---

yaml --- r: 296654 b: refs/heads/master c: 171c067 h: refs/heads/master v: v3
git-mirror · Mar 14, 2012 · 15e7b84 · 15e7b84
1 parent 16d1696
commit 15e7b84
Show file tree

Hide file tree

Showing 12 changed files with 136 additions and 19 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b67545fd9b5335c38c028e7984a1bef9e789c8dc
+refs/heads/master: 171c067c1a3f903fca78f2610794441a7d1e64f3
diff --git a/trunk/arch/arm/mach-exynos/Makefile b/trunk/arch/arm/mach-exynos/Makefile
@@ -44,6 +44,7 @@ obj-$(CONFIG_MACH_EXYNOS4_DT)		+= mach-exynos4-dt.o
 
 # device support
 
+obj-y					+= dev-uart.o
 obj-$(CONFIG_ARCH_EXYNOS4)		+= dev-audio.o
 obj-$(CONFIG_EXYNOS4_DEV_AHCI)		+= dev-ahci.o
 obj-$(CONFIG_EXYNOS4_DEV_PD)		+= dev-pd.o

diff --git a/trunk/arch/arm/mach-exynos/common.c b/trunk/arch/arm/mach-exynos/common.c
@@ -477,7 +477,10 @@ static void __init exynos_init_uarts(struct s3c2410_uartcfg *cfg, int no)
 	for (ucnt = 0; ucnt < no; ucnt++, tcfg++)
 		tcfg->has_fracval = 1;
 
-	s3c24xx_init_uartdevs("exynos4210-uart", s5p_uart_resources, cfg, no);
+	if (soc_is_exynos5250())
+		s3c24xx_init_uartdevs("exynos4210-uart", exynos5_uart_resources, cfg, no);
+	else
+		s3c24xx_init_uartdevs("exynos4210-uart", exynos4_uart_resources, cfg, no);
 }
 
 static DEFINE_SPINLOCK(eint_lock);

diff --git a/trunk/arch/arm/mach-exynos/dev-uart.c b/trunk/arch/arm/mach-exynos/dev-uart.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2012 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * Base EXYNOS UART resource and device definitions
+ *
+ * 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/ioport.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/irq.h>
+#include <mach/hardware.h>
+#include <mach/map.h>
+
+#include <plat/devs.h>
+
+#define EXYNOS_UART_RESOURCE(_series, _nr)	\
+static struct resource exynos##_series##_uart##_nr##_resource[] = {	\
+	[0] = DEFINE_RES_MEM(EXYNOS##_series##_PA_UART##_nr, EXYNOS##_series##_SZ_UART),	\
+	[1] = DEFINE_RES_IRQ(EXYNOS##_series##_IRQ_UART##_nr),	\
+};
+
+EXYNOS_UART_RESOURCE(4, 0)
+EXYNOS_UART_RESOURCE(4, 1)
+EXYNOS_UART_RESOURCE(4, 2)
+EXYNOS_UART_RESOURCE(4, 3)
+
+struct s3c24xx_uart_resources exynos4_uart_resources[] __initdata = {
+	[0] = {
+		.resources	= exynos4_uart0_resource,
+		.nr_resources	= ARRAY_SIZE(exynos4_uart0_resource),
+	},
+	[1] = {
+		.resources	= exynos4_uart1_resource,
+		.nr_resources	= ARRAY_SIZE(exynos4_uart1_resource),
+	},
+	[2] = {
+		.resources	= exynos4_uart2_resource,
+		.nr_resources	= ARRAY_SIZE(exynos4_uart2_resource),
+	},
+	[3] = {
+		.resources	= exynos4_uart3_resource,
+		.nr_resources	= ARRAY_SIZE(exynos4_uart3_resource),
+	},
+};
+
+EXYNOS_UART_RESOURCE(5, 0)
+EXYNOS_UART_RESOURCE(5, 1)
+EXYNOS_UART_RESOURCE(5, 2)
+EXYNOS_UART_RESOURCE(5, 3)
+
+struct s3c24xx_uart_resources exynos5_uart_resources[] __initdata = {
+	[0] = {
+		.resources	= exynos5_uart0_resource,
+		.nr_resources	= ARRAY_SIZE(exynos5_uart0_resource),
+	},
+	[1] = {
+		.resources	= exynos5_uart1_resource,
+		.nr_resources	= ARRAY_SIZE(exynos5_uart0_resource),
+	},
+	[2] = {
+		.resources	= exynos5_uart2_resource,
+		.nr_resources	= ARRAY_SIZE(exynos5_uart2_resource),
+	},
+	[3] = {
+		.resources	= exynos5_uart3_resource,
+		.nr_resources	= ARRAY_SIZE(exynos5_uart3_resource),
+	},
+};
diff --git a/trunk/arch/arm/mach-exynos/include/mach/debug-macro.S b/trunk/arch/arm/mach-exynos/include/mach/debug-macro.S
@@ -21,8 +21,13 @@
 	 */
 
