From: Simon Glass <sjg@chromium.org>
Date: Fri, 16 Nov 2018 01:43:52 +0000 (-0700)
Subject: bloblist: Locate bloblist in U-Boot
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=f0293d33b729955feb379aeab8a5e055c703526f;p=u-boot.git

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 f1a1432d86..290e2b09b9 100644
--- 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 c83fc01b76..ccf361ed88 100644
--- 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