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https://github.com/smaeul/u-boot.git
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5e918a98c2
MPC837xERDB board support includes: * DDR2 330MHz hardcoded (soldered on the board) * Local Bus NOR Flash * I2C, UART and RTC * eTSEC RGMII (TSEC0 - RTL8211B with MII; * TSEC1 - VSC7385 local bus, hardcoded, requires seperate firmware * load) Signed-off-by: Kevin Lam <kevin.lam@freescale.com> Signed-off-by: Joe D'Abbraccio <joe.d'abbraccio@freescale.com> Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
/*
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* Copyright (C) 2007 Freescale Semiconductor, Inc.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*/
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#include <common.h>
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#include <mpc83xx.h>
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#include <pci.h>
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#if defined(CONFIG_PCI)
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static struct pci_region pci_regions[] = {
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{
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bus_start: CFG_PCI_MEM_BASE,
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phys_start: CFG_PCI_MEM_PHYS,
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size: CFG_PCI_MEM_SIZE,
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flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
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},
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{
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bus_start: CFG_PCI_MMIO_BASE,
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phys_start: CFG_PCI_MMIO_PHYS,
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size: CFG_PCI_MMIO_SIZE,
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flags: PCI_REGION_MEM
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},
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{
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bus_start: CFG_PCI_IO_BASE,
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phys_start: CFG_PCI_IO_PHYS,
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size: CFG_PCI_IO_SIZE,
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flags: PCI_REGION_IO
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}
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};
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void pci_init_board(void)
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{
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volatile immap_t *immr = (volatile immap_t *)CFG_IMMR;
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volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
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volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
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struct pci_region *reg[] = { pci_regions };
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/* Enable all 5 PCI_CLK_OUTPUTS */
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clk->occr |= 0xf8000000;
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udelay(2000);
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/* Configure PCI Local Access Windows */
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pci_law[0].bar = CFG_PCI_MEM_PHYS & LAWBAR_BAR;
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pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
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pci_law[1].bar = CFG_PCI_IO_PHYS & LAWBAR_BAR;
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pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
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mpc83xx_pci_init(1, reg, 0);
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}
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#endif /* CONFIG_PCI */
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