/* * Copyright (C) 2007 Freescale Semiconductor, Inc. * * Author: Scott Wood <scottwood@freescale.com> * Dave Liu <daveliu@freescale.com> * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS for A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include <common.h> #include <i2c.h> #include <libfdt.h> #include <fdt_support.h> #include <pci.h> #include <mpc83xx.h> #include <netdev.h> DECLARE_GLOBAL_DATA_PTR; int board_early_init_f(void) { volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR; if (im->pmc.pmccr1 & PMCCR1_POWER_OFF) gd->flags |= GD_FLG_SILENT; return 0; } static u8 read_board_info(void) { u8 val8; i2c_set_bus_num(0); if (i2c_read(CONFIG_SYS_I2C_PCF8574A_ADDR, 0, 0, &val8, 1) == 0) return val8; else return 0; } int checkboard(void) { static const char * const rev_str[] = { "0.0", "0.1", "1.0", "1.1", "<unknown>", }; u8 info; int i; info = read_board_info(); i = (!info) ? 4: info & 0x03; printf("Board: Freescale MPC8315ERDB Rev %s\n", rev_str[i]); return 0; } static struct pci_region pci_regions[] = { { bus_start: CONFIG_SYS_PCI_MEM_BASE, phys_start: CONFIG_SYS_PCI_MEM_PHYS, size: CONFIG_SYS_PCI_MEM_SIZE, flags: PCI_REGION_MEM | PCI_REGION_PREFETCH }, { bus_start: CONFIG_SYS_PCI_MMIO_BASE, phys_start: CONFIG_SYS_PCI_MMIO_PHYS, size: CONFIG_SYS_PCI_MMIO_SIZE, flags: PCI_REGION_MEM }, { bus_start: CONFIG_SYS_PCI_IO_BASE, phys_start: CONFIG_SYS_PCI_IO_PHYS, size: CONFIG_SYS_PCI_IO_SIZE, flags: PCI_REGION_IO } }; void pci_init_board(void) { volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR; volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk; volatile law83xx_t *pci_law = immr->sysconf.pcilaw; struct pci_region *reg[] = { pci_regions }; int warmboot; /* Enable all 3 PCI_CLK_OUTPUTs. */ clk->occr |= 0xe0000000; /* * Configure PCI Local Access Windows */ pci_law[0].bar = CONFIG_SYS_PCI_MEM_PHYS & LAWBAR_BAR; pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB; pci_law[1].bar = CONFIG_SYS_PCI_IO_PHYS & LAWBAR_BAR; pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB; warmboot = gd->bd->bi_bootflags & BOOTFLAG_WARM; warmboot |= immr->pmc.pmccr1 & PMCCR1_POWER_OFF; mpc83xx_pci_init(1, reg, warmboot); } #if defined(CONFIG_OF_BOARD_SETUP) void fdt_tsec1_fixup(void *fdt, bd_t *bd) { char *mpc8315erdb = getenv("mpc8315erdb"); const char disabled[] = "disabled"; const char *path; int ret; if (!mpc8315erdb) return; if (!strcmp(mpc8315erdb, "tsec1")) { return; } else if (strcmp(mpc8315erdb, "ulpi")) { printf("WARNING: wrong `mpc8315erdb' environment " "variable specified: `%s'. Should be `ulpi' " "or `tsec1'.\n", mpc8315erdb); return; } ret = fdt_path_offset(fdt, "/aliases"); if (ret < 0) { printf("WARNING: can't find /aliases node\n"); return; } path = fdt_getprop(fdt, ret, "ethernet0", NULL); if (!path) { printf("WARNING: can't find ethernet0 alias\n"); return; } do_fixup_by_path(fdt, path, "status", disabled, sizeof(disabled), 1); } void ft_board_setup(void *blob, bd_t *bd) { ft_cpu_setup(blob, bd); #ifdef CONFIG_PCI ft_pci_setup(blob, bd); #endif fdt_fixup_dr_usb(blob, bd); fdt_tsec1_fixup(blob, bd); } #endif int board_eth_init(bd_t *bis) { cpu_eth_init(bis); /* Initialize TSECs first */ return pci_eth_init(bis); }