245 lines
		
	
	
		
			6.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			245 lines
		
	
	
		
			6.1 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright 2014-2015 Freescale Semiconductor, Inc.
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|  *
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|  * SPDX-License-Identifier:	GPL-2.0+
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|  */
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| 
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| #include <common.h>
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| #include <efi_loader.h>
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| #include <libfdt.h>
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| #include <fdt_support.h>
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| #include <phy.h>
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| #ifdef CONFIG_FSL_LSCH3
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| #include <asm/arch/fdt.h>
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| #endif
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| #ifdef CONFIG_FSL_ESDHC
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| #include <fsl_esdhc.h>
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| #endif
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| #ifdef CONFIG_SYS_DPAA_FMAN
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| #include <fsl_fman.h>
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| #endif
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| #ifdef CONFIG_MP
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| #include <asm/arch/mp.h>
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| #endif
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| #include <fsl_sec.h>
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| #include <asm/arch-fsl-layerscape/soc.h>
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| #ifdef CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT
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| #include <asm/armv8/sec_firmware.h>
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| #endif
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| 
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| int fdt_fixup_phy_connection(void *blob, int offset, phy_interface_t phyc)
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| {
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| 	return fdt_setprop_string(blob, offset, "phy-connection-type",
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| 					 phy_string_for_interface(phyc));
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| }
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| 
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| #ifdef CONFIG_MP
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| void ft_fixup_cpu(void *blob)
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| {
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| 	int off;
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| 	__maybe_unused u64 spin_tbl_addr = (u64)get_spin_tbl_addr();
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| 	fdt32_t *reg;
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| 	int addr_cells;
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| 	u64 val, core_id;
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| 	size_t *boot_code_size = &(__secondary_boot_code_size);
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| #if defined(CONFIG_ARMV8_SEC_FIRMWARE_SUPPORT) && \
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| 	defined(CONFIG_FSL_PPA_ARMV8_PSCI)
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| 	int node;
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| 	u32 psci_ver;
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| 
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| 	/* Check the psci version to determine if the psci is supported */
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| 	psci_ver = sec_firmware_support_psci_version();
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| 	if (psci_ver == 0xffffffff) {
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| 		/* remove psci DT node */
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| 		node = fdt_path_offset(blob, "/psci");
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| 		if (node >= 0)
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| 			goto remove_psci_node;
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| 
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| 		node = fdt_node_offset_by_compatible(blob, -1, "arm,psci");
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| 		if (node >= 0)
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| 			goto remove_psci_node;
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| 
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| 		node = fdt_node_offset_by_compatible(blob, -1, "arm,psci-0.2");
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| 		if (node >= 0)
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| 			goto remove_psci_node;
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| 
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| 		node = fdt_node_offset_by_compatible(blob, -1, "arm,psci-1.0");
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| 		if (node >= 0)
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| 			goto remove_psci_node;
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| 
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| remove_psci_node:
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| 		if (node >= 0)
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| 			fdt_del_node(blob, node);
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| 	} else {
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| 		return;
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| 	}
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| #endif
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| 	off = fdt_path_offset(blob, "/cpus");
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| 	if (off < 0) {
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| 		puts("couldn't find /cpus node\n");
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| 		return;
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| 	}
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| 	of_bus_default_count_cells(blob, off, &addr_cells, NULL);
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| 
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| 	off = fdt_node_offset_by_prop_value(blob, -1, "device_type", "cpu", 4);
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| 	while (off != -FDT_ERR_NOTFOUND) {
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| 		reg = (fdt32_t *)fdt_getprop(blob, off, "reg", 0);
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| 		if (reg) {
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| 			core_id = of_read_number(reg, addr_cells);
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| 			if (core_id  == 0 || (is_core_online(core_id))) {
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| 				val = spin_tbl_addr;
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| 				val += id_to_core(core_id) *
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| 				       SPIN_TABLE_ELEM_SIZE;
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| 				val = cpu_to_fdt64(val);
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| 				fdt_setprop_string(blob, off, "enable-method",
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| 						   "spin-table");
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| 				fdt_setprop(blob, off, "cpu-release-addr",
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| 					    &val, sizeof(val));
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| 			} else {
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| 				debug("skipping offline core\n");
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| 			}
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| 		} else {
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| 			puts("Warning: found cpu node without reg property\n");
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| 		}
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| 		off = fdt_node_offset_by_prop_value(blob, off, "device_type",
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| 						    "cpu", 4);
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| 	}
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| 
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| 	fdt_add_mem_rsv(blob, (uintptr_t)&secondary_boot_code,
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| 			*boot_code_size);
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| #if defined(CONFIG_EFI_LOADER) && !defined(CONFIG_SPL_BUILD)
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| 	efi_add_memory_map((uintptr_t)&secondary_boot_code,
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| 			   ALIGN(*boot_code_size, EFI_PAGE_SIZE) >> EFI_PAGE_SHIFT,
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| 			   EFI_RESERVED_MEMORY_TYPE, false);
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| #endif
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| }
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| #endif
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| 
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| void fsl_fdt_disable_usb(void *blob)
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| {
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| 	int off;
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| 	/*
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| 	 * SYSCLK is used as a reference clock for USB. When the USB
