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-rw-r--r--common/spl/spl.c135
1 files changed, 108 insertions, 27 deletions
diff --git a/common/spl/spl.c b/common/spl/spl.c
index 12f9359c0a..35120b6efd 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -7,8 +7,10 @@
*/
#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>
@@ -44,6 +46,14 @@ static bd_t bdata __attribute__ ((section(".data")));
*/
__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.
@@ -57,19 +67,12 @@ __weak void show_boot_progress(int val) {}
#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.
@@ -100,13 +103,13 @@ void spl_fixup_fdt(void)
/* 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
@@ -185,7 +188,7 @@ static int spl_load_fit_image(struct spl_image_info *spl_image,
spl_image->os = IH_OS_U_BOOT;
spl_image->name = "U-Boot";
- debug("spl: payload image: %32s load addr: 0x%lx size: %d\n",
+ 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
@@ -255,7 +258,8 @@ int spl_parse_image_header(struct spl_image_info *spl_image,
}
spl_image->os = image_get_os(header);
spl_image->name = image_get_name(header);
- debug("spl: payload image: %32s load addr: 0x%lx size: %d\n",
+ 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 */
@@ -284,7 +288,8 @@ int spl_parse_image_header(struct spl_image_info *spl_image,
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;
}
@@ -316,6 +321,44 @@ __weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
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;
+}
+
+static int write_spl_handoff(void)
+{
+ struct spl_handoff *ho;
+
+ ho = bloblist_find(BLOBLISTT_SPL_HANDOFF, sizeof(struct spl_handoff));
+ if (!ho)
+ return -ENOENT;
+ handoff_save_dram(ho);
+#ifdef CONFIG_SANDBOX
+ ho->arch.magic = TEST_HANDOFF_MAGIC;
+#endif
+ 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;
@@ -336,6 +379,30 @@ static int spl_common_init(bool setup_malloc)
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(BLOBLIST)) {
+ ret = bloblist_init();
+ if (ret) {
+ debug("%s: Failed to set up bloblist: ret=%d\n",
+ __func__, ret);
+ return ret;
+ }
+ }
+ 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(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)) {
ret = fdtdec_setup();
if (ret) {
@@ -359,6 +426,10 @@ static int spl_common_init(bool setup_malloc)
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;
}
@@ -453,7 +524,7 @@ static int boot_from_devices(struct spl_image_info *spl_image,
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];
@@ -474,15 +545,12 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
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);
@@ -504,6 +572,9 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
spl_board_init();
#endif
+ if (IS_ENABLED(CONFIG_SPL_OS_BOOT) || CONFIG_IS_ENABLED(HANDOFF))
+ dram_init_banksize();
+
bootcount_inc();
memset(&spl_image, '\0', sizeof(spl_image));
@@ -515,11 +586,23 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
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;
@@ -556,8 +639,6 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
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);
@@ -583,9 +664,9 @@ void preloader_console_init(void)
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();