AG10 58 #define SROM_CCODE 59 #define SROM_OPO 60 #define SROM_CRCREV 63 #define SROM4_WORDS 220 #define SROM4_TXCHAIN_MASK 0x000f #define SROM4_RXCHAIN_MASK 0x00f0 #define SROM4_SWITCH_MASK 0xff00 /* Per-path fields */ #define MAX_PATH_SROM 4 #define SROM4_CRCREV 219 /* SROM Rev 8: Make space for a 48word hardware header for PCIe rev >= 6. * This is acombined srom for both MIMO and SISO boards, usable in * the .130 4Kilobit OTP with hardware redundancy. */ #define SROM8_BREV 65 #define SROM8_BFL0 66 #define SROM8_BFL1 67 #define SROM8_BFL2 68 #define SROM8_BFL3 69 #define SROM8_MACHI 70 #define SROM8_MACMID 71 #define SROM8_MACLO 72 #define SROM8_CCODE 73 #define SROM8_REGREV 74 #define SROM8_LEDBH10 75 #define SROM8_LEDBH32 76 #define SROM8_LEDDC 77 #define SROM8_AA 78 #define SROM8_AG10 79 #define SROM8_AG32 80 #define SROM8_TXRXC 81 #define SROM8_BXARSSI2G 82 #define SROM8_BXARSSI5G 83 #define SROM8_TRI52G 84 #define SROM8_TRI5GHL 85 #define SROM8_RXPO52G 86 #define SROM8_FEM2G 87 #define SROM8_FEM5G 88 #define SROM8_FEM_ANTSWLUT_MASK 0xf800 #define SROM8_FEM_ANTSWLUT_SHIFT 11 #define SROM8_FEM_TR_ISO_MASK 0x0700 #define SROM8_FEM_TR_ISO_SHIFT 8 #define SROM8_FEM_PDET_RANGE_MASK 0x00f8 #define SROM8_FEM_PDET_RANGE_SHIFT 3 #define SROM8_FEM_EXTPA_GAIN_MASK 0x0006 #define SROM8_FEM_EXTPA_GAIN_SHIFT 1 #define SROM8_FEM_TSSIPOS_MASK 0x0001 #define SROM8_FEM_TSSIPOS_SHIFT 0 #define SROM8_THERMAL 89 /* Temp sense related entries */ #define SROM8_MPWR_RAWTS 90 #define SROM8_TS_SLP_OPT_CORRX 91 /* FOC: freiquency offset correction, HWIQ: H/W IOCAL enable, * IQSWP: IQ CAL swap disable */ #define SROM8_FOC_HWIQ_IQSWP 92 /* Temperature delta for PHY calibration */ #define SROM8_PHYCAL_TEMPDELTA 93 /* Per-path offsets & fields */ #define SROM8_PATH0 96 #define SROM8_PATH1 112 #define SROM8_PATH2 128 #define SROM8_PATH3 144 #define SROM8_2G_ITT_MAXP 0 #define SROM8_2G_PA 1 #define SROM8_5G_ITT_MAXP 4 #define SROM8_5GLH_MAXP 5 #define SROM8_5G_PA 6 #define SROM8_5GL_PA 9 #define SROM8_5GH_PA 12 /* All the miriad power offsets */ #define SROM8_2G_CCKPO 160 #define SROM8_2G_OFDMPO 161 #define SROM8_5G_OFDMPO 163 #define SROM8_5GL_OFDMPO 165 #define SROM8_5GH_OFDMPO 167 #define SROM8_2G_MCSPO 169 #define SROM8_5G_MCSPO 177 #define SROM8_5GL_MCSPO 185 #define SROM8_5GH_MCSPO 193 #define SROM8_CDDPO 201 #define SROM8_STBCPO 202 #define SROM8_BW40PO 203 #define SROM8_BWDUPPO 204 /* SISO PA parameters are in the path0 spaces */ #define SROM8_SISO 96 /* Legacy names for SISO PA paramters */ #define SROM8_W0_ITTMAXP (SROM8_SISO + SROM8_2G_ITT_MAXP) #define SROM8_W0_PAB0 (SROM8_SISO + SROM8_2G_PA) #define SROM8_W0_PAB1 (SROM8_SISO + SROM8_2G_PA + 1) #define SROM8_W0_PAB2 (SROM8_SISO + SROM8_2G_PA + 2) #define SROM8_W1_ITTMAXP (SROM8_SISO + SROM8_5G_ITT_MAXP) #define SROM8_W1_MAXP_LCHC (SROM8_SISO + SROM8_5GLH_MAXP) #define SROM8_W1_PAB0 (SROM8_SISO + SROM8_5G_PA) #define SROM8_W1_PAB1 (SROM8_SISO + SROM8_5G_PA + 1) #define SROM8_W1_PAB2 (SROM8_SISO + SROM8_5G_PA + 2) #define SROM8_W1_PAB0_LC (SROM8_SISO + SROM8_5GL_PA) #define SROM8_W1_PAB1_LC (SROM8_SISO + SROM8_5GL_PA + 1) #define SROM8_W1_PAB2_LC (SROM8_SISO + SROM8_5GL_PA + 2) #define SROM8_W1_PAB0_HC (SROM8_SISO + SROM8_5GH_PA) #define SROM8_W1_PAB1_HC (SROM8_SISO + SROM8_5GH_PA + 1) #define SROM8_W1_PAB2_HC (SROM8_SISO + SROM8_5GH_PA + 2) /* SROM REV 9 */ #define SROM9_2GPO_CCKBW20 160 #define SROM9_2GPO_CCKBW20UL 161 #define SROM9_2GPO_LOFDMBW20 162 #define