*/
#include <common.h>
+#include <bloblist.h>
#include <binman_sym.h>
#include <dm.h>
+#include <handoff.h>
#include <spl.h>
#include <asm/u-boot.h>
#include <nand.h>
#include <linux/compiler.h>
#include <fdt_support.h>
#include <bootcount.h>
+#include <wdt.h>
DECLARE_GLOBAL_DATA_PTR;
*/
__weak void show_boot_progress(int val) {}
+#if defined(CONFIG_SPL_OS_BOOT) || CONFIG_IS_ENABLED(HANDOFF)
+/* weak, default platform-specific function to initialize dram banks */
+__weak int dram_init_banksize(void)
+{
+ return 0;
+}
+#endif
+
/*
* Default function to determine if u-boot or the OS should
* be started. This implementation always returns 1.
#ifdef CONFIG_SPL_OS_BOOT
__weak int spl_start_uboot(void)
{
- puts("SPL: Please implement spl_start_uboot() for your board\n");
- puts("SPL: Direct Linux boot not active!\n");
+ puts(SPL_TPL_PROMPT
+ "Please implement spl_start_uboot() for your board\n");
+ puts(SPL_TPL_PROMPT "Direct Linux boot not active!\n");
return 1;
}
-/* weak default platform specific function to initialize
- * dram banks
- */
-__weak int dram_init_banksize(void)
-{
- return 0;
-}
-
/*
* Weak default function for arch specific zImage check. Return zero
* and fill start and end address if image is recognized.
/* fixup the memory dt node */
err = fdt_shrink_to_minimum(fdt_blob, 0);
if (err == 0) {
- printf("spl: fdt_shrink_to_minimum err - %d\n", err);
+ printf(SPL_TPL_PROMPT "fdt_shrink_to_minimum err - %d\n", err);
return;
}
err = arch_fixup_fdt(fdt_blob);
if (err) {
- printf("spl: arch_fixup_fdt err - %d\n", err);
+ printf(SPL_TPL_PROMPT "arch_fixup_fdt err - %d\n", err);
return;
}
#endif
spl_image->os = IH_OS_U_BOOT;
spl_image->name = "U-Boot";
- debug("spl: payload image: %.*s load addr: 0x%lx size: %d\n",
- (int)sizeof(spl_image->name), spl_image->name,
- spl_image->load_addr, spl_image->size);
+ debug(SPL_TPL_PROMPT "payload image: %32s load addr: 0x%lx size: %d\n",
+ spl_image->name, spl_image->load_addr, spl_image->size);
#ifdef CONFIG_SPL_FIT_SIGNATURE
images.verify = 1;
#endif
- fit_image_load(&images, (ulong)header,
+ ret = fit_image_load(&images, (ulong)header,
&fit_uname_fdt, &fit_uname_config,
IH_ARCH_DEFAULT, IH_TYPE_FLATDT, -1,
FIT_LOAD_OPTIONAL, &dt_data, &dt_len);
+ if (ret >= 0)
+ spl_image->fdt_addr = (void *)dt_data;
conf_noffset = fit_conf_get_node((const void *)header,
fit_uname_config);
#ifdef CONFIG_SPL_LEGACY_IMAGE_SUPPORT
u32 header_size = sizeof(struct image_header);
+#ifdef CONFIG_SPL_LEGACY_IMAGE_CRC_CHECK
+ /* check uImage header CRC */
+ if (!image_check_hcrc(header)) {
+ puts("SPL: Image header CRC check failed!\n");
+ return -EINVAL;
+ }
+#endif
+
if (spl_image->flags & SPL_COPY_PAYLOAD_ONLY) {
/*
