2 * Copyright (C) 2007 Freescale Semiconductor, Inc.
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>
35 DECLARE_GLOBAL_DATA_PTR;
37 int board_early_init_f(void)
39 volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
41 if (im->pmc.pmccr1 & PMCCR1_POWER_OFF)
42 gd->flags |= GD_FLG_SILENT;
47 static u8 read_board_info(void)
52 if (i2c_read(CONFIG_SYS_I2C_PCF8574A_ADDR, 0, 0, &val8, 1) == 0)
60 static const char * const rev_str[] = {
70 info = read_board_info();
71 i = (!info) ? 4: info & 0x03;
73 printf("Board: Freescale MPC8315ERDB Rev %s\n", rev_str[i]);
78 static struct pci_region pci_regions[] = {
80 bus_start: CONFIG_SYS_PCI_MEM_BASE,
81 phys_start: CONFIG_SYS_PCI_MEM_PHYS,
82 size: CONFIG_SYS_PCI_MEM_SIZE,
83 flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
86 bus_start: CONFIG_SYS_PCI_MMIO_BASE,
87 phys_start: CONFIG_SYS_PCI_MMIO_PHYS,
88 size: CONFIG_SYS_PCI_MMIO_SIZE,
92 bus_start: CONFIG_SYS_PCI_IO_BASE,
93 phys_start: CONFIG_SYS_PCI_IO_PHYS,
94 size: CONFIG_SYS_PCI_IO_SIZE,
99 static struct pci_region pcie_regions_0[] = {
101 .bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
102 .phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
103 .size = CONFIG_SYS_PCIE1_MEM_SIZE,
104 .flags = PCI_REGION_MEM,
107 .bus_start = CONFIG_SYS_PCIE1_IO_BASE,
108 .phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
109 .size = CONFIG_SYS_PCIE1_IO_SIZE,
110 .flags = PCI_REGION_IO,
114 static struct pci_region pcie_regions_1[] = {
116 .bus_start = CONFIG_SYS_PCIE2_MEM_BASE,
117 .phys_start = CONFIG_SYS_PCIE2_MEM_PHYS,
118 .size = CONFIG_SYS_PCIE2_MEM_SIZE,
119 .flags = PCI_REGION_MEM,
122 .bus_start = CONFIG_SYS_PCIE2_IO_BASE,
123 .phys_start = CONFIG_SYS_PCIE2_IO_PHYS,
124 .size = CONFIG_SYS_PCIE2_IO_SIZE,
125 .flags = PCI_REGION_IO,
129 void pci_init_board(void)
131 volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR;
132 volatile sysconf83xx_t *sysconf = &immr->sysconf;
133 volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
134 volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
135 volatile law83xx_t *pcie_law = sysconf->pcielaw;
136 struct pci_region *reg[] = { pci_regions };
137 struct pci_region *pcie_reg[] = { pcie_regions_0, pcie_regions_1, };
140 /* Enable all 3 PCI_CLK_OUTPUTs. */
141 clk->occr |= 0xe0000000;
144 * Configure PCI Local Access Windows
146 pci_law[0].bar = CONFIG_SYS_PCI_MEM_PHYS & LAWBAR_BAR;
147 pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
149 pci_law[1].bar = CONFIG_SYS_PCI_IO_PHYS & LAWBAR_BAR;
150 pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
152 warmboot = gd->bd->bi_bootflags & BOOTFLAG_WARM;
153 warmboot |= immr->pmc.pmccr1 & PMCCR1_POWER_OFF;
155 mpc83xx_pci_init(1, reg, warmboot);
157 /* Configure the clock for PCIE controller */
158 clrsetbits_be32(&clk->sccr, SCCR_PCIEXP1CM | SCCR_PCIEXP2CM,
159 SCCR_PCIEXP1CM_1 | SCCR_PCIEXP2CM_1);
161 /* Deassert the resets in the control register */
162 out_be32(&sysconf->pecr1, 0xE0008000);
163 out_be32(&sysconf->pecr2, 0xE0008000);
166 /* Configure PCI Express Local Access Windows */
167 out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
168 out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);
170 out_be32(&pcie_law[1].bar, CONFIG_SYS_PCIE2_BASE & LAWBAR_BAR);
171 out_be32(&pcie_law[1].ar, LBLAWAR_EN | LBLAWAR_512MB);
173 mpc83xx_pcie_init(2, pcie_reg, warmboot);
176 #if defined(CONFIG_OF_BOARD_SETUP)
177 void fdt_tsec1_fixup(void *fdt, bd_t *bd)
179 char *mpc8315erdb = getenv("mpc8315erdb");
180 const char disabled[] = "disabled";
187 if (!strcmp(mpc8315erdb, "tsec1")) {
189 } else if (strcmp(mpc8315erdb, "ulpi")) {
190 printf("WARNING: wrong `mpc8315erdb' environment "
191 "variable specified: `%s'. Should be `ulpi' "
192 "or `tsec1'.\n", mpc8315erdb);
196 ret = fdt_path_offset(fdt, "/aliases");
198 printf("WARNING: can't find /aliases node\n");
202 path = fdt_getprop(fdt, ret, "ethernet0", NULL);
204 printf("WARNING: can't find ethernet0 alias\n");
208 do_fixup_by_path(fdt, path, "status", disabled, sizeof(disabled), 1);
211 void ft_board_setup(void *blob, bd_t *bd)
213 ft_cpu_setup(blob, bd);
215 ft_pci_setup(blob, bd);
217 fdt_fixup_dr_usb(blob, bd);
218 fdt_tsec1_fixup(blob, bd);
222 int board_eth_init(bd_t *bis)
224 cpu_eth_init(bis); /* Initialize TSECs first */
225 return pci_eth_init(bis);