Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 79 insertions, 0 deletions

diff --git a/arch/arm/mach-at91/sama5.c b/arch/arm/mach-at91/sama5.c
new file mode 100644
index 0000000000..bf2b5c6a18
--- /dev/null
+++ b/arch/arm/mach-at91/sama5.c
@@ -0,0 +1,79 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ *  Setup code for SAMA5
+ *
+ *  Copyright (C) 2013 Atmel,
+ *                2013 Ludovic Desroches <ludovic.desroches@atmel.com>
+ */
+
+#include <linux/of.h>
+#include <linux/of_platform.h>
+
+#include <asm/hardware/cache-l2x0.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/outercache.h>
+#include <asm/system_misc.h>
+
+#include "generic.h"
+#include "sam_secure.h"
+
+static void sama5_l2c310_write_sec(unsigned long val, unsigned reg)
+{
+	/* OP-TEE configures the L2 cache and does not allow modifying it yet */
+}
+
+static void __init sama5_secure_cache_init(void)
+{
+	sam_secure_init();
+	if (IS_ENABLED(CONFIG_OUTER_CACHE) && sam_linux_is_optee_available())
+		outer_cache.write_sec = sama5_l2c310_write_sec;
+}
+
+static void __init sama5_dt_device_init(void)
+{
+	of_platform_default_populate(NULL, NULL, NULL);
+	sama5_pm_init();
+}
+
+static const char *const sama5_dt_board_compat[] __initconst = {
+	"atmel,sama5",
+	NULL
+};
+
+DT_MACHINE_START(sama5_dt, "Atmel SAMA5")
+	/* Maintainer: Atmel */
+	.init_machine	= sama5_dt_device_init,
+	.dt_compat	= sama5_dt_board_compat,
+MACHINE_END
+
+static const char *const sama5_alt_dt_board_compat[] __initconst = {
+	"atmel,sama5d4",
+	NULL
+};
+
+DT_MACHINE_START(sama5_alt_dt, "Atmel SAMA5")
+	/* Maintainer: Atmel */
+	.init_machine	= sama5_dt_device_init,
+	.dt_compat	= sama5_alt_dt_board_compat,
+	.l2c_aux_mask	= ~0UL,
+MACHINE_END
+
+static void __init sama5d2_init(void)
+{
+	of_platform_default_populate(NULL, NULL, NULL);
+	sama5d2_pm_init();
+}
+
+static const char *const sama5d2_compat[] __initconst = {
+	"atmel,sama5d2",
+	NULL
+};
+
+DT_MACHINE_START(sama5d2, "Atmel SAMA5")
+	/* Maintainer: Atmel */
+	.init_machine	= sama5d2_init,
+	.init_early	= sama5_secure_cache_init,
+	.dt_compat	= sama5d2_compat,
+	.l2c_aux_mask	= ~0UL,
+MACHINE_END