imx8: Select boot device dynamically

For fspi build, we will enable both SPL NOR support and SPL SPI
support. SPL will dynamically check the resource owner then
select corresponding boot device.

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>

diff --git a/arch/arm/mach-imx/imx8/cpu.c b/arch/arm/mach-imx/imx8/cpu.c
index e03193cb4cad3fb77824fca53718c41749e6cb23..103a29746a657fc1039179ca92f001f279fff5c7 100644 (file)
--- a/arch/arm/mach-imx/imx8/cpu.c
+++ b/arch/arm/mach-imx/imx8/cpu.c
@@ -22,6 +22,7 @@
 #include <asm/armv8/mmu.h>
 #include <asm/setup.h>
 #include <asm/mach-imx/boot_mode.h>
+#include <spl.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -573,3 +574,14 @@ u32 get_cpu_rev(void)
 
        return (id << 12) | rev;
 }
+
+void board_boot_order(u32 *spl_boot_list)
+{
+       spl_boot_list[0] = spl_boot_device();
+
+       if (spl_boot_list[0] == BOOT_DEVICE_SPI) {
+               /* Check whether we own the flexspi0, if not, use NOR boot */
+               if (!sc_rm_is_resource_owned(-1, SC_R_FSPI_0))
+                       spl_boot_list[0] = BOOT_DEVICE_NOR;
+       }
+}