[U-Boot] [PATCH v5 12/23] Add spl load feature

[Simon Glass]

This adds secondary program loader support to the generic board.

Signed-off-by: Simon Glass <sjg at chromium.org>
---
Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None

 common/board_f.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/common/board_f.c b/common/board_f.c
index aa10f4b..3a8036f 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -309,6 +309,7 @@ static int reserve_uboot(void)
 	return 0;
 }
 
+#ifndef CONFIG_SPL_BUILD
 /* reserve memory for malloc() area */
 static int reserve_malloc(void)
 {
@@ -328,6 +329,7 @@ static int reserve_board(void)
 			sizeof(bd_t), gd->dest_addr_sp);
 	return 0;
 }
+#endif
 
 static int setup_machine(void)
 {
@@ -365,6 +367,7 @@ static int reserve_fdt(void)
 	return 0;
 }
 
+#ifndef CONFIG_SPL_BUILD
 static int reserve_stacks(void)
 {
 	/* setup stack pointer for exceptions */
@@ -384,6 +387,17 @@ static int reserve_stacks(void)
 
 	return 0;
 }
+#endif
+
+#ifdef CONFIG_SPL_BUILD
+static int reserve_stacks_spl(void)
+{
+	/* Why not -= ? */
+	gd->dest_addr_sp += 128;	/* leave 32 words for abort-stack */
+	gd->irq_sp = gd->dest_addr_sp;
+	return 0;
+}
+#endif
 
 static int display_new_sp(void)
 {
@@ -524,12 +538,18 @@ static init_fnc_t init_sequence_f[] = {
 	reserve_lcd,
 #endif
 	reserve_uboot,
+#ifndef CONFIG_SPL_BUILD
 	reserve_malloc,
 	reserve_board,
+#endif
 	setup_machine,
 	reserve_global_data,
 	reserve_fdt,
+#ifdef CONFIG_SPL_BUILD
+	reserve_stacks_spl,
+#else
 	reserve_stacks,
+#endif
 	setup_baud_rate,
 	display_new_sp,
 	reloc_fdt,
-- 
1.8.1