1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2014-2015 Freescale Semiconductor, Inc.
7 #include <clock_legacy.h>
12 #include <asm/cache.h>
17 #include <asm/arch/fdt.h>
18 #include <asm/arch/ppa.h>
19 #include <asm/arch/soc.h>
21 DECLARE_GLOBAL_DATA_PTR;
23 u32 spl_boot_device(void)
25 #ifdef CONFIG_SPL_MMC_SUPPORT
26 return BOOT_DEVICE_MMC1;
28 #ifdef CONFIG_SPL_NAND_SUPPORT
29 return BOOT_DEVICE_NAND;
31 #ifdef CONFIG_QSPI_BOOT
32 return BOOT_DEVICE_NOR;
37 #ifdef CONFIG_SPL_BUILD
39 void spl_board_init(void)
41 #if defined(CONFIG_NXP_ESBC) && defined(CONFIG_FSL_LSCH2)
43 * In case of Secure Boot, the IBR configures the SMMU
44 * to allow only Secure transactions.
45 * SMMU must be reset in bypass mode.
46 * Set the ClientPD bit and Clear the USFCFG Bit
49 val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
50 out_le32(SMMU_SCR0, val);
51 val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
52 out_le32(SMMU_NSCR0, val);
54 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
55 enable_layerscape_ns_access();
57 #ifdef CONFIG_SPL_FSL_LS_PPA
62 void board_init_f(ulong dummy)
65 /* Clear global data */
66 memset((void *)gd, 0, sizeof(gd_t));
69 #ifdef CONFIG_ARCH_LS2080A
74 preloader_console_init();
78 #ifdef CONFIG_SPL_I2C_SUPPORT
86 #ifdef CONFIG_SPL_FSL_LS_PPA
87 #ifndef CONFIG_SYS_MEM_RESERVE_SECURE
88 #error Need secure RAM for PPA
91 * Secure memory location is determined in dram_init_banksize().
92 * gd->ram_size is deducted by the size of secure ram.
97 * After dram_init_bank_size(), we know U-Boot only uses the first
98 * memory bank regardless how big the memory is.
100 gd->ram_top = gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size;
103 * If PPA is loaded, U-Boot will resume running at EL2.
104 * Cache and MMU will be enabled. Need a place for TLB.
105 * U-Boot will be relocated to the end of available memory
106 * in first bank. At this point, we cannot know how much
107 * memory U-Boot uses. Put TLB table lower by SPL_TLB_SETBACK
108 * to avoid overlapping. As soon as the RAM version U-Boot sets
109 * up new MMU, this space is no longer needed.
111 gd->ram_top -= SPL_TLB_SETBACK;
112 gd->arch.tlb_size = PGTABLE_SIZE;
113 gd->arch.tlb_addr = (gd->ram_top - gd->arch.tlb_size) & ~(0x10000 - 1);
114 gd->arch.tlb_allocated = gd->arch.tlb_addr;
115 #endif /* CONFIG_SPL_FSL_LS_PPA */
116 #if defined(CONFIG_QSPI_AHB_INIT) && defined(CONFIG_QSPI_BOOT)
121 #ifdef CONFIG_SPL_OS_BOOT
124 * 0 if booting into OS is selected
125 * 1 if booting into U-Boot is selected
127 int spl_start_uboot(void)
130 if (env_get_yesno("boot_os") != 0)
135 #endif /* CONFIG_SPL_OS_BOOT */
136 #ifdef CONFIG_SPL_LOAD_FIT
137 __weak int board_fit_config_name_match(const char *name)
139 /* Just empty function now - can't decide what to choose */
140 debug("%s: %s\n", __func__, name);
145 #endif /* CONFIG_SPL_BUILD */