diff options
Diffstat (limited to 'arch/arm/mach-imx/spl.c')
| -rw-r--r-- | arch/arm/mach-imx/spl.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/spl.c b/arch/arm/mach-imx/spl.c index c2845241d9d..427b7f78599 100644 --- a/arch/arm/mach-imx/spl.c +++ b/arch/arm/mach-imx/spl.c @@ -334,6 +334,20 @@ void board_spl_fit_post_load(const void *fit) } #endif +void *board_spl_fit_buffer_addr(ulong fit_size, int sectors, int bl_len) +{ + int align_len = ARCH_DMA_MINALIGN - 1; + + /* Some devices like SDP, NOR, NAND, SPI are using bl_len =1, so their fit address + * is different with SD/MMC, this cause mismatch with signed address. Thus, adjust + * the bl_len to align with SD/MMC. + */ + if (bl_len < 512) + bl_len = 512; + + return (void *)((CONFIG_SYS_TEXT_BASE - fit_size - bl_len - + align_len) & ~align_len); +} #endif #if defined(CONFIG_MX6) && defined(CONFIG_SPL_OS_BOOT) @@ -345,3 +359,36 @@ int dram_init_banksize(void) return 0; } #endif + +/* + * read the address where the IVT header must sit + * from IVT image header, loaded from SPL into + * an malloced buffer and copy the IVT header + * to this address + */ +void *spl_load_simple_fit_fix_load(const void *fit) +{ + struct ivt *ivt; + unsigned long new; + unsigned long offset; + unsigned long size; + u8 *tmp = (u8 *)fit; + + offset = ALIGN(fdt_totalsize(fit), 0x1000); + size = ALIGN(fdt_totalsize(fit), 4); + size = board_spl_fit_size_align(size); + tmp += offset; + ivt = (struct ivt *)tmp; + if (ivt->hdr.magic != IVT_HEADER_MAGIC) { + debug("no IVT header found\n"); + return (void *)fit; + } + debug("%s: ivt: %p offset: %lx size: %lx\n", __func__, ivt, offset, size); + debug("%s: ivt self: %x\n", __func__, ivt->self); + new = ivt->self; + new -= offset; + debug("%s: new %lx\n", __func__, new); + memcpy((void *)new, fit, size); + + return (void *)new; +} |