This is based on code form brcmsmac.
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
drivers/net/wireless/b43/b43.h | 3 +++
drivers/net/wireless/b43/main.c | 10 ++++++++++
2 files changed, 13 insertions(+)
diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index 95a9433..018ed5f 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -45,6 +45,7 @@
#define B43_MMIO_RAM_DATA 0x134
#define B43_MMIO_PS_STATUS 0x140
#define B43_MMIO_RADIO_HWENABLED_HI 0x158
+#define B43_MMIO_MAC_HW_CAP 0x15C /* MAC capabilities (corerev >= 13) */
#define B43_MMIO_SHM_CONTROL 0x160
#define B43_MMIO_SHM_DATA 0x164
#define B43_MMIO_SHM_DATA_UNALIGNED 0x166
@@ -253,6 +254,8 @@ enum {
#define B43_SHM_SH_CHAN 0x00A0 /* Current channel (low 8bit only) */
#define B43_SHM_SH_CHAN_5GHZ 0x0100 /* Bit set, if 5 Ghz channel */
#define B43_SHM_SH_CHAN_40MHZ 0x0200 /* Bit set, if 40 Mhz channel width */
+#define B43_SHM_SH_MACHW_L 0x00C0 /* Location where the ucode expects the MAC capabilities */
+#define B43_SHM_SH_MACHW_H 0x00C2 /* Location where the ucode expects the MAC capabilities */
#define B43_SHM_SH_HOSTF5 0x00D4 /* Hostflags 5 for ucode options */
#define B43_SHM_SH_BCMCFIFOID 0x0108 /* Last posted cookie to the bcast/mcast FIFO */
/* TSSI information */
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 165dbc3..f22a801 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -4827,6 +4827,16 @@ static int b43_wireless_core_init(struct b43_wldev *dev)
hf &= ~B43_HF_SKCFPUP;
b43_hf_write(dev, hf);
+ /* tell the ucode MAC capabilities */
+ if (dev->dev->core_rev >= 13) {
+ u32 mac_hw_cap = b43_read32(dev, B43_MMIO_MAC_HW_CAP);
+
+ b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_MACHW_L,
+ mac_hw_cap & 0xffff);
+ b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_MACHW_H,
+ (mac_hw_cap >> 16) & 0xffff);
+ }
+
b43_set_retry_limits(dev, B43_DEFAULT_SHORT_RETRY_LIMIT,
B43_DEFAULT_LONG_RETRY_LIMIT);
b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SFFBLIM, 3);
--
1.9.1
--
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