SROM9_2GPO_LOFDMBW20UL 164 #define SROM9_5GLPO_LOFDMBW20 166 #define SROM9_5GLPO_LOFDMBW20UL 168 #define SROM9_5GMPO_LOFDMBW20 170 #define SROM9_5GMPO_LOFDMBW20UL 172 #define SROM9_5GHPO_LOFDMBW20 174 #define SROM9_5GHPO_LOFDMBW20UL 176 #define SROM9_2GPO_MCSBW20 178 #define SROM9_2GPO_MCSBW20UL 180 #define SROM9_2GPO_MCSBW40 182 #define SROM9_5GLPO_MCSBW20 184 #define SROM9_5GLPO_MCSBW20UL 186 #define SROM9_5GLPO_MCSBW40 188 #define SROM9_5GMPO_MCSBW20 190 #define SROM9_5GMPO_MCSBW20UL 192 #define SROM9_5GMPO_MCSBW40 194 #define SROM9_5GHPO_MCSBW20 196 #define SROM9_5GHPO_MCSBW20UL 198 #define SROM9_5GHPO_MCSBW40 200 #define SROM9_PO_MCS32 202 #define SROM9_PO_LOFDM40DUP 203 /* SROM flags (see sromvar_t) */ /* value continues as described by the next entry */ #define SRFL_MORE 1 #define SRFL_NOFFS 2 /* value bits can't be all one's */ #define SRFL_PRHEX 4 /* value is in hexdecimal format */ #define SRFL_PRSIGN 8 /* value is in signed decimal format */ #define SRFL_CCODE 0x10 /* value is in country code format */ #define SRFL_ETHADDR 0x20 /* value is an Ethernet address */ #define SRFL_LEDDC 0x40 /* value is an LED duty cycle */ /* do not generate a nvram param, entry is for mfgc */ #define SRFL_NOVAR 0x80 /* Max. nvram variable table size */ #define MAXSZ_NVRAM_VARS 4096 /* * indicates type of value. */ enum brcms_srom_var_type { BRCMS_SROM_STRING, BRCMS_SROM_SNUMBER, BRCMS_SROM_UNUMBER }; /* * storage type for srom variable. * * var_list: for linked list operations. * varid: identifier of the variable. * var_type: type of variable. * buf: variable value when var_type == BRCMS_SROM_STRING. * uval: unsigned variable value when var_type == BRCMS_SROM_UNUMBER. * sval: signed variable value when var_type == BRCMS_SROM_SNUMBER. */ struct brcms_srom_list_head { struct list_head var_list; enum brcms_srom_id varid; enum brcms_srom_var_type var_type; union { char buf[0]; u32 uval; s32 sval; }; }; struct brcms_sromvar { enum brcms_srom_id varid; u32 revmask; u32 flags; u16 off; u16 mask; }; struct brcms_varbuf { char *base; /* pointer to buffer base */ char *buf; /* pointer to current position */ unsigned int size; /* current (residual) size in bytes */ }; /* * Assumptions: * - Ethernet address spans across 3 consecutive words * * Table rules: * - Add multiple entries next to each other if a value spans across multiple * words (even multiple fields in the same word) with each entry except the * last having it's SRFL_MORE bit set. * - Ethernet address entry does not follow above rule and must not have * SRFL_MORE bit set. Its SRFL_ETHADDR bit implies it takes multiple words. * - The last entry's name field must be NULL to indicate the end of the table. * Other entries must have non-NULL name. */ static const struct brcms_sromvar pci_sromvars[] = { {BRCMS_SROM_DEVID, 0xffffff00, SRFL_PRHEX | SRFL_NOVAR, PCI_F0DEVID, 0xffff}, {BRCMS_SROM_BOARDREV, 0xffffff00, SRFL_PRHEX, SROM8_BREV, 0xffff}, {BRCMS_SROM_BOARDFLAGS, 0xffffff00, SRFL_PRHEX | SRFL_MORE, SROM8_BFL0, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM8_BFL1, 0xffff}, {BRCMS_SROM_BOARDFLAGS2, 0xffffff00, SRFL_PRHEX | SRFL_MORE, SROM8_BFL2, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM8_BFL3, 0xffff}, {BRCMS_SROM_BOARDTYPE, 0xfffffffc, SRFL_PRHEX, SROM_SSID, 0xffff}, {BRCMS_SROM_BOARDNUM, 0xffffff00, 0, SROM8_MACLO, 0xffff}, {BRCMS_SROM_REGREV, 0xffffff00, 0, SROM8_REGREV, 0x00ff}, {BRCMS_SROM_LEDBH0, 0xffffff00, SRFL_NOFFS, SROM8_LEDBH10, 0x00ff}, {BRCMS_SROM_LEDBH1, 