Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2011 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 _BRCM_AIUTILS_H_ |
| 18 | #define _BRCM_AIUTILS_H_ |
| 19 | |
| 20 | #include "types.h" |
| 21 | |
| 22 | /* |
| 23 | * SOC Interconnect Address Map. |
| 24 | * All regions may not exist on all chips. |
| 25 | */ |
| 26 | /* each core gets 4Kbytes for registers */ |
| 27 | #define SI_CORE_SIZE 0x1000 |
| 28 | /* |
| 29 | * Max cores (this is arbitrary, for software |
| 30 | * convenience and could be changed if we |
| 31 | * make any larger chips |
| 32 | */ |
| 33 | #define SI_MAXCORES 16 |
| 34 | |
| 35 | /* Client Mode sb2pcitranslation2 size in bytes */ |
| 36 | #define SI_PCI_DMA_SZ 0x40000000 |
| 37 | |
| 38 | /* PCIE Client Mode sb2pcitranslation2 (2 ZettaBytes), high 32 bits */ |
| 39 | #define SI_PCIE_DMA_H32 0x80000000 |
| 40 | |
| 41 | /* core codes */ |
| 42 | #define NODEV_CORE_ID 0x700 /* Invalid coreid */ |
| 43 | #define CC_CORE_ID 0x800 /* chipcommon core */ |
| 44 | #define ILINE20_CORE_ID 0x801 /* iline20 core */ |
| 45 | #define SRAM_CORE_ID 0x802 /* sram core */ |
| 46 | #define SDRAM_CORE_ID 0x803 /* sdram core */ |
| 47 | #define PCI_CORE_ID 0x804 /* pci core */ |
| 48 | #define MIPS_CORE_ID 0x805 /* mips core */ |
| 49 | #define ENET_CORE_ID 0x806 /* enet mac core */ |
| 50 | #define CODEC_CORE_ID 0x807 /* v90 codec core */ |
| 51 | #define USB_CORE_ID 0x808 /* usb 1.1 host/device core */ |
| 52 | #define ADSL_CORE_ID 0x809 /* ADSL core */ |
| 53 | #define ILINE100_CORE_ID 0x80a /* iline100 core */ |
| 54 | #define IPSEC_CORE_ID 0x80b /* ipsec core */ |
| 55 | #define UTOPIA_CORE_ID 0x80c /* utopia core */ |
| 56 | #define PCMCIA_CORE_ID 0x80d /* pcmcia core */ |
| 57 | #define SOCRAM_CORE_ID 0x80e /* internal memory core */ |
| 58 | #define MEMC_CORE_ID 0x80f /* memc sdram core */ |
| 59 | #define OFDM_CORE_ID 0x810 /* OFDM phy core */ |
| 60 | #define EXTIF_CORE_ID 0x811 /* external interface core */ |
| 61 | #define D11_CORE_ID 0x812 /* 802.11 MAC core */ |
| 62 | #define APHY_CORE_ID 0x813 /* 802.11a phy core */ |
| 63 | #define BPHY_CORE_ID 0x814 /* 802.11b phy core */ |
| 64 | #define GPHY_CORE_ID 0x815 /* 802.11g phy core */ |
| 65 | #define MIPS33_CORE_ID 0x816 /* mips3302 core */ |
| 66 | #define USB11H_CORE_ID 0x817 /* usb 1.1 host core */ |
| 67 | #define USB11D_CORE_ID 0x818 /* usb 1.1 device core */ |
| 68 | #define USB20H_CORE_ID 0x819 /* usb 2.0 host core */ |
| 69 | #define USB20D_CORE_ID 0x81a /* usb 2.0 device core */ |
| 70 | #define SDIOH_CORE_ID 0x81b /* sdio host core */ |
| 71 | #define ROBO_CORE_ID 0x81c /* roboswitch core */ |
| 72 | #define ATA100_CORE_ID 0x81d /* parallel ATA core */ |
| 73 | #define SATAXOR_CORE_ID 0x81e /* serial ATA & XOR DMA core */ |
| 74 | #define GIGETH_CORE_ID 0x81f /* gigabit ethernet core */ |
| 75 | #define PCIE_CORE_ID 0x820 /* pci express core */ |
