9ba6931f8ddc46de673853e0a9226cbfb123ff7b
[oweals/openwrt.git] /
1 From 58e4bbea0c1d9b5ace11df968c5dc096ce052a73 Mon Sep 17 00:00:00 2001
2 From: Madhan Mohan R <MadhanMohan.R@cypress.com>
3 Date: Wed, 21 Nov 2018 07:53:45 +0000
4 Subject: [PATCH] brcmfmac: set SDIO F1 MesBusyCtrl for CYW4373
5
6 Along with F2 watermark (existing) configuration, F1 MesBusyCtrl
7 should be enabled & sdio device RX FIFO watermark should be
8 configured to avoid overflow errors.
9
10 Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
11 Signed-off-by: Madhan Mohan R <madhanmohan.r@cypress.com>
12 Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
13 Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
14 ---
15  drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 3 +++
16  drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h | 9 ++++++++-
17  2 files changed, 11 insertions(+), 1 deletion(-)
18
19 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
20 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
21 @@ -4130,6 +4130,9 @@ static void brcmf_sdio_firmware_callback
22                         devctl |= SBSDIO_DEVCTL_F2WM_ENAB;
23                         brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl,
24                                            &err);
25 +                       brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL,
26 +                                          CY_4373_F2_WATERMARK |
27 +                                          SBSDIO_MESBUSYCTRL_ENAB, &err);
28                         break;
29                 default:
30                         brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
31 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h
32 +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h
33 @@ -77,7 +77,7 @@
34  #define SBSDIO_GPIO_OUT                        0x10006
35  /* gpio enable */
36  #define SBSDIO_GPIO_EN                 0x10007
37 -/* rev < 7, watermark for sdio device */
38 +/* rev < 7, watermark for sdio device TX path */
39  #define SBSDIO_WATERMARK               0x10008
40  /* control busy signal generation */
41  #define SBSDIO_DEVICE_CTL              0x10009
42 @@ -104,6 +104,13 @@
43  #define SBSDIO_FUNC1_RFRAMEBCHI                0x1001C
44  /* MesBusyCtl (rev 11) */
45  #define SBSDIO_FUNC1_MESBUSYCTRL       0x1001D
46 +/* Watermark for sdio device RX path */
47 +#define SBSDIO_MESBUSY_RXFIFO_WM_MASK  0x7F
48 +#define SBSDIO_MESBUSY_RXFIFO_WM_SHIFT 0
49 +/* Enable busy capability for MES access */
50 +#define SBSDIO_MESBUSYCTRL_ENAB                0x80
51 +#define SBSDIO_MESBUSYCTRL_ENAB_SHIFT  7
52 +
53  /* Sdio Core Rev 12 */
54  #define SBSDIO_FUNC1_WAKEUPCTRL                0x1001E
55  #define SBSDIO_FUNC1_WCTRL_ALPWAIT_MASK                0x1