* On some system (e.g. powerpc), the load-address and
spl_image->size = image_get_data_size(header) +
header_size;
}
+#ifdef CONFIG_SPL_LEGACY_IMAGE_CRC_CHECK
+ /* store uImage data length and CRC to check later */
+ spl_image->dcrc_data = image_get_load(header);
+ spl_image->dcrc_length = image_get_data_size(header);
+ spl_image->dcrc = image_get_dcrc(header);
+#endif
+
spl_image->os = image_get_os(header);
spl_image->name = image_get_name(header);
- debug("spl: payload image: %.*s load addr: 0x%lx size: %d\n",
- IH_NMLEN, spl_image->name,
- spl_image->load_addr, spl_image->size);
+ debug(SPL_TPL_PROMPT
+ "payload image: %32s load addr: 0x%lx size: %d\n",
+ spl_image->name, spl_image->load_addr, spl_image->size);
#else
/* LEGACY image not supported */
debug("Legacy boot image support not enabled, proceeding to other boot methods\n");
spl_image->load_addr = CONFIG_SYS_LOAD_ADDR;
spl_image->entry_point = CONFIG_SYS_LOAD_ADDR;
spl_image->size = end - start;
- debug("spl: payload zImage, load addr: 0x%lx size: %d\n",
+ debug(SPL_TPL_PROMPT
+ "payload zImage, load addr: 0x%lx size: %d\n",
spl_image->load_addr, spl_image->size);
return 0;
}
image_entry_noargs_t image_entry =
(image_entry_noargs_t)spl_image->entry_point;
- debug("image entry point: 0x%lX\n", spl_image->entry_point);
+ debug("image entry point: 0x%lx\n", spl_image->entry_point);
image_entry();
}
+#if CONFIG_IS_ENABLED(HANDOFF)
+/**
+ * Set up the SPL hand-off information
+ *
+ * This is initially empty (zero) but can be written by
+ */
+static int setup_spl_handoff(void)
+{
+ struct spl_handoff *ho;
+
+ ho = bloblist_ensure(BLOBLISTT_SPL_HANDOFF, sizeof(struct spl_handoff));
+ if (!ho)
+ return -ENOENT;
+
+ return 0;
+}
+
+__weak int handoff_arch_save(struct spl_handoff *ho)
+{
+ return 0;
+}
+
+static int write_spl_handoff(void)
+{
+ struct spl_handoff *ho;
+ int ret;
+
+ ho = bloblist_find(BLOBLISTT_SPL_HANDOFF, sizeof(struct spl_handoff));
+ if (!ho)
+ return -ENOENT;
+ handoff_save_dram(ho);
+ ret = handoff_arch_save(ho);
+ if (ret)
+ return ret;
+ debug(SPL_TPL_PROMPT "Wrote SPL handoff\n");
+
+ return 0;
+}
+#else
+static inline int setup_spl_handoff(void) { return 0; }
+static inline int write_spl_handoff(void) { return 0; }
+
+#endif /* HANDOFF */
+
static int spl_common_init(bool setup_malloc)
{
int ret;
return ret;
}
bootstage_mark_name(BOOTSTAGE_ID_START_SPL, "spl");
+#if CONFIG_IS_ENABLED(LOG)
+ ret = log_init();
+ if (ret) {
+ debug("%s: Failed to set up logging\n", __func__);
+ return ret;
+ }
+#endif
if (CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)) {
ret = fdtdec_setup();
if (ret) {
void spl_set_bd(void)
{
+ /*
+ * NOTE: On some platforms (e.g. x86) bdata may be in flash and not
+ * writeable.
