From: Reinhard Arlt reinhard.arlt@esd.eu

Remove PCI reset, if there is a monarch PMC module.

Signed-off-by: Reinhard Arlt reinhard.arlt@esd.eu Signed-off-by: Stefan Roese sr@denx.de --- board/esd/vme8349/pci.c | 35 +++++++++++++++++++++++++++-------- board/esd/vme8349/vme8349pin.h | 36 ++++++++++++++++++++++++++++++++++++ 2 files changed, 63 insertions(+), 8 deletions(-) create mode 100644 board/esd/vme8349/vme8349pin.h

diff --git a/board/esd/vme8349/pci.c b/board/esd/vme8349/pci.c index d15203c..380f4fb 100644 --- a/board/esd/vme8349/pci.c +++ b/board/esd/vme8349/pci.c @@ -2,6 +2,9 @@ * 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. + * + * Reinhard Arlt reinhard.arlt@esd-electronics.com * * Based on MPC8349 PCI support but w/o PIB related code. * @@ -32,6 +35,7 @@ #include <pci.h> #include <i2c.h> #include <asm/fsl_i2c.h> +#include "vme8349pin.h"

DECLARE_GLOBAL_DATA_PTR;

@@ -93,17 +97,24 @@ pci_init_board(void) 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); + clrbits_be32(&immr->gpio[1].dat, GPIO2_TSI_POWERUP_RESET_N | + GPIO2_TSI_PLL_RESET_N); + setbits_be32(&immr->gpio[1].dat, 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; @@ -114,6 +125,14 @@ pci_init_board(void)

udelay(2000);

- if (monarch == 0) + if (monarch == 0) { mpc83xx_pci_init(1, reg, 0); + } else { + /* + * Release PCI RST Output signal + */ + immr->pci_ctrl[0].gcr = 0; + udelay(2000); + immr->pci_ctrl[0].gcr = 1; + } } diff --git a/board/esd/vme8349/vme8349pin.h b/board/esd/vme8349/vme8349pin.h new file mode 100644 index 0000000..d1fd1b2 --- /dev/null +++ b/board/esd/vme8349/vme8349pin.h @@ -0,0 +1,36 @@ +/* + * vme8349pin.h -- esd VME8349 MPC8349 I/O pin definition. + * Copyright (c) 2009 esd gmbh. + * + * Reinhard Arlt reinhard.arlt@esd-electronics.com + * + * 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 + * + */ + +#ifndef __VME8349PIN_H__ +#define __VME8349PIN_H__ + +#define GPIO2_V_SCON 0x80000000 /* In: from tsi148 1: is syscon */ +#define GPIO2_VME_RESET_N 0x20000000 /* Out: to tsi148 */ +#define GPIO2_TSI_PLL_RESET_N 0x08000000 /* Out: to tsi148 */ +#define GPIO2_TSI_POWERUP_RESET_N 0x00800000 /* Out: to tsi148 */ +#define GPIO2_L_RESET_EN_N 0x00100000 /* Out: 0:vme can assert cpu lrst*/ + +#endif /* of ifndef __VME8349PIN_H__ */