5 files changed, 35 insertions, 9 deletions
diff --git a/arch/arm/include/asm/arch-sunxi/spl.h b/arch/arm/include/asm/arch-sunxi/spl.h
index 55f2deb18d..4baba38b00 100644
--- a/arch/arm/include/asm/arch-sunxi/spl.h
+++ b/arch/arm/include/asm/arch-sunxi/spl.h
@@ -9,7 +9,17 @@
 
 #define BOOT0_MAGIC		"eGON.BT0"
 #define SPL_SIGNATURE		"SPL" /* marks "sunxi" SPL header */
-#define SPL_HEADER_VERSION	2
+#define SPL_MAJOR_BITS		3
+#define SPL_MINOR_BITS		5
+#define SPL_VERSION(maj, min)						\
+	((((maj) & ((1U << SPL_MAJOR_BITS) - 1)) << SPL_MINOR_BITS) | \
+	((min) & ((1U << SPL_MINOR_BITS) - 1)))
+
+#define SPL_HEADER_VERSION	SPL_VERSION(0, 2)
+
+#define SPL_ENV_HEADER_VERSION	SPL_VERSION(0, 1)
+#define SPL_DT_HEADER_VERSION	SPL_VERSION(0, 2)
+#define SPL_DRAM_HEADER_VERSION	SPL_VERSION(0, 3)
 
 #define SPL_ADDR		CONFIG_SUNXI_SRAM_ADDRESS
 
@@ -45,14 +55,14 @@ struct boot_file_head {
 		uint32_t pub_head_size;
 		uint8_t spl_signature[4];
 	};
-	uint32_t fel_script_address;
+	uint32_t fel_script_address;	/* since v0.1, set by sunxi-fel */
 	/*
 	 * If the fel_uEnv_length member below is set to a non-zero value,
 	 * it specifies the size (byte count) of data at fel_script_address.
 	 * At the same time this indicates that the data is in uEnv.txt
 	 * compatible format, ready to be imported via "env import -t".
 	 */
-	uint32_t fel_uEnv_length;
+	uint32_t fel_uEnv_length;	/* since v0.1, set by sunxi-fel */
 	/*
 	 * Offset of an ASCIIZ string (relative to the SPL header), which
 	 * contains the default device tree name (CONFIG_DEFAULT_DEVICE_TREE).
@@ -60,11 +70,11 @@ struct boot_file_head {
 	 * by flash programming tools for providing nice informative messages
 	 * to the users.
 	 */
-	uint32_t dt_name_offset;
-	uint32_t reserved1;
+	uint32_t dt_name_offset;	/* since v0.2, set by mksunxiboot */
+	uint32_t dram_size;		/* in MiB, since v0.3, set by SPL */
 	uint32_t boot_media;		/* written here by the boot ROM */
 	/* A padding area (may be used for storing text strings) */
-	uint32_t string_pool[13];
+	uint32_t string_pool[13];	/* since v0.2, filled by mksunxiboot */
 	/* The header must be a multiple of 32 bytes (for VBAR alignment) */
 };
 
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index 686f38fec4..6277abc3cc 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -140,6 +140,12 @@ config MACH_SUNXI_H3_H5
 	select SUNXI_GEN_SUN6I
 	select SUPPORT_SPL
 
+# TODO: try out A80's 8GiB DRAM space
+config SUNXI_DRAM_MAX_SIZE
+	hex
+	default 0xC0000000 if MACH_SUN50I || MACH_SUN50I_H5 || MACH_SUN50I_H6
+	default 0x80000000
+
 choice
 	prompt "Sunxi SoC Variant"
 	optional
@@ -970,4 +976,14 @@ config SPL_SPI_SUNXI
 	  sunxi SPI Flash. It uses the same method as the boot ROM, so does
 	  not need any extra configuration.
 
+config PINE64_DT_SELECTION
+	bool "Enable Pine64 device tree selection code"
+	depends on MACH_SUN50I
+	help
+	  The original Pine A64 and Pine A64+ are similar but different
+	  boards and can be differed by the DRAM size. Pine A64 has
+	  512MiB DRAM, and Pine A64+ has 1GiB or 2GiB. By selecting this
+	  option, the device tree selection code specific to Pine64 which
+	  utilizes the DRAM size will be enabled.
+
 endif
diff --git a/arch/arm/mach-sunxi/board.c b/arch/arm/mach-sunxi/board.c
index d22a84ea6b..b74eaf2a0e 100644
--- a/arch/arm/mach-sunxi/board.c
+++ b/arch/arm/mach-sunxi/board.c
@@ -52,7 +52,7 @@ static struct mm_region sunxi_mem_map[] = {
 		/* RAM */
 		.virt = 0x40000000UL,
 		.phys = 0x40000000UL,
-		.size = 0x80000000UL,
+		.size = 0xC0000000UL,
 		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
 			 PTE_BLOCK_INNER_SHARE
 	}, {
diff --git a/arch/arm/mach-sunxi/dram_sun4i.c b/arch/arm/mach-sunxi/dram_sun4i.c
index 85623022f1..396c0424ea 100644
--- a/arch/arm/mach-sunxi/dram_sun4i.c
+++ b/arch/arm/mach-sunxi/dram_sun4i.c
@@ -5,7 +5,7 @@
  * (C) Copyright 2013 Luke Kenneth Casson Leighton <lkcl@lkcl.net>
  *
  * Based on sun4i Linux kernel sources mach-sunxi/pm/standby/dram*.c
- * and earlier U-Boot Allwiner A10 SPL work
+ * and earlier U-Boot Allwinner A10 SPL work
  *
  * (C) Copyright 2007-2012
  * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
diff --git a/arch/arm/mach-sunxi/p2wi.c b/arch/arm/mach-sunxi/p2wi.c
index 82ad254133..e84e1d8d5c 100644
--- a/arch/arm/mach-sunxi/p2wi.c
+++ b/arch/arm/mach-sunxi/p2wi.c
@@ -5,7 +5,7 @@
  * (C) Copyright 2013 Oliver Schinagl <oliver@schinagl.nl>
  * http://linux-sunxi.org
  *
- * Based on sun6i sources and earlier U-Boot Allwiner A10 SPL work
+ * Based on sun6i sources and earlier U-Boot Allwinner A10 SPL work
  *
  * (C) Copyright 2006-2013
  * Allwinner Technology Co., Ltd. <www.allwinnertech.com>