Introduce spl_boot_list array, which defines a list of boot devices
that SPL will try before hanging. By default this list will consist
of only spl_boot_device(), but board_boot_order() can be overridden
by board code to populate the array with custom values.
Signed-off-by: Nikita Kiryanov <nik...@compulab.co.il>
Cc: Igor Grinberg <grinb...@compulab.co.il>
Cc: Tom Rini <tr...@konsulko.com>
Cc: Simon Glass <s...@chromium.org>
---
Changes in V2:
- No changes.
common/spl/spl.c | 33 +++++++++++++++++++++++++++++----
1 file changed, 29 insertions(+), 4 deletions(-)
diff --git a/common/spl/spl.c b/common/spl/spl.c
index 56fccca..7913c52 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -178,6 +178,23 @@ int spl_init(void)
return 0;
}
+#ifndef BOOT_DEVICE_NONE
+#define BOOT_DEVICE_NONE 0xdeadbeef
+#endif
+
+static u32 spl_boot_list[] = {
+ BOOT_DEVICE_NONE,
+ BOOT_DEVICE_NONE,
+ BOOT_DEVICE_NONE,
+ BOOT_DEVICE_NONE,
+ BOOT_DEVICE_NONE,
+};
+
+__weak void board_boot_order(u32 *spl_boot_list)
+{
+ spl_boot_list[0] = spl_boot_device();
+}
+
static int spl_load_image(u32 boot_device)
{
switch (boot_device) {
@@ -247,7 +264,7 @@ static int spl_load_image(u32 boot_device)
void board_init_r(gd_t *dummy1, ulong dummy2)
{
- u32 boot_device;
+ int i;
debug(">>spl:board_init_r()\n");
@@ -272,10 +289,18 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
spl_board_init();
#endif
- boot_device = spl_boot_device();
- debug("boot device - %d\n", boot_device);
- if (spl_load_image(boot_device))
+ board_boot_order(spl_boot_list);
+ for (i = 0; i < ARRAY_SIZE(spl_boot_list) &&
+ spl_boot_list[i] != BOOT_DEVICE_NONE; i++) {
+ if (!spl_load_image(spl_boot_list[i]))
+ break;
+ }
+
+ if (i == ARRAY_SIZE(spl_boot_list) ||
+ spl_boot_list[i] == BOOT_DEVICE_NONE) {
+ puts("SPL: failed to boot from all boot devices\n");
hang();
+ }
switch (spl_image.os) {
case IH_OS_U_BOOT:
--
1.9.1
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