diff options
| author | Hauke Mehrtens <hauke@hauke-m.de> | 2012-04-29 02:18:51 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-05-16 18:45:22 +0200 |
| commit | ec00f3732129e57206e9ef9883d681ad6584f5dd (patch) | |
| tree | 10428396e10003891439eba40634c4f9cb304ea7 | |
| parent | bcma: add bcma_core_pci_extend_L1timer (diff) | |
| download | linux-ec00f3732129e57206e9ef9883d681ad6584f5dd.tar.xz linux-ec00f3732129e57206e9ef9883d681ad6584f5dd.zip | |
bcma: add bcma_core_pci_fixcfg()
This code is based on code from pcicore_fixcfg() in brcmsmac. This
patch is part of the move of pci specific code from brcmsmac to bcma.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Tested-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/bcma/driver_pci.c | 19 | ||||
| -rw-r--r-- | include/linux/bcma/bcma_driver_pci.h | 5 |
2 files changed, 24 insertions, 0 deletions
diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c index 949206674dc8..472d14fad643 100644 --- a/drivers/bcma/driver_pci.c +++ b/drivers/bcma/driver_pci.c @@ -168,12 +168,31 @@ static void bcma_pcicore_serdes_workaround(struct bcma_drv_pci *pc) tmp & ~BCMA_CORE_PCI_PLL_CTRL_FREQDET_EN); } +static void bcma_core_pci_fixcfg(struct bcma_drv_pci *pc) +{ + struct bcma_device *core = pc->core; + u16 val16, core_index; + uint regoff; + + regoff = BCMA_CORE_PCI_SPROM(BCMA_CORE_PCI_SPROM_PI_OFFSET); + core_index = (u16)core->core_index; + + val16 = pcicore_read16(pc, regoff); + if (((val16 & BCMA_CORE_PCI_SPROM_PI_MASK) >> BCMA_CORE_PCI_SPROM_PI_SHIFT) + != core_index) { + val16 = (core_index << BCMA_CORE_PCI_SPROM_PI_SHIFT) | + (val16 & ~BCMA_CORE_PCI_SPROM_PI_MASK); + pcicore_write16(pc, regoff, val16); + } +} + /************************************************** * Init. **************************************************/ static void __devinit bcma_core_pci_clientmode_init(struct bcma_drv_pci *pc) { + bcma_core_pci_fixcfg(pc); bcma_pcicore_serdes_workaround(pc); } diff --git a/include/linux/bcma/bcma_driver_pci.h b/include/linux/bcma/bcma_driver_pci.h index 20c9f96d4070..5b0542c336ed 100644 --- a/include/linux/bcma/bcma_driver_pci.h +++ b/include/linux/bcma/bcma_driver_pci.h @@ -87,6 +87,9 @@ struct pci_dev; #define BCMA_CORE_PCI_PCICFG2 0x0600 /* PCI config space 2 (rev >= 8) */ #define BCMA_CORE_PCI_PCICFG3 0x0700 /* PCI config space 3 (rev >= 8) */ #define BCMA_CORE_PCI_SPROM(wordoffset) (0x0800 + ((wordoffset) * 2)) /* SPROM shadow area (72 bytes) */ +#define BCMA_CORE_PCI_SPROM_PI_OFFSET 0 /* first word */ +#define BCMA_CORE_PCI_SPROM_PI_MASK 0xf000 /* bit 15:12 */ +#define BCMA_CORE_PCI_SPROM_PI_SHIFT 12 /* bit 15:12 */ /* SBtoPCIx */ #define BCMA_CORE_PCI_SBTOPCI_MEM 0x00000000 @@ -202,7 +205,9 @@ struct bcma_drv_pci { }; /* Register access */ +#define pcicore_read16(pc, offset) bcma_read16((pc)->core, offset) #define pcicore_read32(pc, offset) bcma_read32((pc)->core, offset) +#define pcicore_write16(pc, offset, val) bcma_write16((pc)->core, offset, val) #define pcicore_write32(pc, offset, val) bcma_write32((pc)->core, offset, val) extern void __devinit bcma_core_pci_init(struct bcma_drv_pci *pc); |