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Diffstat (limited to 'arch/arm/cpu/armv8/fsl-lsch3/fdt.c')
-rw-r--r--arch/arm/cpu/armv8/fsl-lsch3/fdt.c189
1 files changed, 0 insertions, 189 deletions
diff --git a/arch/arm/cpu/armv8/fsl-lsch3/fdt.c b/arch/arm/cpu/armv8/fsl-lsch3/fdt.c
deleted file mode 100644
index 922e8a0d6e..0000000000
--- a/arch/arm/cpu/armv8/fsl-lsch3/fdt.c
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
- * Copyright 2014 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <libfdt.h>
-#include <fdt_support.h>
-#include <asm/arch-fsl-lsch3/fdt.h>
-#ifdef CONFIG_FSL_ESDHC
-#include <fsl_esdhc.h>
-#endif
-#include "mp.h"
-
-#ifdef CONFIG_MP
-void ft_fixup_cpu(void *blob)
-{
- int off;
- __maybe_unused u64 spin_tbl_addr = (u64)get_spin_tbl_addr();
- fdt32_t *reg;
- int addr_cells;
- u64 val, core_id;
- size_t *boot_code_size = &(__secondary_boot_code_size);
-
- off = fdt_path_offset(blob, "/cpus");
- if (off < 0) {
- puts("couldn't find /cpus node\n");
- return;
- }
- of_bus_default_count_cells(blob, off, &addr_cells, NULL);
-
- off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
- while (off != -FDT_ERR_NOTFOUND) {
- reg = (fdt32_t *)fdt_getprop(blob, off, "reg", 0);
- if (reg) {
- core_id = of_read_number(reg, addr_cells);
- if (core_id == 0 || (is_core_online(core_id))) {
- val = spin_tbl_addr;
- val += id_to_core(core_id) *
- SPIN_TABLE_ELEM_SIZE;
- val = cpu_to_fdt64(val);
- fdt_setprop_string(blob, off, "enable-method",
- "spin-table");
- fdt_setprop(blob, off, "cpu-release-addr",
- &val, sizeof(val));
- } else {
- debug("skipping offline core\n");
- }
- } else {
- puts("Warning: found cpu node without reg property\n");
- }
- off = fdt_node_offset_by_prop_value(blob, off, "device_type",
- "cpu", 4);
- }
-
- fdt_add_mem_rsv(blob, (uintptr_t)&secondary_boot_code,
- *boot_code_size);
-}
-#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 ls2085a 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.
- *
- */
-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
-}
-
-void ft_cpu_setup(void *blob, bd_t *bd)
-{
-#ifdef CONFIG_MP
- ft_fixup_cpu(blob);
-#endif
-
-#ifdef CONFIG_SYS_NS16550
- do_fixup_by_compat_u32(blob, "fsl,ns16550",
- "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
-#endif
-
-#ifdef CONFIG_PCI
- ft_pci_setup(blob, bd);
-#endif
-
-#if defined(CONFIG_FSL_ESDHC)
- fdt_fixup_esdhc(blob, bd);
-#endif
-
- fdt_fixup_smmu(blob);
-}
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