powerpc/fsl-rio: add support for mapping inbound windows
Add support for mapping and unmapping of inbound rapidio windows. This
allows for drivers to open up a part of local memory on the rapidio
network. Also applications can use this and tranfer blocks of data
over the network.
Signed-off-by: Martijn de Gouw <[email protected]>
[[email protected]: updated commit message based on review]
Signed-off-by: Scott Wood <[email protected]>
diff --git a/arch/powerpc/sysdev/fsl_rio.h b/arch/powerpc/sysdev/fsl_rio.h
index ae8e2740..d53407a 100644
--- a/arch/powerpc/sysdev/fsl_rio.h
+++ b/arch/powerpc/sysdev/fsl_rio.h
@@ -50,9 +50,12 @@
#define RIO_S_DBELL_REGS_OFFSET 0x13400
#define RIO_S_PW_REGS_OFFSET 0x134e0
#define RIO_ATMU_REGS_DBELL_OFFSET 0x10C40
+#define RIO_INB_ATMU_REGS_PORT1_OFFSET 0x10d60
+#define RIO_INB_ATMU_REGS_PORT2_OFFSET 0x10f60
#define MAX_MSG_UNIT_NUM 2
#define MAX_PORT_NUM 4
+#define RIO_INB_ATMU_COUNT 4
struct rio_atmu_regs {
u32 rowtar;
@@ -63,6 +66,15 @@
u32 pad2[3];
};
+struct rio_inb_atmu_regs {
+ u32 riwtar;
+ u32 pad1;
+ u32 riwbar;
+ u32 pad2;
+ u32 riwar;
+ u32 pad3[3];
+};
+
struct rio_dbell_ring {
void *virt;
dma_addr_t phys;
@@ -99,6 +111,7 @@
void __iomem *regs_win;
struct rio_atmu_regs __iomem *atmu_regs;
struct rio_atmu_regs __iomem *maint_atmu_regs;
+ struct rio_inb_atmu_regs __iomem *inb_atmu_regs;
void __iomem *maint_win;
void *rmm_handle; /* RapidIO message manager(unit) Handle */
};
