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authorPaul Mundt <lethal@linux-sh.org>2011-01-12 14:47:21 +0900
committerPaul Mundt <lethal@linux-sh.org>2011-01-12 14:47:21 +0900
commit53582c4c508a95ece9f7c907edef9911c7eb79eb (patch)
treec099e9880f7bf7d60e87dfa6a19cb4e8780ec860 /arch/blackfin/include/asm
parent6ae1e19dbb43ff0d429a9f45087c513212686836 (diff)
parentda97da73d418533187a8390cf6541f48bed653e8 (diff)
downloadtalos-op-linux-53582c4c508a95ece9f7c907edef9911c7eb79eb.tar.gz
talos-op-linux-53582c4c508a95ece9f7c907edef9911c7eb79eb.zip
Merge branch 'rmobile/sdio' into rmobile-latest
Diffstat (limited to 'arch/blackfin/include/asm')
-rw-r--r--arch/blackfin/include/asm/bfin_dma.h91
-rw-r--r--arch/blackfin/include/asm/bfin_serial.h275
-rw-r--r--arch/blackfin/include/asm/bitops.h2
-rw-r--r--arch/blackfin/include/asm/cache.h2
-rw-r--r--arch/blackfin/include/asm/cacheflush.h3
-rw-r--r--arch/blackfin/include/asm/dma.h37
-rw-r--r--arch/blackfin/include/asm/dpmc.h2
-rw-r--r--arch/blackfin/include/asm/io.h268
-rw-r--r--arch/blackfin/include/asm/irqflags.h3
-rw-r--r--arch/blackfin/include/asm/processor.h4
-rw-r--r--arch/blackfin/include/asm/spinlock.h28
11 files changed, 433 insertions, 282 deletions
diff --git a/arch/blackfin/include/asm/bfin_dma.h b/arch/blackfin/include/asm/bfin_dma.h
new file mode 100644
index 000000000000..d51120744148
--- /dev/null
+++ b/arch/blackfin/include/asm/bfin_dma.h
@@ -0,0 +1,91 @@
+/*
+ * bfin_dma.h - Blackfin DMA defines/structures/etc...
+ *
+ * Copyright 2004-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __ASM_BFIN_DMA_H__
+#define __ASM_BFIN_DMA_H__
+
+#include <linux/types.h>
+
+/* DMA_CONFIG Masks */
+#define DMAEN 0x0001 /* DMA Channel Enable */
+#define WNR 0x0002 /* Channel Direction (W/R*) */
+#define WDSIZE_8 0x0000 /* Transfer Word Size = 8 */
+#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 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 */
+#define NDSIZE_3 0x0300 /* Next Descriptor Size = 3 */
+#define NDSIZE_4 0x0400 /* Next Descriptor Size = 4 */
+#define NDSIZE_5 0x0500 /* Next Descriptor Size = 5 */
+#define NDSIZE_6 0x0600 /* Next Descriptor Size = 6 */
+#define NDSIZE_7 0x0700 /* Next Descriptor Size = 7 */
+#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 DMAFLOW_ARRAY 0x4000 /* Descriptor Array Mode */
+#define DMAFLOW_SMALL 0x6000 /* Small Model Descriptor List Mode */
+#define DMAFLOW_LARGE 0x7000 /* Large Model Descriptor List 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 */
+
+/*
+ * All Blackfin system MMRs are padded to 32bits even if the register
+ * itself is only 16bits. So use a helper macro to streamline this.
