90 lines
2.0 KiB
C
90 lines
2.0 KiB
C
/*
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* Copyright (C) Freescale Semiconductor, Inc. 2006.
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*
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* (C) Copyright 2008
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* Andre Schwarz, Matrix Vision GmbH, andre.schwarz@matrix-vision.de
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#if defined(CONFIG_OF_LIBFDT)
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#include <libfdt.h>
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#endif
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#include <pci.h>
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#include <mpc83xx.h>
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#include <fpga.h>
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#include "mvblm7.h"
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#include "fpga.h"
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#include "../common/mv_common.h"
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DECLARE_GLOBAL_DATA_PTR;
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static struct pci_region pci_regions[] = {
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{
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bus_start: CONFIG_SYS_PCI1_MEM_BASE,
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phys_start: CONFIG_SYS_PCI1_MEM_PHYS,
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size: CONFIG_SYS_PCI1_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: CONFIG_SYS_PCI1_MMIO_BASE,
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phys_start: CONFIG_SYS_PCI1_MMIO_PHYS,
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size: CONFIG_SYS_PCI1_MMIO_SIZE,
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flags: PCI_REGION_MEM
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},
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{
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bus_start: CONFIG_SYS_PCI1_IO_BASE,
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phys_start: CONFIG_SYS_PCI1_IO_PHYS,
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size: CONFIG_SYS_PCI1_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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int i;
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volatile immap_t *immr;
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volatile pcictrl83xx_t *pci_ctrl;
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volatile gpio83xx_t *gpio;
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volatile clk83xx_t *clk;
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volatile law83xx_t *pci_law;
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struct pci_region *reg[] = { pci_regions };
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immr = (immap_t *) CONFIG_SYS_IMMR;
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clk = (clk83xx_t *) &immr->clk;
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pci_ctrl = immr->pci_ctrl;
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pci_law = immr->sysconf.pcilaw;
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gpio = (volatile gpio83xx_t *)&immr->gpio[0];
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gpio->dat = MV_GPIO_DAT;
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gpio->odr = MV_GPIO_ODE;
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gpio->dir = MV_GPIO_OUT;
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printf("SICRH / SICRL : 0x%08x / 0x%08x\n", immr->sysconf.sicrh,
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immr->sysconf.sicrl);
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mvblm7_init_fpga();
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mv_load_fpga();
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gpio->dir = MV_GPIO_OUT & ~(FPGA_DIN|FPGA_CCLK);
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/* Enable PCI_CLK_OUTPUTs 0 and 1 with 1:1 clocking */
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clk->occr = 0xc0000000;
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pci_ctrl[0].gcr = 0;
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udelay(2000);
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pci_ctrl[0].gcr = 1;
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for (i = 0; i < 1000; ++i)
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udelay(1000);
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pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;
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pci_law[0].ar = LBLAWAR_EN | LBLAWAR_1GB;
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pci_law[1].bar = CONFIG_SYS_PCI1_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);
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}
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