| /* |
| * Copyright (c) 2014 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 <linux/kernel.h> |
| #include <linux/delay.h> |
| #include <linux/list.h> |
| #include <linux/ssb/ssb_regs.h> |
| #include <linux/bcma/bcma.h> |
| #include <linux/bcma/bcma_regs.h> |
| |
| #include <defs.h> |
| #include <soc.h> |
| #include <brcm_hw_ids.h> |
| #include <brcmu_utils.h> |
| #include <chipcommon.h> |
| #include "debug.h" |
| #include "chip.h" |
| |
| /* SOC Interconnect types (aka chip types) */ |
| #define SOCI_SB 0 |
| #define SOCI_AI 1 |
| |
| /* PL-368 DMP definitions */ |
| #define DMP_DESC_TYPE_MSK 0x0000000F |
| #define DMP_DESC_EMPTY 0x00000000 |
| #define DMP_DESC_VALID 0x00000001 |
| #define DMP_DESC_COMPONENT 0x00000001 |
| #define DMP_DESC_MASTER_PORT 0x00000003 |
| #define DMP_DESC_ADDRESS 0x00000005 |
| #define DMP_DESC_ADDRSIZE_GT32 0x00000008 |
| #define DMP_DESC_EOT 0x0000000F |
| |
| #define DMP_COMP_DESIGNER 0xFFF00000 |
| #define DMP_COMP_DESIGNER_S 20 |
| #define DMP_COMP_PARTNUM 0x000FFF00 |
| #define DMP_COMP_PARTNUM_S 8 |
| #define DMP_COMP_CLASS 0x000000F0 |
| #define DMP_COMP_CLASS_S 4 |
| #define DMP_COMP_REVISION 0xFF000000 |
| #define DMP_COMP_REVISION_S 24 |
| #define DMP_COMP_NUM_SWRAP 0x00F80000 |
| #define DMP_COMP_NUM_SWRAP_S 19 |
| #define DMP_COMP_NUM_MWRAP 0x0007C000 |
| #define DMP_COMP_NUM_MWRAP_S 14 |
| #define DMP_COMP_NUM_SPORT 0x00003E00 |
| #define DMP_COMP_NUM_SPORT_S 9 |
| #define DMP_COMP_NUM_MPORT 0x000001F0 |
| #define DMP_COMP_NUM_MPORT_S 4 |
| |
| #define DMP_MASTER_PORT_UID 0x0000FF00 |
| #define DMP_MASTER_PORT_UID_S 8 |
| #define DMP_MASTER_PORT_NUM 0x000000F0 |
| #define DMP_MASTER_PORT_NUM_S 4 |
| |
| #define DMP_SLAVE_ADDR_BASE 0xFFFFF000 |
| #define DMP_SLAVE_ADDR_BASE_S 12 |
| #define DMP_SLAVE_PORT_NUM 0x00000F00 |
| #define DMP_SLAVE_PORT_NUM_S 8 |
| #define DMP_SLAVE_TYPE 0x000000C0 |
| #define DMP_SLAVE_TYPE_S 6 |
| #define DMP_SLAVE_TYPE_SLAVE 0 |
| #define DMP_SLAVE_TYPE_BRIDGE 1 |
| #define DMP_SLAVE_TYPE_SWRAP 2 |
| #define DMP_SLAVE_TYPE_MWRAP 3 |
| #define DMP_SLAVE_SIZE_TYPE 0x00000030 |
| #define DMP_SLAVE_SIZE_TYPE_S 4 |
| #define DMP_SLAVE_SIZE_4K 0 |
| #define DMP_SLAVE_SIZE_8K 1 |
| #define DMP_SLAVE_SIZE_16K 2 |
| #define DMP_SLAVE_SIZE_DESC 3 |
| |
| /* EROM CompIdentB */ |
| #define CIB_REV_MASK 0xff000000 |
| #define CIB_REV_SHIFT 24 |
| |
| /* ARM CR4 core specific control flag bits */ |
| #define ARMCR4_BCMA_IOCTL_CPUHALT 0x0020 |
| |
| /* D11 core specific control flag bits */ |
| #define D11_BCMA_IOCTL_PHYCLOCKEN 0x0004 |
| #define D11_BCMA_IOCTL_PHYRESET 0x0008 |
| |
| /* chip core base & ramsize */ |
| /* bcm4329 */ |
| /* SDIO device core, ID 0x829 */ |
| #define BCM4329_CORE_BUS_BASE 0x18011000 |
| /* internal memory core, ID 0x80e */ |
| #define BCM4329_CORE_SOCRAM_BASE 0x18003000 |
| /* ARM Cortex M3 core, ID 0x82a */ |
| #define BCM4329_CORE_ARM_BASE 0x18002000 |
| |
| /* Max possibly supported memory size (limited by IO mapped memory) */ |
| #define BRCMF_CHIP_MAX_MEMSIZE (4 * 1024 * 1024) |
| |
| #define CORE_SB(base, field) \ |
| (base + SBCONFIGOFF + offsetof(struct sbconfig, field)) |
| #define SBCOREREV(sbidh) \ |
| ((((sbidh) & SSB_IDHIGH_RCHI) >> SSB_IDHIGH_RCHI_SHIFT) | \ |
| ((sbidh) & SSB_IDHIGH_RCLO)) |
| |
| struct sbconfig { |
| u32 PAD[2]; |
| u32 sbipsflag; /* initiator port ocp slave flag */ |
| u32 PAD[3]; |
| u32 sbtpsflag; /* target port ocp slave flag */ |
| u32 PAD[11]; |
| u32 sbtmerrloga; /* (sonics >= 2.3) */ |
| u32 PAD; |
| u32 sbtmerrlog; /* (sonics >= 2.3) */ |
| u32 PAD[3]; |
| u32 sbadmatch3; /* address match3 */ |
| u32 PAD; |
| u32 sbadmatch2; /* address match2 */ |
| u32 PAD; |
| u32 sbadmatch1; /* address match1 */ |
| u32 PAD[7]; |
| u32 sbimstate; /* initiator agent state */ |
| u32 sbintvec; /* interrupt mask */ |
| u32 sbtmstatelow; /* target state */ |
| u32 sbtmstatehigh; /* target state */ |
| u32 sbbwa0; /* bandwidth allocation table0 */ |
| u32 PAD; |
| u32 sbimconfiglow; /* initiator configuration */ |
| u32 sbimconfighigh; /* initiator configuration */ |
| u32 sbadmatch0; /* address match0 */ |
| u32 PAD; |
| u32 sbtmconfiglow; /* target configuration */ |
| u32 sbtmconfighigh; /* target configuration */ |
| u32 sbbconfig; /* broadcast configuration */ |
| u32 PAD; |
| u32 sbbstate; /* broadcast state */ |
| u32 PAD[3]; |
| u32 sbactcnfg; /* activate configuration */ |
| u32 PAD[3]; |
| u32 sbflagst; /* current sbflags */ |
| u32 PAD[3]; |
| u32 sbidlow; /* identification */ |
| u32 sbidhigh; /* identification */ |
| }; |
| |
| /* bankidx and bankinfo reg defines corerev >= 8 */ |
| #define SOCRAM_BANKINFO_RETNTRAM_MASK 0x00010000 |
| #define SOCRAM_BANKINFO_SZMASK 0x0000007f |
| #define SOCRAM_BANKIDX_ROM_MASK 0x00000100 |
| |
| #define SOCRAM_BANKIDX_MEMTYPE_SHIFT 8 |
| /* socram bankinfo memtype */ |
| #define SOCRAM_MEMTYPE_RAM 0 |
| #define SOCRAM_MEMTYPE_R0M 1 |
| #define SOCRAM_MEMTYPE_DEVRAM 2 |
| |
| #define SOCRAM_BANKINFO_SZBASE 8192 |
| #define SRCI_LSS_MASK 0x00f00000 |
