8 files changed, 27 insertions, 7 deletions
diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig
index fdaf4ddaa955..9c7b64a3402b 100644
--- a/arch/powerpc/platforms/86xx/Kconfig
+++ b/arch/powerpc/platforms/86xx/Kconfig
@@ -15,6 +15,7 @@ config MPC8641_HPCN
 	select DEFAULT_UIMAGE
 	select FSL_ULI1575
 	select HAS_RAPIDIO
+	select SWIOTLB
 	help
 	  This option enables support for the MPC8641 HPCN board.
 
diff --git a/arch/powerpc/platforms/86xx/gef_ppc9a.c b/arch/powerpc/platforms/86xx/gef_ppc9a.c
index d79104669cdc..2efa052975e6 100644
--- a/arch/powerpc/platforms/86xx/gef_ppc9a.c
+++ b/arch/powerpc/platforms/86xx/gef_ppc9a.c
@@ -28,7 +28,6 @@
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc86xx.h>
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
diff --git a/arch/powerpc/platforms/86xx/gef_sbc310.c b/arch/powerpc/platforms/86xx/gef_sbc310.c
index af14f852d747..90754e752bd8 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc310.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc310.c
@@ -28,7 +28,6 @@
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc86xx.h>
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c
index ea2360639652..72b31a6010a0 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc610.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc610.c
@@ -28,7 +28,6 @@
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc86xx.h>
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
diff --git a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
index 3f49a6f893a3..627908a4cd77 100644
--- a/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
+++ b/arch/powerpc/platforms/86xx/mpc8610_hpcd.c
@@ -28,7 +28,6 @@
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc86xx.h>
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
@@ -38,6 +37,7 @@
 #include <linux/of_platform.h>
 #include <sysdev/fsl_pci.h>
 #include <sysdev/fsl_soc.h>
+#include <sysdev/simple_gpio.h>
 
 #include "mpc86xx.h"
 
@@ -52,6 +52,9 @@ static struct of_device_id __initdata mpc8610_ids[] = {
 
 static int __init mpc8610_declare_of_platform_devices(void)
 {
+	/* Firstly, register PIXIS GPIOs. */
+	simple_gpiochip_init("fsl,fpga-pixis-gpio-bank");
+
 	/* Without this call, the SSI device driver won't get probed. */
 	of_platform_bus_probe(NULL, mpc8610_ids, NULL);
 
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index c4ec49b5f7f8..66327024a6a6 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -19,15 +19,16 @@
 #include <linux/delay.h>
 #include <linux/seq_file.h>
 #include <linux/of_platform.h>
+#include <linux/lmb.h>
 
 #include <asm/system.h>
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc86xx.h>
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>
+#include <asm/swiotlb.h>
 
 #include <asm/mpic.h>
 
@@ -71,7 +72,9 @@ mpc86xx_hpcn_setup_arch(void)
 {
 #ifdef CONFIG_PCI
 	struct device_node *np;
+	struct pci_controller *hose;
 #endif
+	dma_addr_t max = 0xffffffff;
 
 	if (ppc_md.progress)
 		ppc_md.progress("mpc86xx_hpcn_setup_arch()", 0);
@@ -84,6 +87,9 @@ mpc86xx_hpcn_setup_arch(void)
 			fsl_add_bridge(np, 1);
 		else
 			fsl_add_bridge(np, 0);
+		hose = pci_find_hose_for_OF_device(np);
+		max = min(max, hose->dma_window_base_cur +
+			  hose->dma_window_size);
 	}
 
 	ppc_md.pci_exclude_device = mpc86xx_exclude_device;
@@ -95,6 +101,13 @@ mpc86xx_hpcn_setup_arch(void)
 #ifdef CONFIG_SMP
 	mpc86xx_smp_init();
 #endif
+
+#ifdef CONFIG_SWIOTLB
+	if (lmb_end_of_DRAM() > max) {
+		ppc_swiotlb_enable = 1;
+		set_pci_dma_ops(&swiotlb_pci_dma_ops);
+	}
+#endif
 }
 
 
@@ -159,6 +172,7 @@ static int __init declare_of_platform_devices(void)
 	return 0;
 }
 machine_device_initcall(mpc86xx_hpcn, declare_of_platform_devices);
+machine_arch_initcall(mpc86xx_hpcn, swiotlb_setup_bus_notifier);
 
 define_machine(mpc86xx_hpcn) {
 	.name			= "MPC86xx HPCN",
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_smp.c b/arch/powerpc/platforms/86xx/mpc86xx_smp.c
index 014e26cda08d..d84bbb508ee7 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_smp.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_smp.c
@@ -20,7 +20,6 @@
 #include <asm/pgtable.h>
 #include <asm/pci-bridge.h>
 #include <asm/mpic.h>
-#include <asm/mpc86xx.h>
 #include <asm/cacheflush.h>
 
 #include <sysdev/fsl_soc.h>
@@ -30,6 +29,11 @@
 extern void __secondary_start_mpc86xx(void);
 extern unsigned long __secondary_hold_acknowledge;
 
+#define MCM_PORT_CONFIG_OFFSET	0x10
+
+/* Offset from CCSRBAR */
+#define MPC86xx_MCM_OFFSET      (0x1000)
+#define MPC86xx_MCM_SIZE        (0x1000)
 
 static void __init
 smp_86xx_release_core(int nr)
@@ -48,6 +52,8 @@ smp_86xx_release_core(int nr)
 	pcr = in_be32(mcm_vaddr + (MCM_PORT_CONFIG_OFFSET >> 2));
 	pcr |= 1 << (nr + 24);
 	out_be32(mcm_vaddr + (MCM_PORT_CONFIG_OFFSET >> 2), pcr);
+
+	iounmap(mcm_vaddr);
 }
 
 
diff --git a/arch/powerpc/platforms/86xx/sbc8641d.c b/arch/powerpc/platforms/86xx/sbc8641d.c
index 2886a36fc085..51c8f331b671 100644
--- a/arch/powerpc/platforms/86xx/sbc8641d.c
+++ b/arch/powerpc/platforms/86xx/sbc8641d.c
@@ -25,7 +25,6 @@
 #include <asm/time.h>
 #include <asm/machdep.h>
 #include <asm/pci-bridge.h>
-#include <asm/mpc86xx.h>
 #include <asm/prom.h>
 #include <mm/mmu_decl.h>
 #include <asm/udbg.h>