From patchwork Tue Aug 27 16:37:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Marek Vasut X-Patchwork-Id: 823516 Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A40F61CE701; Tue, 27 Aug 2024 16:41:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=85.214.62.61 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724776899; cv=none; b=DB8j0I5tsu/0ctgeMtbIIH1q8PV89KzH4fwDs9bKvCE1E415o3vblZq0z74E6+QN2n0pBAyi9Gk7+hWACoRdGqpuvUBv5Recm9QB7ghSvmUUn2f44qnK/BnfeYXf1Qpx9C5MZokMPXPMOKBIVmFR6nnes+pvhvmAtZ0jqVxt4K8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724776899; c=relaxed/simple; bh=a5DKOJ9hjPYrVkvOqXcZvi+XfHzLrTHgdqHLolXvbrU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=FkzV0kXwXicaI7EMPbEY47zyCZsEucnDJzUT0HDPBwwlO9CEg3ygPStYNiNZAVDwmsOzQkFAuS6QEcNgoz4qjPGYnUwBnCGis7EUiS7Mk2W6TRgtWL42Zeu1olNMX/cxoSqBnTG7cYWH335SeTNtNtNnHIfH4ySAE5oIonrzHpM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=denx.de; spf=pass smtp.mailfrom=denx.de; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.b=n4emL+lj; arc=none smtp.client-ip=85.214.62.61 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=denx.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=denx.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=denx.de header.i=@denx.de header.b="n4emL+lj" Received: from tr.lan (ip-86-49-120-218.bb.vodafone.cz [86.49.120.218]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: marex@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id 5DDCA88997; Tue, 27 Aug 2024 18:41:34 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1724776894; bh=lI5q4RPCtuhxl3R2a5cms/Jj05rw1L/TwNcKaWmb7hs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=n4emL+ljKR8+CTMOhTKMWq8yw3KpjYWGrVsl8ISZ6ww8z4Jibd4iSKRGCboDwpsdX Lf1C+otJRe3dJEFMzwi0YocPy9sawwH+FCrWmUC5IvtqfRzKN9hXLN50uykDLBSA18 7y8nTE5wGpzoTY/npVpu0Sl6ohUlJM6dmYMwrlnNrHGFSjlj5MbdV35+q5NUzTmGue +7UaLotk2Sh0OHlWPJWyM3iKIE72fz9sVQ7+KN8Sw/o9MDOXYDK9wuMy40b00prsQc wKGZpU3iE/LpfWI15ufNOAgdUHyl6tOl53vbWeQnDA1n/1cIzi9zH94QZIpYgYvmsx 3CzS9sMCj4SQw== From: Marek Vasut To: linux-wireless@vger.kernel.org Cc: Ajay Singh , Marek Vasut , "David S. Miller" , Adham Abozaeid , =?utf-8?q?Alexis_Lothor?= =?utf-8?q?=C3=A9?= , Claudiu Beznea , Conor Dooley , Eric Dumazet , Jakub Kicinski , Kalle Valo , Krzysztof Kozlowski , Paolo Abeni , Rob Herring , devicetree@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH v3 5/5] wifi: wilc1000: Add WILC3000 support Date: Tue, 27 Aug 2024 18:37:42 +0200 Message-ID: <20240827164042.53698-5-marex@denx.de> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240827164042.53698-1-marex@denx.de> References: <20240827164042.53698-1-marex@denx.de> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean From: Ajay Singh Add support for the WILC3000 chip. The chip is similar to WILC1000, except