| #define SRCI_LSS_SHIFT 20 |
| #define SRCI_SRNB_MASK 0xf0 |
| #define SRCI_SRNB_MASK_EXT 0x100 |
| #define SRCI_SRNB_SHIFT 4 |
| #define SRCI_SRBSZ_MASK 0xf |
| #define SRCI_SRBSZ_SHIFT 0 |
| #define SR_BSZ_BASE 14 |
| |
| struct sbsocramregs { |
| u32 coreinfo; |
| u32 bwalloc; |
| u32 extracoreinfo; |
| u32 biststat; |
| u32 bankidx; |
| u32 standbyctrl; |
| |
| u32 errlogstatus; /* rev 6 */ |
| u32 errlogaddr; /* rev 6 */ |
| /* used for patching rev 3 & 5 */ |
| u32 cambankidx; |
| u32 cambankstandbyctrl; |
| u32 cambankpatchctrl; |
| u32 cambankpatchtblbaseaddr; |
| u32 cambankcmdreg; |
| u32 cambankdatareg; |
| u32 cambankmaskreg; |
| u32 PAD[1]; |
| u32 bankinfo; /* corev 8 */ |
| u32 bankpda; |
| u32 PAD[14]; |
| u32 extmemconfig; |
| u32 extmemparitycsr; |
| u32 extmemparityerrdata; |
| u32 extmemparityerrcnt; |
| u32 extmemwrctrlandsize; |
| u32 PAD[84]; |
| u32 workaround; |
| u32 pwrctl; /* corerev >= 2 */ |
| u32 PAD[133]; |
| u32 sr_control; /* corerev >= 15 */ |
| u32 sr_status; /* corerev >= 15 */ |
| u32 sr_address; /* corerev >= 15 */ |
| u32 sr_data; /* corerev >= 15 */ |
| }; |
| |
| #define SOCRAMREGOFFS(_f) offsetof(struct sbsocramregs, _f) |
| #define SYSMEMREGOFFS(_f) offsetof(struct sbsocramregs, _f) |
| |
| #define ARMCR4_CAP (0x04) |
| #define ARMCR4_BANKIDX (0x40) |
| #define ARMCR4_BANKINFO (0x44) |
| #define ARMCR4_BANKPDA (0x4C) |
| |
| #define ARMCR4_TCBBNB_MASK 0xf0 |
| #define ARMCR4_TCBBNB_SHIFT 4 |
| #define ARMCR4_TCBANB_MASK 0xf |
| #define ARMCR4_TCBANB_SHIFT 0 |
| |
| #define ARMCR4_BSZ_MASK 0x3f |
| #define ARMCR4_BSZ_MULT 8192 |
| |
| struct brcmf_core_priv { |
| struct brcmf_core pub; |
| u32 wrapbase; |
| struct list_head list; |
| struct brcmf_chip_priv *chip; |
| }; |
| |
| struct brcmf_chip_priv { |
| struct brcmf_chip pub; |
| const struct brcmf_buscore_ops *ops; |
| void *ctx; |
| /* assured first core is chipcommon, second core is buscore */ |
| struct list_head cores; |
| u16 num_cores; |
| |
| bool (*iscoreup)(struct brcmf_core_priv *core); |
| void (*coredisable)(struct brcmf_core_priv *core, u32 prereset, |
| u32 reset); |
| void (*resetcore)(struct brcmf_core_priv *core, u32 prereset, u32 reset, |
| u32 postreset); |
| }; |
| |
| static void brcmf_chip_sb_corerev(struct brcmf_chip_priv *ci, |
| struct brcmf_core *core) |
| { |
| u32 regdata; |
| |
| regdata = ci->ops->read32(ci->ctx, CORE_SB(core->base, sbidhigh)); |
| core->rev = SBCOREREV(regdata); |
| } |
| |
| static bool brcmf_chip_sb_iscoreup(struct brcmf_core_priv *core) |
| { |
| struct brcmf_chip_priv *ci; |
| u32 regdata; |
| u32 address; |
| |
| ci = core->chip; |
| address = CORE_SB(core->pub.base, sbtmstatelow); |
| regdata = ci->ops->read32(ci->ctx, address); |
| regdata &= (SSB_TMSLOW_RESET | SSB_TMSLOW_REJECT | |
| SSB_IMSTATE_REJECT | SSB_TMSLOW_CLOCK); |
| return SSB_TMSLOW_CLOCK == regdata; |
| } |
| |
| static bool brcmf_chip_ai_iscoreup(struct brcmf_core_priv *core) |
| { |
| struct brcmf_chip_priv *ci; |
| u32 regdata; |
| bool ret; |
| |
| ci = core->chip; |
| regdata = ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); |
| ret = (regdata & (BCMA_IOCTL_FGC | BCMA_IOCTL_CLK)) == BCMA_IOCTL_CLK; |
| |
| regdata = ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL); |
| ret = ret && ((regdata & BCMA_RESET_CTL_RESET) == 0); |
| |
| return ret; |
| } |
| |
| static void brcmf_chip_sb_coredisable(struct brcmf_core_priv *core, |
| u32 prereset, u32 reset) |
| { |
| struct brcmf_chip_priv *ci; |
| u32 val, base; |
| |
| ci = core->chip; |
| base = core->pub.base; |
| val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); |
| if (val & SSB_TMSLOW_RESET) |
| return; |
| |
| val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); |
| if ((val & SSB_TMSLOW_CLOCK) != 0) { |
| /* |
| * set target reject and spin until busy is clear |
| * (preserve core-specific bits) |
| */ |
| val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); |
| ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), |
| val | SSB_TMSLOW_REJECT); |
| |
| val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); |
| udelay(1); |
| SPINWAIT((ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatehigh)) |
| & SSB_TMSHIGH_BUSY), 100000); |
| |
| val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatehigh)); |
| if (val & SSB_TMSHIGH_BUSY) |
| brcmf_err("core state still busy\n"); |
| |
| val = ci->ops->read32(ci->ctx, CORE_SB(base, sbidlow)); |
| if (val & SSB_IDLOW_INITIATOR) { |
| val = ci->ops->read32(ci->ctx, |
| CORE_SB(base, sbimstate)); |
| val |= SSB_IMSTATE_REJECT; |
| ci->ops->write32(ci->ctx, |
| CORE_SB(base, sbimstate), val); |
| val = ci->ops->read32(ci->ctx, |
| CORE_SB(base, sbimstate)); |
| udelay(1); |
| SPINWAIT((ci->ops->read32(ci->ctx, |
| CORE_SB(base, sbimstate)) & |
| SSB_IMSTATE_BUSY), 100000); |
| } |
| |
| /* set reset and reject while enabling the clocks */ |
| val = SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK | |
| SSB_TMSLOW_REJECT | SSB_TMSLOW_RESET; |
| ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), val); |
| val = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); |
| udelay(10); |
| |
| /* clear the initiator reject bit */ |
| val = ci->ops->read32(ci->ctx, CORE_SB(base, sbidlow)); |
| if (val & SSB_IDLOW_INITIATOR) { |
| val = ci->ops->read32(ci->ctx, |
| CORE_SB(base, sbimstate)); |
| val &= ~SSB_IMSTATE_REJECT; |
| ci->ops->write32(ci->ctx, |
| CORE_SB(base, sbimstate), val); |
| } |
| } |
| |
| /* leave reset and reject asserted */ |
| ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), |
| (SSB_TMSLOW_REJECT | SSB_TMSLOW_RESET)); |
| udelay(1); |
| } |
| |
| static void brcmf_chip_ai_coredisable(struct brcmf_core_priv *core, |
| u32 prereset, u32 reset) |
| { |
| struct brcmf_chip_priv *ci; |
| u32 regdata; |
| |
| ci = core->chip; |
| |
| /* if core is already in reset, skip reset */ |
| regdata = ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL); |
| if ((regdata & BCMA_RESET_CTL_RESET) != 0) |
| goto in_reset_configure; |
| |
| /* configure reset */ |
| ci->ops->write32(ci->ctx, core->wrapbase + BCMA_IOCTL, |
| prereset | BCMA_IOCTL_FGC | BCMA_IOCTL_CLK); |
| ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); |
| |
| /* put in reset */ |
| ci->ops->write32(ci->ctx, core->wrapbase + BCMA_RESET_CTL, |
| BCMA_RESET_CTL_RESET); |
| usleep_range(10, 20); |
| |
| /* wait till reset is 1 */ |
| SPINWAIT(ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL) != |
| BCMA_RESET_CTL_RESET, 300); |
| |
| in_reset_configure: |
| /* in-reset configure */ |
| ci->ops->write32(ci->ctx, core->wrapbase + BCMA_IOCTL, |
| reset | BCMA_IOCTL_FGC | BCMA_IOCTL_CLK); |
| ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); |
| } |
| |
| static void brcmf_chip_sb_resetcore(struct brcmf_core_priv *core, u32 prereset, |
| u32 reset, u32 postreset) |
| { |
| struct brcmf_chip_priv *ci; |
| u32 regdata; |
| u32 base; |
| |
| ci = core->chip; |
| base = core->pub.base; |
| /* |
| * Must do the disable sequence first to work for |
| * arbitrary current core state. |
| */ |
| brcmf_chip_sb_coredisable(core, 0, 0); |
| |
| /* |
| * Now do the initialization sequence. |
| * set reset while enabling the clock and |
| * forcing them on throughout the core |
| */ |
| ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), |
| SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK | |
| SSB_TMSLOW_RESET); |
| regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); |
| udelay(1); |
| |
| /* clear any serror */ |
| regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatehigh)); |
| if (regdata & SSB_TMSHIGH_SERR) |
| ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatehigh), 0); |
| |
| regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbimstate)); |
| if (regdata & (SSB_IMSTATE_IBE | SSB_IMSTATE_TO)) { |
| regdata &= ~(SSB_IMSTATE_IBE | SSB_IMSTATE_TO); |
| ci->ops->write32(ci->ctx, CORE_SB(base, sbimstate), regdata); |
| } |
| |
| /* clear reset and allow it to propagate throughout the core */ |
| ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), |
| SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK); |
| regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); |
| udelay(1); |
| |
| /* leave clock enabled */ |
| ci->ops->write32(ci->ctx, CORE_SB(base, sbtmstatelow), |
| SSB_TMSLOW_CLOCK); |
| regdata = ci->ops->read32(ci->ctx, CORE_SB(base, sbtmstatelow)); |
| udelay(1); |
| } |
| |
| static void brcmf_chip_ai_resetcore(struct brcmf_core_priv *core, u32 prereset, |
| u32 reset, u32 postreset) |
| { |
| struct brcmf_chip_priv *ci; |
| int count; |
| |
| ci = core->chip; |
| |
| /* must disable first to work for arbitrary current core state */ |
| brcmf_chip_ai_coredisable(core, prereset, reset); |
| |
| count = 0; |
| while (ci->ops->read32(ci->ctx, core->wrapbase + BCMA_RESET_CTL) & |
| BCMA_RESET_CTL_RESET) { |
| ci->ops->write32(ci->ctx, core->wrapbase + BCMA_RESET_CTL, 0); |
| count++; |
| if (count > 50) |
| break; |
| usleep_range(40, 60); |
| } |
| |
| ci->ops->write32(ci->ctx, core->wrapbase + BCMA_IOCTL, |
| postreset | BCMA_IOCTL_CLK); |
| ci->ops->read32(ci->ctx, core->wrapbase + BCMA_IOCTL); |
| } |
| |
| static char *brcmf_chip_name(uint chipid, char *buf, uint len) |
| { |
| const char *fmt; |
| |
| fmt = ((chipid > 0xa000) || (chipid < 0x4000)) ? "%d" : "%x"; |
| snprintf(buf, len, fmt, chipid); |
| return buf; |
| } |
| |
| static struct brcmf_core *brcmf_chip_add_core(struct brcmf_chip_priv *ci, |
| u16 coreid, u32 base, |
| u32 wrapbase) |
| { |
| struct brcmf_core_priv *core; |
| |
| core = kzalloc(sizeof(*core), GFP_KERNEL); |
| if (!core) |
| return ERR_PTR(-ENOMEM); |
| |
| core->pub.id = coreid; |
| core->pub.base = base; |
| core->chip = ci; |
| core->wrapbase = wrapbase; |
| |
| list_add_tail(&core->list, &ci->cores); |
| return &core->pub; |
| } |
| |
| /* safety check for chipinfo */ |
| static int brcmf_chip_cores_check(struct brcmf_chip_priv *ci) |
| { |
| struct brcmf_core_priv *core; |
| bool need_socram = false; |
