blackfin: add bf60x to current framework
This patch added bf60x to current blackfin kernel framework.
Signed-off-by: Bob Liu <lliubbo@gmail.com>
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 373a690..23bae9a 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -226,6 +226,12 @@
help
BF561 Processor Support.
+config BF609
+ bool "BF609"
+ select CLKDEV_LOOKUP
+ help
+ BF609 Processor Support.
+
endchoice
config SMP
@@ -251,27 +257,27 @@
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-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 @@
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 @@
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 @@
comment "Asynchronous Memory Configuration"
menu "EBIU_AMGCTL Global Control"
+ depends on !BF60x
config C_AMCKEN
bool "Enable CLKOUT"
default y
@@ -1127,6 +1141,7 @@
endmenu
menu "EBIU_AMBCTL Control"
+ depends on !BF60x
config BANK_0
hex "Bank 0 (AMBCTL0.L)"
default 0x7BB0
diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile
index 46f42b2..74fdf67 100644
--- a/arch/blackfin/Makefile
+++ b/arch/blackfin/Makefile
@@ -54,6 +54,7 @@
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_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
diff --git a/arch/blackfin/configs/BF609-EZKIT_defconfig b/arch/blackfin/configs/BF609-EZKIT_defconfig
new file mode 100644
index 0000000..07c9246
--- /dev/null
+++ b/arch/blackfin/configs/BF609-EZKIT_defconfig
@@ -0,0 +1,153 @@
+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
diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h
index 17bcbf6..a83e922 100644
--- a/arch/blackfin/include/asm/bfin-global.h
+++ b/arch/blackfin/include/asm/bfin-global.h
@@ -35,6 +35,11 @@
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);
diff --git a/arch/blackfin/include/asm/bfin_dma.h b/arch/blackfin/include/asm/bfin_dma.h
index d511207..6319f4e 100644
--- a/arch/blackfin/include/asm/bfin_dma.h
+++ b/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 @@
u32 __pad1;
__BFP(curr_y_count);
u32 __pad2;
+#endif
};
+#ifndef CONFIG_BF60x
/*
* bfin handshake mdma registers layout
*/
@@ -85,6 +158,7 @@
__BFP(ecount);
__BFP(bcount);
};
+#endif
#undef __BFP
diff --git a/arch/blackfin/include/asm/bfin_serial.h b/arch/blackfin/include/asm/bfin_serial.h
index 68bcc3d..80a5848 100644
--- a/arch/blackfin/include/asm/bfin_serial.h
+++ b/arch/blackfin/include/asm/bfin_serial.h
@@ -18,7 +18,7 @@
defined(CONFIG_BFIN_UART1_CTSRTS) || \
defined(CONFIG_BFIN_UART2_CTSRTS) || \
defined(CONFIG_BFIN_UART3_CTSRTS)
-# ifdef BFIN_UART_BF54X_STYLE
+# if defined(BFIN_UART_BF54X_STYLE) || defined(BFIN_UART_BF60X_STYLE)
# define CONFIG_SERIAL_BFIN_HARD_CTSRTS
# else
# define CONFIG_SERIAL_BFIN_CTSRTS
@@ -58,14 +58,67 @@
#endif
};
+#ifdef BFIN_UART_BF60X_STYLE
+
+/* UART_CTL Masks */
+#define UCEN 0x1 /* Enable UARTx Clocks */
+#define LOOP_ENA 0x2 /* Loopback Mode Enable */
+#define UMOD_MDB 0x10 /* Enable MDB Mode */
+#define UMOD_IRDA 0x20 /* Enable IrDA Mode */
+#define UMOD_MASK 0x30 /* Uart Mode Mask */
+#define WLS(x) (((x-5) & 0x03) << 8) /* Word Length Select */
+#define WLS_MASK 0x300 /* Word length Select Mask */
+#define STB 0x1000 /* Stop Bits */
+#define STBH 0x2000 /* Half Stop Bits */
+#define PEN 0x4000 /* Parity Enable */
+#define EPS 0x8000 /* Even Parity Select */
+#define STP 0x10000 /* Stick Parity */
+#define FPE 0x20000 /* Force Parity Error On Transmit */
+#define FFE 0x40000 /* Force Framing Error On Transmit */
+#define SB 0x80000 /* Set Break */
