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authorXiubo Li <Li.Xiubo@freescale.com>2014-11-21 17:40:59 +0800
committerYork Sun <yorksun@freescale.com>2014-12-11 09:42:22 -0800
commit660673af4fd10c544ceeedeb524ba92c27dbc586 (patch)
tree2979c885f915d9aa5561a7977ac2c1b3543aa0ff /board/freescale/common
parente87f3b308c454f6e78b02da857936c7d012c385b (diff)
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ARM: ls102xa: Setting device's stream id for SMMUs.
LS1 has 4 SMMUs for address translation of the masters. All the SMMUs' stream IDs are 8-bit. The address translation depends on the stream ID of the incoming transaction. Each master has unique stream ID assigned to it and is configurable through SCFG registers. The stream ID for the masters is identical and share the same register field of STREAM ID registers. Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
Diffstat (limited to 'board/freescale/common')
-rw-r--r--board/freescale/common/Makefile2
-rw-r--r--board/freescale/common/ls102xa_stream_id.c18
2 files changed, 20 insertions, 0 deletions
diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile
index 148fc41..14af660 100644
--- a/board/freescale/common/Makefile
+++ b/board/freescale/common/Makefile
@@ -62,6 +62,8 @@ obj-$(CONFIG_IDT8T49N222A) += idt8t49n222a_serdes_clk.o
obj-$(CONFIG_ZM7300) += zm7300.o
obj-$(CONFIG_POWER_PFUZE100) += pfuze.o
+obj-$(CONFIG_LS102XA_STREAM_ID) += ls102xa_stream_id.o
+
# deal with common files for P-series corenet based devices
obj-$(CONFIG_P2041RDB) += p_corenet/
obj-$(CONFIG_P3041DS) += p_corenet/
diff --git a/board/freescale/common/ls102xa_stream_id.c b/board/freescale/common/ls102xa_stream_id.c
new file mode 100644
index 0000000..6154c9c
--- /dev/null
+++ b/board/freescale/common/ls102xa_stream_id.c
@@ -0,0 +1,18 @@
+/*
+ * Copyright 2014 Freescale Semiconductor
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/ls102xa_stream_id.h>
+
+void ls102xa_config_smmu_stream_id(struct smmu_stream_id *id, uint32_t num)
+{
+ uint32_t *scfg = (uint32_t *)CONFIG_SYS_FSL_SCFG_ADDR;
+ int i;
+
+ for (i = 0; i < num; i++)
+ out_be32(scfg + id[i].offset, id[i].stream_id);
+}