uboot/arch/arm/mach-at91/armv7/sama5d2_devices.c
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   1// SPDX-License-Identifier: GPL-2.0+
   2/*
   3 * Copyright (C) 2015 Atmel Corporation
   4 *                    Wenyou Yang <wenyou.yang@atmel.com>
   5 */
   6
   7#include <common.h>
   8#include <asm/io.h>
   9#include <asm/arch/clk.h>
  10#include <asm/arch/sama5d2.h>
  11
  12int _cpu_is_sama5d2(void)
  13{
  14        unsigned int chip_id = get_chip_id();
  15
  16        return ((chip_id == ARCH_ID_SAMA5D2) ||
  17                (chip_id == ARCH_ID_SAMA5D2_SIP)) ? 1 : 0;
  18}
  19
  20char *get_cpu_name(void)
  21{
  22        unsigned int chip_id = get_chip_id();
  23        unsigned int extension_id = get_extension_chip_id();
  24
  25        if (chip_id == ARCH_ID_SAMA5D2) {
  26                switch (extension_id) {
  27                case ARCH_EXID_SAMA5D21CU:
  28                        return "SAMA5D21";
  29                case ARCH_EXID_SAMA5D22CU:
  30                        return "SAMA5D22-CU";
  31                case ARCH_EXID_SAMA5D22CN:
  32                        return "SAMA5D22-CN";
  33                case ARCH_EXID_SAMA5D23CU:
  34                        return "SAMA5D23-CU";
  35                case ARCH_EXID_SAMA5D24CX:
  36                        return "SAMA5D24-CX";
  37                case ARCH_EXID_SAMA5D24CU:
  38                        return "SAMA5D24-CU";
  39                case ARCH_EXID_SAMA5D26CU:
  40                        return "SAMA5D26-CU";
  41                case ARCH_EXID_SAMA5D27CU:
  42                        return "SAMA5D27-CU";
  43                case ARCH_EXID_SAMA5D27CN:
  44                        return "SAMA5D27-CN";
  45                case ARCH_EXID_SAMA5D28CU:
  46                        return "SAMA5D28-CU";
  47                case ARCH_EXID_SAMA5D28CN:
  48                        return "SAMA5D28-CN";
  49                }
  50        }
  51
  52        if ((chip_id == ARCH_ID_SAMA5D2) || (chip_id == ARCH_ID_SAMA5D2_SIP)) {
  53                switch (extension_id) {
  54                case ARCH_EXID_SAMA5D225C_D1M:
  55                        return "SAMA5D225 128M bits DDR2 SDRAM";
  56                case ARCH_EXID_SAMA5D27C_D5M:
  57                        return "SAMA5D27 512M bits DDR2 SDRAM";
  58                case ARCH_EXID_SAMA5D27C_D1G:
  59                        return "SAMA5D27 1G bits DDR2 SDRAM";
  60                case ARCH_EXID_SAMA5D27C_LD1G:
  61                        return "SAMA5D27 1G bits LPDDR2 SDRAM";
  62                case ARCH_EXID_SAMA5D27C_LD2G:
  63                        return "SAMA5D27 2G bits LPDDR2 SDRAM";
  64                case ARCH_EXID_SAMA5D28C_D1G:
  65                        return "SAMA5D28 1G bits DDR2 SDRAM";
  66                case ARCH_EXID_SAMA5D28C_LD1G:
  67                        return "SAMA5D28 1G bits LPDDR2 SDRAM";
  68                case ARCH_EXID_SAMA5D28C_LD2G:
  69                        return "SAMA5D28 2G bits LPDDR2 SDRAM";
  70                }
  71        }
  72
  73        return "Unknown CPU type";
  74}
  75
  76#ifdef CONFIG_USB_GADGET_ATMEL_USBA
  77void at91_udp_hw_init(void)
  78{
  79        at91_upll_clk_enable();
  80
  81        at91_periph_clk_enable(ATMEL_ID_UDPHS);
  82}
  83#endif
  84