xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-at91/matrix.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2015 Atmel Corporation
3*4882a593Smuzhiyun  *		      Wenyou Yang <wenyou.yang@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/sama5_matrix.h>
11*4882a593Smuzhiyun 
matrix_init(void)12*4882a593Smuzhiyun void matrix_init(void)
13*4882a593Smuzhiyun {
14*4882a593Smuzhiyun 	struct atmel_matrix *h64mx = (struct atmel_matrix *)ATMEL_BASE_MATRIX0;
15*4882a593Smuzhiyun 	struct atmel_matrix *h32mx = (struct atmel_matrix *)ATMEL_BASE_MATRIX1;
16*4882a593Smuzhiyun 	int i;
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun 	/* DDR port 1 ~ port 7 */
19*4882a593Smuzhiyun 	for (i = H64MX_SLAVE_DDRC_PORT1; i <= H64MX_SLAVE_DDRC_PORT7; i++) {
20*4882a593Smuzhiyun 		writel(0x000f0f0f, &h64mx->ssr[i]);
21*4882a593Smuzhiyun 		writel(0x0000ffff, &h64mx->sassr[i]);
22*4882a593Smuzhiyun 		writel(0x0000000f, &h64mx->srtsr[i]);
23*4882a593Smuzhiyun 	}
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun 	/* EBI CS3 (NANDFlash 128M) and NFC Command Registers(128M) */
26*4882a593Smuzhiyun 	writel(0x00c0c0c0, &h32mx->ssr[H32MX_SLAVE_EBI]);
27*4882a593Smuzhiyun 	writel(0xff000000, &h32mx->sassr[H32MX_SLAVE_EBI]);
28*4882a593Smuzhiyun 	writel(0xff000000, &h32mx->srtsr[H32MX_SLAVE_EBI]);
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun 	/* NFC SRAM */
31*4882a593Smuzhiyun 	writel(0x00010101, &h32mx->ssr[H32MX_SLAVE_NFC_SRAM]);
32*4882a593Smuzhiyun 	writel(0x00000001, &h32mx->sassr[H32MX_SLAVE_NFC_SRAM]);
33*4882a593Smuzhiyun 	writel(0x00000001, &h32mx->srtsr[H32MX_SLAVE_NFC_SRAM]);
34*4882a593Smuzhiyun }
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