0xffffff00, SRFL_NOFFS, SROM8_LEDBH10, 0xff00}, {BRCMS_SROM_LEDBH2, 0xffffff00, SRFL_NOFFS, SROM8_LEDBH32, 0x00ff}, {BRCMS_SROM_LEDBH3, 0xffffff00, SRFL_NOFFS, SROM8_LEDBH32, 0xff00}, {BRCMS_SROM_PA0B0, 0xffffff00, SRFL_PRHEX, SROM8_W0_PAB0, 0xffff}, {BRCMS_SROM_PA0B1, 0xffffff00, SRFL_PRHEX, SROM8_W0_PAB1, 0xffff}, {BRCMS_SROM_PA0B2, 0xffffff00, SRFL_PRHEX, SROM8_W0_PAB2, 0xffff}, {BRCMS_SROM_PA0ITSSIT, 0xffffff00, 0, SROM8_W0_ITTMAXP, 0xff00}, {BRCMS_SROM_PA0MAXPWR, 0xffffff00, 0, SROM8_W0_ITTMAXP, 0x00ff}, {BRCMS_SROM_OPO, 0xffffff00, 0, SROM8_2G_OFDMPO, 0x00ff}, {BRCMS_SROM_AA2G, 0xffffff00, 0, SROM8_AA, 0x00ff}, {BRCMS_SROM_AA5G, 0xffffff00, 0, SROM8_AA, 0xff00}, {BRCMS_SROM_AG0, 0xffffff00, 0, SROM8_AG10, 0x00ff}, {BRCMS_SROM_AG1, 0xffffff00, 0, SROM8_AG10, 0xff00}, {BRCMS_SROM_AG2, 0xffffff00, 0, SROM8_AG32, 0x00ff}, {BRCMS_SROM_AG3, 0xffffff00, 0, SROM8_AG32, 0xff00}, {BRCMS_SROM_PA1B0, 0xffffff00, SRFL_PRHEX, SROM8_W1_PAB0, 0xffff}, {BRCMS_SROM_PA1B1, 0xffffff00, SRFL_PRHEX, SROM8_W1_PAB1, 0xffff}, {BRCMS_SROM_PA1B2, 0xffffff00, SRFL_PRHEX, SROM8_W1_PAB2, 0xffff}, {BRCMS_SROM_PA1LOB0, 0xffffff00, SRFL_PRHEX, SROM8_W1_PAB0_LC, 0xffff}, {BRCMS_SROM_PA1LOB1, 0xffffff00, SRFL_PRHEX, SROM8_W1_PAB1_LC, 0xffff}, {BRCMS_SROM_PA1LOB2, 0xffffff00, SRFL_PRHEX, SROM8_W1_PAB2_LC, 0xffff}, {BRCMS_SROM_PA1HIB0, 0xffffff00, SRFL_PRHEX, SROM8_W1_PAB0_HC, 0xffff}, {BRCMS_SROM_PA1HIB1, 0xffffff00, SRFL_PRHEX, SROM8_W1_PAB1_HC, 0xffff}, {BRCMS_SROM_PA1HIB2, 0xffffff00, SRFL_PRHEX, SROM8_W1_PAB2_HC, 0xffff}, {BRCMS_SROM_PA1ITSSIT, 0xffffff00, 0, SROM8_W1_ITTMAXP, 0xff00}, {BRCMS_SROM_PA1MAXPWR, 0xffffff00, 0, SROM8_W1_ITTMAXP, 0x00ff}, {BRCMS_SROM_PA1LOMAXPWR, 0xffffff00, 0, SROM8_W1_MAXP_LCHC, 0xff00}, {BRCMS_SROM_PA1HIMAXPWR, 0xffffff00, 0, SROM8_W1_MAXP_LCHC, 0x00ff}, {BRCMS_SROM_BXA2G, 0xffffff00, 0, SROM8_BXARSSI2G, 0x1800}, {BRCMS_SROM_RSSISAV2G, 0xffffff00, 0, SROM8_BXARSSI2G, 0x0700}, {BRCMS_SROM_RSSISMC2G, 0xffffff00, 0, SROM8_BXARSSI2G, 0x00f0}, {BRCMS_SROM_RSSISMF2G, 0xffffff00, 0, SROM8_BXARSSI2G, 0x000f}, {BRCMS_SROM_BXA5G, 0xffffff00, 0, SROM8_BXARSSI5G, 0x1800}, {BRCMS_SROM_RSSISAV5G, 0xffffff00, 0, SROM8_BXARSSI5G, 0x0700}, {BRCMS_SROM_RSSISMC5G, 0xffffff00, 0, SROM8_BXARSSI5G, 0x00f0}, {BRCMS_SROM_RSSISMF5G, 0xffffff00, 0, SROM8_BXARSSI5G, 0x000f}, {BRCMS_SROM_TRI2G, 0xffffff00, 0, SROM8_TRI52G, 0x00ff}, {BRCMS_SROM_TRI5G, 0xffffff00, 0, SROM8_TRI52G, 0xff00}, {BRCMS_SROM_TRI5GL, 0xffffff00, 0, SROM8_TRI5GHL, 0x00ff}, {BRCMS_SROM_TRI5GH, 0xffffff00, 0, SROM8_TRI5GHL, 0xff00}, {BRCMS_SROM_RXPO2G, 0xffffff00, SRFL_PRSIGN, SROM8_RXPO52G, 0x00ff}, {BRCMS_SROM_RXPO5G, 0xffffff00, SRFL_PRSIGN, SROM8_RXPO52G, 0xff00}, {BRCMS_SROM_TXCHAIN, 0xffffff00, SRFL_NOFFS, SROM8_TXRXC, SROM4_TXCHAIN_MASK}, {BRCMS_SROM_RXCHAIN, 0xffffff00, SRFL_NOFFS, SROM8_TXRXC, SROM4_RXCHAIN_MASK}, {BRCMS_SROM_ANTSWITCH, 0xffffff00, SRFL_NOFFS, SROM8_TXRXC, SROM4_SWITCH_MASK}, {BRCMS_SROM_TSSIPOS2G, 0xffffff00, 0, SROM8_FEM2G, SROM8_FEM_TSSIPOS_MASK}, {BRCMS_SROM_EXTPAGAIN2G, 0xffffff00, 0, SROM8_FEM2G, SROM8_FEM_EXTPA_GAIN_MASK}, {BRCMS_SROM_PDETRANGE2G, 0xffffff00, 0, SROM8_FEM2G, SROM8_FEM_PDET_RANGE_MASK}, {BRCMS_SROM_TRISO2G, 0xffffff00, 0, SROM8_FEM2G, SROM8_FEM_TR_ISO_MASK}, {BRCMS_SROM_ANTSWCTL2G, 0xffffff00, 0, SROM8_FEM2G, SROM8_FEM_ANTSWLUT_MASK}, {BRCMS_SROM_TSSIPOS5G, 0xffffff00, 0, SROM8_FEM5G, SROM8_FEM_TSSIPOS_MASK}, {BRCMS_SROM_EXTPAGAIN5G, 0xffffff00, 0, SROM8_FEM5G, SROM8_FEM_EXTPA_GAIN_MASK}, {BRCMS_SROM_PDETRANGE5G, 