+ */
if (!gd->bd)
gd->bd = &bdata;
}
static int spl_load_image(struct spl_image_info *spl_image,
struct spl_image_loader *loader)
{
+ int ret;
struct spl_boot_device bootdev;
bootdev.boot_device = loader->boot_device;
bootdev.boot_device_name = NULL;
- return loader->load_image(spl_image, &bootdev);
+ ret = loader->load_image(spl_image, &bootdev);
+#ifdef CONFIG_SPL_LEGACY_IMAGE_CRC_CHECK
+ if (!ret && spl_image->dcrc_length) {
+ /* check data crc */
+ ulong dcrc = crc32_wd(0, (unsigned char *)spl_image->dcrc_data,
+ spl_image->dcrc_length, CHUNKSZ_CRC32);
+ if (dcrc != spl_image->dcrc) {
+ puts("SPL: Image data CRC check failed!\n");
+ ret = -EINVAL;
+ }
+ }
+#endif
+ return ret;
}
/**
- * boot_from_devices() - Try loading an booting U-Boot from a list of devices
+ * boot_from_devices() - Try loading a booting U-Boot from a list of devices
*
* @spl_image: Place to put the image details if successful
* @spl_boot_list: List of boot devices to try
if (loader)
printf("Trying to boot from %s\n", loader->name);
else
- puts("SPL: Unsupported Boot Device!\n");
+ puts(SPL_TPL_PROMPT "Unsupported Boot Device!\n");
#endif
if (loader && !spl_load_image(spl_image, loader)) {
spl_image->boot_device = spl_boot_list[i];
BOOT_DEVICE_NONE,
};
struct spl_image_info spl_image;
+ int ret;
- debug(">>spl:board_init_r()\n");
+ debug(">>" SPL_TPL_PROMPT "board_init_r()\n");
spl_set_bd();
-#ifdef CONFIG_SPL_OS_BOOT
- dram_init_banksize();
-#endif
-
#if defined(CONFIG_SYS_SPL_MALLOC_START)
mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START,
CONFIG_SYS_SPL_MALLOC_SIZE);
*/
timer_init();
#endif
+ if (CONFIG_IS_ENABLED(BLOBLIST)) {
+ ret = bloblist_init();
+ if (ret) {
+ debug("%s: Failed to set up bloblist: ret=%d\n",
+ __func__, ret);
+ puts(SPL_TPL_PROMPT "Cannot set up bloblist\n");
+ hang();
+ }
+ }
+ if (CONFIG_IS_ENABLED(HANDOFF)) {
+ int ret;
+
+ ret = setup_spl_handoff();
+ if (ret) {
+ puts(SPL_TPL_PROMPT "Cannot set up SPL handoff\n");
+ hang();
+ }
+ }
#if CONFIG_IS_ENABLED(BOARD_INIT)
spl_board_init();
#endif
+#if defined(CONFIG_SPL_WATCHDOG_SUPPORT) && CONFIG_IS_ENABLED(WDT)
+ initr_watchdog();
+#endif
+
+ if (IS_ENABLED(CONFIG_SPL_OS_BOOT) || CONFIG_IS_ENABLED(HANDOFF))
+ dram_init_banksize();
+
bootcount_inc();
memset(&spl_image, '\0', sizeof(spl_image));
if (boot_from_devices(&spl_image, spl_boot_list,
ARRAY_SIZE(spl_boot_list))) {
- puts("SPL: failed to boot from all boot devices\n");
+ puts(SPL_TPL_PROMPT "failed to boot from all boot devices\n");
hang();
}
spl_perform_fixups(&spl_image);
+ if (CONFIG_IS_ENABLED(HANDOFF)) {
+ ret = write_spl_handoff();
+ if (ret)
+ printf(SPL_TPL_PROMPT
+ "SPL hand-off write failed (err=%d)\n", ret);
+ }
+ if (CONFIG_IS_ENABLED(BLOBLIST)) {
+ ret = bloblist_finish();
+ if (ret)
+ printf("Warning: Failed to finish bloblist (ret=%d)\n",
+ ret);
+ }
