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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-21 00:43:21 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-21 00:43:21 +0400 |
commit | 06f4e926d256d902dd9a53dcb400fd74974ce087 (patch) | |
tree | 0b438b67f5f0eff6fd617bc497a9dace6164a488 /drivers/ssb/driver_chipcommon.c | |
parent | 8e7bfcbab3825d1b404d615cb1b54f44ff81f981 (diff) | |
parent | d93515611bbc70c2fe4db232e5feb448ed8e4cc9 (diff) | |
download | linux-06f4e926d256d902dd9a53dcb400fd74974ce087.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1446 commits)
macvlan: fix panic if lowerdev in a bond
tg3: Add braces around 5906 workaround.
tg3: Fix NETIF_F_LOOPBACK error
macvlan: remove one synchronize_rcu() call
networking: NET_CLS_ROUTE4 depends on INET
irda: Fix error propagation in ircomm_lmp_connect_response()
irda: Kill set but unused variable 'bytes' in irlan_check_command_param()
irda: Kill set but unused variable 'clen' in ircomm_connect_indication()
rxrpc: Fix set but unused variable 'usage' in rxrpc_get_transport()
be2net: Kill set but unused variable 'req' in lancer_fw_download()
irda: Kill set but unused vars 'saddr' and 'daddr' in irlan_provider_connect_indication()
atl1c: atl1c_resume() is only used when CONFIG_PM_SLEEP is defined.
rxrpc: Fix set but unused variable 'usage' in rxrpc_get_peer().
rxrpc: Kill set but unused variable 'local' in rxrpc_UDP_error_handler()
rxrpc: Kill set but unused variable 'sp' in rxrpc_process_connection()
rxrpc: Kill set but unused variable 'sp' in rxrpc_rotate_tx_window()
pkt_sched: Kill set but unused variable 'protocol' in tc_classify()
isdn: capi: Use pr_debug() instead of ifdefs.
tg3: Update version to 3.119
tg3: Apply rx_discards fix to 5719/5720
...
Fix up trivial conflicts in arch/x86/Kconfig and net/mac80211/agg-tx.c
as per Davem.
Diffstat (limited to 'drivers/ssb/driver_chipcommon.c')
-rw-r--r-- | drivers/ssb/driver_chipcommon.c | 68 |
1 files changed, 50 insertions, 18 deletions
diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c index 7c031fdc8205..06d15b6f2215 100644 --- a/drivers/ssb/driver_chipcommon.c +++ b/drivers/ssb/driver_chipcommon.c @@ -46,40 +46,66 @@ void ssb_chipco_set_clockmode(struct ssb_chipcommon *cc, if (!ccdev) return; bus = ccdev->bus; + + /* We support SLOW only on 6..9 */ + if (ccdev->id.revision >= 10 && mode == SSB_CLKMODE_SLOW) + mode = SSB_CLKMODE_DYNAMIC; + + if (cc->capabilities & SSB_CHIPCO_CAP_PMU) + return; /* PMU controls clockmode, separated function needed */ + SSB_WARN_ON(ccdev->id.revision >= 20); + /* chipcommon cores prior to rev6 don't support dynamic clock control */ if (ccdev->id.revision < 6) return; - /* chipcommon cores rev10 are a whole new ball game */ + + /* ChipCommon cores rev10+ need testing */ if (ccdev->id.revision >= 10) return; + if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL)) return; switch (mode) { - case SSB_CLKMODE_SLOW: + case SSB_CLKMODE_SLOW: /* For revs 6..9 only */ tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL); tmp |= SSB_CHIPCO_SLOWCLKCTL_FSLOW; chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp); break; case SSB_CLKMODE_FAST: - ssb_pci_xtal(bus, SSB_GPIO_XTAL, 1); /* Force crystal on */ - tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL); - tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW; - tmp |= SSB_CHIPCO_SLOWCLKCTL_IPLL; - chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp); + if (ccdev->id.revision < 10) { + ssb_pci_xtal(bus, SSB_GPIO_XTAL, 1); /* Force crystal on */ + tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL); + tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW; + tmp |= SSB_CHIPCO_SLOWCLKCTL_IPLL; + chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp); + } else { + chipco_write32(cc, SSB_CHIPCO_SYSCLKCTL, + (chipco_read32(cc, SSB_CHIPCO_SYSCLKCTL) | + SSB_CHIPCO_SYSCLKCTL_FORCEHT)); + /* udelay(150); TODO: not available in early init */ + } break; case SSB_CLKMODE_DYNAMIC: - tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL); - tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW; - tmp &= ~SSB_CHIPCO_SLOWCLKCTL_IPLL; - tmp &= ~SSB_CHIPCO_SLOWCLKCTL_ENXTAL; - if ((tmp & SSB_CHIPCO_SLOWCLKCTL_SRC) != SSB_CHIPCO_SLOWCLKCTL_SRC_XTAL) - tmp |= SSB_CHIPCO_SLOWCLKCTL_ENXTAL; - chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp); - - /* for dynamic control, we have to release our xtal_pu "force on" */ - if (tmp & SSB_CHIPCO_SLOWCLKCTL_ENXTAL) - ssb_pci_xtal(bus, SSB_GPIO_XTAL, 0); + if (ccdev->id.revision < 10) { + tmp = chipco_read32(cc, SSB_CHIPCO_SLOWCLKCTL); + tmp &= ~SSB_CHIPCO_SLOWCLKCTL_FSLOW; + tmp &= ~SSB_CHIPCO_SLOWCLKCTL_IPLL; + tmp &= ~SSB_CHIPCO_SLOWCLKCTL_ENXTAL; + if ((tmp & SSB_CHIPCO_SLOWCLKCTL_SRC) != + SSB_CHIPCO_SLOWCLKCTL_SRC_XTAL) + tmp |= SSB_CHIPCO_SLOWCLKCTL_ENXTAL; + chipco_write32(cc, SSB_CHIPCO_SLOWCLKCTL, tmp); + + /* For dynamic control, we have to release our xtal_pu + * "force on" */ + if (tmp & SSB_CHIPCO_SLOWCLKCTL_ENXTAL) + ssb_pci_xtal(bus, SSB_GPIO_XTAL, 0); + } else { + chipco_write32(cc, SSB_CHIPCO_SYSCLKCTL, + (chipco_read32(cc, SSB_CHIPCO_SYSCLKCTL) & + ~SSB_CHIPCO_SYSCLKCTL_FORCEHT)); + } break; default: SSB_WARN_ON(1); @@ -260,6 +286,12 @@ void ssb_chipcommon_init(struct ssb_chipcommon *cc) if (cc->dev->id.revision >= 11) cc->status = chipco_read32(cc, SSB_CHIPCO_CHIPSTAT); ssb_dprintk(KERN_INFO PFX "chipcommon status is 0x%x\n", cc->status); + + if (cc->dev->id.revision >= 20) { + chipco_write32(cc, SSB_CHIPCO_GPIOPULLUP, 0); + chipco_write32(cc, SSB_CHIPCO_GPIOPULLDOWN, 0); + } + ssb_pmu_init(cc); chipco_powercontrol_init(cc); ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST); |