| bool has_socram = false; |
| bool cpu_found = false; |
| int idx = 1; |
| |
| list_for_each_entry(core, &ci->cores, list) { |
| brcmf_dbg(INFO, " [%-2d] core 0x%x:%-2d base 0x%08x wrap 0x%08x\n", |
| idx++, core->pub.id, core->pub.rev, core->pub.base, |
| core->wrapbase); |
| |
| switch (core->pub.id) { |
| case BCMA_CORE_ARM_CM3: |
| cpu_found = true; |
| need_socram = true; |
| break; |
| case BCMA_CORE_INTERNAL_MEM: |
| has_socram = true; |
| break; |
| case BCMA_CORE_ARM_CR4: |
| cpu_found = true; |
| break; |
| case BCMA_CORE_ARM_CA7: |
| cpu_found = true; |
| break; |
| default: |
| break; |
| } |
| } |
| |
| if (!cpu_found) { |
| brcmf_err("CPU core not detected\n"); |
| return -ENXIO; |
| } |
| /* check RAM core presence for ARM CM3 core */ |
| if (need_socram && !has_socram) { |
| brcmf_err("RAM core not provided with ARM CM3 core\n"); |
| return -ENODEV; |
| } |
| return 0; |
| } |
| |
| static u32 brcmf_chip_core_read32(struct brcmf_core_priv *core, u16 reg) |
| { |
| return core->chip->ops->read32(core->chip->ctx, core->pub.base + reg); |
| } |
| |
| static void brcmf_chip_core_write32(struct brcmf_core_priv *core, |
| u16 reg, u32 val) |
| { |
| core->chip->ops->write32(core->chip->ctx, core->pub.base + reg, val); |
| } |
| |
| static bool brcmf_chip_socram_banksize(struct brcmf_core_priv *core, u8 idx, |
| u32 *banksize) |
| { |
| u32 bankinfo; |
| u32 bankidx = (SOCRAM_MEMTYPE_RAM << SOCRAM_BANKIDX_MEMTYPE_SHIFT); |
| |
| bankidx |= idx; |
| brcmf_chip_core_write32(core, SOCRAMREGOFFS(bankidx), bankidx); |
| bankinfo = brcmf_chip_core_read32(core, SOCRAMREGOFFS(bankinfo)); |
| *banksize = (bankinfo & SOCRAM_BANKINFO_SZMASK) + 1; |
| *banksize *= SOCRAM_BANKINFO_SZBASE; |
| return !!(bankinfo & SOCRAM_BANKINFO_RETNTRAM_MASK); |
| } |
| |
| static void brcmf_chip_socram_ramsize(struct brcmf_core_priv *sr, u32 *ramsize, |
| u32 *srsize) |
| { |
| u32 coreinfo; |
| uint nb, banksize, lss; |
| bool retent; |
| int i; |
| |
| *ramsize = 0; |
| *srsize = 0; |
| |
| if (WARN_ON(sr->pub.rev < 4)) |
| return; |
| |
| if (!brcmf_chip_iscoreup(&sr->pub)) |
| brcmf_chip_resetcore(&sr->pub, 0, 0, 0); |
| |
| /* Get info for determining size */ |
| coreinfo = brcmf_chip_core_read32(sr, SOCRAMREGOFFS(coreinfo)); |
| nb = (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT; |
| |
| if ((sr->pub.rev <= 7) || (sr->pub.rev == 12)) { |
| banksize = (coreinfo & SRCI_SRBSZ_MASK); |
| lss = (coreinfo & SRCI_LSS_MASK) >> SRCI_LSS_SHIFT; |
| if (lss != 0) |
| nb--; |
| *ramsize = nb * (1 << (banksize + SR_BSZ_BASE)); |
| if (lss != 0) |
| *ramsize += (1 << ((lss - 1) + SR_BSZ_BASE)); |
| } else { |
| /* length of SRAM Banks increased for corerev greater than 23 */ |
| if (sr->pub.rev >= 23) { |
| nb = (coreinfo & (SRCI_SRNB_MASK | SRCI_SRNB_MASK_EXT)) |
| >> SRCI_SRNB_SHIFT; |
| } else { |
| nb = (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT; |
| } |
| for (i = 0; i < nb; i++) { |
| retent = brcmf_chip_socram_banksize(sr, i, &banksize); |
| *ramsize += banksize; |
| if (retent) |
| *srsize += banksize; |
| } |
| } |
| |
| /* hardcoded save&restore memory sizes */ |
| switch (sr->chip->pub.chip) { |
| case BRCM_CC_4334_CHIP_ID: |
| if (sr->chip->pub.chiprev < 2) |
| *srsize = (32 * 1024); |
| break; |
| case BRCM_CC_43430_CHIP_ID: |
| /* assume sr for now as we can not check |
| * firmware sr capability at this point. |
| */ |
| *srsize = (64 * 1024); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| /** Return the SYS MEM size */ |
| static u32 brcmf_chip_sysmem_ramsize(struct brcmf_core_priv *sysmem) |
| { |
| u32 memsize = 0; |
| u32 coreinfo; |
| u32 idx; |
| u32 nb; |
| u32 banksize; |
| |
| if (!brcmf_chip_iscoreup(&sysmem->pub)) |
| brcmf_chip_resetcore(&sysmem->pub, 0, 0, 0); |
| |
| coreinfo = brcmf_chip_core_read32(sysmem, SYSMEMREGOFFS(coreinfo)); |
| nb = (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT; |
| |
| for (idx = 0; idx < nb; idx++) { |
| brcmf_chip_socram_banksize(sysmem, idx, &banksize); |
| memsize += banksize; |
| } |
| |
| return memsize; |
| } |
| |
| /** Return the TCM-RAM size of the ARMCR4 core. */ |
| static u32 brcmf_chip_tcm_ramsize(struct brcmf_core_priv *cr4) |
| { |
| u32 corecap; |
| u32 memsize = 0; |
| u32 nab; |
| u32 nbb; |
| u32 totb; |
| u32 bxinfo; |
| u32 idx; |
| |
| corecap = brcmf_chip_core_read32(cr4, ARMCR4_CAP); |
| |
| nab = (corecap & ARMCR4_TCBANB_MASK) >> ARMCR4_TCBANB_SHIFT; |
| nbb = (corecap & ARMCR4_TCBBNB_MASK) >> ARMCR4_TCBBNB_SHIFT; |
| totb = nab + nbb; |
| |
| for (idx = 0; idx < totb; idx++) { |
| brcmf_chip_core_write32(cr4, ARMCR4_BANKIDX, idx); |
| bxinfo = brcmf_chip_core_read32(cr4, ARMCR4_BANKINFO); |
| memsize += ((bxinfo & ARMCR4_BSZ_MASK) + 1) * ARMCR4_BSZ_MULT; |
| } |
| |
| return memsize; |
| } |
| |
| static u32 brcmf_chip_tcm_rambase(struct brcmf_chip_priv *ci) |
| { |
| switch (ci->pub.chip) { |
| case BRCM_CC_4345_CHIP_ID: |
| return 0x198000; |
| case BRCM_CC_4335_CHIP_ID: |
| case BRCM_CC_4339_CHIP_ID: |
