1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2014-2015 Freescale Semiconductor, Inc.
13 #include <asm/arch/fdt.h>
14 #include <asm/arch/ppa.h>
15 #include <asm/arch/soc.h>
17 DECLARE_GLOBAL_DATA_PTR;
19 u32 spl_boot_device(void)
21 #ifdef CONFIG_SPL_MMC_SUPPORT
22 return BOOT_DEVICE_MMC1;
24 #ifdef CONFIG_SPL_NAND_SUPPORT
25 return BOOT_DEVICE_NAND;
27 #ifdef CONFIG_QSPI_BOOT
28 return BOOT_DEVICE_NOR;
33 #ifdef CONFIG_SPL_BUILD
35 void spl_board_init(void)
37 #if defined(CONFIG_SECURE_BOOT) && defined(CONFIG_FSL_LSCH2)
39 * In case of Secure Boot, the IBR configures the SMMU
40 * to allow only Secure transactions.
41 * SMMU must be reset in bypass mode.
42 * Set the ClientPD bit and Clear the USFCFG Bit
45 val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
46 out_le32(SMMU_SCR0, val);
47 val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
48 out_le32(SMMU_NSCR0, val);
50 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
51 enable_layerscape_ns_access();
53 #ifdef CONFIG_SPL_FSL_LS_PPA
58 void board_init_f(ulong dummy)
61 /* Clear global data */
62 memset((void *)gd, 0, sizeof(gd_t));
65 #ifdef CONFIG_ARCH_LS2080A
70 preloader_console_init();
73 #ifdef CONFIG_SPL_I2C_SUPPORT
80 #ifdef CONFIG_SPL_FSL_LS_PPA
81 #ifndef CONFIG_SYS_MEM_RESERVE_SECURE
82 #error Need secure RAM for PPA
85 * Secure memory location is determined in dram_init_banksize().
86 * gd->ram_size is deducted by the size of secure ram.
91 * After dram_init_bank_size(), we know U-Boot only uses the first
92 * memory bank regardless how big the memory is.
94 gd->ram_top = gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size;
97 * If PPA is loaded, U-Boot will resume running at EL2.
98 * Cache and MMU will be enabled. Need a place for TLB.
99 * U-Boot will be relocated to the end of available memory
100 * in first bank. At this point, we cannot know how much
101 * memory U-Boot uses. Put TLB table lower by SPL_TLB_SETBACK
102 * to avoid overlapping. As soon as the RAM version U-Boot sets
103 * up new MMU, this space is no longer needed.
105 gd->ram_top -= SPL_TLB_SETBACK;
106 gd->arch.tlb_size = PGTABLE_SIZE;
107 gd->arch.tlb_addr = (gd->ram_top - gd->arch.tlb_size) & ~(0x10000 - 1);
108 gd->arch.tlb_allocated = gd->arch.tlb_addr;
109 #endif /* CONFIG_SPL_FSL_LS_PPA */
110 #if defined(CONFIG_QSPI_AHB_INIT) && defined(CONFIG_QSPI_BOOT)
115 #ifdef CONFIG_SPL_OS_BOOT
118 * 0 if booting into OS is selected
119 * 1 if booting into U-Boot is selected
121 int spl_start_uboot(void)
124 if (env_get_yesno("boot_os") != 0)
129 #endif /* CONFIG_SPL_OS_BOOT */
130 #ifdef CONFIG_SPL_LOAD_FIT
131 int board_fit_config_name_match(const char *name)
133 /* Just empty function now - can't decide what to choose */
134 debug("%s: %s\n", __func__, name);
139 #endif /* CONFIG_SPL_BUILD */