Commit 35cb51b2 authored by Chi-Hsien Lin's avatar Chi-Hsien Lin Committed by Kalle Valo

brcmfmac: add support for CYW43012 SDIO chipset

CYW43012 is a 1x1 802.11a/b/g/n Dual-Band HT20, 256-QAM/Turbo QAM. It
is an Ultra Low Power WLAN+BT combo chip.
Reviewed-by: default avatarArend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: default avatarChi-Hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: default avatarPraveen Babu C <praveen.chandran@cypress.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 58e4bbea
......@@ -983,6 +983,7 @@ static const struct sdio_device_id brcmf_sdmmc_ids[] = {
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4354),
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4356),
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_CYPRESS_4373),
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_CYPRESS_43012),
{ /* end: all zeroes */ }
};
MODULE_DEVICE_TABLE(sdio, brcmf_sdmmc_ids);
......
......@@ -165,6 +165,7 @@ struct sbconfig {
#define SRCI_LSS_MASK 0x00f00000
#define SRCI_LSS_SHIFT 20
#define SRCI_SRNB_MASK 0xf0
#define SRCI_SRNB_MASK_EXT 0x100
#define SRCI_SRNB_SHIFT 4
#define SRCI_SRBSZ_MASK 0xf
#define SRCI_SRBSZ_SHIFT 0
......@@ -592,7 +593,13 @@ static void brcmf_chip_socram_ramsize(struct brcmf_core_priv *sr, u32 *ramsize,
if (lss != 0)
*ramsize += (1 << ((lss - 1) + SR_BSZ_BASE));
} else {
nb = (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT;
/* length of SRAM Banks increased for corerev greater than 23 */
if (sr->pub.rev >= 23) {
nb = (coreinfo & (SRCI_SRNB_MASK | SRCI_SRNB_MASK_EXT))
>> SRCI_SRNB_SHIFT;
} else {
nb = (coreinfo & SRCI_SRNB_MASK) >> SRCI_SRNB_SHIFT;
}
for (i = 0; i < nb; i++) {
retent = brcmf_chip_socram_banksize(sr, i, &banksize);
*ramsize += banksize;
......@@ -1356,6 +1363,11 @@ bool brcmf_chip_sr_capable(struct brcmf_chip *pub)
addr = CORE_CC_REG(base, sr_control1);
reg = chip->ops->read32(chip->ctx, addr);
return reg != 0;
case CY_CC_43012_CHIP_ID:
addr = CORE_CC_REG(pmu->base, retention_ctl);
reg = chip->ops->read32(chip->ctx, addr);
return (reg & (PMU_RCTL_MACPHY_DISABLE_MASK |
PMU_RCTL_LOGIC_DISABLE_MASK)) == 0;
default:
addr = CORE_CC_REG(pmu->base, pmucapabilities_ext);
reg = chip->ops->read32(chip->ctx, addr);
......
......@@ -624,6 +624,7 @@ BRCMF_FW_DEF(43455, "brcmfmac43455-sdio");
BRCMF_FW_DEF(4354, "brcmfmac4354-sdio");
BRCMF_FW_DEF(4356, "brcmfmac4356-sdio");
BRCMF_FW_DEF(4373, "brcmfmac4373-sdio");
BRCMF_FW_DEF(43012, "brcmfmac43012-sdio");
static const struct brcmf_firmware_mapping brcmf_sdio_fwnames[] = {
BRCMF_FW_ENTRY(BRCM_CC_43143_CHIP_ID, 0xFFFFFFFF, 43143),
......@@ -643,7 +644,8 @@ static const struct brcmf_firmware_mapping brcmf_sdio_fwnames[] = {
BRCMF_FW_ENTRY(BRCM_CC_4345_CHIP_ID, 0xFFFFFFC0, 43455),
BRCMF_FW_ENTRY(BRCM_CC_4354_CHIP_ID, 0xFFFFFFFF, 4354),
BRCMF_FW_ENTRY(BRCM_CC_4356_CHIP_ID, 0xFFFFFFFF, 4356),
BRCMF_FW_ENTRY(CY_CC_4373_CHIP_ID, 0xFFFFFFFF, 4373)
BRCMF_FW_ENTRY(CY_CC_4373_CHIP_ID, 0xFFFFFFFF, 4373),
BRCMF_FW_ENTRY(CY_CC_43012_CHIP_ID, 0xFFFFFFFF, 43012)
};
static void pkt_align(struct sk_buff *p, int len, int align)
......@@ -677,6 +679,14 @@ brcmf_sdio_kso_control(struct brcmf_sdio *bus, bool on)
/* 1st KSO write goes to AOS wake up core if device is asleep */
brcmf_sdiod_writeb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, wr_val, &err);
/* In case of 43012 chip, the chip could go down immediately after
* KSO bit is cleared. So the further reads of KSO register could
* fail. Thereby just bailing out immediately after clearing KSO
* bit, to avoid polling of KSO bit.
*/
if (!on && bus->ci->chip == CY_CC_43012_CHIP_ID)
return err;
if (on) {
/* device WAKEUP through KSO:
* write bit 0 & read back until
......@@ -2402,6 +2412,14 @@ static int brcmf_sdio_tx_ctrlframe(struct brcmf_sdio *bus, u8 *frame, u16 len)
return ret;
}
static bool brcmf_chip_is_ulp(struct brcmf_chip *ci)
{
if (ci->chip == CY_CC_43012_CHIP_ID)
return true;
else
return false;
}
static void brcmf_sdio_bus_stop(struct device *dev)
{
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
......@@ -2409,7 +2427,7 @@ static void brcmf_sdio_bus_stop(struct device *dev)
struct brcmf_sdio *bus = sdiodev->bus;
struct brcmf_core *core = bus->sdio_core;
u32 local_hostintmask;
u8 saveclk;
u8 saveclk, bpreq;
int err;
brcmf_dbg(TRACE, "Enter\n");
......@@ -2436,9 +2454,14 @@ static void brcmf_sdio_bus_stop(struct device *dev)
/* Force backplane clocks to assure F2 interrupt propagates */
saveclk = brcmf_sdiod_readb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
&err);
if (!err)
brcmf_sdiod_writeb(sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
(saveclk | SBSDIO_FORCE_HT), &err);
if (!err) {
bpreq = saveclk;
bpreq |= brcmf_chip_is_ulp(bus->ci) ?