that the register layout is slightly different and it does not support WPA3/SAE. Signed-off-by: Ajay Singh Signed-off-by: Marek Vasut --- Note: Squashed and updated from the following downstream patches: wifi: wilc1000: wilc3000 support added wifi: wilc1000: wilc3000 interrupt handling wifi: wilc1000: wilc3000 added chip wake and sleep support wifi: wilc1000: wilc3000 FW file sepecific changes --- Cc: "David S. Miller" Cc: Adham Abozaeid Cc: Ajay Singh Cc: Alexis LothorĂ© Cc: Claudiu Beznea Cc: Conor Dooley Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Kalle Valo Cc: Krzysztof Kozlowski Cc: Marek Vasut Cc: Paolo Abeni Cc: Rob Herring Cc: devicetree@vger.kernel.org Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org --- V2: - Return -EINVAL in wilc_sdio_init() if chip ID is not supported - Dispose of wilc_chip_type, replace with is_wilc1000()/is_wilc3000() - Remove wilc3000 DT compatible string handling, match on wilc1000 only, the device type can be auto-detected based on chipID V3: - Define and use WILC3000_BOOTROM_STATUS and WILC3000_CORTUS_BOOT_REGISTER_2 --- .../wireless/microchip/wilc1000/cfg80211.c | 7 + .../net/wireless/microchip/wilc1000/netdev.c | 29 ++- .../net/wireless/microchip/wilc1000/sdio.c | 62 ++++- drivers/net/wireless/microchip/wilc1000/spi.c | 2 +- .../net/wireless/microchip/wilc1000/wlan.c | 220 +++++++++++++++--- .../net/wireless/microchip/wilc1000/wlan.h | 45 +++- 6 files changed, 303 insertions(+), 62 deletions(-) diff --git a/drivers/net/wireless/microchip/wilc1000/cfg80211.c b/drivers/net/wireless/microchip/wilc1000/cfg80211.c index eb37b228d54ea..69c66a7b41654 100644 --- a/drivers/net/wireless/microchip/wilc1000/cfg80211.c +++ b/drivers/net/wireless/microchip/wilc1000/cfg80211.c @@ -313,6 +313,13 @@ static int connect(struct wiphy *wiphy, struct net_device *dev, vif->connecting = true; + if (sme->auth_type == NL80211_AUTHTYPE_SAE && + is_wilc3000(vif->wilc->chipid)) { + netdev_err(dev, "WILC3000: WPA3 not supported\n"); + ret = -EOPNOTSUPP; + goto out_error; + } + cipher_group = sme->crypto.cipher_group; if (cipher_group != 0) { if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) { diff --git a/drivers/net/wireless/microchip/wilc1000/netdev.c b/drivers/net/wireless/microchip/wilc1000/netdev.c index 9ecf3fb29b558..178f3241cef9f 100644 --- a/drivers/net/wireless/microchip/wilc1000/netdev.c +++ b/drivers/net/wireless/microchip/wilc1000/netdev.c @@ -23,6 +23,12 @@ #define __WILC1000_FW(api) WILC1000_FW_PREFIX #api ".bin" #define WILC1000_FW(api) __WILC1000_FW(api) +#define WILC3000_API_VER 1 + +#define WILC3000_FW_PREFIX "atmel/wilc3000_wifi_firmware-" +#define __WILC3000_FW(api) WILC3000_FW_PREFIX #api ".bin" +#define WILC3000_FW(api) __WILC3000_FW(api) + static irqreturn_t isr_uh_routine(int irq, void *user_data) { struct wilc *wilc = user_data; @@ -195,20 +201,24 @@ static int wilc_wlan_get_firmware(struct net_device *dev) { struct wilc_vif *vif = netdev_priv(dev); struct wilc *wilc = vif->wilc; - int chip_id; const struct firmware *wilc_fw; + char *firmware; int ret; - chip_id = wilc_get_chipid(wilc, false); + if (is_wilc1000(wilc->chipid)) + firmware = WILC1000_FW(WILC1000_API_VER); + else if (is_wilc3000(wilc->chipid)) + firmware = WILC3000_FW(WILC3000_API_VER); + else + return -EINVAL; - netdev_info(dev, "ChipID [%x] loading firmware [%s]\n", chip_id, + netdev_info(dev, "WILC%d loading firmware [%s]\n", + is_wilc1000(wilc->chipid) ? 1000 : 3000, WILC1000_FW(WILC1000_API_VER)); - ret = request_firmware(&wilc_fw, WILC1000_FW(WILC1000_API_VER), - wilc->dev); + ret = request_firmware(&wilc_fw, firmware, wilc->dev); if (ret != 0) { - netdev_err(dev, "%s - firmware not available\n", - WILC1000_FW(WILC1000_API_VER)); + netdev_err(dev, "%s - firmware not available\n", firmware); return -EINVAL; } wilc->firmware = wilc_fw; @@ -233,7 +243,7 @@ static int wilc_start_firmware(struct net_device *dev) return 0; } -static int wilc1000_firmware_download(struct net_device *dev) +static int wilc_firmware_download(struct net_device *dev) { struct wilc_vif *vif = netdev_priv(dev); struct wilc *wilc = vif->wilc; @@ -528,7 +538,7 @@ static int wilc_wlan_initialize(struct net_device *dev, struct wilc_vif *vif) if (ret) goto fail_irq_enable; - ret = wilc1000_firmware_download(dev); + ret = wilc_firmware_download(dev); if (ret) goto fail_irq_enable; @@ -1014,3 +1024,4 @@ EXPORT_SYMBOL_GPL(wilc_netdev_ifc_init); MODULE_DESCRIPTION("Atmel WILC1000 core wireless driver"); MODULE_LICENSE("GPL"); MODULE_FIRMWARE(WILC1000_FW(WILC1000_API_VER)); +MODULE_FIRMWARE(WILC3000_FW(WILC3000_API_VER)); diff --git a/drivers/net/wireless/microchip/wilc1000/sdio.c b/drivers/net/wireless/microchip/wilc1000/sdio.c index c26447289b71b..983debb3c626b 100644 --- a/drivers/net/wireless/microchip/wilc1000/sdio.c +++ b/drivers/net/wireless/microchip/wilc1000/sdio.c @@ -806,13 +806,19 @@ static int wilc_sdio_read_int(struct wilc *wilc, u32 *int_status) cmd.address = WILC_SDIO_EXT_IRQ_FLAG_REG; } else { cmd.function = 0; - cmd.address = WILC_SDIO_IRQ_FLAG_REG; + cmd.address = is_wilc1000(wilc->chipid) ? + WILC1000_SDIO_IRQ_FLAG_REG : + WILC3000_SDIO_IRQ_FLAG_REG; } cmd.raw = 0; cmd.read_write = 0; cmd.data = 0; wilc_sdio_cmd52(wilc, &cmd); irq_flags = cmd.data; + + if (sdio_priv->irq_gpio) + irq_flags &= is_wilc1000(wilc->chipid) ? 