git.sur5r.net Git - u-boot/blob - arch/arm/mach-at91/armv7/sama5d2_devices.c

   1 /*
   2  * Copyright (C) 2015 Atmel Corporation
   3  *                    Wenyou Yang <wenyou.yang@atmel.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <asm/io.h>
  10 #include <asm/arch/at91_pmc.h>
  11 #include <asm/arch/clk.h>
  12 #include <asm/arch/sama5d2.h>
  13
  14 char *get_cpu_name()
  15 {
  16         unsigned int extension_id = get_extension_chip_id();
  17
  18         if (cpu_is_sama5d2()) {
  19                 switch (extension_id) {
  20                 case ARCH_EXID_SAMA5D21CU:
  21                         return "SAMA5D21";
  22                 case ARCH_EXID_SAMA5D22CU:
  23                         return "SAMA5D22-CU";
  24                 case ARCH_EXID_SAMA5D22CN:
  25                         return "SAMA5D22-CN";
  26                 case ARCH_EXID_SAMA5D23CU:
  27                         return "SAMA5D23-CU";
  28                 case ARCH_EXID_SAMA5D24CX:
  29                         return "SAMA5D24-CX";
  30                 case ARCH_EXID_SAMA5D24CU:
  31                         return "SAMA5D24-CU";
  32                 case ARCH_EXID_SAMA5D26CU:
  33                         return "SAMA5D26-CU";
  34                 case ARCH_EXID_SAMA5D27CU:
  35                         return "SAMA5D27-CU";
  36                 case ARCH_EXID_SAMA5D27CN:
  37                         return "SAMA5D27-CN";
  38                 case ARCH_EXID_SAMA5D28CU:
  39                         return "SAMA5D28-CU";
  40                 case ARCH_EXID_SAMA5D28CN:
  41                         return "SAMA5D28-CN";
  42                 }
  43         }
  44
  45         return "Unknown CPU type";
  46 }
  47
  48 #ifdef CONFIG_USB_GADGET_ATMEL_USBA
  49 void at91_udp_hw_init(void)
  50 {
  51         struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
  52
  53         writel(AT91_PMC_UPLLEN | AT91_PMC_BIASEN, &pmc->uckr);
  54
  55         at91_periph_clk_enable(ATMEL_ID_UDPHS);
  56 }
  57 #endif