| 76 | #define NPHY_CORE_ID 0x821 /* 802.11n 2x2 phy core */ |
| 77 | #define SRAMC_CORE_ID 0x822 /* SRAM controller core */ |
| 78 | #define MINIMAC_CORE_ID 0x823 /* MINI MAC/phy core */ |
| 79 | #define ARM11_CORE_ID 0x824 /* ARM 1176 core */ |
| 80 | #define ARM7S_CORE_ID 0x825 /* ARM7tdmi-s core */ |
| 81 | #define LPPHY_CORE_ID 0x826 /* 802.11a/b/g phy core */ |
| 82 | #define PMU_CORE_ID 0x827 /* PMU core */ |
| 83 | #define SSNPHY_CORE_ID 0x828 /* 802.11n single-stream phy core */ |
| 84 | #define SDIOD_CORE_ID 0x829 /* SDIO device core */ |
| 85 | #define ARMCM3_CORE_ID 0x82a /* ARM Cortex M3 core */ |
| 86 | #define HTPHY_CORE_ID 0x82b /* 802.11n 4x4 phy core */ |
| 87 | #define MIPS74K_CORE_ID 0x82c /* mips 74k core */ |
| 88 | #define GMAC_CORE_ID 0x82d /* Gigabit MAC core */ |
| 89 | #define DMEMC_CORE_ID 0x82e /* DDR1/2 memory controller core */ |
| 90 | #define PCIERC_CORE_ID 0x82f /* PCIE Root Complex core */ |
| 91 | #define OCP_CORE_ID 0x830 /* OCP2OCP bridge core */ |
| 92 | #define SC_CORE_ID 0x831 /* shared common core */ |
| 93 | #define AHB_CORE_ID 0x832 /* OCP2AHB bridge core */ |
| 94 | #define SPIH_CORE_ID 0x833 /* SPI host core */ |
| 95 | #define I2S_CORE_ID 0x834 /* I2S core */ |
| 96 | #define DMEMS_CORE_ID 0x835 /* SDR/DDR1 memory controller core */ |
| 97 | #define DEF_SHIM_COMP 0x837 /* SHIM component in ubus/6362 */ |
| 98 | #define OOB_ROUTER_CORE_ID 0x367 /* OOB router core ID */ |
| 99 | #define DEF_AI_COMP 0xfff /* Default component, in ai chips it |
| 100 | * maps all unused address ranges |
| 101 | */ |
| 102 | |
| 103 | /* chipcommon being the first core: */ |
| 104 | #define SI_CC_IDX 0 |
| 105 | |
| 106 | /* SOC Interconnect types (aka chip types) */ |
| 107 | #define SOCI_AI 1 |
| 108 | |
| 109 | /* Common core control flags */ |
| 110 | #define SICF_BIST_EN 0x8000 |
| 111 | #define SICF_PME_EN 0x4000 |
| 112 | #define SICF_CORE_BITS 0x3ffc |
| 113 | #define SICF_FGC 0x0002 |
| 114 | #define SICF_CLOCK_EN 0x0001 |
| 115 | |
| 116 | /* Common core status flags */ |
| 117 | #define SISF_BIST_DONE 0x8000 |
| 118 | #define SISF_BIST_ERROR 0x4000 |
| 119 | #define SISF_GATED_CLK 0x2000 |
| 120 | #define SISF_DMA64 0x1000 |
| 121 | #define SISF_CORE_BITS 0x0fff |
| 122 | |
| 123 | /* A register that is common to all cores to |
| 124 | * communicate w/PMU regarding clock control. |
| 125 | */ |
| 126 | #define SI_CLK_CTL_ST 0x1e0 /* clock control and status */ |
| 127 | |
| 128 | /* clk_ctl_st register */ |
| 129 | #define CCS_FORCEALP 0x00000001 /* force ALP request */ |
| 130 | #define CCS_FORCEHT 0x00000002 /* force HT request */ |
| 131 | #define CCS_FORCEILP 0x00000004 /* force ILP request */ |
| 132 | #define CCS_ALPAREQ 0x00000008 /* ALP Avail Request */ |
| 133 | #define CCS_HTAREQ 0x00000010 /* HT Avail Request */ |
| 134 | #define CCS_FORCEHWREQOFF 0x00000020 /* Force HW Clock Request Off */ |
