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56 lines
2.2 KiB
Diff
56 lines
2.2 KiB
Diff
From 58e4bbea0c1d9b5ace11df968c5dc096ce052a73 Mon Sep 17 00:00:00 2001
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From: Madhan Mohan R <MadhanMohan.R@cypress.com>
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Date: Wed, 21 Nov 2018 07:53:45 +0000
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Subject: [PATCH] brcmfmac: set SDIO F1 MesBusyCtrl for CYW4373
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Along with F2 watermark (existing) configuration, F1 MesBusyCtrl
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should be enabled & sdio device RX FIFO watermark should be
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configured to avoid overflow errors.
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Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
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Signed-off-by: Madhan Mohan R <madhanmohan.r@cypress.com>
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Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 3 +++
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drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h | 9 ++++++++-
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2 files changed, 11 insertions(+), 1 deletion(-)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
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@@ -4119,6 +4119,9 @@ static void brcmf_sdio_firmware_callback
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devctl |= SBSDIO_DEVCTL_F2WM_ENAB;
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brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl,
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&err);
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+ brcmf_sdiod_writeb(sdiod, SBSDIO_FUNC1_MESBUSYCTRL,
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+ CY_4373_F2_WATERMARK |
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+ SBSDIO_MESBUSYCTRL_ENAB, &err);
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break;
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default:
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brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK,
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h
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@@ -77,7 +77,7 @@
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#define SBSDIO_GPIO_OUT 0x10006
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/* gpio enable */
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#define SBSDIO_GPIO_EN 0x10007
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-/* rev < 7, watermark for sdio device */
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+/* rev < 7, watermark for sdio device TX path */
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#define SBSDIO_WATERMARK 0x10008
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/* control busy signal generation */
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#define SBSDIO_DEVICE_CTL 0x10009
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@@ -104,6 +104,13 @@
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#define SBSDIO_FUNC1_RFRAMEBCHI 0x1001C
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/* MesBusyCtl (rev 11) */
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#define SBSDIO_FUNC1_MESBUSYCTRL 0x1001D
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+/* Watermark for sdio device RX path */
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+#define SBSDIO_MESBUSY_RXFIFO_WM_MASK 0x7F
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+#define SBSDIO_MESBUSY_RXFIFO_WM_SHIFT 0
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+/* Enable busy capability for MES access */
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+#define SBSDIO_MESBUSYCTRL_ENAB 0x80
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+#define SBSDIO_MESBUSYCTRL_ENAB_SHIFT 7
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+
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/* Sdio Core Rev 12 */
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#define SBSDIO_FUNC1_WAKEUPCTRL 0x1001E
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#define SBSDIO_FUNC1_WCTRL_ALPWAIT_MASK 0x1
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