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* Copyright (c) 2010 Broadcom Corporation
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#include <linux/delay.h>
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#include <linux/string.h>
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#include <linux/pci.h>
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#include <linux/slab.h>
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#include <pcie_core.h>
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sbpcieregs_t *pcieregs;
36
struct sbpciregs *pciregs;
37
} regs; /* Memory mapped register to the core */
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si_t *sih; /* System interconnect handle */
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struct osl_info *osh; /* OSL handle */
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u8 pciecap_lcreg_offset; /* PCIE capability LCreg offset in the config space */
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u8 pcie_war_aspm_ovr; /* Override ASPM/Clkreq settings */
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u8 pmecap_offset; /* PM Capability offset in the config space */
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bool pmecap; /* Capable of generating PME */
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#define PCI_ERROR(args)
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#define PCIE_PUB(sih) \
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(((sih)->bustype == PCI_BUS) && ((sih)->buscoretype == PCIE_CORE_ID))
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/* routines to access mdio slave device registers */
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static bool pcie_mdiosetblock(pcicore_info_t *pi, uint blk);
57
static int pcie_mdioop(pcicore_info_t *pi, uint physmedia, uint regaddr,
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bool write, uint *val);
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static int pcie_mdiowrite(pcicore_info_t *pi, uint physmedia, uint readdr,
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static int pcie_mdioread(pcicore_info_t *pi, uint physmedia, uint readdr,
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static void pcie_extendL1timer(pcicore_info_t *pi, bool extend);
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static void pcie_clkreq_upd(pcicore_info_t *pi, uint state);
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static void pcie_war_aspm_clkreq(pcicore_info_t *pi);
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static void pcie_war_serdes(pcicore_info_t *pi);
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static void pcie_war_noplldown(pcicore_info_t *pi);
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static void pcie_war_polarity(pcicore_info_t *pi);
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static void pcie_war_pci_setup(pcicore_info_t *pi);
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static bool pcicore_pmecap(pcicore_info_t *pi);
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#define PCIE_ASPM(sih) ((PCIE_PUB(sih)) && (((sih)->buscorerev >= 3) && ((sih)->buscorerev <= 5)))
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/* delay needed between the mdio control/ mdiodata register data access */
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#define PR28829_DELAY() udelay(10)
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/* Initialize the PCI core. It's caller's responsibility to make sure that this is done
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void *pcicore_init(si_t *sih, struct osl_info *osh, void *regs)
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ASSERT(sih->bustype == PCI_BUS);
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/* alloc pcicore_info_t */
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pi = kzalloc(sizeof(pcicore_info_t), GFP_ATOMIC);
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PCI_ERROR(("pci_attach: malloc failed!\n"));
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if (sih->buscoretype == PCIE_CORE_ID) {
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pi->regs.pcieregs = (sbpcieregs_t *) regs;