| 135 | #define CCS_ERSRC_REQ_MASK 0x00000700 /* external resource requests */ |
| 136 | #define CCS_ERSRC_REQ_SHIFT 8 |
| 137 | #define CCS_ALPAVAIL 0x00010000 /* ALP is available */ |
| 138 | #define CCS_HTAVAIL 0x00020000 /* HT is available */ |
| 139 | #define CCS_BP_ON_APL 0x00040000 /* RO: running on ALP clock */ |
| 140 | #define CCS_BP_ON_HT 0x00080000 /* RO: running on HT clock */ |
| 141 | #define CCS_ERSRC_STS_MASK 0x07000000 /* external resource status */ |
| 142 | #define CCS_ERSRC_STS_SHIFT 24 |
| 143 | |
| 144 | /* HT avail in chipc and pcmcia on 4328a0 */ |
| 145 | #define CCS0_HTAVAIL 0x00010000 |
| 146 | /* ALP avail in chipc and pcmcia on 4328a0 */ |
| 147 | #define CCS0_ALPAVAIL 0x00020000 |
| 148 | |
| 149 | /* Not really related to SOC Interconnect, but a couple of software |
| 150 | * conventions for the use the flash space: |
| 151 | */ |
| 152 | |
| 153 | /* Minumum amount of flash we support */ |
| 154 | #define FLASH_MIN 0x00020000 /* Minimum flash size */ |
| 155 | |
| 156 | #define CC_SROM_OTP 0x800 /* SROM/OTP address space */ |
| 157 | |
| 158 | /* gpiotimerval */ |
| 159 | #define GPIO_ONTIME_SHIFT 16 |
| 160 | |
| 161 | /* Fields in clkdiv */ |
| 162 | #define CLKD_OTP 0x000f0000 |
| 163 | #define CLKD_OTP_SHIFT 16 |
| 164 | |
| 165 | /* Package IDs */ |
| 166 | #define BCM4717_PKG_ID 9 /* 4717 package id */ |
| 167 | #define BCM4718_PKG_ID 10 /* 4718 package id */ |
| 168 | #define BCM43224_FAB_SMIC 0xa /* the chip is manufactured by SMIC */ |
| 169 | |
| 170 | /* these are router chips */ |
| 171 | #define BCM4716_CHIP_ID 0x4716 /* 4716 chipcommon chipid */ |
| 172 | #define BCM47162_CHIP_ID 47162 /* 47162 chipcommon chipid */ |
| 173 | #define BCM4748_CHIP_ID 0x4748 /* 4716 chipcommon chipid (OTP, RBBU) */ |
| 174 | |
| 175 | /* dynamic clock control defines */ |
| 176 | #define LPOMINFREQ 25000 /* low power oscillator min */ |
| 177 | #define LPOMAXFREQ 43000 /* low power oscillator max */ |
| 178 | #define XTALMINFREQ 19800000 /* 20 MHz - 1% */ |
| 179 | #define XTALMAXFREQ 20200000 /* 20 MHz + 1% */ |
| 180 | #define PCIMINFREQ 25000000 /* 25 MHz */ |
| 181 | #define PCIMAXFREQ 34000000 /* 33 MHz + fudge */ |
| 182 | |
| 183 | #define ILP_DIV_5MHZ 0 /* ILP = 5 MHz */ |
| 184 | #define ILP_DIV_1MHZ 4 /* ILP = 1 MHz */ |
| 185 | |
| 186 | /* clkctl xtal what flags */ |
| 187 | #define XTAL 0x1 /* primary crystal oscillator (2050) */ |
| 188 | #define PLL 0x2 /* main chip pll */ |
| 189 | |
| 190 | /* clkctl clk mode */ |
| 191 | #define CLK_FAST 0 /* force fast (pll) clock */ |
| 192 | #define CLK_DYNAMIC 2 /* enable dynamic clock control */ |
| 193 | |
| 194 | /* GPIO usage priorities */ |
| 195 | #define GPIO_DRV_PRIORITY 0 /* Driver */ |
| 196 | #define GPIO_APP_PRIORITY 1 /* Application */ |
| 197 | #define GPIO_HI_PRIORITY 2 /* Highest priority. Ignore GPIO |
| 198 | * reservation |
| 199 | */ |
| 200 | |
| 201 | /* GPIO pull up/down */ |
