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