+#define LCR_MASK (STP | EPS | PEN | STB | WLS_MASK)
+#define FCPOL 0x400000 /* Flow Control Pin Polarity */
+#define RPOLC 0x800000 /* IrDA RX Polarity Change */
+#define TPOLC 0x1000000 /* IrDA TX Polarity Change */
+#define MRTS 0x2000000 /* Manual Request To Send */
+#define XOFF 0x4000000 /* Transmitter Off */
+#define ARTS 0x8000000 /* Automatic Request To Send */
+#define ACTS 0x10000000 /* Automatic Clear To Send */
+#define RFIT 0x20000000 /* Receive FIFO IRQ Threshold */
+#define RFRT 0x40000000 /* Receive FIFO RTS Threshold */
+
+/* UART_STAT Masks */
+#define DR 0x01 /* Data Ready */
+#define OE 0x02 /* Overrun Error */
+#define PE 0x04 /* Parity Error */
+#define FE 0x08 /* Framing Error */
+#define BI 0x10 /* Break Interrupt */
+#define THRE 0x20 /* THR Empty */
+#define TEMT 0x80 /* TSR and UART_THR Empty */
+#define TFI 0x100 /* Transmission Finished Indicator */
+
+#define ASTKY 0x200 /* Address Sticky */
+#define ADDR 0x400 /* Address bit status */
+#define RO 0x800 /* Reception Ongoing */
+#define SCTS 0x1000 /* Sticky CTS */
+#define CTS 0x10000 /* Clear To Send */
+#define RFCS 0x20000 /* Receive FIFO Count Status */
+
+/* UART_CLOCK Masks */
+#define EDBO 0x80000000 /* Enable Devide by One */
+
+#else /* BFIN_UART_BF60X_STYLE */
+
/* UART_LCR Masks */
#define WLS(x) (((x)-5) & 0x03) /* Word Length Select */
+#define WLS_MASK 0x03 /* Word length Select Mask */
#define STB 0x04 /* Stop Bits */
#define PEN 0x08 /* Parity Enable */
#define EPS 0x10 /* Even Parity Select */
#define STP 0x20 /* Stick Parity */
#define SB 0x40 /* Set Break */
#define DLAB 0x80 /* Divisor Latch Access */
+#define LCR_MASK (STP | EPS | PEN | STB | WLS_MASK)
/* UART_LSR Masks */
#define DR 0x01 /* Data Ready */
@@ -77,15 +130,6 @@
#define TEMT 0x40 /* TSR and UART_THR Empty */
#define TFI 0x80 /* Transmission Finished Indicator */
-/* UART_IER Masks */
-#define ERBFI 0x01 /* Enable Receive Buffer Full Interrupt */
-#define ETBEI 0x02 /* Enable Transmit Buffer Empty Interrupt */
-#define ELSI 0x04 /* Enable RX Status Interrupt */
-#define EDSSI 0x08 /* Enable Modem Status Interrupt */
-#define EDTPTI 0x10 /* Enable DMA Transmit PIRQ Interrupt */
-#define ETFI 0x20 /* Enable Transmission Finished Interrupt */
-#define ERFCI 0x40 /* Enable Receive FIFO Count Interrupt */
-
/* UART_MCR Masks */
#define XOFF 0x01 /* Transmitter Off */
#define MRTS 0x02 /* Manual Request To Send */
@@ -103,13 +147,36 @@
/* UART_GCTL Masks */
#define UCEN 0x01 /* Enable UARTx Clocks */
-#define IREN 0x02 /* Enable IrDA Mode */
+#define UMOD_IRDA 0x02 /* Enable IrDA Mode */
+#define UMOD_MASK 0x02 /* Uart Mode Mask */
#define TPOLC 0x04 /* IrDA TX Polarity Change */
#define RPOLC 0x08 /* IrDA RX Polarity Change */
#define FPE 0x10 /* Force Parity Error On Transmit */
#define FFE 0x20 /* Force Framing Error On Transmit */
-#ifdef BFIN_UART_BF54X_STYLE
+#endif /* BFIN_UART_BF60X_STYLE */
+
+/* UART_IER Masks */
+#define ERBFI 0x01 /* Enable Receive Buffer Full Interrupt */
+#define ETBEI 0x02 /* Enable Transmit Buffer Empty Interrupt */
+#define ELSI 0x04 /* Enable RX Status Interrupt */
+#define EDSSI 0x08 /* Enable Modem Status Interrupt */
+#define EDTPTI 0x10 /* Enable DMA Transmit PIRQ Interrupt */
+#define ETFI 0x20 /* Enable Transmission Finished Interrupt */
+#define ERFCI 0x40 /* Enable Receive FIFO Count Interrupt */
+
+#if defined(BFIN_UART_BF60X_STYLE)
+# define OFFSET_REDIV 0x00 /* Version ID Register */
