Commit d77e70ff authored by Franky Lin's avatar Franky Lin Committed by John W. Linville
Browse files

brcm80211: fmac: add resetcore function for bcm4330 chip



This patch is part of the series of adding new backplane support
Reviewed-by: default avatarArend van Spriel <arend@broadcom.com>
Signed-off-by: default avatarFranky Lin <frankyl@broadcom.com>
Signed-off-by: default avatarArend van Spriel <arend@broadcom.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 086a2e0a
......@@ -3108,8 +3108,7 @@ static int brcmf_sdbrcm_download_state(struct brcmf_bus *bus, bool enter)
ci->coredisable(bus->sdiodev, ci, BCMA_CORE_ARM_CM3);
brcmf_sdio_chip_resetcore(bus->sdiodev, ci,
BCMA_CORE_INTERNAL_MEM);
ci->resetcore(bus->sdiodev, ci, BCMA_CORE_INTERNAL_MEM);
/* Clear the top bit of memory */
if (bus->ramsize) {
......@@ -3133,7 +3132,7 @@ static int brcmf_sdbrcm_download_state(struct brcmf_bus *bus, bool enter)
w_sdreg32(bus, 0xFFFFFFFF,
offsetof(struct sdpcmd_regs, intstatus), &retries);
brcmf_sdio_chip_resetcore(bus->sdiodev, ci, BCMA_CORE_ARM_CM3);
ci->resetcore(bus->sdiodev, ci, BCMA_CORE_ARM_CM3);
/* Allow HT Clock now that the ARM is running. */
bus->alp_only = false;
......
......@@ -278,9 +278,9 @@ brcmf_sdio_ai_coredisable(struct brcmf_sdio_dev *sdiodev,
udelay(1);
}
void
brcmf_sdio_chip_resetcore(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u16 coreid)
static void
brcmf_sdio_sb_resetcore(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u16 coreid)
{
u32 regdata;
u8 idx;
......@@ -291,7 +291,7 @@ brcmf_sdio_chip_resetcore(struct brcmf_sdio_dev *sdiodev,
* Must do the disable sequence first to work for
* arbitrary current core state.
*/
ci->coredisable(sdiodev, ci, coreid);
brcmf_sdio_sb_coredisable(sdiodev, ci, coreid);
/*
* Now do the initialization sequence.
......@@ -301,8 +301,11 @@ brcmf_sdio_chip_resetcore(struct brcmf_sdio_dev *sdiodev,
brcmf_sdcard_reg_write(sdiodev,
CORE_SB(ci->c_inf[idx].base, sbtmstatelow), 4,
SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK | SSB_TMSLOW_RESET);
regdata = brcmf_sdcard_reg_read(sdiodev,
CORE_SB(ci->c_inf[idx].base, sbtmstatelow), 4);
udelay(1);
/* clear any serror */
regdata = brcmf_sdcard_reg_read(sdiodev,
CORE_SB(ci->c_inf[idx].base, sbtmstatehigh), 4);
if (regdata & SSB_TMSHIGH_SERR)
......@@ -320,12 +323,44 @@ brcmf_sdio_chip_resetcore(struct brcmf_sdio_dev *sdiodev,
brcmf_sdcard_reg_write(sdiodev,
CORE_SB(ci->c_inf[idx].base, sbtmstatelow), 4,
SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK);
regdata = brcmf_sdcard_reg_read(sdiodev,
CORE_SB(ci->c_inf[idx].base, sbtmstatelow), 4);
udelay(1);
/* leave clock enabled */
brcmf_sdcard_reg_write(sdiodev,
CORE_SB(ci->c_inf[idx].base, sbtmstatelow),
4, SSB_TMSLOW_CLOCK);
regdata = brcmf_sdcard_reg_read(sdiodev,
CORE_SB(ci->c_inf[idx].base, sbtmstatelow), 4);
udelay(1);
}
static void
brcmf_sdio_ai_resetcore(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u16 coreid)
{
u8 idx;
u32 regdata;
idx = brcmf_sdio_chip_getinfidx(ci, coreid);
/* must disable first to work for arbitrary current core state */
brcmf_sdio_ai_coredisable(sdiodev, ci, coreid);
/* now do initialization sequence */
brcmf_sdcard_reg_write(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL,
4, BCMA_IOCTL_FGC | BCMA_IOCTL_CLK);
regdata = brcmf_sdcard_reg_read(sdiodev,
ci->c_inf[idx].wrapbase+BCMA_IOCTL, 4);
brcmf_sdcard_reg_write(sdiodev, ci->c_inf[idx].wrapbase+BCMA_RESET_CTL,
4, 0);
udelay(1);
brcmf_sdcard_reg_write(sdiodev, ci->c_inf[idx].wrapbase+BCMA_IOCTL,
4, BCMA_IOCTL_CLK);
regdata = brcmf_sdcard_reg_read(sdiodev,
ci->c_inf[idx].wrapbase+BCMA_IOCTL, 4);
udelay(1);
}
......@@ -371,11 +406,13 @@ static int brcmf_sdio_chip_recognition(struct brcmf_sdio_dev *sdiodev,
ci->iscoreup = brcmf_sdio_sb_iscoreup;
ci->corerev = brcmf_sdio_sb_corerev;
ci->coredisable = brcmf_sdio_sb_coredisable;
ci->resetcore = brcmf_sdio_sb_resetcore;
break;
case SOCI_AI:
ci->iscoreup = brcmf_sdio_ai_iscoreup;
ci->corerev = brcmf_sdio_ai_corerev;
ci->coredisable = brcmf_sdio_ai_coredisable;
ci->resetcore = brcmf_sdio_ai_resetcore;
break;
default:
brcmf_dbg(ERROR, "socitype %u not supported\n", ci->socitype);
......
......@@ -80,6 +80,8 @@ struct chip_info {
u16 coreid);
void (*coredisable)(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u16 coreid);
void (*resetcore)(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u16 coreid);
};
struct sbconfig {
......@@ -122,8 +124,6 @@ struct sbconfig {
u32 sbidhigh; /* identification */
};
extern void brcmf_sdio_chip_resetcore(struct brcmf_sdio_dev *sdiodev,
struct chip_info *ci, u16 coreid);
extern int brcmf_sdio_chip_attach(struct brcmf_sdio_dev *sdiodev,
struct chip_info **ci_ptr, u32 regs);
extern void brcmf_sdio_chip_detach(struct chip_info **ci_ptr);
......
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