1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2014-2015 Freescale Semiconductor, Inc.
7 #include <clock_legacy.h>
13 #include <asm/cache.h>
18 #include <asm/arch/fdt.h>
19 #include <asm/arch/ppa.h>
20 #include <asm/arch/soc.h>
22 DECLARE_GLOBAL_DATA_PTR;
24 u32 spl_boot_device(void)
26 #ifdef CONFIG_SPL_MMC_SUPPORT
27 return BOOT_DEVICE_MMC1;
29 #ifdef CONFIG_SPL_NAND_SUPPORT
30 return BOOT_DEVICE_NAND;
32 #ifdef CONFIG_QSPI_BOOT
33 return BOOT_DEVICE_NOR;
38 #ifdef CONFIG_SPL_BUILD
40 void spl_board_init(void)
42 #if defined(CONFIG_NXP_ESBC) && defined(CONFIG_FSL_LSCH2)
44 * In case of Secure Boot, the IBR configures the SMMU
45 * to allow only Secure transactions.
46 * SMMU must be reset in bypass mode.
47 * Set the ClientPD bit and Clear the USFCFG Bit
50 val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
51 out_le32(SMMU_SCR0, val);
52 val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
53 out_le32(SMMU_NSCR0, val);
55 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
56 enable_layerscape_ns_access();
58 #ifdef CONFIG_SPL_FSL_LS_PPA
63 void board_init_f(ulong dummy)
66 /* Clear global data */
67 memset((void *)gd, 0, sizeof(gd_t));
70 #ifdef CONFIG_ARCH_LS2080A
75 preloader_console_init();
79 #ifdef CONFIG_SPL_I2C_SUPPORT
87 #ifdef CONFIG_SPL_FSL_LS_PPA
88 #ifndef CONFIG_SYS_MEM_RESERVE_SECURE
89 #error Need secure RAM for PPA
92 * Secure memory location is determined in dram_init_banksize().
93 * gd->ram_size is deducted by the size of secure ram.
98 * After dram_init_bank_size(), we know U-Boot only uses the first
99 * memory bank regardless how big the memory is.
101 gd->ram_top = gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size;
104 * If PPA is loaded, U-Boot will resume running at EL2.
105 * Cache and MMU will be enabled. Need a place for TLB.
106 * U-Boot will be relocated to the end of available memory
107 * in first bank. At this point, we cannot know how much
108 * memory U-Boot uses. Put TLB table lower by SPL_TLB_SETBACK
109 * to avoid overlapping. As soon as the RAM version U-Boot sets
110 * up new MMU, this space is no longer needed.
112 gd->ram_top -= SPL_TLB_SETBACK;
113 gd->arch.tlb_size = PGTABLE_SIZE;
114 gd->arch.tlb_addr = (gd->ram_top - gd->arch.tlb_size) & ~(0x10000 - 1);
115 gd->arch.tlb_allocated = gd->arch.tlb_addr;
116 #endif /* CONFIG_SPL_FSL_LS_PPA */
117 #if defined(CONFIG_QSPI_AHB_INIT) && defined(CONFIG_QSPI_BOOT)
122 #ifdef CONFIG_SPL_OS_BOOT
125 * 0 if booting into OS is selected
126 * 1 if booting into U-Boot is selected
128 int spl_start_uboot(void)
131 if (env_get_yesno("boot_os") != 0)
136 #endif /* CONFIG_SPL_OS_BOOT */
137 #ifdef CONFIG_SPL_LOAD_FIT
138 __weak int board_fit_config_name_match(const char *name)
140 /* Just empty function now - can't decide what to choose */
141 debug("%s: %s\n", __func__, name);
146 #endif /* CONFIG_SPL_BUILD */