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-rw-r--r--arch/tile/include/arch/mpipe.h24
-rw-r--r--arch/tile/include/arch/mpipe_constants.h6
-rw-r--r--arch/tile/include/arch/mpipe_shm.h54
-rw-r--r--arch/tile/include/arch/trio_constants.h10
4 files changed, 59 insertions, 35 deletions
diff --git a/arch/tile/include/arch/mpipe.h b/arch/tile/include/arch/mpipe.h
index 8a33912fd6cc..904538e754d8 100644
--- a/arch/tile/include/arch/mpipe.h
+++ b/arch/tile/include/arch/mpipe.h
@@ -176,7 +176,18 @@ typedef union
*/
uint_reg_t stack_idx : 5;
/* Reserved. */
- uint_reg_t __reserved_2 : 5;
+ uint_reg_t __reserved_2 : 3;
+ /*
+ * Instance ID. For devices that support automatic buffer return between
+ * mPIPE instances, this field indicates the buffer owner. If the INST
+ * field does not match the mPIPE's instance number when a packet is
+ * egressed, buffers with HWB set will be returned to the other mPIPE
+ * instance. Note that not all devices support multi-mPIPE buffer
+ * return. The MPIPE_EDMA_INFO.REMOTE_BUFF_RTN_SUPPORT bit indicates
+ * whether the INST field in the buffer descriptor is populated by iDMA
+ * hardware. This field is ignored on writes.
+ */
+ uint_reg_t inst : 2;
/*
* Reads as one to indicate that this is a hardware managed buffer.
* Ignored on writes since all buffers on a given stack are the same size.
@@ -205,7 +216,8 @@ typedef union
uint_reg_t c : 2;
uint_reg_t size : 3;
uint_reg_t hwb : 1;
- uint_reg_t __reserved_2 : 5;
+ uint_reg_t inst : 2;
+ uint_reg_t __reserved_2 : 3;
uint_reg_t stack_idx : 5;
uint_reg_t __reserved_1 : 6;
int_reg_t va : 35;
@@ -231,9 +243,9 @@ typedef union
/* Reserved. */
uint_reg_t __reserved_0 : 3;
/* eDMA ring being accessed */
- uint_reg_t ring : 5;
+ uint_reg_t ring : 6;
/* Reserved. */
- uint_reg_t __reserved_1 : 18;
+ uint_reg_t __reserved_1 : 17;
/*
* This field of the address selects the region (address space) to be
* accessed. For the egress DMA post region, this field must be 5.
@@ -250,8 +262,8 @@ typedef union
uint_reg_t svc_dom : 5;
uint_reg_t __reserved_2 : 6;
uint_reg_t region : 3;
- uint_reg_t __reserved_1 : 18;
- uint_reg_t ring : 5;
+ uint_reg_t __reserved_1 : 17;
+ uint_reg_t ring : 6;
uint_reg_t __reserved_0 : 3;
#endif
};
diff --git a/arch/tile/include/arch/mpipe_constants.h b/arch/tile/include/arch/mpipe_constants.h
index 410a0400e055..84022ac5fe82 100644
--- a/arch/tile/include/arch/mpipe_constants.h
+++ b/arch/tile/include/arch/mpipe_constants.h
@@ -16,13 +16,13 @@
#ifndef __ARCH_MPIPE_CONSTANTS_H__
#define __ARCH_MPIPE_CONSTANTS_H__
-#define MPIPE_NUM_CLASSIFIERS 10
+#define MPIPE_NUM_CLASSIFIERS 16
#define MPIPE_CLS_MHZ 1200
-#define MPIPE_NUM_EDMA_RINGS 32
+#define MPIPE_NUM_EDMA_RINGS 64
#define MPIPE_NUM_SGMII_MACS 16
-#define MPIPE_NUM_XAUI_MACS 4
+#define MPIPE_NUM_XAUI_MACS 16
#define MPIPE_NUM_LOOPBACK_CHANNELS 4
#define MPIPE_NUM_NON_LB_CHANNELS 28
diff --git a/arch/tile/include/arch/mpipe_shm.h b/arch/tile/include/arch/mpipe_shm.h
index f2e9e122818d..13b3c4300e50 100644
--- a/arch/tile/include/arch/mpipe_shm.h
+++ b/arch/tile/include/arch/mpipe_shm.h
@@ -44,8 +44,14 @@ typedef union
* descriptors toggles each time the ring tail pointer wraps.
*/
uint_reg_t gen : 1;
+ /**
+ * For devices with EDMA reorder support, this field allows the
+ * descriptor to select the egress FIFO. The associated DMA ring must
+ * have ALLOW_EFIFO_SEL enabled.
+ */
+ uint_reg_t efifo_sel : 6;
/** Reserved. Must be zero. */
- uint_reg_t r0 : 7;
+ uint_reg_t r0 : 1;
/** Checksum generation enabled for this transfer. */
uint_reg_t csum : 1;
/**
@@ -110,7 +116,8 @@ typedef union
uint_reg_t notif : 1;
uint_reg_t ns : 1;
uint_reg_t csum : 1;
- uint_reg_t r0 : 7;
+ uint_reg_t r0 : 1;
+ uint_reg_t efifo_sel : 6;
uint_reg_t gen : 1;
#endif
@@ -126,14 +133,16 @@ typedef union
/** Reserved. */
uint_reg_t __reserved_1 : 3;
/**
- * Instance ID. For devices that support more than one mPIPE instance,
- * this field indicates the buffer owner. If the INST field does not
- * match the mPIPE's instance number when a packet is egressed, buffers
- * with HWB set will be returned to the other mPIPE instance.
