2 * Copyright (C) 2015 Atmel Corporation
3 * Wenyou Yang <wenyou.yang@atmel.com>
5 * SPDX-License-Identifier: GPL-2.0+
10 #include <asm/arch/clk.h>
11 #include <asm/arch/sama5d2.h>
13 int cpu_is_sama5d2(void)
15 unsigned int chip_id = get_chip_id();
17 return ((chip_id == ARCH_ID_SAMA5D2) ||
18 (chip_id == ARCH_ID_SAMA5D2_SIP)) ? 1 : 0;
21 char *get_cpu_name(void)
23 unsigned int chip_id = get_chip_id();
24 unsigned int extension_id = get_extension_chip_id();
26 if (chip_id == ARCH_ID_SAMA5D2) {
27 switch (extension_id) {
28 case ARCH_EXID_SAMA5D21CU:
30 case ARCH_EXID_SAMA5D22CU:
32 case ARCH_EXID_SAMA5D22CN:
34 case ARCH_EXID_SAMA5D23CU:
36 case ARCH_EXID_SAMA5D24CX:
38 case ARCH_EXID_SAMA5D24CU:
40 case ARCH_EXID_SAMA5D26CU:
42 case ARCH_EXID_SAMA5D27CU:
44 case ARCH_EXID_SAMA5D27CN:
46 case ARCH_EXID_SAMA5D28CU:
48 case ARCH_EXID_SAMA5D28CN:
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";
66 return "Unknown CPU type";
69 #ifdef CONFIG_USB_GADGET_ATMEL_USBA
70 void at91_udp_hw_init(void)
72 at91_upll_clk_enable();
74 at91_periph_clk_enable(ATMEL_ID_UDPHS);