X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Flib%2Fbootm.c;h=47ee070593b7fed5094df4312f6994fc2c205cec;hb=2eb268f6fd236a5ad9d51e7e47190d7994b3920f;hp=f476a89702262508c2da32a78007ff4056a51050;hpb=3be2bdf5dc69b3142c1162a59bc67191c9077567;p=u-boot diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c index f476a89702..47ee070593 100644 --- a/arch/arm/lib/bootm.c +++ b/arch/arm/lib/bootm.c @@ -71,8 +71,7 @@ static void announce_and_cleanup(int fake) "(fake run for tracing)" : ""); bootstage_mark_name(BOOTSTAGE_ID_BOOTM_HANDOFF, "start_kernel"); #ifdef CONFIG_BOOTSTAGE_FDT - if (flag == BOOTM_STATE_OS_FAKE_GO) - bootstage_fdt_add_report(); + bootstage_fdt_add_report(); #endif #ifdef CONFIG_BOOTSTAGE_REPORT bootstage_report(); @@ -196,6 +195,15 @@ static void do_nonsec_virt_switch(void) debug("entered non-secure state\n"); #endif #endif + +#ifdef CONFIG_ARM64 + smp_kick_all_cpus(); + flush_dcache_all(); /* flush cache before swtiching to EL2 */ + armv8_switch_to_el2(); +#ifdef CONFIG_ARMV8_SWITCH_TO_EL1 + armv8_switch_to_el1(); +#endif +#endif } /* Subcommand: PREP */ @@ -240,6 +248,21 @@ static void boot_prep_linux(bootm_headers_t *images) /* Subcommand: GO */ static void boot_jump_linux(bootm_headers_t *images, int flag) { +#ifdef CONFIG_ARM64 + void (*kernel_entry)(void *fdt_addr); + int fake = (flag & BOOTM_STATE_OS_FAKE_GO); + + kernel_entry = (void (*)(void *fdt_addr))images->ep; + + debug("## Transferring control to Linux (at address %lx)...\n", + (ulong) kernel_entry); + bootstage_mark(BOOTSTAGE_ID_RUN_OS); + + announce_and_cleanup(fake); + + if (!fake) + kernel_entry(images->ft_addr); +#else unsigned long machid = gd->bd->bi_arch_number; char *s; void (*kernel_entry)(int zero, int arch, uint params); @@ -266,6 +289,7 @@ static void boot_jump_linux(bootm_headers_t *images, int flag) if (!fake) kernel_entry(0, machid, r2); +#endif } /* Main Entry point for arm bootm implementation @@ -326,3 +350,26 @@ int bootz_setup(ulong image, ulong *start, ulong *end) } #endif /* CONFIG_CMD_BOOTZ */ + +#if defined(CONFIG_BOOTM_VXWORKS) +void boot_prep_vxworks(bootm_headers_t *images) +{ +#if defined(CONFIG_OF_LIBFDT) + int off; + + if (images->ft_addr) { + off = fdt_path_offset(images->ft_addr, "/memory"); + if (off < 0) { + if (arch_fixup_memory_node(images->ft_addr)) + puts("## WARNING: fixup memory failed!\n"); + } + } +#endif + cleanup_before_linux(); +} +void boot_jump_vxworks(bootm_headers_t *images) +{ + /* ARM VxWorks requires device tree physical address to be passed */ + ((void (*)(void *))images->ep)(images->ft_addr); +} +#endif