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pcicore_find_pci_capability(pi->osh, PCI_CAP_PCIECAP_ID,
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pi->pciecap_lcreg_offset = cap_ptr + PCIE_CAP_LINKCTRL_OFFSET;
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pi->regs.pciregs = (struct sbpciregs *) regs;
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void pcicore_deinit(void *pch)
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pcicore_info_t *pi = (pcicore_info_t *) pch;
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/* return cap_offset if requested capability exists in the PCI config space */
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/* Note that it's caller's responsibility to make sure it's a pci bus */
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pcicore_find_pci_capability(struct osl_info *osh, u8 req_cap_id,
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unsigned char *buf, u32 *buflen)
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/* check for Header type 0 */
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pci_read_config_byte(osh->pdev, PCI_CFG_HDR, &byte_val);
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if ((byte_val & 0x7f) != PCI_HEADER_NORMAL)
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/* check if the capability pointer field exists */
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pci_read_config_byte(osh->pdev, PCI_CFG_STAT, &byte_val);
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if (!(byte_val & PCI_CAPPTR_PRESENT))
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pci_read_config_byte(osh->pdev, PCI_CFG_CAPPTR, &cap_ptr);
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/* check if the capability pointer is 0x00 */
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/* loop thr'u the capability list and see if the pcie capabilty exists */
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pci_read_config_byte(osh->pdev, cap_ptr, &cap_id);
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while (cap_id != req_cap_id) {
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pci_read_config_byte(osh->pdev, cap_ptr + 1, &cap_ptr);
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pci_read_config_byte(osh->pdev, cap_ptr, &cap_id);
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if (cap_id != req_cap_id) {
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/* found the caller requested capability */
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if ((buf != NULL) && (buflen != NULL)) {
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/* copy the cpability data excluding cap ID and next ptr */
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cap_data = cap_ptr + 2;
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if ((bufsize + cap_data) > SZPCR)
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bufsize = SZPCR - cap_data;
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pci_read_config_byte(osh->pdev, cap_data, buf);
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/* ***** Register Access API */
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pcie_readreg(struct osl_info *osh, sbpcieregs_t *pcieregs, uint addrtype,
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uint retval = 0xFFFFFFFF;
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ASSERT(pcieregs != NULL);
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case PCIE_CONFIGREGS:
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W_REG(osh, (&pcieregs->configaddr), offset);
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(void)R_REG(osh, (&pcieregs->configaddr));
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retval = R_REG(osh, &(pcieregs->configdata));
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W_REG(osh, &(pcieregs->pcieindaddr), offset);
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(void)R_REG(osh, (&pcieregs->pcieindaddr));
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retval = R_REG(osh, &(pcieregs->pcieinddata));
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pcie_writereg(struct osl_info *osh, sbpcieregs_t *pcieregs, uint addrtype,
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uint offset, uint val)
