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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 *
Alison Wanga4110ee2012-03-26 21:49:07 +00005 * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
TsiChungLiew1aee1112008-01-15 14:02:49 -06006 * 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>
Alison Wanga4110ee2012-03-26 21:49:07 +000031#include <asm/io.h>
TsiChungLiew1aee1112008-01-15 14:02:49 -060032
33DECLARE_GLOBAL_DATA_PTR;
34
35int checkboard(void)
36{
37 puts("Board: ");
38 puts("Freescale FireEngine 5485 EVB\n");
39 return 0;
40};
41
Becky Bruce9973e3c2008-06-09 16:03:40 -050042phys_size_t initdram(int board_type)
TsiChungLiew1aee1112008-01-15 14:02:49 -060043{
Alison Wanga4110ee2012-03-26 21:49:07 +000044 siu_t *siu = (siu_t *) (MMAP_SIU);
45 sdram_t *sdram = (sdram_t *)(MMAP_SDRAM);
TsiChungLiew1aee1112008-01-15 14:02:49 -060046 u32 dramsize, i;
stany MARCEL606667d2011-10-14 04:38:06 +000047#ifdef CONFIG_SYS_DRAMSZ1
48 u32 temp;
49#endif
TsiChungLiew1aee1112008-01-15 14:02:49 -060050
Alison Wanga4110ee2012-03-26 21:49:07 +000051 out_be32(&siu->drv, CONFIG_SYS_SDRAM_DRVSTRENGTH);
TsiChungLiew1aee1112008-01-15 14:02:49 -060052
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020053 dramsize = CONFIG_SYS_DRAMSZ * 0x100000;
TsiChungLiew1aee1112008-01-15 14:02:49 -060054 for (i = 0x13; i < 0x20; i++) {
55 if (dramsize == (1 << i))
56 break;
57 }
58 i--;
Alison Wanga4110ee2012-03-26 21:49:07 +000059 out_be32(&siu->cs0cfg, CONFIG_SYS_SDRAM_BASE | i);
TsiChungLiew1aee1112008-01-15 14:02:49 -060060
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +020061#ifdef CONFIG_SYS_DRAMSZ1
62 temp = CONFIG_SYS_DRAMSZ1 * 0x100000;
TsiChungLiew1aee1112008-01-15 14:02:49 -060063 for (i = 0x13; i < 0x20; i++) {
64 if (temp == (1 << i))
65 break;
66 }
67 i--;
68 dramsize += temp;
Alison Wanga4110ee2012-03-26 21:49:07 +000069 out_be32(&siu->cs1cfg, (CONFIG_SYS_SDRAM_BASE + temp) | i);
TsiChungLiew1aee1112008-01-15 14:02:49 -060070#endif
71
Alison Wanga4110ee2012-03-26 21:49:07 +000072 out_be32(&sdram->cfg1, CONFIG_SYS_SDRAM_CFG1);
73 out_be32(&sdram->cfg2, CONFIG_SYS_SDRAM_CFG2);
TsiChungLiew1aee1112008-01-15 14:02:49 -060074
75 /* Issue PALL */
Alison Wanga4110ee2012-03-26 21:49:07 +000076 out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 2);
TsiChungLiew1aee1112008-01-15 14:02:49 -060077
78 /* Issue LEMR */
Alison Wanga4110ee2012-03-26 21:49:07 +000079 out_be32(&sdram->mode, CONFIG_SYS_SDRAM_EMOD);
80 out_be32(&sdram->mode, CONFIG_SYS_SDRAM_MODE | 0x04000000);
TsiChungLiew1aee1112008-01-15 14:02:49 -060081
82 udelay(500);
83
84 /* Issue PALL */
Alison Wanga4110ee2012-03-26 21:49:07 +000085 out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 2);
TsiChungLiew1aee1112008-01-15 14:02:49 -060086
87 /* Perform two refresh cycles */
Alison Wanga4110ee2012-03-26 21:49:07 +000088 out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 4);
89 out_be32(&sdram->ctrl, CONFIG_SYS_SDRAM_CTRL | 4);
TsiChungLiew1aee1112008-01-15 14:02:49 -060090
Alison Wanga4110ee2012-03-26 21:49:07 +000091 out_be32(&sdram->mode, CONFIG_SYS_SDRAM_MODE);
TsiChungLiew1aee1112008-01-15 14:02:49 -060092
Alison Wanga4110ee2012-03-26 21:49:07 +000093 out_be32(&sdram->ctrl,
94 (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000F00);
TsiChungLiew1aee1112008-01-15 14:02:49 -060095
96 udelay(100);
97
98 return dramsize;
99};
100
101int testdram(void)
102{
103 /* TODO: XXX XXX XXX */
104 printf("DRAM test not implemented!\n");
105
106 return (0);
107}
108
109#if defined(CONFIG_PCI)
110/*
111 * Initialize PCI devices, report devices found.
112 */
113static struct pci_controller hose;
114extern void pci_mcf547x_8x_init(struct pci_controller *hose);
115
116void pci_init_board(void)
117{
118 pci_mcf547x_8x_init(&hose);
119}
120#endif /* CONFIG_PCI */