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authorNicolas Ferre <nicolas.ferre@atmel.com>2015-01-27 16:41:55 +0100
committerNicolas Ferre <nicolas.ferre@atmel.com>2015-02-02 11:01:28 +0100
commitcac0172389688b861d269eb4f1fee679d21a1372 (patch)
treeafdaea62610ff681571aaeee2a709ed22a4aa450 /arch/arm/mach-at91/at91rm9200.c
parentARM: at91: remove at91_boot_soc (diff)
downloadlinux-dev-cac0172389688b861d269eb4f1fee679d21a1372.tar.xz
linux-dev-cac0172389688b861d269eb4f1fee679d21a1372.zip
ARM: at91: change board files into SoC files
As board files are now DT only and can address all aspects of the SoC family, we can rename them so that the mach-at91 directory looks cleaner. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'arch/arm/mach-at91/at91rm9200.c')
-rw-r--r--arch/arm/mach-at91/at91rm9200.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c
new file mode 100644
index 000000000000..ec89806c9d5d
--- /dev/null
+++ b/arch/arm/mach-at91/at91rm9200.c
@@ -0,0 +1,68 @@
+/*
+ * Setup code for AT91RM9200
+ *
+ * Copyright (C) 2011 Atmel,
+ * 2011 Nicolas Ferre <nicolas.ferre@atmel.com>
+ * 2012 Joachim Eastwood <manabian@gmail.com>
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/gpio.h>
+#include <linux/of.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <linux/clk-provider.h>
+
+#include <asm/setup.h>
+#include <asm/irq.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+#include <asm/system_misc.h>
+
+#include <mach/at91_st.h>
+
+#include "generic.h"
+
+static void at91rm9200_restart(enum reboot_mode reboot_mode, const char *cmd)
+{
+ /*
+ * Perform a hardware reset with the use of the Watchdog timer.
+ */
+ at91_st_write(AT91_ST_WDMR, AT91_ST_RSTEN | AT91_ST_EXTEN | 1);
+ at91_st_write(AT91_ST_CR, AT91_ST_WDRST);
+}
+
+static void __init at91rm9200_dt_timer_init(void)
+{
+ of_clk_init(NULL);
+ at91rm9200_timer_init();
+}
+
+static void __init rm9200_dt_device_init(void)
+{
+ of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+
+ arm_pm_idle = at91rm9200_idle;
+ arm_pm_restart = at91rm9200_restart;
+ at91_rm9200_pm_init();
+}
+
+
+
+static const char *at91rm9200_dt_board_compat[] __initconst = {
+ "atmel,at91rm9200",
+ NULL
+};
+
+DT_MACHINE_START(at91rm9200_dt, "Atmel AT91RM9200 (Device Tree)")
+ .init_time = at91rm9200_dt_timer_init,
+ .map_io = at91_map_io,
+ .init_early = at91_dt_initialize,
+ .init_machine = rm9200_dt_device_init,
+ .dt_compat = at91rm9200_dt_board_compat,
+MACHINE_END