+ */
+#define __BFP(m) u16 m; u16 __pad_##m
+
+/*
+ * bfin dma registers layout
+ */
+struct bfin_dma_regs {
+ u32 next_desc_ptr;
+ u32 start_addr;
+ __BFP(config);
+ u32 __pad0;
+ __BFP(x_count);
+ __BFP(x_modify);
+ __BFP(y_count);
+ __BFP(y_modify);
+ u32 curr_desc_ptr;
+ u32 curr_addr;
+ __BFP(irq_status);
+ __BFP(peripheral_map);
+ __BFP(curr_x_count);
+ u32 __pad1;
+ __BFP(curr_y_count);
+ u32 __pad2;
+};
+
+/*
+ * bfin handshake mdma registers layout
+ */
+struct bfin_hmdma_regs {
+ __BFP(control);
+ __BFP(ecinit);
+ __BFP(bcinit);
+ __BFP(ecurgent);
+ __BFP(ecoverflow);
+ __BFP(ecount);
+ __BFP(bcount);
+};
+
+#undef __BFP
+
+#endif
diff --git a/arch/blackfin/include/asm/bfin_serial.h b/arch/blackfin/include/asm/bfin_serial.h
new file mode 100644
index 000000000000..1ff9f1468c02
--- /dev/null
+++ b/arch/blackfin/include/asm/bfin_serial.h
@@ -0,0 +1,275 @@
+/*
+ * bfin_serial.h - Blackfin UART/Serial definitions
+ *
+ * Copyright 2006-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __BFIN_ASM_SERIAL_H__
+#define __BFIN_ASM_SERIAL_H__
+
+#include <linux/serial_core.h>
+#include <mach/anomaly.h>
+#include <mach/bfin_serial.h>
+
+#if defined(CONFIG_BFIN_UART0_CTSRTS) || \
+ defined(CONFIG_BFIN_UART1_CTSRTS) || \
+ defined(CONFIG_BFIN_UART2_CTSRTS) || \
+ defined(CONFIG_BFIN_UART3_CTSRTS)
+# ifdef BFIN_UART_BF54X_STYLE
+# define CONFIG_SERIAL_BFIN_HARD_CTSRTS
+# else
+# define CONFIG_SERIAL_BFIN_CTSRTS
+# endif
+#endif
+
+struct circ_buf;
+struct timer_list;
+struct work_struct;
+
+struct bfin_serial_port {
+ struct uart_port port;
+ unsigned int old_status;
+ int status_irq;
+#ifndef BFIN_UART_BF54X_STYLE
+ unsigned int lsr;
+#endif
+#ifdef CONFIG_SERIAL_BFIN_DMA
+ int tx_done;
+ int tx_count;
+ struct circ_buf rx_dma_buf;
+ struct timer_list rx_dma_timer;
+ int rx_dma_nrows;
+ unsigned int tx_dma_channel;
+ unsigned int rx_dma_channel;
+ struct work_struct tx_dma_workqueue;
+#elif ANOMALY_05000363
+ unsigned int anomaly_threshold;
+#endif
+#ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS
+ int scts;
+#endif
+#if defined(CONFIG_SERIAL_BFIN_CTSRTS) || \
+ defined(CONFIG_SERIAL_BFIN_HARD_CTSRTS)
+ int cts_pin;
+ int rts_pin;
+#endif
+};
+
+/* UART_LCR Masks */
+#define WLS(x) (((x)-5) & 0x03) /* Word Length Select */
+#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 */
+
+/* UART_LSR 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 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 */
+#define RFIT 0x04 /* Receive FIFO IRQ Threshold */
+#define RFRT 0x08 /* Receive FIFO RTS Threshold */
+#define LOOP_ENA 0x10 /* Loopback Mode Enable */
+#define FCPOL 0x20 /* Flow Control Pin Polarity */
+#define ARTS 0x40 /* Automatic Request To Send */
+#define ACTS 0x80 /* Automatic Clear To Send */
+
+/* UART_MSR Masks */
+#define SCTS 0x01 /* Sticky CTS */
+#define CTS 0x10 /* Clear To Send */
+#define RFCS 0x20 /* Receive FIFO Count Status */
+
+/* UART_GCTL Masks */
+#define UCEN 0x01 /* Enable UARTx Clocks */
+#define IREN 0x02 /* Enable IrDA Mode */
+#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
+# define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */
+# define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */
+# define OFFSET_GCTL 0x08 /* Global Control Register */
+# define OFFSET_LCR 0x0C /* Line Control Register */
+# define OFFSET_MCR 0x10 /* Modem Control Register */
+# define OFFSET_LSR 0x14 /* Line Status Register */
+# define OFFSET_MSR 0x18 /* Modem Status Register */
+# define OFFSET_SCR 0x1C /* SCR Scratch Register */
+# define OFFSET_IER_SET 0x20 /* Set Interrupt Enable Register */
+# define OFFSET_IER_CLEAR 0x24 /* Clear Interrupt Enable Register */
+# define OFFSET_THR 0x28 /* Transmit Holding register */
+# define OFFSET_RBR 0x2C /* Receive Buffer register */
+#else /* BF533 style */
+# define OFFSET_THR 0x00 /* Transmit Holding register */
+# define OFFSET_RBR 0x00 /* Receive Buffer register */
+# define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */
+# define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */
+# define OFFSET_IER 0x04 /* Interrupt Enable Register */
+# define OFFSET_IIR 0x08 /* Interrupt Identification Register */
+# define OFFSET_LCR 0x0C /* Line Control Register */
+# define OFFSET_MCR 0x10 /* Modem Control Register */
+# define OFFSET_LSR 0x14 /* Line Status Register */
+# define OFFSET_MSR 0x18 /* Modem Status Register */
+# define OFFSET_SCR 0x1C /* SCR Scratch Register */
+# define OFFSET_GCTL 0x24 /* Global Control Register */
+/* code should not need IIR, so force build error if they use it */
+# undef OFFSET_IIR
+#endif
+
+/*
+ * All Blackfin system MMRs are padded to 32bits even if the register
+ * itself is only 16bits. So use a helper macro to streamline this.
