mirror of
https://github.com/smaeul/u-boot.git
synced 2025-11-03 21:48:15 +00:00
038b965c2b
A new defconfig is introduced to support SPL boot from QSPI NOR flash. This is to support falcon mode for faster booting into Linux. Signed-off-by: York Sun <york.sun@nxp.com>
139 lines
3.2 KiB
C
139 lines
3.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright 2014-2015 Freescale Semiconductor, Inc.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <spl.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)
|
|
{
|
|
#ifdef CONFIG_SPL_MMC_SUPPORT
|
|
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_SECURE_BOOT) && 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 board_init_f(ulong dummy)
|
|
{
|
|
icache_enable();
|
|
/* Clear global data */
|
|
memset((void *)gd, 0, sizeof(gd_t));
|
|
board_early_init_f();
|
|
timer_init();
|
|
#ifdef CONFIG_ARCH_LS2080A
|
|
env_init();
|
|
#endif
|
|
get_clocks();
|
|
|
|
preloader_console_init();
|
|
spl_set_bd();
|
|
|
|
#ifdef CONFIG_SPL_I2C_SUPPORT
|
|
i2c_init_all();
|
|
#endif
|
|
#ifdef CONFIG_VID
|
|
init_func_vid();
|
|
#endif
|
|
dram_init();
|
|
#ifdef CONFIG_SPL_FSL_LS_PPA
|
|
#ifndef CONFIG_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 */
|
|
#ifdef CONFIG_SPL_LOAD_FIT
|
|
int board_fit_config_name_match(const char *name)
|
|
{
|
|
/* Just empty function now - can't decide what to choose */
|
|
debug("%s: %s\n", __func__, name);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
#endif /* CONFIG_SPL_BUILD */
|