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bcma: detect PCI core working in hostmode

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We must not init it like clientmode one, it would break device (tested
by Hauke on BCM4718). Add stub hostmode driver for now.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rafał Miłecki
2011-07-05 19:48:26 +02:00
committed by John W. Linville
parent f0c717e6b7
commit 9352f69c91
5 changed files with 62 additions and 1 deletions
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38
drivers/bcma/driver_pci.c
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@@ -157,11 +157,47 @@ static void bcma_pcicore_serdes_workaround(struct bcma_drv_pci *pc)
* Init.
**************************************************/
void bcma_core_pci_init(struct bcma_drv_pci *pc)
static void bcma_core_pci_clientmode_init(struct bcma_drv_pci *pc)
{
bcma_pcicore_serdes_workaround(pc);
}
static bool bcma_core_pci_is_in_hostmode(struct bcma_drv_pci *pc)
{
struct bcma_bus *bus = pc->core->bus;
u16 chipid_top;
chipid_top = (bus->chipinfo.id & 0xFF00);
if (chipid_top != 0x4700 &&
chipid_top != 0x5300)
return false;
if (bus->sprom.boardflags_lo & SSB_PCICORE_BFL_NOPCI)
return false;
#if 0
/* TODO: on BCMA we use address from EROM instead of magic formula */
u32 tmp;
return !mips_busprobe32(tmp, (bus->mmio +
(pc->core->core_index * BCMA_CORE_SIZE)));
#endif
return true;
}
void bcma_core_pci_init(struct bcma_drv_pci *pc)
{
if (bcma_core_pci_is_in_hostmode(pc)) {
#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE
bcma_core_pci_hostmode_init(pc);
#else
pr_err("Driver compiled without support for hostmode PCI\n");
#endif /* CONFIG_BCMA_DRIVER_PCI_HOSTMODE */
} else {
bcma_core_pci_clientmode_init(pc);
}
}
int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core,
bool enable)
{