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[POWERPC] Use Freescale pci/pcie common code for 85xx boards 

Switch the 85xx platform over to using the FSL generic PCI code.  This
gets ups PCIe support in addition to base PCI support.

Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Roy Zang 2007-07-10 18:47:06 +08:00 committed by Kumar Gala
parent 344ffde71e
commit 3f6c5dae27
8 changed files with 25 additions and 104 deletions
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5
arch/powerpc/platforms/85xx/Kconfig
View File

@ -50,9 +50,10 @@ config MPC8560
config MPC85xx
bool
select PPC_UDBG_16550
select PPC_INDIRECT_PCI
select PPC_INDIRECT_PCI_BE
select PPC_INDIRECT_PCI if PCI
select PPC_INDIRECT_PCI_BE if PCI
select MPIC
select FSL_PCI if PCI
select SERIAL_8250_SHARE_IRQ if SERIAL_8250
default y if MPC8540_ADS || MPC85xx_CDS || MPC8560_ADS \
|| MPC85xx_MDS || MPC8544_DS

2
arch/powerpc/platforms/85xx/Makefile
View File

@ -1,7 +1,7 @@
#
# Makefile for the PowerPC 85xx linux kernel.
#
obj-$(CONFIG_PPC_85xx) += misc.o pci.o
obj-$(CONFIG_PPC_85xx) += misc.o
obj-$(CONFIG_MPC8540_ADS) += mpc85xx_ads.o
obj-$(CONFIG_MPC8560_ADS) += mpc85xx_ads.o
obj-$(CONFIG_MPC85xx_CDS) += mpc85xx_cds.o

1
arch/powerpc/platforms/85xx/mpc85xx.h
View File

@ -15,4 +15,3 @@
*/
extern void mpc85xx_restart(char *);
extern int mpc85xx_add_bridge(struct device_node *dev);

3
arch/powerpc/platforms/85xx/mpc85xx_ads.c
View File

@ -29,6 +29,7 @@
#include <asm/udbg.h>
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
#include "mpc85xx.h"
#ifdef CONFIG_CPM2
@ -217,7 +218,7 @@ static void __init mpc85xx_ads_setup_arch(void)
#ifdef CONFIG_PCI
for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
mpc85xx_add_bridge(np);
fsl_add_bridge(np, 1);
ppc_md.pci_exclude_device = mpc85xx_exclude_device;
#endif
}

14
arch/powerpc/platforms/85xx/mpc85xx_cds.c
View File

@ -45,6 +45,7 @@
#include <asm/i8259.h>
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
#include "mpc85xx.h"
static int cds_pci_slot = 2;
@ -58,8 +59,6 @@ static volatile u8 *cadmus;
static int mpc85xx_exclude_device(struct pci_controller *hose,
u_char bus, u_char devfn)
{
if ((bus == hose->first_busno) && PCI_SLOT(devfn) == 0)
return PCIBIOS_DEVICE_NOT_FOUND;
/* We explicitly do not go past the Tundra 320 Bridge */
if ((bus == 1) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL))
return PCIBIOS_DEVICE_NOT_FOUND;
@ -218,9 +217,14 @@ static void __init mpc85xx_cds_setup_arch(void)
}
#ifdef CONFIG_PCI
for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
mpc85xx_add_bridge(np);
for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) {
struct resource rsrc;
of_address_to_resource(np, 0, &rsrc);
if ((rsrc.start & 0xfffff) == 0x9000)
fsl_add_bridge(np, 0);
else
fsl_add_bridge(np, 1);
}
ppc_md.pci_irq_fixup = mpc85xx_cds_pci_irq_fixup;
ppc_md.pci_exclude_device = mpc85xx_exclude_device;
#endif

6
arch/powerpc/platforms/85xx/mpc85xx_mds.c
View File

@ -46,6 +46,7 @@
#include <asm/prom.h>
#include <asm/udbg.h>
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
#include <asm/qe.h>
#include <asm/qe_ic.h>
#include <asm/mpic.h>
@ -94,9 +95,8 @@ static void __init mpc85xx_mds_setup_arch(void)
}
#ifdef CONFIG_PCI
for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) {
mpc85xx_add_bridge(np);
}
for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
fsl_add_bridge(np, 1);
of_node_put(np);
#endif

