154 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			154 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0+
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| /*
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|  * (C) Copyright 2012 Michal Simek <monstr@monstr.eu>
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|  * (C) Copyright 2013 - 2018 Xilinx, Inc.
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|  */
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| 
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| #include <common.h>
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| #include <init.h>
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| #include <log.h>
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| #include <dm/uclass.h>
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| #include <env.h>
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| #include <env_internal.h>
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| #include <fdtdec.h>
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| #include <fpga.h>
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| #include <malloc.h>
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| #include <mmc.h>
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| #include <watchdog.h>
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| #include <wdt.h>
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| #include <zynqpl.h>
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| #include <asm/global_data.h>
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| #include <asm/arch/hardware.h>
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| #include <asm/arch/sys_proto.h>
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| #include "../common/board.h"
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| 
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| DECLARE_GLOBAL_DATA_PTR;
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| 
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| int board_init(void)
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| {
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| 	if (IS_ENABLED(CONFIG_SPL_BUILD))
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| 		printf("Silicon version:\t%d\n", zynq_get_silicon_version());
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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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| 	int env_targets_len = 0;
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| 	const char *mode;
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| 	char *new_targets;
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| 	char *env_targets;
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| 
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| 	if (!(gd->flags & GD_FLG_ENV_DEFAULT)) {
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| 		debug("Saved variables - Skipping\n");
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| 		return 0;
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| 	}
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| 
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| 	if (!CONFIG_IS_ENABLED(ENV_VARS_UBOOT_RUNTIME_CONFIG))
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| 		return 0;
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| 
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| 	switch ((zynq_slcr_get_boot_mode()) & ZYNQ_BM_MASK) {
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| 	case ZYNQ_BM_QSPI:
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| 		mode = "qspi";
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| 		env_set("modeboot", "qspiboot");
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| 		break;
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| 	case ZYNQ_BM_NAND:
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| 		mode = "nand";
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| 		env_set("modeboot", "nandboot");
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| 		break;
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| 	case ZYNQ_BM_NOR:
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| 		mode = "nor";
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| 		env_set("modeboot", "norboot");
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| 		break;
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| 	case ZYNQ_BM_SD:
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| 		mode = "mmc0";
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| 		env_set("modeboot", "sdboot");
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| 		break;
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| 	case ZYNQ_BM_JTAG:
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| 		mode = "jtag pxe dhcp";
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| 		env_set("modeboot", "jtagboot");
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| 		break;
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| 	default:
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| 		mode = "";
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| 		env_set("modeboot", "");
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| 		break;
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| 	}
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| 
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| 	/*
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| 	 * One terminating char + one byte for space between mode
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| 	 * and default boot_targets
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| 	 */
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| 	env_targets = env_get("boot_targets");
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| 	if (env_targets)
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| 		env_targets_len = strlen(env_targets);
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| 
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| 	new_targets = calloc(1, strlen(mode) + env_targets_len + 2);
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| 	if (!new_targets)
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| 		return -ENOMEM;
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| 
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| 	sprintf(new_targets, "%s %s", mode,
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| 		env_targets ? env_targets : "");
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| 
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| 	env_set("boot_targets", new_targets);
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| 
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| 	return board_late_init_xilinx();
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| }
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| 
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| #if !defined(CONFIG_SYS_SDRAM_BASE) && !defined(CONFIG_SYS_SDRAM_SIZE)
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| int dram_init_banksize(void)
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| {
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| 	return fdtdec_setup_memory_banksize();
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| }
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| 
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| int dram_init(void)
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| {
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| 	if (fdtdec_setup_mem_size_base() != 0)
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| 		return -EINVAL;
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| 
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| 	zynq_ddrc_init();
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| 
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| 	return 0;
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| }
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| #else
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| int dram_init(void)
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| {
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| 	gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
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| 				    CONFIG_SYS_SDRAM_SIZE);
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| 
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| 	zynq_ddrc_init();
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| 
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| 	return 0;
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| }
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| #endif
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| 
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| enum env_location env_get_location(enum env_operation op, int prio)
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| {
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| 	u32 bootmode = zynq_slcr_get_boot_mode() & ZYNQ_BM_MASK;
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| 
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| 	if (prio)
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| 		return ENVL_UNKNOWN;
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| 
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| 	switch (bootmode) {
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| 	case ZYNQ_BM_SD:
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| 		if (IS_ENABLED(CONFIG_ENV_IS_IN_FAT))
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| 			return ENVL_FAT;
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| 		if (IS_ENABLED(CONFIG_ENV_IS_IN_EXT4))
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| 			return ENVL_EXT4;
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| 		return ENVL_NOWHERE;
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| 	case ZYNQ_BM_NAND:
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| 		if (IS_ENABLED(CONFIG_ENV_IS_IN_NAND))
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| 			return ENVL_NAND;
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| 		if (IS_ENABLED(CONFIG_ENV_IS_IN_UBI))
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| 			return ENVL_UBI;
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| 		return ENVL_NOWHERE;
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| 	case ZYNQ_BM_NOR:
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| 	case ZYNQ_BM_QSPI:
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| 		if (IS_ENABLED(CONFIG_ENV_IS_IN_SPI_FLASH))
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| 			return ENVL_SPI_FLASH;
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| 		return ENVL_NOWHERE;
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| 	case ZYNQ_BM_JTAG:
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| 	default:
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| 		return ENVL_NOWHERE;
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| 	}
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| }
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