| case BRCM_CC_4350_CHIP_ID: |
| case BRCM_CC_4354_CHIP_ID: |
| case BRCM_CC_4356_CHIP_ID: |
| case BRCM_CC_43567_CHIP_ID: |
| case BRCM_CC_43569_CHIP_ID: |
| case BRCM_CC_43570_CHIP_ID: |
| case BRCM_CC_4358_CHIP_ID: |
| case BRCM_CC_4359_CHIP_ID: |
| case BRCM_CC_43602_CHIP_ID: |
| case BRCM_CC_4371_CHIP_ID: |
| return 0x180000; |
| case BRCM_CC_43465_CHIP_ID: |
| case BRCM_CC_43525_CHIP_ID: |
| case BRCM_CC_4365_CHIP_ID: |
| case BRCM_CC_4366_CHIP_ID: |
| return 0x200000; |
| case CY_CC_4373_CHIP_ID: |
| return 0x160000; |
| default: |
| brcmf_err("unknown chip: %s\n", ci->pub.name); |
| break; |
| } |
| return 0; |
| } |
| |
| static int brcmf_chip_get_raminfo(struct brcmf_chip_priv *ci) |
| { |
| struct brcmf_core_priv *mem_core; |
| struct brcmf_core *mem; |
| |
| mem = brcmf_chip_get_core(&ci->pub, BCMA_CORE_ARM_CR4); |
| if (mem) { |
| mem_core = container_of(mem, struct brcmf_core_priv, pub); |
| ci->pub.ramsize = brcmf_chip_tcm_ramsize(mem_core); |
| ci->pub.rambase = brcmf_chip_tcm_rambase(ci); |
| if (!ci->pub.rambase) { |
| brcmf_err("RAM base not provided with ARM CR4 core\n"); |
| return -EINVAL; |
| } |
| } else { |
| mem = brcmf_chip_get_core(&ci->pub, BCMA_CORE_SYS_MEM); |
| if (mem) { |
| mem_core = container_of(mem, struct brcmf_core_priv, |
| pub); |
| ci->pub.ramsize = brcmf_chip_sysmem_ramsize(mem_core); |
| ci->pub.rambase = brcmf_chip_tcm_rambase(ci); |
| if (!ci->pub.rambase) { |
| brcmf_err("RAM base not provided with ARM CA7 core\n"); |
| return -EINVAL; |
| } |
| } else { |
| mem = brcmf_chip_get_core(&ci->pub, |
| BCMA_CORE_INTERNAL_MEM); |
| if (!mem) { |
| brcmf_err("No memory cores found\n"); |
| return -ENOMEM; |
| } |
| mem_core = container_of(mem, struct brcmf_core_priv, |
| pub); |
| brcmf_chip_socram_ramsize(mem_core, &ci->pub.ramsize, |
| &ci->pub.srsize); |
| } |
| } |
| brcmf_dbg(INFO, "RAM: base=0x%x size=%d (0x%x) sr=%d (0x%x)\n", |
| ci->pub.rambase, ci->pub.ramsize, ci->pub.ramsize, |
| ci->pub.srsize, ci->pub.srsize); |
| |
| if (!ci->pub.ramsize) { |
| brcmf_err("RAM size is undetermined\n"); |
| return -ENOMEM; |
| } |
| |
| if (ci->pub.ramsize > BRCMF_CHIP_MAX_MEMSIZE) { |
| brcmf_err("RAM size is incorrect\n"); |
| return -ENOMEM; |
| } |
| |
| return 0; |
| } |
| |
| static u32 brcmf_chip_dmp_get_desc(struct brcmf_chip_priv *ci, u32 *eromaddr, |
| u8 *type) |
| { |
| u32 val; |
| |
| /* read next descriptor */ |
| val = ci->ops->read32(ci->ctx, *eromaddr); |
| *eromaddr += 4; |
| |
| if (!type) |
| return val; |
| |
| /* determine descriptor type */ |
| *type = (val & DMP_DESC_TYPE_MSK); |
| if ((*type & ~DMP_DESC_ADDRSIZE_GT32) == DMP_DESC_ADDRESS) |
| *type = DMP_DESC_ADDRESS; |
| |
| return val; |
| } |
| |
| static int brcmf_chip_dmp_get_regaddr(struct brcmf_chip_priv *ci, u32 *eromaddr, |
| u32 *regbase, u32 *wrapbase) |
| { |
| u8 desc; |
| u32 val; |
| u8 mpnum = 0; |
| u8 stype, sztype, wraptype; |
| |
| *regbase = 0; |
| *wrapbase = 0; |
| |
| val = brcmf_chip_dmp_get_desc(ci, eromaddr, &desc); |
| if (desc == DMP_DESC_MASTER_PORT) { |
| mpnum = (val & DMP_MASTER_PORT_NUM) >> DMP_MASTER_PORT_NUM_S; |
| wraptype = DMP_SLAVE_TYPE_MWRAP; |
| } else if (desc == DMP_DESC_ADDRESS) { |
| /* revert erom address */ |
| *eromaddr -= 4; |
| wraptype = DMP_SLAVE_TYPE_SWRAP; |
| } else { |
| *eromaddr -= 4; |
| return -EILSEQ; |
| } |
| |
| do { |
| /* locate address descriptor */ |
| do { |
| val = brcmf_chip_dmp_get_desc(ci, eromaddr, &desc); |
| /* unexpected table end */ |
| if (desc == DMP_DESC_EOT) { |
| *eromaddr -= 4; |
| return -EFAULT; |
| } |
| } while (desc != DMP_DESC_ADDRESS && |
| desc != DMP_DESC_COMPONENT); |
| |
| /* stop if we crossed current component border */ |
| if (desc == DMP_DESC_COMPONENT) { |
| *eromaddr -= 4; |
| return 0; |
| } |
| |
| /* skip upper 32-bit address descriptor */ |
| if (val & DMP_DESC_ADDRSIZE_GT32) |
| brcmf_chip_dmp_get_desc(ci, eromaddr, NULL); |
| |
| sztype = (val & DMP_SLAVE_SIZE_TYPE) >> DMP_SLAVE_SIZE_TYPE_S; |
| |
| /* next size descriptor can be skipped */ |
| if (sztype == DMP_SLAVE_SIZE_DESC) { |
| val = brcmf_chip_dmp_get_desc(ci, eromaddr, NULL); |
| /* skip upper size descriptor if present */ |
| if (val & DMP_DESC_ADDRSIZE_GT32) |
| brcmf_chip_dmp_get_desc(ci, eromaddr, NULL); |
| } |
| |
| /* only look for 4K register regions */ |
| if (sztype != DMP_SLAVE_SIZE_4K) |
| continue; |
| |
| stype = (val & DMP_SLAVE_TYPE) >> DMP_SLAVE_TYPE_S; |
| |
| /* only regular slave and wrapper */ |
| if (*regbase == 0 && stype == DMP_SLAVE_TYPE_SLAVE) |
| *regbase = val & DMP_SLAVE_ADDR_BASE; |
| if (*wrapbase == 0 && stype == wraptype) |
| *wrapbase = val & DMP_SLAVE_ADDR_BASE; |
| } while (*regbase == 0 || *wrapbase == 0); |
| |
| return 0; |
| } |
| |
| static |
| int brcmf_chip_dmp_erom_scan(struct brcmf_chip_priv *ci) |
| { |
| struct brcmf_core *core; |
| u32 eromaddr; |
| u8 desc_type = 0; |
| u32 val; |
| u16 id; |
| u8 nmp, nsp, nmw, nsw, rev; |
| u32 base, wrap; |
| int err; |
| |
| eromaddr = ci->ops->read32(ci->ctx, CORE_CC_REG(SI_ENUM_BASE, eromptr)); |
