mirror of
https://github.com/AsahiLinux/u-boot
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65cc0e2a65
The rest of the unmigrated CONFIG symbols in the CONFIG_SYS namespace do not easily transition to Kconfig. In many cases they likely should come from the device tree instead. Move these out of CONFIG namespace and in to CFG namespace. Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
168 lines
3.8 KiB
C
168 lines
3.8 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright 2014-2015 Freescale Semiconductor, Inc.
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*/
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#include <common.h>
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#include <clock_legacy.h>
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#include <cpu_func.h>
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#include <debug_uart.h>
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#include <env.h>
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#include <hang.h>
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#include <image.h>
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#include <init.h>
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#include <log.h>
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#include <semihosting.h>
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#include <spl.h>
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#include <asm/cache.h>
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#include <asm/global_data.h>
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#include <asm/io.h>
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#include <fsl_ifc.h>
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#include <i2c.h>
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#include <fsl_csu.h>
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#include <asm/arch/fdt.h>
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#include <asm/arch/ppa.h>
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#include <asm/arch/soc.h>
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DECLARE_GLOBAL_DATA_PTR;
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u32 spl_boot_device(void)
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{
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if (semihosting_enabled())
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return BOOT_DEVICE_SMH;
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#ifdef CONFIG_SPL_MMC
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return BOOT_DEVICE_MMC1;
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#endif
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#ifdef CONFIG_SPL_NAND_SUPPORT
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return BOOT_DEVICE_NAND;
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#endif
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#ifdef CONFIG_QSPI_BOOT
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return BOOT_DEVICE_NOR;
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#endif
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return 0;
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}
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#ifdef CONFIG_SPL_BUILD
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void spl_board_init(void)
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{
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#if defined(CONFIG_NXP_ESBC) && defined(CONFIG_FSL_LSCH2)
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/*
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* In case of Secure Boot, the IBR configures the SMMU
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* to allow only Secure transactions.
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* SMMU must be reset in bypass mode.
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* Set the ClientPD bit and Clear the USFCFG Bit
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*/
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u32 val;
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val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
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out_le32(SMMU_SCR0, val);
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val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
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out_le32(SMMU_NSCR0, val);
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#endif
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#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
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enable_layerscape_ns_access();
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#endif
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#ifdef CONFIG_SPL_FSL_LS_PPA
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ppa_init();
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#endif
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}
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void tzpc_init(void)
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{
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/*
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* Mark the whole OCRAM as non-secure, otherwise DMA devices cannot
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* access it. This is for example necessary for MMC boot.
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*/
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#ifdef TZPCR0SIZE_BASE
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out_le32(TZPCR0SIZE_BASE, 0);
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#endif
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}
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void board_init_f(ulong dummy)
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{
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int ret;
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icache_enable();
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tzpc_init();
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/* Clear global data */
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memset((void *)gd, 0, sizeof(gd_t));
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if (IS_ENABLED(CONFIG_DEBUG_UART))
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debug_uart_init();
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board_early_init_f();
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ret = spl_early_init();
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if (ret) {
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debug("spl_early_init() failed: %d\n", ret);
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hang();
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}
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timer_init();
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#ifdef CONFIG_ARCH_LS2080A
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env_init();
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#endif
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get_clocks();
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preloader_console_init();
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spl_set_bd();
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#if CONFIG_IS_ENABLED(SYS_I2C_LEGACY)
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#ifdef CONFIG_SPL_I2C
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i2c_init_all();
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#endif
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#endif
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#if defined(CONFIG_VID) && (defined(CONFIG_ARCH_LS1088A) || \
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defined(CONFIG_ARCH_LX2160A) || \
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defined(CONFIG_ARCH_LX2162A))
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init_func_vid();
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#endif
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dram_init();
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#ifdef CONFIG_SPL_FSL_LS_PPA
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#ifndef CFG_SYS_MEM_RESERVE_SECURE
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#error Need secure RAM for PPA
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#endif
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/*
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* Secure memory location is determined in dram_init_banksize().
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* gd->ram_size is deducted by the size of secure ram.
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*/
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dram_init_banksize();
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/*
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* After dram_init_bank_size(), we know U-Boot only uses the first
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* memory bank regardless how big the memory is.
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*/
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gd->ram_top = gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size;
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/*
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* If PPA is loaded, U-Boot will resume running at EL2.
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* Cache and MMU will be enabled. Need a place for TLB.
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* U-Boot will be relocated to the end of available memory
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* in first bank. At this point, we cannot know how much
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* memory U-Boot uses. Put TLB table lower by SPL_TLB_SETBACK
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* to avoid overlapping. As soon as the RAM version U-Boot sets
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* up new MMU, this space is no longer needed.
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*/
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gd->ram_top -= SPL_TLB_SETBACK;
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gd->arch.tlb_size = PGTABLE_SIZE;
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gd->arch.tlb_addr = (gd->ram_top - gd->arch.tlb_size) & ~(0x10000 - 1);
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gd->arch.tlb_allocated = gd->arch.tlb_addr;
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#endif /* CONFIG_SPL_FSL_LS_PPA */
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#if defined(CONFIG_QSPI_AHB_INIT) && defined(CONFIG_QSPI_BOOT)
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qspi_ahb_init();
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#endif
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}
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#ifdef CONFIG_SPL_OS_BOOT
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/*
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* Return
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* 0 if booting into OS is selected
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* 1 if booting into U-Boot is selected
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*/
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int spl_start_uboot(void)
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{
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env_init();
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if (env_get_yesno("boot_os") != 0)
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return 0;
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return 1;
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}
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#endif /* CONFIG_SPL_OS_BOOT */
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#endif /* CONFIG_SPL_BUILD */
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