+ * Instance ID. For devices that support automatic buffer return between
+ * mPIPE instances, this field indicates the buffer owner. If the INST
+ * field does not match the mPIPE's instance number when a packet is
+ * egressed, buffers with HWB set will be returned to the other mPIPE
+ * instance. Note that not all devices support multi-mPIPE buffer
+ * return. The MPIPE_EDMA_INFO.REMOTE_BUFF_RTN_SUPPORT bit indicates
+ * whether the INST field in the buffer descriptor is populated by iDMA
+ * hardware.
*/
- uint_reg_t inst : 1;
- /** Reserved. */
- uint_reg_t __reserved_2 : 1;
+ uint_reg_t inst : 2;
/**
* Always set to one by hardware in iDMA packet descriptors. For eDMA,
* indicates whether the buffer will be released to the buffer stack
@@ -166,8 +175,7 @@ typedef union
uint_reg_t c : 2;
uint_reg_t size : 3;
uint_reg_t hwb : 1;
- uint_reg_t __reserved_2 : 1;
- uint_reg_t inst : 1;
+ uint_reg_t inst : 2;
uint_reg_t __reserved_1 : 3;
uint_reg_t stack_idx : 5;
uint_reg_t __reserved_0 : 6;
@@ -408,7 +416,10 @@ typedef union
/**
* Sequence number applied when packet is distributed. Classifier
* selects which sequence number is to be applied by writing the 13-bit
- * SQN-selector into this field.
+ * SQN-selector into this field. For devices that support EXT_SQN (as
+ * indicated in IDMA_INFO.EXT_SQN_SUPPORT), the GP_SQN can be extended to
+ * 32-bits via the IDMA_CTL.EXT_SQN register. In this case the
+ * PACKET_SQN will be reduced to 32 bits.
*/
uint_reg_t gp_sqn : 16;
/**
@@ -451,14 +462,16 @@ typedef union
/** Reserved. */
uint_reg_t __reserved_5 : 3;
/**
- * Instance ID. For devices that support more than one mPIPE instance,
- * this field indicates the buffer owner. If the INST field does not
- * match the mPIPE's instance number when a packet is egressed, buffers
- * with HWB set will be returned to the other mPIPE instance.
+ * Instance ID. For devices that support automatic buffer return between
+ * mPIPE instances, this field indicates the buffer owner. If the INST
+ * field does not match the mPIPE's instance number when a packet is
+ * egressed, buffers with HWB set will be returned to the other mPIPE
+ * instance. Note that not all devices support multi-mPIPE buffer
+ * return. The MPIPE_EDMA_INFO.REMOTE_BUFF_RTN_SUPPORT bit indicates
+ * whether the INST field in the buffer descriptor is populated by iDMA
+ * hardware.
*/
- uint_reg_t inst : 1;
- /** Reserved. */
- uint_reg_t __reserved_6 : 1;
+ uint_reg_t inst : 2;
/**
* Always set to one by hardware in iDMA packet descriptors. For eDMA,
* indicates whether the buffer will be released to the buffer stack
@@ -491,8 +504,7 @@ typedef union
uint_reg_t c : 2;
uint_reg_t size : 3;
uint_reg_t hwb : 1;
- uint_reg_t __reserved_6 : 1;
- uint_reg_t inst : 1;
+ uint_reg_t inst : 2;
uint_reg_t __reserved_5 : 3;
uint_reg_t stack_idx : 5;
uint_reg_t __reserved_4 : 6;
diff --git a/arch/tile/include/arch/trio_constants.h b/arch/tile/include/arch/trio_constants.h
index 628b045436b8..85647e91a458 100644
--- a/arch/tile/include/arch/trio_constants.h
+++ b/arch/tile/include/arch/trio_constants.h
@@ -16,21 +16,21 @@
#ifndef __ARCH_TRIO_CONSTANTS_H__
#define __ARCH_TRIO_CONSTANTS_H__
-#define TRIO_NUM_ASIDS 16
+#define TRIO_NUM_ASIDS 32
#define TRIO_NUM_TLBS_PER_ASID 16
#define TRIO_NUM_TPIO_REGIONS 8
#define TRIO_LOG2_NUM_TPIO_REGIONS 3
-#define TRIO_NUM_MAP_MEM_REGIONS 16
-#define TRIO_LOG2_NUM_MAP_MEM_REGIONS 4
+#define TRIO_NUM_MAP_MEM_REGIONS 32
+#define TRIO_LOG2_NUM_MAP_MEM_REGIONS 5
#define TRIO_NUM_MAP_SQ_REGIONS 8
#define TRIO_LOG2_NUM_MAP_SQ_REGIONS 3
#define TRIO_LOG2_NUM_SQ_FIFO_ENTRIES 6
-#define TRIO_NUM_PUSH_DMA_RINGS 32
+#define TRIO_NUM_PUSH_DMA_RINGS 64
-#define TRIO_NUM_PULL_DMA_RINGS 32
+#define TRIO_NUM_PULL_DMA_RINGS 64
#endif /* __ARCH_TRIO_CONSTANTS_H__ */