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/*
* Copyright (C) Freescale Semiconductor, Inc. 2006.
*
* (C) Copyright 2008
* Andre Schwarz, Matrix Vision GmbH, andre.schwarz@matrix-vision.de
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#if defined(CONFIG_OF_LIBFDT)
#include <libfdt.h>
#endif
#include <pci.h>
#include <mpc83xx.h>
#include <fpga.h>
#include "mvblm7.h"
#include "fpga.h"
#include "../common/mv_common.h"
DECLARE_GLOBAL_DATA_PTR;
static struct pci_region pci_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_MMIO_BASE,
phys_start: CONFIG_SYS_PCI1_MMIO_PHYS,
size: CONFIG_SYS_PCI1_MMIO_SIZE,
flags: PCI_REGION_MEM
},
{
bus_start: CONFIG_SYS_PCI1_IO_BASE,
phys_start: CONFIG_SYS_PCI1_IO_PHYS,
size: CONFIG_SYS_PCI1_IO_SIZE,
flags: PCI_REGION_IO
}
};
void pci_init_board(void)
{
int i;
volatile immap_t *immr;
volatile pcictrl83xx_t *pci_ctrl;
volatile gpio83xx_t *gpio;
volatile clk83xx_t *clk;
volatile law83xx_t *pci_law;
struct pci_region *reg[] = { pci_regions };
immr = (immap_t *) CONFIG_SYS_IMMR;
clk = (clk83xx_t *) &immr->clk;
pci_ctrl = immr->pci_ctrl;
pci_law = immr->sysconf.pcilaw;
gpio = (volatile gpio83xx_t *)&immr->gpio[0];
gpio->dat = MV_GPIO_DAT;
gpio->odr = MV_GPIO_ODE;
gpio->dir = MV_GPIO_OUT;
printf("SICRH / SICRL : 0x%08x / 0x%08x\n", immr->sysconf.sicrh,
immr->sysconf.sicrl);
mvblm7_init_fpga();
mv_load_fpga();
gpio->dir = MV_GPIO_OUT & ~(FPGA_DIN|FPGA_CCLK);
/* Enable PCI_CLK_OUTPUTs 0 and 1 with 1:1 clocking */
clk->occr = 0xc0000000;
pci_ctrl[0].gcr = 0;
udelay(2000);
pci_ctrl[0].gcr = 1;
for (i = 0; i < 1000; ++i)
udelay(1000);
pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;
pci_law[0].ar = LBLAWAR_EN | LBLAWAR_1GB;
pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR;
pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
mpc83xx_pci_init(1, reg);
}
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