[PATCH 2/2] powerpc: Move mpc83xx_add_bridge to fsl_pci.c [rev2]

Grant Likely grant.likely at secretlab.ca
Sun Jun 29 16:01:20 EST 2008


On Thu, Jun 26, 2008 at 11:07:57AM -0600, John Rigby wrote:
> This allows other platforms with the same pci
> block like MPC5121 to use it.
> 
> Signed-off-by: John Rigby <jrigby at freescale.com>

Acked-by: Grant Likely <grant.likely at secretlab.ca>

> ---
>  arch/powerpc/platforms/83xx/Kconfig       |    2 +-
>  arch/powerpc/platforms/83xx/Makefile      |    1 -
>  arch/powerpc/platforms/83xx/mpc831x_rdb.c |    1 +
>  arch/powerpc/platforms/83xx/mpc832x_mds.c |    1 +
>  arch/powerpc/platforms/83xx/mpc832x_rdb.c |    1 +
>  arch/powerpc/platforms/83xx/mpc834x_itx.c |    1 +
>  arch/powerpc/platforms/83xx/mpc834x_mds.c |    1 +
>  arch/powerpc/platforms/83xx/mpc836x_mds.c |    1 +
>  arch/powerpc/platforms/83xx/mpc837x_mds.c |    1 +
>  arch/powerpc/platforms/83xx/mpc837x_rdb.c |    1 +
>  arch/powerpc/platforms/83xx/mpc83xx.h     |    1 -
>  arch/powerpc/platforms/83xx/pci.c         |   91 -----------------------------
>  arch/powerpc/platforms/83xx/sbc834x.c     |    1 +
>  arch/powerpc/sysdev/fsl_pci.c             |   61 +++++++++++++++++++
>  arch/powerpc/sysdev/fsl_pci.h             |    1 +
>  15 files changed, 72 insertions(+), 94 deletions(-)
>  delete mode 100644 arch/powerpc/platforms/83xx/pci.c
> 
> diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig
> index 0a306eb..ca2c149 100644
> --- a/arch/powerpc/platforms/83xx/Kconfig
> +++ b/arch/powerpc/platforms/83xx/Kconfig
> @@ -3,7 +3,7 @@ menuconfig MPC83xx
>  	depends on PPC_83xx
>  	select PPC_UDBG_16550
>  	select PPC_PCI_CHOICE
> -	select PPC_INDIRECT_PCI
> +	select FSL_PCI if PCI
>  
>  if MPC83xx
>  
> diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile
> index 76494be..59c413c 100644
> --- a/arch/powerpc/platforms/83xx/Makefile
> +++ b/arch/powerpc/platforms/83xx/Makefile
> @@ -2,7 +2,6 @@
>  # Makefile for the PowerPC 83xx linux kernel.
>  #
>  obj-y				:= misc.o usb.o
> -obj-$(CONFIG_PCI)		+= pci.o
>  obj-$(CONFIG_MPC831x_RDB)	+= mpc831x_rdb.o
>  obj-$(CONFIG_MPC832x_RDB)	+= mpc832x_rdb.o
>  obj-$(CONFIG_MPC834x_MDS)	+= mpc834x_mds.o
> diff --git a/arch/powerpc/platforms/83xx/mpc831x_rdb.c b/arch/powerpc/platforms/83xx/mpc831x_rdb.c
> index c4db517..a428f8d 100644
> --- a/arch/powerpc/platforms/83xx/mpc831x_rdb.c
> +++ b/arch/powerpc/platforms/83xx/mpc831x_rdb.c
> @@ -19,6 +19,7 @@
>  #include <asm/time.h>
>  #include <asm/ipic.h>
>  #include <asm/udbg.h>
> +#include <sysdev/fsl_pci.h>
>  
>  #include "mpc83xx.h"
>  
> diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c
> index 6dbc6ea..dd4be4a 100644
> --- a/arch/powerpc/platforms/83xx/mpc832x_mds.c
> +++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c
> @@ -36,6 +36,7 @@
>  #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>
>  
> diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c
> index e7f706b..f049d69 100644
> --- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c
> +++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c
> @@ -27,6 +27,7 @@
>  #include <asm/qe.h>
>  #include <asm/qe_ic.h>
