From: Thierry Reding <tred...@nvidia.com>
This is easier to deal with and works just as well for this simple
function.
Signed-off-by: Thierry Reding <tred...@nvidia.com>
---
arch/arm/mach-tegra/Makefile | 2 +-
arch/arm/mach-tegra/cboot.c | 12 ++++++++++++
arch/arm/mach-tegra/cboot_ll.S | 20 --------------------
3 files changed, 13 insertions(+), 21 deletions(-)
delete mode 100644 arch/arm/mach-tegra/cboot_ll.S
diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
index 41ba674edff4..7165d70a60da 100644
--- a/arch/arm/mach-tegra/Makefile
+++ b/arch/arm/mach-tegra/Makefile
@@ -20,7 +20,7 @@ obj-$(CONFIG_TEGRA_PINCTRL) += pinmux-common.o
obj-$(CONFIG_TEGRA_PMC) += powergate.o
obj-y += xusb-padctl-dummy.o
-obj-$(CONFIG_ARM64) += arm64-mmu.o cboot_ll.o cboot.o
+obj-$(CONFIG_ARM64) += arm64-mmu.o cboot.o
obj-y += dt-setup.o
obj-$(CONFIG_TEGRA_CLOCK_SCALING) += emc.o
obj-$(CONFIG_TEGRA_GPU) += gpu.o
diff --git a/arch/arm/mach-tegra/cboot.c b/arch/arm/mach-tegra/cboot.c
index 3ebf7b055553..a302ca45f39b 100644
--- a/arch/arm/mach-tegra/cboot.c
+++ b/arch/arm/mach-tegra/cboot.c
@@ -52,6 +52,18 @@ static u64 ram_top __attribute__((section(".data")));
/* The base address of the region of RAM that ends at ram_top */
static u64 region_base __attribute__((section(".data")));
+/*
+ * Explicitly put this in the .data section because it is written before the
+ * .bss section is zeroed out but it needs to persist.
+ */
+unsigned long cboot_boot_x0 __attribute__((section(".data")));
+
+void cboot_save_boot_params(unsigned long x0, unsigned long x1,
+ unsigned long x2, unsigned long x3)
+{
+ cboot_boot_x0 = x0;
+}
+
int cboot_dram_init(void)
{
unsigned int na, ns;
diff --git a/arch/arm/mach-tegra/cboot_ll.S b/arch/arm/mach-tegra/cboot_ll.S
deleted file mode 100644
index 4c9ddacc2b39..000000000000
--- a/arch/arm/mach-tegra/cboot_ll.S
+++ /dev/null
@@ -1,20 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0+ */
-/*
- * Save cboot-related boot-time CPU state
- *
- * (C) Copyright 2015-2016 NVIDIA Corporation <www.nvidia.com>
- */
-
-#include <config.h>
-#include <linux/linkage.h>
-
-.align 8
-.globl cboot_boot_x0
-cboot_boot_x0:
- .dword 0
-
-ENTRY(cboot_save_boot_params)
- adr x8, cboot_boot_x0
- str x0, [x8]
- b save_boot_params_ret
-ENDPROC(cboot_save_boot_params)
--
2.21.0
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