X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Farmv8%2Ffsl-layerscape%2Fspl.c;h=77724336d62c1c7dc5be5a39dfb3927a7606b9c0;hb=c2279d784e35fa25ee3a9fa28a74a1ba545f8c1e;hp=f434c443ed5176940645f5edf7ac8c0479d8eebe;hpb=a85670e40da1ef4f299effb73c36e48d39d50106;p=oweals%2Fu-boot.git

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/spl.c b/arch/arm/cpu/armv8/fsl-layerscape/spl.c
index f434c443ed..77724336d6 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/spl.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/spl.c
@@ -1,15 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright 2014-2015 Freescale Semiconductor, Inc.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
+#include <clock_legacy.h>
+#include <cpu_func.h>
+#include <env.h>
+#include <image.h>
+#include <init.h>
+#include <log.h>
 #include <spl.h>
+#include <asm/cache.h>
 #include <asm/io.h>
 #include <fsl_ifc.h>
-#include <fsl_csu.h>
 #include <i2c.h>
+#include <fsl_csu.h>
+#include <asm/arch/fdt.h>
+#include <asm/arch/ppa.h>
+#include <asm/arch/soc.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -20,58 +29,119 @@ u32 spl_boot_device(void)
 #endif
 #ifdef CONFIG_SPL_NAND_SUPPORT
 	return BOOT_DEVICE_NAND;
+#endif
+#ifdef CONFIG_QSPI_BOOT
+	return BOOT_DEVICE_NOR;
 #endif
 	return 0;
 }
 
-u32 spl_boot_mode(void)
+#ifdef CONFIG_SPL_BUILD
+
+void spl_board_init(void)
 {
-	switch (spl_boot_device()) {
-	case BOOT_DEVICE_MMC1:
-#ifdef CONFIG_SPL_FAT_SUPPORT
-		return MMCSD_MODE_FAT;
-#else
-		return MMCSD_MODE_RAW;
+#if defined(CONFIG_NXP_ESBC) && defined(CONFIG_FSL_LSCH2)
+	/*
+	 * In case of Secure Boot, the IBR configures the SMMU
+	 * to allow only Secure transactions.
+	 * SMMU must be reset in bypass mode.
+	 * Set the ClientPD bit and Clear the USFCFG Bit
+	*/
+	u32 val;
+	val = (in_le32(SMMU_SCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
+	out_le32(SMMU_SCR0, val);
+	val = (in_le32(SMMU_NSCR0) | SCR0_CLIENTPD_MASK) & ~(SCR0_USFCFG_MASK);
+	out_le32(SMMU_NSCR0, val);
+#endif
+#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
+	enable_layerscape_ns_access();
+#endif
+#ifdef CONFIG_SPL_FSL_LS_PPA
+	ppa_init();
 #endif
-	case BOOT_DEVICE_NAND:
-		return 0;
-	default:
-		puts("spl: error: unsupported device\n");
-		hang();
-	}
 }
 
-#ifdef CONFIG_SPL_BUILD
 void board_init_f(ulong dummy)
 {
+	icache_enable();
 	/* Clear global data */
 	memset((void *)gd, 0, sizeof(gd_t));
-#if defined(CONFIG_LS2080A) || defined(CONFIG_LS2085A)
-	arch_cpu_init();
-#endif
-#ifdef CONFIG_FSL_IFC
-	init_early_memctl_regs();
-#endif
 	board_early_init_f();
 	timer_init();
-#if defined(CONFIG_LS2080A) || defined(CONFIG_LS2085A)
+#ifdef CONFIG_ARCH_LS2080A
 	env_init();
 #endif
 	get_clocks();
 
 	preloader_console_init();
+	spl_set_bd();
 
+#ifdef CONFIG_SYS_I2C
 #ifdef CONFIG_SPL_I2C_SUPPORT
 	i2c_init_all();
+#endif
+#endif
+#ifdef CONFIG_VID
+	init_func_vid();
 #endif
 	dram_init();
+#ifdef CONFIG_SPL_FSL_LS_PPA
+#ifndef CONFIG_SYS_MEM_RESERVE_SECURE
+#error Need secure RAM for PPA
+#endif
+	/*
+	 * Secure memory location is determined in dram_init_banksize().
+	 * gd->ram_size is deducted by the size of secure ram.
+	 */
+	dram_init_banksize();
 
-	/* Clear the BSS */
-	memset(__bss_start, 0, __bss_end - __bss_start);
+	/*
+	 * After dram_init_bank_size(), we know U-Boot only uses the first
+	 * memory bank regardless how big the memory is.
+	 */
+	gd->ram_top = gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size;
 
-#ifdef CONFIG_LAYERSCAPE_NS_ACCESS
-	enable_layerscape_ns_access();
+	/*
+	 * If PPA is loaded, U-Boot will resume running at EL2.
+	 * Cache and MMU will be enabled. Need a place for TLB.
+	 * U-Boot will be relocated to the end of available memory
+	 * in first bank. At this point, we cannot know how much
+	 * memory U-Boot uses. Put TLB table lower by SPL_TLB_SETBACK
+	 * to avoid overlapping. As soon as the RAM version U-Boot sets
+	 * up new MMU, this space is no longer needed.
+	 */
+	gd->ram_top -= SPL_TLB_SETBACK;
+	gd->arch.tlb_size = PGTABLE_SIZE;
+	gd->arch.tlb_addr = (gd->ram_top - gd->arch.tlb_size) & ~(0x10000 - 1);
+	gd->arch.tlb_allocated = gd->arch.tlb_addr;
+#endif	/* CONFIG_SPL_FSL_LS_PPA */
+#if defined(CONFIG_QSPI_AHB_INIT) && defined(CONFIG_QSPI_BOOT)
+	qspi_ahb_init();
 #endif
-	board_init_r(NULL, 0);
+}
+
+#ifdef CONFIG_SPL_OS_BOOT
+/*
+ * Return
+ * 0 if booting into OS is selected
+ * 1 if booting into U-Boot is selected
+ */
+int spl_start_uboot(void)
+{
+	env_init();
+	if (env_get_yesno("boot_os") != 0)
+		return 0;
+
+	return 1;
+}
+#endif	/* CONFIG_SPL_OS_BOOT */
+#ifdef CONFIG_SPL_LOAD_FIT
+__weak int board_fit_config_name_match(const char *name)
+{
+	/* Just empty function now - can't decide what to choose */
+	debug("%s: %s\n", __func__, name);
+
+	return 0;
 }
 #endif
+#endif /* CONFIG_SPL_BUILD */