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[PATCH] wifi: brcmfmac: Add support for the SDIO 43751 device

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Add the SDIO ID and firmware matching for the SDIO 43751 device.

Based on the previous work from Marc Gonzalez <mgonzalez@xxxxxxxxxx>.

Tested on an i.MX6DL board connected to an AP6398SV chip with the
brcmfmac43752-sdio.bin firmware taken from:

https://source.puri.sm/Librem5/firmware-brcm43752-nonfree

Signed-off-by: Fabio Estevam <festevam@xxxxxxxxx>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c     | 1 +
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c       | 2 ++
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c       | 3 +++
 drivers/net/wireless/broadcom/brcm80211/include/brcm_hw_ids.h | 1 +
 include/linux/mmc/sdio_ids.h                                  | 1 +
 5 files changed, 8 insertions(+)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
index 6bc107476a2a..982b560a516a 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
@@ -998,6 +998,7 @@ static const struct sdio_device_id brcmf_sdmmc_ids[] = {
 	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4359, WCC),
 	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_CYPRESS_4373, CYW),
 	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_CYPRESS_43012, CYW),
+	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_CYPRESS_43751, CYW),
 	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_CYPRESS_43752, CYW),
 	BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_CYPRESS_89359, CYW),
 	CYW_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_CYPRESS_43439, CYW),
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
index 2ef92ef25517..f0f39fb68f82 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
@@ -738,6 +738,7 @@ static u32 brcmf_chip_tcm_rambase(struct brcmf_chip_priv *ci)
 	case BRCM_CC_4364_CHIP_ID:
 	case CY_CC_4373_CHIP_ID:
 		return 0x160000;
+	case CY_CC_43751_CHIP_ID:
 	case CY_CC_43752_CHIP_ID:
 	case BRCM_CC_4377_CHIP_ID:
 		return 0x170000;
@@ -1450,6 +1451,7 @@ bool brcmf_chip_sr_capable(struct brcmf_chip *pub)
 		reg = chip->ops->read32(chip->ctx, addr);
 		return (reg & CC_SR_CTL0_ENABLE_MASK) != 0;
 	case BRCM_CC_4359_CHIP_ID:
+	case CY_CC_43751_CHIP_ID:
 	case CY_CC_43752_CHIP_ID:
 	case CY_CC_43012_CHIP_ID:
 		addr = CORE_CC_REG(pmu->base, retention_ctl);
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index cf26ab15ee0c..49b8b4ce0c6c 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -657,6 +657,7 @@ static const struct brcmf_firmware_mapping brcmf_sdio_fwnames[] = {
 	BRCMF_FW_ENTRY(CY_CC_4373_CHIP_ID, 0xFFFFFFFF, 4373),
 	BRCMF_FW_ENTRY(CY_CC_43012_CHIP_ID, 0xFFFFFFFF, 43012),
 	BRCMF_FW_ENTRY(CY_CC_43439_CHIP_ID, 0xFFFFFFFF, 43439),
+	BRCMF_FW_ENTRY(CY_CC_43751_CHIP_ID, 0xFFFFFFFF, 43752),
 	BRCMF_FW_ENTRY(CY_CC_43752_CHIP_ID, 0xFFFFFFFF, 43752)
 };
 
@@ -3425,6 +3426,7 @@ static int brcmf_sdio_download_firmware(struct brcmf_sdio *bus,
 static bool brcmf_sdio_aos_no_decode(struct brcmf_sdio *bus)
 {
 	if (bus->ci->chip == CY_CC_43012_CHIP_ID ||
+	    bus->ci->chip == CY_CC_43751_CHIP_ID ||
 	    bus->ci->chip == CY_CC_43752_CHIP_ID)
 		return true;
 	else
@@ -4276,6 +4278,7 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
 
 		switch (sdiod->func1->device) {
 		case SDIO_DEVICE_ID_BROADCOM_CYPRESS_4373:
+		case SDIO_DEVICE_ID_BROADCOM_CYPRESS_43751:
 		case SDIO_DEVICE_ID_BROADCOM_CYPRESS_43752:
 			brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n",
 				  CY_4373_F2_WATERMARK);
diff --git a/drivers/net/wireless/broadcom/brcm80211/include/brcm_hw_ids.h b/drivers/net/wireless/broadcom/brcm80211/include/brcm_hw_ids.h
index c1e22c589d85..8975db60ac23 100644
--- a/drivers/net/wireless/broadcom/brcm80211/include/brcm_hw_ids.h
+++ b/drivers/net/wireless/broadcom/brcm80211/include/brcm_hw_ids.h
@@ -59,6 +59,7 @@
 #define CY_CC_4373_CHIP_ID		0x4373
 #define CY_CC_43012_CHIP_ID		43012
 #define CY_CC_43439_CHIP_ID		43439
+#define CY_CC_43751_CHIP_ID		43751
 #define CY_CC_43752_CHIP_ID		43752
 
 /* USB Device IDs */
diff --git a/include/linux/mmc/sdio_ids.h b/include/linux/mmc/sdio_ids.h
index 7cddfdac2f57..bc94e373566b 100644
--- a/include/linux/mmc/sdio_ids.h
+++ b/include/linux/mmc/sdio_ids.h
@@ -76,6 +76,7 @@
 #define SDIO_DEVICE_ID_BROADCOM_43430		0xa9a6
 #define SDIO_DEVICE_ID_BROADCOM_43439		0xa9af
 #define SDIO_DEVICE_ID_BROADCOM_43455		0xa9bf
+#define SDIO_DEVICE_ID_BROADCOM_CYPRESS_43751	0xaae7
 #define SDIO_DEVICE_ID_BROADCOM_CYPRESS_43752	0xaae8
 
 #define SDIO_VENDOR_ID_CYPRESS			0x04b4
-- 
2.34.1





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