+// SPDX-License-Identifier: GPL-2.0+
/*
* pci.c -- esd VME8349 PCI board support.
* Copyright (c) 2006 Wind River Systems, Inc.
* Copyright (C) 2006-2009 Freescale Semiconductor, Inc.
+ * Copyright (c) 2009 esd gmbh.
*
- * Based on MPC8349 PCI support but w/o PIB related code.
- *
- * 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
+ * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
*
+ * 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 <pci.h>
#include <i2c.h>
#include <asm/fsl_i2c.h>
-
-DECLARE_GLOBAL_DATA_PTR;
+#include <linux/delay.h>
+#include "vme8349pin.h"
static struct pci_region pci1_regions[] = {
{
udelay(2000);
/*
- * Assert/deassert PCI reset
+ * Assert/deassert VME reset
*/
- setbits_be32(&immr->gpio[0].dat, 0x00800000);
- setbits_be32(&immr->gpio[0].dir, 0x00800000);
- setbits_be32(&immr->gpio[1].dir, 0x08800000);
+ clrsetbits_be32(&immr->gpio[1].dat,
+ GPIO2_TSI_POWERUP_RESET_N | GPIO2_TSI_PLL_RESET_N,
+ GPIO2_VME_RESET_N | GPIO2_L_RESET_EN_N);
+ setbits_be32(&immr->gpio[1].dir, GPIO2_TSI_PLL_RESET_N |
+ GPIO2_TSI_POWERUP_RESET_N |
+ GPIO2_VME_RESET_N |
+ GPIO2_L_RESET_EN_N);
+ clrbits_be32(&immr->gpio[1].dir, GPIO2_V_SCON);
udelay(200);
- setbits_be32(&immr->gpio[1].dat, 0x08000000);
+ setbits_be32(&immr->gpio[1].dat, GPIO2_TSI_PLL_RESET_N);
udelay(200);
- setbits_be32(&immr->gpio[1].dat, 0x08800000);
+ setbits_be32(&immr->gpio[1].dat, GPIO2_TSI_POWERUP_RESET_N);
udelay(600000);
- clrbits_be32(&immr->gpio[1].dat, 0x00100000);
+ clrbits_be32(&immr->gpio[1].dat, GPIO2_L_RESET_EN_N);
/* Configure PCI Local Access Windows */
pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;
udelay(2000);
- if (monarch == 0)
- mpc83xx_pci_init(1, reg, 0);
+ if (monarch == 0) {
+ mpc83xx_pci_init(1, reg);
+ } else {
+ /*
+ * Release PCI RST Output signal
+ */
+ out_be32(&immr->pci_ctrl[0].gcr, 0);
+ udelay(2000);
+ out_be32(&immr->pci_ctrl[0].gcr, 1);
+ }
}