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-rw-r--r--drivers/net/wireless/brcm80211/brcmsmac/aiutils.c157
1 files changed, 35 insertions, 122 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
index ef1441a9a4e..7aa47b3252c 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c
@@ -318,16 +318,6 @@
#define BADIDX (SI_MAXCORES + 1)
-/* Newer chips can access PCI/PCIE and CC core without requiring to change
- * PCI BAR0 WIN
- */
-#define SI_FAST(sih) ((ai_get_buscoretype(sih) == PCIE_CORE_ID) || \
- ((ai_get_buscoretype(sih) == PCI_CORE_ID) && \
- ai_get_buscorerev(sih) >= 13))
-
-#define CCREGS_FAST(si) (((char __iomem *)((si)->curmap) + \
- PCI_16KB0_CCREGS_OFFSET))
-
#define IS_SIM(chippkg) \
((chippkg == HDLSIM_PKG_ID) || (chippkg == HWSIM_PKG_ID))
@@ -360,9 +350,6 @@
(((x) >= (b)) && ((x) < ((b) + SI_MAXCORES * SI_CORE_SIZE)) && \
IS_ALIGNED((x), SI_CORE_SIZE))
-#define PCIEREGS(si) ((__iomem char *)((si)->curmap) + \
- PCI_16KB0_PCIREGS_OFFSET)
-
struct aidmp {
u32 oobselina30; /* 0x000 */
u32 oobselina74; /* 0x004 */
@@ -777,13 +764,11 @@ ai_buscore_setup(struct si_info *sii, u32 savewin, uint *origidx)
}
/* fixup necessary chip/core configurations */
- if (SI_FAST(&sii->pub)) {
- if (!sii->pch) {
- sii->pch = pcicore_init(&sii->pub, sii->pcibus,
- (__iomem void *)PCIEREGS(sii));
- if (sii->pch == NULL)
- return false;
- }
+ if (!sii->pch) {
+ sii->pch = pcicore_init(&sii->pub, sii->pcibus,
+ sii->curmap + PCI_16KB0_PCIREGS_OFFSET);
+ if (sii->pch == NULL)
+ return false;
}
if (ai_pci_fixcfg(&sii->pub)) {
/* si_doattach: si_pci_fixcfg failed */
@@ -1084,17 +1069,6 @@ void __iomem *ai_switch_core(struct si_pub *sih, uint coreid, uint *origidx,
sii = (struct si_info *)sih;
- if (SI_FAST(sih)) {
- /* Overloading the origidx variable to remember the coreid,
- * this works because the core ids cannot be confused with
- * core indices.
- */
- *origidx = coreid;
- if (coreid == CC_CORE_ID)
- return CCREGS_FAST(sii);
- else if (coreid == ai_get_buscoretype(sih))
- return PCIEREGS(sii);
- }
INTR_OFF(sii, *intr_val);
*origidx = sii->curidx;
cc = ai_setcore(sih, coreid, 0);
@@ -1107,9 +1081,6 @@ void ai_restore_core(struct si_pub *sih, uint coreid, uint intr_val)
struct si_info *sii;
sii = (struct si_info *)sih;
- if (SI_FAST(sih)
- && ((coreid == CC_CORE_ID) || (coreid == ai_get_buscoretype(sih))))
- return;
ai_setcoreidx(sih, coreid);
INTR_RESTORE(sii, intr_val);
@@ -1140,7 +1111,6 @@ uint ai_corereg(struct si_pub *sih, uint coreidx, uint regoff, uint mask,
u32 __iomem *r = NULL;
uint w;
uint intr_val = 0;
- bool fast = false;
struct si_info *sii;
sii = (struct si_info *)sih;
@@ -1148,41 +1118,14 @@ uint ai_corereg(struct si_pub *sih, uint coreidx, uint regoff, uint mask,
if (coreidx >= SI_MAXCORES)
return 0;
- /*
- * If pci/pcie, we can get at pci/pcie regs
- * and on newer cores to chipc
- */
- if ((sii->coreid[coreidx] == CC_CORE_ID) && SI_FAST(sih)) {
- /* Chipc registers are mapped at 12KB */
- fast = true;
- r = (u32 __iomem *)((__iomem char *)sii->curmap +
- PCI_16KB0_CCREGS_OFFSET + regoff);
- } else if (sii->buscoreidx == coreidx) {
- /*
- * pci registers are at either in the last 2KB of
- * an 8KB window or, in pcie and pci rev 13 at 8KB
- */
- fast = true;
- if (SI_FAST(sih))
- r = (u32 __iomem *)((__iomem char *)sii->curmap +
- PCI_16KB0_PCIREGS_OFFSET + regoff);
- else
- r = (u32 __iomem *)((__iomem char *)sii->curmap +
- ((regoff >= SBCONFIGOFF) ?