| |
| while (desc_type != DMP_DESC_EOT) { |
| val = brcmf_chip_dmp_get_desc(ci, &eromaddr, &desc_type); |
| if (!(val & DMP_DESC_VALID)) |
| continue; |
| |
| if (desc_type == DMP_DESC_EMPTY) |
| continue; |
| |
| /* need a component descriptor */ |
| if (desc_type != DMP_DESC_COMPONENT) |
| continue; |
| |
| id = (val & DMP_COMP_PARTNUM) >> DMP_COMP_PARTNUM_S; |
| |
| /* next descriptor must be component as well */ |
| val = brcmf_chip_dmp_get_desc(ci, &eromaddr, &desc_type); |
| if (WARN_ON((val & DMP_DESC_TYPE_MSK) != DMP_DESC_COMPONENT)) |
| return -EFAULT; |
| |
| /* only look at cores with master port(s) */ |
| nmp = (val & DMP_COMP_NUM_MPORT) >> DMP_COMP_NUM_MPORT_S; |
| nsp = (val & DMP_COMP_NUM_SPORT) >> DMP_COMP_NUM_SPORT_S; |
| nmw = (val & DMP_COMP_NUM_MWRAP) >> DMP_COMP_NUM_MWRAP_S; |
| nsw = (val & DMP_COMP_NUM_SWRAP) >> DMP_COMP_NUM_SWRAP_S; |
| rev = (val & DMP_COMP_REVISION) >> DMP_COMP_REVISION_S; |
| |
| /* need core with ports */ |
| if (nmw + nsw == 0 && |
| id != BCMA_CORE_PMU) |
| continue; |
| |
| /* try to obtain register address info */ |
| err = brcmf_chip_dmp_get_regaddr(ci, &eromaddr, &base, &wrap); |
| if (err) |
| continue; |
| |
| /* finally a core to be added */ |
| core = brcmf_chip_add_core(ci, id, base, wrap); |
| if (IS_ERR(core)) |
| return PTR_ERR(core); |
| |
| core->rev = rev; |
| } |
| |
| return 0; |
| } |
| |
| static int brcmf_chip_recognition(struct brcmf_chip_priv *ci) |
| { |
| struct brcmf_core *core; |
| u32 regdata; |
| u32 socitype; |
| int ret; |
| |
| /* Get CC core rev |
| * Chipid is assume to be at offset 0 from SI_ENUM_BASE |
| * For different chiptypes or old sdio hosts w/o chipcommon, |
| * other ways of recognition should be added here. |
| */ |
| regdata = ci->ops->read32(ci->ctx, CORE_CC_REG(SI_ENUM_BASE, chipid)); |
| ci->pub.chip = regdata & CID_ID_MASK; |
| ci->pub.chiprev = (regdata & CID_REV_MASK) >> CID_REV_SHIFT; |
| socitype = (regdata & CID_TYPE_MASK) >> CID_TYPE_SHIFT; |
| |
| brcmf_chip_name(ci->pub.chip, ci->pub.name, sizeof(ci->pub.name)); |
| brcmf_dbg(INFO, "found %s chip: BCM%s, rev=%d\n", |
| socitype == SOCI_SB ? "SB" : "AXI", ci->pub.name, |
| ci->pub.chiprev); |
| |
| if (socitype == SOCI_SB) { |
| if (ci->pub.chip != BRCM_CC_4329_CHIP_ID) { |
| brcmf_err("SB chip is not supported\n"); |
| return -ENODEV; |
| } |
| ci->iscoreup = brcmf_chip_sb_iscoreup; |
| ci->coredisable = brcmf_chip_sb_coredisable; |
| ci->resetcore = brcmf_chip_sb_resetcore; |
| |
| core = brcmf_chip_add_core(ci, BCMA_CORE_CHIPCOMMON, |
| SI_ENUM_BASE, 0); |
| brcmf_chip_sb_corerev(ci, core); |
| core = brcmf_chip_add_core(ci, BCMA_CORE_SDIO_DEV, |
| BCM4329_CORE_BUS_BASE, 0); |
| brcmf_chip_sb_corerev(ci, core); |
| core = brcmf_chip_add_core(ci, BCMA_CORE_INTERNAL_MEM, |
| BCM4329_CORE_SOCRAM_BASE, 0); |
| brcmf_chip_sb_corerev(ci, core); |
| core = brcmf_chip_add_core(ci, BCMA_CORE_ARM_CM3, |
| BCM4329_CORE_ARM_BASE, 0); |
| brcmf_chip_sb_corerev(ci, core); |
| |
| core = brcmf_chip_add_core(ci, BCMA_CORE_80211, 0x18001000, 0); |
| brcmf_chip_sb_corerev(ci, core); |
| } else if (socitype == SOCI_AI) { |
| ci->iscoreup = brcmf_chip_ai_iscoreup; |
| ci->coredisable = brcmf_chip_ai_coredisable; |
| ci->resetcore = brcmf_chip_ai_resetcore; |
| |
| brcmf_chip_dmp_erom_scan(ci); |
| } else { |
| brcmf_err("chip backplane type %u is not supported\n", |
| socitype); |
| return -ENODEV; |
| } |
| |
| ret = brcmf_chip_cores_check(ci); |
| if (ret) |
| return ret; |
| |
| /* assure chip is passive for core access */ |
| brcmf_chip_set_passive(&ci->pub); |
| |
| /* Call bus specific reset function now. Cores have been determined |
| * but further access may require a chip specific reset at this point. |
| */ |
| if (ci->ops->reset) { |
| ci->ops->reset(ci->ctx, &ci->pub); |
| brcmf_chip_set_passive(&ci->pub); |
| } |
| |
| return brcmf_chip_get_raminfo(ci); |
| } |
| |
| static void brcmf_chip_disable_arm(struct brcmf_chip_priv *chip, u16 id) |
| { |
| struct brcmf_core *core; |
| struct brcmf_core_priv *cpu; |
| u32 val; |
| |
| |
| core = brcmf_chip_get_core(&chip->pub, id); |
| if (!core) |
| return; |
| |
| switch (id) { |
| case BCMA_CORE_ARM_CM3: |
| brcmf_chip_coredisable(core, 0, 0); |
| break; |
| case BCMA_CORE_ARM_CR4: |
| case BCMA_CORE_ARM_CA7: |
| cpu = container_of(core, struct brcmf_core_priv, pub); |
| |
| /* clear all IOCTL bits except HALT bit */ |
| val = chip->ops->read32(chip->ctx, cpu->wrapbase + BCMA_IOCTL); |
| val &= ARMCR4_BCMA_IOCTL_CPUHALT; |
| brcmf_chip_resetcore(core, val, ARMCR4_BCMA_IOCTL_CPUHALT, |
| ARMCR4_BCMA_IOCTL_CPUHALT); |
| break; |
| default: |
| brcmf_err("unknown id: %u\n", id); |
| break; |
| } |
| } |
| |
| static int brcmf_chip_setup(struct brcmf_chip_priv *chip) |
| { |
| struct brcmf_chip *pub; |
| struct brcmf_core_priv *cc; |
| struct brcmf_core *pmu; |
| u32 base; |
| u32 val; |
| int ret = 0; |
| |
| pub = &chip->pub; |
| cc = list_first_entry(&chip->cores, struct brcmf_core_priv, list); |
