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/hardware.h> 9 #include <asm/io.h> 10 #include <asm/arch/sama5_matrix.h> 11 12 void matrix_init(void) 13 { 14 struct atmel_matrix *h64mx = (struct atmel_matrix *)ATMEL_BASE_MATRIX0; 15 struct atmel_matrix *h32mx = (struct atmel_matrix *)ATMEL_BASE_MATRIX1; 16 int i; 17 18 /* DDR port 1 ~ port 7 */ 19 for (i = H64MX_SLAVE_DDRC_PORT1; i <= H64MX_SLAVE_DDRC_PORT7; i++) { 20 writel(0x000f0f0f, &h64mx->ssr[i]); 21 writel(0x0000ffff, &h64mx->sassr[i]); 22 writel(0x0000000f, &h64mx->srtsr[i]); 23 } 24 25 /* EBI CS3 (NANDFlash 128M) and NFC Command Registers(128M) */ 26 writel(0x00c0c0c0, &h32mx->ssr[H32MX_SLAVE_EBI]); 27 writel(0xff000000, &h32mx->sassr[H32MX_SLAVE_EBI]); 28 writel(0xff000000, &h32mx->srtsr[H32MX_SLAVE_EBI]); 29 30 /* NFC SRAM */ 31 writel(0x00010101, &h32mx->ssr[H32MX_SLAVE_NFC_SRAM]); 32 writel(0x00000001, &h32mx->sassr[H32MX_SLAVE_NFC_SRAM]); 33 writel(0x00000001, &h32mx->srtsr[H32MX_SLAVE_NFC_SRAM]); 34 } 35