0xffffff00, 0, SROM8_FEM5G, SROM8_FEM_PDET_RANGE_MASK}, {BRCMS_SROM_TRISO5G, 0xffffff00, 0, SROM8_FEM5G, SROM8_FEM_TR_ISO_MASK}, {BRCMS_SROM_ANTSWCTL5G, 0xffffff00, 0, SROM8_FEM5G, SROM8_FEM_ANTSWLUT_MASK}, {BRCMS_SROM_TEMPTHRESH, 0xffffff00, 0, SROM8_THERMAL, 0xff00}, {BRCMS_SROM_TEMPOFFSET, 0xffffff00, 0, SROM8_THERMAL, 0x00ff}, {BRCMS_SROM_CCODE, 0xffffff00, SRFL_CCODE, SROM8_CCODE, 0xffff}, {BRCMS_SROM_MACADDR, 0xffffff00, SRFL_ETHADDR, SROM8_MACHI, 0xffff}, {BRCMS_SROM_LEDDC, 0xffffff00, SRFL_NOFFS | SRFL_LEDDC, SROM8_LEDDC, 0xffff}, {BRCMS_SROM_RAWTEMPSENSE, 0xffffff00, SRFL_PRHEX, SROM8_MPWR_RAWTS, 0x01ff}, {BRCMS_SROM_MEASPOWER, 0xffffff00, SRFL_PRHEX, SROM8_MPWR_RAWTS, 0xfe00}, {BRCMS_SROM_TEMPSENSE_SLOPE, 0xffffff00, SRFL_PRHEX, SROM8_TS_SLP_OPT_CORRX, 0x00ff}, {BRCMS_SROM_TEMPCORRX, 0xffffff00, SRFL_PRHEX, SROM8_TS_SLP_OPT_CORRX, 0xfc00}, {BRCMS_SROM_TEMPSENSE_OPTION, 0xffffff00, SRFL_PRHEX, SROM8_TS_SLP_OPT_CORRX, 0x0300}, {BRCMS_SROM_FREQOFFSET_CORR, 0xffffff00, SRFL_PRHEX, SROM8_FOC_HWIQ_IQSWP, 0x000f}, {BRCMS_SROM_IQCAL_SWP_DIS, 0xffffff00, SRFL_PRHEX, SROM8_FOC_HWIQ_IQSWP, 0x0010}, {BRCMS_SROM_HW_IQCAL_EN, 0xffffff00, SRFL_PRHEX, SROM8_FOC_HWIQ_IQSWP, 0x0020}, {BRCMS_SROM_PHYCAL_TEMPDELTA, 0xffffff00, 0, SROM8_PHYCAL_TEMPDELTA, 0x00ff}, {BRCMS_SROM_CCK2GPO, 0x00000100, 0, SROM8_2G_CCKPO, 0xffff}, {BRCMS_SROM_OFDM2GPO, 0x00000100, SRFL_MORE, SROM8_2G_OFDMPO, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM8_2G_OFDMPO + 1, 0xffff}, {BRCMS_SROM_OFDM5GPO, 0x00000100, SRFL_MORE, SROM8_5G_OFDMPO, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM8_5G_OFDMPO + 1, 0xffff}, {BRCMS_SROM_OFDM5GLPO, 0x00000100, SRFL_MORE, SROM8_5GL_OFDMPO, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM8_5GL_OFDMPO + 1, 0xffff}, {BRCMS_SROM_OFDM5GHPO, 0x00000100, SRFL_MORE, SROM8_5GH_OFDMPO, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM8_5GH_OFDMPO + 1, 0xffff}, {BRCMS_SROM_MCS2GPO0, 0x00000100, 0, SROM8_2G_MCSPO, 0xffff}, {BRCMS_SROM_MCS2GPO1, 0x00000100, 0, SROM8_2G_MCSPO + 1, 0xffff}, {BRCMS_SROM_MCS2GPO2, 0x00000100, 0, SROM8_2G_MCSPO + 2, 0xffff}, {BRCMS_SROM_MCS2GPO3, 0x00000100, 0, SROM8_2G_MCSPO + 3, 0xffff}, {BRCMS_SROM_MCS2GPO4, 0x00000100, 0, SROM8_2G_MCSPO + 4, 0xffff}, {BRCMS_SROM_MCS2GPO5, 0x00000100, 0, SROM8_2G_MCSPO + 5, 0xffff}, {BRCMS_SROM_MCS2GPO6, 0x00000100, 0, SROM8_2G_MCSPO + 6, 0xffff}, {BRCMS_SROM_MCS2GPO7, 0x00000100, 0, SROM8_2G_MCSPO + 7, 0xffff}, {BRCMS_SROM_MCS5GPO0, 0x00000100, 0, SROM8_5G_MCSPO, 0xffff}, {BRCMS_SROM_MCS5GPO1, 0x00000100, 0, SROM8_5G_MCSPO + 1, 0xffff}, {BRCMS_SROM_MCS5GPO2, 0x00000100, 0, SROM8_5G_MCSPO + 2, 0xffff}, {BRCMS_SROM_MCS5GPO3, 0x00000100, 0, SROM8_5G_MCSPO + 3, 0xffff}, {BRCMS_SROM_MCS5GPO4, 0x00000100, 0, SROM8_5G_MCSPO + 4, 0xffff}, {BRCMS_SROM_MCS5GPO5, 0x00000100, 0, SROM8_5G_MCSPO + 5, 0xffff}, {BRCMS_SROM_MCS5GPO6, 0x00000100, 0, SROM8_5G_MCSPO + 6, 0xffff}, {BRCMS_SROM_MCS5GPO7, 0x00000100, 0, SROM8_5G_MCSPO + 7, 0xffff}, {BRCMS_SROM_MCS5GLPO0, 0x00000100, 0, SROM8_5GL_MCSPO, 0xffff}, {BRCMS_SROM_MCS5GLPO1, 0x00000100, 0, SROM8_5GL_MCSPO + 1, 0xffff}, {BRCMS_SROM_MCS5GLPO2, 0x00000100, 0, SROM8_5GL_MCSPO + 2, 0xffff}, {BRCMS_SROM_MCS5GLPO3, 0x00000100, 0, SROM8_5GL_MCSPO + 3, 0xffff}, {BRCMS_SROM_MCS5GLPO4, 0x00000100, 0, SROM8_5GL_MCSPO + 4, 0xffff}, {BRCMS_SROM_MCS5GLPO5, 0x00000100, 0, SROM8_5GL_MCSPO + 5, 0xffff}, {BRCMS_SROM_MCS5GLPO6, 0x00000100, 0, SROM8_5GL_MCSPO + 6, 0xffff}, {BRCMS_SROM_MCS5GLPO7, 