 	.macro addruart, rp, rv, tmp
-		ldr	\rp, = S3C_PA_UART
-		ldr	\rv, = S3C_VA_UART
+		mov	\rp, #0x10000000
+		ldr	\rp, [\rp, #0x0]
+		and	\rp, \rp, #0xf00000
+		teq	\rp, #0x500000		@@ EXYNOS5
+		ldreq	\rp, =EXYNOS5_PA_UART
+		movne	\rp, #EXYNOS4_PA_UART	@@ EXYNOS4
+		ldr	\rv, =S3C_VA_UART
 #if CONFIG_DEBUG_S3C_UART != 0
 		add	\rp, \rp, #(0x10000 * CONFIG_DEBUG_S3C_UART)
 		add	\rv, \rv, #(0x10000 * CONFIG_DEBUG_S3C_UART)

diff --git a/trunk/arch/arm/mach-exynos/include/mach/irqs.h b/trunk/arch/arm/mach-exynos/include/mach/irqs.h
@@ -173,4 +173,16 @@
 /* Set the default NR_IRQS */
 #define NR_IRQS			(IRQ_TIMER_BASE + IRQ_TIMER_COUNT)
 
+#define EXYNOS4_IRQ_UART0		IRQ_SPI(52)
+#define EXYNOS4_IRQ_UART1		IRQ_SPI(53)
+#define EXYNOS4_IRQ_UART2		IRQ_SPI(54)
+#define EXYNOS4_IRQ_UART3		IRQ_SPI(55)
+#define EXYNOS4_IRQ_UART4		IRQ_SPI(56)
+
+#define EXYNOS5_IRQ_UART0		IRQ_SPI(51)
+#define EXYNOS5_IRQ_UART1		IRQ_SPI(52)
+#define EXYNOS5_IRQ_UART2		IRQ_SPI(53)
+#define EXYNOS5_IRQ_UART3		IRQ_SPI(54)
+#define EXYNOS5_IRQ_UART4		IRQ_SPI(55)
+
 #endif /* __ASM_ARCH_IRQS_H */
diff --git a/trunk/arch/arm/mach-exynos/include/mach/map.h b/trunk/arch/arm/mach-exynos/include/mach/map.h
@@ -153,7 +153,6 @@
 #define S3C_PA_IIC7			EXYNOS4_PA_IIC(7)
 #define S3C_PA_RTC			EXYNOS4_PA_RTC
 #define S3C_PA_WDT			EXYNOS4_PA_WATCHDOG
-#define S3C_PA_UART			EXYNOS4_PA_UART
 #define S3C_PA_SPI0			EXYNOS4_PA_SPI0
 #define S3C_PA_SPI1			EXYNOS4_PA_SPI1
 #define S3C_PA_SPI2			EXYNOS4_PA_SPI2
@@ -182,15 +181,18 @@
 
 /* Compatibility UART */
 
-#define S3C_VA_UARTx(x)			(S3C_VA_UART + ((x) * S3C_UART_OFFSET))
+#define EXYNOS4_PA_UART0		0x13800000
+#define EXYNOS4_PA_UART1		0x13810000
+#define EXYNOS4_PA_UART2		0x13820000
+#define EXYNOS4_PA_UART3		0x13830000
+#define EXYNOS4_SZ_UART			SZ_256
 
-#define S5P_PA_UART(x)			(EXYNOS4_PA_UART + ((x) * S3C_UART_OFFSET))
-#define S5P_PA_UART0			S5P_PA_UART(0)
-#define S5P_PA_UART1			S5P_PA_UART(1)
-#define S5P_PA_UART2			S5P_PA_UART(2)
-#define S5P_PA_UART3			S5P_PA_UART(3)
-#define S5P_PA_UART4			S5P_PA_UART(4)
+#define EXYNOS5_PA_UART0		0x12C00000
+#define EXYNOS5_PA_UART1		0x12C10000
+#define EXYNOS5_PA_UART2		0x12C20000
+#define EXYNOS5_PA_UART3		0x12C30000
+#define EXYNOS5_SZ_UART			SZ_256
 
