cns3xxx: add experimental 3.18 support

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 43406

1 files changed, 47 insertions, 0 deletions

diff --git a/target/linux/cns3xxx/patches-3.18/210-dwc2_defaults.patch b/target/linux/cns3xxx/patches-3.18/210-dwc2_defaults.patch
new file mode 100644
index 0000000..e9c71a1
--- /dev/null
+++ b/target/linux/cns3xxx/patches-3.18/210-dwc2_defaults.patch
@@ -0,0 +1,47 @@
+--- a/drivers/usb/dwc2/platform.c
++++ b/drivers/usb/dwc2/platform.c
+@@ -105,6 +105,34 @@ static const struct dwc2_core_params par
+ 	.uframe_sched			= -1,
+ };
+ 
++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
+@@ -165,6 +193,9 @@ 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
+ 
+ 		/*
+ 		 * Disable descriptor dma mode by default as the HW can support