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path: root/target/linux/cns3xxx/patches-3.14/210-dwc2_defaults.patch
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Diffstat (limited to 'target/linux/cns3xxx/patches-3.14/210-dwc2_defaults.patch')
-rw-r--r--target/linux/cns3xxx/patches-3.14/210-dwc2_defaults.patch47
1 files changed, 47 insertions, 0 deletions
diff --git a/target/linux/cns3xxx/patches-3.14/210-dwc2_defaults.patch b/target/linux/cns3xxx/patches-3.14/210-dwc2_defaults.patch
new file mode 100644
index 0000000..00081c4
--- /dev/null
+++ b/target/linux/cns3xxx/patches-3.14/210-dwc2_defaults.patch
@@ -0,0 +1,47 @@
+--- a/drivers/usb/dwc2/platform.c
++++ b/drivers/usb/dwc2/platform.c
+@@ -75,6 +75,34 @@ static const struct dwc2_core_params par
+ .uframe_sched = 0,
+ };
+
++static const struct dwc2_core_params params_cns3xxx = {
++ .otg_cap = 2, /* non-HNP/non-SRP capable */
++ .otg_ver = 0, /* 1.3 */
++ .dma_enable = 1,
++ .dma_desc_enable = 0,
++ .speed = 0, /* High Speed */
++ .enable_dynamic_fifo = 1,
++ .en_multiple_tx_fifo = 1,
++ .host_rx_fifo_size = 658, /* 774 DWORDs */
++ .host_nperio_tx_fifo_size = 128, /* 256 DWORDs */
++ .host_perio_tx_fifo_size = 658, /* 512 DWORDs */
++ .max_transfer_size = 65535,
++ .max_packet_count = 511,
++ .host_channels = 16,
++ .phy_type = 1, /* UTMI */
++ .phy_utmi_width = 16, /* 8 bits */
++ .phy_ulpi_ddr = 0, /* Single */
++ .phy_ulpi_ext_vbus = 0,
++ .i2c_enable = 0,
++ .ulpi_fs_ls = 0,
++ .host_support_fs_ls_low_power = 0,
++ .host_ls_low_power_phy_clk = 0, /* 48 MHz */
++ .ts_dline = 0,
++ .reload_ctl = 0,
++ .ahbcfg = 0x10,
++ .uframe_sched = 0,
++};
++
+ /**
+ * dwc2_driver_remove() - Called when the DWC_otg core is unregistered with the
+ * DWC_otg driver
+@@ -134,6 +162,9 @@ static int dwc2_driver_probe(struct plat
+ /* Default all params to autodetect */
+ dwc2_set_all_params(&defparams, -1);
+ params = &defparams;
++#ifdef CONFIG_ARCH_CNS3XXX
++ params = &params_cns3xxx;
++#endif
+ }
+
+ hsotg = devm_kzalloc(&dev->dev, sizeof(*hsotg), GFP_KERNEL);