X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=arch%2Farm%2Flib%2Fbootm.c;h=4eee13a59c4be22269751a2bc0e4278379f451d1;hb=73eed452b9c9827474c0789c30729dca6fcf061d;hp=47ee070593b7fed5094df4312f6994fc2c205cec;hpb=91290cf728dd871c86f370119899789398d956af;p=oweals%2Fu-boot.git diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c index 47ee070593..4eee13a59c 100644 --- a/arch/arm/lib/bootm.c +++ b/arch/arm/lib/bootm.c @@ -18,11 +18,15 @@ #include #include #include +#include #include #include +#include #include +#include +#include -#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT) +#ifdef CONFIG_ARMV7_NONSEC #include #endif @@ -60,6 +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 * @@ -80,6 +88,9 @@ static void announce_and_cleanup(int fake) #ifdef CONFIG_USB_DEVICE udc_disconnect(); #endif + + board_quiesce_devices(); + cleanup_before_linux(); } @@ -184,27 +195,13 @@ static void setup_end_tag(bd_t *bd) __weak void setup_board_tags(struct tag **in_params) {} +#ifdef CONFIG_ARM64 static void do_nonsec_virt_switch(void) { -#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT) - if (armv7_switch_nonsec() == 0) -#ifdef CONFIG_ARMV7_VIRT - if (armv7_switch_hyp() == 0) - debug("entered HYP mode\n"); -#else - 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 + dcache_disable(); /* flush cache before swtiching to EL2 */ } +#endif /* Subcommand: PREP */ static void boot_prep_linux(bootm_headers_t *images) @@ -231,7 +228,17 @@ static void boot_prep_linux(bootm_headers_t *images) if (BOOTM_ENABLE_MEMORY_TAGS) setup_memory_tags(gd->bd); if (BOOTM_ENABLE_INITRD_TAG) { - if (images->rd_start && images->rd_end) { + /* + * In boot_ramdisk_high(), it may relocate ramdisk to + * a specified location. And set images->initrd_start & + * images->initrd_end to relocated ramdisk's start/end + * addresses. So use them instead of images->rd_start & + * images->rd_end when possible. + */ + if (images->initrd_start && images->initrd_end) { + setup_initrd_tag(gd->bd, images->initrd_start, + images->initrd_end); + } else if (images->rd_start && images->rd_end) { setup_initrd_tag(gd->bd, images->rd_start, images->rd_end); } @@ -242,17 +249,65 @@ static void boot_prep_linux(bootm_headers_t *images) printf("FDT and ATAGS support not compiled in - hanging\n"); hang(); } - do_nonsec_virt_switch(); } +__weak bool armv7_boot_nonsec_default(void) +{ +#ifdef CONFIG_ARMV7_BOOT_SEC_DEFAULT + return false; +#else + return true; +#endif +} + +#ifdef CONFIG_ARMV7_NONSEC +bool armv7_boot_nonsec(void) +{ + char *s = getenv("bootm_boot_mode"); + bool nonsec = armv7_boot_nonsec_default(); + + if (s && !strcmp(s, "sec")) + nonsec = false; + + if (s && !strcmp(s, "nonsec")) + nonsec = true; + + return nonsec; +} +#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) { #ifdef CONFIG_ARM64 - void (*kernel_entry)(void *fdt_addr); + void (*kernel_entry)(void *fdt_addr, void *res0, void *res1, + void *res2); int fake = (flag & BOOTM_STATE_OS_FAKE_GO); - kernel_entry = (void (*)(void *fdt_addr))images->ep; + kernel_entry = (void (*)(void *fdt_addr, void *res0, void *res1, + void *res2))images->ep; debug("## Transferring control to Linux (at address %lx)...\n", (ulong) kernel_entry); @@ -260,8 +315,27 @@ static void boot_jump_linux(bootm_headers_t *images, int flag) announce_and_cleanup(fake); - if (!fake) - kernel_entry(images->ft_addr); + if (!fake) { + do_nonsec_virt_switch(); + + 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; char *s; @@ -273,7 +347,10 @@ static void boot_jump_linux(bootm_headers_t *images, int flag) s = getenv("machid"); if (s) { - strict_strtoul(s, 16, &machid); + if (strict_strtoul(s, 16, &machid) < 0) { + debug("strict_strtoul failed!\n"); + return; + } printf("Using machid 0x%lx from environment\n", machid); } @@ -287,8 +364,16 @@ static void boot_jump_linux(bootm_headers_t *images, int flag) else r2 = gd->bd->bi_boot_params; - if (!fake) - kernel_entry(0, machid, r2); + if (!fake) { +#ifdef CONFIG_ARMV7_NONSEC + if (armv7_boot_nonsec()) { + armv7_init_nonsec(); + secure_ram_addr(_do_nonsec_entry)(kernel_entry, + 0, machid, r2); + } else +#endif + kernel_entry(0, machid, r2); + } #endif } @@ -298,7 +383,8 @@ static void boot_jump_linux(bootm_headers_t *images, int flag) * DIFFERENCE: Instead of calling prep and go at the end * they are called if subcommand is equal 0. */ -int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) +int do_bootm_linux(int flag, int argc, char * const argv[], + bootm_headers_t *images) { /* No need for those on ARM */ if (flag & BOOTM_STATE_OS_BD_T || flag & BOOTM_STATE_OS_CMDLINE) @@ -319,38 +405,6 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) return 0; } -#ifdef CONFIG_CMD_BOOTZ - -struct zimage_header { - uint32_t code[9]; - uint32_t zi_magic; - uint32_t zi_start; - uint32_t zi_end; -}; - -#define LINUX_ARM_ZIMAGE_MAGIC 0x016f2818 - -int bootz_setup(ulong image, ulong *start, ulong *end) -{ - struct zimage_header *zi; - - zi = (struct zimage_header *)map_sysmem(image, 0); - if (zi->zi_magic != LINUX_ARM_ZIMAGE_MAGIC) { - puts("Bad Linux ARM zImage magic!\n"); - return 1; - } - - *start = zi->zi_start; - *end = zi->zi_end; - - printf("Kernel image @ %#08lx [ %#08lx - %#08lx ]\n", image, *start, - *end); - - return 0; -} - -#endif /* CONFIG_CMD_BOOTZ */ - #if defined(CONFIG_BOOTM_VXWORKS) void boot_prep_vxworks(bootm_headers_t *images) { @@ -360,7 +414,7 @@ void boot_prep_vxworks(bootm_headers_t *images) if (images->ft_addr) { off = fdt_path_offset(images->ft_addr, "/memory"); if (off < 0) { - if (arch_fixup_memory_node(images->ft_addr)) + if (arch_fixup_fdt(images->ft_addr)) puts("## WARNING: fixup memory failed!\n"); } }