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| 	 * controller is used, SYSCLK must meet the additional requirement
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| 	 * of 100 MHz.
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| 	 */
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| 	if (CONFIG_SYS_CLK_FREQ != 100000000) {
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| 		off = fdt_node_offset_by_compatible(blob, -1, "snps,dwc3");
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| 		while (off != -FDT_ERR_NOTFOUND) {
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| 			fdt_status_disabled(blob, off);
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| 			off = fdt_node_offset_by_compatible(blob, off,
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| 							    "snps,dwc3");
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| 		}
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| 	}
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| }
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| 
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| #ifdef CONFIG_HAS_FEATURE_GIC64K_ALIGN
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| static void fdt_fixup_gic(void *blob)
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| {
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| 	int offset, err;
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| 	u64 reg[8];
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| 	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
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| 	unsigned int val;
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| 	struct ccsr_scfg __iomem *scfg = (void *)CONFIG_SYS_FSL_SCFG_ADDR;
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| 	int align_64k = 0;
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| 
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| 	val = gur_in32(&gur->svr);
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| 
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| 	if (SVR_SOC_VER(val) != SVR_LS1043A) {
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| 		align_64k = 1;
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| 	} else if (SVR_REV(val) != REV1_0) {
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| 		val = scfg_in32(&scfg->gic_align) & (0x01 << GIC_ADDR_BIT);
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| 		if (!val)
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| 			align_64k = 1;
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| 	}
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| 
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| 	offset = fdt_subnode_offset(blob, 0, "interrupt-controller@1400000");
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| 	if (offset < 0) {
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| 		printf("WARNING: fdt_subnode_offset can't find node %s: %s\n",
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| 		       "interrupt-controller@1400000", fdt_strerror(offset));
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| 		return;
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| 	}
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| 
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| 	/* Fixup gic node align with 64K */
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| 	if (align_64k) {
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| 		reg[0] = cpu_to_fdt64(GICD_BASE_64K);
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| 		reg[1] = cpu_to_fdt64(GICD_SIZE_64K);
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| 		reg[2] = cpu_to_fdt64(GICC_BASE_64K);
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| 		reg[3] = cpu_to_fdt64(GICC_SIZE_64K);
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| 		reg[4] = cpu_to_fdt64(GICH_BASE_64K);
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| 		reg[5] = cpu_to_fdt64(GICH_SIZE_64K);
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| 		reg[6] = cpu_to_fdt64(GICV_BASE_64K);
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| 		reg[7] = cpu_to_fdt64(GICV_SIZE_64K);
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| 	} else {
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| 	/* Fixup gic node align with default */
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| 		reg[0] = cpu_to_fdt64(GICD_BASE);
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| 		reg[1] = cpu_to_fdt64(GICD_SIZE);
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| 		reg[2] = cpu_to_fdt64(GICC_BASE);
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| 		reg[3] = cpu_to_fdt64(GICC_SIZE);
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| 		reg[4] = cpu_to_fdt64(GICH_BASE);
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| 		reg[5] = cpu_to_fdt64(GICH_SIZE);
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| 		reg[6] = cpu_to_fdt64(GICV_BASE);
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| 		reg[7] = cpu_to_fdt64(GICV_SIZE);
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| 	}
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| 
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| 	err = fdt_setprop(blob, offset, "reg", reg, sizeof(reg));
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| 	if (err < 0) {
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| 		printf("WARNING: fdt_setprop can't set %s from node %s: %s\n",
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| 		       "reg", "interrupt-controller@1400000",
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| 		       fdt_strerror(err));
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| 		return;
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| 	}
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| 
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| 	return;
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| }
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| #endif
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| 
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| void ft_cpu_setup(void *blob, bd_t *bd)
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| {
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| #ifdef CONFIG_FSL_LSCH2
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| 	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
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| 	unsigned int svr = in_be32(&gur->svr);
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| 
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| 	/* delete crypto node if not on an E-processor */
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| 	if (!IS_E_PROCESSOR(svr))
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| 		fdt_fixup_crypto_node(blob, 0);
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| #if CONFIG_SYS_FSL_SEC_COMPAT >= 4
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| 	else {
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| 		ccsr_sec_t __iomem *sec;
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| 
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| 		sec = (void __iomem *)CONFIG_SYS_FSL_SEC_ADDR;
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| 		fdt_fixup_crypto_node(blob, sec_in32(&sec->secvid_ms));
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| 	}
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| #endif
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| #endif
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| 
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| #ifdef CONFIG_MP
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| 	ft_fixup_cpu(blob);
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| #endif
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| 
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| #ifdef CONFIG_SYS_NS16550
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| 	do_fixup_by_compat_u32(blob, "fsl,ns16550",
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| 			       "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
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| #endif
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| 
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| 	do_fixup_by_compat_u32(blob, "fixed-clock",
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| 			       "clock-frequency", CONFIG_SYS_CLK_FREQ, 1);
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| 
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| #ifdef CONFIG_PCI
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| 	ft_pci_setup(blob, bd);
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| #endif
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| 
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| #ifdef CONFIG_FSL_ESDHC
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| 	fdt_fixup_esdhc(blob, bd);
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| #endif
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| 
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| #ifdef CONFIG_SYS_DPAA_FMAN
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| 	fdt_fixup_fman_firmware(blob);
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| #endif
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| 	fsl_fdt_disable_usb(blob);
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| 
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| #ifdef CONFIG_HAS_FEATURE_GIC64K_ALIGN
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| 	fdt_fixup_gic(blob);
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| #endif
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| }
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