+# define OFFSET_CTL 0x04 /* Control Register */
+# define OFFSET_STAT 0x08 /* Status Register */
+# define OFFSET_SCR 0x0C /* SCR Scratch Register */
+# define OFFSET_CLK 0x10 /* Clock Rate Register */
+# define OFFSET_IER 0x14 /* Interrupt Enable Register */
+# define OFFSET_IER_SET 0x18 /* Set Interrupt Enable Register */
+# define OFFSET_IER_CLEAR 0x1C /* Clear Interrupt Enable Register */
+# define OFFSET_RBR 0x20 /* Receive Buffer register */
+# define OFFSET_THR 0x24 /* Transmit Holding register */
+#elif defined(BFIN_UART_BF54X_STYLE)
# define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */
# define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */
# define OFFSET_GCTL 0x08 /* Global Control Register */
@@ -145,7 +212,23 @@
*/
#define __BFP(m) u16 m; u16 __pad_##m
struct bfin_uart_regs {
-#ifdef BFIN_UART_BF54X_STYLE
+#if defined(BFIN_UART_BF60X_STYLE)
+ u32 revid;
+ u32 ctl;
+ u32 stat;
+ u32 scr;
+ u32 clk;
+ u32 ier;
+ u32 ier_set;
+ u32 ier_clear;
+ u32 rbr;
+ u32 thr;
+ u32 taip;
+ u32 tsr;
+ u32 rsr;
+ u32 txdiv;
+ u32 rxdiv;
+#elif defined(BFIN_UART_BF54X_STYLE)
__BFP(dll);
__BFP(dlh);
__BFP(gctl);
@@ -182,13 +265,58 @@
};
#undef __BFP
+#define port_membase(uart) (((struct bfin_serial_port *)(uart))->port.membase)
+
+/*
#ifndef port_membase
# define port_membase(p) 0
#endif
+*/
+#ifdef BFIN_UART_BF60X_STYLE
+
+#define UART_GET_CHAR(p) bfin_read32(port_membase(p) + OFFSET_RBR)
+#define UART_GET_CLK(p) bfin_read32(port_membase(p) + OFFSET_CLK)
+#define UART_GET_CTL(p) bfin_read32(port_membase(p) + OFFSET_CTL)
+#define UART_GET_GCTL(p) UART_GET_CTL(p)
+#define UART_GET_LCR(p) UART_GET_CTL(p)
+#define UART_GET_MCR(p) UART_GET_CTL(p)
+#define UART_GET_STAT(p) bfin_read32(port_membase(p) + OFFSET_STAT)
+#define UART_GET_MSR(p) UART_GET_STAT(p)
+
+#define UART_PUT_CHAR(p, v) bfin_write32(port_membase(p) + OFFSET_THR, v)
+#define UART_PUT_CLK(p, v) bfin_write32(port_membase(p) + OFFSET_CLK, v)
+#define UART_PUT_CTL(p, v) bfin_write32(port_membase(p) + OFFSET_CTL, v)
+#define UART_PUT_GCTL(p, v) UART_PUT_CTL(p, v)
+#define UART_PUT_LCR(p, v) UART_PUT_CTL(p, v)
+#define UART_PUT_MCR(p, v) UART_PUT_CTL(p, v)
+#define UART_PUT_STAT(p, v) bfin_write32(port_membase(p) + OFFSET_STAT, v)
+
+#define UART_CLEAR_IER(p, v) bfin_write32(port_membase(p) + OFFSET_IER_CLEAR, v)
+#define UART_GET_IER(p) bfin_read32(port_membase(p) + OFFSET_IER)
+#define UART_SET_IER(p, v) bfin_write32(port_membase(p) + OFFSET_IER_SET, v)
+
+#define UART_CLEAR_DLAB(p) /* MMRs not muxed on BF60x */
+#define UART_SET_DLAB(p) /* MMRs not muxed on BF60x */
+
+#define UART_CLEAR_LSR(p) UART_PUT_STAT(p, -1)
+#define UART_GET_LSR(p) UART_GET_STAT(p)
+#define UART_PUT_LSR(p, v) UART_PUT_STAT(p, v)
+
+/* This handles hard CTS/RTS */
+#define BFIN_UART_CTSRTS_HARD
+#define UART_CLEAR_SCTS(p) UART_PUT_STAT(p, SCTS)
+#define UART_GET_CTS(x) (UART_GET_MSR(x) & CTS)
+#define UART_DISABLE_RTS(x) UART_PUT_MCR(x, UART_GET_MCR(x) & ~(ARTS | MRTS))
+#define UART_ENABLE_RTS(x) UART_PUT_MCR(x, UART_GET_MCR(x) | MRTS | ARTS)
+#define UART_ENABLE_INTS(x, v) UART_SET_IER(x, v)
+#define UART_DISABLE_INTS(x) UART_CLEAR_IER(x, 0xF)
+
+#else /* BFIN_UART_BF60X_STYLE */
#define UART_GET_CHAR(p) bfin_read16(port_membase(p) + OFFSET_RBR)
#define UART_GET_DLL(p) bfin_read16(port_membase(p) + OFFSET_DLL)
#define UART_GET_DLH(p) bfin_read16(port_membase(p) + OFFSET_DLH)
+#define UART_GET_CLK(p) ((UART_GET_DLH(p) << 8) | UART_GET_DLL(p))
#define UART_GET_GCTL(p) bfin_read16(port_membase(p) + OFFSET_GCTL)
