diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.3/201-bcma-just-do-the-necessary-things-in-early-register.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.3/201-bcma-just-do-the-necessary-things-in-early-register.patch | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.3/201-bcma-just-do-the-necessary-things-in-early-register.patch b/target/linux/brcm47xx/patches-3.3/201-bcma-just-do-the-necessary-things-in-early-register.patch new file mode 100644 index 000000000..6ef5ecd51 --- /dev/null +++ b/target/linux/brcm47xx/patches-3.3/201-bcma-just-do-the-necessary-things-in-early-register.patch @@ -0,0 +1,181 @@ +--- a/drivers/bcma/driver_chipcommon.c ++++ b/drivers/bcma/driver_chipcommon.c +@@ -22,12 +22,9 @@ static inline u32 bcma_cc_write32_masked + return value; + } + +-void bcma_core_chipcommon_init(struct bcma_drv_cc *cc) ++void bcma_core_chipcommon_early_init(struct bcma_drv_cc *cc) + { +- u32 leddc_on = 10; +- u32 leddc_off = 90; +- +- if (cc->setup_done) ++ if (cc->early_setup_done) + return; + + if (cc->core->id.rev >= 11) +@@ -36,6 +33,22 @@ void bcma_core_chipcommon_init(struct bc + if (cc->core->id.rev >= 35) + cc->capabilities_ext = bcma_cc_read32(cc, BCMA_CC_CAP_EXT); + ++ if (cc->capabilities & BCMA_CC_CAP_PMU) ++ bcma_pmu_early_init(cc); ++ ++ cc->early_setup_done = true; ++} ++ ++void bcma_core_chipcommon_init(struct bcma_drv_cc *cc) ++{ ++ u32 leddc_on = 10; ++ u32 leddc_off = 90; ++ ++ if (cc->setup_done) ++ return; ++ ++ bcma_core_chipcommon_early_init(cc); ++ + if (cc->core->id.rev >= 20) { + bcma_cc_write32(cc, BCMA_CC_GPIOPULLUP, 0); + bcma_cc_write32(cc, BCMA_CC_GPIOPULLDOWN, 0); +--- a/drivers/bcma/driver_chipcommon_pmu.c ++++ b/drivers/bcma/driver_chipcommon_pmu.c +@@ -141,7 +141,7 @@ void bcma_pmu_workarounds(struct bcma_dr + } + } + +-void bcma_pmu_init(struct bcma_drv_cc *cc) ++void bcma_pmu_early_init(struct bcma_drv_cc *cc) + { + u32 pmucap; + +@@ -150,7 +150,10 @@ void bcma_pmu_init(struct bcma_drv_cc *c + + bcma_debug(cc->core->bus, "Found rev %u PMU (capabilities 0x%08X)\n", + cc->pmu.rev, pmucap); ++} + ++void bcma_pmu_init(struct bcma_drv_cc *cc) ++{ + if (cc->pmu.rev == 1) + bcma_cc_mask32(cc, BCMA_CC_PMU_CTL, + ~BCMA_CC_PMU_CTL_NOILPONW); +--- a/drivers/bcma/driver_mips.c ++++ b/drivers/bcma/driver_mips.c +@@ -222,16 +222,33 @@ static void bcma_core_mips_flash_detect( + } + } + ++void bcma_core_mips_early_init(struct bcma_drv_mips *mcore) ++{ ++ struct bcma_bus *bus = mcore->core->bus; ++ ++ if (mcore->early_setup_done) ++ return; ++ ++ bcma_chipco_serial_init(&bus->drv_cc); ++ bcma_core_mips_flash_detect(mcore); ++ ++ mcore->early_setup_done = true; ++} ++ + void bcma_core_mips_init(struct bcma_drv_mips *mcore) + { + struct bcma_bus *bus; + struct bcma_device *core; + bus = mcore->core->bus; + ++ if (mcore->setup_done) ++ return; ++ + bcma_info(bus, "Initializing MIPS core...\n"); + +- if (!mcore->setup_done) +- mcore->assigned_irqs = 1; ++ bcma_core_mips_early_init(mcore); ++ ++ mcore->assigned_irqs = 1; + + /* Assign IRQs to all cores on the bus */ + list_for_each_entry(core, &bus->cores, list) { +@@ -266,10 +283,5 @@ void bcma_core_mips_init(struct bcma_drv + bcma_info(bus, "IRQ reconfiguration done\n"); + bcma_core_mips_dump_irq(bus); + +- if (mcore->setup_done) +- return; +- +- bcma_chipco_serial_init(&bus->drv_cc); +- bcma_core_mips_flash_detect(mcore); + mcore->setup_done = true; + } +--- a/drivers/bcma/main.c ++++ b/drivers/bcma/main.c +@@ -247,18 +247,18 @@ int __init bcma_bus_early_register(struc + return -1; + } + +- /* Init CC core */ ++ /* Early init CC core */ + core = bcma_find_core(bus, bcma_cc_core_id(bus)); + if (core) { + bus->drv_cc.core = core; +- bcma_core_chipcommon_init(&bus->drv_cc); ++ bcma_core_chipcommon_early_init(&bus->drv_cc); + } + +- /* Init MIPS core */ ++ /* Early init MIPS core */ + core = bcma_find_core(bus, BCMA_CORE_MIPS_74K); + if (core) { + bus->drv_mips.core = core; +- bcma_core_mips_init(&bus->drv_mips); ++ bcma_core_mips_early_init(&bus->drv_mips); + } + + bcma_info(bus, "Early bus registered\n"); +--- a/include/linux/bcma/bcma_driver_chipcommon.h ++++ b/include/linux/bcma/bcma_driver_chipcommon.h +@@ -476,6 +476,7 @@ struct bcma_drv_cc { + u32 capabilities; + u32 capabilities_ext; + u8 setup_done:1; ++ u8 early_setup_done:1; + /* Fast Powerup Delay constant */ + u16 fast_pwrup_delay; + struct bcma_chipcommon_pmu pmu; +@@ -510,6 +511,7 @@ struct bcma_drv_cc { + bcma_cc_write32(cc, offset, (bcma_cc_read32(cc, offset) & (mask)) | (set)) + + extern void bcma_core_chipcommon_init(struct bcma_drv_cc *cc); ++extern void bcma_core_chipcommon_early_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); +@@ -533,6 +535,7 @@ u32 bcma_chipco_gpio_polarity(struct bcm + + /* PMU support */ + extern void bcma_pmu_init(struct bcma_drv_cc *cc); ++extern void bcma_pmu_early_init(struct bcma_drv_cc *cc); + + extern void bcma_chipco_pll_write(struct bcma_drv_cc *cc, u32 offset, + u32 value); +--- a/include/linux/bcma/bcma_driver_mips.h ++++ b/include/linux/bcma/bcma_driver_mips.h +@@ -35,13 +35,16 @@ struct bcma_device; + struct bcma_drv_mips { + struct bcma_device *core; + u8 setup_done:1; ++ u8 early_setup_done:1; + unsigned int assigned_irqs; + }; + + #ifdef CONFIG_BCMA_DRIVER_MIPS + extern void bcma_core_mips_init(struct bcma_drv_mips *mcore); ++extern void bcma_core_mips_early_init(struct bcma_drv_mips *mcore); + #else + static inline void bcma_core_mips_init(struct bcma_drv_mips *mcore) { } ++static inline void bcma_core_mips_early_init(struct bcma_drv_mips *mcore) { } + #endif + + extern u32 bcma_cpu_clock(struct bcma_drv_mips *mcore); 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