0x00000100, 0, SROM8_5GL_MCSPO + 7, 0xffff}, {BRCMS_SROM_MCS5GHPO0, 0x00000100, 0, SROM8_5GH_MCSPO, 0xffff}, {BRCMS_SROM_MCS5GHPO1, 0x00000100, 0, SROM8_5GH_MCSPO + 1, 0xffff}, {BRCMS_SROM_MCS5GHPO2, 0x00000100, 0, SROM8_5GH_MCSPO + 2, 0xffff}, {BRCMS_SROM_MCS5GHPO3, 0x00000100, 0, SROM8_5GH_MCSPO + 3, 0xffff}, {BRCMS_SROM_MCS5GHPO4, 0x00000100, 0, SROM8_5GH_MCSPO + 4, 0xffff}, {BRCMS_SROM_MCS5GHPO5, 0x00000100, 0, SROM8_5GH_MCSPO + 5, 0xffff}, {BRCMS_SROM_MCS5GHPO6, 0x00000100, 0, SROM8_5GH_MCSPO + 6, 0xffff}, {BRCMS_SROM_MCS5GHPO7, 0x00000100, 0, SROM8_5GH_MCSPO + 7, 0xffff}, {BRCMS_SROM_CDDPO, 0x00000100, 0, SROM8_CDDPO, 0xffff}, {BRCMS_SROM_STBCPO, 0x00000100, 0, SROM8_STBCPO, 0xffff}, {BRCMS_SROM_BW40PO, 0x00000100, 0, SROM8_BW40PO, 0xffff}, {BRCMS_SROM_BWDUPPO, 0x00000100, 0, SROM8_BWDUPPO, 0xffff}, /* power per rate from sromrev 9 */ {BRCMS_SROM_CCKBW202GPO, 0xfffffe00, 0, SROM9_2GPO_CCKBW20, 0xffff}, {BRCMS_SROM_CCKBW20UL2GPO, 0xfffffe00, 0, SROM9_2GPO_CCKBW20UL, 0xffff}, {BRCMS_SROM_LEGOFDMBW202GPO, 0xfffffe00, SRFL_MORE, SROM9_2GPO_LOFDMBW20, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_2GPO_LOFDMBW20 + 1, 0xffff}, {BRCMS_SROM_LEGOFDMBW20UL2GPO, 0xfffffe00, SRFL_MORE, SROM9_2GPO_LOFDMBW20UL, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_2GPO_LOFDMBW20UL + 1, 0xffff}, {BRCMS_SROM_LEGOFDMBW205GLPO, 0xfffffe00, SRFL_MORE, SROM9_5GLPO_LOFDMBW20, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_5GLPO_LOFDMBW20 + 1, 0xffff}, {BRCMS_SROM_LEGOFDMBW20UL5GLPO, 0xfffffe00, SRFL_MORE, SROM9_5GLPO_LOFDMBW20UL, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_5GLPO_LOFDMBW20UL + 1, 0xffff}, {BRCMS_SROM_LEGOFDMBW205GMPO, 0xfffffe00, SRFL_MORE, SROM9_5GMPO_LOFDMBW20, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_5GMPO_LOFDMBW20 + 1, 0xffff}, {BRCMS_SROM_LEGOFDMBW20UL5GMPO, 0xfffffe00, SRFL_MORE, SROM9_5GMPO_LOFDMBW20UL, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_5GMPO_LOFDMBW20UL + 1, 0xffff}, {BRCMS_SROM_LEGOFDMBW205GHPO, 0xfffffe00, SRFL_MORE, SROM9_5GHPO_LOFDMBW20, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_5GHPO_LOFDMBW20 + 1, 0xffff}, {BRCMS_SROM_LEGOFDMBW20UL5GHPO, 0xfffffe00, SRFL_MORE, SROM9_5GHPO_LOFDMBW20UL, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_5GHPO_LOFDMBW20UL + 1, 0xffff}, {BRCMS_SROM_MCSBW202GPO, 0xfffffe00, SRFL_MORE, SROM9_2GPO_MCSBW20, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_2GPO_MCSBW20 + 1, 0xffff}, {BRCMS_SROM_MCSBW20UL2GPO, 0xfffffe00, SRFL_MORE, SROM9_2GPO_MCSBW20UL, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_2GPO_MCSBW20UL + 1, 0xffff}, {BRCMS_SROM_MCSBW402GPO, 0xfffffe00, SRFL_MORE, SROM9_2GPO_MCSBW40, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_2GPO_MCSBW40 + 1, 0xffff}, {BRCMS_SROM_MCSBW205GLPO, 0xfffffe00, SRFL_MORE, SROM9_5GLPO_MCSBW20, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_5GLPO_MCSBW20 + 1, 0xffff}, {BRCMS_SROM_MCSBW20UL5GLPO, 0xfffffe00, SRFL_MORE, SROM9_5GLPO_MCSBW20UL, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_5GLPO_MCSBW20UL + 1, 0xffff}, {BRCMS_SROM_MCSBW405GLPO, 0xfffffe00, SRFL_MORE, SROM9_5GLPO_MCSBW40, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_5GLPO_MCSBW40 + 1, 0xffff}, {BRCMS_SROM_MCSBW205GMPO, 0xfffffe00, SRFL_MORE, SROM9_5GMPO_MCSBW20, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_5GMPO_MCSBW20 + 1, 0xffff}, {BRCMS_SROM_MCSBW20UL5GMPO, 0xfffffe00, SRFL_MORE, SROM9_5GMPO_MCSBW20UL, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_5GMPO_MCSBW20UL + 1, 0xffff}, {BRCMS_SROM_MCSBW405GMPO, 0xfffffe00, SRFL_MORE, SROM9_5GMPO_MCSBW40, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_5GMPO_MCSBW40 + 1, 0xffff}, {BRCMS_SROM_MCSBW205GHPO, 0xfffffe00, SRFL_MORE, SROM9_5GHPO_MCSBW20, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_5GHPO_MCSBW20 + 1, 0xffff}, {BRCMS_SROM_MCSBW20UL5GHPO, 0xfffffe00, SRFL_MORE, SROM9_5GHPO_MCSBW20UL, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_5GHPO_MCSBW20UL + 1, 0xffff}, {BRCMS_SROM_MCSBW405GHPO, 0xfffffe00, SRFL_MORE, SROM9_5GHPO_MCSBW40, 0xffff}, {BRCMS_SROM_CONT, 0, 0, SROM9_5GHPO_MCSBW40 + 1, 0xffff}, {BRCMS_SROM_MCS32PO, 0xfffffe00, 0, SROM9_PO_MCS32, 0xffff}, {BRCMS_SROM_LEGOFDM40DUPPO, 0xfffffe00, 0, SROM9_PO_LOFDM40DUP, 0xffff}, {BRCMS_SROM_NULL, 0, 0, 0, 0} }; static const struct brcms_sromvar perpath_pci_sromvars[] = { {BRCMS_SROM_MAXP2GA0, 0xffffff00, 0, SROM8_2G_ITT_MAXP, 0x00ff}, {BRCMS_SROM_ITT2GA0, 0xffffff00, 0, SROM8_2G_ITT_MAXP, 0xff00}, {BRCMS_SROM_ITT5GA0, 0xffffff00, 0, SROM8_5G_ITT_MAXP, 0xff00}, {BRCMS_SROM_PA2GW0A0, 0xffffff00, SRFL_PRHEX, SROM8_2G_PA, 0xffff}, {BRCMS_SROM_PA2GW1A0, 0xffffff00, SRFL_PRHEX, SROM8_2G_PA + 1, 0xffff}, {BRCMS_SROM_PA2GW2A0, 0xffffff00, SRFL_PRHEX, SROM8_2G_PA + 2, 0xffff}, {BRCMS_SROM_MAXP5GA0, 0xffffff00, 0, SROM8_5G_ITT_MAXP, 0x00ff}, {BRCMS_SROM_MAXP5GHA0, 0xffffff00, 0, SROM8_5GLH_MAXP, 0x00ff}, {BRCMS_SROM_MAXP5GLA0, 0xffffff00, 0, SROM8_5GLH_MAXP, 0xff00}, {BRCMS_SROM_PA5GW0A0, 0xffffff00, SRFL_PRHEX, SROM8_5G_PA, 0xffff}, {BRCMS_SROM_PA5GW1A0, 0xffffff00, SRFL_PRHEX, SROM8_5G_PA + 1, 0xffff}, {BRCMS_SROM_PA5GW2A0, 0xffffff00, SRFL_PRHEX, SROM8_5G_PA + 2, 0xffff}, {BRCMS_SROM_PA5GLW0A0, 0xffffff00, SRFL_PRHEX, SROM8_5GL_PA, 0xffff}, {BRCMS_SROM_PA5GLW1A0, 0xffffff00, SRFL_PRHEX, SROM8_5GL_PA + 1, 0xffff}, {BRCMS_SROM_PA5GLW2A0, 0xffffff00, SRFL_PRHEX, SROM8_5GL_PA + 2, 0xffff}, {BRCMS_SROM_PA5GHW0A0, 0xffffff00, SRFL_PRHEX, SROM8_5GH_PA, 0xffff}, {BRCMS_SROM_PA5GHW1A0, 0xffffff00, SRFL_PRHEX, SROM8_5GH_PA + 1, 0xffff}, {BRCMS_SROM_PA5GHW2A0, 0xffffff00, SRFL_PRHEX, SROM8_5GH_PA + 2, 0xffff}, {BRCMS_SROM_NULL, 0, 0, 0, 0} }; /* crc table has the same contents for every device instance, so it can be * shared between devices. */ static u8 brcms_srom_crc8_table[CRC8_TABLE_SIZE]; static uint mask_shift(u16 mask) { uint i; for (i = 0; i < (sizeof(mask) << 3); i++) { if (mask & (1 << i)) return i; } return 0; } static uint mask_width(u16 mask) { int i; for (i = (sizeof(mask) << 3) - 1; i >= 0; i--) { if (mask & (1 << i)) return (uint) (i - mask_shift(mask) + 1); } return 0; } static inline void le16_to_cpu_buf(u16 *buf, uint nwords) { while (nwords--) *(buf + nwords) = le16_to_cpu(*(__le16 *)(buf + nwords)); } static inline void cpu_to_le16_buf(u16 *buf, uint nwords) { while (nwords--) *(__le16 *)(buf + nwords) = cpu_to_le16(*(buf + nwords)); } /* * convert binary srom data into linked list of srom variable items. */ static void _initvars_srom_pci(u8 sromrev, u16 *srom, struct list_head *var_list) { struct brcms_srom_list_head *entry; enum brcms_srom_id id; u16 w; u32 val = 0; const struct brcms_sromvar *srv; uint width; uint flags; u32 sr = (1 << sromrev); uint p; uint pb = SROM8_PATH0; const uint psz = SROM8_PATH1 - SROM8_PATH0; /* first store the srom revision */ entry = kzalloc(sizeof(struct brcms_srom_list_head), GFP_KERNEL); entry->varid = BRCMS_SROM_REV; entry->var_type = BRCMS_SROM_UNUMBER; entry->uval = sromrev; list_add(&entry->var_list, var_list); for (srv = pci_sromvars; srv->varid != BRCMS_SROM_NULL; srv++) { enum brcms_srom_var_type type; u8 ea[ETH_ALEN]; u8 extra_space = 0; if ((srv->revmask & sr) == 0) continue; flags = srv->flags; id = srv->varid; /* This entry is for mfgc only. Don't generate param for it, */ if (flags & SRFL_NOVAR) continue; if (flags & SRFL_ETHADDR) { /* * stored in string format XX:XX:XX:XX:XX:XX (17 chars) */ ea[0] = (srom[srv->off] >> 8) & 0xff; ea[1] = srom[srv->off] & 0xff; ea[2] = (srom[srv->off + 1] >> 8) & 0xff; ea[3] = srom[srv->off + 1] & 0xff; ea[4] = (srom[srv->off + 2] >> 8) & 0xff; ea[5] = srom[srv->off + 2] & 0xff; /* 17 characters + string terminator - union size */ extra_space = 18 - sizeof(s32); type = BRCMS_SROM_STRING; } else { w = srom[srv->off]; val = (w & srv->mask) >> mask_shift(srv->mask); width = mask_width(srv->mask); while (srv->flags & SRFL_MORE) { srv++; if (srv->off == 0) continue; w = srom[srv->off]; val += ((w & srv->mask) >> mask_shift(srv-> mask)) << width; width += mask_width(srv->mask); } if ((flags & SRFL_NOFFS) && ((int)val == (1 << width) - 1)) continue; if (flags & SRFL_CCODE) { type = BRCMS_SROM_STRING; } else if (flags & SRFL_LEDDC) { /* LED Powersave duty cycle has to be scaled: *(oncount >> 24) (offcount >> 8) */ u32 w32 = /* oncount */ (((val >> 8) & 0xff) << 24) | /* offcount */ (((val & 0xff)) << 8); type = BRCMS_SROM_UNUMBER; val = w32; } else if ((flags & SRFL_PRSIGN) && (val & (1 << (width - 1)))) { type = BRCMS_SROM_SNUMBER; val |= ~0 << width; } else type = BRCMS_SROM_UNUMBER; } entry = kzalloc(sizeof(struct brcms_srom_list_head) + extra_space, GFP_KERNEL); entry->varid = id; entry->var_type = type; if (flags & SRFL_ETHADDR) { snprintf(entry->buf, 18, "%pM", ea); } else if (flags & SRFL_CCODE) { if (val == 0) entry->buf[0] = '\0'; else snprintf(entry->buf, 3, "%c%c", (val >> 8), (val & 0xff)); } else { entry->uval = val; } list_add(&entry->var_list, var_list); } for (p = 0; p < MAX_PATH_SROM; p++) { for (srv = perpath_pci_sromvars; srv->varid != BRCMS_SROM_NULL; srv++) { if ((srv->revmask & sr) == 0) continue; if (srv->flags & SRFL_NOVAR) continue; w = srom[pb + srv->off]; val = (w & srv->mask) >> mask_shift(srv->mask); width = mask_width(srv->mask); /* Cheating: no per-path var is more than * 1 word */ if ((srv->flags & SRFL_NOFFS) && ((int)val == (1 << width) - 1)) continue; entry = kzalloc(sizeof(struct brcms_srom_list_head), GFP_KERNEL); entry->varid = srv->varid+p; entry->var_type = BRCMS_SROM_UNUMBER; entry->uval = val; list_add(&entry->var_list, var_list); } pb += psz; } } /* * The crc check is done on a little-endian array, we need * to switch the bytes around before checking crc (and * then switch it back). */ static int do_crc_check(u16 *buf, unsigned nwords) { u8 crc; cpu_to_le16_buf(buf, nwords); crc = crc8(brcms_srom_crc8_table, (void *)buf, nwords << 1, CRC8_INIT_VALUE); le16_to_cpu_buf(buf, nwords); return crc == CRC8_GOOD_VALUE(brcms_srom_crc8_table); } /* * Read in and validate sprom. * Return 0 on success, nonzero on error. */ static int sprom_read_pci(struct si_pub *sih, u16 *buf, uint nwords, bool check_crc) { int err = 0; uint i; struct bcma_device *core; uint sprom_offset; /* determine core to read */ if (ai_get_ccrev(sih) < 32) { core = ai_findcore(sih, BCMA_CORE_80211, 0); sprom_offset = PCI_BAR0_SPROM_OFFSET; } else { core = ai_findcore(sih, BCMA_CORE_CHIPCOMMON, 0); sprom_offset = CHIPCREGOFFS(sromotp); } /* read the sprom */ for (i = 0; i < nwords; i++) buf[i] = bcma_read16(core, sprom_offset+i*2); if (buf[0] == 0xffff) /* * The hardware thinks that an srom that starts with * 0xffff is blank, regardless of the rest of the * content, so declare it bad. */ return -ENODATA; if (check_crc && !do_crc_check(buf, nwords)) err = -EIO; return err; } static int otp_read_pci(struct si_pub *sih, u16 *buf, uint nwords) { u8 *otp; uint sz = OTP_SZ_MAX / 2; /* size in words */ int err = 0; otp = kzalloc(OTP_SZ_MAX, GFP_ATOMIC); if (otp == NULL) return -ENOMEM; err = otp_read_region(sih, OTP_HW_RGN, (u16 *) otp, &sz); sz = min_t(uint, sz, nwords); memcpy(buf, otp, sz * 2); kfree(otp); /* Check CRC */ if (buf[0] == 0xffff) /* The hardware thinks that an srom that starts with 0xffff * is blank, regardless of the rest of the content, so declare * it bad. */ return -ENODATA; /* fixup the endianness so crc8 will pass */ cpu_to_le16_buf(buf, sz); if (crc8(brcms_srom_crc8_table, (u8 *) buf, sz * 2, CRC8_INIT_VALUE) != CRC8_GOOD_VALUE(brcms_srom_crc8_table)) err = -EIO; else /* now correct the endianness of the byte array */ le16_to_cpu_buf(buf, sz); return err; } /* * Initialize nonvolatile variable table from sprom. * Return 0 on success, nonzero on error. */ int srom_var_init(struct si_pub *sih) { u16 *srom; u8 sromrev = 0; u32 sr; int err = 0; /* * Apply CRC over SROM content regardless SROM is present or not. */ srom = kmalloc(SROM_MAX, GFP_ATOMIC); if (!srom) return -ENOMEM; crc8_populate_lsb(brcms_srom_crc8_table, SROM_CRC8_POLY); if (ai_is_sprom_available(sih)) { err = sprom_read_pci(sih, srom, SROM4_WORDS, true); if (err == 0) /* srom read and passed crc */ /* top word of sprom contains version and crc8 */ sromrev = srom[SROM4_CRCREV] & 0xff; } else { /* Use OTP if SPROM not available */ err = otp_read_pci(sih, srom, SROM4_WORDS); if (err == 0) /* OTP only contain SROM rev8/rev9 for now */ sromrev = srom[SROM4_CRCREV] & 0xff; } if (!err) { struct si_info *sii = (struct si_info *)sih; /* Bitmask for the sromrev */ sr = 1 << sromrev; /* * srom version check: Current valid versions: 8, 9 */ if ((sr & 0x300) == 0) { err = -EINVAL; goto errout; } INIT_LIST_HEAD(&sii->var_list); /* parse SROM into name=value pairs. */ _initvars_srom_pci(sromrev, srom, &sii->var_list); } errout: kfree(srom); return err; } void srom_free_vars(struct si_pub *sih) { struct si_info *sii; struct brcms_srom_list_head *entry, *next; sii = (struct si_info *)sih; list_for_each_entry_safe(entry, next, &sii->var_list, var_list) { list_del(&entry->var_list); kfree(entry); } } /* * Search the name=value vars for a specific one and return its value. * Returns NULL if not found. */ char *getvar(struct si_pub *sih, enum brcms_srom_id id) { struct si_info *sii; struct brcms_srom_list_head *entry; sii = (struct si_info *)sih; list_for_each_entry(entry, &sii->var_list, var_list) if (entry->varid == id) return &entry->buf[0]; /* nothing found */ return NULL; } /* * Search the vars for a specific one and return its value as * an integer. Returns 0 if not found.- */ int getintvar(struct si_pub *sih, enum brcms_srom_id id) { struct si_info *sii; struct brcms_srom_list_head *entry; unsigned long res; sii = (struct si_info *)sih; list_for_each_entry(entry, &sii->var_list, var_list) if (entry->varid == id) { if (entry->var_type == BRCMS_SROM_SNUMBER || entry->var_type == BRCMS_SROM_UNUMBER) return (int)entry->sval; else if (!kstrtoul(&entry->buf[0], 0, &res)) return (int)res; } return 0; }