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brcmfmac: set F2 blocksize and watermark for 4359

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Set F2 blocksize to 256 bytes and watermark to 0x40 for 4359. Also
enable and configure F1 MesBusyCtrl. It fixes DMA error while having
UDP bi-directional traffic.

Signed-off-by: Chung-Hsien Hsu <stanley.hsu@cypress.com>
[slightly adapted for rebase on mainline linux]
Signed-off-by: Soeren Moch <smoch@web.de>
Reviewed-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Chung-Hsien Hsu 2019-12-12 00:52:46 +01:00 committed by Kalle Valo
parent 1b8d2e0a9e
commit 172f685455
2 changed files with 20 additions and 1 deletions
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6
drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
View File

@ -43,6 +43,7 @@
#define SDIO_FUNC1_BLOCKSIZE 64
#define SDIO_FUNC2_BLOCKSIZE 512
#define SDIO_4359_FUNC2_BLOCKSIZE 256
/* Maximum milliseconds to wait for F2 to come up */
#define SDIO_WAIT_F2RDY 3000
@ -903,6 +904,7 @@ static void brcmf_sdiod_host_fixup(struct mmc_host *host)
static int brcmf_sdiod_probe(struct brcmf_sdio_dev *sdiodev)
{
int ret = 0;
unsigned int f2_blksz = SDIO_FUNC2_BLOCKSIZE;
sdio_claim_host(sdiodev->func1);
@ -912,7 +914,9 @@ static int brcmf_sdiod_probe(struct brcmf_sdio_dev *sdiodev)
sdio_release_host(sdiodev->func1);
goto out;
}
ret = sdio_set_block_size(sdiodev->func2, SDIO_FUNC2_BLOCKSIZE);
if (sdiodev->func2->device == SDIO_DEVICE_ID_BROADCOM_4359)
f2_blksz = SDIO_4359_FUNC2_BLOCKSIZE;
ret = sdio_set_block_size(sdiodev->func2, f2_blksz);
if (ret) {
brcmf_err("Failed to set F2 blocksize\n");
sdio_release_host(sdiodev->func1);

15
drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
View File

@ -42,6 +42,8 @@
#define DEFAULT_F2_WATERMARK 0x8
#define CY_4373_F2_WATERMARK 0x40
#define CY_43012_F2_WATERMARK 0x60
#define CY_4359_F2_WATERMARK 0x40
#define CY_4359_F1_MESBUSYCTRL (CY_4359_F2_WATERMARK | SBSDIO_MESBUSYCTRL_ENAB)
#ifdef DEBUG
@ -4206,6 +4208,19 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl,
&err);
break;
case SDIO_DEVICE_ID_BROADCOM_4359:
brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n",
CY_4359_F2_WATERMARK);
brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
CY_4359_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);
break;
default:
brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
DEFAULT_F2_WATERMARK, &err);