118 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			118 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
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| /*
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|  * (C) Copyright 2016 Beniamino Galvani <b.galvani@gmail.com>
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|  */
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| 
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| #include <common.h>
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| #include <asm/arch/boot.h>
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| #include <linux/libfdt.h>
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| #include <linux/err.h>
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| #include <asm/arch/mem.h>
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| #include <asm/arch/sm.h>
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| #include <asm/armv8/mmu.h>
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| #include <asm/unaligned.h>
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| #include <efi_loader.h>
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| 
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| DECLARE_GLOBAL_DATA_PTR;
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| 
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| __weak int board_init(void)
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| {
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| 	return 0;
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| }
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| 
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| int dram_init(void)
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| {
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| 	const fdt64_t *val;
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| 	int offset;
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| 	int len;
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| 
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| 	offset = fdt_path_offset(gd->fdt_blob, "/memory");
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| 	if (offset < 0)
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| 		return -EINVAL;
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| 
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| 	val = fdt_getprop(gd->fdt_blob, offset, "reg", &len);
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| 	if (len < sizeof(*val) * 2)
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| 		return -EINVAL;
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| 
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| 	/* Use unaligned access since cache is still disabled */
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| 	gd->ram_size = get_unaligned_be64(&val[1]);
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| 
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| 	return 0;
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| }
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| 
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| __weak int meson_ft_board_setup(void *blob, bd_t *bd)
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| {
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| 	return 0;
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| }
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| 
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| int ft_board_setup(void *blob, bd_t *bd)
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| {
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| 	meson_init_reserved_memory(blob);
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| 
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| 	return meson_ft_board_setup(blob, bd);
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| }
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| 
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| void meson_board_add_reserved_memory(void *fdt, u64 start, u64 size)
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| {
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| 	int ret;
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| 
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| 	ret = fdt_add_mem_rsv(fdt, start, size);
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| 	if (ret)
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| 		printf("Could not reserve zone @ 0x%llx\n", start);
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| 
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| 	if (IS_ENABLED(CONFIG_EFI_LOADER)) {
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| 		efi_add_memory_map(start,
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| 				   ALIGN(size, EFI_PAGE_SIZE) >> EFI_PAGE_SHIFT,
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| 				   EFI_RESERVED_MEMORY_TYPE, false);
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| 	}
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| }
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| 
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| static void meson_set_boot_source(void)
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| {
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| 	const char *source;
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| 
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| 	switch (meson_get_boot_device()) {
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| 	case BOOT_DEVICE_EMMC:
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| 		source = "emmc";
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| 		break;
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| 
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| 	case BOOT_DEVICE_NAND:
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| 		source = "nand";
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| 		break;
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| 
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| 	case BOOT_DEVICE_SPI:
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| 		source = "spi";
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| 		break;
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| 
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| 	case BOOT_DEVICE_SD:
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| 		source = "sd";
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| 		break;
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| 
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| 	case BOOT_DEVICE_USB:
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| 		source = "usb";
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| 		break;
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| 
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| 	default:
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| 		source = "unknown";
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| 	}
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| 
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| 	env_set("boot_source", source);
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| }
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| 
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| __weak int meson_board_late_init(void)
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| {
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| 	return 0;
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| }
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| 
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| int board_late_init(void)
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| {
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| 	meson_set_boot_source();
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| 
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| 	return meson_board_late_init();
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| }
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| 
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| void reset_cpu(ulong addr)
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| {
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| 	psci_system_reset();
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| }
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