#define UART_GET_LCR(p) bfin_read16(port_membase(p) + OFFSET_LCR)
#define UART_GET_MCR(p) bfin_read16(port_membase(p) + OFFSET_MCR)
@@ -197,6 +325,11 @@
#define UART_PUT_CHAR(p, v) bfin_write16(port_membase(p) + OFFSET_THR, v)
#define UART_PUT_DLL(p, v) bfin_write16(port_membase(p) + OFFSET_DLL, v)
#define UART_PUT_DLH(p, v) bfin_write16(port_membase(p) + OFFSET_DLH, v)
+#define UART_PUT_CLK(p, v) do \
+{\
+UART_PUT_DLL(p, v & 0xFF); \
+UART_PUT_DLH(p, (v >> 8) & 0xFF); } while (0);
+
#define UART_PUT_GCTL(p, v) bfin_write16(port_membase(p) + OFFSET_GCTL, v)
#define UART_PUT_LCR(p, v) bfin_write16(port_membase(p) + OFFSET_LCR, v)
#define UART_PUT_MCR(p, v) bfin_write16(port_membase(p) + OFFSET_MCR, v)
@@ -233,12 +366,17 @@
#define UART_CLEAR_DLAB(p) do { UART_PUT_LCR(p, UART_GET_LCR(p) & ~DLAB); SSYNC(); } while (0)
#define UART_SET_DLAB(p) do { UART_PUT_LCR(p, UART_GET_LCR(p) | DLAB); SSYNC(); } while (0)
+#define get_lsr_cache(uart) (((struct bfin_serial_port *)(uart))->lsr)
+#define put_lsr_cache(uart, v) (((struct bfin_serial_port *)(uart))->lsr = (v))
+
+/*
#ifndef put_lsr_cache
# define put_lsr_cache(p, v)
#endif
#ifndef get_lsr_cache
# define get_lsr_cache(p) 0
#endif
+*/
/* The hardware clears the LSR bits upon read, so we need to cache
* some of the more fun bits in software so they don't get lost
@@ -267,7 +405,9 @@
#define UART_ENABLE_INTS(x, v) UART_PUT_IER(x, v)
#define UART_DISABLE_INTS(x) UART_PUT_IER(x, 0)
-#endif
+#endif /* BFIN_UART_BF54X_STYLE */
+
+#endif /* BFIN_UART_BF60X_STYLE */
#ifndef BFIN_UART_TX_FIFO_SIZE
# define BFIN_UART_TX_FIFO_SIZE 2
diff --git a/arch/blackfin/include/asm/dma.h b/arch/blackfin/include/asm/dma.h
index dac0c97..40e9c2b 100644
--- a/arch/blackfin/include/asm/dma.h
+++ b/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 @@
unsigned short dummy9;
unsigned long reserved3;
+#endif
};
@@ -131,23 +196,23 @@
{
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 @@
dma_ch[channel].regs->curr_addr_ptr = addr;
}
-static inline unsigned short
-set_bfin_dma_config(char direction, char flow_mode,
- char intr_mode, char dma_mode, char width, char syncmode)
+#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)
{
- return (direction << 1) | (width << 2) | (dma_mode << 4) |
+ 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 mem_width, char syncmode)
+{
+#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 @@
{
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 @@
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 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);
diff --git a/arch/blackfin/include/asm/fixed_code.h b/arch/blackfin/include/asm/fixed_code.h
index 73fe53e..5395088 100644
--- a/arch/blackfin/include/asm/fixed_code.h
+++ b/arch/blackfin/include/asm/fixed_code.h
@@ -29,24 +29,28 @@
#endif
#endif
-#define FIXED_CODE_START 0x400
+#ifndef CONFIG_PHY_RAM_BASE_ADDRESS
+#define CONFIG_PHY_RAM_BASE_ADDRESS 0x0
+#endif
-#define SIGRETURN_STUB 0x400
+#define FIXED_CODE_START (CONFIG_PHY_RAM_BASE_ADDRESS + 0x400)
-#define ATOMIC_SEQS_START 0x410
+#define SIGRETURN_STUB (CONFIG_PHY_RAM_BASE_ADDRESS + 0x400)
-#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_SEQS_START (CONFIG_PHY_RAM_BASE_ADDRESS + 0x410)
-#define ATOMIC_SEQS_END 0x480
+#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 SAFE_USER_INSTRUCTION 0x480
+#define ATOMIC_SEQS_END (CONFIG_PHY_RAM_BASE_ADDRESS + 0x480)
-#define FIXED_CODE_END 0x490