0x1f : 0x0f; + tmp |= FIELD_PREP(IRG_FLAGS_MASK, cmd.data); if (FIELD_GET(UNHANDLED_IRQ_MASK, irq_flags)) @@ -834,22 +840,56 @@ static int wilc_sdio_clear_int_ext(struct wilc *wilc, u32 val) if (sdio_priv->irq_gpio) reg = val & (BIT(MAX_NUM_INT) - 1); - /* select VMM table 0 */ - if (val & SEL_VMM_TBL0) - reg |= BIT(5); - /* select VMM table 1 */ - if (val & SEL_VMM_TBL1) - reg |= BIT(6); - /* enable VMM */ - if (val & EN_VMM) - reg |= BIT(7); + if (is_wilc1000(wilc->chipid)) { + /* select VMM table 0 */ + if (val & SEL_VMM_TBL0) + reg |= BIT(5); + /* select VMM table 1 */ + if (val & SEL_VMM_TBL1) + reg |= BIT(6); + /* enable VMM */ + if (val & EN_VMM) + reg |= BIT(7); + } else { + if (sdio_priv->irq_gpio && reg) { + struct sdio_cmd52 cmd; + + cmd.read_write = 1; + cmd.function = 0; + cmd.raw = 0; + cmd.address = WILC3000_SDIO_IRQ_FLAG_REG; + cmd.data = reg; + + ret = wilc_sdio_cmd52(wilc, &cmd); + if (ret) { + dev_err(&func->dev, + "Failed cmd52, set 0xfe data (%d) ...\n", + __LINE__); + return ret; + } + } + + reg = 0; + /* select VMM table 0 */ + if (val & SEL_VMM_TBL0) + reg |= BIT(0); + /* select VMM table 1 */ + if (val & SEL_VMM_TBL1) + reg |= BIT(1); + /* enable VMM */ + if (val & EN_VMM) + reg |= BIT(2); + } + if (reg) { struct sdio_cmd52 cmd; cmd.read_write = 1; cmd.function = 0; cmd.raw = 0; - cmd.address = WILC_SDIO_IRQ_CLEAR_FLAG_REG; + cmd.address = is_wilc1000(wilc->chipid) ? + WILC1000_SDIO_IRQ_CLEAR_FLAG_REG : + WILC3000_SDIO_VMM_TBL_CTRL_REG; cmd.data = reg; ret = wilc_sdio_cmd52(wilc, &cmd); diff --git a/drivers/net/wireless/microchip/wilc1000/spi.c b/drivers/net/wireless/microchip/wilc1000/spi.c index 5ff940c53ad9c..8913703e10e26 100644 --- a/drivers/net/wireless/microchip/wilc1000/spi.c +++ b/drivers/net/wireless/microchip/wilc1000/spi.c @@ -1232,7 +1232,7 @@ static int wilc_validate_chipid(struct wilc *wilc) dev_err(&spi->dev, "Fail cmd read chip id...\n"); return ret; } - if (!is_wilc1000(chipid)) { + if (!is_wilc1000(chipid) && !is_wilc3000(chipid)) { dev_err(&spi->dev, "Unknown chip id 0x%x\n", chipid); return -ENODEV; } diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.c b/drivers/net/wireless/microchip/wilc1000/wlan.c index 01476f8ecc36f..721fc9c02de5c 100644 --- a/drivers/net/wireless/microchip/wilc1000/wlan.c +++ b/drivers/net/wireless/microchip/wilc1000/wlan.c @@ -541,7 +541,7 @@ static struct rxq_entry_t *wilc_wlan_rxq_remove(struct wilc *wilc) return rqe; } -static int chip_allow_sleep(struct wilc *wilc) +static int chip_allow_sleep_wilc1000(struct wilc *wilc) { u32 reg = 0; const struct wilc_hif_func *hif_func = wilc->hif_func; @@ -601,7 +601,41 @@ static int chip_allow_sleep(struct wilc *wilc) return 0; } -static int chip_wakeup(struct wilc *wilc) +static int chip_allow_sleep_wilc3000(struct wilc *wilc) +{ + u32 reg = 0; + int ret; + const struct wilc_hif_func *hif_func = wilc->hif_func; + + if (wilc->io_type == WILC_HIF_SDIO) { + ret = hif_func->hif_read_reg(wilc, WILC_SDIO_WAKEUP_REG, ®); + if (ret) + return ret; + ret = hif_func->hif_write_reg(wilc, WILC_SDIO_WAKEUP_REG, + reg & ~WILC_SDIO_WAKEUP_BIT); + if (ret) + return ret; + } else { + ret = hif_func->hif_read_reg(wilc, WILC_SPI_WAKEUP_REG, ®); + if (ret) + return ret; + ret = hif_func->hif_write_reg(wilc, WILC_SPI_WAKEUP_REG, + reg & ~WILC_SPI_WAKEUP_BIT); + if (ret) + return ret; + } + return 0; +} + +static int chip_allow_sleep(struct wilc *wilc) +{ + if (is_wilc1000(wilc->chipid)) + return chip_allow_sleep_wilc1000(wilc); + else + return chip_allow_sleep_wilc3000(wilc); +} + +static int chip_wakeup_wilc1000(struct wilc *wilc) { u32 ret = 0; u32 clk_status_val = 0, trials = 0; @@ -613,15 +647,15 @@ static int chip_wakeup(struct wilc *wilc) if (wilc->io_type == WILC_HIF_SDIO) { wakeup_reg = WILC_SDIO_WAKEUP_REG; wakeup_bit = WILC_SDIO_WAKEUP_BIT; - clk_status_reg = WILC_SDIO_CLK_STATUS_REG; - clk_status_bit = WILC_SDIO_CLK_STATUS_BIT; + clk_status_reg = WILC1000_SDIO_CLK_STATUS_REG; + clk_status_bit = WILC1000_SDIO_CLK_STATUS_BIT; from_host_to_fw_reg = WILC_SDIO_HOST_TO_FW_REG; from_host_to_fw_bit = WILC_SDIO_HOST_TO_FW_BIT; } else { wakeup_reg = WILC_SPI_WAKEUP_REG; wakeup_bit = WILC_SPI_WAKEUP_BIT; - clk_status_reg = WILC_SPI_CLK_STATUS_REG; - clk_status_bit = WILC_SPI_CLK_STATUS_BIT; + clk_status_reg = WILC1000_SPI_CLK_STATUS_REG; + clk_status_bit = WILC1000_SPI_CLK_STATUS_BIT; from_host_to_fw_reg = WILC_SPI_HOST_TO_FW_REG; from_host_to_fw_bit = WILC_SPI_HOST_TO_FW_BIT; } @@ -663,6 +697,74 @@ static int chip_wakeup(struct wilc *wilc) return 0; } +static int chip_wakeup_wilc3000(struct wilc *wilc) +{ + u32 wakeup_reg_val, clk_status_reg_val, trials = 0; + u32 wakeup_reg, wakeup_bit; + u32 clk_status_reg, clk_status_bit; + int wake_seq_trials = 5; + const struct wilc_hif_func *hif_func = wilc->hif_func; + + if (wilc->io_type == WILC_HIF_SDIO) { + wakeup_reg = WILC_SDIO_WAKEUP_REG; + wakeup_bit = WILC_SDIO_WAKEUP_BIT; + clk_status_reg = WILC3000_SDIO_CLK_STATUS_REG; + clk_status_bit = WILC3000_SDIO_CLK_STATUS_BIT; + } else { + wakeup_reg = WILC_SPI_WAKEUP_REG; + wakeup_bit = WILC_SPI_WAKEUP_BIT; + clk_status_reg = WILC3000_SPI_CLK_STATUS_REG; + clk_status_bit = WILC3000_SPI_CLK_STATUS_BIT; + } + + hif_func->hif_read_reg(wilc, wakeup_reg, &wakeup_reg_val); + do { + hif_func->hif_write_reg(wilc, wakeup_reg, wakeup_reg_val | + wakeup_bit); + /* Check the clock status */ + hif_func->hif_read_reg(wilc, clk_status_reg, + &clk_status_reg_val); + + /* In case of clocks off, wait 1ms, and check it again. + * if still off, wait for another 1ms, for a total wait of 3ms. + * If still off, redo the wake up sequence + */ + while ((clk_status_reg_val & clk_status_bit) == 0 && + (++trials % 4) != 0) { + /* Wait for the chip to stabilize*/ + usleep_range(1000, 1100); + + /* Make sure chip is awake. This is an extra step that + * can be removed later to avoid the bus access + * overhead + */ + hif_func->hif_read_reg(wilc, clk_status_reg, + &clk_status_reg_val); + } + /* in case of failure, Reset the wakeup bit to introduce a new + * edge on the next loop + */ + if ((clk_status_reg_val & clk_status_bit) == 0) { + hif_func->hif_write_reg(wilc, wakeup_reg, + wakeup_reg_val & (~wakeup_bit)); + /* added wait before wakeup sequence retry */ + usleep_range(200, 300); + } + } while ((clk_status_reg_val & clk_status_bit) == 0 && wake_seq_trials-- > 0); + if (!wake_seq_trials) + dev_err(wilc->dev, "clocks still OFF. Wake up failed\n"); + + return 0; +} + +static int chip_wakeup(struct wilc *wilc) +{ + if (is_wilc1000(wilc->chipid)) + return chip_wakeup_wilc1000(wilc); + else + return chip_wakeup_wilc3000(wilc); +} + static inline int acquire_bus(struct wilc *wilc, enum bus_acquire acquire) { int ret = 0; @@ -695,7 +797,9 @@ int host_wakeup_notify(struct wilc *wilc) if (ret) return ret; - wilc->hif_func->hif_write_reg(wilc, WILC_CORTUS_INTERRUPT_2, 1); + wilc->hif_func->hif_write_reg(wilc, is_wilc1000(wilc->chipid) ? + WILC1000_CORTUS_INTERRUPT_2 : + WILC3000_CORTUS_INTERRUPT_2, 1); return release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); } EXPORT_SYMBOL_GPL(host_wakeup_notify); @@ -707,7 +811,9 @@ int host_sleep_notify(struct wilc *wilc) if (ret) return ret; - wilc->hif_func->hif_write_reg(wilc, WILC_CORTUS_INTERRUPT_1, 1); + wilc->hif_func->hif_write_reg(wilc, is_wilc1000(wilc->chipid) ? + WILC1000_CORTUS_INTERRUPT_1 : + WILC3000_CORTUS_INTERRUPT_1, 1); return release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); } EXPORT_SYMBOL_GPL(host_sleep_notify); @@ -842,19 +948,45 @@ int wilc_wlan_handle_txq(struct wilc *wilc, u32 *txq_count) if (ret) break; - ret = func->hif_write_reg(wilc, WILC_HOST_VMM_CTL, 0x2); - if (ret) - break; + if (is_wilc1000(wilc->chipid)) { + ret = func->hif_write_reg(wilc, WILC_HOST_VMM_CTL, 0x2); + if (ret) + break; - do { - ret = func->hif_read_reg(wilc, WILC_HOST_VMM_CTL, ®); + do { + ret = func->hif_read_reg(wilc, WILC_HOST_VMM_CTL, ®); + if (ret) + break; + if (FIELD_GET(WILC_VMM_ENTRY_AVAILABLE, reg)) { + entries = FIELD_GET(WILC_VMM_ENTRY_COUNT, reg); + break; + } + } while (--timeout); + } else { + ret = func->hif_write_reg(wilc, WILC_HOST_VMM_CTL, 0); if (ret) break; - if (FIELD_GET(WILC_VMM_ENTRY_AVAILABLE, reg)) { - entries = FIELD_GET(WILC_VMM_ENTRY_COUNT, reg); + + /* interrupt firmware */ + ret = func->hif_write_reg(wilc, WILC_CORTUS_INTERRUPT_BASE, 1); + if (ret) break; - } - } while (--timeout); + + do { + ret = func->hif_read_reg(wilc, WILC_CORTUS_INTERRUPT_BASE, ®); + if (ret) + break; + if (reg == 0) { + /* Get the entries */ + ret = func->hif_read_reg(wilc, WILC_HOST_VMM_CTL, ®); + if (ret) + break; + + entries = FIELD_GET(WILC_VMM_ENTRY_COUNT, reg); + break; + } + } while (--timeout); + } if (timeout <= 