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ASSERT(pcieregs != NULL);
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case PCIE_CONFIGREGS:
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W_REG(osh, (&pcieregs->configaddr), offset);
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W_REG(osh, (&pcieregs->configdata), val);
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W_REG(osh, (&pcieregs->pcieindaddr), offset);
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W_REG(osh, (&pcieregs->pcieinddata), val);
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static bool pcie_mdiosetblock(pcicore_info_t *pi, uint blk)
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sbpcieregs_t *pcieregs = pi->regs.pcieregs;
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uint mdiodata, i = 0;
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uint pcie_serdes_spinwait = 200;
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MDIODATA_START | MDIODATA_WRITE | (MDIODATA_DEV_ADDR <<
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MDIODATA_DEVADDR_SHF) |
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(MDIODATA_BLK_ADDR << MDIODATA_REGADDR_SHF) | MDIODATA_TA | (blk <<
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W_REG(pi->osh, &pcieregs->mdiodata, mdiodata);
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/* retry till the transaction is complete */
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while (i < pcie_serdes_spinwait) {
251
if (R_REG(pi->osh, &(pcieregs->mdiocontrol)) &
252
MDIOCTL_ACCESS_DONE) {
259
if (i >= pcie_serdes_spinwait) {
260
PCI_ERROR(("pcie_mdiosetblock: timed out\n"));
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pcie_mdioop(pcicore_info_t *pi, uint physmedia, uint regaddr, bool write,
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sbpcieregs_t *pcieregs = pi->regs.pcieregs;
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uint pcie_serdes_spinwait = 10;
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/* enable mdio access to SERDES */
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W_REG(pi->osh, (&pcieregs->mdiocontrol),
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MDIOCTL_PREAM_EN | MDIOCTL_DIVISOR_VAL);
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if (pi->sih->buscorerev >= 10) {
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/* new serdes is slower in rw, using two layers of reg address mapping */
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if (!pcie_mdiosetblock(pi, physmedia))
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mdiodata = (MDIODATA_DEV_ADDR << MDIODATA_DEVADDR_SHF) |
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(regaddr << MDIODATA_REGADDR_SHF);
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pcie_serdes_spinwait *= 20;
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mdiodata = (physmedia << MDIODATA_DEVADDR_SHF_OLD) |
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(regaddr << MDIODATA_REGADDR_SHF_OLD);
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mdiodata |= (MDIODATA_START | MDIODATA_READ | MDIODATA_TA);
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(MDIODATA_START | MDIODATA_WRITE | MDIODATA_TA | *val);
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W_REG(pi->osh, &pcieregs->mdiodata, mdiodata);
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/* retry till the transaction is complete */
303
while (i < pcie_serdes_spinwait) {
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if (R_REG(pi->osh, &(pcieregs->mdiocontrol)) &
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MDIOCTL_ACCESS_DONE) {
309
(R_REG(pi->osh, &(pcieregs->mdiodata)) &
312
/* Disable mdio access to SERDES */
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W_REG(pi->osh, (&pcieregs->mdiocontrol), 0);
320
PCI_ERROR(("pcie_mdioop: timed out op: %d\n", write));
321
/* Disable mdio access to SERDES */
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W_REG(pi->osh, (&pcieregs->mdiocontrol), 0);
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/* use the mdio interface to read from mdio slaves */
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pcie_mdioread(pcicore_info_t *pi, uint physmedia, uint regaddr, uint *regval)
