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brcm80211: fmac: abstract chip iscoreup function

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Prepare for adding backplane interconnect type support

Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Franky Lin <frankyl@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Franky Lin 2011-11-04 22:23:36 +01:00 committed by John W. Linville
parent a97e4fc5ae
commit d8f64a425b
3 changed files with 17 additions and 7 deletions
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8
drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
View file

@ -3138,7 +3138,6 @@ brcmf_sdbrcm_chip_resetcore(struct brcmf_sdio_dev *sdiodev, u32 corebase)
static int brcmf_sdbrcm_download_state(struct brcmf_bus *bus, bool enter)
{
uint retries;
u32 regdata;
int bcmerror = 0;
/* To enter download state, disable ARM and reset SOCRAM.
@ -3159,11 +3158,8 @@ static int brcmf_sdbrcm_download_state(struct brcmf_bus *bus, bool enter)
(u8 *)&zeros, 4);
}
} else {
regdata = brcmf_sdcard_reg_read(bus->sdiodev,
CORE_SB(bus->ci->ramcorebase, sbtmstatelow), 4);
regdata &= (SBTML_RESET | SBTML_REJ_MASK |
(SICF_CLOCK_EN << SBTML_SICF_SHIFT));
if ((SICF_CLOCK_EN << SBTML_SICF_SHIFT) != regdata) {
if (!brcmf_sdio_chip_iscoreup(bus->sdiodev,
bus->ci->ramcorebase)) {
brcmf_dbg(ERROR, "SOCRAM core is down after reset?\n");
bcmerror = -EBADE;
goto fail;

13
drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.c
View file

@ -52,6 +52,19 @@
#define SBIDH_VC_MASK 0xffff0000 /* vendor code */
#define SBIDH_VC_SHIFT 16
bool
brcmf_sdio_chip_iscoreup(struct brcmf_sdio_dev *sdiodev,
u32 corebase)
{
u32 regdata;
regdata = brcmf_sdcard_reg_read(sdiodev,
CORE_SB(corebase, sbtmstatelow), 4);
regdata &= (SBTML_RESET | SBTML_REJ_MASK |
(SICF_CLOCK_EN << SBTML_SICF_SHIFT));
return ((SICF_CLOCK_EN << SBTML_SICF_SHIFT) == regdata);
}
void
brcmf_sdio_chip_coredisable(struct brcmf_sdio_dev *sdiodev, u32 corebase)
{

3
drivers/net/wireless/brcm80211/brcmfmac/sdio_chip.h
View file

@ -133,7 +133,8 @@ struct sbconfig {
u32 sbidhigh; /* identification */
};
extern bool brcmf_sdio_chip_iscoreup(struct brcmf_sdio_dev *sdiodev,
u32 corebase);
extern void brcmf_sdio_chip_coredisable(struct brcmf_sdio_dev *sdiodev,
u32 corebase);
extern int brcmf_sdio_chip_attach(struct brcmf_sdio_dev *sdiodev,