diff options
author | Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com> | 2017-12-14 16:43:25 +0100 |
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committer | Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com> | 2018-01-29 15:29:20 +0100 |
commit | 4f1ca67d443b1ceac41ef4875bf55ad090319a28 (patch) | |
tree | 4801c41b500df7afa090834dc8ee4e7713b8ce2f | |
parent | ad3dc70f0cf71ee195a44caab8407737599f0aee (diff) |
puma: workarounds for AP6255 wifi module
Sleep must be disabled as the module does not seem
to wake up again when plugged into the MicroSD slot.
Signed-off-by: Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com>
-rw-r--r-- | arch/arm64/boot/dts/rockchip/rk3399-puma.dts | 4 | ||||
-rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/sdio.c | 5 |
2 files changed, 7 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma.dts b/arch/arm64/boot/dts/rockchip/rk3399-puma.dts index 2bbcdebd4420..339dc08fc6f1 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dts @@ -688,7 +688,9 @@ /* Q7_SDIO - External SD Card */ &sdmmc { - max-frequency = <50000000>; // 50 MHz = High Speed 3.3V + // On the AP6255 Wifi module, firmware download fails above 25 MHz. Set to 10 MHz to be safe. + max-frequency = <10000000>; + //max-frequency = <50000000>; // 50 MHz = High Speed 3.3V supports-sdio; supports-sd; bus-width = <4>; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/sdio.c index bcf29bf6f727..2e9cc44d6346 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/sdio.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio.c @@ -309,7 +309,10 @@ struct rte_console { #define BRCMF_IDLE_ACTIVE 0 /* Do not request any SD clock change * when idle */ -#define BRCMF_IDLE_INTERVAL 1 + +// The AP6255 Wifi module plugged into the Haikou baseboard does not +// wake up once it is sent to sleep. Disable sleep for now. +#define BRCMF_IDLE_INTERVAL 0 #define KSO_WAIT_US 50 #define MAX_KSO_ATTEMPTS (PMU_MAX_TRANSITION_DLY/KSO_WAIT_US) |