summaryrefslogtreecommitdiff
path: root/board/sifive/fu540/spl.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/sifive/fu540/spl.c')
-rw-r--r--board/sifive/fu540/spl.c33
1 files changed, 32 insertions, 1 deletions
diff --git a/board/sifive/fu540/spl.c b/board/sifive/fu540/spl.c
index 135e118617..fe27316b2d 100644
--- a/board/sifive/fu540/spl.c
+++ b/board/sifive/fu540/spl.c
@@ -11,11 +11,17 @@
#include <misc.h>
#include <log.h>
#include <linux/delay.h>
+#include <linux/io.h>
#include <asm/gpio.h>
#include <asm/arch/gpio.h>
#include <asm/arch/spl.h>
-#define GEM_PHY_RESET SIFIVE_GENERIC_GPIO_NR(0, 12)
+#define GEM_PHY_RESET SIFIVE_GENERIC_GPIO_NR(0, 12)
+
+#define MODE_SELECT_REG 0x1000
+#define MODE_SELECT_QSPI 0x6
+#define MODE_SELECT_SD 0xb
+#define MODE_SELECT_MASK GENMASK(3, 0)
int spl_board_init_f(void)
{
@@ -55,3 +61,28 @@ int spl_board_init_f(void)
return 0;
}
+
+u32 spl_boot_device(void)
+{
+ u32 mode_select = readl((void *)MODE_SELECT_REG);
+ u32 boot_device = mode_select & MODE_SELECT_MASK;
+
+ switch (boot_device) {
+ case MODE_SELECT_QSPI:
+ return BOOT_DEVICE_SPI;
+ case MODE_SELECT_SD:
+ return BOOT_DEVICE_MMC1;
+ default:
+ debug("Unsupported boot device 0x%x but trying MMC1\n",
+ boot_device);
+ return BOOT_DEVICE_MMC1;
+ }
+}
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+ /* boot using first FIT config */
+ return 0;
+}
+#endif