diff options
Diffstat (limited to 'arch/arm/lib/bootm.c')
-rw-r--r-- | arch/arm/lib/bootm.c | 52 |
1 files changed, 47 insertions, 5 deletions
diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c index 53c3141322..35e6b06733 100644 --- a/arch/arm/lib/bootm.c +++ b/arch/arm/lib/bootm.c @@ -64,6 +64,10 @@ void arch_lmb_reserve(struct lmb *lmb) gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size - sp); } +__weak void board_quiesce_devices(void) +{ +} + /** * announce_and_cleanup() - Print message and prepare for kernel boot * @@ -84,6 +88,9 @@ static void announce_and_cleanup(int fake) #ifdef CONFIG_USB_DEVICE udc_disconnect(); #endif + + board_quiesce_devices(); + cleanup_before_linux(); } @@ -193,10 +200,6 @@ static void do_nonsec_virt_switch(void) { smp_kick_all_cpus(); dcache_disable(); /* flush cache before swtiching to EL2 */ - armv8_switch_to_el2(); -#ifdef CONFIG_ARMV8_SWITCH_TO_EL1 - armv8_switch_to_el1(); -#endif } #endif @@ -273,6 +276,28 @@ bool armv7_boot_nonsec(void) } #endif +#ifdef CONFIG_ARM64 +__weak void update_os_arch_secondary_cores(uint8_t os_arch) +{ +} + +#ifdef CONFIG_ARMV8_SWITCH_TO_EL1 +static void switch_to_el1(void) +{ + if ((IH_ARCH_DEFAULT == IH_ARCH_ARM64) && + (images.os.arch == IH_ARCH_ARM)) + armv8_switch_to_el1(0, (u64)gd->bd->bi_arch_number, + (u64)images.ft_addr, + (u64)images.ep, + ES_TO_AARCH32); + else + armv8_switch_to_el1((u64)images.ft_addr, 0, 0, + images.ep, + ES_TO_AARCH64); +} +#endif +#endif + /* Subcommand: GO */ static void boot_jump_linux(bootm_headers_t *images, int flag) { @@ -292,7 +317,24 @@ static void boot_jump_linux(bootm_headers_t *images, int flag) if (!fake) { do_nonsec_virt_switch(); - kernel_entry(images->ft_addr, NULL, NULL, NULL); + + update_os_arch_secondary_cores(images->os.arch); + +#ifdef CONFIG_ARMV8_SWITCH_TO_EL1 + armv8_switch_to_el2((u64)images->ft_addr, 0, 0, + (u64)switch_to_el1, ES_TO_AARCH64); +#else + if ((IH_ARCH_DEFAULT == IH_ARCH_ARM64) && + (images->os.arch == IH_ARCH_ARM)) + armv8_switch_to_el2(0, (u64)gd->bd->bi_arch_number, + (u64)images->ft_addr, + (u64)images->ep, + ES_TO_AARCH32); + else + armv8_switch_to_el2((u64)images->ft_addr, 0, 0, + images->ep, + ES_TO_AARCH64); +#endif } #else unsigned long machid = gd->bd->bi_arch_number; |