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-rw-r--r--arch/arm/boards/stm32mp15xx-dkx/lowlevel.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/boards/stm32mp15xx-dkx/lowlevel.c b/arch/arm/boards/stm32mp15xx-dkx/lowlevel.c
new file mode 100644
index 0000000000..65f4bbb4da
--- /dev/null
+++ b/arch/arm/boards/stm32mp15xx-dkx/lowlevel.c
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0+
+#include <common.h>
+#include <mach/entry.h>
+#include <debug_ll.h>
+#include <mach/revision.h>
+
+extern char __dtb_z_stm32mp157c_dk2_start[];
+extern char __dtb_z_stm32mp157a_dk1_start[];
+
+static void setup_uart(void)
+{
+ /* first stage has set up the UART, so nothing to do here */
+ putc_ll('>');
+}
+
+ENTRY_FUNCTION(start_stm32mp15xx_dkx, r0, r1, r2)
+{
+ void *fdt;
+ u32 cputype;
+ int err;
+
+ stm32mp_cpu_lowlevel_init();
+
+ if (IS_ENABLED(CONFIG_DEBUG_LL))
+ setup_uart();
+
+ err = __stm32mp_get_cpu_type(&cputype);
+ if (!err && cputype == CPU_STM32MP157Axx)
+ fdt = __dtb_z_stm32mp157a_dk1_start;
+ else
+ fdt = __dtb_z_stm32mp157c_dk2_start;
+
+ stm32mp1_barebox_entry(fdt + get_runtime_offset());
+}