1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2014-2015 Freescale Semiconductor, Inc.
7 #include <clock_legacy.h>
15 #include <asm/arch/fdt.h>
16 #include <asm/arch/ppa.h>
17 #include <asm/arch/soc.h>
19 DECLARE_GLOBAL_DATA_PTR;
21 u32 spl_boot_device(void)
23 #ifdef CONFIG_SPL_MMC_SUPPORT
24 return BOOT_DEVICE_MMC1;
26 #ifdef CONFIG_SPL_NAND_SUPPORT
27 return BOOT_DEVICE_NAND;
29 #ifdef CONFIG_QSPI_BOOT
30 return BOOT_DEVICE_NOR;
35 #ifdef CONFIG_SPL_BUILD
37 void spl_board_init(void)
39 #if defined(CONFIG_NXP_ESBC) && defined(CONFIG_FSL_LSCH2)
41 * In case of Secure Boot, the IBR configures the SMMU
42 * to allow only Secure transactions.
43 * SMMU must be reset in bypass mode.
44 * Set the ClientPD bit and Clear the USFCFG Bit
47 val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
48 out_le32(SMMU_SCR0, val);
49 val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
50 out_le32(SMMU_NSCR0, val);
52 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
53 enable_layerscape_ns_access();
55 #ifdef CONFIG_SPL_FSL_LS_PPA
60 void board_init_f(ulong dummy)
63 /* Clear global data */
64 memset((void *)gd, 0, sizeof(gd_t));
67 #ifdef CONFIG_ARCH_LS2080A
72 preloader_console_init();
75 #ifdef CONFIG_SPL_I2C_SUPPORT
82 #ifdef CONFIG_SPL_FSL_LS_PPA
83 #ifndef CONFIG_SYS_MEM_RESERVE_SECURE
84 #error Need secure RAM for PPA
87 * Secure memory location is determined in dram_init_banksize().
88 * gd->ram_size is deducted by the size of secure ram.
93 * After dram_init_bank_size(), we know U-Boot only uses the first
94 * memory bank regardless how big the memory is.
96 gd->ram_top = gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size;
99 * If PPA is loaded, U-Boot will resume running at EL2.
100 * Cache and MMU will be enabled. Need a place for TLB.
101 * U-Boot will be relocated to the end of available memory
102 * in first bank. At this point, we cannot know how much
103 * memory U-Boot uses. Put TLB table lower by SPL_TLB_SETBACK
104 * to avoid overlapping. As soon as the RAM version U-Boot sets
105 * up new MMU, this space is no longer needed.
107 gd->ram_top -= SPL_TLB_SETBACK;
108 gd->arch.tlb_size = PGTABLE_SIZE;
109 gd->arch.tlb_addr = (gd->ram_top - gd->arch.tlb_size) & ~(0x10000 - 1);
110 gd->arch.tlb_allocated = gd->arch.tlb_addr;
111 #endif /* CONFIG_SPL_FSL_LS_PPA */
112 #if defined(CONFIG_QSPI_AHB_INIT) && defined(CONFIG_QSPI_BOOT)
117 #ifdef CONFIG_SPL_OS_BOOT
120 * 0 if booting into OS is selected
121 * 1 if booting into U-Boot is selected
123 int spl_start_uboot(void)
126 if (env_get_yesno("boot_os") != 0)
131 #endif /* CONFIG_SPL_OS_BOOT */
132 #ifdef CONFIG_SPL_LOAD_FIT
133 __weak int board_fit_config_name_match(const char *name)
135 /* Just empty function now - can't decide what to choose */
136 debug("%s: %s\n", __func__, name);
141 #endif /* CONFIG_SPL_BUILD */