bloblist: Locate bloblist in U-Boot

Add support for locating a bloblist in U-Boot that has been set up by SPL.
It is copied into RAM during relocation.

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/common/board_f.c b/common/board_f.c
index f1a1432..290e2b0 100644 (file)
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -10,6 +10,7 @@
  */
 
 #include <common.h>
+#include <bloblist.h>
 #include <console.h>
 #include <cpu.h>
 #include <dm.h>
@@ -560,6 +561,16 @@ static int reserve_stacks(void)
        return arch_reserve_stacks();
 }
 
+static int reserve_bloblist(void)
+{
+#ifdef CONFIG_BLOBLIST
+       gd->start_addr_sp -= CONFIG_BLOBLIST_SIZE;
+       gd->new_bloblist = map_sysmem(gd->start_addr_sp, CONFIG_BLOBLIST_SIZE);
+#endif
+
+       return 0;
+}
+
 static int display_new_sp(void)
 {
        debug("New Stack Pointer is: %08lx\n", gd->start_addr_sp);
@@ -666,6 +677,24 @@ static int reloc_bootstage(void)
        return 0;
 }
 
+static int reloc_bloblist(void)
+{
+#ifdef CONFIG_BLOBLIST
+       if (gd->flags & GD_FLG_SKIP_RELOC)
+               return 0;
+       if (gd->new_bloblist) {
+               int size = CONFIG_BLOBLIST_SIZE;
+
+               debug("Copying bloblist from %p to %p, size %x\n",
+                     gd->bloblist, gd->new_bloblist, size);
+               memcpy(gd->new_bloblist, gd->bloblist, size);
+               gd->bloblist = gd->new_bloblist;
+       }
+#endif
+
+       return 0;
+}
+
 static int setup_reloc(void)
 {
        if (gd->flags & GD_FLG_SKIP_RELOC) {
@@ -813,6 +842,9 @@ static const init_fnc_t init_sequence_f[] = {
        initf_malloc,
        log_init,
        initf_bootstage,        /* uses its own timer, so does not need DM */
+#ifdef CONFIG_BLOBLIST
+       bloblist_init,
+#endif
        initf_console_record,
 #if defined(CONFIG_HAVE_FSP)
        arch_fsp_init,
@@ -913,6 +945,7 @@ static const init_fnc_t init_sequence_f[] = {
        reserve_global_data,
        reserve_fdt,
        reserve_bootstage,
+       reserve_bloblist,
        reserve_arch,
        reserve_stacks,
        dram_init_banksize,
@@ -932,6 +965,7 @@ static const init_fnc_t init_sequence_f[] = {
        INIT_FUNC_WATCHDOG_RESET
        reloc_fdt,
        reloc_bootstage,
+       reloc_bloblist,
        setup_reloc,
 #if defined(CONFIG_X86) || defined(CONFIG_ARC)
        copy_uboot_to_ram,

diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h
index c83fc01..ccf361e 100644 (file)
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -122,6 +122,10 @@ typedef struct global_data {
        struct list_head log_head;      /* List of struct log_device */
        int log_fmt;                    /* Mask containing log format info */
 #endif
+#if CONFIG_IS_ENABLED(BLOBLIST)
+       struct bloblist_hdr *bloblist;  /* Bloblist information */
+       struct bloblist_hdr *new_bloblist;      /* Relocated blolist info */
+#endif
 } gd_t;
 #endif