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

/*
 * (C) Copyright 2002 ELTEC Elektronik AG
 * Frank Gottschling <fgottschling@eltec.de>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

/*
 * 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_SYS_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	*
1a459660	5	* SPDX-License-Identifier: GPL-2.0+
f5e0d039 HS	6	*/
	7
	8	/*
	9	* PCI initialisation for the MPC10x.
	10	*/
	11
	12	#include <common.h>
	13	#include <pci.h>
	14	#include <mpc106.h>
	15
	16	#ifdef CONFIG_PCI
	17
	18	struct pci_controller local_hose;
	19
	20	void pci_init_board(void)
	21	{
	22	struct pci_controller* hose = (struct pci_controller *)&local_hose;
	23	u16 reg16;
	24
	25	hose->first_busno = 0;
	26	hose->last_busno = 0xff;
	27
	28	pci_set_region(hose->regions + 0,
6d0f6bcf JCPV	29	CONFIG_SYS_PCI_MEMORY_BUS,
	30	CONFIG_SYS_PCI_MEMORY_PHYS,
	31	CONFIG_SYS_PCI_MEMORY_SIZE,
ff4e66e9	32	PCI_REGION_MEM \| PCI_REGION_SYS_MEMORY);
f5e0d039 HS	33
	34	/* PCI memory space */
	35	pci_set_region(hose->regions + 1,
6d0f6bcf JCPV	36	CONFIG_SYS_PCI_MEM_BUS,
	37	CONFIG_SYS_PCI_MEM_PHYS,
	38	CONFIG_SYS_PCI_MEM_SIZE,
f5e0d039 HS	39	PCI_REGION_MEM);
	40
	41	/* ISA/PCI memory space */
	42	pci_set_region(hose->regions + 2,
6d0f6bcf JCPV	43	CONFIG_SYS_ISA_MEM_BUS,
	44	CONFIG_SYS_ISA_MEM_PHYS,
	45	CONFIG_SYS_ISA_MEM_SIZE,
f5e0d039 HS	46	PCI_REGION_MEM);
	47
	48	/* PCI I/O space */
	49	pci_set_region(hose->regions + 3,
6d0f6bcf JCPV	50	CONFIG_SYS_PCI_IO_BUS,
	51	CONFIG_SYS_PCI_IO_PHYS,
	52	CONFIG_SYS_PCI_IO_SIZE,
f5e0d039 HS	53	PCI_REGION_IO);
	54
	55	/* ISA/PCI I/O space */
	56	pci_set_region(hose->regions + 4,
6d0f6bcf JCPV	57	CONFIG_SYS_ISA_IO_BUS,
	58	CONFIG_SYS_ISA_IO_PHYS,
	59	CONFIG_SYS_ISA_IO_SIZE,
f5e0d039 HS	60	PCI_REGION_IO);
	61
	62	hose->region_count = 5;
	63
	64	pci_setup_indirect(hose,
	65	MPC106_REG_ADDR,
	66	MPC106_REG_DATA);
	67
	68	pci_register_hose(hose);
	69
	70	hose->last_busno = pci_hose_scan(hose);
	71
	72	/* Initialises the MPC10x PCI Configuration regs. */
	73	pci_read_config_word (PCI_BDF(0,0,0), PCI_COMMAND, &reg16);
	74	reg16 \|= PCI_COMMAND_SERR \| PCI_COMMAND_MASTER \| PCI_COMMAND_MEMORY;
	75	pci_write_config_word(PCI_BDF(0,0,0), PCI_COMMAND, reg16);
	76
	77	/* Clear non-reserved bits in status register */
	78	pci_write_config_word(PCI_BDF(0,0,0), PCI_STATUS, 0xffff);
	79	}
	80
	81	#endif /* CONFIG_PCI */