[PATCH v2] MIPS: OCTEON: Use correct CSR to soft reset

From: Aleksey Makarov
Date: Fri Mar 06 2015 - 06:04:56 EST


From: Chandrakala Chavva <cchavva@xxxxxxxxxxxxxxxxxx>

Also delete unused cvmx_reset_octeon()
This fixes reboot for Octeon III boards

Signed-off-by: Chandrakala Chavva <cchavva@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Aleksey Makarov <aleksey.makarov@xxxxxxxxxx>
---
arch/mips/cavium-octeon/setup.c | 5 ++++-
arch/mips/include/asm/octeon/cvmx.h | 8 --------
2 files changed, 4 insertions(+), 9 deletions(-)

Changes in v2:
- cvmx_reset_octeon() is removed

v1:
https://lkml.kernel.org/g/<1425567974-31912-1-git-send-email-aleksey.makarov@xxxxxxxxxx>


diff --git a/arch/mips/cavium-octeon/setup.c b/arch/mips/cavium-octeon/setup.c
index 01130e9..73348af 100644
--- a/arch/mips/cavium-octeon/setup.c
+++ b/arch/mips/cavium-octeon/setup.c
@@ -416,7 +416,10 @@ static void octeon_restart(char *command)

mb();
while (1)
- cvmx_write_csr(CVMX_CIU_SOFT_RST, 1);
+ if (OCTEON_IS_OCTEON3())
+ cvmx_write_csr(CVMX_RST_SOFT_RST, 1);
+ else
+ cvmx_write_csr(CVMX_CIU_SOFT_RST, 1);
}


diff --git a/arch/mips/include/asm/octeon/cvmx.h b/arch/mips/include/asm/octeon/cvmx.h
index 33db1c8..774bb45 100644
--- a/arch/mips/include/asm/octeon/cvmx.h
+++ b/arch/mips/include/asm/octeon/cvmx.h
@@ -436,14 +436,6 @@ static inline uint64_t cvmx_get_cycle_global(void)

/***************************************************************************/

-static inline void cvmx_reset_octeon(void)
-{
- union cvmx_ciu_soft_rst ciu_soft_rst;
- ciu_soft_rst.u64 = 0;
- ciu_soft_rst.s.soft_rst = 1;
- cvmx_write_csr(CVMX_CIU_SOFT_RST, ciu_soft_rst.u64);
-}
-
/* Return the number of cores available in the chip */
static inline uint32_t cvmx_octeon_num_cores(void)
{
--
2.3.0

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