arch/arm/mach-rockchip/rk3036-board.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * (C) Copyright 2015 Rockchip Electronics Co., Ltd
   4  */
   5
   6 #include <common.h>
   7 #include <clk.h>
   8 #include <dm.h>
   9 #include <ram.h>
  10 #include <asm/gpio.h>
  11 #include <asm/io.h>
  12 #include <asm/arch-rockchip/clock.h>
  13 #include <asm/arch-rockchip/periph.h>
  14 #include <asm/arch-rockchip/grf_rk3036.h>
  15 #include <asm/arch-rockchip/boot_mode.h>
  16 #include <asm/arch-rockchip/sdram_rk3036.h>
  17 #include <dm/pinctrl.h>
  18
  19 DECLARE_GLOBAL_DATA_PTR;
  20
  21 __weak int rk_board_late_init(void)
  22 {
  23         return 0;
  24 }
  25
  26 int board_late_init(void)
  27 {
  28         setup_boot_mode();
  29
  30         return rk_board_late_init();
  31 }
  32
  33 int board_init(void)
  34 {
  35         return 0;
  36 }
  37
  38 #if !CONFIG_IS_ENABLED(RAM)
  39 /*
  40  * When CONFIG_RAM is enabled, the dram_init() function is implemented
  41  * in sdram_common.c.
  42  */
  43 int dram_init(void)
  44 {
  45         gd->ram_size = sdram_size();
  46
  47         return 0;
  48 }
  49 #endif
  50
  51 #if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
  52 void enable_caches(void)
  53 {
  54         /* Enable D-cache. I-cache is already enabled in start.S */
  55         dcache_enable();
  56 }
  57 #endif
  58
  59 #if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
  60 #include <usb.h>
  61 #include <usb/dwc2_udc.h>
  62
  63 static struct dwc2_plat_otg_data rk3036_otg_data = {
  64         .rx_fifo_sz     = 512,
  65         .np_tx_fifo_sz  = 16,
  66         .tx_fifo_sz     = 128,
  67 };
  68
  69 int board_usb_init(int index, enum usb_init_type init)
  70 {
  71         int node;
  72         const char *mode;
  73         bool matched = false;
  74         const void *blob = gd->fdt_blob;
  75
  76         /* find the usb_otg node */
  77         node = fdt_node_offset_by_compatible(blob, -1,
  78                                         "rockchip,rk3288-usb");
  79
  80         while (node > 0) {
  81                 mode = fdt_getprop(blob, node, "dr_mode", NULL);
  82                 if (mode && strcmp(mode, "otg") == 0) {
  83                         matched = true;
  84                         break;
  85                 }
  86
  87                 node = fdt_node_offset_by_compatible(blob, node,
  88                                         "rockchip,rk3288-usb");
  89         }
  90         if (!matched) {
  91                 debug("Not found usb_otg device\n");
  92                 return -ENODEV;
  93         }
  94         rk3036_otg_data.regs_otg = fdtdec_get_addr(blob, node, "reg");
  95
  96         return dwc2_udc_probe(&rk3036_otg_data);
  97 }
  98
  99 int board_usb_cleanup(int index, enum usb_init_type init)
 100 {
 101         return 0;
 102 }
 103 #endif