0) { ret = func->hif_write_reg(wilc, WILC_HOST_VMM_CTL, 0x0); break; @@ -1212,6 +1344,9 @@ int wilc_wlan_start(struct wilc *wilc) if (wilc->io_type == WILC_HIF_SDIO && wilc->dev_irq_num) reg |= WILC_HAVE_SDIO_IRQ_GPIO; + if (is_wilc3000(wilc->chipid)) + reg |= WILC_HAVE_SLEEP_CLK_SRC_RTC; + ret = wilc->hif_func->hif_write_reg(wilc, WILC_GP_REG_1, reg); if (ret) goto release; @@ -1462,21 +1597,25 @@ static int wilc_get_chipid(struct wilc *wilc) u32 rfrevid = 0; if (wilc->chipid == 0) { - wilc->hif_func->hif_read_reg(wilc, WILC_CHIPID, &chipid); - wilc->hif_func->hif_read_reg(wilc, WILC_RF_REVISION_ID, - &rfrevid); - if (!is_wilc1000(chipid)) { - wilc->chipid = 0; - return -EINVAL; - } - if (chipid == WILC_1000_BASE_ID_2A) { /* 0x1002A0 */ - if (rfrevid != 0x1) - chipid = WILC_1000_BASE_ID_2A_REV1; - } else if (chipid == WILC_1000_BASE_ID_2B) { /* 0x1002B0 */ - if (rfrevid == 0x4) - chipid = WILC_1000_BASE_ID_2B_REV1; - else if (rfrevid != 0x3) - chipid = WILC_1000_BASE_ID_2B_REV2; + wilc->hif_func->hif_read_reg(wilc, WILC3000_CHIP_ID, &chipid); + if (!is_wilc3000(chipid)) { + wilc->hif_func->hif_read_reg(wilc, WILC_CHIPID, &chipid); + wilc->hif_func->hif_read_reg(wilc, WILC_RF_REVISION_ID, + &rfrevid); + + if (!is_wilc1000(chipid)) { + wilc->chipid = 0; + return -EINVAL; + } + if (chipid == WILC_1000_BASE_ID_2A) { /* 0x1002A0 */ + if (rfrevid != 0x1) + chipid = WILC_1000_BASE_ID_2A_REV1; + } else if (chipid == WILC_1000_BASE_ID_2B) { /* 0x1002B0 */ + if (rfrevid == 0x4) + chipid = WILC_1000_BASE_ID_2B_REV1; + else if (rfrevid != 0x3) + chipid = WILC_1000_BASE_ID_2B_REV2; + } } wilc->chipid = chipid; @@ -1525,6 +1664,21 @@ static int init_chip(struct net_device *dev) } } + if (is_wilc3000(wilc->chipid)) { + ret = wilc->hif_func->hif_read_reg(wilc, WILC3000_BOOTROM_STATUS, ®); + if (ret) { + netdev_err(dev, "failed to read WILC3000 BootROM status register\n"); + goto release; + } + + ret = wilc->hif_func->hif_write_reg(wilc, WILC3000_CORTUS_BOOT_REGISTER_2, + WILC_CORTUS_BOOT_FROM_IRAM); + if (ret) { + netdev_err(dev, "failed to write WILC3000 Boot register\n"); + goto release; + } + } + release: rv = release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); @@ -1606,7 +1760,7 @@ int wilc_wlan_init(struct net_device *dev) if (ret) goto fail; - if (!is_wilc1000(wilc->chipid)) { + if (!is_wilc1000(wilc->chipid) && !is_wilc3000(wilc->chipid)) { netdev_err(dev, "Unsupported chipid: %x\n", wilc->chipid); ret = -EINVAL; goto fail; diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.h b/drivers/net/wireless/microchip/wilc1000/wlan.h index 4e2b0c4ac1e21..8fcae9d14550c 100644 --- a/drivers/net/wireless/microchip/wilc1000/wlan.h +++ b/drivers/net/wireless/microchip/wilc1000/wlan.h @@ -96,8 +96,14 @@ #define WILC_SPI_WAKEUP_REG 0x1 #define WILC_SPI_WAKEUP_BIT