330
return pcie_mdioop(pi, physmedia, regaddr, false, regval);
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/* use the mdio interface to write to mdio slaves */
335
pcie_mdiowrite(pcicore_info_t *pi, uint physmedia, uint regaddr, uint val)
337
return pcie_mdioop(pi, physmedia, regaddr, true, &val);
340
/* ***** Support functions ***** */
341
u8 pcie_clkreq(void *pch, u32 mask, u32 val)
343
pcicore_info_t *pi = (pcicore_info_t *) pch;
347
offset = pi->pciecap_lcreg_offset;
351
pci_read_config_dword(pi->osh->pdev, offset, ®_val);
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reg_val |= PCIE_CLKREQ_ENAB;
357
reg_val &= ~PCIE_CLKREQ_ENAB;
358
pci_write_config_dword(pi->osh->pdev, offset, reg_val);
359
pci_read_config_dword(pi->osh->pdev, offset, ®_val);
361
if (reg_val & PCIE_CLKREQ_ENAB)
367
static void pcie_extendL1timer(pcicore_info_t *pi, bool extend)
371
struct osl_info *osh = pi->osh;
372
sbpcieregs_t *pcieregs = pi->regs.pcieregs;
374
if (!PCIE_PUB(sih) || sih->buscorerev < 7)
377
w = pcie_readreg(osh, pcieregs, PCIE_PCIEREGS, PCIE_DLLP_PMTHRESHREG);
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w |= PCIE_ASPMTIMER_EXTEND;
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w &= ~PCIE_ASPMTIMER_EXTEND;
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pcie_writereg(osh, pcieregs, PCIE_PCIEREGS, PCIE_DLLP_PMTHRESHREG, w);
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w = pcie_readreg(osh, pcieregs, PCIE_PCIEREGS, PCIE_DLLP_PMTHRESHREG);
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/* centralized clkreq control policy */
387
static void pcie_clkreq_upd(pcicore_info_t *pi, uint state)
390
ASSERT(PCIE_PUB(sih));
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pcie_clkreq((void *)pi, 1, 0);
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if (sih->buscorerev == 6) { /* turn on serdes PLL down */
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si_corereg(sih, SI_CC_IDX,
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offsetof(chipcregs_t, chipcontrol_addr), ~0,
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si_corereg(sih, SI_CC_IDX,
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offsetof(chipcregs_t, chipcontrol_data),
405
} else if (pi->pcie_pr42767) {
406
pcie_clkreq((void *)pi, 1, 1);
410
if (sih->buscorerev == 6) { /* turn off serdes PLL down */
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si_corereg(sih, SI_CC_IDX,
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offsetof(chipcregs_t, chipcontrol_addr), ~0,
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si_corereg(sih, SI_CC_IDX,
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offsetof(chipcregs_t, chipcontrol_data),
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} else if (PCIE_ASPM(sih)) { /* disable clkreq */
418
pcie_clkreq((void *)pi, 1, 0);
427
/* ***** PCI core WARs ***** */
428
/* Done only once at attach time */
429
static void pcie_war_polarity(pcicore_info_t *pi)
433
if (pi->pcie_polarity != 0)
436
w = pcie_readreg(pi->osh, pi->regs.pcieregs, PCIE_PCIEREGS,
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/* Detect the current polarity at attach and force that polarity and
440
* disable changing the polarity
442
if ((w & PCIE_PLP_POLARITYINV_STAT) == 0)
443
pi->pcie_polarity = (SERDES_RX_CTRL_FORCE);
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(SERDES_RX_CTRL_FORCE | SERDES_RX_CTRL_POLARITY);
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/* enable ASPM and CLKREQ if srom doesn't have it */
450
/* Needs to happen when update to shadow SROM is needed
451
* : Coming out of 'standby'/'hibernate'
452
* : If pcie_war_aspm_ovr state changed
454
static void pcie_war_aspm_clkreq(pcicore_info_t *pi)
456
sbpcieregs_t *pcieregs = pi->regs.pcieregs;
464
/* bypass this on QT or VSIM */
465
if (!ISSIM_ENAB(sih)) {
467
reg16 = &pcieregs->sprom[SRSH_ASPM_OFFSET];
468
val16 = R_REG(pi->osh, reg16);
470
val16 &= ~SRSH_ASPM_ENB;
471
if (pi->pcie_war_aspm_ovr == PCIE_ASPM_ENAB)
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val16 |= SRSH_ASPM_ENB;
473
else if (pi->pcie_war_aspm_ovr == PCIE_ASPM_L1_ENAB)
474
val16 |= SRSH_ASPM_L1_ENB;
475
