/* * (C) Copyright 2000-2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. * TsiChung Liew (Tsi-Chung.Liew@freescale.com) * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include #include #include #include DECLARE_GLOBAL_DATA_PTR; int checkboard(void) { puts("Board: "); puts("Freescale FireEngine 5485 EVB\n"); return 0; }; long int initdram(int board_type) { volatile siu_t *siu = (siu_t *) (MMAP_SIU); volatile sdram_t *sdram = (volatile sdram_t *)(MMAP_SDRAM); u32 dramsize, i; siu->drv = CFG_SDRAM_DRVSTRENGTH; dramsize = CFG_DRAMSZ * 0x100000; for (i = 0x13; i < 0x20; i++) { if (dramsize == (1 << i)) break; } i--; siu->cs0cfg = (CFG_SDRAM_BASE | i); #ifdef CFG_DRAMSZ1 temp = CFG_DRAMSZ1 * 0x100000; for (i = 0x13; i < 0x20; i++) { if (temp == (1 << i)) break; } i--; dramsize += temp; siu->cs1cfg = ((CFG_SDRAM_BASE + temp) | i); #endif sdram->cfg1 = CFG_SDRAM_CFG1; sdram->cfg2 = CFG_SDRAM_CFG2; /* Issue PALL */ sdram->ctrl = CFG_SDRAM_CTRL | 2; /* Issue LEMR */ sdram->mode = CFG_SDRAM_EMOD; sdram->mode = (CFG_SDRAM_MODE | 0x04000000); udelay(500); /* Issue PALL */ sdram->ctrl = (CFG_SDRAM_CTRL | 2); /* Perform two refresh cycles */ sdram->ctrl = CFG_SDRAM_CTRL | 4; sdram->ctrl = CFG_SDRAM_CTRL | 4; sdram->mode = CFG_SDRAM_MODE; sdram->ctrl = (CFG_SDRAM_CTRL & ~0x80000000) | 0x10000F00; udelay(100); return dramsize; }; int testdram(void) { /* TODO: XXX XXX XXX */ printf("DRAM test not implemented!\n"); return (0); } #if defined(CONFIG_PCI) /* * Initialize PCI devices, report devices found. */ static struct pci_controller hose; extern void pci_mcf547x_8x_init(struct pci_controller *hose); void pci_init_board(void) { pci_mcf547x_8x_init(&hose); } #endif /* CONFIG_PCI */