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TsiChungLiew1aee1112008-01-15 14:02:49 -06001/*
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
32DECLARE_GLOBAL_DATA_PTR;
33
34int checkboard(void)
35{
36 puts("Board: ");
37 puts("Freescale FireEngine 5485 EVB\n");
38 return 0;
39};
40
Becky Bruce9973e3c2008-06-09 16:03:40 -050041phys_size_t initdram(int board_type)
TsiChungLiew1aee1112008-01-15 14:02:49 -060042{
43 volatile siu_t *siu = (siu_t *) (MMAP_SIU);
44 volatile sdram_t *sdram = (volatile sdram_t *)(MMAP_SDRAM);
45 u32 dramsize, i;
46
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020047 siu->drv = CONFIG_SYS_SDRAM_DRVSTRENGTH;
TsiChungLiew1aee1112008-01-15 14:02:49 -060048
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020049 dramsize = CONFIG_SYS_DRAMSZ * 0x100000;
TsiChungLiew1aee1112008-01-15 14:02:49 -060050 for (i = 0x13; i < 0x20; i++) {
51 if (dramsize == (1 << i))
52 break;
53 }
54 i--;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020055 siu->cs0cfg = (CONFIG_SYS_SDRAM_BASE | i);
TsiChungLiew1aee1112008-01-15 14:02:49 -060056
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020057#ifdef CONFIG_SYS_DRAMSZ1
58 temp = CONFIG_SYS_DRAMSZ1 * 0x100000;
TsiChungLiew1aee1112008-01-15 14:02:49 -060059 for (i = 0x13; i < 0x20; i++) {
60 if (temp == (1 << i))
61 break;
62 }
63 i--;
64 dramsize += temp;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020065 siu->cs1cfg = ((CONFIG_SYS_SDRAM_BASE + temp) | i);
TsiChungLiew1aee1112008-01-15 14:02:49 -060066#endif
67
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020068 sdram->cfg1 = CONFIG_SYS_SDRAM_CFG1;
69 sdram->cfg2 = CONFIG_SYS_SDRAM_CFG2;
TsiChungLiew1aee1112008-01-15 14:02:49 -060070
71 /* Issue PALL */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020072 sdram->ctrl = CONFIG_SYS_SDRAM_CTRL | 2;
TsiChungLiew1aee1112008-01-15 14:02:49 -060073
74 /* Issue LEMR */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020075 sdram->mode = CONFIG_SYS_SDRAM_EMOD;
76 sdram->mode = (CONFIG_SYS_SDRAM_MODE | 0x04000000);
TsiChungLiew1aee1112008-01-15 14:02:49 -060077
78 udelay(500);
79
80 /* Issue PALL */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020081 sdram->ctrl = (CONFIG_SYS_SDRAM_CTRL | 2);
TsiChungLiew1aee1112008-01-15 14:02:49 -060082
83 /* Perform two refresh cycles */
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020084 sdram->ctrl = CONFIG_SYS_SDRAM_CTRL | 4;
85 sdram->ctrl = CONFIG_SYS_SDRAM_CTRL | 4;
TsiChungLiew1aee1112008-01-15 14:02:49 -060086
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020087 sdram->mode = CONFIG_SYS_SDRAM_MODE;
TsiChungLiew1aee1112008-01-15 14:02:49 -060088
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020089 sdram->ctrl = (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000F00;
TsiChungLiew1aee1112008-01-15 14:02:49 -060090
91 udelay(100);
92
93 return dramsize;
94};
95
96int 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 */
108static struct pci_controller hose;
109extern void pci_mcf547x_8x_init(struct pci_controller *hose);
110
111void pci_init_board(void)
112{
113 pci_mcf547x_8x_init(&hose);
114}
115#endif /* CONFIG_PCI */