+ */
+#define __BFP(m) u16 m; u16 __pad_##m
+struct bfin_uart_regs {
+#ifdef BFIN_UART_BF54X_STYLE
+ __BFP(dll);
+ __BFP(dlh);
+ __BFP(gctl);
+ __BFP(lcr);
+ __BFP(mcr);
+ __BFP(lsr);
+ __BFP(msr);
+ __BFP(scr);
+ __BFP(ier_set);
+ __BFP(ier_clear);
+ __BFP(thr);
+ __BFP(rbr);
+#else
+ union {
+ u16 dll;
+ u16 thr;
+ const u16 rbr;
+ };
+ const u16 __pad0;
+ union {
+ u16 dlh;
+ u16 ier;
+ };
+ const u16 __pad1;
+ const __BFP(iir);
+ __BFP(lcr);
+ __BFP(mcr);
+ __BFP(lsr);
+ __BFP(msr);
+ __BFP(scr);
+ const u32 __pad2;
+ __BFP(gctl);
+#endif
+};
+#undef __BFP
+
+#ifndef port_membase
+# define port_membase(p) (((struct bfin_serial_port *)(p))->port.membase)
+#endif
+
+#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_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)
+#define UART_GET_MSR(p) bfin_read16(port_membase(p) + OFFSET_MSR)
+
+#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_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)
+
+#ifdef BFIN_UART_BF54X_STYLE
+
+#define UART_CLEAR_IER(p, v) bfin_write16(port_membase(p) + OFFSET_IER_CLEAR, v)
+#define UART_GET_IER(p) bfin_read16(port_membase(p) + OFFSET_IER_SET)
+#define UART_SET_IER(p, v) bfin_write16(port_membase(p) + OFFSET_IER_SET, v)
+
+#define UART_CLEAR_DLAB(p) /* MMRs not muxed on BF54x */
+#define UART_SET_DLAB(p) /* MMRs not muxed on BF54x */
+
+#define UART_CLEAR_LSR(p) bfin_write16(port_membase(p) + OFFSET_LSR, -1)
+#define UART_GET_LSR(p) bfin_read16(port_membase(p) + OFFSET_LSR)
+#define UART_PUT_LSR(p, v) bfin_write16(port_membase(p) + OFFSET_LSR, v)
+
+/* This handles hard CTS/RTS */
+#define BFIN_UART_CTSRTS_HARD
+#define UART_CLEAR_SCTS(p) bfin_write16((port_membase(p) + OFFSET_MSR), 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 /* BF533 style */
+
+#define UART_CLEAR_IER(p, v) UART_PUT_IER(p, UART_GET_IER(p) & ~(v))
+#define UART_GET_IER(p) bfin_read16(port_membase(p) + OFFSET_IER)
+#define UART_PUT_IER(p, v) bfin_write16(port_membase(p) + OFFSET_IER, v)
+#define UART_SET_IER(p, v) UART_PUT_IER(p, UART_GET_IER(p) | (v))
+
+#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)
+
+#ifndef put_lsr_cache
+# define put_lsr_cache(p, v) (((struct bfin_serial_port *)(p))->lsr = (v))
+#endif
+#ifndef get_lsr_cache
+# define get_lsr_cache(p) (((struct bfin_serial_port *)(p))->lsr)
+#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
+ * when checking the LSR in other code paths (TX).
