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path: root/drivers/bcma/sprom.c
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Diffstat (limited to 'drivers/bcma/sprom.c')
-rw-r--r--drivers/bcma/sprom.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/bcma/sprom.c b/drivers/bcma/sprom.c
index 8e8d5cf32e12..8b5b7856abe3 100644
--- a/drivers/bcma/sprom.c
+++ b/drivers/bcma/sprom.c
@@ -20,12 +20,12 @@
* R/W ops.
**************************************************/
-static void bcma_sprom_read(struct bcma_bus *bus, u16 *sprom)
+static void bcma_sprom_read(struct bcma_bus *bus, u16 offset, u16 *sprom)
{
int i;
for (i = 0; i < SSB_SPROMSIZE_WORDS_R4; i++)
sprom[i] = bcma_read16(bus->drv_cc.core,
- BCMA_CC_SPROM + (i * 2));
+ offset + (i * 2));
}
/**************************************************
@@ -112,7 +112,7 @@ static int bcma_sprom_valid(const u16 *sprom)
return err;
revision = sprom[SSB_SPROMSIZE_WORDS_R4 - 1] & SSB_SPROM_REVISION_REV;
- if (revision != 8) {
+ if (revision != 8 && revision != 9) {
pr_err("Unsupported SPROM revision: %d\n", revision);
return -ENOENT;
}
@@ -137,6 +137,7 @@ static void bcma_sprom_extract_r8(struct bcma_bus *bus, const u16 *sprom)
int bcma_sprom_get(struct bcma_bus *bus)
{
+ u16 offset;
u16 *sprom;
int err = 0;
@@ -151,7 +152,12 @@ int bcma_sprom_get(struct bcma_bus *bus)
if (!sprom)
return -ENOMEM;
- bcma_sprom_read(bus, sprom);
+ /* Most cards have SPROM moved by additional offset 0x30 (48 dwords).
+ * According to brcm80211 this applies to cards with PCIe rev >= 6
+ * TODO: understand this condition and use it */
+ offset = (bus->chipinfo.id == 0x4331) ? BCMA_CC_SPROM :
+ BCMA_CC_SPROM_PCIE6;
+ bcma_sprom_read(bus, offset, sprom);
err = bcma_sprom_valid(sprom);
if (err)