-#define S5P_SZ_UART			SZ_256
+#define S3C_VA_UARTx(x)			(S3C_VA_UART + ((x) * S3C_UART_OFFSET))
 
 #endif /* __ASM_ARCH_MAP_H */
diff --git a/trunk/arch/arm/mach-exynos/include/mach/uncompress.h b/trunk/arch/arm/mach-exynos/include/mach/uncompress.h
@@ -1,9 +1,8 @@
-/* linux/arch/arm/mach-exynos4/include/mach/uncompress.h
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+/*
+ * Copyright (c) 2010-2012 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com
  *
- * EXYNOS4 - uncompress code
+ * EXYNOS - uncompress code
  *
  * 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
@@ -13,12 +12,20 @@
 #ifndef __ASM_ARCH_UNCOMPRESS_H
 #define __ASM_ARCH_UNCOMPRESS_H __FILE__
 
+#include <asm/mach-types.h>
+
 #include <mach/map.h>
+
+volatile u8 *uart_base;
+
 #include <plat/uncompress.h>
 
 static void arch_detect_cpu(void)
 {
-	/* we do not need to do any cpu detection here at the moment. */
+	if (machine_is_smdk5250())
+		uart_base = (volatile u8 *)EXYNOS5_PA_UART + (S3C_UART_OFFSET * CONFIG_S3C_LOWLEVEL_UART_PORT);
+	else
+		uart_base = (volatile u8 *)EXYNOS4_PA_UART + (S3C_UART_OFFSET * CONFIG_S3C_LOWLEVEL_UART_PORT);
 
 	/*
 	 * For preventing FIFO overrun or infinite loop of UART console,

diff --git a/trunk/arch/arm/plat-s5p/Kconfig b/trunk/arch/arm/plat-s5p/Kconfig
@@ -40,6 +40,10 @@ config S5P_HRT
 	help
 	  Use the High Resolution timer support
 
+config S5P_DEV_UART
+	def_bool y
+	depends on (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210)
+
 config S5P_PM
 	bool
 	help

diff --git a/trunk/arch/arm/plat-s5p/Makefile b/trunk/arch/arm/plat-s5p/Makefile
@@ -12,7 +12,6 @@ obj-				:=
 
 # Core files
 
-obj-y				+= dev-uart.o
 obj-y				+= clock.o
 obj-y				+= irq.o
 obj-$(CONFIG_S5P_EXT_INT)	+= irq-eint.o
@@ -23,5 +22,7 @@ obj-$(CONFIG_S5P_SLEEP)		+= sleep.o
 obj-$(CONFIG_S5P_HRT) 		+= s5p-time.o
 
 # devices
+
+obj-$(CONFIG_S5P_DEV_UART)	+= dev-uart.o
 obj-$(CONFIG_S5P_DEV_MFC)	+= dev-mfc.o
 obj-$(CONFIG_S5P_SETUP_MIPIPHY)	+= setup-mipiphy.o
diff --git a/trunk/arch/arm/plat-samsung/include/plat/devs.h b/trunk/arch/arm/plat-samsung/include/plat/devs.h
@@ -26,6 +26,8 @@ struct s3c24xx_uart_resources {
 extern struct s3c24xx_uart_resources s3c2410_uart_resources[];
 extern struct s3c24xx_uart_resources s3c64xx_uart_resources[];
 extern struct s3c24xx_uart_resources s5p_uart_resources[];
+extern struct s3c24xx_uart_resources exynos4_uart_resources[];
+extern struct s3c24xx_uart_resources exynos5_uart_resources[];
 
 extern struct platform_device *s3c24xx_uart_devs[];
 extern struct platform_device *s3c24xx_uart_src[];

diff --git a/trunk/arch/arm/plat-samsung/include/plat/uncompress.h b/trunk/arch/arm/plat-samsung/include/plat/uncompress.h
@@ -37,7 +37,9 @@ static void arch_detect_cpu(void);
 /* how many bytes we allow into the FIFO at a time in FIFO mode */
 #define FIFO_MAX	 (14)
 
+#ifdef S3C_PA_UART
 #define uart_base S3C_PA_UART + (S3C_UART_OFFSET * CONFIG_S3C_LOWLEVEL_UART_PORT)
+#endif
 
 static __inline__ void
 uart_wr(unsigned int reg, unsigned int val)