[people/ms/u-boot.git] / board / ppmc7xx / pci.c

/*
 * (C) Copyright 2002 ELTEC Elektronik AG
 * Frank Gottschling <fgottschling@eltec.de>
 *
 * 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
 */

/*
 * PCI initialisation for the MPC10x.
 */

#include <common.h>
#include <pci.h>
#include <mpc106.h>

#ifdef CONFIG_PCI

struct pci_controller local_hose;

void pci_init_board(void)
{
    struct pci_controller* hose = (struct pci_controller *)&local_hose;
    u16 reg16;

    hose->first_busno = 0;
    hose->last_busno = 0xff;

    pci_set_region(hose->regions + 0,
	CONFIG_SYS_PCI_MEMORY_BUS,
	CONFIG_SYS_PCI_MEMORY_PHYS,
	CONFIG_SYS_PCI_MEMORY_SIZE,
	PCI_REGION_MEM | PCI_REGION_MEMORY);

    /* PCI memory space */
    pci_set_region(hose->regions + 1,
	CONFIG_SYS_PCI_MEM_BUS,
	CONFIG_SYS_PCI_MEM_PHYS,
	CONFIG_SYS_PCI_MEM_SIZE,
	PCI_REGION_MEM);

    /* ISA/PCI memory space */
    pci_set_region(hose->regions + 2,
	CONFIG_SYS_ISA_MEM_BUS,
	CONFIG_SYS_ISA_MEM_PHYS,
	CONFIG_SYS_ISA_MEM_SIZE,
	PCI_REGION_MEM);

    /* PCI I/O space */
    pci_set_region(hose->regions + 3,
	CONFIG_SYS_PCI_IO_BUS,
	CONFIG_SYS_PCI_IO_PHYS,
	CONFIG_SYS_PCI_IO_SIZE,
	PCI_REGION_IO);

    /* ISA/PCI I/O space */
    pci_set_region(hose->regions + 4,
	CONFIG_SYS_ISA_IO_BUS,
	CONFIG_SYS_ISA_IO_PHYS,
	CONFIG_SYS_ISA_IO_SIZE,
	PCI_REGION_IO);

    hose->region_count = 5;

    pci_setup_indirect(hose,
	MPC106_REG_ADDR,
	MPC106_REG_DATA);

    pci_register_hose(hose);

    hose->last_busno = pci_hose_scan(hose);

    /* Initialises the MPC10x PCI Configuration regs. */
    pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, &reg16);
    reg16 |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY;
    pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16);

    /* Clear non-reserved bits in status register */
    pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
}

#endif /* CONFIG_PCI */
Commit	Line	Data
f5e0d039 HS	1	/*
	2	* (C) Copyright 2002 ELTEC Elektronik AG
	3	* Frank Gottschling <fgottschling@eltec.de>
	4	*
	5	* See file CREDITS for list of people who contributed to this
	6	* project.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation; either version 2 of
	11	* the License, or (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	* MA 02111-1307 USA
	22	*/
	23
	24	/*
	25	* PCI initialisation for the MPC10x.
	26	*/
	27
	28	#include <common.h>
	29	#include <pci.h>
	30	#include <mpc106.h>
	31
	32	#ifdef CONFIG_PCI
	33
	34	struct pci_controller local_hose;
	35
	36	void pci_init_board(void)
	37	{
	38	struct pci_controller* hose = (struct pci_controller *)&local_hose;
	39	u16 reg16;
	40
	41	hose->first_busno = 0;
	42	hose->last_busno = 0xff;
	43
	44	pci_set_region(hose->regions + 0,
6d0f6bcf JCPV	45	CONFIG_SYS_PCI_MEMORY_BUS,
	46	CONFIG_SYS_PCI_MEMORY_PHYS,
	47	CONFIG_SYS_PCI_MEMORY_SIZE,
f5e0d039 HS	48	PCI_REGION_MEM \| PCI_REGION_MEMORY);
	49
	50	/* PCI memory space */
	51	pci_set_region(hose->regions + 1,
6d0f6bcf JCPV	52	CONFIG_SYS_PCI_MEM_BUS,
	53	CONFIG_SYS_PCI_MEM_PHYS,
	54	CONFIG_SYS_PCI_MEM_SIZE,
f5e0d039 HS	55	PCI_REGION_MEM);
	56
	57	/* ISA/PCI memory space */
	58	pci_set_region(hose->regions + 2,
6d0f6bcf JCPV	59	CONFIG_SYS_ISA_MEM_BUS,
	60	CONFIG_SYS_ISA_MEM_PHYS,
	61	CONFIG_SYS_ISA_MEM_SIZE,
f5e0d039 HS	62	PCI_REGION_MEM);
	63
	64	/* PCI I/O space */
	65	pci_set_region(hose->regions + 3,
6d0f6bcf JCPV	66	CONFIG_SYS_PCI_IO_BUS,
	67	CONFIG_SYS_PCI_IO_PHYS,
	68	CONFIG_SYS_PCI_IO_SIZE,
f5e0d039 HS	69	PCI_REGION_IO);
	70
	71	/* ISA/PCI I/O space */
	72	pci_set_region(hose->regions + 4,
6d0f6bcf JCPV	73	CONFIG_SYS_ISA_IO_BUS,
	74	CONFIG_SYS_ISA_IO_PHYS,
	75	CONFIG_SYS_ISA_IO_SIZE,
f5e0d039 HS	76	PCI_REGION_IO);
	77
	78	hose->region_count = 5;
	79
	80	pci_setup_indirect(hose,
	81	MPC106_REG_ADDR,
	82	MPC106_REG_DATA);
	83
	84	pci_register_hose(hose);
	85
	86	hose->last_busno = pci_hose_scan(hose);
	87
	88	/* Initialises the MPC10x PCI Configuration regs. */
	89	pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, &reg16);
	90	reg16 \|= PCI_COMMAND_SERR \| PCI_COMMAND_MASTER \| PCI_COMMAND_MEMORY;
	91	pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16);
	92
	93	/* Clear non-reserved bits in status register */
	94	pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
	95	}
	96
	97	#endif /* CONFIG_PCI */