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authorHauke Mehrtens <hauke@hauke-m.de>2012-04-29 02:18:51 +0200
committerJohn W. Linville <linville@tuxdriver.com>2012-05-16 12:45:22 -0400
commitec00f3732129e57206e9ef9883d681ad6584f5dd (patch)
tree10428396e10003891439eba40634c4f9cb304ea7 /drivers/bcma
parent29f6b3d823885093890b1604d8450e7b57a31281 (diff)
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>
Diffstat (limited to 'drivers/bcma')
-rw-r--r--drivers/bcma/driver_pci.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c
index 949206674dc..472d14fad64 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);
}