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		case ARCH_EXID_SAMA5D29CN:
50			return "SAMA5D29-CN";
51		}
52	}
53
54	if ((chip_id == ARCH_ID_SAMA5D2) || (chip_id == ARCH_ID_SAMA5D2_SIP)) {
55		switch (extension_id) {
56		case ARCH_EXID_SAMA5D225C_D1M:
57			return "SAMA5D225 128M bits DDR2 SDRAM";
58		case ARCH_EXID_SAMA5D27C_D5M:
59			return "SAMA5D27 512M bits DDR2 SDRAM";
60		case ARCH_EXID_SAMA5D27C_D1G:
61			return "SAMA5D27 1G bits DDR2 SDRAM";
62		case ARCH_EXID_SAMA5D27C_LD1G:
63			return "SAMA5D27 1G bits LPDDR2 SDRAM";
64		case ARCH_EXID_SAMA5D27C_LD2G:
65			return "SAMA5D27 2G bits LPDDR2 SDRAM";
66		case ARCH_EXID_SAMA5D28C_D1G:
67			return "SAMA5D28 1G bits DDR2 SDRAM";
68		case ARCH_EXID_SAMA5D28C_LD1G:
69			return "SAMA5D28 1G bits LPDDR2 SDRAM";
70		case ARCH_EXID_SAMA5D28C_LD2G:
71			return "SAMA5D28 2G bits LPDDR2 SDRAM";
72		}
73	}
74
75	return "Unknown CPU type";
76}
77
78#ifdef CONFIG_USB_GADGET_ATMEL_USBA
79void at91_udp_hw_init(void)
80{
81	at91_upll_clk_enable();
82
83	at91_periph_clk_enable(ATMEL_ID_UDPHS);
84}
85#endif
86