#ifdef CONFIG_CPU_V7M
spl_image.entry_point |= 0x1;
spl_invoke_atf(&spl_image);
break;
#endif
+#if CONFIG_IS_ENABLED(OPTEE)
+ case IH_OS_TEE:
+ debug("Jumping to U-Boot via OP-TEE\n");
+ spl_optee_entry(NULL, NULL, spl_image.fdt_addr,
+ (void *)spl_image.entry_point);
+ break;
+#endif
+#if CONFIG_IS_ENABLED(OPENSBI)
+ case IH_OS_OPENSBI:
+ debug("Jumping to U-Boot via RISC-V OpenSBI\n");
+ spl_invoke_opensbi(&spl_image);
+ break;
+#endif
#ifdef CONFIG_SPL_OS_BOOT
case IH_OS_LINUX:
debug("Jumping to Linux\n");
debug("Unsupported OS image.. Jumping nevertheless..\n");
}
#if CONFIG_VAL(SYS_MALLOC_F_LEN) && !defined(CONFIG_SYS_SPL_MALLOC_SIZE)
- debug("SPL malloc() used %#lx bytes (%ld KB)\n", gd->malloc_ptr,
+ debug("SPL malloc() used 0x%lx bytes (%ld KB)\n", gd->malloc_ptr,
gd->malloc_ptr / 1024);
#endif
#ifdef CONFIG_BOOTSTAGE_STASH
- int ret;
-
bootstage_mark_name(BOOTSTAGE_ID_END_SPL, "end_spl");
ret = bootstage_stash((void *)CONFIG_BOOTSTAGE_STASH_ADDR,
CONFIG_BOOTSTAGE_STASH_SIZE);
gd->have_console = 1;
-#ifndef CONFIG_SPL_DISABLE_BANNER_PRINT
- puts("\nU-Boot SPL " PLAIN_VERSION " (" U_BOOT_DATE " - " \
- U_BOOT_TIME " " U_BOOT_TZ ")\n");
+#if CONFIG_IS_ENABLED(BANNER_PRINT)
+ puts("\nU-Boot " SPL_TPL_NAME " " PLAIN_VERSION " (" U_BOOT_DATE " - "
+ U_BOOT_TIME " " U_BOOT_TZ ")\n");
#endif
#ifdef CONFIG_SPL_DISPLAY_PRINT
spl_display_print();
}
#endif
+/**
+ * This function is called before the stack is changed from initial stack to
+ * relocated stack. It tries to dump the stack size used
+ */
+__weak void spl_relocate_stack_check(void)
+{
+#if CONFIG_IS_ENABLED(SYS_REPORT_STACK_F_USAGE)
+ ulong init_sp = gd->start_addr_sp;
+ ulong stack_bottom = init_sp - CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK);
+ u8 *ptr = (u8 *)stack_bottom;
+ ulong i;
+
+ for (i = 0; i < CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK); i++) {
+ if (*ptr != CONFIG_VAL(SYS_STACK_F_CHECK_BYTE))
+ break;
+ ptr++;
+ }
+ printf("SPL initial stack usage: %lu bytes\n",
+ CONFIG_VAL(SIZE_LIMIT_PROVIDE_STACK) - i);
+#endif
+}
+
/**
* spl_relocate_stack_gd() - Relocate stack ready for board_init_r() execution
*
gd_t *new_gd;
ulong ptr = CONFIG_SPL_STACK_R_ADDR;
+ if (CONFIG_IS_ENABLED(SYS_REPORT_STACK_F_USAGE))
+ spl_relocate_stack_check();
+
#if defined(CONFIG_SPL_SYS_MALLOC_SIMPLE) && CONFIG_VAL(SYS_MALLOC_F_LEN)
if (CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN) {
+ debug("SPL malloc() before relocation used 0x%lx bytes (%ld KB)\n",
+ gd->malloc_ptr, gd->malloc_ptr / 1024);
ptr -= CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
gd->malloc_base = ptr;
gd->malloc_limit = CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN;
#if CONFIG_IS_ENABLED(DM)
dm_fixup_for_gd_move(new_gd);
#endif
-#if !defined(CONFIG_ARM)
+#if !defined(CONFIG_ARM) && !defined(CONFIG_RISCV)
gd = new_gd;
#endif
return ptr;