119 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			119 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0
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| /*
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|  * Copyright (c) 2018 Google, Inc
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|  */
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| 
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| #include <common.h>
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| #include <debug_uart.h>
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| #include <spl.h>
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| #include <asm/cpu.h>
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| #include <asm/mtrr.h>
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| #include <asm/processor.h>
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| #include <asm-generic/sections.h>
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| 
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| DECLARE_GLOBAL_DATA_PTR;
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| 
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| __weak int arch_cpu_init_dm(void)
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| {
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| 	return 0;
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| }
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| 
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| static int x86_tpl_init(void)
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| {
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| 	int ret;
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| 
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| 	debug("%s starting\n", __func__);
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| 	ret = spl_init();
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| 	if (ret) {
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| 		debug("%s: spl_init() failed\n", __func__);
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| 		return ret;
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| 	}
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| 	ret = arch_cpu_init();
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| 	if (ret) {
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| 		debug("%s: arch_cpu_init() failed\n", __func__);
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| 		return ret;
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| 	}
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| 	ret = arch_cpu_init_dm();
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| 	if (ret) {
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| 		debug("%s: arch_cpu_init_dm() failed\n", __func__);
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| 		return ret;
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| 	}
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| 	preloader_console_init();
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| 	ret = print_cpuinfo();
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| 	if (ret) {
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| 		debug("%s: print_cpuinfo() failed\n", __func__);
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| 		return ret;
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| 	}
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| 
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| 	return 0;
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| }
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| 
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| void board_init_f(ulong flags)
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| {
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| 	int ret;
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| 
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| 	ret = x86_tpl_init();
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| 	if (ret) {
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| 		debug("Error %d\n", ret);
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| 		hang();
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| 	}
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| 
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| 	/* Uninit CAR and jump to board_init_f_r() */
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| 	board_init_r(gd, 0);
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| }
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| 
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| void board_init_f_r(void)
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| {
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| 	/* Not used since we never call board_init_f_r_trampoline() */
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| 	while (1);
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| }
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| 
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| u32 spl_boot_device(void)
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| {
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| 	return IS_ENABLED(CONFIG_CHROMEOS) ? BOOT_DEVICE_CROS_VBOOT :
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| 		BOOT_DEVICE_BOARD;
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| }
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| 
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| int spl_start_uboot(void)
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| {
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| 	return 0;
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| }
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| 
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| void spl_board_announce_boot_device(void)
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| {
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| 	printf("SPI flash");
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| }
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| 
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| static int spl_board_load_image(struct spl_image_info *spl_image,
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| 				struct spl_boot_device *bootdev)
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| {
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| 	spl_image->size = CONFIG_SYS_MONITOR_LEN;  /* We don't know SPL size */
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| 	spl_image->entry_point = CONFIG_SPL_TEXT_BASE;
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| 	spl_image->load_addr = CONFIG_SPL_TEXT_BASE;
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| 	spl_image->os = IH_OS_U_BOOT;
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| 	spl_image->name = "U-Boot";
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| 
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| 	debug("Loading to %lx\n", spl_image->load_addr);
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| 
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| 	return 0;
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| }
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| SPL_LOAD_IMAGE_METHOD("SPI", 0, BOOT_DEVICE_BOARD, spl_board_load_image);
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| 
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| int spl_spi_load_image(void)
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| {
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| 	return -EPERM;
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| }
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| 
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| void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
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| {
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| 	printf("Jumping to U-Boot SPL at %lx\n", (ulong)spl_image->entry_point);
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| 	jump_to_spl(spl_image->entry_point);
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| 	while (1)
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| 		;
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| }
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| 
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| void spl_board_init(void)
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| {
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| 	preloader_console_init();
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| }
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