xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-at91/armv7/sama5d4_devices.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2014 Atmel
3*4882a593Smuzhiyun  *		      Bo Shen <voice.shen@atmel.com>
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #include <common.h>
9*4882a593Smuzhiyun #include <asm/io.h>
10*4882a593Smuzhiyun #include <asm/arch/at91_common.h>
11*4882a593Smuzhiyun #include <asm/arch/clk.h>
12*4882a593Smuzhiyun #include <asm/arch/sama5_sfr.h>
13*4882a593Smuzhiyun #include <asm/arch/sama5d4.h>
14*4882a593Smuzhiyun 
get_cpu_name()15*4882a593Smuzhiyun char *get_cpu_name()
16*4882a593Smuzhiyun {
17*4882a593Smuzhiyun 	unsigned int extension_id = get_extension_chip_id();
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun 	if (cpu_is_sama5d4())
20*4882a593Smuzhiyun 		switch (extension_id) {
21*4882a593Smuzhiyun 		case ARCH_EXID_SAMA5D41:
22*4882a593Smuzhiyun 			return "SAMA5D41";
23*4882a593Smuzhiyun 		case ARCH_EXID_SAMA5D42:
24*4882a593Smuzhiyun 			return "SAMA5D42";
25*4882a593Smuzhiyun 		case ARCH_EXID_SAMA5D43:
26*4882a593Smuzhiyun 			return "SAMA5D43";
27*4882a593Smuzhiyun 		case ARCH_EXID_SAMA5D44:
28*4882a593Smuzhiyun 			return "SAMA5D44";
29*4882a593Smuzhiyun 		default:
30*4882a593Smuzhiyun 			return "Unknown CPU type";
31*4882a593Smuzhiyun 		}
32*4882a593Smuzhiyun 	else
33*4882a593Smuzhiyun 		return "Unknown CPU type";
34*4882a593Smuzhiyun }
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun #ifdef CONFIG_USB_GADGET_ATMEL_USBA
at91_udp_hw_init(void)37*4882a593Smuzhiyun void at91_udp_hw_init(void)
38*4882a593Smuzhiyun {
39*4882a593Smuzhiyun 	/* Enable UPLL clock */
40*4882a593Smuzhiyun 	at91_upll_clk_enable();
41*4882a593Smuzhiyun 	/* Enable UDPHS clock */
42*4882a593Smuzhiyun 	at91_periph_clk_enable(ATMEL_ID_UDPHS);
43*4882a593Smuzhiyun }
44*4882a593Smuzhiyun #endif
45