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-rw-r--r--arch/arm/mach-s3c2410/mach-h1940.c29
-rw-r--r--arch/arm/mach-s3c2410/s3c2400.h31
2 files changed, 58 insertions, 2 deletions
diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c
index 1c316f14ed9..646a3a5d33a 100644
--- a/arch/arm/mach-s3c2410/mach-h1940.c
+++ b/arch/arm/mach-s3c2410/mach-h1940.c
@@ -46,10 +46,11 @@
#include <asm/irq.h>
#include <asm/mach-types.h>
-//#include <asm/debug-ll.h>
+
#include <asm/arch/regs-serial.h>
#include <asm/arch/regs-lcd.h>
+#include <asm/arch/h1940-latch.h>
#include <asm/arch/fb.h>
#include <linux/serial_core.h>
@@ -59,7 +60,12 @@
#include "cpu.h"
static struct map_desc h1940_iodesc[] __initdata = {
- /* nothing here yet */
+ [0] = {
+ .virtual = (unsigned long)H1940_LATCH,
+ .pfn = __phys_to_pfn(H1940_PA_LATCH),
+ .length = SZ_16K,
+ .type = MT_DEVICE
+ },
};
#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
@@ -92,6 +98,25 @@ static struct s3c2410_uartcfg h1940_uartcfgs[] = {
}
};
+/* Board control latch control */
+
+static unsigned int latch_state = H1940_LATCH_DEFAULT;
+
+void h1940_latch_control(unsigned int clear, unsigned int set)
+{
+ unsigned long flags;
+
+ local_irq_save(flags);
+
+ latch_state &= ~clear;
+ latch_state |= set;
+
+ __raw_writel(latch_state, H1940_LATCH);
+
+ local_irq_restore(flags);
+}
+
+EXPORT_SYMBOL_GPL(h1940_latch_control);
/**
diff --git a/arch/arm/mach-s3c2410/s3c2400.h b/arch/arm/mach-s3c2410/s3c2400.h
new file mode 100644
index 00000000000..8b2394e1ed4
--- /dev/null
+++ b/arch/arm/mach-s3c2410/s3c2400.h
@@ -0,0 +1,31 @@
+/* arch/arm/mach-s3c2410/s3c2400.h
+ *
+ * Copyright (c) 2004 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * Header file for S3C2400 cpu support
+ *
+ * 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.
+ *
+ * Modifications:
+ * 09-Fev-2006 LCVR First version, based on s3c2410.h
+*/
+
+#ifdef CONFIG_CPU_S3C2400
+
+extern int s3c2400_init(void);
+
+extern void s3c2400_map_io(struct map_desc *mach_desc, int size);
+
+extern void s3c2400_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+
+extern void s3c2400_init_clocks(int xtal);
+
+#else
+#define s3c2400_init_clocks NULL
+#define s3c2400_init_uarts NULL
+#define s3c2400_map_io NULL
+#define s3c2400_init NULL
+#endif