ARM: S5P64X0: Add S5P64X0(S5P6440 and S5P6450) initialization support

This patch adds ARCH_S5P64X0 which can support S5P6440 and S5P6450 with
one kernel image. So moved some files of mach-s5p6440 into the new ARCH
directory mach-s5p64x0.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 73 insertions, 0 deletions

diff --git a/arch/arm/mach-s5p64x0/init.c b/arch/arm/mach-s5p64x0/init.c
new file mode 100644
index 000000000000..79833caf8165
--- /dev/null
+++ b/arch/arm/mach-s5p64x0/init.c
@@ -0,0 +1,73 @@
+/* linux/arch/arm/mach-s5p64x0/init.c
+ *
+ * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * S5P64X0 - Init 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.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/serial_core.h>
+
+#include <mach/map.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/s5p6440.h>
+#include <plat/s5p6450.h>
+#include <plat/regs-serial.h>
+
+static struct s3c24xx_uart_clksrc s5p64x0_serial_clocks[] = {
+	[0] = {
+		.name		= "pclk_low",
+		.divisor	= 1,
+		.min_baud	= 0,
+		.max_baud	= 0,
+	},
+	[1] = {
+		.name		= "uclk1",
+		.divisor	= 1,
+		.min_baud	= 0,
+		.max_baud	= 0,
+	},
+};
+
+/* uart registration process */
+
+void __init s5p64x0_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+{
+	struct s3c2410_uartcfg *tcfg = cfg;
+	u32 ucnt;
+
+	for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
+		if (!tcfg->clocks) {
+			tcfg->clocks = s5p64x0_serial_clocks;
+			tcfg->clocks_size = ARRAY_SIZE(s5p64x0_serial_clocks);
+		}
+	}
+}
+
+void __init s5p6440_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+{
+	int uart;
+
+	for (uart = 0; uart < no; uart++) {
+		s5p_uart_resources[uart].resources->start = S5P6440_PA_UART(uart);
+		s5p_uart_resources[uart].resources->end = S5P6440_PA_UART(uart) + S5P_SZ_UART;
+	}
+
+	s5p64x0_common_init_uarts(cfg, no);
+	s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
+}
+
+void __init s5p6450_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+{
+	s5p64x0_common_init_uarts(cfg, no);
+	s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
+}