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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * (C) Copyright 2000-2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * Copyright (C) 2004-2008, 2012 Freescale Semiconductor, Inc.
- * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
- */
- #include <config.h>
- #include <common.h>
- #include <init.h>
- #include <asm/immap.h>
- #include <asm/io.h>
- DECLARE_GLOBAL_DATA_PTR;
- int checkboard(void)
- {
- puts("Board: ");
- puts("Freescale M5208EVBe\n");
- return 0;
- };
- int dram_init(void)
- {
- sdram_t *sdram = (sdram_t *)(MMAP_SDRAM);
- u32 dramsize, i;
- dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000;
- for (i = 0x13; i < 0x20; i++) {
- if (dramsize == (1 << i))
- break;
- }
- i--;
- out_be32(&sdram->cs0, CONFIG_SYS_SDRAM_BASE | i);
- #ifdef CONFIG_SYS_SDRAM_BASE1
- out_be32(&sdram->cs1, CONFIG_SYS_SDRAM_BASE | i);
- #endif
- out_be32(&sdram->cfg1, CONFIG_SYS_SDRAM_CFG1);
- out_be32(&sdram->cfg2, CONFIG_SYS_SDRAM_CFG2);
- udelay(500);
- /* Issue PALL */
- out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 2);
- asm("nop");
- /* Perform two refresh cycles */
- out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 4);
- out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 4);
- asm("nop");
- /* Issue LEMR */
- out_be32(&sdram->mode, CONFIG_SYS_SDRAM_MODE);
- asm("nop");
- out_be32(&sdram->mode, CONFIG_SYS_SDRAM_EMOD);
- asm("nop");
- out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 2);
- asm("nop");
- out_be32(&sdram->ctrl,
- (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000F00);
- asm("nop");
- udelay(100);
- gd->ram_size = dramsize;
- return 0;
- };
- int testdram(void)
- {
- /* TODO: XXX XXX XXX */
- printf("DRAM test not implemented!\n");
- return (0);
- }
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