1 /* 2 * (C) Copyright 2000-2003 3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4 * 5 * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. 6 * TsiChung Liew (Tsi-Chung.Liew@freescale.com) 7 * 8 * See file CREDITS for list of people who contributed to this 9 * project. 10 * 11 * This program is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU General Public License as 13 * published by the Free Software Foundation; either version 2 of 14 * the License, or (at your option) any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 24 * MA 02111-1307 USA 25 */ 26 27 #include <config.h> 28 #include <common.h> 29 #include <pci.h> 30 #include <asm/immap.h> 31 32 DECLARE_GLOBAL_DATA_PTR; 33 34 int checkboard(void) 35 { 36 puts("Board: "); 37 puts("Freescale FireEngine 5485 EVB\n"); 38 return 0; 39 }; 40 41 phys_size_t initdram(int board_type) 42 { 43 volatile siu_t *siu = (siu_t *) (MMAP_SIU); 44 volatile sdram_t *sdram = (volatile sdram_t *)(MMAP_SDRAM); 45 u32 dramsize, i; 46 47 siu->drv = CFG_SDRAM_DRVSTRENGTH; 48 49 dramsize = CFG_DRAMSZ * 0x100000; 50 for (i = 0x13; i < 0x20; i++) { 51 if (dramsize == (1 << i)) 52 break; 53 } 54 i--; 55 siu->cs0cfg = (CFG_SDRAM_BASE | i); 56 57 #ifdef CFG_DRAMSZ1 58 temp = CFG_DRAMSZ1 * 0x100000; 59 for (i = 0x13; i < 0x20; i++) { 60 if (temp == (1 << i)) 61 break; 62 } 63 i--; 64 dramsize += temp; 65 siu->cs1cfg = ((CFG_SDRAM_BASE + temp) | i); 66 #endif 67 68 sdram->cfg1 = CFG_SDRAM_CFG1; 69 sdram->cfg2 = CFG_SDRAM_CFG2; 70 71 /* Issue PALL */ 72 sdram->ctrl = CFG_SDRAM_CTRL | 2; 73 74 /* Issue LEMR */ 75 sdram->mode = CFG_SDRAM_EMOD; 76 sdram->mode = (CFG_SDRAM_MODE | 0x04000000); 77 78 udelay(500); 79 80 /* Issue PALL */ 81 sdram->ctrl = (CFG_SDRAM_CTRL | 2); 82 83 /* Perform two refresh cycles */ 84 sdram->ctrl = CFG_SDRAM_CTRL | 4; 85 sdram->ctrl = CFG_SDRAM_CTRL | 4; 86 87 sdram->mode = CFG_SDRAM_MODE; 88 89 sdram->ctrl = (CFG_SDRAM_CTRL & ~0x80000000) | 0x10000F00; 90 91 udelay(100); 92 93 return dramsize; 94 }; 95 96 int testdram(void) 97 { 98 /* TODO: XXX XXX XXX */ 99 printf("DRAM test not implemented!\n"); 100 101 return (0); 102 } 103 104 #if defined(CONFIG_PCI) 105 /* 106 * Initialize PCI devices, report devices found. 107 */ 108 static struct pci_controller hose; 109 extern void pci_mcf547x_8x_init(struct pci_controller *hose); 110 111 void pci_init_board(void) 112 { 113 pci_mcf547x_8x_init(&hose); 114 } 115 #endif /* CONFIG_PCI */ 116