powerpc/5121: Add PCI support.

Uses mpc83xx_add_bridge in fsl_pci.c

Adds second register tuple to pci node register property
as done for 83xx device trees in a previous patch.

Signed-off-by: John Rigby <jrigby@freescale.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

4 files changed, 16 insertions, 3 deletions

diff --git a/arch/powerpc/boot/dts/mpc5121ads.dts b/arch/powerpc/boot/dts/mpc5121ads.dts
index 1f9036c317b4..c2b8dbfab79e 100644
--- a/arch/powerpc/boot/dts/mpc5121ads.dts
+++ b/arch/powerpc/boot/dts/mpc5121ads.dts
@@ -403,7 +403,8 @@
                 #interrupt-cells = <1>;
                 #size-cells = <2>;
                 #address-cells = <3>;
-                reg = <0x80008500 0x100>;
+                reg = <0x80008500 0x100         /* internal registers */
+                       0x80008300 0x8>;         /* config space access registers */
                 compatible = "fsl,mpc5121-pci";
                 device_type = "pci";
         };
diff --git a/arch/powerpc/platforms/512x/Kconfig b/arch/powerpc/platforms/512x/Kconfig
index c62f893ede19..326852c78b8f 100644
--- a/arch/powerpc/platforms/512x/Kconfig
+++ b/arch/powerpc/platforms/512x/Kconfig
@@ -3,6 +3,8 @@ config PPC_MPC512x
         select FSL_SOC
         select IPIC
         select PPC_CLOCK
+        select PPC_PCI_CHOICE
+        select FSL_PCI if PCI
 
 config PPC_MPC5121
         bool
diff --git a/arch/powerpc/platforms/512x/mpc5121_ads.c b/arch/powerpc/platforms/512x/mpc5121_ads.c
index 5ebf6939a697..441abc488851 100644
--- a/arch/powerpc/platforms/512x/mpc5121_ads.c
+++ b/arch/powerpc/platforms/512x/mpc5121_ads.c
@@ -22,16 +22,26 @@
 #include <asm/prom.h>
 #include <asm/time.h>
 
+#include <sysdev/fsl_pci.h>
+
 #include "mpc512x.h"
 #include "mpc5121_ads.h"
 
 static void __init mpc5121_ads_setup_arch(void)
 {
+#ifdef CONFIG_PCI
+        struct device_node *np;
+#endif
         printk(KERN_INFO "MPC5121 ADS board from Freescale Semiconductor\n");
         /*
          * cpld regs are needed early
          */
         mpc5121_ads_cpld_map();
+
+#ifdef CONFIG_PCI
+        for_each_compatible_node(np, "pci", "fsl,mpc5121-pci")
+                mpc83xx_add_bridge(np);
+#endif
 }
 
 static void __init mpc5121_ads_init_IRQ(void)
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index a3f4abadbade..5b264eb4b1f7 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -251,7 +251,7 @@ 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)
+#if defined(CONFIG_PPC_83xx) || defined(CONFIG_PPC_MPC512x)
 int __init mpc83xx_add_bridge(struct device_node *dev)
 {
         int len;
@@ -310,7 +310,7 @@ int __init mpc83xx_add_bridge(struct device_node *dev)
 
         setup_indirect_pci(hose, rsrc_cfg.start, rsrc_cfg.start + 4, 0);
 
-        printk(KERN_INFO "Found MPC83xx PCI host bridge at 0x%016llx. "
+        printk(KERN_INFO "Found FSL PCI host bridge at 0x%016llx. "
                "Firmware bus number: %d->%d\n",
                (unsigned long long)rsrc_reg.start, hose->first_busno,
                hose->last_busno);