On 1/22/2022 1:35 PM, Stefan Wahren wrote:
Am 01.01.22 um 21:26 schrieb Stefan Wahren:A separate firmware is needed, for Broadcom 43430 revision 4. This chip can be found on e.g. certain revisions of Raspberry Pi Zero 2 W. Original firmware file from IC vendor is named 'brcmfmac43436-sdio.bin', but brcmfmac and also btbcm drivers report chip id 43430, so requested firmware file name is 'brcmfmac43430c0-sdio.bin' in line with other 43430 revisions. Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx> --- Hi, i'm not sure about all these mappings. All i can say is that the wifi interface of the RPi Zero 2 cames up with this patch.gentle ping (yes, i'm aware of the merge window)
Sorry, Stefan Should have seen this earlier, but here it is....
drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c index 8effeb7..c79bd47 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c @@ -618,6 +618,7 @@ BRCMF_FW_DEF(43430A0, "brcmfmac43430a0-sdio"); /* Note the names are not postfixed with a1 for backward compatibility */ BRCMF_FW_CLM_DEF(43430A1, "brcmfmac43430-sdio"); BRCMF_FW_DEF(43430B0, "brcmfmac43430b0-sdio"); +BRCMF_FW_CLM_DEF(43430C0, "brcmfmac43430c0-sdio"); BRCMF_FW_CLM_DEF(43455, "brcmfmac43455-sdio"); BRCMF_FW_DEF(43456, "brcmfmac43456-sdio"); BRCMF_FW_CLM_DEF(4354, "brcmfmac4354-sdio"); @@ -649,7 +650,8 @@ static const struct brcmf_firmware_mapping brcmf_sdio_fwnames[] = { BRCMF_FW_ENTRY(BRCM_CC_4339_CHIP_ID, 0xFFFFFFFF, 4339), BRCMF_FW_ENTRY(BRCM_CC_43430_CHIP_ID, 0x00000001, 43430A0), BRCMF_FW_ENTRY(BRCM_CC_43430_CHIP_ID, 0x00000002, 43430A1), - BRCMF_FW_ENTRY(BRCM_CC_43430_CHIP_ID, 0xFFFFFFFC, 43430B0), + BRCMF_FW_ENTRY(BRCM_CC_43430_CHIP_ID, 0x00000004, 43430C0),
According to the revision mask your firmware seems to be for numerical revision 2 of this chip...
+ BRCMF_FW_ENTRY(BRCM_CC_43430_CHIP_ID, 0xFFFFFFF8, 43430B0),
and for the b0 the chip revision is 3 (or higher). So the alphanumeric revision of your chip would be 'a2' instead of 'c0'.
BRCMF_FW_ENTRY(BRCM_CC_4345_CHIP_ID, 0x00000200, 43456), BRCMF_FW_ENTRY(BRCM_CC_4345_CHIP_ID, 0xFFFFFDC0, 43455), BRCMF_FW_ENTRY(BRCM_CC_4354_CHIP_ID, 0xFFFFFFFF, 4354),
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