[U-Boot] [PATCH 07/16] stm32mp1: update package information in device tree
Patrick Delaunay
patrick.delaunay at st.com
Fri Jun 21 13:21:45 UTC 2019
Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com>
---
arch/arm/Kconfig | 1 +
arch/arm/mach-stm32mp/Makefile | 1 +
arch/arm/mach-stm32mp/fdt.c | 45 ++++++++++++++++++++++++++++++++++++++++++
3 files changed, 47 insertions(+)
create mode 100644 arch/arm/mach-stm32mp/fdt.c
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 01ff57c..a44cc3b 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1478,6 +1478,7 @@ config ARCH_STM32MP
select MISC
select OF_CONTROL
select OF_LIBFDT
+ select OF_SYSTEM_SETUP
select PINCTRL
select REGMAP
select SUPPORT_SPL
diff --git a/arch/arm/mach-stm32mp/Makefile b/arch/arm/mach-stm32mp/Makefile
index 1493914..e59bd81 100644
--- a/arch/arm/mach-stm32mp/Makefile
+++ b/arch/arm/mach-stm32mp/Makefile
@@ -17,3 +17,4 @@ endif
endif
obj-$(CONFIG_ARMV7_PSCI) += psci.o
obj-$(CONFIG_$(SPL_)DM_REGULATOR) += pwr_regulator.o
+obj-$(CONFIG_OF_SYSTEM_SETUP) += fdt.o
diff --git a/arch/arm/mach-stm32mp/fdt.c b/arch/arm/mach-stm32mp/fdt.c
new file mode 100644
index 0000000..c635353
--- /dev/null
+++ b/arch/arm/mach-stm32mp/fdt.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
+/*
+ * Copyright (C) 2019, STMicroelectronics - All Rights Reserved
+ */
+
+#include <common.h>
+#include <fdt_support.h>
+#include <asm/arch/sys_proto.h>
+#include <dt-bindings/pinctrl/stm32-pinfunc.h>
+
+/*
+ * This function is called right before the kernel is booted. "blob" is the
+ * device tree that will be passed to the kernel.
+ */
+int ft_system_setup(void *blob, bd_t *bd)
+{
+ int ret = 0;
+ u32 pkg;
+
+ switch (get_cpu_package()) {
+ case PKG_AA_LBGA448:
+ pkg = STM32MP_PKG_AA;
+ break;
+ case PKG_AB_LBGA354:
+ pkg = STM32MP_PKG_AB;
+ break;
+ case PKG_AC_TFBGA361:
+ pkg = STM32MP_PKG_AC;
+ break;
+ case PKG_AD_TFBGA257:
+ pkg = STM32MP_PKG_AD;
+ break;
+ default:
+ pkg = 0;
+ break;
+ }
+ if (pkg) {
+ do_fixup_by_compat_u32(blob, "st,stm32mp157-pinctrl",
+ "st,package", pkg, false);
+ do_fixup_by_compat_u32(blob, "st,stm32mp157-z-pinctrl",
+ "st,package", pkg, false);
+ }
+
+ return ret;
+}
--
2.7.4
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