arch/arm/mach-at91/matrix.c

   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/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 ~ poart 7, slave number is: 4 ~ 10 */
  19         for (i = 4; i <= 10; i++) {
  20                 writel(0x000f0f0f, &h64mx->ssr[i]);
  21                 writel(0x0000ffff, &h64mx->sassr[i]);
  22                 writel(0x0000000f, &h64mx->srtsr[i]);
  23         }
  24
  25         /* CS3 */
  26         writel(0x00c0c0c0, &h32mx->ssr[3]);
  27         writel(0xff000000, &h32mx->sassr[3]);
  28         writel(0xff000000, &h32mx->srtsr[3]);
  29
  30         /* NFC SRAM */
  31         writel(0x00010101, &h32mx->ssr[4]);
  32         writel(0x00000001, &h32mx->sassr[4]);
  33         writel(0x00000001, &h32mx->srtsr[4]);
  34
  35         /* Configure Programmable Security peripherals on matrix 64 */
  36         writel(readl(&h64mx->spselr[0]) | 0x00080000, &h64mx->spselr[0]);
  37         writel(readl(&h64mx->spselr[1]) | 0x00180000, &h64mx->spselr[1]);
  38         writel(readl(&h64mx->spselr[2]) | 0x00000008, &h64mx->spselr[2]);
  39
  40         /* Configure Programmable Security peripherals on matrix 32 */
  41         writel(readl(&h32mx->spselr[0]) | 0xFFC00000, &h32mx->spselr[0]);
  42         writel(readl(&h32mx->spselr[1]) | 0x60E3FFFF, &h32mx->spselr[1]);
  43 }