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| author | Rafał Miłecki <zajec5@gmail.com> | 2015-02-08 17:11:49 +0100 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2015-03-02 16:59:45 +0200 |
| commit | 804e27dee49e20c0addd1b7276654220cc3768ae (patch) | |
| tree | dadc462a8498a33903aa528c860790f86a35a49c /drivers/bcma/driver_pcie2.c | |
| parent | 5b6ff664c8959d715e785b9465b042407a5d87a0 (diff) | |
| download | linux-804e27dee49e20c0addd1b7276654220cc3768ae.tar.gz linux-804e27dee49e20c0addd1b7276654220cc3768ae.tar.bz2 linux-804e27dee49e20c0addd1b7276654220cc3768ae.zip | |
bcma: support bringing up bus hosted on PCIe Gen 2
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/bcma/driver_pcie2.c')
| -rw-r--r-- | drivers/bcma/driver_pcie2.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/drivers/bcma/driver_pcie2.c b/drivers/bcma/driver_pcie2.c index e4be537b0c66..4568bc7bd54a 100644 --- a/drivers/bcma/driver_pcie2.c +++ b/drivers/bcma/driver_pcie2.c @@ -156,14 +156,23 @@ static void pciedev_reg_pm_clk_period(struct bcma_drv_pcie2 *pcie2) void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2) { - struct bcma_chipinfo *ci = &pcie2->core->bus->chipinfo; + struct bcma_bus *bus = pcie2->core->bus; + struct bcma_chipinfo *ci = &bus->chipinfo; u32 tmp; tmp = pcie2_read32(pcie2, BCMA_CORE_PCIE2_SPROM(54)); if ((tmp & 0xe) >> 1 == 2) bcma_core_pcie2_cfg_write(pcie2, 0x4e0, 0x17); - /* TODO: Do we need pcie_reqsize? */ + switch (bus->chipinfo.id) { + case BCMA_CHIP_ID_BCM4360: + case BCMA_CHIP_ID_BCM4352: + pcie2->reqsize = 1024; + break; + default: + pcie2->reqsize = 128; + break; + } if (ci->id == BCMA_CHIP_ID_BCM4360 && ci->rev > 3) bcma_core_pcie2_war_delay_perst_enab(pcie2, true); @@ -173,3 +182,18 @@ void bcma_core_pcie2_init(struct bcma_drv_pcie2 *pcie2) pciedev_crwlpciegen2_180(pcie2); pciedev_crwlpciegen2_182(pcie2); } + +/************************************************** + * Runtime ops. + **************************************************/ + +void bcma_core_pcie2_up(struct bcma_drv_pcie2 *pcie2) +{ + struct bcma_bus *bus = pcie2->core->bus; + struct pci_dev *dev = bus->host_pci; + int err; + + err = pcie_set_readrq(dev, pcie2->reqsize); + if (err) + bcma_err(bus, "Error setting PCI_EXP_DEVCTL_READRQ: %d\n", err); +} |