+#define SAFE_USER_INSTRUCTION (CONFIG_PHY_RAM_BASE_ADDRESS + 0x480)
+
+#define FIXED_CODE_END (CONFIG_PHY_RAM_BASE_ADDRESS + 0x490)
#endif
diff --git a/arch/blackfin/include/asm/page.h b/arch/blackfin/include/asm/page.h
index 7202404..b93474d 100644
--- a/arch/blackfin/include/asm/page.h
+++ b/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>
diff --git a/arch/blackfin/kernel/bfin_dma.c b/arch/blackfin/kernel/bfin_dma.c
index 40c2ed6..b612324 100644
--- a/arch/blackfin/kernel/bfin_dma.c
+++ b/arch/blackfin/kernel/bfin_dma.c
@@ -45,9 +45,15 @@
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 @@
# 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 @@
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 @@
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 @@
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 @@
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 @@
/* 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 @@
__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 @@
*/
__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 @@
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 @@
}
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 @@
*/
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 @@
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 @@
}
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 @@
}
#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); \
} \
diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index 02796b8..c6e8009 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -58,7 +58,7 @@
(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 @@
(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 @@
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 @@
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 @@
}
#endif
-#ifndef CONFIG_BF54x
+#if !(defined(CONFIG_BF54x) || defined(CONFIG_BF60x))
/***********************************************************
*
* FUNCTIONS: Blackfin General Purpose Ports Access Functions
@@ -680,7 +681,7 @@
#endif
-#else /* CONFIG_BF54x */
+#else /* CONFIG_BF54x || CONFIG_BF60x */
#ifdef CONFIG_PM
int bfin_pm_standby_ctrl(unsigned ctrl)
@@ -726,7 +727,7 @@
}
EXPORT_SYMBOL(get_gpio_dir);
-#endif /* CONFIG_BF54x */
+#endif /* CONFIG_BF54x || CONFIG_BF60x */
/***********************************************************
*
@@ -783,7 +784,7 @@
* 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 @@
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 @@
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 @@
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 @@
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 @@
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;
diff --git a/arch/blackfin/kernel/debug-mmrs.c b/arch/blackfin/kernel/debug-mmrs.c
index 92f6648..01232a1 100644
--- a/arch/blackfin/kernel/debug-mmrs.c
+++ b/arch/blackfin/kernel/debug-mmrs.c
@@ -105,6 +105,7 @@
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 @@
__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 @@
#endif
}
#define UART(num) bfin_debug_mmrs_uart(parent, UART##num##_DLL, num)
-
+#endif /* CONFIG_BF60x */
/*
* The actual debugfs generation
*/
@@ -740,7 +743,7 @@
D32(WPDACNT0);
D32(WPDACNT1);
D32(WPSTAT);
-
+#ifndef CONFIG_BF60x
/* System MMRs */
#ifdef ATAPI_CONTROL
parent = debugfs_create_dir("atapi", top);
@@ -1873,7 +1876,7 @@
}
#endif /* BF54x */
-
+#endif /* CONFIG_BF60x */
debug_mmrs_dentry = top;
return 0;
