[patch 4/6] User Freescale pci/pcie common routing for 83xx/85xx/86xx boards
Zang Roy-r61911
tie-fei.zang at freescale.com
Wed Jul 11 01:52:34 EST 2007
From: Roy Zang <tie-fei.zang at freescale.com>
User Freescale pci/pcie common routing for 83xx/85xx/86xx
boards.
Signed-off-by: Roy Zang <tie-fei.zang at freescale.com>
---
arch/powerpc/Kconfig | 2 +-
arch/powerpc/platforms/83xx/Kconfig | 4 +
arch/powerpc/platforms/83xx/mpc8313_rdb.c | 2 +-
arch/powerpc/platforms/83xx/mpc832x_mds.c | 2 +-
arch/powerpc/platforms/83xx/mpc832x_rdb.c | 2 +-
arch/powerpc/platforms/83xx/mpc834x_itx.c | 11 +++-
arch/powerpc/platforms/83xx/mpc834x_mds.c | 11 +++-
arch/powerpc/platforms/83xx/mpc836x_mds.c | 2 +-
arch/powerpc/platforms/83xx/mpc83xx.h | 2 +-
arch/powerpc/platforms/83xx/pci.c | 57 -----------------
arch/powerpc/platforms/85xx/Kconfig | 1 +
arch/powerpc/platforms/85xx/Makefile | 2 +-
arch/powerpc/platforms/85xx/mpc85xx.h | 1 -
arch/powerpc/platforms/85xx/mpc85xx_ads.c | 3 +-
arch/powerpc/platforms/85xx/mpc85xx_cds.c | 14 +++--
arch/powerpc/platforms/85xx/mpc85xx_mds.c | 6 +-
arch/powerpc/platforms/85xx/pci.c | 91 ----------------------------
arch/powerpc/platforms/86xx/mpc86xx.h | 2 -
arch/powerpc/platforms/86xx/mpc86xx_hpcn.c | 11 +++-
19 files changed, 51 insertions(+), 175 deletions(-)
delete mode 100644 arch/powerpc/platforms/85xx/pci.c
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 8c780bf..20f7a34 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -421,7 +421,7 @@ config FSL_SOC
config FSL_PCI
bool
- depends on PPC_86xx
+ depends on PPC_85xx || PPC_86xx || PPC_83xx
# Yes MCA RS/6000s exist but Linux-PPC does not currently support any
config MCA
diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig
index ec305f1..d60a431 100644
--- a/arch/powerpc/platforms/83xx/Kconfig
+++ b/arch/powerpc/platforms/83xx/Kconfig
@@ -55,23 +55,27 @@ endchoice
config PPC_MPC831x
bool
select PPC_UDBG_16550
+ select FSL_PCI
select PPC_INDIRECT_PCI
default y if MPC8313_RDB
config PPC_MPC832x
bool
select PPC_UDBG_16550
+ select FSL_PCI
select PPC_INDIRECT_PCI
default y if MPC832x_MDS || MPC832x_RDB
config MPC834x
bool
select PPC_UDBG_16550
+ select FSL_PCI
select PPC_INDIRECT_PCI
default y if MPC834x_MDS || MPC834x_ITX
config PPC_MPC836x
bool
select PPC_UDBG_16550
+ select FSL_PCI
select PPC_INDIRECT_PCI
default y if MPC836x_MDS
diff --git a/arch/powerpc/platforms/83xx/mpc8313_rdb.c b/arch/powerpc/platforms/83xx/mpc8313_rdb.c
index 3edfe17..41f4988 100644
--- a/arch/powerpc/platforms/83xx/mpc8313_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc8313_rdb.c
@@ -44,7 +44,7 @@ static void __init mpc8313_rdb_setup_arch(void)
#ifdef CONFIG_PCI
for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
- mpc83xx_add_bridge(np);
+ fsl_add_bridge(np, 1);
ppc_md.pci_exclude_device = mpc83xx_exclude_device;
#endif
diff --git a/arch/powerpc/platforms/83xx/mpc832x_mds.c b/arch/powerpc/platforms/83xx/mpc832x_mds.c
index b39cb52..6ef2acf 100644
--- a/arch/powerpc/platforms/83xx/mpc832x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc832x_mds.c
@@ -75,7 +75,7 @@ static void __init mpc832x_sys_setup_arch(void)
#ifdef CONFIG_PCI
for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
- mpc83xx_add_bridge(np);
+ fsl_add_bridge(np, 1);
ppc_md.pci_exclude_device = mpc83xx_exclude_device;
#endif
diff --git a/arch/powerpc/platforms/83xx/mpc832x_rdb.c b/arch/powerpc/platforms/83xx/mpc832x_rdb.c
index b2b28a4..0acc670 100644
--- a/arch/powerpc/platforms/83xx/mpc832x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc832x_rdb.c
@@ -48,7 +48,7 @@ static void __init mpc832x_rdb_setup_arch(void)
#ifdef CONFIG_PCI
for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
- mpc83xx_add_bridge(np);
+ fsl_add_bridge(np, 1);
ppc_md.pci_exclude_device = mpc83xx_exclude_device;
#endif
diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.c b/arch/powerpc/platforms/83xx/mpc834x_itx.c
index 47ba544..defde26 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_itx.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_itx.c
@@ -53,9 +53,14 @@ static void __init mpc834x_itx_setup_arch(void)
ppc_md.progress("mpc834x_itx_setup_arch()", 0);
#ifdef CONFIG_PCI
- for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
- mpc83xx_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) == 0x8500)
+ fsl_add_bridge(np, 1);
+ else
+ fsl_add_bridge(np, 0);
+ }
ppc_md.pci_exclude_device = mpc83xx_exclude_device;
#endif
diff --git a/arch/powerpc/platforms/83xx/mpc834x_mds.c b/arch/powerpc/platforms/83xx/mpc834x_mds.c
index 4c9ff9c..dbbf8b0 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_mds.c
@@ -84,9 +84,14 @@ static void __init mpc834x_mds_setup_arch(void)
ppc_md.progress("mpc834x_mds_setup_arch()", 0);
#ifdef CONFIG_PCI
