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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/mach-s3c/mach-s3c64xx-dt.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-s3c/mach-s3c64xx-dt.c')
-rw-r--r--arch/arm/mach-s3c/mach-s3c64xx-dt.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/mach-s3c64xx-dt.c b/arch/arm/mach-s3c/mach-s3c64xx-dt.c
new file mode 100644
index 000000000..00169c103
--- /dev/null
+++ b/arch/arm/mach-s3c/mach-s3c64xx-dt.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Samsung's S3C64XX flattened device tree enabled machine
+//
+// Copyright (c) 2013 Tomasz Figa <tomasz.figa@gmail.com>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/system_misc.h>
+
+#include "cpu.h"
+#include "map.h"
+
+#include "s3c64xx.h"
+
+/*
+ * IO mapping for shared system controller IP.
+ *
+ * FIXME: Make remaining drivers use dynamic mapping.
+ */
+static struct map_desc s3c64xx_dt_iodesc[] __initdata = {
+ {
+ .virtual = (unsigned long)S3C_VA_SYS,
+ .pfn = __phys_to_pfn(S3C64XX_PA_SYSCON),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ },
+};
+
+static void __init s3c64xx_dt_map_io(void)
+{
+ debug_ll_io_init();
+ iotable_init(s3c64xx_dt_iodesc, ARRAY_SIZE(s3c64xx_dt_iodesc));
+
+ s3c64xx_init_cpu();
+
+ if (!soc_is_s3c64xx())
+ panic("SoC is not S3C64xx!");
+}
+
+static const char *const s3c64xx_dt_compat[] __initconst = {
+ "samsung,s3c6400",
+ "samsung,s3c6410",
+ NULL
+};
+
+DT_MACHINE_START(S3C6400_DT, "Samsung S3C64xx (Flattened Device Tree)")
+ /* Maintainer: Tomasz Figa <tomasz.figa@gmail.com> */
+ .dt_compat = s3c64xx_dt_compat,
+ .map_io = s3c64xx_dt_map_io,
+MACHINE_END