>  #include <sysdev/fsl_soc.h>
> +#include <sysdev/fsl_pci.h>
>  
>  #include "mpc83xx.h"
>  
> diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.c b/arch/powerpc/platforms/83xx/mpc834x_itx.c
> index 50e8f63..7301d77 100644
> --- a/arch/powerpc/platforms/83xx/mpc834x_itx.c
> +++ b/arch/powerpc/platforms/83xx/mpc834x_itx.c
> @@ -35,6 +35,7 @@
>  #include <asm/prom.h>
>  #include <asm/udbg.h>
>  #include <sysdev/fsl_soc.h>
> +#include <sysdev/fsl_pci.h>
>  
>  #include "mpc83xx.h"
>  
> diff --git a/arch/powerpc/platforms/83xx/mpc834x_mds.c b/arch/powerpc/platforms/83xx/mpc834x_mds.c
> index 2b8a0a3..30d509a 100644
> --- a/arch/powerpc/platforms/83xx/mpc834x_mds.c
> +++ b/arch/powerpc/platforms/83xx/mpc834x_mds.c
> @@ -35,6 +35,7 @@
>  #include <asm/prom.h>
>  #include <asm/udbg.h>
>  #include <sysdev/fsl_soc.h>
> +#include <sysdev/fsl_pci.h>
>  
>  #include "mpc83xx.h"
>  
> diff --git a/arch/powerpc/platforms/83xx/mpc836x_mds.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c
> index c2e5de6..75b80e8 100644
> --- a/arch/powerpc/platforms/83xx/mpc836x_mds.c
> +++ b/arch/powerpc/platforms/83xx/mpc836x_mds.c
> @@ -42,6 +42,7 @@
>  #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>
>  
> diff --git a/arch/powerpc/platforms/83xx/mpc837x_mds.c b/arch/powerpc/platforms/83xx/mpc837x_mds.c
> index 64d17b0..be62de2 100644
> --- a/arch/powerpc/platforms/83xx/mpc837x_mds.c
> +++ b/arch/powerpc/platforms/83xx/mpc837x_mds.c
> @@ -19,6 +19,7 @@
>  #include <asm/ipic.h>
>  #include <asm/udbg.h>
>  #include <asm/prom.h>
> +#include <sysdev/fsl_pci.h>
>  
>  #include "mpc83xx.h"
>  
> diff --git a/arch/powerpc/platforms/83xx/mpc837x_rdb.c b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
> index c00356b..da030af 100644
> --- a/arch/powerpc/platforms/83xx/mpc837x_rdb.c
> +++ b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
> @@ -17,6 +17,7 @@
>  #include <asm/time.h>
>  #include <asm/ipic.h>
>  #include <asm/udbg.h>
> +#include <sysdev/fsl_pci.h>
>  
>  #include "mpc83xx.h"
>  
> diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h
> index 88a3b5c..393dfec 100644
> --- a/arch/powerpc/platforms/83xx/mpc83xx.h
> +++ b/arch/powerpc/platforms/83xx/mpc83xx.h
> @@ -55,7 +55,6 @@
>   * mpc83xx_* files. Mostly for use by mpc83xx_setup
>   */
>  
> -extern int mpc83xx_add_bridge(struct device_node *dev);
>  extern void mpc83xx_restart(char *cmd);
>  extern long mpc83xx_time_init(void);
>  extern int mpc834x_usb_cfg(void);
> diff --git a/arch/powerpc/platforms/83xx/pci.c b/arch/powerpc/platforms/83xx/pci.c
> deleted file mode 100644
> index 14f1080..0000000
> --- a/arch/powerpc/platforms/83xx/pci.c
> +++ /dev/null
> @@ -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
> -
> -int __init mpc83xx_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);
> -	}
> -
> -	ppc_pci_flags |= PPC_PCI_REASSIGN_ALL_BUS;
> -	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;
> -
> -	/* MPC83xx supports up to two host controllers one at 0x8500 from immrbar
> -	 * the other at 0x8600, we consider the 0x8500 the primary controller
> -	 */
> -	/* PCI 1 */
> -	if ((rsrc.start & 0xfffff) == 0x8500) {
