1 files changed, 112 insertions, 0 deletions

diff --git a/arch/arm/plat-s5pc1xx/cpu.c b/arch/arm/plat-s5pc1xx/cpu.c
new file mode 100644
index 000000000000..715a7330794d
--- /dev/null
+++ b/arch/arm/plat-s5pc1xx/cpu.c
@@ -0,0 +1,112 @@
+/* linux/arch/arm/plat-s5pc1xx/cpu.c
+ *
+ * Copyright 2009 Samsung Electronics Co.
+ *      Byungho Min <bhmin@samsung.com>
+ *
+ * S5PC1XX CPU Support
+ *
+ * Based on plat-s3c64xx/cpu.c
+ *
+ * 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/module.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/serial_core.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+#include <mach/map.h>
+
+#include <asm/mach/map.h>
+
+#include <plat/regs-serial.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/clock.h>
+
+#include <plat/s5pc100.h>
+
+/* table of supported CPUs */
+
+static const char name_s5pc100[] = "S5PC100";
+
+static struct cpu_table cpu_ids[] __initdata = {
+        {
+                .idcode         = 0x43100000,
+                .idmask         = 0xfffff000,
+                .map_io         = s5pc100_map_io,
+                .init_clocks    = s5pc100_init_clocks,
+                .init_uarts     = s5pc100_init_uarts,
+                .init           = s5pc100_init,
+                .name           = name_s5pc100,
+        },
+};
+/* minimal IO mapping */
+
+/* see notes on uart map in arch/arm/mach-s5pc100/include/mach/debug-macro.S */
+#define UART_OFFS (S3C_PA_UART & 0xffff)
+
+static struct map_desc s5pc1xx_iodesc[] __initdata = {
+        {
+                .virtual        = (unsigned long)S5PC1XX_VA_CHIPID,
+                .pfn            = __phys_to_pfn(S5PC1XX_PA_CHIPID),
+                .length         = SZ_16,
+                .type           = MT_DEVICE,
+        }, {
+                .virtual        = (unsigned long)S5PC1XX_VA_CLK,
+                .pfn            = __phys_to_pfn(S5PC1XX_PA_CLK),
+                .length         = SZ_4K,
+                .type           = MT_DEVICE,
+        }, {
+                .virtual        = (unsigned long)S5PC1XX_VA_PWR,
+                .pfn            = __phys_to_pfn(S5PC1XX_PA_PWR),
+                .length         = SZ_4K,
+                .type           = MT_DEVICE,
+        }, {
+                .virtual        = (unsigned long)(S5PC1XX_VA_UART),
+                .pfn            = __phys_to_pfn(S5PC1XX_PA_UART),
+                .length         = SZ_4K,
+                .type           = MT_DEVICE,
+        }, {
+                .virtual        = (unsigned long)S5PC1XX_VA_VIC(0),
+                .pfn            = __phys_to_pfn(S5PC1XX_PA_VIC(0)),
+                .length         = SZ_4K,
+                .type           = MT_DEVICE,
+        }, {
+                .virtual        = (unsigned long)S5PC1XX_VA_VIC(1),
+                .pfn            = __phys_to_pfn(S5PC1XX_PA_VIC(1)),
+                .length         = SZ_4K,
+                .type           = MT_DEVICE,
+        }, {
+                .virtual        = (unsigned long)S5PC1XX_VA_VIC(2),
+                .pfn            = __phys_to_pfn(S5PC1XX_PA_VIC(2)),
+                .length         = SZ_4K,
+                .type           = MT_DEVICE,
+        }, {
+                .virtual        = (unsigned long)S5PC1XX_VA_TIMER,
+                .pfn            = __phys_to_pfn(S5PC1XX_PA_TIMER),
+                .length         = SZ_256,
+                .type           = MT_DEVICE,
+        },
+};
+
+/* read cpu identification code */
+
+void __init s5pc1xx_init_io(struct map_desc *mach_desc, int size)
+{
+        unsigned long idcode;
+
+        /* initialise the io descriptors we need for initialisation */
+        iotable_init(s5pc1xx_iodesc, ARRAY_SIZE(s5pc1xx_iodesc));
+        iotable_init(mach_desc, size);
+
+        idcode = __raw_readl(S5PC1XX_VA_CHIPID);
+        s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));
+}