| 202 | #define GPIO_PULLUP 0 |
| 203 | #define GPIO_PULLDN 1 |
| 204 | |
| 205 | /* GPIO event regtype */ |
| 206 | #define GPIO_REGEVT 0 /* GPIO register event */ |
| 207 | #define GPIO_REGEVT_INTMSK 1 /* GPIO register event int mask */ |
| 208 | #define GPIO_REGEVT_INTPOL 2 /* GPIO register event int polarity */ |
| 209 | |
| 210 | /* device path */ |
| 211 | #define SI_DEVPATH_BUFSZ 16 /* min buffer size in bytes */ |
| 212 | |
| 213 | /* SI routine enumeration: to be used by update function with multiple hooks */ |
| 214 | #define SI_DOATTACH 1 |
| 215 | #define SI_PCIDOWN 2 |
| 216 | #define SI_PCIUP 3 |
| 217 | |
| 218 | /* |
| 219 | * Data structure to export all chip specific common variables |
| 220 | * public (read-only) portion of aiutils handle returned by si_attach() |
| 221 | */ |
| 222 | struct si_pub { |
| 223 | uint buscoretype; /* PCI_CORE_ID, PCIE_CORE_ID, PCMCIA_CORE_ID */ |
| 224 | uint buscorerev; /* buscore rev */ |
| 225 | uint buscoreidx; /* buscore index */ |
| 226 | int ccrev; /* chip common core rev */ |
| 227 | u32 cccaps; /* chip common capabilities */ |
| 228 | u32 cccaps_ext; /* chip common capabilities extension */ |
| 229 | int pmurev; /* pmu core rev */ |
| 230 | u32 pmucaps; /* pmu capabilities */ |
| 231 | uint boardtype; /* board type */ |
| 232 | uint boardvendor; /* board vendor */ |
| 233 | uint boardflags; /* board flags */ |
| 234 | uint boardflags2; /* board flags2 */ |
| 235 | uint chip; /* chip number */ |
| 236 | uint chiprev; /* chip revision */ |
| 237 | uint chippkg; /* chip package option */ |
| 238 | u32 chipst; /* chip status */ |
| 239 | bool issim; /* chip is in simulation or emulation */ |
| 240 | uint socirev; /* SOC interconnect rev */ |
| 241 | bool pci_pr32414; |
| 242 | |
| 243 | }; |
| 244 | |
| 245 | struct pci_dev; |
| 246 | |
| 247 | struct gpioh_item { |
| 248 | void *arg; |
| 249 | bool level; |
| 250 | void (*handler) (u32 stat, void *arg); |
| 251 | u32 event; |
| 252 | struct gpioh_item *next; |
| 253 | }; |
| 254 | |
| 255 | /* misc si info needed by some of the routines */ |
| 256 | struct si_info { |
| 257 | struct si_pub pub; /* back plane public state (must be first) */ |
| 258 | struct pci_dev *pbus; /* handle to pci bus */ |
| 259 | uint dev_coreid; /* the core provides driver functions */ |
| 260 | void *intr_arg; /* interrupt callback function arg */ |
| 261 | u32 (*intrsoff_fn) (void *intr_arg); /* turns chip interrupts off */ |
| 262 | /* restore chip interrupts */ |
| 263 | void (*intrsrestore_fn) (void *intr_arg, u32 arg); |
| 264 | /* check if interrupts are enabled */ |
| 265 | bool (*intrsenabled_fn) (void *intr_arg); |
| 266 | |
| 267 | struct pcicore_info *pch; /* PCI/E core handle */ |
| 268 | |
| 269 | struct list_head var_list; /* list of srom variables */ |
| 270 | |
| 271 | void __iomem *curmap; /* current regs va */ |
| 272 | void __iomem *regs[SI_MAXCORES]; /* other regs va */ |
