blackfin: add bf60x to current framework

This patch added bf60x to current blackfin kernel framework.
Signed-off-by: Bob Liu <lliubbo@gmail.com>

arch/blackfin/Kconfig

@@ -226,6 +226,12 @@ config BF561
 	help
 	  BF561 Processor Support.
 
+config BF609
+	bool "BF609"
+	select CLKDEV_LOOKUP
+	help
+	  BF609 Processor Support.
+
 endchoice
 
 config SMP
@@ -251,27 +257,27 @@ config HOTPLUG_CPU
 
 config BF_REV_MIN
 	int
-	default 0 if (BF51x || BF52x || (BF54x && !BF54xM))
+	default 0 if (BF51x || BF52x || (BF54x && !BF54xM)) || BF60x
 	default 2 if (BF537 || BF536 || BF534)
 	default 3 if (BF561 || BF533 || BF532 || BF531 || BF54xM)
 	default 4 if (BF538 || BF539)
 
 config BF_REV_MAX
 	int
-	default 2 if (BF51x || BF52x || (BF54x && !BF54xM))
+	default 2 if (BF51x || BF52x || (BF54x && !BF54xM)) || BF60x
 	default 3 if (BF537 || BF536 || BF534 || BF54xM)
 	default 5 if (BF561 || BF538 || BF539)
 	default 6 if (BF533 || BF532 || BF531)
 
 choice
 	prompt "Silicon Rev"
-	default BF_REV_0_0 if (BF51x || BF52x)
+	default BF_REV_0_0 if (BF51x || BF52x || BF60x)
 	default BF_REV_0_2 if (BF534 || BF536 || BF537 || (BF54x && !BF54xM))
 	default BF_REV_0_3 if (BF531 || BF532 || BF533 || BF54xM || BF561)
 
 config BF_REV_0_0
 	bool "0.0"
-	depends on (BF51x || BF52x || (BF54x && !BF54xM))
+	depends on (BF51x || BF52x || (BF54x && !BF54xM) || BF60x)
 
 config BF_REV_0_1
 	bool "0.1"
@@ -350,6 +356,7 @@ source "arch/blackfin/mach-bf561/Kconfig"
 source "arch/blackfin/mach-bf537/Kconfig"
 source "arch/blackfin/mach-bf538/Kconfig"
 source "arch/blackfin/mach-bf548/Kconfig"
+source "arch/blackfin/mach-bf609/Kconfig"
 
 menu "Board customizations"
 
@@ -379,6 +386,12 @@ config BOOT_LOAD
 	  memory region is used to capture NULL pointer references as well
 	  as some core kernel functions.
 
+config PHY_RAM_BASE_ADDRESS
+	hex "Physical RAM Base"
+	default 0x0
+	help
+	  set BF609 FPGA physical SRAM base address
+
 config ROM_BASE
 	hex "Kernel ROM Base"
 	depends on ROMKERNEL
@@ -1051,7 +1064,7 @@ endchoice
 config BFIN_L2_DCACHEABLE
 	bool "Enable DCACHE for L2 SRAM"
 	depends on BFIN_DCACHE
-	depends on (BF54x || BF561) && !SMP
+	depends on (BF54x || BF561 || BF60x) && !SMP
 	default n
 choice
 	prompt "L2 SRAM DCACHE policy"
@@ -1077,6 +1090,7 @@ config MPU
 comment "Asynchronous Memory Configuration"
 
 menu "EBIU_AMGCTL Global Control"
+	depends on !BF60x
 config C_AMCKEN
 	bool "Enable CLKOUT"
 	default y
@@ -1127,6 +1141,7 @@ endchoice
 endmenu
 
 menu "EBIU_AMBCTL Control"
+	depends on !BF60x
 config BANK_0
 	hex "Bank 0 (AMBCTL0.L)"
 	default 0x7BB0

arch/blackfin/Makefile

@@ -54,6 +54,7 @@ machine-$(CONFIG_BF548M) := bf548
 machine-$(CONFIG_BF549)  := bf548
 machine-$(CONFIG_BF549M) := bf548
 machine-$(CONFIG_BF561)  := bf561
+machine-$(CONFIG_BF609)  := bf609
 MACHINE := $(machine-y)
 export MACHINE
 
@@ -86,6 +87,7 @@ cpu-$(CONFIG_BF548M) := bf548m
 cpu-$(CONFIG_BF549)  := bf549
 cpu-$(CONFIG_BF549M) := bf549m
 cpu-$(CONFIG_BF561)  := bf561
+cpu-$(CONFIG_BF609)  := bf609
 
 rev-$(CONFIG_BF_REV_0_0)  := 0.0
 rev-$(CONFIG_BF_REV_0_1)  := 0.1

arch/blackfin/configs/BF609-EZKIT_defconfig

+CONFIG_EXPERIMENTAL=y
+CONFIG_SYSVIPC=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_EXPERT=y
+# CONFIG_ELF_CORE is not set
+# CONFIG_FUTEX is not set
+# CONFIG_SIGNALFD is not set
+# CONFIG_TIMERFD is not set
+# CONFIG_EVENTFD is not set
+# CONFIG_AIO is not set
+CONFIG_SLAB=y
+CONFIG_MMAP_ALLOW_UNINITIALIZED=y
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_LBDAF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+CONFIG_PREEMPT_VOLUNTARY=y
+CONFIG_BF609=y
+CONFIG_PINT1_ASSIGN=0x01010000
+CONFIG_PINT2_ASSIGN=0x07000101
+CONFIG_PINT3_ASSIGN=0x02020303
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_IP_CHECKSUM_L1=y
+CONFIG_SYSCALL_TAB_L1=y
+CONFIG_CPLB_SWITCH_TAB_L1=y
+# CONFIG_APP_STACK_L1 is not set
+# CONFIG_BFIN_INS_LOWOVERHEAD is not set
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
+CONFIG_BINFMT_FLAT=y
+CONFIG_BINFMT_ZFLAT=y
+# CONFIG_SUSPEND is not set
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_GOV_POWERSAVE=y
+CONFIG_CPU_FREQ_GOV_ONDEMAND=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_RARP=y
+# CONFIG_IPV6 is not set
+CONFIG_NETFILTER=y
+CONFIG_CAN=y
+CONFIG_CAN_BFIN=y
+CONFIG_IRDA=y
+CONFIG_IRTTY_SIR=y
+# CONFIG_WIRELESS is not set
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_FW_LOADER=m
+CONFIG_MTD=y
+CONFIG_MTD_CMDLINE_PARTS=y
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_CFI=y
+CONFIG_MTD_CFI_INTELEXT=y
+CONFIG_MTD_CFI_STAA=y
+CONFIG_MTD_COMPLEX_MAPPINGS=y
+CONFIG_MTD_BFIN_BF60x=y
+CONFIG_MTD_M25P80=y
+CONFIG_MTD_UBI=m
+CONFIG_SCSI=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_NETDEVICES=y
+# CONFIG_NET_VENDOR_BROADCOM is not set
+# CONFIG_NET_VENDOR_CHELSIO is not set
+# CONFIG_NET_VENDOR_INTEL is not set
+# CONFIG_NET_VENDOR_MARVELL is not set
+# CONFIG_NET_VENDOR_MICREL is not set
+# CONFIG_NET_VENDOR_MICROCHIP is not set
+# CONFIG_NET_VENDOR_NATSEMI is not set
+# CONFIG_NET_VENDOR_SEEQ is not set
+# CONFIG_NET_VENDOR_SMSC is not set
+CONFIG_STMMAC_ETH=y
+CONFIG_STMMAC_IEEE1588=y
+# CONFIG_WLAN is not set
+# CONFIG_INPUT_MOUSEDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+CONFIG_INPUT_MISC=y
+CONFIG_INPUT_BFIN_ROTARY=y
+# CONFIG_SERIO is not set
+# CONFIG_LEGACY_PTYS is not set
+CONFIG_BFIN_SIMPLE_TIMER=m
+CONFIG_BFIN_LINKPORT=y
+# CONFIG_DEVKMEM is not set
+CONFIG_SERIAL_BFIN=y
+CONFIG_SERIAL_BFIN_CONSOLE=y
+CONFIG_SERIAL_BFIN_UART0=y
+# CONFIG_HW_RANDOM is not set
+CONFIG_I2C=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_BLACKFIN_TWI=y
+CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=100
+CONFIG_SPI=y
+CONFIG_SPI_BFIN6XX=y
+CONFIG_GPIOLIB=y
+CONFIG_GPIO_SYSFS=y
+# CONFIG_HWMON is not set
+CONFIG_WATCHDOG=y
+CONFIG_BFIN_WDT=y
+CONFIG_SOUND=m
+CONFIG_SND=m
+CONFIG_SND_MIXER_OSS=m
+CONFIG_SND_PCM_OSS=m
+# CONFIG_SND_DRIVERS is not set
+# CONFIG_SND_SPI is not set
+# CONFIG_SND_USB is not set
+CONFIG_SND_SOC=m
+CONFIG_SND_BF6XX_I2S=m
+CONFIG_SND_SOC_BFIN_EVAL_ADAU1X61=m
+CONFIG_SND_SOC_ALL_CODECS=m
+CONFIG_USB=y
+CONFIG_USB_MUSB_HDRC=y
+CONFIG_USB_MUSB_BLACKFIN=y
+CONFIG_USB_STORAGE=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_MUSB_HDRC=y
+CONFIG_USB_ZERO=y
+CONFIG_MMC=y
+CONFIG_SDH_BFIN=y
+# CONFIG_IOMMU_SUPPORT is not set
+CONFIG_EXT2_FS=y
+# CONFIG_DNOTIFY is not set
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_JFFS2_FS=m
+CONFIG_UBIFS_FS=m
+CONFIG_NFS_FS=m
+CONFIG_NFS_V3=y
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_DEBUG_FS=y
+CONFIG_DEBUG_SHIRQ=y
+CONFIG_DETECT_HUNG_TASK=y
+CONFIG_DEBUG_INFO=y
+CONFIG_FRAME_POINTER=y
+# CONFIG_FTRACE is not set
+CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_ONE=y
+CONFIG_EARLY_PRINTK=y
+CONFIG_CPLB_INFO=y
+CONFIG_BFIN_PSEUDODBG_INSNS=y
+CONFIG_CRYPTO_HMAC=y
+CONFIG_CRYPTO_MD4=y
+CONFIG_CRYPTO_MD5=y
+CONFIG_CRYPTO_ARC4=y
+# CONFIG_CRYPTO_ANSI_CPRNG is not set

