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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/arm/mach-spear/spear1310.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-spear/spear1310.c')
-rw-r--r--arch/arm/mach-spear/spear1310.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/arm/mach-spear/spear1310.c b/arch/arm/mach-spear/spear1310.c
new file mode 100644
index 0000000000..89d388388e
--- /dev/null
+++ b/arch/arm/mach-spear/spear1310.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * arch/arm/mach-spear13xx/spear1310.c
+ *
+ * SPEAr1310 machine source file
+ *
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <vireshk@kernel.org>
+ */
+
+#define pr_fmt(fmt) "SPEAr1310: " fmt
+
+#include <linux/amba/pl022.h>
+#include <linux/pata_arasan_cf_data.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include "generic.h"
+#include "spear.h"
+
+/* Base addresses */
+#define SPEAR1310_RAS_GRP1_BASE UL(0xD8000000)
+#define VA_SPEAR1310_RAS_GRP1_BASE UL(0xFA000000)
+
+static void __init spear1310_dt_init(void)
+{
+ platform_device_register_simple("spear-cpufreq", -1, NULL, 0);
+}
+
+static const char * const spear1310_dt_board_compat[] = {
+ "st,spear1310",
+ "st,spear1310-evb",
+ NULL,
+};
+
+/*
+ * Following will create 16MB static virtual/physical mappings
+ * PHYSICAL VIRTUAL
+ * 0xD8000000 0xFA000000
+ */
+static struct map_desc spear1310_io_desc[] __initdata = {
+ {
+ .virtual = VA_SPEAR1310_RAS_GRP1_BASE,
+ .pfn = __phys_to_pfn(SPEAR1310_RAS_GRP1_BASE),
+ .length = SZ_16M,
+ .type = MT_DEVICE
+ },
+};
+
+static void __init spear1310_map_io(void)
+{
+ iotable_init(spear1310_io_desc, ARRAY_SIZE(spear1310_io_desc));
+ spear13xx_map_io();
+}
+
+DT_MACHINE_START(SPEAR1310_DT, "ST SPEAr1310 SoC with Flattened Device Tree")
+ .smp = smp_ops(spear13xx_smp_ops),
+ .map_io = spear1310_map_io,
+ .init_time = spear13xx_timer_init,
+ .init_machine = spear1310_dt_init,
+ .restart = spear_restart,
+ .dt_compat = spear1310_dt_board_compat,
+MACHINE_END