#include <asm/io.h>
#include <asm/armv8/mmu.h>
#include <linux/sizes.h>
-#include <usb.h>
-#include <linux/usb/otg.h>
-#include <asm/arch/usb.h>
-#include <usb/dwc2_udc.h>
-#include <phy.h>
-#include <clk.h>
DECLARE_GLOBAL_DATA_PTR;
};
struct mm_region *mem_map = g12a_mem_map;
-
-#if CONFIG_IS_ENABLED(USB_DWC3_MESON_G12A) && \
- CONFIG_IS_ENABLED(USB_GADGET_DWC2_OTG)
-static struct dwc2_plat_otg_data meson_g12a_dwc2_data;
-
-int board_usb_init(int index, enum usb_init_type init)
-{
- struct fdtdec_phandle_args args;
- const void *blob = gd->fdt_blob;
- int node, dwc2_node;
- struct udevice *dev, *clk_dev;
- struct clk clk;
- int ret;
-
- /* find the usb glue node */
- node = fdt_node_offset_by_compatible(blob, -1,
- "amlogic,meson-g12a-usb-ctrl");
- if (node < 0) {
- debug("Not found usb-control node\n");
- return -ENODEV;
- }
-
- if (!fdtdec_get_is_enabled(blob, node)) {
- debug("usb is disabled in the device tree\n");
- return -ENODEV;
- }
-
- ret = uclass_get_device_by_of_offset(UCLASS_SIMPLE_BUS, node, &dev);
- if (ret) {
- debug("Not found usb-control device\n");
- return ret;
- }
-
- /* find the dwc2 node */
- dwc2_node = fdt_node_offset_by_compatible(blob, node,
- "amlogic,meson-g12a-usb");
- if (dwc2_node < 0) {
- debug("Not found dwc2 node\n");
- return -ENODEV;
- }
-
- if (!fdtdec_get_is_enabled(blob, dwc2_node)) {
- debug("dwc2 is disabled in the device tree\n");
- return -ENODEV;
- }
-
- meson_g12a_dwc2_data.regs_otg = fdtdec_get_addr(blob, dwc2_node, "reg");
- if (meson_g12a_dwc2_data.regs_otg == FDT_ADDR_T_NONE) {
- debug("usbotg: can't get base address\n");
- return -ENODATA;
- }
-
- /* Enable clock */
- ret = fdtdec_parse_phandle_with_args(blob, dwc2_node, "clocks",
- "#clock-cells", 0, 0, &args);
- if (ret) {
- debug("usbotg has no clocks defined in the device tree\n");
- return ret;
- }
-
- ret = uclass_get_device_by_of_offset(UCLASS_CLK, args.node, &clk_dev);
- if (ret)
- return ret;
-
- if (args.args_count != 1) {
- debug("Can't find clock ID in the device tree\n");
- return -ENODATA;
- }
-
- clk.dev = clk_dev;
- clk.id = args.args[0];
-
- ret = clk_enable(&clk);
- if (ret) {
- debug("Failed to enable usbotg clock\n");
- return ret;
- }
-
- meson_g12a_dwc2_data.rx_fifo_sz = fdtdec_get_int(blob, dwc2_node,
- "g-rx-fifo-size", 0);
- meson_g12a_dwc2_data.np_tx_fifo_sz = fdtdec_get_int(blob, dwc2_node,
- "g-np-tx-fifo-size", 0);
- meson_g12a_dwc2_data.tx_fifo_sz = fdtdec_get_int(blob, dwc2_node,
- "g-tx-fifo-size", 0);
-
- /* Switch to peripheral mode */
- ret = dwc3_meson_g12a_force_mode(dev, USB_DR_MODE_PERIPHERAL);
- if (ret)
- return ret;
-
- return dwc2_udc_probe(&meson_g12a_dwc2_data);
-}
-
-int board_usb_cleanup(int index, enum usb_init_type init)
-{
- const void *blob = gd->fdt_blob;
- struct udevice *dev;
- int node;
- int ret;
-
- /* find the usb glue node */
- node = fdt_node_offset_by_compatible(blob, -1,
- "amlogic,meson-g12a-usb-ctrl");
- if (node < 0)
- return -ENODEV;
-
- if (!fdtdec_get_is_enabled(blob, node))
- return -ENODEV;
-
- ret = uclass_get_device_by_of_offset(UCLASS_SIMPLE_BUS, node, &dev);
- if (ret)
- return ret;
-
- /* Switch to OTG mode */
- ret = dwc3_meson_g12a_force_mode(dev, USB_DR_MODE_HOST);
- if (ret)
- return ret;
-
- return 0;
-}
-#endif
projects / u-boot.git / commitdiff