arch/blackfin/include/asm/bfin-global.h

@@ -35,6 +35,11 @@ extern void bfin_setup_cpudata(unsigned int cpu);
 
 extern unsigned long get_cclk(void);
 extern unsigned long get_sclk(void);
+#ifdef CONFIG_BF60x
+extern unsigned long get_sclk0(void);
+extern unsigned long get_sclk1(void);
+extern unsigned long get_dramclk(void);
+#endif
 extern unsigned long sclk_to_usecs(unsigned long sclk);
 extern unsigned long usecs_to_sclk(unsigned long usecs);
 

arch/blackfin/include/asm/bfin_dma.h

@@ -15,12 +15,55 @@
 #define DMAEN			0x0001	/* DMA Channel Enable */
 #define WNR				0x0002	/* Channel Direction (W/R*) */
 #define WDSIZE_8		0x0000	/* Transfer Word Size = 8 */
+#define PSIZE_8			0x00000000	/* Transfer Word Size = 16 */
+
+#ifdef CONFIG_BF60x
+
+#define PSIZE_16		0x00000010	/* Transfer Word Size = 16 */
+#define PSIZE_32		0x00000020	/* Transfer Word Size = 32 */
+#define PSIZE_64		0x00000030	/* Transfer Word Size = 32 */
+#define WDSIZE_16		0x00000100	/* Transfer Word Size = 16 */
+#define WDSIZE_32		0x00000200	/* Transfer Word Size = 32 */
+#define WDSIZE_64		0x00000300	/* Transfer Word Size = 32 */
+#define WDSIZE_128		0x00000400	/* Transfer Word Size = 32 */
+#define WDSIZE_256		0x00000500	/* Transfer Word Size = 32 */
+#define DMA2D			0x04000000	/* DMA Mode (2D/1D*) */
+#define RESTART			0x00000004	/* DMA Buffer Clear SYNC */
+#define DI_EN_X			0x00100000	/* Data Interrupt Enable in X count */
+#define DI_EN_Y			0x00200000	/* Data Interrupt Enable in Y count */
+#define DI_EN_P			0x00300000	/* Data Interrupt Enable in Peripheral */
+#define DI_EN			DI_EN_X		/* Data Interrupt Enable */
+#define NDSIZE_0		0x00000000	/* Next Descriptor Size = 1 */
+#define NDSIZE_1		0x00010000	/* Next Descriptor Size = 2 */
+#define NDSIZE_2		0x00020000	/* Next Descriptor Size = 3 */
+#define NDSIZE_3		0x00030000	/* Next Descriptor Size = 4 */
+#define NDSIZE_4		0x00040000	/* Next Descriptor Size = 5 */
+#define NDSIZE_5		0x00050000	/* Next Descriptor Size = 6 */
+#define NDSIZE_6		0x00060000	/* Next Descriptor Size = 7 */
+#define NDSIZE			0x00070000	/* Next Descriptor Size */
+#define NDSIZE_OFFSET		16		/* Next Descriptor Size Offset */
+#define DMAFLOW_LIST		0x00004000	/* Descriptor List Mode */
+#define DMAFLOW_LARGE		DMAFLOW_LIST
+#define DMAFLOW_ARRAY		0x00005000	/* Descriptor Array Mode */
+#define DMAFLOW_LIST_DEMAND	0x00006000	/* Descriptor Demand List Mode */
+#define DMAFLOW_ARRAY_DEMAND	0x00007000	/* Descriptor Demand Array Mode */
+#define DMA_RUN_DFETCH		0x00000100	/* DMA Channel Running Indicator (DFETCH) */
+#define DMA_RUN			0x00000200	/* DMA Channel Running Indicator */
+#define DMA_RUN_WAIT_TRIG	0x00000300	/* DMA Channel Running Indicator (WAIT TRIG) */
+#define DMA_RUN_WAIT_ACK	0x00000400	/* DMA Channel Running Indicator (WAIT ACK) */
+
+#else
+
+#define PSIZE_16		0x0000	/* Transfer Word Size = 16 */
+#define PSIZE_32		0x0000	/* Transfer Word Size = 32 */
 #define WDSIZE_16		0x0004	/* Transfer Word Size = 16 */
 #define WDSIZE_32		0x0008	/* Transfer Word Size = 32 */
 #define DMA2D			0x0010	/* DMA Mode (2D/1D*) */
 #define RESTART			0x0020	/* DMA Buffer Clear */
 #define DI_SEL			0x0040	/* Data Interrupt Timing Select */
 #define DI_EN			0x0080	/* Data Interrupt Enable */
+#define DI_EN_X			0x00C0	/* Data Interrupt Enable in X count*/
+#define DI_EN_Y			0x0080	/* Data Interrupt Enable in Y count*/
 #define NDSIZE_0		0x0000	/* Next Descriptor Size = 0 (Stop/Autobuffer) */
 #define NDSIZE_1		0x0100	/* Next Descriptor Size = 1 */
 #define NDSIZE_2		0x0200	/* Next Descriptor Size = 2 */
@@ -32,18 +75,26 @@
 #define NDSIZE_8		0x0800	/* Next Descriptor Size = 8 */
 #define NDSIZE_9		0x0900	/* Next Descriptor Size = 9 */
 #define NDSIZE			0x0f00	/* Next Descriptor Size */
-#define DMAFLOW			0x7000	/* Flow Control */
-#define DMAFLOW_STOP	0x0000	/* Stop Mode */
-#define DMAFLOW_AUTO	0x1000	/* Autobuffer Mode */
+#define NDSIZE_OFFSET		8	/* Next Descriptor Size Offset */
 #define DMAFLOW_ARRAY	0x4000	/* Descriptor Array Mode */
 #define DMAFLOW_SMALL	0x6000	/* Small Model Descriptor List Mode */
 #define DMAFLOW_LARGE	0x7000	/* Large Model Descriptor List Mode */
+#define DFETCH			0x0004	/* DMA Descriptor Fetch Indicator */
+#define DMA_RUN			0x0008	/* DMA Channel Running Indicator */
+
+#endif
+#define DMAFLOW			0x7000	/* Flow Control */
+#define DMAFLOW_STOP	0x0000	/* Stop Mode */
+#define DMAFLOW_AUTO	0x1000	/* Autobuffer Mode */
 
 /* DMA_IRQ_STATUS Masks */
 #define DMA_DONE		0x0001	/* DMA Completion Interrupt Status */
 #define DMA_ERR			0x0002	/* DMA Error Interrupt Status */
-#define DFETCH			0x0004	/* DMA Descriptor Fetch Indicator */
-#define DMA_RUN			0x0008	/* DMA Channel Running Indicator */
+#ifdef CONFIG_BF60x
+#define DMA_PIRQ		0x0004	/* DMA Peripheral Error Interrupt Status */
+#else
+#define DMA_PIRQ		0
+#endif
 
 /*
  * All Blackfin system MMRs are padded to 32bits even if the register
@@ -57,6 +108,26 @@
 struct bfin_dma_regs {
 	u32 next_desc_ptr;
 	u32 start_addr;
+#ifdef CONFIG_BF60x
+	u32 cfg;
+	u32 x_count;
+	u32 x_modify;
+	u32 y_count;
+	u32 y_modify;
+	u32 pad1;
+	u32 pad2;
+	u32 curr_desc_ptr;
+	u32 prev_desc_ptr;
+	u32 curr_addr;
+	u32 irq_status;
+	u32 curr_x_count;
+	u32 curr_y_count;
+	u32 pad3;
+	u32 bw_limit_count;
+	u32 curr_bw_limit_count;
+	u32 bw_monitor_count;
+	u32 curr_bw_monitor_count;
+#else
 	__BFP(config);
 	u32 __pad0;
 	__BFP(x_count);
@@ -71,8 +142,10 @@ struct bfin_dma_regs {
 	u32 __pad1;
 	__BFP(curr_y_count);
 	u32 __pad2;
+#endif
 };
 
+#ifndef CONFIG_BF60x
 /*
  * bfin handshake mdma registers layout
  */
@@ -85,6 +158,7 @@ struct bfin_hmdma_regs {
 	__BFP(ecount);
 	__BFP(bcount);
 };
+#endif
 
 #undef __BFP
 

arch/blackfin/include/asm/dma.h

@@ -22,12 +22,22 @@
 #define DATA_SIZE_8			0
 #define DATA_SIZE_16		1
 #define DATA_SIZE_32		2
+#ifdef CONFIG_BF60x
+#define DATA_SIZE_64		3
+#endif
 