| 273 | |
| 274 | uint curidx; /* current core index */ |
| 275 | uint numcores; /* # discovered cores */ |
| 276 | uint coreid[SI_MAXCORES]; /* id of each core */ |
| 277 | u32 coresba[SI_MAXCORES]; /* backplane address of each core */ |
| 278 | void *regs2[SI_MAXCORES]; /* 2nd virtual address per core (usbh20) */ |
| 279 | u32 coresba2[SI_MAXCORES]; /* 2nd phys address per core (usbh20) */ |
| 280 | u32 coresba_size[SI_MAXCORES]; /* backplane address space size */ |
| 281 | u32 coresba2_size[SI_MAXCORES]; /* second address space size */ |
| 282 | |
| 283 | void *curwrap; /* current wrapper va */ |
| 284 | void *wrappers[SI_MAXCORES]; /* other cores wrapper va */ |
| 285 | u32 wrapba[SI_MAXCORES]; /* address of controlling wrapper */ |
| 286 | |
| 287 | u32 cia[SI_MAXCORES]; /* erom cia entry for each core */ |
| 288 | u32 cib[SI_MAXCORES]; /* erom cia entry for each core */ |
| 289 | u32 oob_router; /* oob router registers for axi */ |
| 290 | }; |
| 291 | |
| 292 | /* |
| 293 | * Many of the routines below take an 'sih' handle as their first arg. |
| 294 | * Allocate this by calling si_attach(). Free it by calling si_detach(). |
| 295 | * At any one time, the sih is logically focused on one particular si core |
| 296 | * (the "current core"). |
| 297 | * Use si_setcore() or si_setcoreidx() to change the association to another core |
| 298 | */ |
| 299 | |
| 300 | |
| 301 | /* AMBA Interconnect exported externs */ |
| 302 | extern uint ai_flag(struct si_pub *sih); |
| 303 | extern void ai_setint(struct si_pub *sih, int siflag); |
| 304 | extern uint ai_coreidx(struct si_pub *sih); |
| 305 | extern uint ai_corevendor(struct si_pub *sih); |
| 306 | extern uint ai_corerev(struct si_pub *sih); |
| 307 | extern bool ai_iscoreup(struct si_pub *sih); |
| 308 | extern u32 ai_core_cflags(struct si_pub *sih, u32 mask, u32 val); |
| 309 | extern void ai_core_cflags_wo(struct si_pub *sih, u32 mask, u32 val); |
| 310 | extern u32 ai_core_sflags(struct si_pub *sih, u32 mask, u32 val); |
| 311 | extern uint ai_corereg(struct si_pub *sih, uint coreidx, uint regoff, uint mask, |
| 312 | uint val); |
| 313 | extern void ai_core_reset(struct si_pub *sih, u32 bits, u32 resetbits); |
| 314 | extern void ai_core_disable(struct si_pub *sih, u32 bits); |
| 315 | extern int ai_numaddrspaces(struct si_pub *sih); |
| 316 | extern u32 ai_addrspace(struct si_pub *sih, uint asidx); |
| 317 | extern u32 ai_addrspacesize(struct si_pub *sih, uint asidx); |
| 318 | extern void ai_write_wrap_reg(struct si_pub *sih, u32 offset, u32 val); |
| 319 | |
| 320 | /* === exported functions === */ |
| 321 | extern struct si_pub *ai_attach(void __iomem *regs, struct pci_dev *sdh); |
| 322 | extern void ai_detach(struct si_pub *sih); |
| 323 | extern uint ai_coreid(struct si_pub *sih); |
| 324 | extern uint ai_corerev(struct si_pub *sih); |
| 325 | extern uint ai_corereg(struct si_pub *sih, uint coreidx, uint regoff, uint mask, |