else if (pi->pcie_war_aspm_ovr == PCIE_ASPM_L0s_ENAB)
476
val16 |= SRSH_ASPM_L0s_ENB;
478
W_REG(pi->osh, reg16, val16);
480
pci_read_config_dword(pi->osh->pdev, pi->pciecap_lcreg_offset,
482
w &= ~PCIE_ASPM_ENAB;
483
w |= pi->pcie_war_aspm_ovr;
484
pci_write_config_dword(pi->osh->pdev,
485
pi->pciecap_lcreg_offset, w);
488
reg16 = &pcieregs->sprom[SRSH_CLKREQ_OFFSET_REV5];
489
val16 = R_REG(pi->osh, reg16);
491
if (pi->pcie_war_aspm_ovr != PCIE_ASPM_DISAB) {
492
val16 |= SRSH_CLKREQ_ENB;
493
pi->pcie_pr42767 = true;
495
val16 &= ~SRSH_CLKREQ_ENB;
497
W_REG(pi->osh, reg16, val16);
500
/* Apply the polarity determined at the start */
501
/* Needs to happen when coming out of 'standby'/'hibernate' */
502
static void pcie_war_serdes(pcicore_info_t *pi)
506
if (pi->pcie_polarity != 0)
507
pcie_mdiowrite(pi, MDIODATA_DEV_RX, SERDES_RX_CTRL,
510
pcie_mdioread(pi, MDIODATA_DEV_PLL, SERDES_PLL_CTRL, &w);
511
if (w & PLL_CTRL_FREQDET_EN) {
512
w &= ~PLL_CTRL_FREQDET_EN;
513
pcie_mdiowrite(pi, MDIODATA_DEV_PLL, SERDES_PLL_CTRL, w);
517
/* Fix MISC config to allow coming out of L2/L3-Ready state w/o PRST */
518
/* Needs to happen when coming out of 'standby'/'hibernate' */
519
static void pcie_misc_config_fixup(pcicore_info_t *pi)
521
sbpcieregs_t *pcieregs = pi->regs.pcieregs;
524
reg16 = &pcieregs->sprom[SRSH_PCIE_MISC_CONFIG];
525
val16 = R_REG(pi->osh, reg16);
527
if ((val16 & SRSH_L23READY_EXIT_NOPERST) == 0) {
528
val16 |= SRSH_L23READY_EXIT_NOPERST;
529
W_REG(pi->osh, reg16, val16);
533
/* quick hack for testing */
534
/* Needs to happen when coming out of 'standby'/'hibernate' */
535
static void pcie_war_noplldown(pcicore_info_t *pi)
537
sbpcieregs_t *pcieregs = pi->regs.pcieregs;
540
ASSERT(pi->sih->buscorerev == 7);
542
/* turn off serdes PLL down */
543
si_corereg(pi->sih, SI_CC_IDX, offsetof(chipcregs_t, chipcontrol),
544
CHIPCTRL_4321_PLL_DOWN, CHIPCTRL_4321_PLL_DOWN);
546
/* clear srom shadow backdoor */
547
reg16 = &pcieregs->sprom[SRSH_BD_OFFSET];
548
W_REG(pi->osh, reg16, 0);
551
/* Needs to happen when coming out of 'standby'/'hibernate' */
552
static void pcie_war_pci_setup(pcicore_info_t *pi)
555
struct osl_info *osh = pi->osh;
556
sbpcieregs_t *pcieregs = pi->regs.pcieregs;
559
if ((sih->buscorerev == 0) || (sih->buscorerev == 1)) {
560
w = pcie_readreg(osh, pcieregs, PCIE_PCIEREGS,
561
PCIE_TLP_WORKAROUNDSREG);
563
pcie_writereg(osh, pcieregs, PCIE_PCIEREGS,
564
PCIE_TLP_WORKAROUNDSREG, w);
567
if (sih->buscorerev == 1) {
568
w = pcie_readreg(osh, pcieregs, PCIE_PCIEREGS, PCIE_DLLP_LCREG);
570
pcie_writereg(osh, pcieregs, PCIE_PCIEREGS, PCIE_DLLP_LCREG, w);
573
if (sih->buscorerev == 0) {
574
pcie_mdiowrite(pi, MDIODATA_DEV_RX, SERDES_RX_TIMER1, 0x8128);
575
pcie_mdiowrite(pi, MDIODATA_DEV_RX, SERDES_RX_CDR, 0x0100);
576
pcie_mdiowrite(pi, MDIODATA_DEV_RX, SERDES_RX_CDRBW, 0x1466);
577
} else if (PCIE_ASPM(sih)) {
578
/* Change the L1 threshold for better performance */
579
w = pcie_readreg(osh, pcieregs, PCIE_PCIEREGS,
580
PCIE_DLLP_PMTHRESHREG);
581
w &= ~(PCIE_L1THRESHOLDTIME_MASK);
582
w |= (PCIE_L1THRESHOLD_WARVAL << PCIE_L1THRESHOLDTIME_SHIFT);
583
pcie_writereg(osh, pcieregs, PCIE_PCIEREGS,
584
PCIE_DLLP_PMTHRESHREG, w);
588
pcie_war_aspm_clkreq(pi);
589
} else if (pi->sih->buscorerev == 7)
590
pcie_war_noplldown(pi);
592
/* Note that the fix is actually in the SROM, that's why this is open-ended */
593
if (pi->sih->buscorerev >= 6)
594
pcie_misc_config_fixup(pi);
597
void pcie_war_ovr_aspm_update(void *pch, u8 aspm)
599
pcicore_info_t *pi = (pcicore_info_t *) pch;
601
if (!PCIE_ASPM(pi->sih))
605
if (aspm > PCIE_ASPM_ENAB)
608
pi->pcie_war_aspm_ovr = aspm;
610
/* Update the current state */
611
pcie_war_aspm_clkreq(pi);
614
/* ***** Functions called during driver state changes ***** */
615
void pcicore_attach(void *pch, char *pvars, int state)
617
pcicore_info_t *pi = (pcicore_info_t *) pch;
620
/* Determine if this board needs override */
621
if (PCIE_ASPM(sih)) {
622
if ((u32) getintvar(pvars, "boardflags2") & BFL2_PCIEWAR_OVR) {
623
pi->pcie_war_aspm_ovr = PCIE_ASPM_DISAB;
625
pi->pcie_war_aspm_ovr = PCIE_ASPM_ENAB;
629
/* These need to happen in this order only */
630
pcie_war_polarity(pi);
634
pcie_war_aspm_clkreq(pi);
636
pcie_clkreq_upd(pi, state);
640
