[ARM] S3C6400: Core support for S3C6400 SoC

Add the core support files for the Samsung S3C6400 SoC.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>

diff --git a/arch/arm/mach-s3c6400/Kconfig b/arch/arm/mach-s3c6400/Kconfig
index da87f2df103f940f2c201939c383af0ae9b6256a..f0292a8cdddefa64b62f4ea59a2cac97cf5899fb 100644 (file)
--- a/arch/arm/mach-s3c6400/Kconfig
+++ b/arch/arm/mach-s3c6400/Kconfig
@@ -5,13 +5,20 @@
 #
 # Licensed under GPLv2
 
-# Currently nothing here, this will be added later
+# Configuration options for the S3C6410 CPU
 
-# machine support
+config CPU_S3C6400
+       bool
+       select CPU_S3C6400_INIT
+       select CPU_S3C6400_CLOCK
+       help
+         Enable S3C6400 CPU support
+
+# S36400 Macchine support
 
 config MACH_SMDK6400
        bool "SMDK6400"
-       select CPU_S3C6410
+       select CPU_S3C6400
        select S3C_DEV_HSMMC
        help
          Machine support for the Samsung SMDK6400

diff --git a/arch/arm/mach-s3c6400/Makefile b/arch/arm/mach-s3c6400/Makefile
index 82cb48a2c2b02b1db672b1edda7eb4ba42ec3a3c..07eac2be6f6f92ca6724132954fcfaf15868a8db 100644 (file)
--- a/arch/arm/mach-s3c6400/Makefile
+++ b/arch/arm/mach-s3c6400/Makefile
@@ -12,7 +12,7 @@ obj-                          :=
 
 # Core support for S3C6400 system
 
-obj-n                          += blank.o
+obj-$(CONFIG_CPU_S3C6400)      += s3c6400.o
 
 # Machine support
 

diff --git a/arch/arm/mach-s3c6400/s3c6400.c b/arch/arm/mach-s3c6400/s3c6400.c
new file mode 100644 (file)
index 0000000..d11a427
--- /dev/null
+++ b/arch/arm/mach-s3c6400/s3c6400.c
@@ -0,0 +1,83 @@
+/* linux/arch/arm/mach-s3c6410/cpu.c
+ *
+ * Copyright 2009 Simtec Electronics
+ *     Ben Dooks <ben@simtec.co.uk>
+ *     http://armlinux.simtec.co.uk/
+ *
+ * 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/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/sysdev.h>
+#include <linux/serial_core.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <mach/hardware.h>
+#include <asm/irq.h>
+
+#include <plat/cpu-freq.h>
+#include <plat/regs-serial.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/clock.h>
+#include <plat/sdhci.h>
+#include <plat/iic-core.h>
+#include <plat/s3c6400.h>
+
+void __init s3c6400_map_io(void)
+{
+       /* the i2c device is directly compatible with s3c2440 */
+       s3c_i2c0_setname("s3c2440-i2c");
+}
+
+void __init s3c6400_init_clocks(int xtal)
+{
+       printk(KERN_DEBUG "%s: initialising clocks\n", __func__);
+       s3c24xx_register_baseclocks(xtal);
+       s3c64xx_register_clocks();
+       s3c6400_register_clocks();
+       s3c6400_setup_clocks();
+}
+
+void __init s3c6400_init_irq(void)
+{
+       /* VIC0 does not have IRQS 5..7,
+        * VIC1 is fully populated. */
+       s3c64xx_init_irq(~0 & ~(0xf << 5), ~0);
+}
+
+struct sysdev_class s3c6400_sysclass = {
+       .name   = "s3c6400-core",
+};
+
+static struct sys_device s3c6400_sysdev = {
+       .cls    = &s3c6400_sysclass,
+};
+
+static int __init s3c6400_core_init(void)
+{
+       return sysdev_class_register(&s3c6400_sysclass);
+}
+
+core_initcall(s3c6400_core_init);
+
+int __init s3c6400_init(void)
+{
+       printk("S3C6400: Initialising architecture\n");
+
+       return sysdev_register(&s3c6400_sysdev);
+}

diff --git a/arch/arm/plat-s3c64xx/include/plat/s3c6400.h b/arch/arm/plat-s3c64xx/include/plat/s3c6400.h
index 571eaa2e54f1433dc098b0b7e634e30017db941d..e12296666d462b5893a1b94473169261e2923e3f 100644 (file)
--- a/arch/arm/plat-s3c64xx/include/plat/s3c6400.h
+++ b/arch/arm/plat-s3c64xx/include/plat/s3c6400.h
@@ -21,6 +21,7 @@ extern void s3c6400_setup_clocks(void);
 #ifdef CONFIG_CPU_S3C6400
 
 extern  int s3c6400_init(void);
+extern void s3c6400_init_irq(void);
 extern void s3c6400_map_io(void);
 extern void s3c6400_init_clocks(int xtal);