91
arch/powerpc/platforms/85xx/pci.c
View File

@ -1,91 +0,0 @@
/*
* FSL SoC setup code
*
* Maintained by Kumar Gala (see MAINTAINERS for contact information)
*
* 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.
*/
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/module.h>
#include <asm/system.h>
#include <asm/atomic.h>
#include <asm/io.h>
#include <asm/pci-bridge.h>
#include <asm/prom.h>
#include <sysdev/fsl_soc.h>
#undef DEBUG
#ifdef DEBUG
#define DBG(x...) printk(x)
#else
#define DBG(x...)
#endif
#ifdef CONFIG_PCI
int __init mpc85xx_add_bridge(struct device_node *dev)
{
int len;
struct pci_controller *hose;
struct resource rsrc;
const int *bus_range;
int primary = 1, has_address = 0;
phys_addr_t immr = get_immrbase();
DBG("Adding PCI host bridge %s\n", dev->full_name);
/* Fetch host bridge registers address */
has_address = (of_address_to_resource(dev, 0, &rsrc) == 0);
/* Get bus range if any */
bus_range = of_get_property(dev, "bus-range", &len);
if (bus_range == NULL || len < 2 * sizeof(int)) {
printk(KERN_WARNING "Can't get bus-range for %s, assume"
" bus 0\n", dev->full_name);
}
pci_assign_all_buses = 1;
hose = pcibios_alloc_controller(dev);
if (!hose)
return -ENOMEM;
hose->first_busno = bus_range ? bus_range[0] : 0;
hose->last_busno = bus_range ? bus_range[1] : 0xff;
/* PCI 1 */
if ((rsrc.start & 0xfffff) == 0x8000) {
setup_indirect_pci(hose, immr + 0x8000, immr + 0x8004);
}
/* PCI 2 */
if ((rsrc.start & 0xfffff) == 0x9000) {
setup_indirect_pci(hose, immr + 0x9000, immr + 0x9004);
primary = 0;
}
printk(KERN_INFO "Found MPC85xx PCI host bridge at 0x%016llx. "
"Firmware bus number: %d->%d\n",
(unsigned long long)rsrc.start, hose->first_busno,
hose->last_busno);
DBG(" ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n",
hose, hose->cfg_addr, hose->cfg_data);
/* Interpret the "ranges" property */
/* This also maps the I/O region and sets isa_io/mem_base */
pci_process_bridge_OF_ranges(hose, dev, primary);
return 0;
}
#endif

7
arch/powerpc/sysdev/fsl_pci.c
View File

@ -200,5 +200,12 @@ int __init fsl_add_bridge(struct device_node *dev, int is_primary)
return 0;
}
DECLARE_PCI_FIXUP_EARLY(0x1957, 0x0012, quirk_fsl_pcie_transparent);
DECLARE_PCI_FIXUP_EARLY(0x1957, 0x0013, quirk_fsl_pcie_transparent);
DECLARE_PCI_FIXUP_EARLY(0x1957, 0x0014, quirk_fsl_pcie_transparent);
DECLARE_PCI_FIXUP_EARLY(0x1957, 0x0015, quirk_fsl_pcie_transparent);
DECLARE_PCI_FIXUP_EARLY(0x1957, 0x0018, quirk_fsl_pcie_transparent);
DECLARE_PCI_FIXUP_EARLY(0x1957, 0x0019, quirk_fsl_pcie_transparent);
DECLARE_PCI_FIXUP_EARLY(0x1957, 0x001a, quirk_fsl_pcie_transparent);
DECLARE_PCI_FIXUP_EARLY(0x1957, 0x7010, quirk_fsl_pcie_transparent);
DECLARE_PCI_FIXUP_EARLY(0x1957, 0x7011, quirk_fsl_pcie_transparent);