1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright 2014-2015 Freescale Semiconductor, Inc.
14 #include <asm/arch/fdt.h>
15 #include <asm/arch/ppa.h>
16 #include <asm/arch/soc.h>
18 DECLARE_GLOBAL_DATA_PTR;
20 u32 spl_boot_device(void)
22 #ifdef CONFIG_SPL_MMC_SUPPORT
23 return BOOT_DEVICE_MMC1;
25 #ifdef CONFIG_SPL_NAND_SUPPORT
26 return BOOT_DEVICE_NAND;
28 #ifdef CONFIG_QSPI_BOOT
29 return BOOT_DEVICE_NOR;
34 #ifdef CONFIG_SPL_BUILD
36 void spl_board_init(void)
38 #if defined(CONFIG_NXP_ESBC) && defined(CONFIG_FSL_LSCH2)
40 * In case of Secure Boot, the IBR configures the SMMU
41 * to allow only Secure transactions.
42 * SMMU must be reset in bypass mode.
43 * Set the ClientPD bit and Clear the USFCFG Bit
46 val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
47 out_le32(SMMU_SCR0, val);
48 val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
49 out_le32(SMMU_NSCR0, val);
51 #ifdef CONFIG_LAYERSCAPE_NS_ACCESS
52 enable_layerscape_ns_access();
54 #ifdef CONFIG_SPL_FSL_LS_PPA
59 void board_init_f(ulong dummy)
62 /* Clear global data */
63 memset((void *)gd, 0, sizeof(gd_t));
66 #ifdef CONFIG_ARCH_LS2080A
71 preloader_console_init();
74 #ifdef CONFIG_SPL_I2C_SUPPORT
81 #ifdef CONFIG_SPL_FSL_LS_PPA
82 #ifndef CONFIG_SYS_MEM_RESERVE_SECURE
83 #error Need secure RAM for PPA
86 * Secure memory location is determined in dram_init_banksize().
87 * gd->ram_size is deducted by the size of secure ram.
92 * After dram_init_bank_size(), we know U-Boot only uses the first
93 * memory bank regardless how big the memory is.
95 gd->ram_top = gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size;
98 * If PPA is loaded, U-Boot will resume running at EL2.
99 * Cache and MMU will be enabled. Need a place for TLB.
100 * U-Boot will be relocated to the end of available memory
101 * in first bank. At this point, we cannot know how much
102 * memory U-Boot uses. Put TLB table lower by SPL_TLB_SETBACK
103 * to avoid overlapping. As soon as the RAM version U-Boot sets
104 * up new MMU, this space is no longer needed.
106 gd->ram_top -= SPL_TLB_SETBACK;
107 gd->arch.tlb_size = PGTABLE_SIZE;
108 gd->arch.tlb_addr = (gd->ram_top - gd->arch.tlb_size) & ~(0x10000 - 1);
109 gd->arch.tlb_allocated = gd->arch.tlb_addr;
110 #endif /* CONFIG_SPL_FSL_LS_PPA */
111 #if defined(CONFIG_QSPI_AHB_INIT) && defined(CONFIG_QSPI_BOOT)
116 #ifdef CONFIG_SPL_OS_BOOT
119 * 0 if booting into OS is selected
120 * 1 if booting into U-Boot is selected
122 int spl_start_uboot(void)
125 if (env_get_yesno("boot_os") != 0)
130 #endif /* CONFIG_SPL_OS_BOOT */
131 #ifdef CONFIG_SPL_LOAD_FIT
132 __weak int board_fit_config_name_match(const char *name)
134 /* Just empty function now - can't decide what to choose */
135 debug("%s: %s\n", __func__, name);
140 #endif /* CONFIG_SPL_BUILD */