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- // SPDX-License-Identifier: GPL-2.0+
- /*
- * pci.c -- WindRiver SBC8349 PCI board support.
- * Copyright (c) 2006 Wind River Systems, Inc.
- * Copyright (C) 2006-2009 Freescale Semiconductor, Inc.
- *
- * Based on MPC8349 PCI support but w/o PIB related code.
- */
- #include <init.h>
- #include <asm/mmu.h>
- #include <asm/io.h>
- #include <common.h>
- #include <mpc83xx.h>
- #include <pci.h>
- #include <i2c.h>
- #include <asm/fsl_i2c.h>
- static struct pci_region pci1_regions[] = {
- {
- bus_start: CONFIG_SYS_PCI1_MEM_BASE,
- phys_start: CONFIG_SYS_PCI1_MEM_PHYS,
- size: CONFIG_SYS_PCI1_MEM_SIZE,
- flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
- },
- {
- bus_start: CONFIG_SYS_PCI1_IO_BASE,
- phys_start: CONFIG_SYS_PCI1_IO_PHYS,
- size: CONFIG_SYS_PCI1_IO_SIZE,
- flags: PCI_REGION_IO
- },
- {
- bus_start: CONFIG_SYS_PCI1_MMIO_BASE,
- phys_start: CONFIG_SYS_PCI1_MMIO_PHYS,
- size: CONFIG_SYS_PCI1_MMIO_SIZE,
- flags: PCI_REGION_MEM
- },
- };
- /*
- * pci_init_board()
- *
- * NOTICE: PCI2 is not supported. There is only one
- * physical PCI slot on the board.
- *
- */
- 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[] = { pci1_regions };
- /* Enable all 8 PCI_CLK_OUTPUTS */
- clk->occr = 0xff000000;
- udelay(2000);
- /* Configure PCI Local Access Windows */
- pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;
- pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_1G;
- pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR;
- pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_4M;
- udelay(2000);
- mpc83xx_pci_init(1, reg);
- }
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