 #define DMA_FLOW_STOP		0
 #define DMA_FLOW_AUTO		1
+#ifdef CONFIG_BF60x
+#define DMA_FLOW_LIST		4
+#define DMA_FLOW_ARRAY		5
+#define DMA_FLOW_LIST_DEMAND	6
+#define DMA_FLOW_ARRAY_DEMAND	7
+#else
 #define DMA_FLOW_ARRAY		4
 #define DMA_FLOW_SMALL		6
 #define DMA_FLOW_LARGE		7
+#endif
 
 #define DIMENSION_LINEAR	0
 #define DIMENSION_2D		1
@@ -36,26 +46,80 @@
 #define DIR_WRITE			1
 
 #define INTR_DISABLE		0
+#ifdef CONFIG_BF60x
+#define INTR_ON_PERI			1
+#endif
 #define INTR_ON_BUF			2
 #define INTR_ON_ROW			3
 
 #define DMA_NOSYNC_KEEP_DMA_BUF	0
 #define DMA_SYNC_RESTART		1
 
+#ifdef DMA_MMR_SIZE_32
+#define DMA_MMR_SIZE_TYPE long
+#define DMA_MMR_READ bfin_read32
+#define DMA_MMR_WRITE bfin_write32
+#else
+#define DMA_MMR_SIZE_TYPE short
+#define DMA_MMR_READ bfin_read16
+#define DMA_MMR_WRITE bfin_write16
+#endif
+
+struct dma_desc_array {
+	unsigned long start_addr;
+	unsigned DMA_MMR_SIZE_TYPE cfg;
+	unsigned DMA_MMR_SIZE_TYPE x_count;
+	DMA_MMR_SIZE_TYPE x_modify;
+} __attribute__((packed));
+
 struct dmasg {
 	void *next_desc_addr;
 	unsigned long start_addr;
-	unsigned short cfg;
-	unsigned short x_count;
-	short x_modify;
-	unsigned short y_count;
-	short y_modify;
+	unsigned DMA_MMR_SIZE_TYPE cfg;
+	unsigned DMA_MMR_SIZE_TYPE x_count;
+	DMA_MMR_SIZE_TYPE x_modify;
+	unsigned DMA_MMR_SIZE_TYPE y_count;
+	DMA_MMR_SIZE_TYPE y_modify;
 } __attribute__((packed));
 
 struct dma_register {
 	void *next_desc_ptr;	/* DMA Next Descriptor Pointer register */
 	unsigned long start_addr;	/* DMA Start address  register */
+#ifdef CONFIG_BF60x
+	unsigned long cfg;	/* DMA Configuration register */
 
+	unsigned long x_count;	/* DMA x_count register */
+
+	long x_modify;	/* DMA x_modify register */
+
+	unsigned long y_count;	/* DMA y_count register */
+
+	long y_modify;	/* DMA y_modify register */
+
+	unsigned long reserved;
+	unsigned long reserved2;
+
+	void *curr_desc_ptr;	/* DMA Current Descriptor Pointer
+					   register */
+	void *prev_desc_ptr;	/* DMA previous initial Descriptor Pointer
+					   register */
+	unsigned long curr_addr_ptr;	/* DMA Current Address Pointer
+						   register */
+	unsigned long irq_status;	/* DMA irq status register */
+
+	unsigned long curr_x_count;	/* DMA Current x-count register */
+
+	unsigned long curr_y_count;	/* DMA Current y-count register */
+
+	unsigned long reserved3;
+
+	unsigned long bw_limit_count;	/* DMA band width limit count register */
+	unsigned long curr_bw_limit_count;	/* DMA Current band width limit
+							count register */
+	unsigned long bw_monitor_count;	/* DMA band width limit count register */
+	unsigned long curr_bw_monitor_count;	/* DMA Current band width limit
+							count register */
+#else
 	unsigned short cfg;	/* DMA Configuration register */
 	unsigned short dummy1;	/* DMA Configuration register */
 
@@ -92,6 +156,7 @@ struct dma_register {
 	unsigned short dummy9;
 
 	unsigned long reserved3;
+#endif
 
 };
 
@@ -131,23 +196,23 @@ static inline void set_dma_curr_desc_addr(unsigned int channel, void *addr)
 {
 	dma_ch[channel].regs->curr_desc_ptr = addr;
 }
-static inline void set_dma_x_count(unsigned int channel, unsigned short x_count)
+static inline void set_dma_x_count(unsigned int channel, unsigned DMA_MMR_SIZE_TYPE x_count)
 {
 	dma_ch[channel].regs->x_count = x_count;
 }
-static inline void set_dma_y_count(unsigned int channel, unsigned short y_count)
+static inline void set_dma_y_count(unsigned int channel, unsigned DMA_MMR_SIZE_TYPE y_count)
 {
 	dma_ch[channel].regs->y_count = y_count;
 }
-static inline void set_dma_x_modify(unsigned int channel, short x_modify)
+static inline void set_dma_x_modify(unsigned int channel, DMA_MMR_SIZE_TYPE x_modify)
 {
 	dma_ch[channel].regs->x_modify = x_modify;
 }
-static inline void set_dma_y_modify(unsigned int channel, short y_modify)
+static inline void set_dma_y_modify(unsigned int channel, DMA_MMR_SIZE_TYPE y_modify)
 {
 	dma_ch[channel].regs->y_modify = y_modify;
 }
-static inline void set_dma_config(unsigned int channel, unsigned short config)
+static inline void set_dma_config(unsigned int channel, unsigned DMA_MMR_SIZE_TYPE config)
 {
 	dma_ch[channel].regs->cfg = config;
 }
@@ -156,23 +221,55 @@ static inline void set_dma_curr_addr(unsigned int channel, unsigned long addr)
 	dma_ch[channel].regs->curr_addr_ptr = addr;
 }
 
-static inline unsigned short
+#ifdef CONFIG_BF60x
+static inline unsigned long
+set_bfin_dma_config2(char direction, char flow_mode, char intr_mode,
+		     char dma_mode, char mem_width, char syncmode, char peri_width)
+{
+	unsigned long config = 0;
+
+	switch (intr_mode) {
+	case INTR_ON_BUF:
+		if (dma_mode == DIMENSION_2D)
+			config = DI_EN_Y;
+		else
+			config = DI_EN_X;
+		break;
+	case INTR_ON_ROW:
+		config = DI_EN_X;
+		break;
+	case INTR_ON_PERI:
+		config = DI_EN_P;
+		break;
+	};
+
+	return config | (direction << 1) | (mem_width << 8) | (dma_mode << 26) |
+		(flow_mode << 12) | (syncmode << 2) | (peri_width << 4);
+}
+#endif
+
+static inline unsigned DMA_MMR_SIZE_TYPE
 set_bfin_dma_config(char direction, char flow_mode,
-		    char intr_mode, char dma_mode, char width, char syncmode)
+		    char intr_mode, char dma_mode, char mem_width, char syncmode)
 {
-	return (direction << 1) | (width << 2) | (dma_mode << 4) |
+#ifdef CONFIG_BF60x
+	return set_bfin_dma_config2(direction, flow_mode, intr_mode, dma_mode,
+		mem_width, syncmode, mem_width);
+#else
+	return (direction << 1) | (mem_width << 2) | (dma_mode << 4) |
 		(intr_mode << 6) | (flow_mode << 12) | (syncmode << 5);
+#endif
 }
 
-static inline unsigned short get_dma_curr_irqstat(unsigned int channel)
+static inline unsigned DMA_MMR_SIZE_TYPE get_dma_curr_irqstat(unsigned int channel)
 {
 	return dma_ch[channel].regs->irq_status;
 }
-static inline unsigned short get_dma_curr_xcount(unsigned int channel)
+static inline unsigned DMA_MMR_SIZE_TYPE get_dma_curr_xcount(unsigned int channel)
 {
 	return dma_ch[channel].regs->curr_x_count;
 }
-static inline unsigned short get_dma_curr_ycount(unsigned int channel)
+static inline unsigned DMA_MMR_SIZE_TYPE get_dma_curr_ycount(unsigned int channel)
 {
 	return dma_ch[channel].regs->curr_y_count;
 }
@@ -184,7 +281,7 @@ static inline void *get_dma_curr_desc_ptr(unsigned int channel)
 {
 	return dma_ch[channel].regs->curr_desc_ptr;
 }
-static inline unsigned short get_dma_config(unsigned int channel)
+static inline unsigned DMA_MMR_SIZE_TYPE get_dma_config(unsigned int channel)
 {
 	return dma_ch[channel].regs->cfg;
 }
@@ -203,8 +300,8 @@ static inline void set_dma_sg(unsigned int channel, struct dmasg *sg, int ndsize
 
 	dma_ch[channel].regs->next_desc_ptr = sg;
 	dma_ch[channel].regs->cfg =
-		(dma_ch[channel].regs->cfg & ~(0xf << 8)) |
-		((ndsize & 0xf) << 8);
+		(dma_ch[channel].regs->cfg & ~NDSIZE) |
+		((ndsize << NDSIZE_OFFSET) & NDSIZE);
 }
 
 static inline int dma_channel_active(unsigned int channel)
@@ -239,7 +336,7 @@ static inline void dma_enable_irq(unsigned int channel)
 }
 static inline void clear_dma_irqstat(unsigned int channel)
 {
-	dma_ch[channel].regs->irq_status = DMA_DONE | DMA_ERR;
+	dma_ch[channel].regs->irq_status = DMA_DONE | DMA_ERR | DMA_PIRQ;
 }
 
 void *dma_memcpy(void *dest, const void *src, size_t count);

arch/blackfin/include/asm/fixed_code.h

@@ -29,24 +29,28 @@ extern void sigreturn_stub(void);
 #endif
 #endif
 
-#define FIXED_CODE_START	0x400
+#ifndef CONFIG_PHY_RAM_BASE_ADDRESS
+#define CONFIG_PHY_RAM_BASE_ADDRESS	0x0
+#endif
+
+#define FIXED_CODE_START	(CONFIG_PHY_RAM_BASE_ADDRESS + 0x400)
 
