[ARM] 5590/1: Add basic support for ST Nomadik 8815 SoC and evaluation board

[pandora-kernel.git] / arch / arm / mach-nomadik / cpu-8815.c

diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c
new file mode 100644 (file)
index 0000000..dec42da
--- /dev/null
+++ b/arch/arm/mach-nomadik/cpu-8815.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright STMicroelectronics, 2007.
+ *
+ *  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; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/device.h>
+
+#include <mach/hardware.h>
+#include <mach/irqs.h>
+#include <asm/mach/map.h>
+#include <asm/hardware/vic.h>
+
+/* All SoC devices live in the same area (see hardware.h) */
+static struct map_desc nomadik_io_desc[] __initdata = {
+       {
+               .virtual =      NOMADIK_IO_VIRTUAL,
+               .pfn =          __phys_to_pfn(NOMADIK_IO_PHYSICAL),
+               .length =       NOMADIK_IO_SIZE,
+               .type =         MT_DEVICE,
+       }
+       /* static ram and secured ram may be added later */
+};
+
+void __init cpu8815_map_io(void)
+{
+       iotable_init(nomadik_io_desc, ARRAY_SIZE(nomadik_io_desc));
+}
+
+void __init cpu8815_init_irq(void)
+{
+       /* This modified VIC cell has two register blocks, at 0 and 0x20 */
+       vic_init(io_p2v(NOMADIK_IC_BASE + 0x00), IRQ_VIC_START +  0, ~0, 0);
+       vic_init(io_p2v(NOMADIK_IC_BASE + 0x20), IRQ_VIC_START + 32, ~0, 0);
+}
+
+/*
+ * This function is called from the board init ("init_machine").
+ * Currently nothing is done as we can't register amba devs so early.
+ */
+ void __init cpu8815_platform_init(void)
+{
+        return;
+}