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-rw-r--r--package/kernel/mac80211/patches/611-rt2x00-rf_vals-rt3352-xtal20.patch115
1 files changed, 115 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/611-rt2x00-rf_vals-rt3352-xtal20.patch b/package/kernel/mac80211/patches/611-rt2x00-rf_vals-rt3352-xtal20.patch
new file mode 100644
index 0000000000..81df685043
--- /dev/null
+++ b/package/kernel/mac80211/patches/611-rt2x00-rf_vals-rt3352-xtal20.patch
@@ -0,0 +1,115 @@
+--- a/drivers/net/wireless/rt2x00/rt2800lib.c
++++ b/drivers/net/wireless/rt2x00/rt2800lib.c
+@@ -6133,6 +6133,27 @@ static const struct rf_channel rf_vals_5
+ {196, 83, 0, 12, 1},
+ };
+
++/*
++ * RF value list for rt3xxx with Xtal20MHz
++ * Supports: 2.4 GHz (all) (RF3322)
++ */
++static const struct rf_channel rf_vals_xtal20mhz_3x[] = {
++ {1, 0xE2, 2, 0x14},
++ {2, 0xE3, 2, 0x14},
++ {3, 0xE4, 2, 0x14},
++ {4, 0xE5, 2, 0x14},
++ {5, 0xE6, 2, 0x14},
++ {6, 0xE7, 2, 0x14},
++ {7, 0xE8, 2, 0x14},
++ {8, 0xE9, 2, 0x14},
++ {9, 0xEA, 2, 0x14},
++ {10, 0xEB, 2, 0x14},
++ {11, 0xEC, 2, 0x14},
++ {12, 0xED, 2, 0x14},
++ {13, 0xEE, 2, 0x14},
++ {14, 0xF0, 2, 0x18},
++};
++
+ static int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
+ {
+ struct hw_mode_spec *spec = &rt2x00dev->spec;
+@@ -6211,7 +6232,6 @@ static int rt2800_probe_hw_mode(struct r
+ rt2x00_rf(rt2x00dev, RF3022) ||
+ rt2x00_rf(rt2x00dev, RF3290) ||
+ rt2x00_rf(rt2x00dev, RF3320) ||
+- rt2x00_rf(rt2x00dev, RF3322) ||
+ rt2x00_rf(rt2x00dev, RF5360) ||
+ rt2x00_rf(rt2x00dev, RF5370) ||
+ rt2x00_rf(rt2x00dev, RF5372) ||
+@@ -6219,6 +6239,12 @@ static int rt2800_probe_hw_mode(struct r
+ rt2x00_rf(rt2x00dev, RF5392)) {
+ spec->num_channels = 14;
+ spec->channels = rf_vals_3x;
++ } else if (rt2x00_rf(rt2x00dev, RF3322)) {
++ spec->num_channels = 14;
++ if (spec->clk_is_20mhz)
++ spec->channels = rf_vals_xtal20mhz_3x;
++ else
++ spec->channels = rf_vals_3x;
+ } else if (rt2x00_rf(rt2x00dev, RF3052)) {
+ spec->supported_bands |= SUPPORT_BAND_5GHZ;
+ spec->num_channels = ARRAY_SIZE(rf_vals_3x);
+@@ -6366,6 +6392,19 @@ static int rt2800_probe_rt(struct rt2x00
+ return 0;
+ }
+
++int rt2800_probe_clk(struct rt2x00_dev *rt2x00dev)
++{
++ struct rt2x00_platform_data *pdata = rt2x00dev->dev->platform_data;
++ struct hw_mode_spec *spec = &rt2x00dev->spec;
++
++ if (!pdata)
++ return -EINVAL;
++
++ spec->clk_is_20mhz = pdata->clk_is_20mhz;
++
++ return 0;
++}
++
+ int rt2800_probe_hw(struct rt2x00_dev *rt2x00dev)
+ {
+ int retval;
+@@ -6395,6 +6434,15 @@ int rt2800_probe_hw(struct rt2x00_dev *r
+ rt2800_register_write(rt2x00dev, GPIO_CTRL, reg);
+
+ /*
++ * Probe SoC clock.
++ */
++ if (rt2x00_is_soc(rt2x00dev)) {
++ retval = rt2800_probe_clk(rt2x00dev);
++ if (retval)
++ return retval;
++ }
++
++ /*
+ * Initialize hw specifications.
+ */
+ retval = rt2800_probe_hw_mode(rt2x00dev);
+--- a/drivers/net/wireless/rt2x00/rt2x00.h
++++ b/drivers/net/wireless/rt2x00/rt2x00.h
+@@ -409,6 +409,7 @@ static inline struct rt2x00_intf* vif_to
+ * @channels: Device/chipset specific channel values (See &struct rf_channel).
+ * @channels_info: Additional information for channels (See &struct channel_info).
+ * @ht: Driver HT Capabilities (See &ieee80211_sta_ht_cap).
++ * @clk_is_20mhz: External crystal of WiSoC is 20MHz instead of 40MHz
+ */
+ struct hw_mode_spec {
+ unsigned int supported_bands;
+@@ -425,6 +426,7 @@ struct hw_mode_spec {
+ const struct channel_info *channels_info;
+
+ struct ieee80211_sta_ht_cap ht;
++ int clk_is_20mhz;
+ };
+
+ /*
+--- a/include/linux/rt2x00_platform.h
++++ b/include/linux/rt2x00_platform.h
+@@ -18,6 +18,7 @@ struct rt2x00_platform_data {
+
+ int disable_2ghz;
+ int disable_5ghz;
++ int clk_is_20mhz;
+ };
+
+ #endif /* _RT2X00_PLATFORM_H */