-#define SIGRETURN_STUB		0x400
+#define SIGRETURN_STUB		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x400)
 
-#define ATOMIC_SEQS_START	0x410
+#define ATOMIC_SEQS_START	(CONFIG_PHY_RAM_BASE_ADDRESS + 0x410)
 
-#define ATOMIC_XCHG32		0x410
-#define ATOMIC_CAS32		0x420
-#define ATOMIC_ADD32		0x430
-#define ATOMIC_SUB32		0x440
-#define ATOMIC_IOR32		0x450
-#define ATOMIC_AND32		0x460
-#define ATOMIC_XOR32		0x470
+#define ATOMIC_XCHG32		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x410)
+#define ATOMIC_CAS32		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x420)
+#define ATOMIC_ADD32		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x430)
+#define ATOMIC_SUB32		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x440)
+#define ATOMIC_IOR32		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x450)
+#define ATOMIC_AND32		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x460)
+#define ATOMIC_XOR32		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x470)
 
-#define ATOMIC_SEQS_END		0x480
+#define ATOMIC_SEQS_END		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x480)
 
-#define SAFE_USER_INSTRUCTION   0x480
+#define SAFE_USER_INSTRUCTION   (CONFIG_PHY_RAM_BASE_ADDRESS + 0x480)
 
-#define FIXED_CODE_END		0x490
+#define FIXED_CODE_END		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x490)
 
 #endif

arch/blackfin/include/asm/page.h

@@ -7,14 +7,15 @@
 #ifndef _BLACKFIN_PAGE_H
 #define _BLACKFIN_PAGE_H
 
-#include <asm-generic/page.h>
-#define MAP_NR(addr) (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)
+#define ARCH_PFN_OFFSET (CONFIG_PHY_RAM_BASE_ADDRESS >> PAGE_SHIFT)
+#define MAP_NR(addr) ((unsigned long)(addr) >> PAGE_SHIFT)
 
 #define VM_DATA_DEFAULT_FLAGS \
 	(VM_READ | VM_WRITE | \
 	((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
 		 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
 
+#include <asm-generic/page.h>
 #include <asm-generic/memory_model.h>
 #include <asm-generic/getorder.h>
 

arch/blackfin/kernel/bfin_dma.c

@@ -45,9 +45,15 @@ static int __init blackfin_dma_init(void)
 		atomic_set(&dma_ch[i].chan_status, 0);
 		dma_ch[i].regs = dma_io_base_addr[i];
 	}
+#ifdef CH_MEM_STREAM3_SRC
+	/* Mark MEMDMA Channel 3 as requested since we're using it internally */
+	request_dma(CH_MEM_STREAM3_DEST, "Blackfin dma_memcpy");
+	request_dma(CH_MEM_STREAM3_SRC, "Blackfin dma_memcpy");
+#else
 	/* Mark MEMDMA Channel 0 as requested since we're using it internally */
 	request_dma(CH_MEM_STREAM0_DEST, "Blackfin dma_memcpy");
 	request_dma(CH_MEM_STREAM0_SRC, "Blackfin dma_memcpy");
+#endif
 
 #if defined(CONFIG_DEB_DMA_URGENT)
 	bfin_write_EBIU_DDRQUE(bfin_read_EBIU_DDRQUE()
@@ -204,6 +210,7 @@ EXPORT_SYMBOL(free_dma);
 # ifndef MAX_DMA_SUSPEND_CHANNELS
 #  define MAX_DMA_SUSPEND_CHANNELS MAX_DMA_CHANNELS
 # endif
+# ifndef CONFIG_BF60x
 int blackfin_dma_suspend(void)
 {
 	int i;
@@ -213,7 +220,6 @@ int blackfin_dma_suspend(void)
 			printk(KERN_ERR "DMA Channel %d failed to suspend\n", i);
 			return -EBUSY;
 		}
-
 		if (i < MAX_DMA_SUSPEND_CHANNELS)
 			dma_ch[i].saved_peripheral_map = dma_ch[i].regs->peripheral_map;
 	}
@@ -230,7 +236,6 @@ void blackfin_dma_resume(void)
 
 	for (i = 0; i < MAX_DMA_CHANNELS; ++i) {
 		dma_ch[i].regs->cfg = 0;
-
 		if (i < MAX_DMA_SUSPEND_CHANNELS)
 			dma_ch[i].regs->peripheral_map = dma_ch[i].saved_peripheral_map;
 	}
@@ -238,6 +243,16 @@ void blackfin_dma_resume(void)
 	bfin_write_DMAC_TC_PER(0x0111);
 #endif
 }
+# else
+int blackfin_dma_suspend(void)
+{
+	return 0;
+}
+
+void blackfin_dma_resume(void)
+{
+}
+#endif
 #endif
 
 /**
@@ -279,10 +294,10 @@ void __init early_dma_memcpy(void *pdst, const void *psrc, size_t size)
 			src_ch = (struct dma_register *)MDMA_S0_NEXT_DESC_PTR;
 		}
 
-		if (!bfin_read16(&src_ch->cfg))
+		if (!DMA_MMR_READ(&src_ch->cfg))
 			break;
-		else if (bfin_read16(&dst_ch->irq_status) & DMA_DONE) {
-			bfin_write16(&src_ch->cfg, 0);
+		else if (DMA_MMR_READ(&dst_ch->irq_status) & DMA_DONE) {
+			DMA_MMR_WRITE(&src_ch->cfg, 0);
 			break;
 		}
 	}
@@ -295,22 +310,31 @@ void __init early_dma_memcpy(void *pdst, const void *psrc, size_t size)
 
 	/* Destination */
 	bfin_write32(&dst_ch->start_addr, dst);
-	bfin_write16(&dst_ch->x_count, size >> 2);
-	bfin_write16(&dst_ch->x_modify, 1 << 2);
-	bfin_write16(&dst_ch->irq_status, DMA_DONE | DMA_ERR);
+	DMA_MMR_WRITE(&dst_ch->x_count, size >> 2);
+	DMA_MMR_WRITE(&dst_ch->x_modify, 1 << 2);
+	DMA_MMR_WRITE(&dst_ch->irq_status, DMA_DONE | DMA_ERR);
 
 	/* Source */
 	bfin_write32(&src_ch->start_addr, src);
-	bfin_write16(&src_ch->x_count, size >> 2);
-	bfin_write16(&src_ch->x_modify, 1 << 2);
-	bfin_write16(&src_ch->irq_status, DMA_DONE | DMA_ERR);
+	DMA_MMR_WRITE(&src_ch->x_count, size >> 2);
+	DMA_MMR_WRITE(&src_ch->x_modify, 1 << 2);
+	DMA_MMR_WRITE(&src_ch->irq_status, DMA_DONE | DMA_ERR);
 
 	/* Enable */
-	bfin_write16(&src_ch->cfg, DMAEN | WDSIZE_32);
-	bfin_write16(&dst_ch->cfg, WNR | DI_EN | DMAEN | WDSIZE_32);
+	DMA_MMR_WRITE(&src_ch->cfg, DMAEN | WDSIZE_32);
+	DMA_MMR_WRITE(&dst_ch->cfg, WNR | DI_EN_X | DMAEN | WDSIZE_32);
 
 	/* Since we are atomic now, don't use the workaround ssync */
 	__builtin_bfin_ssync();
+
+#ifdef CONFIG_BF60x
+	/* Work around a possible MDMA anomaly. Running 2 MDMA channels to
+	 * transfer DDR data to L1 SRAM may corrupt data.
+	 * Should be reverted after this issue is root caused.
+	 */
+	while (!(DMA_MMR_READ(&dst_ch->irq_status) & DMA_DONE))
+		continue;
+#endif
 }
 
 void __init early_dma_memcpy_done(void)
@@ -336,6 +360,42 @@ void __init early_dma_memcpy_done(void)
 	__builtin_bfin_ssync();
 }
 