> -		setup_indirect_pci(hose, immr + 0x8300, immr + 0x8304, 0);
> -	}
> -	/* PCI 2 */
> -	if ((rsrc.start & 0xfffff) == 0x8600) {
> -		setup_indirect_pci(hose, immr + 0x8380, immr + 0x8384, 0);
> -		primary = 0;
> -	}
> -
> -	printk(KERN_INFO "Found MPC83xx 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;
> -}
> diff --git a/arch/powerpc/platforms/83xx/sbc834x.c b/arch/powerpc/platforms/83xx/sbc834x.c
> index cf38247..fc21f5c 100644
> --- a/arch/powerpc/platforms/83xx/sbc834x.c
> +++ b/arch/powerpc/platforms/83xx/sbc834x.c
> @@ -37,6 +37,7 @@
>  #include <asm/prom.h>
>  #include <asm/udbg.h>
>  #include <sysdev/fsl_soc.h>
> +#include <sysdev/fsl_pci.h>
>  
>  #include "mpc83xx.h"
>  
> diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
> index 489ca5a..68583f6 100644
> --- a/arch/powerpc/sysdev/fsl_pci.c
> +++ b/arch/powerpc/sysdev/fsl_pci.c
> @@ -27,6 +27,7 @@
>  #include <sysdev/fsl_soc.h>
>  #include <sysdev/fsl_pci.h>
>  
> +#if defined(CONFIG_PPC_85xx) || defined(CONFIG_PPC_86xx)
>  /* atmu setup for fsl pci/pcie controller */
>  void __init setup_pci_atmu(struct pci_controller *hose, struct resource *rsrc)
>  {
> @@ -246,3 +247,63 @@ DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8572, quirk_fsl_pcie_header);
>  DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8641, quirk_fsl_pcie_header);
>  DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8641D, quirk_fsl_pcie_header);
>  DECLARE_PCI_FIXUP_HEADER(0x1957, PCI_DEVICE_ID_MPC8610, quirk_fsl_pcie_header);
> +#endif /* CONFIG_PPC_85xx || CONFIG_PPC_86xx */
> +
> +#if defined(CONFIG_PPC_83xx)
> +int __init mpc83xx_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();
> +
> +	pr_debug("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);
> +	}
> +
> +	ppc_pci_flags |= PPC_PCI_REASSIGN_ALL_BUS;
> +	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;
> +
> +	/* MPC83xx supports up to two host controllers one at 0x8500 from immrbar
> +	 * the other at 0x8600, we consider the 0x8500 the primary controller
> +	 */
> +	/* PCI 1 */
> +	if ((rsrc.start & 0xfffff) == 0x8500) {
> +		setup_indirect_pci(hose, immr + 0x8300, immr + 0x8304, 0);
> +	}
> +	/* PCI 2 */
> +	if ((rsrc.start & 0xfffff) == 0x8600) {
> +		setup_indirect_pci(hose, immr + 0x8380, immr + 0x8384, 0);
> +		primary = 0;
> +	}
> +
> +	printk(KERN_INFO "Found MPC83xx PCI host bridge at 0x%016llx. "
> +	       "Firmware bus number: %d->%d\n",
> +	       (unsigned long long)rsrc.start, hose->first_busno,
> +	       hose->last_busno);
> +
> +	pr_debug(" ->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 /* CONFIG_PPC_83xx */
> diff --git a/arch/powerpc/sysdev/fsl_pci.h b/arch/powerpc/sysdev/fsl_pci.h
> index 37b04ad..13f30c2 100644
> --- a/arch/powerpc/sysdev/fsl_pci.h
> +++ b/arch/powerpc/sysdev/fsl_pci.h
> @@ -83,6 +83,7 @@ struct ccsr_pci {
>  
>  extern int fsl_add_bridge(struct device_node *dev, int is_primary);
>  extern void fsl_pcibios_fixup_bus(struct pci_bus *bus);
> +extern int mpc83xx_add_bridge(struct device_node *dev);
>  
>  #endif /* __POWERPC_FSL_PCI_H */
>  #endif /* __KERNEL__ */
> -- 
> 1.5.6.rc0.46.gd2b3
> 
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