BIT(1) -#define WILC_SPI_CLK_STATUS_REG 0x0f -#define WILC_SPI_CLK_STATUS_BIT BIT(2) +/* WILC1000 specific */ +#define WILC1000_SPI_CLK_STATUS_REG 0x0f +#define WILC1000_SPI_CLK_STATUS_BIT BIT(2) + +/* WILC3000 specific */ +#define WILC3000_SPI_CLK_STATUS_REG 0x13 +#define WILC3000_SPI_CLK_STATUS_BIT BIT(2) + #define WILC_SPI_HOST_TO_FW_REG 0x0b #define WILC_SPI_HOST_TO_FW_BIT BIT(0) @@ -123,14 +129,24 @@ #define WILC_SDIO_WAKEUP_REG 0xf0 #define WILC_SDIO_WAKEUP_BIT BIT(0) -#define WILC_SDIO_CLK_STATUS_REG 0xf1 -#define WILC_SDIO_CLK_STATUS_BIT BIT(0) +/* WILC1000 */ +#define WILC1000_SDIO_CLK_STATUS_REG 0xf1 +#define WILC1000_SDIO_CLK_STATUS_BIT BIT(0) + +#define WILC1000_SDIO_IRQ_FLAG_REG 0xf7 +#define WILC1000_SDIO_IRQ_CLEAR_FLAG_REG 0xf8 + +/* WILC3000 specific */ +#define WILC3000_SDIO_CLK_STATUS_REG 0xf0 /* clk & wakeup are on same reg */ +#define WILC3000_SDIO_CLK_STATUS_BIT BIT(4) + +#define WILC3000_SDIO_VMM_TBL_CTRL_REG 0xf1 +#define WILC3000_SDIO_IRQ_FLAG_REG 0xfe +/* Common vendor specific CCCR register */ #define WILC_SDIO_INTERRUPT_DATA_SZ_REG 0xf2 /* Read size (2 bytes) */ #define WILC_SDIO_VMM_TBL_CTRL_REG 0xf6 -#define WILC_SDIO_IRQ_FLAG_REG 0xf7 -#define WILC_SDIO_IRQ_CLEAR_FLAG_REG 0xf8 #define WILC_SDIO_HOST_TO_FW_REG 0xfa #define WILC_SDIO_HOST_TO_FW_BIT BIT(0) @@ -172,8 +188,11 @@ #define WILC_HAVE_USE_IRQ_AS_HOST_WAKE BIT(8) #define WILC_CORTUS_INTERRUPT_BASE 0x10A8 -#define WILC_CORTUS_INTERRUPT_1 (WILC_CORTUS_INTERRUPT_BASE + 0x4) -#define WILC_CORTUS_INTERRUPT_2 (WILC_CORTUS_INTERRUPT_BASE + 0x8) +#define WILC1000_CORTUS_INTERRUPT_1 (WILC_CORTUS_INTERRUPT_BASE + 0x4) +#define WILC3000_CORTUS_INTERRUPT_1 (WILC_CORTUS_INTERRUPT_BASE + 0x14) + +#define WILC1000_CORTUS_INTERRUPT_2 (WILC_CORTUS_INTERRUPT_BASE + 0x8) +#define WILC3000_CORTUS_INTERRUPT_2 (WILC_CORTUS_INTERRUPT_BASE + 0x18) /* tx control register 1 to 4 for RX */ #define WILC_REG_4_TO_1_RX 0x1e1c @@ -183,6 +202,9 @@ #define WILC_CORTUS_RESET_MUX_SEL 0x1118 #define WILC_CORTUS_BOOT_REGISTER 0xc0000 +#define WILC3000_BOOTROM_STATUS 0x207ac +#define WILC3000_CORTUS_BOOT_REGISTER_2 0x4f0000 +#define WILC3000_CHIP_ID 0x3b0000 #define WILC_CORTUS_BOOT_FROM_IRAM 0x71 @@ -195,6 +217,8 @@ #define WILC_1000_BASE_ID_2B_REV1 (WILC_1000_BASE_ID_2B + 1) #define WILC_1000_BASE_ID_2B_REV2 (WILC_1000_BASE_ID_2B + 2) +#define WILC_3000_BASE_ID 0x300000 + #define WILC_CHIP_REV_FIELD GENMASK(11, 0) /******************************************** @@ -413,6 +437,11 @@ static inline bool is_wilc1000(u32 id) return (id & (~WILC_CHIP_REV_FIELD)) == WILC_1000_BASE_ID; } +static inline bool is_wilc3000(u32 id) +{ + return (id & (~WILC_CHIP_REV_FIELD)) == WILC_3000_BASE_ID; +} + int wilc_wlan_firmware_download(struct wilc *wilc, const u8 *buffer, u32 buffer_size); int wilc_wlan_start(struct wilc *wilc);