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Diffstat (limited to 'arch/mips/cavium-octeon/setup.c')
-rw-r--r--arch/mips/cavium-octeon/setup.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 8b6b72a3e3c4..a42110e7edbc 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -41,6 +41,7 @@
#include <asm/octeon/octeon.h>
#include <asm/octeon/pci-octeon.h>
#include <asm/octeon/cvmx-mio-defs.h>
+#include <asm/octeon/cvmx-rst-defs.h>
extern struct plat_smp_ops octeon_smp_ops;
@@ -653,11 +654,16 @@ void __init prom_init(void)
sysinfo->dfa_ref_clock_hz = octeon_bootinfo->dfa_ref_clock_hz;
sysinfo->bootloader_config_flags = octeon_bootinfo->config_flags;
- if (OCTEON_IS_OCTEON2() || OCTEON_IS_OCTEON3()) {
+ if (OCTEON_IS_OCTEON2()) {
/* I/O clock runs at a different rate than the CPU. */
union cvmx_mio_rst_boot rst_boot;
rst_boot.u64 = cvmx_read_csr(CVMX_MIO_RST_BOOT);
octeon_io_clock_rate = 50000000 * rst_boot.s.pnr_mul;
+ } else if (OCTEON_IS_OCTEON3()) {
+ /* I/O clock runs at a different rate than the CPU. */
+ union cvmx_rst_boot rst_boot;
+ rst_boot.u64 = cvmx_read_csr(CVMX_RST_BOOT);
+ octeon_io_clock_rate = 50000000 * rst_boot.s.pnr_mul;
} else {
octeon_io_clock_rate = sysinfo->cpu_clock_hz;
}