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authorStefano Babic <sbabic@denx.de>2015-10-15 15:34:14 +0200
committerStefano Babic <sbabic@denx.de>2015-10-15 15:34:14 +0200
commitf74dc51bcab924a30e41b33981a4f96af3f9dd57 (patch)
tree560eead1ca9984554be3a5c9a5332b531c102cb0 /arch/arm/include/asm
parentcf04ad3219260c3c39ec3dbfe2427e3463e8dbd5 (diff)
parent297faccca2235e359012118495b9b73451d54bb9 (diff)
Merge branch 'master' of git://git.denx.de/u-boot
Diffstat (limited to 'arch/arm/include/asm')
-rw-r--r--arch/arm/include/asm/arch-lpc32xx/emc.h2
-rw-r--r--arch/arm/include/asm/arch-sunxi/spl.h54
2 files changed, 43 insertions, 13 deletions
diff --git a/arch/arm/include/asm/arch-lpc32xx/emc.h b/arch/arm/include/asm/arch-lpc32xx/emc.h
index 1a2bab251f..f70faf8038 100644
--- a/arch/arm/include/asm/arch-lpc32xx/emc.h
+++ b/arch/arm/include/asm/arch-lpc32xx/emc.h
@@ -70,7 +70,7 @@ struct emc_regs {
/* Static Memory Delay Registers */
#define EMC_STAT_WAITWEN(n) (((n) - 1) & 0x0F)
-#define EMC_STAT_WAITOEN(n) (((n) - 1) & 0x0F)
+#define EMC_STAT_WAITOEN(n) ((n) & 0x0F)
#define EMC_STAT_WAITRD(n) (((n) - 1) & 0x1F)
#define EMC_STAT_WAITPAGE(n) (((n) - 1) & 0x1F)
#define EMC_STAT_WAITWR(n) (((n) - 2) & 0x1F)
diff --git a/arch/arm/include/asm/arch-sunxi/spl.h b/arch/arm/include/asm/arch-sunxi/spl.h
index acbec46cb8..a129dd4ee0 100644
--- a/arch/arm/include/asm/arch-sunxi/spl.h
+++ b/arch/arm/include/asm/arch-sunxi/spl.h
@@ -1,20 +1,50 @@
/*
- * This is a copy of omap3/spl.h:
- *
- * (C) Copyright 2012
- * Texas Instruments, <www.ti.com>
+ * (C) Copyright 2007-2011
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Tom Cubie <tangliang@allwinnertech.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _ASM_ARCH_SPL_H_
#define _ASM_ARCH_SPL_H_
-#define BOOT_DEVICE_NONE 0
-#define BOOT_DEVICE_XIP 1
-#define BOOT_DEVICE_NAND 2
-#define BOOT_DEVICE_ONE_NAND 3
-#define BOOT_DEVICE_MMC2 5 /*emmc*/
-#define BOOT_DEVICE_MMC1 6
-#define BOOT_DEVICE_XIPWAIT 7
-#define BOOT_DEVICE_MMC2_2 0xff
+#define BOOT0_MAGIC "eGON.BT0"
+#define SPL_SIGNATURE "SPL" /* marks "sunxi" SPL header */
+#define SPL_HEADER_VERSION 1
+
+/* Note: A80 will require special handling here: SPL_ADDR 0x10000 */
+#define SPL_ADDR 0x0
+
+/* boot head definition from sun4i boot code */
+struct boot_file_head {
+ uint32_t b_instruction; /* one intruction jumping to real code */
+ uint8_t magic[8]; /* ="eGON.BT0" or "eGON.BT1", not C-style str */
+ uint32_t check_sum; /* generated by PC */
+ uint32_t length; /* generated by PC */
+ /*
+ * We use a simplified header, only filling in what is needed
+ * by the boot ROM. To be compatible with Allwinner tools we
+ * would need to implement the proper fields here instead of
+ * padding.
+ *
+ * Actually we want the ability to recognize our "sunxi" variant
+ * of the SPL. To do so, let's place a special signature into the
+ * "pub_head_size" field. We can reasonably expect Allwinner's
+ * boot0 to always have the upper 16 bits of this set to 0 (after
+ * all the value shouldn't be larger than the limit imposed by
+ * SRAM size).
+ * If the signature is present (at 0x14), then we know it's safe
+ * to use the remaining 8 bytes (at 0x18) for our own purposes.
+ * (E.g. sunxi-tools "fel" utility can pass information there.)
+ */
+ union {
+ uint32_t pub_head_size;
+ uint8_t spl_signature[4];
+ };
+ uint32_t fel_script_address;
+ uint32_t reserved; /* padding, align to 32 bytes */
+};
+
+#define is_boot0_magic(addr) (memcmp((void *)addr, BOOT0_MAGIC, 8) == 0)
+
#endif