| base = cc->pub.base; |
| |
| /* get chipcommon capabilites */ |
| pub->cc_caps = chip->ops->read32(chip->ctx, |
| CORE_CC_REG(base, capabilities)); |
| pub->cc_caps_ext = chip->ops->read32(chip->ctx, |
| CORE_CC_REG(base, |
| capabilities_ext)); |
| |
| /* get pmu caps & rev */ |
| pmu = brcmf_chip_get_pmu(pub); /* after reading cc_caps_ext */ |
| if (pub->cc_caps & CC_CAP_PMU) { |
| val = chip->ops->read32(chip->ctx, |
| CORE_CC_REG(pmu->base, pmucapabilities)); |
| pub->pmurev = val & PCAP_REV_MASK; |
| pub->pmucaps = val; |
| } |
| |
| brcmf_dbg(INFO, "ccrev=%d, pmurev=%d, pmucaps=0x%x\n", |
| cc->pub.rev, pub->pmurev, pub->pmucaps); |
| |
| /* execute bus core specific setup */ |
| if (chip->ops->setup) |
| ret = chip->ops->setup(chip->ctx, pub); |
| |
| return ret; |
| } |
| |
| struct brcmf_chip *brcmf_chip_attach(void *ctx, |
| const struct brcmf_buscore_ops *ops) |
| { |
| struct brcmf_chip_priv *chip; |
| int err = 0; |
| |
| if (WARN_ON(!ops->read32)) |
| err = -EINVAL; |
| if (WARN_ON(!ops->write32)) |
| err = -EINVAL; |
| if (WARN_ON(!ops->prepare)) |
| err = -EINVAL; |
| if (WARN_ON(!ops->activate)) |
| err = -EINVAL; |
| if (err < 0) |
| return ERR_PTR(-EINVAL); |
| |
| chip = kzalloc(sizeof(*chip), GFP_KERNEL); |
| if (!chip) |
| return ERR_PTR(-ENOMEM); |
| |
| INIT_LIST_HEAD(&chip->cores); |
| chip->num_cores = 0; |
| chip->ops = ops; |
| chip->ctx = ctx; |
| |
| err = ops->prepare(ctx); |
| if (err < 0) |
| goto fail; |
| |
| err = brcmf_chip_recognition(chip); |
| if (err < 0) |
| goto fail; |
| |
| err = brcmf_chip_setup(chip); |
| if (err < 0) |
| goto fail; |
| |
| return &chip->pub; |
| |
| fail: |
| brcmf_chip_detach(&chip->pub); |
| return ERR_PTR(err); |
| } |
| |
| void brcmf_chip_detach(struct brcmf_chip *pub) |
| { |
| struct brcmf_chip_priv *chip; |
| struct brcmf_core_priv *core; |
| struct brcmf_core_priv *tmp; |
| |
| chip = container_of(pub, struct brcmf_chip_priv, pub); |
| list_for_each_entry_safe(core, tmp, &chip->cores, list) { |
| list_del(&core->list); |
| kfree(core); |
| } |
| kfree(chip); |
| } |
| |
| struct brcmf_core *brcmf_chip_get_core(struct brcmf_chip *pub, u16 coreid) |
| { |
| struct brcmf_chip_priv *chip; |
| struct brcmf_core_priv *core; |
| |
| chip = container_of(pub, struct brcmf_chip_priv, pub); |
| list_for_each_entry(core, &chip->cores, list) |
| if (core->pub.id == coreid) |
| return &core->pub; |
| |
| return NULL; |
| } |
| |
| struct brcmf_core *brcmf_chip_get_chipcommon(struct brcmf_chip *pub) |
| { |
| struct brcmf_chip_priv *chip; |
| struct brcmf_core_priv *cc; |
| |
| chip = container_of(pub, struct brcmf_chip_priv, pub); |
| cc = list_first_entry(&chip->cores, struct brcmf_core_priv, list); |
| if (WARN_ON(!cc || cc->pub.id != BCMA_CORE_CHIPCOMMON)) |
| return brcmf_chip_get_core(pub, BCMA_CORE_CHIPCOMMON); |
| return &cc->pub; |
| } |
| |
| struct brcmf_core *brcmf_chip_get_pmu(struct brcmf_chip *pub) |
| { |
| struct brcmf_core *cc = brcmf_chip_get_chipcommon(pub); |
| struct brcmf_core *pmu; |
| |
| /* See if there is separated PMU core available */ |
| if (cc->rev >= 35 && |
| pub->cc_caps_ext & BCMA_CC_CAP_EXT_AOB_PRESENT) { |
| pmu = brcmf_chip_get_core(pub, BCMA_CORE_PMU); |
| if (pmu) |
| return pmu; |
| } |
| |
| /* Fallback to ChipCommon core for older hardware */ |
| return cc; |
| } |
| |
| bool brcmf_chip_iscoreup(struct brcmf_core *pub) |
| { |
| struct brcmf_core_priv *core; |
| |
| core = container_of(pub, struct brcmf_core_priv, pub); |
| return core->chip->iscoreup(core); |
| } |
| |
| void brcmf_chip_coredisable(struct brcmf_core *pub, u32 prereset, u32 reset) |
| { |
| struct brcmf_core_priv *core; |
| |
| core = container_of(pub, struct brcmf_core_priv, pub); |
| core->chip->coredisable(core, prereset, reset); |
| } |
| |
| void brcmf_chip_resetcore(struct brcmf_core *pub, u32 prereset, u32 reset, |
| u32 postreset) |
| { |
| struct brcmf_core_priv *core; |
| |
| core = container_of(pub, struct brcmf_core_priv, pub); |
| core->chip->resetcore(core, prereset, reset, postreset); |
| } |
| |
| static void |
| brcmf_chip_cm3_set_passive(struct brcmf_chip_priv *chip) |
| { |
| struct brcmf_core *core; |
| struct brcmf_core_priv *sr; |
| |
| brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CM3); |
| core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_80211); |
| brcmf_chip_resetcore(core, D11_BCMA_IOCTL_PHYRESET | |
| D11_BCMA_IOCTL_PHYCLOCKEN, |
| D11_BCMA_IOCTL_PHYCLOCKEN, |
| D11_BCMA_IOCTL_PHYCLOCKEN); |
| core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_INTERNAL_MEM); |
| brcmf_chip_resetcore(core, 0, 0, 0); |
| |
| /* disable bank #3 remap for this device */ |
| if (chip->pub.chip == BRCM_CC_43430_CHIP_ID) { |
| sr = container_of(core, struct brcmf_core_priv, pub); |
| brcmf_chip_core_write32(sr, SOCRAMREGOFFS(bankidx), 3); |
| brcmf_chip_core_write32(sr, SOCRAMREGOFFS(bankpda), 0); |
| } |
| } |
| |
| static bool brcmf_chip_cm3_set_active(struct brcmf_chip_priv *chip) |
| { |
| struct brcmf_core *core; |
