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-rw-r--r--arch/arm/mach-layerscape/ls102xa_stream_id.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-layerscape/ls102xa_stream_id.c b/arch/arm/mach-layerscape/ls102xa_stream_id.c
new file mode 100644
index 0000000000..fd9be35c1d
--- /dev/null
+++ b/arch/arm/mach-layerscape/ls102xa_stream_id.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2014 Freescale Semiconductor
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <soc/fsl/immap_lsch2.h>
+#include <mach/layerscape/layerscape.h>
+
+struct smmu_stream_id {
+ uint16_t offset;
+ uint16_t stream_id;
+ char dev_name[32];
+};
+
+static struct smmu_stream_id dev_stream_id[] = {
+ { 0x100, 0x01, "ETSEC MAC1" },
+ { 0x104, 0x02, "ETSEC MAC2" },
+ { 0x108, 0x03, "ETSEC MAC3" },
+ { 0x10c, 0x04, "PEX1" },
+ { 0x110, 0x05, "PEX2" },
+ { 0x114, 0x06, "qDMA" },
+ { 0x118, 0x07, "SATA" },
+ { 0x11c, 0x08, "USB3" },
+ { 0x120, 0x09, "QE" },
+ { 0x124, 0x0a, "eSDHC" },
+ { 0x128, 0x0b, "eMA" },
+ { 0x14c, 0x0c, "2D-ACE" },
+ { 0x150, 0x0d, "USB2" },
+ { 0x18c, 0x0e, "DEBUG" },
+};
+
+static void
+ls102xa_config_smmu_stream_id(struct smmu_stream_id *id, uint32_t num)
+{
+ void *scfg = (void *)LSCH2_SCFG_ADDR;
+ int i;
+ u32 icid;
+
+ for (i = 0; i < num; i++) {
+ icid = (id[i].stream_id & 0xff) << 24;
+ out_be32((u32 *)(scfg + id[i].offset), icid);
+ }
+}
+
+void ls102xa_smmu_stream_id_init(void)
+{
+ ls102xa_config_smmu_stream_id(dev_stream_id, ARRAY_SIZE(dev_stream_id));
+}