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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2014-2015 Freescale Semiconductor, Inc.
*/
#include <common.h>
#include <clock_legacy.h>
#include <cpu_func.h>
#include <debug_uart.h>
#include <env.h>
#include <hang.h>
#include <image.h>
#include <init.h>
#include <log.h>
#include <semihosting.h>
#include <spl.h>
#include <asm/cache.h>
#include <asm/global_data.h>
#include <asm/io.h>
#include <fsl_ifc.h>
#include <i2c.h>
#include <fsl_csu.h>
#include <asm/arch/fdt.h>
#include <asm/arch/ppa.h>
#include <asm/arch/soc.h>
DECLARE_GLOBAL_DATA_PTR;
u32 spl_boot_device(void)
{
if (semihosting_enabled())
return BOOT_DEVICE_SMH;
#ifdef CONFIG_SPL_MMC
return BOOT_DEVICE_MMC1;
#endif
#ifdef CONFIG_SPL_NAND_SUPPORT
return BOOT_DEVICE_NAND;
#endif
#ifdef CONFIG_QSPI_BOOT
return BOOT_DEVICE_NOR;
#endif
return 0;
}
#ifdef CONFIG_SPL_BUILD
void spl_board_init(void)
{
#if defined(CONFIG_NXP_ESBC) && defined(CONFIG_FSL_LSCH2)
/*
* In case of Secure Boot, the IBR configures the SMMU
* to allow only Secure transactions.
* SMMU must be reset in bypass mode.
* Set the ClientPD bit and Clear the USFCFG Bit
*/
u32 val;
val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
out_le32(SMMU_SCR0, val);
val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
out_le32(SMMU_NSCR0, val);
#endif
#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
enable_layerscape_ns_access();
#endif
#ifdef CONFIG_SPL_FSL_LS_PPA
ppa_init();
#endif
}
void tzpc_init(void)
{
/*
* Mark the whole OCRAM as non-secure, otherwise DMA devices cannot
* access it. This is for example necessary for MMC boot.
*/
#ifdef TZPCR0SIZE_BASE
out_le32(TZPCR0SIZE_BASE, 0);
#endif
}
void board_init_f(ulong dummy)
{
int ret;
icache_enable();
tzpc_init();
/* Clear global data */
memset((void *)gd, 0, sizeof(gd_t));
if (IS_ENABLED(CONFIG_DEBUG_UART))
debug_uart_init();
board_early_init_f();
ret = spl_early_init();
if (ret) {
debug("spl_early_init() failed: %d\n", ret);
hang();
}
timer_init();
#ifdef CONFIG_ARCH_LS2080A
env_init();
#endif
get_clocks();
preloader_console_init();
spl_set_bd();
#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY)
#ifdef CONFIG_SPL_I2C
i2c_init_all();
#endif
#endif
#if defined(CONFIG_VID) && (defined(CONFIG_ARCH_LS1088A) || \
defined(CONFIG_ARCH_LX2160A) || \
defined(CONFIG_ARCH_LX2162A))
init_func_vid();
#endif
dram_init();
#ifdef CONFIG_SPL_FSL_LS_PPA
#ifndef CFG_SYS_MEM_RESERVE_SECURE
#error Need secure RAM for PPA
#endif
/*
* Secure memory location is determined in dram_init_banksize().
* gd->ram_size is deducted by the size of secure ram.
*/
dram_init_banksize();
/*
* After dram_init_bank_size(), we know U-Boot only uses the first
* memory bank regardless how big the memory is.
*/
gd->ram_top = gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size;
/*
* If PPA is loaded, U-Boot will resume running at EL2.
* Cache and MMU will be enabled. Need a place for TLB.
* U-Boot will be relocated to the end of available memory
* in first bank. At this point, we cannot know how much
* memory U-Boot uses. Put TLB table lower by SPL_TLB_SETBACK
* to avoid overlapping. As soon as the RAM version U-Boot sets
* up new MMU, this space is no longer needed.
*/
gd->ram_top -= SPL_TLB_SETBACK;
gd->arch.tlb_size = PGTABLE_SIZE;
gd->arch.tlb_addr = (gd->ram_top - gd->arch.tlb_size) & ~(0x10000 - 1);
gd->arch.tlb_allocated = gd->arch.tlb_addr;
#endif /* CONFIG_SPL_FSL_LS_PPA */
#if defined(CONFIG_QSPI_AHB_INIT) && defined(CONFIG_QSPI_BOOT)
qspi_ahb_init();
#endif
}
#ifdef CONFIG_SPL_OS_BOOT
/*
* Return
* 0 if booting into OS is selected
* 1 if booting into U-Boot is selected
*/
int spl_start_uboot(void)
{
env_init();
if (env_get_yesno("boot_os") != 0)
return 0;
return 1;
}
#endif /* CONFIG_SPL_OS_BOOT */
#endif /* CONFIG_SPL_BUILD */
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