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/clk.h>
  11 #include <asm/arch/sama5d2.h>
  12
  13 int cpu_is_sama5d2(void)
  14 {
  15         unsigned int chip_id = get_chip_id();
  16
  17         return ((chip_id == ARCH_ID_SAMA5D2) ||
  18                 (chip_id == ARCH_ID_SAMA5D2_SIP)) ? 1 : 0;
  19 }
  20
  21 char *get_cpu_name(void)
  22 {
  23         unsigned int chip_id = get_chip_id();
  24         unsigned int extension_id = get_extension_chip_id();
  25
  26         if (chip_id == ARCH_ID_SAMA5D2) {
  27                 switch (extension_id) {
  28                 case ARCH_EXID_SAMA5D21CU:
  29                         return "SAMA5D21";
  30                 case ARCH_EXID_SAMA5D22CU:
  31                         return "SAMA5D22-CU";
  32                 case ARCH_EXID_SAMA5D22CN:
  33                         return "SAMA5D22-CN";
  34                 case ARCH_EXID_SAMA5D23CU:
  35                         return "SAMA5D23-CU";
  36                 case ARCH_EXID_SAMA5D24CX:
  37                         return "SAMA5D24-CX";
  38                 case ARCH_EXID_SAMA5D24CU:
  39                         return "SAMA5D24-CU";
  40                 case ARCH_EXID_SAMA5D26CU:
  41                         return "SAMA5D26-CU";
  42                 case ARCH_EXID_SAMA5D27CU:
  43                         return "SAMA5D27-CU";
  44                 case ARCH_EXID_SAMA5D27CN:
  45                         return "SAMA5D27-CN";
  46                 case ARCH_EXID_SAMA5D28CU:
  47                         return "SAMA5D28-CU";
  48                 case ARCH_EXID_SAMA5D28CN:
  49                         return "SAMA5D28-CN";
  50                 }
  51         }
  52
  53         if ((chip_id == ARCH_ID_SAMA5D2) || (chip_id == ARCH_ID_SAMA5D2_SIP)) {
  54                 switch (extension_id) {
  55                 case ARCH_EXID_SAMA5D225C_D1M:
  56                         return "SAMA5D225 128M bits DDR2 SDRAM";
  57                 case ARCH_EXID_SAMA5D27C_D5M:
  58                         return "SAMA5D27 512M bits DDR2 SDRAM";
  59                 case ARCH_EXID_SAMA5D27C_D1G:
  60                         return "SAMA5D27 1G bits DDR2 SDRAM";
  61                 case ARCH_EXID_SAMA5D28C_D1G:
  62                         return "SAMA5D28 1G bits DDR2 SDRAM";
  63                 }
  64         }
  65
  66         return "Unknown CPU type";
  67 }
  68
  69 #ifdef CONFIG_USB_GADGET_ATMEL_USBA
  70 void at91_udp_hw_init(void)
  71 {
  72         at91_upll_clk_enable();
  73
  74         at91_periph_clk_enable(ATMEL_ID_UDPHS);
  75 }
  76 #endif