Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / arch / arm / mach-nspire / nspire.c

diff --git a/kernel/arch/arm/mach-nspire/nspire.c b/kernel/arch/arm/mach-nspire/nspire.c
new file mode 100644 (file)
index 0000000..3445a56
--- /dev/null
+++ b/kernel/arch/arm/mach-nspire/nspire.c
@@ -0,0 +1,80 @@
+/*
+ *     linux/arch/arm/mach-nspire/nspire.c
+ *
+ *     Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ *
+ */
+#include <linux/init.h>
+#include <linux/of_irq.h>
+#include <linux/of_address.h>
+#include <linux/of_platform.h>
+#include <linux/irqchip.h>
+#include <linux/irqchip/arm-vic.h>
+#include <linux/clkdev.h>
+#include <linux/amba/bus.h>
+#include <linux/amba/clcd.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+#include <asm/mach/map.h>
+
+#include <asm/hardware/timer-sp.h>
+
+#include "mmio.h"
+#include "clcd.h"
+
+static const char *const nspire_dt_match[] __initconst = {
+       "ti,nspire",
+       "ti,nspire-cx",
+       "ti,nspire-tp",
+       "ti,nspire-clp",
+       NULL,
+};
+
+static void __init nspire_map_io(void)
+{
+       debug_ll_io_init();
+}
+
+static struct clcd_board nspire_clcd_data = {
+       .name           = "LCD",
+       .caps           = CLCD_CAP_5551 | CLCD_CAP_565,
+       .check          = clcdfb_check,
+       .decode         = clcdfb_decode,
+       .setup          = nspire_clcd_setup,
+       .mmap           = nspire_clcd_mmap,
+       .remove         = nspire_clcd_remove,
+};
+
+
+static struct of_dev_auxdata nspire_auxdata[] __initdata = {
+       OF_DEV_AUXDATA("arm,pl111", NSPIRE_LCD_PHYS_BASE,
+                       NULL, &nspire_clcd_data),
+       { }
+};
+
+static void __init nspire_init(void)
+{
+       of_platform_populate(NULL, of_default_bus_match_table,
+                       nspire_auxdata, NULL);
+}
+
+static void nspire_restart(enum reboot_mode mode, const char *cmd)
+{
+       void __iomem *base = ioremap(NSPIRE_MISC_PHYS_BASE, SZ_4K);
+       if (!base)
+               return;
+
+       writel(2, base + NSPIRE_MISC_HWRESET);
+}
+
+DT_MACHINE_START(NSPIRE, "TI-NSPIRE")
+       .dt_compat      = nspire_dt_match,
+       .map_io         = nspire_map_io,
+       .init_machine   = nspire_init,
+       .restart        = nspire_restart,
+MACHINE_END