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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-26 15:54:36 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-26 15:54:36 -0700
commit13220a94d35708d5378114e96ffcc88d0a74fe99 (patch)
treebe6530677d5f9536c7211e05ba012923e4c0b307 /drivers/ssb/pci.c
parent8690d8a9f6c2d5728a9c9f68231f1bb4de109e3a (diff)
parent08abe18af1f78ee80c3c3a5ac47c3e0ae0beadf6 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1750 commits) ixgbe: Allow Priority Flow Control settings to survive a device reset net: core: remove unneeded include in net/core/utils.c. e1000e: update version number e1000e: fix close interrupt race e1000e: fix loss of multicast packets e1000e: commonize tx cleanup routine to match e1000 & igb netfilter: fix nf_logger name in ebt_ulog. netfilter: fix warning in ebt_ulog init function. netfilter: fix warning about invalid const usage e1000: fix close race with interrupt e1000: cleanup clean_tx_irq routine so that it completely cleans ring e1000: fix tx hang detect logic and address dma mapping issues bridge: bad error handling when adding invalid ether address bonding: select current active slave when enslaving device for mode tlb and alb gianfar: reallocate skb when headroom is not enough for fcb Bump release date to 25Mar2009 and version to 0.22 r6040: Fix second PHY address qeth: fix wait_event_timeout handling qeth: check for completion of a running recovery qeth: unregister MAC addresses during recovery. ... Manually fixed up conflicts in: drivers/infiniband/hw/cxgb3/cxio_hal.h drivers/infiniband/hw/nes/nes_nic.c
Diffstat (limited to 'drivers/ssb/pci.c')
-rw-r--r--drivers/ssb/pci.c88
1 files changed, 75 insertions, 13 deletions
diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c
index d5cde051806..40ea4176224 100644
--- a/drivers/ssb/pci.c
+++ b/drivers/ssb/pci.c
@@ -467,6 +467,51 @@ static void sprom_extract_r45(struct ssb_sprom *out, const u16 *in)
/* TODO - get remaining rev 4 stuff needed */
}
+static void sprom_extract_r8(struct ssb_sprom *out, const u16 *in)
+{
+ int i;
+ u16 v;
+
+ /* extract the MAC address */
+ for (i = 0; i < 3; i++) {
+ v = in[SPOFF(SSB_SPROM1_IL0MAC) + i];
+ *(((__be16 *)out->il0mac) + i) = cpu_to_be16(v);
+ }
+ SPEX(country_code, SSB_SPROM8_CCODE, 0xFFFF, 0);
+ SPEX(boardflags_lo, SSB_SPROM8_BFLLO, 0xFFFF, 0);
+ SPEX(boardflags_hi, SSB_SPROM8_BFLHI, 0xFFFF, 0);
+ SPEX(ant_available_a, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_A,
+ SSB_SPROM8_ANTAVAIL_A_SHIFT);
+ SPEX(ant_available_bg, SSB_SPROM8_ANTAVAIL, SSB_SPROM8_ANTAVAIL_BG,
+ SSB_SPROM8_ANTAVAIL_BG_SHIFT);
+ SPEX(maxpwr_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_MAXP_BG_MASK, 0);
+ SPEX(itssi_bg, SSB_SPROM8_MAXP_BG, SSB_SPROM8_ITSSI_BG,
+ SSB_SPROM8_ITSSI_BG_SHIFT);
+ SPEX(maxpwr_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_MAXP_A_MASK, 0);
+ SPEX(itssi_a, SSB_SPROM8_MAXP_A, SSB_SPROM8_ITSSI_A,
+ SSB_SPROM8_ITSSI_A_SHIFT);
+ SPEX(gpio0, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P0, 0);
+ SPEX(gpio1, SSB_SPROM8_GPIOA, SSB_SPROM8_GPIOA_P1,
+ SSB_SPROM8_GPIOA_P1_SHIFT);
+ SPEX(gpio2, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P2, 0);
+ SPEX(gpio3, SSB_SPROM8_GPIOB, SSB_SPROM8_GPIOB_P3,
+ SSB_SPROM8_GPIOB_P3_SHIFT);
+
+ /* Extract the antenna gain values. */
+ SPEX(antenna_gain.ghz24.a0, SSB_SPROM8_AGAIN01,
+ SSB_SPROM8_AGAIN0, SSB_SPROM8_AGAIN0_SHIFT);
+ SPEX(antenna_gain.ghz24.a1, SSB_SPROM8_AGAIN01,
+ SSB_SPROM8_AGAIN1, SSB_SPROM8_AGAIN1_SHIFT);
+ SPEX(antenna_gain.ghz24.a2, SSB_SPROM8_AGAIN23,
+ SSB_SPROM8_AGAIN2, SSB_SPROM8_AGAIN2_SHIFT);
+ SPEX(antenna_gain.ghz24.a3, SSB_SPROM8_AGAIN23,
+ SSB_SPROM8_AGAIN3, SSB_SPROM8_AGAIN3_SHIFT);
+ memcpy(&out->antenna_gain.ghz5, &out->antenna_gain.ghz24,
+ sizeof(out->antenna_gain.ghz5));
+
+ /* TODO - get remaining rev 8 stuff needed */
+}
+
static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out,
const u16 *in, u16 size)
{
@@ -487,15 +532,25 @@ static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out,
out->revision = 4;
sprom_extract_r45(out, in);
} else {
- if (out->revision == 0)
- goto unsupported;
- if (out->revision >= 1 && out->revision <= 3) {
+ switch (out->revision) {
+ case 1:
+ case 2:
+ case 3:
sprom_extract_r123(out, in);
- }
- if (out->revision == 4 || out->revision == 5)
+ break;
+ case 4:
+ case 5:
sprom_extract_r45(out, in);
- if (out->revision > 5)
- goto unsupported;
+ break;
+ case 8:
+ sprom_extract_r8(out, in);
+ break;
+ default:
+ ssb_printk(KERN_WARNING PFX "Unsupported SPROM"
+ " revision %d detected. Will extract"
+ " v1\n", out->revision);
+ sprom_extract_r123(out, in);
+ }
}
if (out->boardflags_lo == 0xFFFF)
@@ -504,16 +559,12 @@ static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out,
out->boardflags_hi = 0; /* per specs */
return 0;
-unsupported:
- ssb_printk(KERN_WARNING PFX "Unsupported SPROM revision %d "
- "detected. Will extract v1\n", out->revision);
- sprom_extract_r123(out, in);
- return 0;
}
static int ssb_pci_sprom_get(struct ssb_bus *bus,
struct ssb_sprom *sprom)
{
+ const struct ssb_sprom *fallback;
int err = -ENOMEM;
u16 *buf;
@@ -533,12 +584,23 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus,
bus->sprom_size = SSB_SPROMSIZE_WORDS_R4;
sprom_do_read(bus, buf);
err = sprom_check_crc(buf, bus->sprom_size);
- if (err)
+ if (err) {
+ /* All CRC attempts failed.
+ * Maybe there is no SPROM on the device?
+ * If we have a fallback, use that. */
+ fallback = ssb_get_fallback_sprom();
+ if (fallback) {
+ memcpy(sprom, fallback, sizeof(*sprom));
+ err = 0;
+ goto out_free;
+ }
ssb_printk(KERN_WARNING PFX "WARNING: Invalid"
" SPROM CRC (corrupt SPROM)\n");
+ }
}
err = sprom_extract(bus, sprom, buf, bus->sprom_size);
+out_free:
kfree(buf);
out:
return err;