2 * (C) Copyright 2000-2003
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
6 * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
8 * See file CREDITS for list of people who contributed to this
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.
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.
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,
29 #include <asm/immap.h>
31 DECLARE_GLOBAL_DATA_PTR;
36 puts("Freescale M54455 EVB\n");
40 phys_size_t initdram(int board_type)
45 * Serial Boot: The dram is already initialized in start.S
46 * only require to return DRAM size
48 dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000 >> 1;
50 volatile sdramc_t *sdram = (volatile sdramc_t *)(MMAP_SDRAM);
51 volatile gpio_t *gpio = (volatile gpio_t *)(MMAP_GPIO);
54 dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000 >> 1;
56 for (i = 0x13; i < 0x20; i++) {
57 if (dramsize == (1 << i))
62 gpio->mscr_sdram = CONFIG_SYS_SDRAM_DRV_STRENGTH;
64 sdram->sdcs0 = (CONFIG_SYS_SDRAM_BASE | i);
65 sdram->sdcs1 = (CONFIG_SYS_SDRAM_BASE1 | i);
67 sdram->sdcfg1 = CONFIG_SYS_SDRAM_CFG1;
68 sdram->sdcfg2 = CONFIG_SYS_SDRAM_CFG2;
71 sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 2;
74 sdram->sdmr = CONFIG_SYS_SDRAM_EMOD | 0x408;
75 sdram->sdmr = CONFIG_SYS_SDRAM_MODE | 0x300;
80 sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 2;
82 /* Perform two refresh cycles */
83 sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 4;
84 sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 4;
86 sdram->sdmr = CONFIG_SYS_SDRAM_MODE | 0x200;
88 sdram->sdcr = (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000c00;
92 return (dramsize << 1);
97 /* TODO: XXX XXX XXX */
98 printf("DRAM test not implemented!\n");
103 #if defined(CONFIG_CMD_IDE)
106 int ide_preinit(void)
108 volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
110 gpio->par_fec |= (gpio->par_fec & GPIO_PAR_FEC_FEC1_UNMASK) | 0x10;
112 (gpio->par_feci2c & 0xF0FF) | (GPIO_PAR_FECI2C_MDC1_ATA_DIOR |
113 GPIO_PAR_FECI2C_MDIO1_ATA_DIOW);
115 (GPIO_PAR_ATA_BUFEN | GPIO_PAR_ATA_CS1 | GPIO_PAR_ATA_CS0 |
116 GPIO_PAR_ATA_DA2 | GPIO_PAR_ATA_DA1 | GPIO_PAR_ATA_DA0
117 | GPIO_PAR_ATA_RESET_RESET | GPIO_PAR_ATA_DMARQ_DMARQ |
118 GPIO_PAR_ATA_IORDY_IORDY);
120 (GPIO_PAR_PCI_GNT3_ATA_DMACK | GPIO_PAR_PCI_REQ3_ATA_INTRQ);
125 void ide_set_reset(int idereset)
127 volatile atac_t *ata = (atac_t *) MMAP_ATA;
129 /* t1, t2, t3, t4, t5, t6, t9, tRD, tA */
131 {70, 165, 60, 30, 50, 5, 20, 0, 35}, /* PIO 0 */
132 {50, 125, 45, 20, 35, 5, 15, 0, 35}, /* PIO 1 */
133 {30, 100, 30, 15, 20, 5, 10, 0, 35}, /* PIO 2 */
134 {30, 80, 30, 10, 20, 5, 10, 0, 35}, /* PIO 3 */
135 {25, 70, 20, 10, 20, 5, 10, 0, 35}
139 ata->cr = 0; /* control reset */
142 #define CALC_TIMING(t) (t + period - 1) / period
143 period = 1000000000 / gd->bus_clk; /* period in ns */
145 /*ata->ton = CALC_TIMING (180); */
146 ata->t1 = CALC_TIMING(piotms[2][0]);
147 ata->t2w = CALC_TIMING(piotms[2][1]);
148 ata->t2r = CALC_TIMING(piotms[2][1]);
149 ata->ta = CALC_TIMING(piotms[2][8]);
150 ata->trd = CALC_TIMING(piotms[2][7]);
151 ata->t4 = CALC_TIMING(piotms[2][3]);
152 ata->t9 = CALC_TIMING(piotms[2][6]);
154 ata->cr = 0x40; /* IORDY enable */
156 ata->cr |= 0x01; /* IORDY enable */
161 #if defined(CONFIG_PCI)
163 * Initialize PCI devices, report devices found.
165 static struct pci_controller hose;
166 extern void pci_mcf5445x_init(struct pci_controller *hose);
168 void pci_init_board(void)
170 pci_mcf5445x_init(&hose);
172 #endif /* CONFIG_PCI */
174 #if defined(CONFIG_FLASH_CFI_LEGACY)
176 ulong board_flash_get_legacy (ulong base, int banknum, flash_info_t * info)
178 int sect[] = CONFIG_SYS_ATMEL_SECT;
179 int sectsz[] = CONFIG_SYS_ATMEL_SECTSZ;
182 if (base != CONFIG_SYS_ATMEL_BASE)
185 info->flash_id = 0x01000000;
188 info->buffer_size = 1;
189 info->erase_blk_tout = 16384;
190 info->write_tout = 2;
191 info->buffer_write_tout = 5;
192 info->vendor = 0xFFF0; /* CFI_CMDSET_AMD_LEGACY */
193 info->cmd_reset = 0x00F0;
194 info->interface = FLASH_CFI_X8;
195 info->legacy_unlock = 0;
196 info->manufacturer_id = (u16) ATM_MANUFACT;
197 info->device_id = ATM_ID_LV040;
198 info->device_id2 = 0;
201 info->cfi_version = 0x3133;
202 info->cfi_offset = 0x0000;
203 info->addr_unlock1 = 0x00000555;
204 info->addr_unlock2 = 0x000002AA;
205 info->name = "CFI conformant";
208 info->sector_count = CONFIG_SYS_ATMEL_TOTALSECT;
209 info->start[0] = base;
210 for (k = 0, i = 0; i < CONFIG_SYS_ATMEL_REGION; i++) {
211 info->size += sect[i] * sectsz[i];
213 for (j = 0; j < sect[i]; j++, k++) {
214 info->start[k + 1] = info->start[k] + sectsz[i];
215 info->protect[k] = 0;
221 #endif /* CONFIG_SYS_FLASH_CFI */