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brcmfmac: set F2 blocksize and watermark for 4354/4356 SDIO

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Set F2 blocksize to 256 bytes and watermark to 0x40 for 4354/4356 SDIO.
Also enable and configure F1 MesBusyCtrl. It would resolve random driver
crash issue.

Signed-off-by: Frank Kao <frank.kao@cypress.com>
Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200529034938.124533-4-chi-hsien.lin@cypress.com
This commit is contained in:
Frank Kao 2020-05-28 22:49:36 -05:00 committed by Kalle Valo
parent 528158a8d4
commit 2bee41270f
2 changed files with 16 additions and 8 deletions
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8
drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
View file

@ -44,7 +44,7 @@
#define SDIO_FUNC1_BLOCKSIZE 64
#define SDIO_FUNC2_BLOCKSIZE 512
#define SDIO_4373_FUNC2_BLOCKSIZE 256
#define SDIO_4359_FUNC2_BLOCKSIZE 256
#define SDIO_435X_FUNC2_BLOCKSIZE 256
/* Maximum milliseconds to wait for F2 to come up */
#define SDIO_WAIT_F2RDY 3000
@ -916,7 +916,11 @@ static int brcmf_sdiod_probe(struct brcmf_sdio_dev *sdiodev)
f2_blksz = SDIO_4373_FUNC2_BLOCKSIZE;
break;
case SDIO_DEVICE_ID_BROADCOM_4359:
f2_blksz = SDIO_4359_FUNC2_BLOCKSIZE;
/* fallthrough */
case SDIO_DEVICE_ID_BROADCOM_4354:
/* fallthrough */
case SDIO_DEVICE_ID_BROADCOM_4356:
f2_blksz = SDIO_435X_FUNC2_BLOCKSIZE;
break;
default:
break;

16
drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
View file

@ -47,9 +47,9 @@
#define CY_4339_MES_WATERMARK 80
#define CY_4339_MESBUSYCTRL (CY_4339_MES_WATERMARK | \
SBSDIO_MESBUSYCTRL_ENAB)
#define CY_4359_F2_WATERMARK 0x40
#define CY_4359_F1_MESBUSYCTRL (CY_4359_F2_WATERMARK | SBSDIO_MESBUSYCTRL_ENAB)
#define CY_435X_F2_WATERMARK 0x40
#define CY_435X_F1_MESBUSYCTRL (CY_435X_F2_WATERMARK | \
SBSDIO_MESBUSYCTRL_ENAB)
#ifdef DEBUG
#define BRCMF_TRAP_INFO_SIZE 80
@ -4227,17 +4227,21 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
CY_4339_MESBUSYCTRL, &err);
break;
case SDIO_DEVICE_ID_BROADCOM_4359:
/* fallthrough */
case SDIO_DEVICE_ID_BROADCOM_4354:
/* fallthrough */
case SDIO_DEVICE_ID_BROADCOM_4356:
brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n",
CY_4359_F2_WATERMARK);
CY_435X_F2_WATERMARK);
brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
CY_4359_F2_WATERMARK, &err);
CY_435X_F2_WATERMARK, &err);
devctl = brcmf_sdiod_readb(sdiod, SBSDIO_DEVICE_CTL,
&err);
devctl |= SBSDIO_DEVCTL_F2WM_ENAB;
brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl,
&err);
brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL,
CY_4359_F1_MESBUSYCTRL, &err);
CY_435X_F1_MESBUSYCTRL, &err);
break;
default:
brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,