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75 lines
2.7 KiB
Diff
75 lines
2.7 KiB
Diff
From 84ad327d18debe19b8d509059b61db445d048b02 Mon Sep 17 00:00:00 2001
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From: Franky Lin <franky.lin@broadcom.com>
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Date: Thu, 26 Apr 2018 12:16:50 +0200
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Subject: [PATCH] brcmfmac: add hostready indication
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A hostready signal is introduced to inform firmware through mailbox
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doorbell1 when common ring initialized or D3 exited.
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Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
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Signed-off-by: Franky Lin <franky.lin@broadcom.com>
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Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.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/pcie.c | 14 ++++++++++++--
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1 file changed, 12 insertions(+), 2 deletions(-)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
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@@ -105,7 +105,8 @@ static const struct brcmf_firmware_mappi
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#define BRCMF_PCIE_PCIE2REG_MAILBOXMASK 0x4C
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#define BRCMF_PCIE_PCIE2REG_CONFIGADDR 0x120
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#define BRCMF_PCIE_PCIE2REG_CONFIGDATA 0x124
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-#define BRCMF_PCIE_PCIE2REG_H2D_MAILBOX 0x140
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+#define BRCMF_PCIE_PCIE2REG_H2D_MAILBOX_0 0x140
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+#define BRCMF_PCIE_PCIE2REG_H2D_MAILBOX_1 0x144
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#define BRCMF_PCIE2_INTA 0x01
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#define BRCMF_PCIE2_INTB 0x02
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@@ -140,6 +141,7 @@ static const struct brcmf_firmware_mappi
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#define BRCMF_PCIE_SHARED_VERSION_MASK 0x00FF
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#define BRCMF_PCIE_SHARED_DMA_INDEX 0x10000
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#define BRCMF_PCIE_SHARED_DMA_2B_IDX 0x100000
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+#define BRCMF_PCIE_SHARED_HOSTRDY_DB1 0x10000000
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#define BRCMF_PCIE_FLAGS_HTOD_SPLIT 0x4000
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#define BRCMF_PCIE_FLAGS_DTOH_SPLIT 0x8000
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@@ -782,6 +784,12 @@ static void brcmf_pcie_intr_enable(struc
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BRCMF_PCIE_MB_INT_FN0_1);
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}
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+static void brcmf_pcie_hostready(struct brcmf_pciedev_info *devinfo)
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+{
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+ if (devinfo->shared.flags & BRCMF_PCIE_SHARED_HOSTRDY_DB1)
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+ brcmf_pcie_write_reg32(devinfo,
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+ BRCMF_PCIE_PCIE2REG_H2D_MAILBOX_1, 1);
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+}
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static irqreturn_t brcmf_pcie_quick_check_isr(int irq, void *arg)
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{
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@@ -924,7 +932,7 @@ static int brcmf_pcie_ring_mb_ring_bell(
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brcmf_dbg(PCIE, "RING !\n");
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/* Any arbitrary value will do, lets use 1 */
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- brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_H2D_MAILBOX, 1);
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+ brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_PCIE2REG_H2D_MAILBOX_0, 1);
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return 0;
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}
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@@ -1728,6 +1736,7 @@ static void brcmf_pcie_setup(struct devi
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init_waitqueue_head(&devinfo->mbdata_resp_wait);
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brcmf_pcie_intr_enable(devinfo);
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+ brcmf_pcie_hostready(devinfo);
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if (brcmf_attach(&devinfo->pdev->dev, devinfo->settings) == 0)
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return;
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@@ -1950,6 +1959,7 @@ static int brcmf_pcie_pm_leave_D3(struct
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brcmf_pcie_select_core(devinfo, BCMA_CORE_PCIE2);
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brcmf_bus_change_state(bus, BRCMF_BUS_UP);
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brcmf_pcie_intr_enable(devinfo);
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+ brcmf_pcie_hostready(devinfo);
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return 0;
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}
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