mips: add coherency argument to identity mapping

In order for a U-boot payload to work properly the soc_registers
region (device registers) needs to be mapped as uncached.
Therefore, add a coherency argument to the identity mapping funcion
which will establish the type of mapping.

Change-Id: I26fc546378acda4f4f8f4757fbc0adb03ac7db9f
Signed-off-by: Ionela Voinescu <ionela.voinescu@imgtec.com>
Reviewed-on: https://review.coreboot.org/12769
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/src/soc/imgtec/pistachio/bootblock.c b/src/soc/imgtec/pistachio/bootblock.c
index 5d38278942..eceb814447 100644
--- a/src/soc/imgtec/pistachio/bootblock.c
+++ b/src/soc/imgtec/pistachio/bootblock.c
@@ -54,7 +54,7 @@ static void bootblock_mmu_init(void)
 		dram_base += null_guard_size;
 		dram_size -= null_guard_size;
 	}
-
-	assert(!identity_map(dram_base, dram_size));
-	assert(!identity_map((uint32_t)_sram, _sram_size));
+	assert(!identity_map((uint32_t)_sram, _sram_size,
+						C0_ENTRYLO_COHERENCY_WB));
+	assert(!identity_map(dram_base, dram_size, C0_ENTRYLO_COHERENCY_WB));
 }