+#ifdef CH_MEM_STREAM3_SRC
+#define bfin_read_MDMA_S_CONFIG bfin_read_MDMA_S3_CONFIG
+#define bfin_write_MDMA_S_CONFIG bfin_write_MDMA_S3_CONFIG
+#define bfin_write_MDMA_S_START_ADDR bfin_write_MDMA_S3_START_ADDR
+#define bfin_write_MDMA_S_IRQ_STATUS bfin_write_MDMA_S3_IRQ_STATUS
+#define bfin_write_MDMA_S_X_COUNT bfin_write_MDMA_S3_X_COUNT
+#define bfin_write_MDMA_S_X_MODIFY bfin_write_MDMA_S3_X_MODIFY
+#define bfin_write_MDMA_S_Y_COUNT bfin_write_MDMA_S3_Y_COUNT
+#define bfin_write_MDMA_S_Y_MODIFY bfin_write_MDMA_S3_Y_MODIFY
+#define bfin_write_MDMA_D_CONFIG bfin_write_MDMA_D3_CONFIG
+#define bfin_write_MDMA_D_START_ADDR bfin_write_MDMA_D3_START_ADDR
+#define bfin_read_MDMA_D_IRQ_STATUS bfin_read_MDMA_D3_IRQ_STATUS
+#define bfin_write_MDMA_D_IRQ_STATUS bfin_write_MDMA_D3_IRQ_STATUS
+#define bfin_write_MDMA_D_X_COUNT bfin_write_MDMA_D3_X_COUNT
+#define bfin_write_MDMA_D_X_MODIFY bfin_write_MDMA_D3_X_MODIFY
+#define bfin_write_MDMA_D_Y_COUNT bfin_write_MDMA_D3_Y_COUNT
+#define bfin_write_MDMA_D_Y_MODIFY bfin_write_MDMA_D3_Y_MODIFY
+#else
+#define bfin_read_MDMA_S_CONFIG bfin_read_MDMA_S0_CONFIG
+#define bfin_write_MDMA_S_CONFIG bfin_write_MDMA_S0_CONFIG
+#define bfin_write_MDMA_S_START_ADDR bfin_write_MDMA_S0_START_ADDR
+#define bfin_write_MDMA_S_IRQ_STATUS bfin_write_MDMA_S0_IRQ_STATUS
+#define bfin_write_MDMA_S_X_COUNT bfin_write_MDMA_S0_X_COUNT
+#define bfin_write_MDMA_S_X_MODIFY bfin_write_MDMA_S0_X_MODIFY
+#define bfin_write_MDMA_S_Y_COUNT bfin_write_MDMA_S0_Y_COUNT
+#define bfin_write_MDMA_S_Y_MODIFY bfin_write_MDMA_S0_Y_MODIFY
+#define bfin_write_MDMA_D_CONFIG bfin_write_MDMA_D0_CONFIG
+#define bfin_write_MDMA_D_START_ADDR bfin_write_MDMA_D0_START_ADDR
+#define bfin_read_MDMA_D_IRQ_STATUS bfin_read_MDMA_D0_IRQ_STATUS
+#define bfin_write_MDMA_D_IRQ_STATUS bfin_write_MDMA_D0_IRQ_STATUS
+#define bfin_write_MDMA_D_X_COUNT bfin_write_MDMA_D0_X_COUNT
+#define bfin_write_MDMA_D_X_MODIFY bfin_write_MDMA_D0_X_MODIFY
+#define bfin_write_MDMA_D_Y_COUNT bfin_write_MDMA_D0_Y_COUNT
+#define bfin_write_MDMA_D_Y_MODIFY bfin_write_MDMA_D0_Y_MODIFY
+#endif
+
 /**
  *	__dma_memcpy - program the MDMA registers
  *
@@ -358,8 +418,8 @@ static void __dma_memcpy(u32 daddr, s16 dmod, u32 saddr, s16 smod, size_t cnt, u
 	 */
 	__builtin_bfin_ssync();
 
-	if (bfin_read_MDMA_S0_CONFIG())
-		while (!(bfin_read_MDMA_D0_IRQ_STATUS() & DMA_DONE))
+	if (bfin_read_MDMA_S_CONFIG())
+		while (!(bfin_read_MDMA_D_IRQ_STATUS() & DMA_DONE))
 			continue;
 
 	if (conf & DMA2D) {
@@ -374,39 +434,42 @@ static void __dma_memcpy(u32 daddr, s16 dmod, u32 saddr, s16 smod, size_t cnt, u
 		u32 shift = abs(dmod) >> 1;
 		size_t ycnt = cnt >> (16 - shift);
 		cnt = 1 << (16 - shift);
-		bfin_write_MDMA_D0_Y_COUNT(ycnt);
-		bfin_write_MDMA_S0_Y_COUNT(ycnt);
-		bfin_write_MDMA_D0_Y_MODIFY(dmod);
-		bfin_write_MDMA_S0_Y_MODIFY(smod);
+		bfin_write_MDMA_D_Y_COUNT(ycnt);
+		bfin_write_MDMA_S_Y_COUNT(ycnt);
+		bfin_write_MDMA_D_Y_MODIFY(dmod);
+		bfin_write_MDMA_S_Y_MODIFY(smod);
 	}
 
-	bfin_write_MDMA_D0_START_ADDR(daddr);
-	bfin_write_MDMA_D0_X_COUNT(cnt);
-	bfin_write_MDMA_D0_X_MODIFY(dmod);
-	bfin_write_MDMA_D0_IRQ_STATUS(DMA_DONE | DMA_ERR);
+	bfin_write_MDMA_D_START_ADDR(daddr);
+	bfin_write_MDMA_D_X_COUNT(cnt);
+	bfin_write_MDMA_D_X_MODIFY(dmod);
+	bfin_write_MDMA_D_IRQ_STATUS(DMA_DONE | DMA_ERR);
 
-	bfin_write_MDMA_S0_START_ADDR(saddr);
-	bfin_write_MDMA_S0_X_COUNT(cnt);
-	bfin_write_MDMA_S0_X_MODIFY(smod);
-	bfin_write_MDMA_S0_IRQ_STATUS(DMA_DONE | DMA_ERR);
+	bfin_write_MDMA_S_START_ADDR(saddr);
+	bfin_write_MDMA_S_X_COUNT(cnt);
+	bfin_write_MDMA_S_X_MODIFY(smod);
+	bfin_write_MDMA_S_IRQ_STATUS(DMA_DONE | DMA_ERR);
 
-	bfin_write_MDMA_S0_CONFIG(DMAEN | conf);
-	bfin_write_MDMA_D0_CONFIG(WNR | DI_EN | DMAEN | conf);
+	bfin_write_MDMA_S_CONFIG(DMAEN | conf);
+	if (conf & DMA2D)
+		bfin_write_MDMA_D_CONFIG(WNR | DI_EN_Y | DMAEN | conf);
+	else
+		bfin_write_MDMA_D_CONFIG(WNR | DI_EN_X | DMAEN | conf);
 
 	spin_unlock_irqrestore(&mdma_lock, flags);
 
 	SSYNC();
 
-	while (!(bfin_read_MDMA_D0_IRQ_STATUS() & DMA_DONE))
-		if (bfin_read_MDMA_S0_CONFIG())
+	while (!(bfin_read_MDMA_D_IRQ_STATUS() & DMA_DONE))
+		if (bfin_read_MDMA_S_CONFIG())
 			continue;
 		else
 			return;
 
-	bfin_write_MDMA_D0_IRQ_STATUS(DMA_DONE | DMA_ERR);
+	bfin_write_MDMA_D_IRQ_STATUS(DMA_DONE | DMA_ERR);
 
-	bfin_write_MDMA_S0_CONFIG(0);
-	bfin_write_MDMA_D0_CONFIG(0);
+	bfin_write_MDMA_S_CONFIG(0);
+	bfin_write_MDMA_D_CONFIG(0);
 }
 
 /**
@@ -448,8 +511,10 @@ static void *_dma_memcpy(void *pdst, const void *psrc, size_t size)
 	}
 	size >>= shift;
 
+#ifndef DMA_MMR_SIZE_32
 	if (size > 0x10000)
 		conf |= DMA2D;
+#endif
 
 	__dma_memcpy(dst, mod, src, mod, size, conf);
 
@@ -488,6 +553,9 @@ EXPORT_SYMBOL(dma_memcpy);
  */
 void *dma_memcpy_nocache(void *pdst, const void *psrc, size_t size)
 {
+#ifdef DMA_MMR_SIZE_32
+	_dma_memcpy(pdst, psrc, size);
+#else
 	size_t bulk, rest;
 
 	bulk = size & ~0xffff;
@@ -495,6 +563,7 @@ void *dma_memcpy_nocache(void *pdst, const void *psrc, size_t size)
 	if (bulk)
 		_dma_memcpy(pdst, psrc, bulk);
 	_dma_memcpy(pdst + bulk, psrc + bulk, rest);
+#endif
 	return pdst;
 }
 EXPORT_SYMBOL(dma_memcpy_nocache);
@@ -514,14 +583,14 @@ void *safe_dma_memcpy(void *dst, const void *src, size_t size)
 }
 EXPORT_SYMBOL(safe_dma_memcpy);
 
-static void _dma_out(unsigned long addr, unsigned long buf, unsigned short len,
+static void _dma_out(unsigned long addr, unsigned long buf, unsigned DMA_MMR_SIZE_TYPE len,
                      u16 size, u16 dma_size)
 {
 	blackfin_dcache_flush_range(buf, buf + len * size);
 	__dma_memcpy(addr, 0, buf, size, len, dma_size);
 }
 
-static void _dma_in(unsigned long addr, unsigned long buf, unsigned short len,
+static void _dma_in(unsigned long addr, unsigned long buf, unsigned DMA_MMR_SIZE_TYPE len,
                     u16 size, u16 dma_size)
 {
 	blackfin_dcache_invalidate_range(buf, buf + len * size);
@@ -529,7 +598,7 @@ static void _dma_in(unsigned long addr, unsigned long buf, unsigned short len,
 }
 
