MIPS: xburst: debug_ll: rework common code, add JZ4780 support

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

arch/mips/mach-xburst/Kconfig

@@ -27,21 +27,30 @@ config BOARD_RZX50
 endchoice
 
 if DEBUG_LL
-if CPU_JZ4755
 choice
 	prompt "DEBUG_LL port"
 
-config JZ4750D_DEBUG_LL_UART0
+config JZ47XX_DEBUG_LL_UART0
+	depends on CPU_JZ4755 || CPU_JZ4780
 	bool "UART0"
 
-config JZ4750D_DEBUG_LL_UART1
+config JZ47XX_DEBUG_LL_UART1
+	depends on CPU_JZ4755 || CPU_JZ4780
 	bool "UART1"
 
-config JZ4750D_DEBUG_LL_UART2
+config JZ47XX_DEBUG_LL_UART2
+	depends on CPU_JZ4755 || CPU_JZ4780
 	bool "UART2"
 
+config JZ47XX_DEBUG_LL_UART3
+	depends on CPU_JZ4780
+	bool "UART3"
+
+config JZ47XX_DEBUG_LL_UART4
+	depends on CPU_JZ4780
+	bool "UART4"
+
 endchoice
-endif # CPU_JZ4755
 endif # DEBUG_LL
 
 endif

arch/mips/mach-xburst/include/mach/debug_ll_jz4750d.h

@@ -20,15 +20,15 @@
 
 #include <mach/jz4750d_regs.h>
 
-#ifdef CONFIG_JZ4750D_DEBUG_LL_UART0
+#ifdef CONFIG_JZ47XX_DEBUG_LL_UART0
 #define DEBUG_LL_UART_ADDR	UART0_BASE
 #endif
 
-#ifdef CONFIG_JZ4750D_DEBUG_LL_UART1
+#ifdef CONFIG_JZ47XX_DEBUG_LL_UART1
 #define DEBUG_LL_UART_ADDR	UART1_BASE
 #endif
 
-#ifdef CONFIG_JZ4750D_DEBUG_LL_UART2
+#ifdef CONFIG_JZ47XX_DEBUG_LL_UART2
 #define DEBUG_LL_UART_ADDR	UART2_BASE
 #endif
 

arch/mips/mach-xburst/include/mach/debug_ll_jz4780.h

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2014 Antony Pavlov <antonynpavlov@gmail.com>
+ *
+ * This file is part of barebox.
+ * See file CREDITS for list of people who contributed to this project.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ */
+
+#ifndef __INCLUDE_DEBUG_LL_JZ4780_H__
+#define __INCLUDE_DEBUG_LL_JZ4780_H__
+
+#include <mach/jz4780.h>
+
+#ifdef CONFIG_JZ47XX_DEBUG_LL_UART0
+#define DEBUG_LL_UART_ADDR	JZ4780_UART0_BASE
+#endif
+
+#ifdef CONFIG_JZ47XX_DEBUG_LL_UART1
+#define DEBUG_LL_UART_ADDR	JZ4780_UART1_BASE
+#endif
+
+#ifdef CONFIG_JZ47XX_DEBUG_LL_UART2
+#define DEBUG_LL_UART_ADDR	JZ4780_UART2_BASE
+#endif
+
+#ifdef CONFIG_JZ47XX_DEBUG_LL_UART3
+#define DEBUG_LL_UART_ADDR	JZ4780_UART3_BASE
+#endif
+
+#ifdef CONFIG_JZ47XX_DEBUG_LL_UART4
+#define DEBUG_LL_UART_ADDR	JZ4780_UART4_BASE
+#endif
+
+#define DEBUG_LL_UART_SHIFT	2
+
+#ifndef DEBUG_LL_UART_CLK
+#define DEBUG_LL_UART_CLK	(48000000 / 16)
+#endif
+#define DEBUG_LL_UART_BPS	CONFIG_BAUDRATE
+#define DEBUG_LL_UART_DIVISOR	(DEBUG_LL_UART_CLK / DEBUG_LL_UART_BPS)
+
+#endif /* __INCLUDE_DEBUG_LL_JZ4780_H__ */

arch/mips/mach-xburst/include/mach/jz4780.h

@@ -0,0 +1,30 @@
+/*
+ * JZ4780 SoC definitions
+ *
+ * Copyright (c) 2013 Imagination Technologies
+ * Author: Paul Burton <paul.burton@imgtec.com>
+ *
+ * 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.
+ *
+ */
+
+#ifndef __MIPS_ASM_MACH_JZ4780_JZ4780_H__
+#define __MIPS_ASM_MACH_JZ4780_JZ4780_H__
+
+/* APB bus devices */
+#define JZ4780_UART0_BASE	0xb0030000
+#define JZ4780_UART1_BASE	0xb0031000
+#define JZ4780_UART2_BASE	0xb0032000
+#define JZ4780_UART3_BASE	0xb0033000
+#define JZ4780_UART4_BASE	0xb0034000
+#define JZ4780_UARTn_BASE(n)	(JZ4780_UART0_BASE + (n * 0x1000))
+
+#endif /* __MIPS_ASM_MACH_JZ4780_JZ4780_H__ */