From 96b8a05432f346f36493535c85320b70ec9c7c1b Mon Sep 17 00:00:00 2001 From: Scott Wood Date: Mon, 16 Apr 2007 14:54:15 -0500 Subject: mpc83xx: Add MPC8313ERDB support. Signed-off-by: Scott Wood --- board/mpc8313erdb/mpc8313erdb.c | 116 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 board/mpc8313erdb/mpc8313erdb.c (limited to 'board/mpc8313erdb/mpc8313erdb.c') diff --git a/board/mpc8313erdb/mpc8313erdb.c b/board/mpc8313erdb/mpc8313erdb.c new file mode 100644 index 0000000..999fe9e --- /dev/null +++ b/board/mpc8313erdb/mpc8313erdb.c @@ -0,0 +1,116 @@ +/* + * Copyright (C) Freescale Semiconductor, Inc. 2006-2007 + * + * Author: Scott Wood + * + * 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 +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +int board_early_init_f(void) +{ +#ifndef CFG_8313ERDB_BROKEN_PMC + volatile immap_t *im = (immap_t *)CFG_IMMR; + + if (im->pmc.pmccr1 & PMCCR1_POWER_OFF) + gd->flags |= GD_FLG_SILENT; +#endif + + return 0; +} + +int checkboard(void) +{ + puts("Board: Freescale MPC8313ERDB\n"); + return 0; +} + +static struct pci_region pci_regions[] = { + { + bus_start: CFG_PCI1_MEM_BASE, + phys_start: CFG_PCI1_MEM_PHYS, + size: CFG_PCI1_MEM_SIZE, + flags: PCI_REGION_MEM | PCI_REGION_PREFETCH + }, + { + bus_start: CFG_PCI1_MMIO_BASE, + phys_start: CFG_PCI1_MMIO_PHYS, + size: CFG_PCI1_MMIO_SIZE, + flags: PCI_REGION_MEM + }, + { + bus_start: CFG_PCI1_IO_BASE, + phys_start: CFG_PCI1_IO_PHYS, + size: CFG_PCI1_IO_SIZE, + flags: PCI_REGION_IO + } +}; + +void pci_init_board(void) +{ + volatile immap_t *immr = (volatile immap_t *)CFG_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 = CFG_PCI1_MEM_PHYS & LAWBAR_BAR; + pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB; + + pci_law[1].bar = CFG_PCI1_IO_PHYS & LAWBAR_BAR; + pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB; + + warmboot = gd->bd->bi_bootflags & BOOTFLAG_WARM; +#ifndef CFG_8313ERDB_BROKEN_PMC + warmboot |= immr->pmc.pmccr1 & PMCCR1_POWER_OFF; +#endif + + mpc83xx_pci_init(1, reg, warmboot); +} + +#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) +void ft_board_setup(void *blob, bd_t *bd) +{ + u32 *p; + int len; + +#ifdef CONFIG_PCI + ft_pci_setup(blob, bd); +#endif + ft_cpu_setup(blob, bd); + + p = ft_get_prop(blob, "/memory/reg", &len); + if (p) { + *p++ = cpu_to_be32(bd->bi_memstart); + *p = cpu_to_be32(bd->bi_memsize); + } +} +#endif -- cgit v1.1