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-rw-r--r--arch/arm/cpu/armv8/fsl-layerscape/fdt.c113
1 files changed, 0 insertions, 113 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
index 9c18fd7a16..1e875c4b08 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/fdt.c
@@ -73,115 +73,6 @@ void ft_fixup_cpu(void *blob)
}
#endif
-/*
- * the burden is on the the caller to not request a count
- * exceeding the bounds of the stream_ids[] array
- */
-void alloc_stream_ids(int start_id, int count, u32 *stream_ids, int max_cnt)
-{
- int i;
-
- if (count > max_cnt) {
- printf("\n%s: ERROR: max per-device stream ID count exceed\n",
- __func__);
- return;
- }
-
- for (i = 0; i < count; i++)
- stream_ids[i] = start_id++;
-}
-
-/*
- * This function updates the mmu-masters property on the SMMU
- * node as per the SMMU binding-- phandle and list of stream IDs
- * for each MMU master.
- */
-void append_mmu_masters(void *blob, const char *smmu_path,
- const char *master_name, u32 *stream_ids, int count)
-{
- u32 phandle;
- int smmu_nodeoffset;
- int master_nodeoffset;
- int i;
-
- /* get phandle of mmu master device */
- master_nodeoffset = fdt_path_offset(blob, master_name);
- if (master_nodeoffset < 0) {
- printf("\n%s: ERROR: master not found\n", __func__);
- return;
- }
- phandle = fdt_get_phandle(blob, master_nodeoffset);
- if (!phandle) { /* if master has no phandle, create one */
- phandle = fdt_create_phandle(blob, master_nodeoffset);
- if (!phandle) {
- printf("\n%s: ERROR: unable to create phandle\n",
- __func__);
- return;
- }
- }
-
- /* append it to mmu-masters */
- smmu_nodeoffset = fdt_path_offset(blob, smmu_path);
- if (fdt_appendprop_u32(blob, smmu_nodeoffset, "mmu-masters",
- phandle) < 0) {
- printf("\n%s: ERROR: unable to update SMMU node\n", __func__);
- return;
- }
-
- /* for each stream ID, append to mmu-masters */
- for (i = 0; i < count; i++) {
- fdt_appendprop_u32(blob, smmu_nodeoffset, "mmu-masters",
- stream_ids[i]);
- }
-
- /* fix up #stream-id-cells with stream ID count */
- if (fdt_setprop_u32(blob, master_nodeoffset, "#stream-id-cells",
- count) < 0)
- printf("\n%s: ERROR: unable to update #stream-id-cells\n",
- __func__);
-}
-
-
-/*
- * The info below summarizes how streamID partitioning works
- * for ls2080a and how it is conveyed to the OS via the device tree.
- *
- * -non-PCI legacy, platform devices (USB, SD/MMC, SATA, DMA)
- * -all legacy devices get a unique ICID assigned and programmed in
- * their AMQR registers by u-boot
- * -u-boot updates the hardware device tree with streamID properties
- * for each platform/legacy device (smmu-masters property)
- *
- * -PCIe
- * -for each PCI controller that is active (as per RCW settings),
- * u-boot will allocate a range of ICID and convey that to Linux via
- * the device tree (smmu-masters property)
- *
- * -DPAA2
- * -u-boot will allocate a range of ICIDs to be used by the Management
- * Complex for containers and will set these values in the MC DPC image.
- * -the MC is responsible for allocating and setting up ICIDs
- * for all DPAA2 devices.
- *
- */
-#ifdef CONFIG_FSL_LSCH3
-static void fdt_fixup_smmu(void *blob)
-{
- int nodeoffset;
-
- nodeoffset = fdt_path_offset(blob, "/iommu@5000000");
- if (nodeoffset < 0) {
- printf("\n%s: WARNING: no SMMU node found\n", __func__);
- return;
- }
-
- /* fixup for all PCI controllers */
-#ifdef CONFIG_PCI
- fdt_fixup_smmu_pcie(blob);
-#endif
-}
-#endif
-
void ft_cpu_setup(void *blob, bd_t *bd)
{
#ifdef CONFIG_MP
@@ -204,10 +95,6 @@ void ft_cpu_setup(void *blob, bd_t *bd)
fdt_fixup_esdhc(blob, bd);
#endif
-#ifdef CONFIG_FSL_LSCH3
- fdt_fixup_smmu(blob);
-#endif
-
#ifdef CONFIG_SYS_DPAA_FMAN
fdt_fixup_fman_firmware(blob);
#endif
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