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-rw-r--r--arch/arm/mach-bcm/board_bcm281xx.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm/mach-bcm/board_bcm281xx.c b/arch/arm/mach-bcm/board_bcm281xx.c
new file mode 100644
index 000000000000..8d9f931164bb
--- /dev/null
+++ b/arch/arm/mach-bcm/board_bcm281xx.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2012-2013 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/of_platform.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/clocksource.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+#include <asm/hardware/cache-l2x0.h>
+
+#include "bcm_kona_smc.h"
+#include "kona.h"
+
+static int __init kona_l2_cache_init(void)
+{
+ if (!IS_ENABLED(CONFIG_CACHE_L2X0))
+ return 0;
+
+ if (bcm_kona_smc_init() < 0) {
+ pr_info("Kona secure API not available. Skipping L2 init\n");
+ return 0;
+ }
+
+ bcm_kona_smc(SSAPI_ENABLE_L2_CACHE, 0, 0, 0, 0);
+
+ /*
+ * The aux_val and aux_mask have no effect since L2 cache is already
+ * enabled. Pass 0s for aux_val and 1s for aux_mask for default value.
+ */
+ return l2x0_of_init(0, ~0);
+}
+
+static void bcm_board_setup_restart(void)
+{
+ struct device_node *np;
+
+ np = of_find_compatible_node(NULL, NULL, "brcm,bcm11351");
+ if (np) {
+ if (of_device_is_available(np))
+ bcm_kona_setup_restart();
+ of_node_put(np);
+ }
+ /* Restart setup for other boards goes here */
+}
+
+static void __init board_init(void)
+{
+ of_platform_populate(NULL, of_default_bus_match_table, NULL,
+ &platform_bus);
+
+ bcm_board_setup_restart();
+ kona_l2_cache_init();
+}
+
+static const char * const bcm11351_dt_compat[] = { "brcm,bcm11351", NULL, };
+
+DT_MACHINE_START(BCM11351_DT, "Broadcom Application Processor")
+ .init_time = clocksource_of_init,
+ .init_machine = board_init,
+ .restart = bcm_kona_restart,
+ .dt_compat = bcm11351_dt_compat,
+MACHINE_END