| |
| core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_INTERNAL_MEM); |
| if (!brcmf_chip_iscoreup(core)) { |
| brcmf_err("SOCRAM core is down after reset?\n"); |
| return false; |
| } |
| |
| chip->ops->activate(chip->ctx, &chip->pub, 0); |
| |
| core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_ARM_CM3); |
| brcmf_chip_resetcore(core, 0, 0, 0); |
| |
| return true; |
| } |
| |
| static inline void |
| brcmf_chip_cr4_set_passive(struct brcmf_chip_priv *chip) |
| { |
| struct brcmf_core *core; |
| |
| brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CR4); |
| |
| core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_80211); |
| brcmf_chip_resetcore(core, D11_BCMA_IOCTL_PHYRESET | |
| D11_BCMA_IOCTL_PHYCLOCKEN, |
| D11_BCMA_IOCTL_PHYCLOCKEN, |
| D11_BCMA_IOCTL_PHYCLOCKEN); |
| } |
| |
| static bool brcmf_chip_cr4_set_active(struct brcmf_chip_priv *chip, u32 rstvec) |
| { |
| struct brcmf_core *core; |
| |
| chip->ops->activate(chip->ctx, &chip->pub, rstvec); |
| |
| /* restore ARM */ |
| core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_ARM_CR4); |
| brcmf_chip_resetcore(core, ARMCR4_BCMA_IOCTL_CPUHALT, 0, 0); |
| |
| return true; |
| } |
| |
| static inline void |
| brcmf_chip_ca7_set_passive(struct brcmf_chip_priv *chip) |
| { |
| struct brcmf_core *core; |
| |
| brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CA7); |
| |
| core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_80211); |
| brcmf_chip_resetcore(core, D11_BCMA_IOCTL_PHYRESET | |
| D11_BCMA_IOCTL_PHYCLOCKEN, |
| D11_BCMA_IOCTL_PHYCLOCKEN, |
| D11_BCMA_IOCTL_PHYCLOCKEN); |
| } |
| |
| static bool brcmf_chip_ca7_set_active(struct brcmf_chip_priv *chip, u32 rstvec) |
| { |
| struct brcmf_core *core; |
| |
| chip->ops->activate(chip->ctx, &chip->pub, rstvec); |
| |
| /* restore ARM */ |
| core = brcmf_chip_get_core(&chip->pub, BCMA_CORE_ARM_CA7); |
| brcmf_chip_resetcore(core, ARMCR4_BCMA_IOCTL_CPUHALT, 0, 0); |
| |
| return true; |
| } |
| |
| void brcmf_chip_set_passive(struct brcmf_chip *pub) |
| { |
| struct brcmf_chip_priv *chip; |
| struct brcmf_core *arm; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| |
| chip = container_of(pub, struct brcmf_chip_priv, pub); |
| arm = brcmf_chip_get_core(pub, BCMA_CORE_ARM_CR4); |
| if (arm) { |
| brcmf_chip_cr4_set_passive(chip); |
| return; |
| } |
| arm = brcmf_chip_get_core(pub, BCMA_CORE_ARM_CA7); |
| if (arm) { |
| brcmf_chip_ca7_set_passive(chip); |
| return; |
| } |
| arm = brcmf_chip_get_core(pub, BCMA_CORE_ARM_CM3); |
| if (arm) { |
| brcmf_chip_cm3_set_passive(chip); |
| return; |
| } |
| } |
| |
| bool brcmf_chip_set_active(struct brcmf_chip *pub, u32 rstvec) |
| { |
| struct brcmf_chip_priv *chip; |
| struct brcmf_core *arm; |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| |
| chip = container_of(pub, struct brcmf_chip_priv, pub); |
| arm = brcmf_chip_get_core(pub, BCMA_CORE_ARM_CR4); |
| if (arm) |
| return brcmf_chip_cr4_set_active(chip, rstvec); |
| arm = brcmf_chip_get_core(pub, BCMA_CORE_ARM_CA7); |
| if (arm) |
| return brcmf_chip_ca7_set_active(chip, rstvec); |
| arm = brcmf_chip_get_core(pub, BCMA_CORE_ARM_CM3); |
| if (arm) |
| return brcmf_chip_cm3_set_active(chip); |
| |
| return false; |
| } |
| |
| bool brcmf_chip_sr_capable(struct brcmf_chip *pub) |
| { |
| u32 base, addr, reg, pmu_cc3_mask = ~0; |
| struct brcmf_chip_priv *chip; |
| struct brcmf_core *pmu = brcmf_chip_get_pmu(pub); |
| |
| brcmf_dbg(TRACE, "Enter\n"); |
| |
| /* old chips with PMU version less than 17 don't support save restore */ |
| if (pub->pmurev < 17) |
| return false; |
| |
| base = brcmf_chip_get_chipcommon(pub)->base; |
| chip = container_of(pub, struct brcmf_chip_priv, pub); |
| |
| switch (pub->chip) { |
| case BRCM_CC_4354_CHIP_ID: |
| case BRCM_CC_4356_CHIP_ID: |
| /* explicitly check SR engine enable bit */ |
| pmu_cc3_mask = BIT(2); |
| /* fall-through */ |
| case BRCM_CC_43241_CHIP_ID: |
| case BRCM_CC_4335_CHIP_ID: |
| case BRCM_CC_4339_CHIP_ID: |
| /* read PMU chipcontrol register 3 */ |
| addr = CORE_CC_REG(pmu->base, chipcontrol_addr); |
| chip->ops->write32(chip->ctx, addr, 3); |
| addr = CORE_CC_REG(pmu->base, chipcontrol_data); |
| reg = chip->ops->read32(chip->ctx, addr); |
| return (reg & pmu_cc3_mask) != 0; |
| case BRCM_CC_43430_CHIP_ID: |
| addr = CORE_CC_REG(base, sr_control1); |
| reg = chip->ops->read32(chip->ctx, addr); |
| return reg != 0; |
| case CY_CC_43012_CHIP_ID: |
| addr = CORE_CC_REG(pmu->base, retention_ctl); |
| reg = chip->ops->read32(chip->ctx, addr); |
| return (reg & (PMU_RCTL_MACPHY_DISABLE_MASK | |
| PMU_RCTL_LOGIC_DISABLE_MASK)) == 0; |
| default: |
| addr = CORE_CC_REG(pmu->base, pmucapabilities_ext); |
| reg = chip->ops->read32(chip->ctx, addr); |
| if ((reg & PCAPEXT_SR_SUPPORTED_MASK) == 0) |
| return false; |
| |
| addr = CORE_CC_REG(pmu->base, retention_ctl); |
| reg = chip->ops->read32(chip->ctx, addr); |
| return (reg & (PMU_RCTL_MACPHY_DISABLE_MASK | |
| PMU_RCTL_LOGIC_DISABLE_MASK)) == 0; |
| } |
| } |