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index c0f4fe2..2e3994b 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -95,7 +95,9 @@
idle();
rcu_idle_exit();
tick_nohz_idle_exit();
- schedule_preempt_disabled();
+ preempt_enable_no_resched();
+ schedule();
+ preempt_disable();
}
}
@@ -329,12 +331,16 @@
{
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
diff --git a/arch/blackfin/kernel/reboot.c b/arch/blackfin/kernel/reboot.c
index b0434f8..5272e6e 100644
--- a/arch/blackfin/kernel/reboot.c
+++ b/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 @@
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 @@
while (1)
/* Issue core reset */
asm("raise 1");
+#else
+ while (1)
+ bfin_write_RCU0_CTL(0x1);
+#endif
}
__attribute__((weak))
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 2ad747e..c113cfa 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/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 @@
{
#ifdef CONFIG_MTD_UCLINUX
unsigned long mtd_phys = 0;
- unsigned long n;
#endif
unsigned long max_mem;
@@ -594,9 +594,9 @@
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 @@
/* 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 @@
* 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 @@
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 @@
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 @@
/* 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 @@
}
/* 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 @@
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 @@
{
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 @@
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 @@
memory_setup();
+#ifndef CONFIG_BF60x
/* Initialize Async memory banks */
bfin_write_EBIU_AMBCTL0(AMBCTL0VAL);
bfin_write_EBIU_AMBCTL1(AMBCTL1VAL);
@@ -913,6 +948,7 @@
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 @@
~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 @@
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 @@
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 @@
/* 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 @@
}
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 @@
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 @@
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 @@
cached_sclk = get_vco() / ssel;
return cached_sclk;
+#endif
}
EXPORT_SYMBOL(get_sclk);
diff --git a/arch/blackfin/kernel/shadow_console.c b/arch/blackfin/kernel/shadow_console.c
index 557e9fe..aeb8343 100644
--- a/arch/blackfin/kernel/shadow_console.c
+++ b/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;
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index 4698a98..84b5e3d 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -1141,7 +1141,8 @@
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);
diff --git a/arch/blackfin/mach-common/head.S b/arch/blackfin/mach-common/head.S
index 8b4d988..31515f0 100644
--- a/arch/blackfin/mach-common/head.S
+++ b/arch/blackfin/mach-common/head.S
@@ -210,14 +210,12 @@
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;
diff --git a/arch/blackfin/mm/init.c b/arch/blackfin/mm/init.c
index 78daae0..9cb8553 100644
--- a/arch/blackfin/mm/init.c
+++ b/arch/blackfin/mm/init.c
@@ -48,7 +48,7 @@
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 @@
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 @@
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 @@
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 @@
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)));
}