 #define MAKE_DMA_IO(io, bwl, isize, dmasize, cnst) \
-void dma_##io##s##bwl(unsigned long addr, cnst void *buf, unsigned short len) \
+void dma_##io##s##bwl(unsigned long addr, cnst void *buf, unsigned DMA_MMR_SIZE_TYPE len) \
 { \
 	_dma_##io(addr, (unsigned long)buf, len, isize, WDSIZE_##dmasize); \
 } \

arch/blackfin/kernel/bfin_gpio.c

@@ -58,7 +58,7 @@ static struct gpio_port_t * const gpio_array[] = {
 	(struct gpio_port_t *) FIO0_FLAG_D,
 	(struct gpio_port_t *) FIO1_FLAG_D,
 	(struct gpio_port_t *) FIO2_FLAG_D,
-#elif defined(CONFIG_BF54x)
+#elif defined(CONFIG_BF54x) || defined(CONFIG_BF60x) 
 	(struct gpio_port_t *)PORTA_FER,
 	(struct gpio_port_t *)PORTB_FER,
 	(struct gpio_port_t *)PORTC_FER,
@@ -66,6 +66,7 @@ static struct gpio_port_t * const gpio_array[] = {
 	(struct gpio_port_t *)PORTE_FER,
 	(struct gpio_port_t *)PORTF_FER,
 	(struct gpio_port_t *)PORTG_FER,
+#elif defined(CONFIG_BF54x) 
 	(struct gpio_port_t *)PORTH_FER,
 	(struct gpio_port_t *)PORTI_FER,
 	(struct gpio_port_t *)PORTJ_FER,
@@ -210,7 +211,7 @@ static void port_setup(unsigned gpio, unsigned short usage)
 	else
 		*port_fer[gpio_bank(gpio)] |= gpio_bit(gpio);
 	SSYNC();
-#elif defined(CONFIG_BF54x)
+#elif defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
 	if (usage == GPIO_USAGE)
 		gpio_array[gpio_bank(gpio)]->port_fer &= ~gpio_bit(gpio);
 	else
@@ -299,7 +300,7 @@ static void portmux_setup(unsigned short per)
 	pmux |= (function << offset);
 	bfin_write_PORT_MUX(pmux);
 }
-#elif defined(CONFIG_BF54x)
+#elif defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
 inline void portmux_setup(unsigned short per)
 {
 	u16 ident = P_IDENT(per);
@@ -377,7 +378,7 @@ static int portmux_group_check(unsigned short per)
 }
 #endif
 
-#ifndef CONFIG_BF54x
+#if !(defined(CONFIG_BF54x) || defined(CONFIG_BF60x))
 /***********************************************************
 *
 * FUNCTIONS: Blackfin General Purpose Ports Access Functions
@@ -680,7 +681,7 @@ void bfin_gpio_pm_hibernate_restore(void)
 
 
 #endif
-#else /* CONFIG_BF54x */
+#else /* CONFIG_BF54x || CONFIG_BF60x */
 #ifdef CONFIG_PM
 
 int bfin_pm_standby_ctrl(unsigned ctrl)
@@ -726,7 +727,7 @@ unsigned short get_gpio_dir(unsigned gpio)
 }
 EXPORT_SYMBOL(get_gpio_dir);
 
-#endif /* CONFIG_BF54x */
+#endif /* CONFIG_BF54x || CONFIG_BF60x */
 
 /***********************************************************
 *
@@ -783,7 +784,7 @@ int peripheral_request(unsigned short per, const char *label)
 		 * be requested and used by several drivers
 		 */
 
-#ifdef CONFIG_BF54x
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
 		if (!((per & P_MAYSHARE) && get_portmux(per) == P_FUNCT2MUX(per))) {
 #else
 		if (!(per & P_MAYSHARE)) {
@@ -937,7 +938,7 @@ int bfin_gpio_request(unsigned gpio, const char *label)
 		printk(KERN_NOTICE "bfin-gpio: GPIO %d is already reserved as gpio-irq!"
 		       " (Documentation/blackfin/bfin-gpio-notes.txt)\n", gpio);
 	}
-#ifndef CONFIG_BF54x
+#if !(defined(CONFIG_BF54x) || defined(CONFIG_BF60x))
 	else {	/* Reset POLAR setting when acquiring a gpio for the first time */
 		set_gpio_polar(gpio, 0);
 	}
@@ -1110,7 +1111,7 @@ void bfin_gpio_irq_free(unsigned gpio)
 
 static inline void __bfin_gpio_direction_input(unsigned gpio)
 {
-#ifdef CONFIG_BF54x
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
 	gpio_array[gpio_bank(gpio)]->dir_clear = gpio_bit(gpio);
 #else
 	gpio_array[gpio_bank(gpio)]->dir &= ~gpio_bit(gpio);
@@ -1138,13 +1139,13 @@ EXPORT_SYMBOL(bfin_gpio_direction_input);
 
 void bfin_gpio_irq_prepare(unsigned gpio)
 {
-#ifdef CONFIG_BF54x
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
 	unsigned long flags;
 #endif
 
 	port_setup(gpio, GPIO_USAGE);
 
-#ifdef CONFIG_BF54x
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
 	flags = hard_local_irq_save();
 	__bfin_gpio_direction_input(gpio);
 	hard_local_irq_restore(flags);
@@ -1173,7 +1174,7 @@ int bfin_gpio_direction_output(unsigned gpio, int value)
 
 	gpio_array[gpio_bank(gpio)]->inen &= ~gpio_bit(gpio);
 	gpio_set_value(gpio, value);
-#ifdef CONFIG_BF54x
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
 	gpio_array[gpio_bank(gpio)]->dir_set = gpio_bit(gpio);
 #else
 	gpio_array[gpio_bank(gpio)]->dir |= gpio_bit(gpio);
@@ -1188,7 +1189,7 @@ EXPORT_SYMBOL(bfin_gpio_direction_output);
 
 int bfin_gpio_get_value(unsigned gpio)
 {
-#ifdef CONFIG_BF54x
+#if defined(CONFIG_BF54x) || defined(CONFIG_BF60x)
 	return (1 & (gpio_array[gpio_bank(gpio)]->data >> gpio_sub_n(gpio)));
 #else
 	unsigned long flags;

arch/blackfin/kernel/debug-mmrs.c

@@ -105,6 +105,7 @@ DEFINE_SYSREG(seqstat, , );
 DEFINE_SYSREG(syscfg, , CSYNC());
 #define D_SYSREG(sr) debugfs_create_file(#sr, S_IRUSR|S_IWUSR, parent, NULL, &fops_sysreg_##sr)
 
+#ifndef CONFIG_BF60x
 /*
  * CAN
  */
@@ -223,8 +224,10 @@ bfin_debug_mmrs_dma(struct dentry *parent, unsigned long base, int num, char mdm
 	__DMA(CURR_DESC_PTR, curr_desc_ptr);
 	__DMA(CURR_ADDR, curr_addr);
 	__DMA(IRQ_STATUS, irq_status);
+#ifndef CONFIG_BF60x
 	if (strcmp(pfx, "IMDMA") != 0)
 		__DMA(PERIPHERAL_MAP, peripheral_map);
+#endif
 	__DMA(CURR_X_COUNT, curr_x_count);
 	__DMA(CURR_Y_COUNT, curr_y_count);
 }
@@ -568,7 +571,7 @@ bfin_debug_mmrs_uart(struct dentry *parent, unsigned long base, int num)
 #endif
 }
 #define UART(num) bfin_debug_mmrs_uart(parent, UART##num##_DLL, num)
-
+#endif /* CONFIG_BF60x */
 /*
  * The actual debugfs generation
  */
@@ -740,7 +743,7 @@ static int __init bfin_debug_mmrs_init(void)
 	D32(WPDACNT0);
 	D32(WPDACNT1);
 	D32(WPSTAT);
-
+#ifndef CONFIG_BF60x
 	/* System MMRs */
 #ifdef ATAPI_CONTROL
 	parent = debugfs_create_dir("atapi", top);
@@ -1873,7 +1876,7 @@ static int __init bfin_debug_mmrs_init(void)
 
 	}
 #endif	/* BF54x */
-
+#endif /* CONFIG_BF60x */
 	debug_mmrs_dentry = top;
 
 	return 0;

arch/blackfin/kernel/process.c

@@ -95,7 +95,9 @@ void cpu_idle(void)
 			idle();
 		rcu_idle_exit();
 		tick_nohz_idle_exit();
-		schedule_preempt_disabled();
+		preempt_enable_no_resched();
+		schedule();
+		preempt_disable();
 	}
 }
 
@@ -329,12 +331,16 @@ int in_mem_const(unsigned long addr, unsigned long size,
 {
 	return in_mem_const_off(addr, size, 0, const_addr, const_size);
 }
+#ifdef CONFIG_BF60x
+#define ASYNC_ENABLED(bnum, bctlnum)	1
+#else
 #define ASYNC_ENABLED(bnum, bctlnum) \
 ({ \
 	(bfin_read_EBIU_AMGCTL() & 0xe) < ((bnum + 1) << 1) ? 0 : \
 	bfin_read_EBIU_AMBCTL##bctlnum() & B##bnum##RDYEN ? 0 : \
 	1; \
 })
+#endif
 /*
  * We can't read EBIU banks that aren't enabled or we end up hanging
  * on the access to the async space.  Make sure we validate accesses

arch/blackfin/kernel/reboot.c

@@ -22,6 +22,7 @@
 __attribute__ ((__l1_text__, __noreturn__))
 static void bfin_reset(void)
 {
+#ifndef CONFIG_BF60x
 	if (!ANOMALY_05000353 && !ANOMALY_05000386)
 		bfrom_SoftReset((void *)(L1_SCRATCH_START + L1_SCRATCH_LENGTH - 20));
 