void pcicore_hwup(void *pch)
642
pcicore_info_t *pi = (pcicore_info_t *) pch;
644
if (!pi || !PCIE_PUB(pi->sih))
647
pcie_war_pci_setup(pi);
650
void pcicore_up(void *pch, int state)
652
pcicore_info_t *pi = (pcicore_info_t *) pch;
654
if (!pi || !PCIE_PUB(pi->sih))
657
/* Restore L1 timer for better performance */
658
pcie_extendL1timer(pi, true);
660
pcie_clkreq_upd(pi, state);
663
/* When the device is going to enter D3 state (or the system is going to enter S3/S4 states */
664
void pcicore_sleep(void *pch)
666
pcicore_info_t *pi = (pcicore_info_t *) pch;
669
if (!pi || !PCIE_ASPM(pi->sih))
672
pci_read_config_dword(pi->osh->pdev, pi->pciecap_lcreg_offset, &w);
673
w &= ~PCIE_CAP_LCREG_ASPML1;
674
pci_write_config_dword(pi->osh->pdev, pi->pciecap_lcreg_offset, w);
676
pi->pcie_pr42767 = false;
679
void pcicore_down(void *pch, int state)
681
pcicore_info_t *pi = (pcicore_info_t *) pch;
683
if (!pi || !PCIE_PUB(pi->sih))
686
pcie_clkreq_upd(pi, state);
688
/* Reduce L1 timer for better power savings */
689
pcie_extendL1timer(pi, false);
692
/* ***** Wake-on-wireless-LAN (WOWL) support functions ***** */
693
/* Just uses PCI config accesses to find out, when needed before sb_attach is done */
694
bool pcicore_pmecap_fast(struct osl_info *osh)
700
pcicore_find_pci_capability(osh, PCI_CAP_POWERMGMTCAP_ID, NULL,
706
pci_read_config_dword(osh->pdev, cap_ptr, &pmecap);
708
return (pmecap & PME_CAP_PM_STATES) != 0;
711
/* return true if PM capability exists in the pci config space
712
* Uses and caches the information using core handle
714
static bool pcicore_pmecap(pcicore_info_t *pi)
719
if (!pi->pmecap_offset) {
721
pcicore_find_pci_capability(pi->osh,
722
PCI_CAP_POWERMGMTCAP_ID, NULL,
727
pi->pmecap_offset = cap_ptr;
729
pci_read_config_dword(pi->osh->pdev, pi->pmecap_offset,
732
/* At least one state can generate PME */
733
pi->pmecap = (pmecap & PME_CAP_PM_STATES) != 0;
739
/* Enable PME generation */
740
void pcicore_pmeen(void *pch)
742
pcicore_info_t *pi = (pcicore_info_t *) pch;
745
/* if not pmecapable return */
746
if (!pcicore_pmecap(pi))
749
pci_read_config_dword(pi->osh->pdev, pi->pmecap_offset + PME_CSR_OFFSET,
751
w |= (PME_CSR_PME_EN);
752
pci_write_config_dword(pi->osh->pdev,
753
pi->pmecap_offset + PME_CSR_OFFSET, w);
757
* Return true if PME status set
759
bool pcicore_pmestat(void *pch)
761
pcicore_info_t *pi = (pcicore_info_t *) pch;
764
if (!pcicore_pmecap(pi))
767
pci_read_config_dword(pi->osh->pdev, pi->pmecap_offset + PME_CSR_OFFSET,
770
return (w & PME_CSR_PME_STAT) == PME_CSR_PME_STAT;
773
/* Disable PME generation, clear the PME status bit if set
775
void pcicore_pmeclr(void *pch)
777
pcicore_info_t *pi = (pcicore_info_t *) pch;
780
if (!pcicore_pmecap(pi))
783
pci_read_config_dword(pi->osh->pdev, pi->pmecap_offset + PME_CSR_OFFSET,
786
PCI_ERROR(("pcicore_pci_pmeclr PMECSR : 0x%x\n", w));
788
/* PMESTAT is cleared by writing 1 to it */
789
w &= ~(PME_CSR_PME_EN);
791
pci_write_config_dword(pi->osh->pdev,
792
pi->pmecap_offset + PME_CSR_OFFSET, w);
795
u32 pcie_lcreg(void *pch, u32 mask, u32 val)
797
pcicore_info_t *pi = (pcicore_info_t *) pch;
801
offset = pi->pciecap_lcreg_offset;
807
pci_write_config_dword(pi->osh->pdev, offset, val);
809
pci_read_config_dword(pi->osh->pdev, offset, &tmpval);
814
pcicore_pciereg(void *pch, u32 offset, u32 mask, u32 val, uint type)
817
pcicore_info_t *pi = (pcicore_info_t *) pch;
818
sbpcieregs_t *pcieregs = pi->regs.pcieregs;
819
struct osl_info *osh = pi->osh;
822
PCI_ERROR(("PCIEREG: 0x%x writeval 0x%x\n", offset, val));
823
pcie_writereg(osh, pcieregs, type, offset, val);
826
/* Should not read register 0x154 */
827
if (pi->sih->buscorerev <= 5 && offset == PCIE_DLLP_PCIE11
828
&& type == PCIE_PCIEREGS)
831
reg_val = pcie_readreg(osh, pcieregs, type, offset);
832
PCI_ERROR(("PCIEREG: 0x%x readval is 0x%x\n", offset, reg_val));
838
pcicore_pcieserdesreg(void *pch, u32 mdioslave, u32 offset, u32 mask,
842
pcicore_info_t *pi = (pcicore_info_t *) pch;
845
PCI_ERROR(("PCIEMDIOREG: 0x%x writeval 0x%x\n", offset, val));
846
pcie_mdiowrite(pi, mdioslave, offset, val);
849
if (pcie_mdioread(pi, mdioslave, offset, ®_val))
850
reg_val = 0xFFFFFFFF;
851
PCI_ERROR(("PCIEMDIOREG: dev 0x%x offset 0x%x read 0x%x\n", mdioslave,