arch/arm/cpu/armv7/omap-common/mem-common.c

   1 /*
   2  * (C) Copyright 2010
   3  * Texas Instruments, <www.ti.com>
   4  *
   5  * Steve Sakoman <steve@sakoman.com>
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 #include <asm/arch/cpu.h>
  11 #include <asm/arch/sys_proto.h>
  12
  13 struct gpmc *gpmc_cfg;
  14
  15 /*****************************************************
  16  * gpmc_init(): init gpmc bus
  17  * This code can only be executed from SRAM or SDRAM.
  18  *****************************************************/
  19 void gpmc_init(void)
  20 {
  21         gpmc_cfg = (struct gpmc *)GPMC_BASE;
  22
  23         /* global settings */
  24         writel(0, &gpmc_cfg->irqenable); /* isr's sources masked */
  25         writel(0, &gpmc_cfg->timeout_control);/* timeout disable */
  26
  27         /*
  28          * Disable the GPMC0 config set by ROM code
  29          * It conflicts with our MPDB (both at 0x08000000)
  30          */
  31         writel(0, &gpmc_cfg->cs[0].config7);
  32 }