SBSDIO_HT_AVAIL_REQ : SBSDIO_FORCE_HT;
brcmf_sdiod_writeb(sdiodev,
SBSDIO_FUNC1_CHIPCLKCSR,
bpreq, &err);
}
if (err)
brcmf_err("Failed to force clock for F2: err %d\n",
err);
......@@ -3328,20 +3351,45 @@ static int brcmf_sdio_download_firmware(struct brcmf_sdio *bus,
return bcmerror;
}
static bool brcmf_sdio_aos_no_decode(struct brcmf_sdio *bus)
{
if (bus->ci->chip == CY_CC_43012_CHIP_ID)
return true;
else
return false;
}
static void brcmf_sdio_sr_init(struct brcmf_sdio *bus)
{
int err = 0;
u8 val;
u8 wakeupctrl;
u8 cardcap;
u8 chipclkcsr;
brcmf_dbg(TRACE, "Enter\n");
if (brcmf_chip_is_ulp(bus->ci)) {
wakeupctrl = SBSDIO_FUNC1_WCTRL_ALPWAIT_SHIFT;
chipclkcsr = SBSDIO_HT_AVAIL_REQ;
} else {
wakeupctrl = SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT;
chipclkcsr = SBSDIO_FORCE_HT;
}
if (brcmf_sdio_aos_no_decode(bus)) {
cardcap = SDIO_CCCR_BRCM_CARDCAP_CMD_NODEC;
} else {
cardcap = (SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT |
SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT);
}
val = brcmf_sdiod_readb(bus->sdiodev, SBSDIO_FUNC1_WAKEUPCTRL, &err);
if (err) {
brcmf_err("error reading SBSDIO_FUNC1_WAKEUPCTRL\n");
return;
}
val |= 1 << SBSDIO_FUNC1_WCTRL_HTWAIT_SHIFT;
val |= 1 << wakeupctrl;
brcmf_sdiod_writeb(bus->sdiodev, SBSDIO_FUNC1_WAKEUPCTRL, val, &err);
if (err) {
brcmf_err("error writing SBSDIO_FUNC1_WAKEUPCTRL\n");
......@@ -3350,8 +3398,7 @@ static void brcmf_sdio_sr_init(struct brcmf_sdio *bus)
/* Add CMD14 Support */
brcmf_sdiod_func0_wb(bus->sdiodev, SDIO_CCCR_BRCM_CARDCAP,
(SDIO_CCCR_BRCM_CARDCAP_CMD14_SUPPORT |
SDIO_CCCR_BRCM_CARDCAP_CMD14_EXT),
cardcap,
&err);
if (err) {
brcmf_err("error writing SDIO_CCCR_BRCM_CARDCAP\n");
......@@ -3359,7 +3406,7 @@ static void brcmf_sdio_sr_init(struct brcmf_sdio *bus)
}
brcmf_sdiod_writeb(bus->sdiodev, SBSDIO_FUNC1_CHIPCLKCSR,
SBSDIO_FORCE_HT, &err);
chipclkcsr, &err);
if (err) {
brcmf_err("error writing SBSDIO_FUNC1_CHIPCLKCSR\n");
return;
......@@ -4051,7 +4098,7 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
const struct firmware *code;
void *nvram;
u32 nvram_len;
u8 saveclk;
u8 saveclk, bpreq;
u8 devctl;
brcmf_dbg(TRACE, "Enter: dev=%s, err=%d\n", dev_name(dev), err);
......@@ -4085,8 +4132,11 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
/* Force clocks on backplane to be sure F2 interrupt propagates */
saveclk = brcmf_sdiod_readb(sdiod, SBSDIO_FUNC1_CHIPCLKCSR, &err);
if (!err) {
bpreq = saveclk;
bpreq |= brcmf_chip_is_ulp(bus->ci) ?
SBSDIO_HT_AVAIL_REQ : SBSDIO_FORCE_HT;
brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_CHIPCLKCSR,
(saveclk | SBSDIO_FORCE_HT), &err);
bpreq, &err);
}
if (err) {
brcmf_err("Failed to force clock for F2: err %d\n", err);
......
......@@ -60,6 +60,7 @@
#define BRCM_CC_43664_CHIP_ID 43664
#define BRCM_CC_4371_CHIP_ID 0x4371
#define CY_CC_4373_CHIP_ID 0x4373
#define CY_CC_43012_CHIP_ID 43012
/* USB Device IDs */
#define BRCM_USB_43143_DEVICE_ID 0xbd1e
......
......@@ -42,6 +42,7 @@
#define SDIO_DEVICE_ID_BROADCOM_4354 0x4354
#define SDIO_DEVICE_ID_BROADCOM_4356 0x4356
#define SDIO_DEVICE_ID_CYPRESS_4373 0x4373
#define SDIO_DEVICE_ID_CYPRESS_43012 43012
#define SDIO_VENDOR_ID_INTEL 0x0089
#define SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX 0x1402
......
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