git.sur5r.net Git - u-boot/blob - 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         /* Disable the write protect */
  19         writel(ATMEL_MATRIX_WPMR_WPKEY & ~ATMEL_MATRIX_WPMR_WPEN, &h64mx->wpmr);
  20         writel(ATMEL_MATRIX_WPMR_WPKEY & ~ATMEL_MATRIX_WPMR_WPEN, &h32mx->wpmr);
  21
  22         /* DDR port 1 ~ poart 7, slave number is: 4 ~ 10 */
  23         for (i = 4; i <= 10; i++) {
  24                 writel(0x000f0f0f, &h64mx->ssr[i]);
  25                 writel(0x0000ffff, &h64mx->sassr[i]);
  26                 writel(0x0000000f, &h64mx->srtsr[i]);
  27         }
  28
  29         /* CS3 */
  30         writel(0x00c0c0c0, &h32mx->ssr[3]);
  31         writel(0xff000000, &h32mx->sassr[3]);
  32         writel(0xff000000, &h32mx->srtsr[3]);
  33
  34         /* NFC SRAM */
  35         writel(0x00010101, &h32mx->ssr[4]);
  36         writel(0x00000001, &h32mx->sassr[4]);
  37         writel(0x00000001, &h32mx->srtsr[4]);
  38
  39         /* Configure Programmable Security peripherals on matrix 64 */
  40         writel(readl(&h64mx->spselr[0]) | 0x00080000, &h64mx->spselr[0]);
  41         writel(readl(&h64mx->spselr[1]) | 0x00180000, &h64mx->spselr[1]);
  42         writel(readl(&h64mx->spselr[2]) | 0x00000008, &h64mx->spselr[2]);
  43
  44         /* Configure Programmable Security peripherals on matrix 32 */
  45         writel(readl(&h32mx->spselr[0]) | 0xFFC00000, &h32mx->spselr[0]);
  46         writel(readl(&h32mx->spselr[1]) | 0x60E3FFFF, &h32mx->spselr[1]);
  47
  48         /* Enable the write protect */
  49         writel(ATMEL_MATRIX_WPMR_WPKEY | ATMEL_MATRIX_WPMR_WPEN, &h64mx->wpmr);
  50         writel(ATMEL_MATRIX_WPMR_WPKEY | ATMEL_MATRIX_WPMR_WPEN, &h32mx->wpmr);
  51 }