@@ -57,7 +58,6 @@ static void bfin_reset(void)
 	if (__SILICON_REVISION__ < 1 && bfin_revid() < 1)
 		bfin_read_SWRST();
 #endif
-
 	/* Wait for the SWRST write to complete.  Cannot rely on SSYNC
 	 * though as the System state is all reset now.
 	 */
@@ -72,6 +72,10 @@ static void bfin_reset(void)
 	while (1)
 		/* Issue core reset */
 		asm("raise 1");
+#else
+	while (1)
+		bfin_write_RCU0_CTL(0x1);
+#endif
 }
 
 __attribute__((weak))

arch/blackfin/kernel/setup.c

@@ -25,6 +25,7 @@
 #include <asm/cacheflush.h>
 #include <asm/blackfin.h>
 #include <asm/cplbinit.h>
+#include <asm/clocks.h>
 #include <asm/div64.h>
 #include <asm/cpu.h>
 #include <asm/fixed_code.h>
@@ -550,7 +551,6 @@ static __init void memory_setup(void)
 {
 #ifdef CONFIG_MTD_UCLINUX
 	unsigned long mtd_phys = 0;
-	unsigned long n;
 #endif
 	unsigned long max_mem;
 
@@ -594,9 +594,9 @@ static __init void memory_setup(void)
 	mtd_size = PAGE_ALIGN(*((unsigned long *)(mtd_phys + 8)));
 
 # if defined(CONFIG_EXT2_FS) || defined(CONFIG_EXT3_FS)
-	n = ext2_image_size((void *)(mtd_phys + 0x400));
-	if (n)
-		mtd_size = PAGE_ALIGN(n * 1024);
+	if (*((unsigned short *)(mtd_phys + 0x438)) == EXT2_SUPER_MAGIC)
+		mtd_size =
+		    PAGE_ALIGN(*((unsigned long *)(mtd_phys + 0x404)) << 10);
 # endif
 
 # if defined(CONFIG_CRAMFS)
@@ -612,7 +612,8 @@ static __init void memory_setup(void)
 
 		/* ROM_FS is XIP, so if we found it, we need to limit memory */
 		if (memory_end > max_mem) {
-			pr_info("Limiting kernel memory to %liMB due to anomaly 05000263\n", max_mem >> 20);
+			pr_info("Limiting kernel memory to %liMB due to anomaly 05000263\n",
+				(max_mem - CONFIG_PHY_RAM_BASE_ADDRESS) >> 20);
 			memory_end = max_mem;
 		}
 	}
@@ -642,7 +643,8 @@ static __init void memory_setup(void)
 	 * doesn't exist, or we don't need to - then dont.
 	 */
 	if (memory_end > max_mem) {
-		pr_info("Limiting kernel memory to %liMB due to anomaly 05000263\n", max_mem >> 20);
+		pr_info("Limiting kernel memory to %liMB due to anomaly 05000263\n",
+				(max_mem - CONFIG_PHY_RAM_BASE_ADDRESS) >> 20);
 		memory_end = max_mem;
 	}
 
@@ -661,8 +663,8 @@ static __init void memory_setup(void)
 	init_mm.end_data = (unsigned long)_edata;
 	init_mm.brk = (unsigned long)0;
 
-	printk(KERN_INFO "Board Memory: %ldMB\n", physical_mem_end >> 20);
-	printk(KERN_INFO "Kernel Managed Memory: %ldMB\n", _ramend >> 20);
+	printk(KERN_INFO "Board Memory: %ldMB\n", (physical_mem_end - CONFIG_PHY_RAM_BASE_ADDRESS) >> 20);
+	printk(KERN_INFO "Kernel Managed Memory: %ldMB\n", (_ramend - CONFIG_PHY_RAM_BASE_ADDRESS) >> 20);
 
 	printk(KERN_INFO "Memory map:\n"
 	       "  fixedcode = 0x%p-0x%p\n"
@@ -705,7 +707,7 @@ void __init find_min_max_pfn(void)
 	int i;
 
 	max_pfn = 0;
-	min_low_pfn = memory_end;
+	min_low_pfn = PFN_DOWN(memory_end);
 
 	for (i = 0; i < bfin_memmap.nr_map; i++) {
 		unsigned long start, end;
@@ -748,8 +750,7 @@ static __init void setup_bootmem_allocator(void)
 	/* pfn of the first usable page frame after kernel image*/
 	if (min_low_pfn < memory_start >> PAGE_SHIFT)
 		min_low_pfn = memory_start >> PAGE_SHIFT;
-
-	start_pfn = PAGE_OFFSET >> PAGE_SHIFT;
+	start_pfn = CONFIG_PHY_RAM_BASE_ADDRESS >> PAGE_SHIFT;
 	end_pfn = memory_end >> PAGE_SHIFT;
 
 	/*
@@ -794,8 +795,8 @@ static __init void setup_bootmem_allocator(void)
 	}
 
 	/* reserve memory before memory_start, including bootmap */
-	reserve_bootmem(PAGE_OFFSET,
-		memory_start + bootmap_size + PAGE_SIZE - 1 - PAGE_OFFSET,
+	reserve_bootmem(CONFIG_PHY_RAM_BASE_ADDRESS,
+		memory_start + bootmap_size + PAGE_SIZE - 1 - CONFIG_PHY_RAM_BASE_ADDRESS,
 		BOOTMEM_DEFAULT);
 }
 
@@ -844,13 +845,40 @@ static inline int __init get_mem_size(void)
 		break;
 	}
 	switch (ddrctl & 0x30000) {
-		case DEVWD_4:  ret *= 2;
-		case DEVWD_8:  ret *= 2;
-		case DEVWD_16: break;
+	case DEVWD_4:
+		ret *= 2;
+	case DEVWD_8:
+		ret *= 2;
+	case DEVWD_16:
+		break;
 	}
 	if ((ddrctl & 0xc000) == 0x4000)
 		ret *= 2;
 	return ret;
+#elif defined(CONFIG_BF60x)
+	u32 ddrctl = bfin_read_DDR0_CFG();
+	int ret;
+	switch (ddrctl & 0xf00) {
+	case DEVSZ_64:
+		ret = 64 / 8;
+		break;
+	case DEVSZ_128:
+		ret = 128 / 8;
+		break;
+	case DEVSZ_256:
+		ret = 256 / 8;
+		break;
+	case DEVSZ_512:
+		ret = 512 / 8;
+		break;
+	case DEVSZ_1G:
+		ret = 1024 / 8;
+		break;
+	case DEVSZ_2G:
+		ret = 2048 / 8;
+		break;
+	}
+	return ret;
 #endif
 	BUG();
 }
@@ -864,12 +892,14 @@ void __init setup_arch(char **cmdline_p)
 {
 	u32 mmr;
 	unsigned long sclk, cclk;
+	struct clk *clk;
 
 	native_machine_early_platform_add_devices();
 
 	enable_shadow_console();
 
 	/* Check to make sure we are running on the right processor */
+	mmr =  bfin_cpuid();
 	if (unlikely(CPUID != bfin_cpuid()))
 		printk(KERN_ERR "ERROR: Not running on ADSP-%s: unknown CPUID 0x%04x Rev 0.%d\n",
 			CPU, bfin_cpuid(), bfin_revid());
@@ -890,6 +920,10 @@ void __init setup_arch(char **cmdline_p)
 
 	memset(&bfin_memmap, 0, sizeof(bfin_memmap));
 
+#ifdef CONFIG_BF60x
+	/* Should init clock device before parse command early */
+	clk_init();
+#endif
 	/* If the user does not specify things on the command line, use
 	 * what the bootloader set things up as
 	 */
@@ -904,6 +938,7 @@ void __init setup_arch(char **cmdline_p)
 
 	memory_setup();
 
+#ifndef CONFIG_BF60x
 	/* Initialize Async memory banks */
 	bfin_write_EBIU_AMBCTL0(AMBCTL0VAL);
 	bfin_write_EBIU_AMBCTL1(AMBCTL1VAL);
@@ -913,6 +948,7 @@ void __init setup_arch(char **cmdline_p)
 	bfin_write_EBIU_MODE(CONFIG_EBIU_MODEVAL);
 	bfin_write_EBIU_FCTL(CONFIG_EBIU_FCTLVAL);
 #endif
+#endif
 #ifdef CONFIG_BFIN_HYSTERESIS_CONTROL
 	bfin_write_PORTF_HYSTERESIS(HYST_PORTF_0_15);
 	bfin_write_PORTG_HYSTERESIS(HYST_PORTG_0_15);
@@ -921,8 +957,24 @@ void __init setup_arch(char **cmdline_p)
 					~HYST_NONEGPIO_MASK) | HYST_NONEGPIO);
 #endif
 
+#ifdef CONFIG_BF60x
+	clk = clk_get(NULL, "CCLK");
+	if (!IS_ERR(clk)) {
+		cclk = clk_get_rate(clk);
+		clk_put(clk);
+	} else
+		cclk = 0;
+
+	clk = clk_get(NULL, "SCLK0");
+	if (!IS_ERR(clk)) {
+		sclk = clk_get_rate(clk);
+		clk_put(clk);
+	} else
+		sclk = 0;
+#else
 	cclk = get_cclk();
 	sclk = get_sclk();
+#endif
 
 	if ((ANOMALY_05000273 || ANOMALY_05000274) && (cclk >> 1) < sclk)
 		panic("ANOMALY 05000273 or 05000274: CCLK must be >= 2*SCLK");
@@ -938,7 +990,7 @@ void __init setup_arch(char **cmdline_p)
 	printk(KERN_INFO "Hardware Trace %s and %sabled\n",
 		(mmr & 0x1) ? "active" : "off",
 		(mmr & 0x2) ? "en" : "dis");
-
+#ifndef CONFIG_BF60x
 	mmr = bfin_read_SYSCR();
 	printk(KERN_INFO "Boot Mode: %i\n", mmr & 0xF);
 
