u-boot-brain/arch/arm/mach-at91/armv7/sama5d2_devices.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2015 Atmel Corporation
 *		      Wenyou Yang <wenyou.yang@atmel.com>
 */

#include <common.h>
#include <asm/io.h>
#include <asm/arch/clk.h>
#include <asm/arch/sama5d2.h>

int _cpu_is_sama5d2(void)
{
	unsigned int chip_id = get_chip_id();

	return ((chip_id == ARCH_ID_SAMA5D2) ||
		(chip_id == ARCH_ID_SAMA5D2_SIP)) ? 1 : 0;
}

char *get_cpu_name(void)
{
	unsigned int chip_id = get_chip_id();
	unsigned int extension_id = get_extension_chip_id();

	if (chip_id == ARCH_ID_SAMA5D2) {
		switch (extension_id) {
		case ARCH_EXID_SAMA5D21CU:
			return "SAMA5D21";
		case ARCH_EXID_SAMA5D22CU:
			return "SAMA5D22-CU";
		case ARCH_EXID_SAMA5D22CN:
			return "SAMA5D22-CN";
		case ARCH_EXID_SAMA5D23CU:
			return "SAMA5D23-CU";
		case ARCH_EXID_SAMA5D24CX:
			return "SAMA5D24-CX";
		case ARCH_EXID_SAMA5D24CU:
			return "SAMA5D24-CU";
		case ARCH_EXID_SAMA5D26CU:
			return "SAMA5D26-CU";
		case ARCH_EXID_SAMA5D27CU:
			return "SAMA5D27-CU";
		case ARCH_EXID_SAMA5D27CN:
			return "SAMA5D27-CN";
		case ARCH_EXID_SAMA5D28CU:
			return "SAMA5D28-CU";
		case ARCH_EXID_SAMA5D28CN:
			return "SAMA5D28-CN";
		}
	}

	if ((chip_id == ARCH_ID_SAMA5D2) || (chip_id == ARCH_ID_SAMA5D2_SIP)) {
		switch (extension_id) {
		case ARCH_EXID_SAMA5D225C_D1M:
			return "SAMA5D225 128M bits DDR2 SDRAM";
		case ARCH_EXID_SAMA5D27C_D5M:
			return "SAMA5D27 512M bits DDR2 SDRAM";
		case ARCH_EXID_SAMA5D27C_D1G:
			return "SAMA5D27 1G bits DDR2 SDRAM";
		case ARCH_EXID_SAMA5D27C_LD1G:
			return "SAMA5D27 1G bits LPDDR2 SDRAM";
		case ARCH_EXID_SAMA5D27C_LD2G:
			return "SAMA5D27 2G bits LPDDR2 SDRAM";
		case ARCH_EXID_SAMA5D28C_D1G:
			return "SAMA5D28 1G bits DDR2 SDRAM";
		case ARCH_EXID_SAMA5D28C_LD1G:
			return "SAMA5D28 1G bits LPDDR2 SDRAM";
		case ARCH_EXID_SAMA5D28C_LD2G:
			return "SAMA5D28 2G bits LPDDR2 SDRAM";
		}
	}

	return "Unknown CPU type";
}

#ifdef CONFIG_USB_GADGET_ATMEL_USBA
void at91_udp_hw_init(void)
{
	at91_upll_clk_enable();

	at91_periph_clk_enable(ATMEL_ID_UDPHS);
}
#endif