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

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