- for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
- mpc83xx_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) == 0x8500)
+ fsl_add_bridge(np, 1);
+ else
+ fsl_add_bridge(np, 0);
+ }
ppc_md.pci_exclude_device = mpc83xx_exclude_device;
#endif
diff --git a/arch/powerpc/platforms/83xx/mpc836x_mds.c b/arch/powerpc/platforms/83xx/mpc836x_mds.c
index 0e615fd..9f39941 100644
--- a/arch/powerpc/platforms/83xx/mpc836x_mds.c
+++ b/arch/powerpc/platforms/83xx/mpc836x_mds.c
@@ -81,7 +81,7 @@ static void __init mpc836x_mds_setup_arch(void)
#ifdef CONFIG_PCI
for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
- mpc83xx_add_bridge(np);
+ fsl_add_bridge(np, 1);
ppc_md.pci_exclude_device = mpc83xx_exclude_device;
#endif
diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h
index 589ee55..dd1315e 100644
--- a/arch/powerpc/platforms/83xx/mpc83xx.h
+++ b/arch/powerpc/platforms/83xx/mpc83xx.h
@@ -48,7 +48,7 @@
* mpc83xx_* files. Mostly for use by mpc83xx_setup
*/
-extern int mpc83xx_add_bridge(struct device_node *dev);
+extern int fsl_add_bridge(struct device_node *dev, int is_primary);
extern int mpc83xx_exclude_device(struct pci_controller *hose,
u_char bus, u_char devfn);
extern void mpc83xx_restart(char *cmd);
diff --git a/arch/powerpc/platforms/83xx/pci.c b/arch/powerpc/platforms/83xx/pci.c
index c0e2b89..1fae915 100644
--- a/arch/powerpc/platforms/83xx/pci.c
+++ b/arch/powerpc/platforms/83xx/pci.c
@@ -39,60 +39,3 @@ int mpc83xx_exclude_device(struct pci_controller *hose, u_char bus, u_char devfn
return PCIBIOS_DEVICE_NOT_FOUND;
return PCIBIOS_SUCCESSFUL;
}
-
-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);
- }
-
- 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;
-
- /* 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);
- }
- /* PCI 2 */
- if ((rsrc.start & 0xfffff) == 0x8600) {
- setup_indirect_pci(hose, immr + 0x8380, immr + 0x8384);
- 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/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 629926e..112e5c6 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -53,6 +53,7 @@ config MPC85xx
select PPC_INDIRECT_PCI
select PPC_INDIRECT_PCI_BE
select MPIC
+ select FSL_PCI
select SERIAL_8250_SHARE_IRQ if SERIAL_8250
default y if MPC8540_ADS || MPC85xx_CDS || MPC8560_ADS \
|| MPC85xx_MDS || MPC8544_DS
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index 4e02cbb..d70f2d0 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -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
diff --git a/arch/powerpc/platforms/85xx/mpc85xx.h b/arch/powerpc/platforms/85xx/mpc85xx.h
index 7286ffa..5b34dee 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx.h
+++ b/arch/powerpc/platforms/85xx/mpc85xx.h
@@ -15,4 +15,3 @@
*/
extern void mpc85xx_restart(char *);
-extern int mpc85xx_add_bridge(struct device_node *dev);
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
index 7235f70..40a8286 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c
@@ -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
}
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
index 50c8d64..2539bb5 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c
@@ -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
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index 004b80b..9aa96f0 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -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
diff --git a/arch/powerpc/platforms/85xx/pci.c b/arch/powerpc/platforms/85xx/pci.c
deleted file mode 100644
index 8118417..0000000
--- a/arch/powerpc/platforms/85xx/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
-
-#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
diff --git a/arch/powerpc/platforms/86xx/mpc86xx.h b/arch/powerpc/platforms/86xx/mpc86xx.h
index 23f7ed2..fdb192b 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx.h
+++ b/arch/powerpc/platforms/86xx/mpc86xx.h
@@ -15,8 +15,6 @@
* mpc86xx_* files. Mostly for use by mpc86xx_setup().
*/
-extern int mpc86xx_add_bridge(struct device_node *dev);
-
extern int mpc86xx_exclude_device(struct pci_controller *hose,
u_char bus, u_char devfn);
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index 5b01ec7..dab016e 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -32,6 +32,7 @@
#include <asm/mpic.h>
#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
#include "mpc86xx.h"
#include "mpc8641_hpcn.h"
@@ -344,8 +345,14 @@ mpc86xx_hpcn_setup_arch(void)
}
#ifdef CONFIG_PCI
- for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
- mpc86xx_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) == 0x8000)
+ fsl_add_bridge(np, 1);
+ else
+ fsl_add_bridge(np, 0);
+ }
#endif
printk("MPC86xx HPCN board from Freescale Semiconductor\n");
--
1.5.1
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