board: freescale: ls1012a: Enable secure DDR on LS1012A platforms

PPA binary needs to be relocated on secure DDR, hence marking out
a portion of DDR as secure if CONFIG_SYS_MEM_RESERVE_SECURE flag
is set

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Abhimanyu Saini <abhimanyu.saini@nxp.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

arch/arm/include/asm/arch-fsl-layerscape/config.h

@@ -192,6 +192,9 @@
 #define GICD_BASE		0x01401000
 #define GICC_BASE		0x01402000
 
+#define CONFIG_SYS_DDR_BLOCK1_SIZE	((phys_size_t)2 << 30)
+#define CONFIG_MAX_MEM_MAPPED		CONFIG_SYS_DDR_BLOCK1_SIZE
+
 #elif defined(CONFIG_ARCH_LS1046A)
 #define CONFIG_SYS_FMAN_V3
 #define CONFIG_SYS_NUM_FMAN			1

board/freescale/ls1012afrdm/ls1012afrdm.c

@@ -85,3 +85,32 @@ int ft_board_setup(void *blob, bd_t *bd)
 
 	return 0;
 }
+
+void dram_init_banksize(void)
+{
+	/*
+	 * gd->arch.secure_ram tracks the location of secure memory.
+	 * It was set as if the memory starts from 0.
+	 * The address needs to add the offset of its bank.
+	 */
+	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+	if (gd->ram_size > CONFIG_SYS_DDR_BLOCK1_SIZE) {
+		gd->bd->bi_dram[0].size = CONFIG_SYS_DDR_BLOCK1_SIZE;
+		gd->bd->bi_dram[1].start = CONFIG_SYS_DDR_BLOCK2_BASE;
+		gd->bd->bi_dram[1].size = gd->ram_size -
+			CONFIG_SYS_DDR_BLOCK1_SIZE;
+#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
+		gd->arch.secure_ram = gd->bd->bi_dram[1].start +
+			gd->arch.secure_ram -
+			CONFIG_SYS_DDR_BLOCK1_SIZE;
+		gd->arch.secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
+#endif
+	} else {
+		gd->bd->bi_dram[0].size = gd->ram_size;
+#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
+		gd->arch.secure_ram = gd->bd->bi_dram[0].start +
+			gd->arch.secure_ram;
+		gd->arch.secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
+#endif
+	}
+}

board/freescale/ls1012aqds/ls1012aqds.c

@@ -159,3 +159,32 @@ int ft_board_setup(void *blob, bd_t *bd)
 	return 0;
 }
 #endif
+
+void dram_init_banksize(void)
+{
+	/*
+	 * gd->arch.secure_ram tracks the location of secure memory.
+	 * It was set as if the memory starts from 0.
+	 * The address needs to add the offset of its bank.
+	 */
+	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+	if (gd->ram_size > CONFIG_SYS_DDR_BLOCK1_SIZE) {
+		gd->bd->bi_dram[0].size = CONFIG_SYS_DDR_BLOCK1_SIZE;
+		gd->bd->bi_dram[1].start = CONFIG_SYS_DDR_BLOCK2_BASE;
+		gd->bd->bi_dram[1].size = gd->ram_size -
+			CONFIG_SYS_DDR_BLOCK1_SIZE;
+#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
+		gd->arch.secure_ram = gd->bd->bi_dram[1].start +
+			gd->arch.secure_ram -
+			CONFIG_SYS_DDR_BLOCK1_SIZE;
+		gd->arch.secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
+#endif
+	} else {
+		gd->bd->bi_dram[0].size = gd->ram_size;
+#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
+		gd->arch.secure_ram = gd->bd->bi_dram[0].start +
+			gd->arch.secure_ram;
+		gd->arch.secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
+#endif
+	}
+}

board/freescale/ls1012ardb/ls1012ardb.c

@@ -159,3 +159,32 @@ int ft_board_setup(void *blob, bd_t *bd)
 
 	return 0;
 }
+
+void dram_init_banksize(void)
+{
+	/*
+	 * gd->secure_ram tracks the location of secure memory.
+	 * It was set as if the memory starts from 0.
+	 * The address needs to add the offset of its bank.
+	 */
+	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+	if (gd->ram_size > CONFIG_SYS_DDR_BLOCK1_SIZE) {
+		gd->bd->bi_dram[0].size = CONFIG_SYS_DDR_BLOCK1_SIZE;
+		gd->bd->bi_dram[1].start = CONFIG_SYS_DDR_BLOCK2_BASE;
+		gd->bd->bi_dram[1].size = gd->ram_size -
+			CONFIG_SYS_DDR_BLOCK1_SIZE;
+#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
+		gd->arch.secure_ram = gd->bd->bi_dram[1].start +
+			gd->arch.secure_ram -
+			CONFIG_SYS_DDR_BLOCK1_SIZE;
+		gd->arch.secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
+#endif
+	} else {
+		gd->bd->bi_dram[0].size = gd->ram_size;
+#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
+		gd->arch.secure_ram = gd->bd->bi_dram[0].start +
+			gd->arch.secure_ram;
+		gd->arch.secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
+#endif
+	}
+}

include/configs/ls1012a_common.h

@@ -29,6 +29,7 @@
 #define CONFIG_SYS_DDR_SDRAM_BASE	0x80000000
 #define CONFIG_SYS_FSL_DDR_SDRAM_BASE_PHY	0
 #define CONFIG_SYS_SDRAM_BASE		CONFIG_SYS_DDR_SDRAM_BASE
+#define CONFIG_SYS_DDR_BLOCK2_BASE     0x880000000ULL
 
 /* Generic Timer Definitions */
 #define COUNTER_FREQUENCY		CONFIG_SYS_CLK_FREQ/4	/* 25MHz */