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Diffstat (limited to 'arch/mips/include/asm/octeon/cvmx.h')
-rw-r--r--arch/mips/include/asm/octeon/cvmx.h44
1 files changed, 31 insertions, 13 deletions
diff --git a/arch/mips/include/asm/octeon/cvmx.h b/arch/mips/include/asm/octeon/cvmx.h
index 9742202f2a32..25854abc95f8 100644
--- a/arch/mips/include/asm/octeon/cvmx.h
+++ b/arch/mips/include/asm/octeon/cvmx.h
@@ -30,6 +30,7 @@
#include <linux/kernel.h>
#include <linux/string.h>
+#include <linux/delay.h>
enum cvmx_mips_space {
CVMX_MIPS_SPACE_XKSEG = 3LL,
@@ -62,6 +63,7 @@ enum cvmx_mips_space {
#include <asm/octeon/cvmx-iob-defs.h>
#include <asm/octeon/cvmx-ipd-defs.h>
#include <asm/octeon/cvmx-l2c-defs.h>
+#include <asm/octeon/cvmx-l2d-defs.h>
#include <asm/octeon/cvmx-l2t-defs.h>
#include <asm/octeon/cvmx-led-defs.h>
#include <asm/octeon/cvmx-mio-defs.h>
@@ -356,6 +358,34 @@ static inline unsigned int cvmx_get_local_core_num(void)
return cvmx_get_core_num() & ((1 << CVMX_NODE_NO_SHIFT) - 1);
}
+#define CVMX_NODE_BITS (2) /* Number of bits to define a node */
+#define CVMX_MAX_NODES (1 << CVMX_NODE_BITS)
+#define CVMX_NODE_IO_SHIFT (36)
+#define CVMX_NODE_MEM_SHIFT (40)
+#define CVMX_NODE_IO_MASK ((uint64_t)CVMX_NODE_MASK << CVMX_NODE_IO_SHIFT)
+
+static inline void cvmx_write_csr_node(uint64_t node, uint64_t csr_addr,
+ uint64_t val)
+{
+ uint64_t composite_csr_addr, node_addr;
+
+ node_addr = (node & CVMX_NODE_MASK) << CVMX_NODE_IO_SHIFT;
+ composite_csr_addr = (csr_addr & ~CVMX_NODE_IO_MASK) | node_addr;
+
+ cvmx_write64_uint64(composite_csr_addr, val);
+ if (((csr_addr >> 40) & 0x7ffff) == (0x118))
+ cvmx_read64_uint64(CVMX_MIO_BOOT_BIST_STAT | node_addr);
+}
+
+static inline uint64_t cvmx_read_csr_node(uint64_t node, uint64_t csr_addr)
+{
+ uint64_t node_addr;
+
+ node_addr = (csr_addr & ~CVMX_NODE_IO_MASK) |
+ (node & CVMX_NODE_MASK) << CVMX_NODE_IO_SHIFT;
+ return cvmx_read_csr(node_addr);
+}
+
/**
* Returns the number of bits set in the provided value.
* Simple wrapper for POP instruction.
@@ -400,18 +430,6 @@ static inline uint64_t cvmx_get_cycle(void)
}
/**
- * Wait for the specified number of cycle
- *
- */
-static inline void cvmx_wait(uint64_t cycles)
-{
- uint64_t done = cvmx_get_cycle() + cycles;
-
- while (cvmx_get_cycle() < done)
- ; /* Spin */
-}
-
-/**
* Reads a chip global cycle counter. This counts CPU cycles since
* chip reset. The counter is 64 bit.
* This register does not exist on CN38XX pass 1 silicion
@@ -452,7 +470,7 @@ static inline uint64_t cvmx_get_cycle_global(void)
result = -1; \
break; \
} else \
- cvmx_wait(100); \
+ __delay(100); \
} \
} while (0); \
result; \
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