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wifi: brcmfmac: Add support for the SDIO 43751 device

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

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

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@gmail.com>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>>
Link: https://patch.msgid.link/20250712215307.1310802-1-festevam@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Fabio Estevam
2025-07-12 18:53:07 -03:00
committed by Johannes Berg
parent 219cbc4d71
commit 78e50d8899
5 changed files with 9 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
View File

@@ -996,6 +996,7 @@ static const struct sdio_device_id brcmf_sdmmc_ids[] = {
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4354, WCC),
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4356, WCC),
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_4359, WCC),
BRCMF_SDIO_DEVICE(SDIO_DEVICE_ID_BROADCOM_43751, 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_43752, CYW),

2
drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
View File

@@ -739,6 +739,7 @@ static u32 brcmf_chip_tcm_rambase(struct brcmf_chip_priv *ci)
case CY_CC_4373_CHIP_ID:
return 0x160000;
case CY_CC_43752_CHIP_ID:
case BRCM_CC_43751_CHIP_ID:
case BRCM_CC_4377_CHIP_ID:
return 0x170000;
case BRCM_CC_4378_CHIP_ID:
@@ -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 BRCM_CC_43751_CHIP_ID:
case CY_CC_43752_CHIP_ID:
case CY_CC_43012_CHIP_ID:
addr = CORE_CC_REG(pmu->base, retention_ctl);

5
drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
View File

@@ -654,6 +654,7 @@ static const struct brcmf_firmware_mapping brcmf_sdio_fwnames[] = {
BRCMF_FW_ENTRY(BRCM_CC_4354_CHIP_ID, 0xFFFFFFFF, 4354),
BRCMF_FW_ENTRY(BRCM_CC_4356_CHIP_ID, 0xFFFFFFFF, 4356),
BRCMF_FW_ENTRY(BRCM_CC_4359_CHIP_ID, 0xFFFFFFFF, 4359),
BRCMF_FW_ENTRY(BRCM_CC_43751_CHIP_ID, 0xFFFFFFFF, 43752),
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),
@@ -3424,7 +3425,8 @@ err:
static bool brcmf_sdio_aos_no_decode(struct brcmf_sdio *bus)
{
if (bus->ci->chip == CY_CC_43012_CHIP_ID ||
if (bus->ci->chip == BRCM_CC_43751_CHIP_ID ||
bus->ci->chip == CY_CC_43012_CHIP_ID ||
bus->ci->chip == CY_CC_43752_CHIP_ID)
return true;
else
@@ -4275,6 +4277,7 @@ static void brcmf_sdio_firmware_callback(struct device *dev, int err,
bus->hostintmask, NULL);
switch (sdiod->func1->device) {
case SDIO_DEVICE_ID_BROADCOM_43751:
case SDIO_DEVICE_ID_BROADCOM_CYPRESS_4373:
case SDIO_DEVICE_ID_BROADCOM_CYPRESS_43752:
brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n",

1
drivers/net/wireless/broadcom/brcm80211/include/brcm_hw_ids.h
View File

@@ -52,6 +52,7 @@
#define BRCM_CC_43664_CHIP_ID 43664
#define BRCM_CC_43666_CHIP_ID 43666
#define BRCM_CC_4371_CHIP_ID 0x4371
#define BRCM_CC_43751_CHIP_ID 43751
#define BRCM_CC_43752_CHIP_ID 43752
#define BRCM_CC_4377_CHIP_ID 0x4377
#define BRCM_CC_4378_CHIP_ID 0x4378

1
include/linux/mmc/sdio_ids.h
View File

@@ -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_43751 0xaae7
#define SDIO_DEVICE_ID_BROADCOM_CYPRESS_43752 0xaae8
#define SDIO_VENDOR_ID_CYPRESS 0x04b4