1 /* 2 * Copyright (C) 2015 Atmel Corporation 3 * Wenyou Yang <wenyou.yang@atmel.com> 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #include <common.h> 9 #include <asm/hardware.h> 10 #include <asm/io.h> 11 #include <asm/arch/sama5_matrix.h> 12 13 void matrix_init(void) 14 { 15 struct atmel_matrix *h64mx = (struct atmel_matrix *)ATMEL_BASE_MATRIX0; 16 struct atmel_matrix *h32mx = (struct atmel_matrix *)ATMEL_BASE_MATRIX1; 17 int i; 18 19 /* DDR port 1 ~ port 7 */ 20 for (i = H64MX_SLAVE_DDRC_PORT1; i <= H64MX_SLAVE_DDRC_PORT7; i++) { 21 writel(0x000f0f0f, &h64mx->ssr[i]); 22 writel(0x0000ffff, &h64mx->sassr[i]); 23 writel(0x0000000f, &h64mx->srtsr[i]); 24 } 25 26 /* EBI CS3 (NANDFlash 128M) and NFC Command Registers(128M) */ 27 writel(0x00c0c0c0, &h32mx->ssr[H32MX_SLAVE_EBI]); 28 writel(0xff000000, &h32mx->sassr[H32MX_SLAVE_EBI]); 29 writel(0xff000000, &h32mx->srtsr[H32MX_SLAVE_EBI]); 30 31 /* NFC SRAM */ 32 writel(0x00010101, &h32mx->ssr[H32MX_SLAVE_NFC_SRAM]); 33 writel(0x00000001, &h32mx->sassr[H32MX_SLAVE_NFC_SRAM]); 34 writel(0x00000001, &h32mx->srtsr[H32MX_SLAVE_NFC_SRAM]); 35 } 36