diff options
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-lsch3/fdt.c')
-rw-r--r-- | arch/arm/cpu/armv8/fsl-lsch3/fdt.c | 189 |
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); -} |