diff options
| -rw-r--r-- | drivers/bcma/driver_chipcommon_pmu.c | 20 | ||||
| -rw-r--r-- | drivers/bcma/sprom.c | 6 | ||||
| -rw-r--r-- | include/linux/bcma/bcma_driver_chipcommon.h | 18 |
3 files changed, 43 insertions, 1 deletions
diff --git a/drivers/bcma/driver_chipcommon_pmu.c b/drivers/bcma/driver_chipcommon_pmu.c index 5940c81e7e12..4bc10aa57bd4 100644 --- a/drivers/bcma/driver_chipcommon_pmu.c +++ b/drivers/bcma/driver_chipcommon_pmu.c @@ -90,6 +90,24 @@ void bcma_pmu_swreg_init(struct bcma_drv_cc *cc) } } +/* Disable to allow reading SPROM. Don't know the adventages of enabling it. */ +void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable) +{ + struct bcma_bus *bus = cc->core->bus; + u32 val; + + val = bcma_cc_read32(cc, BCMA_CC_CHIPCTL); + if (enable) { + val |= BCMA_CHIPCTL_4331_EXTPA_EN; + if (bus->chipinfo.pkg == 9 || bus->chipinfo.pkg == 11) + val |= BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5; + } else { + val &= ~BCMA_CHIPCTL_4331_EXTPA_EN; + val &= ~BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5; + } + bcma_cc_write32(cc, BCMA_CC_CHIPCTL, val); +} + void bcma_pmu_workarounds(struct bcma_drv_cc *cc) { struct bcma_bus *bus = cc->core->bus; @@ -99,7 +117,7 @@ void bcma_pmu_workarounds(struct bcma_drv_cc *cc) bcma_chipco_chipctl_maskset(cc, 0, ~0, 0x7); break; case 0x4331: - pr_err("Enabling Ext PA lines not implemented\n"); + /* BCM4331 workaround is SPROM-related, we put it in sprom.c */ break; case 43224: if (bus->chipinfo.rev == 0) { diff --git a/drivers/bcma/sprom.c b/drivers/bcma/sprom.c index 8b5b7856abe3..166ed13ec066 100644 --- a/drivers/bcma/sprom.c +++ b/drivers/bcma/sprom.c @@ -152,6 +152,9 @@ int bcma_sprom_get(struct bcma_bus *bus) if (!sprom) return -ENOMEM; + if (bus->chipinfo.id == 0x4331) + bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, false); + /* Most cards have SPROM moved by additional offset 0x30 (48 dwords). * According to brcm80211 this applies to cards with PCIe rev >= 6 * TODO: understand this condition and use it */ @@ -159,6 +162,9 @@ int bcma_sprom_get(struct bcma_bus *bus) BCMA_CC_SPROM_PCIE6; bcma_sprom_read(bus, offset, sprom); + if (bus->chipinfo.id == 0x4331) + bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, true); + err = bcma_sprom_valid(sprom); if (err) goto out; diff --git a/include/linux/bcma/bcma_driver_chipcommon.h b/include/linux/bcma/bcma_driver_chipcommon.h index 6083725dd22e..a7ae33d06f24 100644 --- a/include/linux/bcma/bcma_driver_chipcommon.h +++ b/include/linux/bcma/bcma_driver_chipcommon.h @@ -283,6 +283,22 @@ #define BCMA_CC_PPL_PCHI_OFF 5 #define BCMA_CC_PPL_PCHI_MASK 0x0000003f +/* BCM4331 ChipControl numbers. */ +#define BCMA_CHIPCTL_4331_BT_COEXIST BIT(0) /* 0 disable */ +#define BCMA_CHIPCTL_4331_SECI BIT(1) /* 0 SECI is disabled (JATG functional) */ +#define BCMA_CHIPCTL_4331_EXT_LNA BIT(2) /* 0 disable */ +#define BCMA_CHIPCTL_4331_SPROM_GPIO13_15 BIT(3) /* sprom/gpio13-15 mux */ +#define BCMA_CHIPCTL_4331_EXTPA_EN BIT(4) /* 0 ext pa disable, 1 ext pa enabled */ +#define BCMA_CHIPCTL_4331_GPIOCLK_ON_SPROMCS BIT(5) /* set drive out GPIO_CLK on sprom_cs pin */ +#define BCMA_CHIPCTL_4331_PCIE_MDIO_ON_SPROMCS BIT(6) /* use sprom_cs pin as PCIE mdio interface */ +#define BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5 BIT(7) /* aband extpa will be at gpio2/5 and sprom_dout */ +#define BCMA_CHIPCTL_4331_OVR_PIPEAUXCLKEN BIT(8) /* override core control on pipe_AuxClkEnable */ +#define BCMA_CHIPCTL_4331_OVR_PIPEAUXPWRDOWN BIT(9) /* override core control on pipe_AuxPowerDown */ +#define BCMA_CHIPCTL_4331_PCIE_AUXCLKEN BIT(10) /* pcie_auxclkenable */ +#define BCMA_CHIPCTL_4331_PCIE_PIPE_PLLDOWN BIT(11) /* pcie_pipe_pllpowerdown */ +#define BCMA_CHIPCTL_4331_BT_SHD0_ON_GPIO4 BIT(16) /* enable bt_shd0 at gpio4 */ +#define BCMA_CHIPCTL_4331_BT_SHD1_ON_GPIO5 BIT(17) /* enable bt_shd1 at gpio5 */ + /* Data for the PMU, if available. * Check availability with ((struct bcma_chipcommon)->capabilities & BCMA_CC_CAP_PMU) */ @@ -342,6 +358,8 @@ extern void bcma_core_chipcommon_init(struct bcma_drv_cc *cc); extern void bcma_chipco_suspend(struct bcma_drv_cc *cc); extern void bcma_chipco_resume(struct bcma_drv_cc *cc); +void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable); + extern void bcma_chipco_watchdog_timer_set(struct bcma_drv_cc *cc, u32 ticks); |