diff options
| -rw-r--r-- | arch/arm/include/asm/arch-sunxi/spl.h | 19 | ||||
| -rw-r--r-- | include/configs/sunxi-common.h | 8 | ||||
| -rw-r--r-- | scripts/Makefile.spl | 3 | ||||
| -rw-r--r-- | tools/mksunxiboot.c | 49 |
4 files changed, 67 insertions, 12 deletions
diff --git a/arch/arm/include/asm/arch-sunxi/spl.h b/arch/arm/include/asm/arch-sunxi/spl.h index 831d0c0ff6..9358397da2 100644 --- a/arch/arm/include/asm/arch-sunxi/spl.h +++ b/arch/arm/include/asm/arch-sunxi/spl.h @@ -10,7 +10,7 @@ #define BOOT0_MAGIC "eGON.BT0" #define SPL_SIGNATURE "SPL" /* marks "sunxi" SPL header */ -#define SPL_HEADER_VERSION 1 +#define SPL_HEADER_VERSION 2 #ifdef CONFIG_SUNXI_HIGH_SRAM #define SPL_ADDR 0x10000 @@ -58,11 +58,24 @@ struct boot_file_head { * compatible format, ready to be imported via "env import -t". */ uint32_t fel_uEnv_length; - uint32_t reserved1[2]; + /* + * Offset of an ASCIIZ string (relative to the SPL header), which + * contains the default device tree name (CONFIG_DEFAULT_DEVICE_TREE). + * This is optional and may be set to NULL. Is intended to be used + * by flash programming tools for providing nice informative messages + * to the users. + */ + uint32_t dt_name_offset; + uint32_t reserved1; uint32_t boot_media; /* written here by the boot ROM */ - uint32_t reserved2[5]; /* padding, align to 64 bytes */ + /* A padding area (may be used for storing text strings) */ + uint32_t string_pool[13]; + /* The header must be a multiple of 32 bytes (for VBAR alignment) */ }; +/* Compile time check to assure proper alignment of structure */ +typedef char boot_file_head_not_multiple_of_32[1 - 2*(sizeof(struct boot_file_head) % 32)]; + #define is_boot0_magic(addr) (memcmp((void *)addr, BOOT0_MAGIC, 8) == 0) #endif diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h index 3f86cefe0f..f042f0d0c2 100644 --- a/include/configs/sunxi-common.h +++ b/include/configs/sunxi-common.h @@ -189,8 +189,8 @@ #endif #ifdef CONFIG_SUNXI_HIGH_SRAM -#define CONFIG_SPL_TEXT_BASE 0x10040 /* sram start+header */ -#define CONFIG_SPL_MAX_SIZE 0x7fc0 /* 32 KiB */ +#define CONFIG_SPL_TEXT_BASE 0x10060 /* sram start+header */ +#define CONFIG_SPL_MAX_SIZE 0x7fa0 /* 32 KiB */ #ifdef CONFIG_ARM64 /* end of SRAM A2 for now, as SRAM A1 is pretty tight for an ARM64 build */ #define LOW_LEVEL_SRAM_STACK 0x00054000 @@ -198,8 +198,8 @@ #define LOW_LEVEL_SRAM_STACK 0x00018000 #endif /* !CONFIG_ARM64 */ #else -#define CONFIG_SPL_TEXT_BASE 0x40 /* sram start+header */ -#define CONFIG_SPL_MAX_SIZE 0x5fc0 /* 24KB on sun4i/sun7i */ +#define CONFIG_SPL_TEXT_BASE 0x60 /* sram start+header */ +#define CONFIG_SPL_MAX_SIZE 0x5fa0 /* 24KB on sun4i/sun7i */ #define LOW_LEVEL_SRAM_STACK 0x00008000 /* End of sram */ #endif diff --git a/scripts/Makefile.spl b/scripts/Makefile.spl index 182b3002c1..135706f21d 100644 --- a/scripts/Makefile.spl +++ b/scripts/Makefile.spl @@ -304,7 +304,8 @@ $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE $(call if_changed,mkimage) quiet_cmd_mksunxiboot = MKSUNXI $@ -cmd_mksunxiboot = $(objtree)/tools/mksunxiboot $< $@ +cmd_mksunxiboot = $(objtree)/tools/mksunxiboot \ + --default-dt $(CONFIG_DEFAULT_DEVICE_TREE) $< $@ $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE $(call if_changed,mksunxiboot) diff --git a/tools/mksunxiboot.c b/tools/mksunxiboot.c index 111d74a3ee..db0f10ec29 100644 --- a/tools/mksunxiboot.c +++ b/tools/mksunxiboot.c @@ -70,11 +70,40 @@ int main(int argc, char *argv[]) struct boot_img img; unsigned file_size; int count; + char *tool_name = argv[0]; + char *default_dt = NULL; - if (argc < 2) { - printf("\tThis program makes an input bin file to sun4i " \ - "bootable image.\n" \ - "\tUsage: %s input_file out_putfile\n", argv[0]); + /* a sanity check */ + if ((sizeof(img.header) % 32) != 0) { + fprintf(stderr, "ERROR: the SPL header must be a multiple "); + fprintf(stderr, "of 32 bytes.\n"); + return EXIT_FAILURE; + } + + /* process optional command line switches */ + while (argc >= 2 && argv[1][0] == '-') { + if (strcmp(argv[1], "--default-dt") == 0) { + if (argc >= 3) { + default_dt = argv[2]; + argv += 2; + argc -= 2; + continue; + } + fprintf(stderr, "ERROR: no --default-dt arg\n"); + return EXIT_FAILURE; + } else { + fprintf(stderr, "ERROR: bad option '%s'\n", argv[1]); + return EXIT_FAILURE; + } + } + + if (argc < 3) { + printf("This program converts an input binary file to a sunxi bootable image.\n"); + printf("\nUsage: %s [options] input_file output_file\n", + tool_name); + printf("Where [options] may be:\n"); + printf(" --default-dt arg - 'arg' is the default device tree name\n"); + printf(" (CONFIG_DEFAULT_DEVICE_TREE).\n"); return EXIT_FAILURE; } @@ -122,6 +151,18 @@ int main(int argc, char *argv[]) memcpy(img.header.spl_signature, SPL_SIGNATURE, 3); /* "sunxi" marker */ img.header.spl_signature[3] = SPL_HEADER_VERSION; + if (default_dt) { + if (strlen(default_dt) + 1 <= sizeof(img.header.string_pool)) { + strcpy((char *)img.header.string_pool, default_dt); + img.header.dt_name_offset = + cpu_to_le32(offsetof(struct boot_file_head, + string_pool)); + } else { + printf("WARNING: The SPL header is too small\n"); + printf(" and has no space to store the dt name.\n"); + } + } + gen_check_sum(&img.header); count = write(fd_out, &img, le32_to_cpu(img.header.length)); |