From: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
Now with the SD/MMC controller supported, lets add a bbu handler, so we
can use it to update the second stage boot loader partition.
Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
arch/arm/boards/stm32mp157c-dk2/board.c | 13 +++++++++++++
arch/arm/dts/stm32mp157a-dk1.dtsi | 4 ++++
arch/arm/mach-stm32mp/include/mach/bbu.h | 14 ++++++++++++++
3 files changed, 31 insertions(+)
create mode 100644 arch/arm/mach-stm32mp/include/mach/bbu.h
diff --git a/arch/arm/boards/stm32mp157c-dk2/board.c b/arch/arm/boards/stm32mp157c-dk2/board.c
index 9cb861af85d8..f15ae0b4aff0 100644
--- a/arch/arm/boards/stm32mp157c-dk2/board.c
+++ b/arch/arm/boards/stm32mp157c-dk2/board.c
@@ -4,6 +4,7 @@
#include <init.h>
#include <asm/memory.h>
#include <mach/stm32.h>
+#include <mach/bbu.h>
static int dk2_mem_init(void)
{
@@ -15,3 +16,15 @@ static int dk2_mem_init(void)
return 0;
}
mem_initcall(dk2_mem_init);
+
+static int dk2_postcore_init(void)
+{
+ if (!of_machine_is_compatible("st,stm32mp157c-dk2"))
+ return 0;
+
+ stm32mp_bbu_mmc_register_handler("sd", "/dev/mmc0.ssbl",
+ BBU_HANDLER_FLAG_DEFAULT);
+
+ return 0;
+}
+postcore_initcall(dk2_postcore_init);
diff --git a/arch/arm/dts/stm32mp157a-dk1.dtsi b/arch/arm/dts/stm32mp157a-dk1.dtsi
index 7f3b6fcf55ae..05a39d32e2fa 100644
--- a/arch/arm/dts/stm32mp157a-dk1.dtsi
+++ b/arch/arm/dts/stm32mp157a-dk1.dtsi
@@ -8,6 +8,10 @@
#include <dt-bindings/gpio/gpio.h>
/ {
+ aliases {
+ mmc0 = &sdmmc1;
+ };
+
chosen {
environment {
compatible = "barebox,environment";
diff --git a/arch/arm/mach-stm32mp/include/mach/bbu.h b/arch/arm/mach-stm32mp/include/mach/bbu.h
new file mode 100644
index 000000000000..8b9504400e9e
--- /dev/null
+++ b/arch/arm/mach-stm32mp/include/mach/bbu.h
@@ -0,0 +1,14 @@
+#ifndef MACH_STM32MP_BBU_H_
+#define MACH_STM32MP_BBU_H_
+
+#include <bbu.h>
+
+static inline int stm32mp_bbu_mmc_register_handler(const char *name,
+ const char *devicefile,
+ unsigned long flags)
+{
+ return bbu_register_std_file_update(name, flags, devicefile,
+ filetype_stm32_image_v1);
+}
+
+#endif /* MACH_STM32MP_BBU_H_ */
--
2.20.1
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