From 5eb3645e0f35e8e12a82b055ea1204ae322d2a19 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sun, 14 Sep 2014 23:09:08 +0200 Subject: [PATCH] b43: tell the ucode the mac capabilities This is based on code form brcmsmac. Signed-off-by: Hauke Mehrtens Signed-off-by: John W. Linville --- 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 a9805950f780..8ebce26ef4d0 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 3adc13f6ffef..85ab46c42734 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -4857,6 +4857,16 @@ 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); -- 2.34.1