2 * Copyright (C) 2007 Freescale Semiconductor, Inc.
4 * Author: Scott Wood <scottwood@freescale.com>
5 * Dave Liu <daveliu@freescale.com>
7 * See file CREDITS for list of people who contributed to this
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS for A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
29 #include <fdt_support.h>
34 DECLARE_GLOBAL_DATA_PTR;
36 int board_early_init_f(void)
38 volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
40 if (im->pmc.pmccr1 & PMCCR1_POWER_OFF)
41 gd->flags |= GD_FLG_SILENT;
46 static u8 read_board_info(void)
51 if (i2c_read(CONFIG_SYS_I2C_PCF8574A_ADDR, 0, 0, &val8, 1) == 0)
59 static const char * const rev_str[] = {
69 info = read_board_info();
70 i = (!info) ? 4: info & 0x03;
72 printf("Board: Freescale MPC8315ERDB Rev %s\n", rev_str[i]);
77 static struct pci_region pci_regions[] = {
79 bus_start: CONFIG_SYS_PCI_MEM_BASE,
80 phys_start: CONFIG_SYS_PCI_MEM_PHYS,
81 size: CONFIG_SYS_PCI_MEM_SIZE,
82 flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
85 bus_start: CONFIG_SYS_PCI_MMIO_BASE,
86 phys_start: CONFIG_SYS_PCI_MMIO_PHYS,
87 size: CONFIG_SYS_PCI_MMIO_SIZE,
91 bus_start: CONFIG_SYS_PCI_IO_BASE,
92 phys_start: CONFIG_SYS_PCI_IO_PHYS,
93 size: CONFIG_SYS_PCI_IO_SIZE,
98 void pci_init_board(void)
100 volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR;
101 volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
102 volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
103 struct pci_region *reg[] = { pci_regions };
106 /* Enable all 3 PCI_CLK_OUTPUTs. */
107 clk->occr |= 0xe0000000;
110 * Configure PCI Local Access Windows
112 pci_law[0].bar = CONFIG_SYS_PCI_MEM_PHYS & LAWBAR_BAR;
113 pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
115 pci_law[1].bar = CONFIG_SYS_PCI_IO_PHYS & LAWBAR_BAR;
116 pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
118 warmboot = gd->bd->bi_bootflags & BOOTFLAG_WARM;
119 warmboot |= immr->pmc.pmccr1 & PMCCR1_POWER_OFF;
121 mpc83xx_pci_init(1, reg, warmboot);
124 #if defined(CONFIG_OF_BOARD_SETUP)
125 void fdt_tsec1_fixup(void *fdt, bd_t *bd)
127 char *mpc8315erdb = getenv("mpc8315erdb");
128 const char disabled[] = "disabled";
135 if (!strcmp(mpc8315erdb, "tsec1")) {
137 } else if (strcmp(mpc8315erdb, "ulpi")) {
138 printf("WARNING: wrong `mpc8315erdb' environment "
139 "variable specified: `%s'. Should be `ulpi' "
140 "or `tsec1'.\n", mpc8315erdb);
144 ret = fdt_path_offset(fdt, "/aliases");
146 printf("WARNING: can't find /aliases node\n");
150 path = fdt_getprop(fdt, ret, "ethernet0", NULL);
152 printf("WARNING: can't find ethernet0 alias\n");
156 do_fixup_by_path(fdt, path, "status", disabled, sizeof(disabled), 1);
159 void ft_board_setup(void *blob, bd_t *bd)
161 ft_cpu_setup(blob, bd);
163 ft_pci_setup(blob, bd);
165 fdt_fixup_dr_usb(blob, bd);
166 fdt_tsec1_fixup(blob, bd);
170 int board_eth_init(bd_t *bis)
172 cpu_eth_init(bis); /* Initialize TSECs first */
173 return pci_eth_init(bis);