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authorAlbert Herranz <albert_herranz@yahoo.es>2009-09-08 21:30:12 +0400
committerJohn W. Linville <linville@tuxdriver.com>2009-09-09 19:19:00 +0400
commit24ea602e183ca20a7577ebe253323d0e5d0f9847 (patch)
tree9cd9c0b3832cac2f155e633fbed1ce2bf3331f9a /drivers/ssb/scan.c
parentf020979d5d7c9816c071d0aedf60a889fa4fae40 (diff)
downloadlinux-24ea602e183ca20a7577ebe253323d0e5d0f9847.tar.xz
ssb: Implement SDIO host bus support
Add support for communicating with a Sonics Silicon Backplane through a SDIO interface, as found in the Nintendo Wii WLAN daughter card. The Nintendo Wii WLAN card includes a custom Broadcom 4318 chip with a SDIO host interface. Signed-off-by: Albert Herranz <albert_herranz@yahoo.es> Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/ssb/scan.c')
-rw-r--r--drivers/ssb/scan.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/ssb/scan.c b/drivers/ssb/scan.c
index 63ee5cfbefbb..b74212d698c7 100644
--- a/drivers/ssb/scan.c
+++ b/drivers/ssb/scan.c
@@ -175,6 +175,9 @@ static u32 scan_read32(struct ssb_bus *bus, u8 current_coreidx,
} else
ssb_pcmcia_switch_segment(bus, 0);
break;
+ case SSB_BUSTYPE_SDIO:
+ offset += current_coreidx * SSB_CORE_SIZE;
+ return ssb_sdio_scan_read32(bus, offset);
}
return readl(bus->mmio + offset);
}
@@ -188,6 +191,8 @@ static int scan_switchcore(struct ssb_bus *bus, u8 coreidx)
return ssb_pci_switch_coreidx(bus, coreidx);
case SSB_BUSTYPE_PCMCIA:
return ssb_pcmcia_switch_coreidx(bus, coreidx);
+ case SSB_BUSTYPE_SDIO:
+ return ssb_sdio_scan_switch_coreidx(bus, coreidx);
}
return 0;
}
@@ -206,6 +211,8 @@ void ssb_iounmap(struct ssb_bus *bus)
SSB_BUG_ON(1); /* Can't reach this code. */
#endif
break;
+ case SSB_BUSTYPE_SDIO:
+ break;
}
bus->mmio = NULL;
bus->mapped_device = NULL;
@@ -230,6 +237,10 @@ static void __iomem *ssb_ioremap(struct ssb_bus *bus,
SSB_BUG_ON(1); /* Can't reach this code. */
#endif
break;
+ case SSB_BUSTYPE_SDIO:
+ /* Nothing to ioremap in the SDIO case, just fake it */
+ mmio = (void __iomem *)baseaddr;
+ break;
}
return mmio;