1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2015 Atmel Corporation
4 * Wenyou Yang <wenyou.yang@atmel.com>
9 #include <asm/arch/clk.h>
10 #include <asm/arch/sama5d2.h>
12 int cpu_is_sama5d2(void)
14 unsigned int chip_id = get_chip_id();
16 return ((chip_id == ARCH_ID_SAMA5D2) ||
17 (chip_id == ARCH_ID_SAMA5D2_SIP)) ? 1 : 0;
20 char *get_cpu_name(void)
22 unsigned int chip_id = get_chip_id();
23 unsigned int extension_id = get_extension_chip_id();
25 if (chip_id == ARCH_ID_SAMA5D2) {
26 switch (extension_id) {
27 case ARCH_EXID_SAMA5D21CU:
29 case ARCH_EXID_SAMA5D22CU:
31 case ARCH_EXID_SAMA5D22CN:
33 case ARCH_EXID_SAMA5D23CU:
35 case ARCH_EXID_SAMA5D24CX:
37 case ARCH_EXID_SAMA5D24CU:
39 case ARCH_EXID_SAMA5D26CU:
41 case ARCH_EXID_SAMA5D27CU:
43 case ARCH_EXID_SAMA5D27CN:
45 case ARCH_EXID_SAMA5D28CU:
47 case ARCH_EXID_SAMA5D28CN:
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_SAMA5D28C_D1G:
61 return "SAMA5D28 1G bits DDR2 SDRAM";
65 return "Unknown CPU type";
68 #ifdef CONFIG_USB_GADGET_ATMEL_USBA
69 void at91_udp_hw_init(void)
71 at91_upll_clk_enable();
73 at91_periph_clk_enable(ATMEL_ID_UDPHS);