MIPS: Add Cavium OCTEON PCI support.
This patch adds support for PCI and PCIe to the base Cavium OCTEON
processor support.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/include/asm/octeon/cvmx.h b/arch/mips/include/asm/octeon/cvmx.h
index 03fddfa..e31e3fe 100644
--- a/arch/mips/include/asm/octeon/cvmx.h
+++ b/arch/mips/include/asm/octeon/cvmx.h
@@ -376,6 +376,18 @@
}
/**
+ * 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