@@ -980,7 +1032,7 @@ void __init setup_arch(char **cmdline_p)
 		printk(KERN_INFO "Recovering from Watchdog event\n");
 	else if (_bfin_swrst & RESET_SOFTWARE)
 		printk(KERN_NOTICE "Reset caused by Software reset\n");
-
+#endif
 	printk(KERN_INFO "Blackfin support (C) 2004-2010 Analog Devices, Inc.\n");
 	if (bfin_compiled_revid() == 0xffff)
 		printk(KERN_INFO "Compiled for ADSP-%s Rev any, running on 0.%d\n", CPU, bfin_revid());
@@ -1060,10 +1112,12 @@ subsys_initcall(topology_init);
 
 /* Get the input clock frequency */
 static u_long cached_clkin_hz = CONFIG_CLKIN_HZ;
+#ifndef CONFIG_BF60x
 static u_long get_clkin_hz(void)
 {
 	return cached_clkin_hz;
 }
+#endif
 static int __init early_init_clkin_hz(char *buf)
 {
 	cached_clkin_hz = simple_strtoul(buf, NULL, 0);
@@ -1075,6 +1129,7 @@ static int __init early_init_clkin_hz(char *buf)
 }
 early_param("clkin_hz=", early_init_clkin_hz);
 
+#ifndef CONFIG_BF60x
 /* Get the voltage input multiplier */
 static u_long get_vco(void)
 {
@@ -1097,10 +1152,23 @@ static u_long get_vco(void)
 	cached_vco *= msel;
 	return cached_vco;
 }
+#endif
 
 /* Get the Core clock */
 u_long get_cclk(void)
 {
+#ifdef CONFIG_BF60x
+	struct clk *cclk;
+	u_long cclk_rate;
+
+	cclk = clk_get(NULL, "CCLK");
+	if (IS_ERR(cclk))
+		return 0;
+
+	cclk_rate = clk_get_rate(cclk);
+	clk_put(cclk);
+	return cclk_rate;
+#else
 	static u_long cached_cclk_pll_div, cached_cclk;
 	u_long csel, ssel;
 
@@ -1120,12 +1188,66 @@ u_long get_cclk(void)
 	else
 		cached_cclk = get_vco() >> csel;
 	return cached_cclk;
+#endif
 }
 EXPORT_SYMBOL(get_cclk);
 
+#ifdef CONFIG_BF60x
+/* Get the bf60x clock of SCLK0 domain */
+u_long get_sclk0(void)
+{
+	struct clk *sclk0;
+	u_long sclk0_rate;
+
+	sclk0 = clk_get(NULL, "SCLK0");
+	if (IS_ERR(sclk0))
+		return 0;
+
+	sclk0_rate = clk_get_rate(sclk0);
+	clk_put(sclk0);
+	return sclk0_rate;
+}
+EXPORT_SYMBOL(get_sclk0);
+
+/* Get the bf60x clock of SCLK1 domain */
+u_long get_sclk1(void)
+{
+	struct clk *sclk1;
+	u_long sclk1_rate;
+
+	sclk1 = clk_get(NULL, "SCLK1");
+	if (IS_ERR(sclk1))
+		return 0;
+
+	sclk1_rate = clk_get_rate(sclk1);
+	clk_put(sclk1);
+	return sclk1_rate;
+}
+EXPORT_SYMBOL(get_sclk1);
+
+/* Get the bf60x DRAM clock */
+u_long get_dclk(void)
+{
+	struct clk *dclk;
+	u_long dclk_rate;
+
+	dclk = clk_get(NULL, "DCLK");
+	if (IS_ERR(dclk))
+		return 0;
+
+	dclk_rate = clk_get_rate(dclk);
+	clk_put(dclk);
+	return dclk_rate;
+}
+EXPORT_SYMBOL(get_dclk);
+#endif
+
 /* Get the System clock */
 u_long get_sclk(void)
 {
+#ifdef CONFIG_BF60x
+	return get_sclk0();
+#else
 	static u_long cached_sclk;
 	u_long ssel;
 
@@ -1146,6 +1268,7 @@ u_long get_sclk(void)
 
 	cached_sclk = get_vco() / ssel;
 	return cached_sclk;
+#endif
 }
 EXPORT_SYMBOL(get_sclk);
 

arch/blackfin/kernel/shadow_console.c

@@ -15,9 +15,9 @@
 #include <asm/irq_handler.h>
 #include <asm/early_printk.h>
 
-#define SHADOW_CONSOLE_START		(0x500)
-#define SHADOW_CONSOLE_END		(0x1000)
-#define SHADOW_CONSOLE_MAGIC_LOC	(0x4F0)
+#define SHADOW_CONSOLE_START		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x500)
+#define SHADOW_CONSOLE_END		(CONFIG_PHY_RAM_BASE_ADDRESS + 0x1000)
+#define SHADOW_CONSOLE_MAGIC_LOC	(CONFIG_PHY_RAM_BASE_ADDRESS + 0x4F0)
 #define SHADOW_CONSOLE_MAGIC		(0xDEADBEEF)
 
 static __initdata char *shadow_console_buffer = (char *)SHADOW_CONSOLE_START;

arch/blackfin/mach-common/entry.S

@@ -1141,7 +1141,8 @@ ENTRY(_schedule_and_signal_from_int)
 	sti r0;
 
 	/* finish the userspace "atomic" functions for it */
-	r1 = FIXED_CODE_END;
+	r1.l = lo(FIXED_CODE_END);
+	r1.h = hi(FIXED_CODE_END);
 	r2 = [sp + PT_PC];
 	cc = r1 <= r2;
 	if cc jump .Lresume_userspace (bp);

arch/blackfin/mach-common/head.S

@@ -210,14 +210,12 @@ ENDPROC(__start)
 ENTRY(_real_start)
 	/* Enable nested interrupts */
 	[--sp] = reti;
-
 	/* watchdog off for now */
 	p0.l = lo(WDOG_CTL);
 	p0.h = hi(WDOG_CTL);
 	r0 = 0xAD6(z);
 	w[p0] = r0;
 	ssync;
-
 	/* Pass the u-boot arguments to the global value command line */
 	R0 = R7;
 	call _cmdline_init;

arch/blackfin/mm/init.c

@@ -48,7 +48,7 @@ void __init paging_init(void)
 
 	unsigned long zones_size[MAX_NR_ZONES] = {
 		[0] = 0,
-		[ZONE_DMA] = (end_mem - PAGE_OFFSET) >> PAGE_SHIFT,
+		[ZONE_DMA] = (end_mem - CONFIG_PHY_RAM_BASE_ADDRESS) >> PAGE_SHIFT,
 		[ZONE_NORMAL] = 0,
 #ifdef CONFIG_HIGHMEM
 		[ZONE_HIGHMEM] = 0,
@@ -60,7 +60,8 @@ void __init paging_init(void)
 
 	pr_debug("free_area_init -> start_mem is %#lx virtual_end is %#lx\n",
 	        PAGE_ALIGN(memory_start), end_mem);
-	free_area_init(zones_size);
+	free_area_init_node(0, zones_size,
+		CONFIG_PHY_RAM_BASE_ADDRESS >> PAGE_SHIFT, NULL);
 }
 
 asmlinkage void __init init_pda(void)
@@ -75,9 +76,6 @@ asmlinkage void __init init_pda(void)
 	   valid pointers to it. */
 	memset(&cpu_pda[cpu], 0, sizeof(cpu_pda[cpu]));
 
-	cpu_pda[0].next = &cpu_pda[1];
-	cpu_pda[1].next = &cpu_pda[0];
-
 #ifdef CONFIG_EXCEPTION_L1_SCRATCH
 	cpu_pda[cpu].ex_stack = (unsigned long *)(L1_SCRATCH_START + \
 					L1_SCRATCH_LENGTH);
@@ -109,10 +107,10 @@ void __init mem_init(void)
 	totalram_pages = free_all_bootmem();
 
 	reservedpages = 0;
-	for (tmp = 0; tmp < max_mapnr; tmp++)
+	for (tmp = ARCH_PFN_OFFSET; tmp < max_mapnr; tmp++)
 		if (PageReserved(pfn_to_page(tmp)))
 			reservedpages++;
-	freepages =  max_mapnr - reservedpages;
+	freepages =  max_mapnr - ARCH_PFN_OFFSET - reservedpages;
 
 	/* do not count in kernel image between _rambase and _ramstart */
 	reservedpages -= (_ramstart - _rambase) >> PAGE_SHIFT;
@@ -127,7 +125,7 @@ void __init mem_init(void)
 	printk(KERN_INFO
 	     "Memory available: %luk/%luk RAM, "
 		"(%uk init code, %uk kernel code, %uk data, %uk dma, %uk reserved)\n",
-		(unsigned long) freepages << (PAGE_SHIFT-10), _ramend >> 10,
+		(unsigned long) freepages << (PAGE_SHIFT-10), (_ramend - CONFIG_PHY_RAM_BASE_ADDRESS) >> 10,
 		initk, codek, datak, DMA_UNCACHED_REGION >> 10, (reservedpages << (PAGE_SHIFT-10)));
 }