| 326 | uint val); |
| 327 | extern void ai_write_wrapperreg(struct si_pub *sih, u32 offset, u32 val); |
| 328 | extern u32 ai_core_cflags(struct si_pub *sih, u32 mask, u32 val); |
| 329 | extern u32 ai_core_sflags(struct si_pub *sih, u32 mask, u32 val); |
| 330 | extern bool ai_iscoreup(struct si_pub *sih); |
| 331 | extern uint ai_findcoreidx(struct si_pub *sih, uint coreid, uint coreunit); |
| 332 | extern void __iomem *ai_setcoreidx(struct si_pub *sih, uint coreidx); |
| 333 | extern void __iomem *ai_setcore(struct si_pub *sih, uint coreid, uint coreunit); |
| 334 | extern void __iomem *ai_switch_core(struct si_pub *sih, uint coreid, |
| 335 | uint *origidx, uint *intr_val); |
| 336 | extern void ai_restore_core(struct si_pub *sih, uint coreid, uint intr_val); |
| 337 | extern void ai_core_reset(struct si_pub *sih, u32 bits, u32 resetbits); |
| 338 | extern void ai_core_disable(struct si_pub *sih, u32 bits); |
| 339 | extern u32 ai_alp_clock(struct si_pub *sih); |
| 340 | extern u32 ai_ilp_clock(struct si_pub *sih); |
| 341 | extern void ai_pci_setup(struct si_pub *sih, uint coremask); |
| 342 | extern void ai_setint(struct si_pub *sih, int siflag); |
| 343 | extern bool ai_backplane64(struct si_pub *sih); |
| 344 | extern void ai_register_intr_callback(struct si_pub *sih, void *intrsoff_fn, |
| 345 | void *intrsrestore_fn, |
| 346 | void *intrsenabled_fn, void *intr_arg); |
| 347 | extern void ai_deregister_intr_callback(struct si_pub *sih); |
| 348 | extern void ai_clkctl_init(struct si_pub *sih); |
| 349 | extern u16 ai_clkctl_fast_pwrup_delay(struct si_pub *sih); |
| 350 | extern bool ai_clkctl_cc(struct si_pub *sih, uint mode); |
| 351 | extern int ai_clkctl_xtal(struct si_pub *sih, uint what, bool on); |
| 352 | extern bool ai_deviceremoved(struct si_pub *sih); |
| 353 | extern u32 ai_gpiocontrol(struct si_pub *sih, u32 mask, u32 val, |
| 354 | u8 priority); |
| 355 | |
| 356 | /* OTP status */ |
| 357 | extern bool ai_is_otp_disabled(struct si_pub *sih); |
| 358 | |
| 359 | /* SPROM availability */ |
| 360 | extern bool ai_is_sprom_available(struct si_pub *sih); |
| 361 | |
| 362 | /* |
| 363 | * Build device path. Path size must be >= SI_DEVPATH_BUFSZ. |
| 364 | * The returned path is NULL terminated and has trailing '/'. |
| 365 | * Return 0 on success, nonzero otherwise. |
| 366 | */ |
| 367 | extern int ai_devpath(struct si_pub *sih, char *path, int size); |
| 368 | |
| 369 | extern void ai_pci_sleep(struct si_pub *sih); |
| 370 | extern void ai_pci_down(struct si_pub *sih); |
| 371 | extern void ai_pci_up(struct si_pub *sih); |
| 372 | extern int ai_pci_fixcfg(struct si_pub *sih); |
| 373 | |
| 374 | extern void ai_chipcontrl_epa4331(struct si_pub *sih, bool on); |
| 375 | /* Enable Ex-PA for 4313 */ |
| 376 | extern void ai_epa_4313war(struct si_pub *sih); |
| 377 | |
| 378 | #endif /* _BRCM_AIUTILS_H_ */ |