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cell: add ps3 platform system bus support

PATCH In review Geoff Levand 1 participant 1 message Nov 10, 2006 PowerPC

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Geoff Levand

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PATCH 16/16 cell: add ps3 platform system bus support

Adds a PS3 Platform system bus driver. This system bus is a virtual bus used to present the ps3pf system devices in the LDM.

Signed-off-by Geoff Levand <[email protected]>
---
 arch/powerpc/kernel/dma_64.c |    9 +
 drivers/Makefile             |    1 
 drivers/ps3pf/Makefile       |    1 
 drivers/ps3pf/system-bus.c   |  356 +++++++++++++++++++++++++++++++++++++++++++
 include/asm-powerpc/ps3pf.h  |   75 +++++++++
 5 files changed, 442 insertions(+)
arch/powerpc/kernel/dma_64.c +9 -0
Index: cell--common--6/arch/powerpc/kernel/dma_64.c
===================================================================
@@ -11,6 +11,7 @@
 #include <linux/pci.h>
 #include <asm/vio.h>
 #include <asm/ibmebus.h>
+#include <asm/ps3pf.h>
 #include <asm/scatterlist.h>
 #include <asm/bug.h>
 

@@ -28,6 +29,10 @@
 	if (dev->bus == &ibmebus_bus_type)
 		return &ibmebus_dma_ops;
 #endif
+#ifdef CONFIG_PS3PF
+	if (dev->bus == &ps3pf_system_bus_type)
+		return &ps3pf_dma_ops;
+#endif
 	return NULL;
 }
 

@@ -55,6 +60,10 @@
 	if (dev->bus == &ibmebus_bus_type)
 		return -EIO;
 #endif
+#ifdef CONFIG_PS3PF
+	if (dev->bus == &ps3pf_system_bus_type)
+		return -EIO;
+#endif
 	BUG();
 	return 0;
 }
drivers/Makefile +1 -0
Index: cell--common--6/drivers/Makefile
===================================================================
@@ -77,3 +77,4 @@
 obj-$(CONFIG_SUPERH)		+= sh/
 obj-$(CONFIG_GENERIC_TIME)	+= clocksource/
 obj-$(CONFIG_DMA_ENGINE)	+= dma/
+obj-$(CONFIG_PS3PF)		+= ps3pf/
drivers/ps3pf/Makefile new file +1 -0
Index: cell--common--6/drivers/ps3pf/Makefile
===================================================================
@@ -0,0 +1 @@
+obj-$(CONFIG_PS3PF) += system-bus.o
drivers/ps3pf/system-bus.c new file +356 -0

356 lines not on this page · raw message

include/asm-powerpc/ps3pf.h +75 -0

79 lines not on this page · raw message