[U-Boot] [PATCH 1/2][v4] board: freescale: ls1012a: Enable secure DDR on LS1012A platforms

[Prabhakar Kushwaha]

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 at nxp.com>
Signed-off-by: Abhimanyu Saini <abhimanyu.saini at nxp.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha at nxp.com>
---
Changes for v2: Sending as it is
Changes for v3: Rebased top of the tree
Changes for v4: incorporated York's comments

 arch/arm/include/asm/arch-fsl-layerscape/config.h |  3 +++
 board/freescale/ls1012afrdm/ls1012afrdm.c         | 29 +++++++++++++++++++++++
 board/freescale/ls1012aqds/ls1012aqds.c           | 29 +++++++++++++++++++++++
 board/freescale/ls1012ardb/ls1012ardb.c           | 29 +++++++++++++++++++++++
 include/configs/ls1012a_common.h                  |  1 +
 5 files changed, 91 insertions(+)

diff --git a/arch/arm/include/asm/arch-fsl-layerscape/config.h b/arch/arm/include/asm/arch-fsl-layerscape/config.h
index 8c426af..83f5501 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/config.h
+++ b/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
diff --git a/board/freescale/ls1012afrdm/ls1012afrdm.c b/board/freescale/ls1012afrdm/ls1012afrdm.c
index b03bdb8..c2432c3 100644
--- a/board/freescale/ls1012afrdm/ls1012afrdm.c
+++ b/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
+	}
+}
diff --git a/board/freescale/ls1012aqds/ls1012aqds.c b/board/freescale/ls1012aqds/ls1012aqds.c
index 88fb4ce..bdd9529 100644
--- a/board/freescale/ls1012aqds/ls1012aqds.c
+++ b/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
+	}
+}
diff --git a/board/freescale/ls1012ardb/ls1012ardb.c b/board/freescale/ls1012ardb/ls1012ardb.c
index 65fa94c..2dece02 100644
--- a/board/freescale/ls1012ardb/ls1012ardb.c
+++ b/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
+	}
+}
diff --git a/include/configs/ls1012a_common.h b/include/configs/ls1012a_common.h
index 81f8d62..0965afa 100644
--- a/include/configs/ls1012a_common.h
+++ b/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 */
-- 
2.7.4