X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Farmv8%2Ffsl-layerscape%2Fcpu.c;h=36189f7a92cba50317eec3fb96629379b61efef8;hb=2e17cb8a42404201298c53fe752327f59db6ff8e;hp=0b6f1e1b474c84f00241e858a4cb95c06194e881;hpb=4c417384620025a7b64e2bd256e7641529b3ddf8;p=oweals%2Fu-boot.git

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
index 0b6f1e1b47..36189f7a92 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
@@ -33,6 +33,9 @@
 
 #ifdef CONFIG_TFABOOT
 #include <environment.h>
+#ifdef CONFIG_CHAIN_OF_TRUST
+#include <fsl_validate.h>
+#endif
 #endif
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -690,23 +693,41 @@ enum boot_src __get_boot_src(u32 porsr1)
 		}
 	}
 #endif
+
+	if (CONFIG_IS_ENABLED(SYS_FSL_ERRATUM_A010539) && !rcw_src)
+		src = BOOT_SOURCE_QSPI_NOR;
+
 	debug("%s: src 0x%x\n", __func__, src);
 	return src;
 }
 
 enum boot_src get_boot_src(void)
 {
-	u32 porsr1;
+	struct pt_regs regs;
+	u32 porsr1 = 0;
 
 #if defined(CONFIG_FSL_LSCH3)
 	u32 __iomem *dcfg_ccsr = (u32 __iomem *)DCFG_BASE;
-
-	porsr1 = in_le32(dcfg_ccsr + DCFG_PORSR1 / 4);
 #elif defined(CONFIG_FSL_LSCH2)
 	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+#endif
+
+	if (current_el() == 2) {
+		regs.regs[0] = SIP_SVC_RCW;
+
+		smc_call(&regs);
+		if (!regs.regs[0])
+			porsr1 = regs.regs[1];
+	}
 
-	porsr1 = in_be32(&gur->porsr1);
+	if (current_el() == 3 || !porsr1) {
+#ifdef CONFIG_FSL_LSCH3
+		porsr1 = in_le32(dcfg_ccsr + DCFG_PORSR1 / 4);
+#elif defined(CONFIG_FSL_LSCH2)
+		porsr1 = in_be32(&gur->porsr1);
 #endif
+	}
+
 	debug("%s: porsr1 0x%x\n", __func__, porsr1);
 
 	return __get_boot_src(porsr1);
@@ -741,6 +762,14 @@ enum env_location env_get_location(enum env_operation op, int prio)
 	if (prio)
 		return ENVL_UNKNOWN;
 
+#ifdef CONFIG_CHAIN_OF_TRUST
+	/* Check Boot Mode
+	 * If Boot Mode is Secure, return ENVL_NOWHERE
+	 */
+	if (fsl_check_boot_mode_secure() == 1)
+		goto done;
+#endif
+
 	switch (src) {
 	case BOOT_SOURCE_IFC_NOR:
 		env_loc = ENVL_FLASH;
@@ -768,6 +797,9 @@ enum env_location env_get_location(enum env_operation op, int prio)
 		break;
 	}
 
+#ifdef CONFIG_CHAIN_OF_TRUST
+done:
+#endif
 	return env_loc;
 }
 #endif	/* CONFIG_TFABOOT */
@@ -1215,12 +1247,96 @@ phys_size_t get_effective_memsize(void)
 	return ea_size;
 }
 
+#ifdef CONFIG_TFABOOT
+phys_size_t tfa_get_dram_size(void)
+{
+	struct pt_regs regs;
+	phys_size_t dram_size = 0;
+
+	regs.regs[0] = SMC_DRAM_BANK_INFO;
+	regs.regs[1] = -1;
+
+	smc_call(&regs);
+	if (regs.regs[0])
+		return 0;
+
+	dram_size = regs.regs[1];
+	return dram_size;
+}
+
+static int tfa_dram_init_banksize(void)
+{
+	int i = 0, ret = 0;
+	struct pt_regs regs;
+	phys_size_t dram_size = tfa_get_dram_size();
+
+	debug("dram_size %llx\n", dram_size);
+
+	if (!dram_size)
+		return -EINVAL;
+
+	do {
+		regs.regs[0] = SMC_DRAM_BANK_INFO;
+		regs.regs[1] = i;
+
+		smc_call(&regs);
+		if (regs.regs[0]) {
+			ret = -EINVAL;
+			break;
+		}
+
+		debug("bank[%d]: start %lx, size %lx\n", i, regs.regs[1],
+		      regs.regs[2]);
+		gd->bd->bi_dram[i].start = regs.regs[1];
+		gd->bd->bi_dram[i].size = regs.regs[2];
+
+		dram_size -= gd->bd->bi_dram[i].size;
+
+		i++;
+	} while (dram_size);
+
+	if (i > 0)
+		ret = 0;
+
+#if defined(CONFIG_FSL_MC_ENET) && !defined(CONFIG_SPL_BUILD)
+	/* Assign memory for MC */
+#ifdef CONFIG_SYS_DDR_BLOCK3_BASE
+	if (gd->bd->bi_dram[2].size >=
+	    board_reserve_ram_top(gd->bd->bi_dram[2].size)) {
+		gd->arch.resv_ram = gd->bd->bi_dram[2].start +
+			    gd->bd->bi_dram[2].size -
+			    board_reserve_ram_top(gd->bd->bi_dram[2].size);
+	} else
+#endif
+	{
+		if (gd->bd->bi_dram[1].size >=
+		    board_reserve_ram_top(gd->bd->bi_dram[1].size)) {
+			gd->arch.resv_ram = gd->bd->bi_dram[1].start +
+				gd->bd->bi_dram[1].size -
+				board_reserve_ram_top(gd->bd->bi_dram[1].size);
+		} else if (gd->bd->bi_dram[0].size >
+			   board_reserve_ram_top(gd->bd->bi_dram[0].size)) {
+			gd->arch.resv_ram = gd->bd->bi_dram[0].start +
+				gd->bd->bi_dram[0].size -
+				board_reserve_ram_top(gd->bd->bi_dram[0].size);
+		}
+	}
+#endif	/* CONFIG_FSL_MC_ENET */
+
+	return ret;
+}
+#endif
+
 int dram_init_banksize(void)
 {
 #ifdef CONFIG_SYS_DP_DDR_BASE_PHY
 	phys_size_t dp_ddr_size;
 #endif
 
+#ifdef CONFIG_TFABOOT
+	if (!tfa_dram_init_banksize())
+		return 0;
+#endif
 	/*
 	 * gd->ram_size has the total size of DDR memory, less reserved secure
 	 * memory. The DDR extends from low region to high region(s) presuming