- PCI_BAR0_PCISBR_OFFSET :
- PCI_BAR0_PCIREGS_OFFSET) + regoff);
- }
-
- if (!fast) {
- INTR_OFF(sii, intr_val);
+ INTR_OFF(sii, intr_val);
- /* save current core index */
- origidx = ai_coreidx(&sii->pub);
+ /* save current core index */
+ origidx = ai_coreidx(&sii->pub);
- /* switch core */
- r = (u32 __iomem *) ((unsigned char __iomem *)
- ai_setcoreidx(&sii->pub, coreidx) + regoff);
- }
+ /* switch core */
+ r = (u32 __iomem *) ((unsigned char __iomem *)
+ ai_setcoreidx(&sii->pub, coreidx) + regoff);
/* mask and set */
if (mask || val) {
@@ -1193,13 +1136,11 @@ uint ai_corereg(struct si_pub *sih, uint coreidx, uint regoff, uint mask,
/* readback */
w = R_REG(r);
- if (!fast) {
- /* restore core index */
- if (origidx != coreidx)
- ai_setcoreidx(&sii->pub, origidx);
+ /* restore core index */
+ if (origidx != coreidx)
+ ai_setcoreidx(&sii->pub, origidx);
- INTR_RESTORE(sii, intr_val);
- }
+ INTR_RESTORE(sii, intr_val);
return w;
}
@@ -1354,24 +1295,16 @@ void ai_clkctl_init(struct si_pub *sih)
struct si_info *sii;
uint origidx = 0;
struct chipcregs __iomem *cc;
- bool fast;
if (!(ai_get_cccaps(sih) & CC_CAP_PWR_CTL))
return;
sii = (struct si_info *)sih;
- fast = SI_FAST(sih);
- if (!fast) {
- origidx = sii->curidx;
- cc = (struct chipcregs __iomem *)
- ai_setcore(sih, CC_CORE_ID, 0);
- if (cc == NULL)
- return;
- } else {
- cc = (struct chipcregs __iomem *) CCREGS_FAST(sii);
- if (cc == NULL)
- return;
- }
+ origidx = sii->curidx;
+ cc = (struct chipcregs __iomem *)
+ ai_setcore(sih, CC_CORE_ID, 0);
+ if (cc == NULL)
+ return;
/* set all Instaclk chip ILP to 1 MHz */
if (ai_get_ccrev(sih) >= 10)
@@ -1380,8 +1313,7 @@ void ai_clkctl_init(struct si_pub *sih)
ai_clkctl_setdelay(sii, cc);
- if (!fast)
- ai_setcoreidx(sih, origidx);
+ ai_setcoreidx(sih, origidx);
}
/*
@@ -1396,7 +1328,6 @@ u16 ai_clkctl_fast_pwrup_delay(struct si_pub *sih)
uint slowminfreq;
u16 fpdelay;
uint intr_val = 0;
- bool fast;
sii = (struct si_info *)sih;
if (ai_get_cccaps(sih) & CC_CAP_PMU) {
@@ -1409,30 +1340,21 @@ u16 ai_clkctl_fast_pwrup_delay(struct si_pub *sih)
if (!(ai_get_cccaps(sih) & CC_CAP_PWR_CTL))
return 0;
- fast = SI_FAST(sih);
fpdelay = 0;
- if (!fast) {
- origidx = sii->curidx;
- INTR_OFF(sii, intr_val);
- cc = (struct chipcregs __iomem *)
- ai_setcore(sih, CC_CORE_ID, 0);
- if (cc == NULL)
- goto done;
- } else {
- cc = (struct chipcregs __iomem *) CCREGS_FAST(sii);
- if (cc == NULL)
- goto done;
- }
+ origidx = sii->curidx;
+ INTR_OFF(sii, intr_val);
+ cc = (struct chipcregs __iomem *)
+ ai_setcore(sih, CC_CORE_ID, 0);
+ if (cc == NULL)
+ goto done;
slowminfreq = ai_slowclk_freq(sii, false, cc);
fpdelay = (((R_REG(&cc->pll_on_delay) + 2) * 1000000) +
(slowminfreq - 1)) / slowminfreq;
done:
- if (!fast) {
- ai_setcoreidx(sih, origidx);
- INTR_RESTORE(sii, intr_val);
- }
+ ai_setcoreidx(sih, origidx);
+ INTR_RESTORE(sii, intr_val);
return fpdelay;
}
@@ -1506,22 +1428,15 @@ static bool _ai_clkctl_cc(struct si_info *sii, uint mode)
struct chipcregs __iomem *cc;
u32 scc;
uint intr_val = 0;
- bool fast = SI_FAST(&sii->pub);
/* chipcommon cores prior to rev6 don't support dynamic clock control */
if (ai_get_ccrev(&sii->pub) < 6)
return false;
- if (!fast) {
- INTR_OFF(sii, intr_val);
- origidx = sii->curidx;
- cc = (struct chipcregs __iomem *)
- ai_setcore(&sii->pub, CC_CORE_ID, 0);
- } else {
- cc = (struct chipcregs __iomem *) CCREGS_FAST(sii);
- if (cc == NULL)
- goto done;
- }
+ INTR_OFF(sii, intr_val);
+ origidx = sii->curidx;
+ cc = (struct chipcregs __iomem *)
+ ai_setcore(&sii->pub, CC_CORE_ID, 0);
if (!(ai_get_cccaps(&sii->pub) & CC_CAP_PWR_CTL) &&
(ai_get_ccrev(&sii->pub) < 20))
@@ -1580,10 +1495,8 @@ static bool _ai_clkctl_cc(struct si_info *sii, uint mode)
}
done:
- if (!fast) {
- ai_setcoreidx(&sii->pub, origidx);
- INTR_RESTORE(sii, intr_val);
- }
+ ai_setcoreidx(&sii->pub, origidx);
+ INTR_RESTORE(sii, intr_val);
return mode == CLK_FAST;
}