+ */
+static inline void UART_CLEAR_LSR(void *p)
+{
+ put_lsr_cache(p, 0);
+ bfin_write16(port_membase(p) + OFFSET_LSR, -1);
+}
+static inline unsigned int UART_GET_LSR(void *p)
+{
+ unsigned int lsr = bfin_read16(port_membase(p) + OFFSET_LSR);
+ put_lsr_cache(p, get_lsr_cache(p) | (lsr & (BI|FE|PE|OE)));
+ return lsr | get_lsr_cache(p);
+}
+static inline void UART_PUT_LSR(void *p, uint16_t val)
+{
+ put_lsr_cache(p, get_lsr_cache(p) & ~val);
+}
+
+/* This handles soft CTS/RTS */
+#define UART_GET_CTS(x) gpio_get_value((x)->cts_pin)
+#define UART_DISABLE_RTS(x) gpio_set_value((x)->rts_pin, 1)
+#define UART_ENABLE_RTS(x) gpio_set_value((x)->rts_pin, 0)
+#define UART_ENABLE_INTS(x, v) UART_PUT_IER(x, v)
+#define UART_DISABLE_INTS(x) UART_PUT_IER(x, 0)
+
+#endif
+
+#ifndef BFIN_UART_TX_FIFO_SIZE
+# define BFIN_UART_TX_FIFO_SIZE 2
+#endif
+
+#endif /* __BFIN_ASM_SERIAL_H__ */
diff --git a/arch/blackfin/include/asm/bitops.h b/arch/blackfin/include/asm/bitops.h
index 3f7ef4d97791..29f4fd886174 100644
--- a/arch/blackfin/include/asm/bitops.h
+++ b/arch/blackfin/include/asm/bitops.h
@@ -108,7 +108,9 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
#define smp_mb__before_clear_bit() barrier()
#define smp_mb__after_clear_bit() barrier()
+#define test_bit __skip_test_bit
#include <asm-generic/bitops/non-atomic.h>
+#undef test_bit
#endif /* CONFIG_SMP */
diff --git a/arch/blackfin/include/asm/cache.h b/arch/blackfin/include/asm/cache.h
index bd0641a267f1..568885a2c286 100644
--- a/arch/blackfin/include/asm/cache.h
+++ b/arch/blackfin/include/asm/cache.h
@@ -7,6 +7,8 @@
#ifndef __ARCH_BLACKFIN_CACHE_H
#define __ARCH_BLACKFIN_CACHE_H
+#include <linux/linkage.h> /* for asmlinkage */
+
/*
* Bytes per L1 cache line
* Blackfin loads 32 bytes for cache
diff --git a/arch/blackfin/include/asm/cacheflush.h b/arch/blackfin/include/asm/cacheflush.h
index 2666ff8ea952..77135b62818e 100644
--- a/arch/blackfin/include/asm/cacheflush.h
+++ b/arch/blackfin/include/asm/cacheflush.h
@@ -11,6 +11,9 @@
#include <asm/blackfin.h> /* for SSYNC() */
#include <asm/sections.h> /* for _ramend */
+#ifdef CONFIG_SMP
+#include <asm/smp.h>
+#endif
extern void blackfin_icache_flush_range(unsigned long start_address, unsigned long end_address);
extern void blackfin_dcache_flush_range(unsigned long start_address, unsigned long end_address);
diff --git a/arch/blackfin/include/asm/dma.h b/arch/blackfin/include/asm/dma.h
index eedf3ca65ba2..d9dbc1a53534 100644
--- a/arch/blackfin/include/asm/dma.h
+++ b/arch/blackfin/include/asm/dma.h
@@ -14,40 +14,7 @@
#include <asm/blackfin.h>
#include <asm/page.h>
#include <asm-generic/dma.h>
-
-/* DMA_CONFIG Masks */
-#define DMAEN 0x0001 /* DMA Channel Enable */
-#define WNR 0x0002 /* Channel Direction (W/R*) */
-#define WDSIZE_8 0x0000 /* Transfer Word Size = 8 */
-#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 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 */
-#define NDSIZE_3 0x0300 /* Next Descriptor Size = 3 */
-#define NDSIZE_4 0x0400 /* Next Descriptor Size = 4 */
-#define NDSIZE_5 0x0500 /* Next Descriptor Size = 5 */
-#define NDSIZE_6 0x0600 /* Next Descriptor Size = 6 */
-#define NDSIZE_7 0x0700 /* Next Descriptor Size = 7 */
-#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 DMAFLOW_ARRAY 0x4000 /* Descriptor Array Mode */
-#define DMAFLOW_SMALL 0x6000 /* Small Model Descriptor List Mode */
-#define DMAFLOW_LARGE 0x7000 /* Large Model Descriptor List 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 */
+#include <asm/bfin_dma.h>
/*-------------------------
* config reg bits value
@@ -149,7 +116,7 @@ void blackfin_dma_resume(void);
* DMA API's
*******************************************************************************/
extern struct dma_channel dma_ch[MAX_DMA_CHANNELS];
-extern struct dma_register *dma_io_base_addr[MAX_DMA_CHANNELS];
+extern struct dma_register * const dma_io_base_addr[MAX_DMA_CHANNELS];
extern int channel2irq(unsigned int channel);
static inline void set_dma_start_addr(unsigned int channel, unsigned long addr)
diff --git a/arch/blackfin/include/asm/dpmc.h b/arch/blackfin/include/asm/dpmc.h
index efcc3aebeae4..3047120cfcff 100644
--- a/arch/blackfin/include/asm/dpmc.h
+++ b/arch/blackfin/include/asm/dpmc.h
@@ -9,6 +9,8 @@
#ifndef _BLACKFIN_DPMC_H_
#define _BLACKFIN_DPMC_H_
+#include <mach/pll.h>
+
/* PLL_CTL Masks */
#define DF 0x0001 /* 0: PLL = CLKIN, 1: PLL = CLKIN/2 */
#define PLL_OFF 0x0002 /* PLL Not Powered */
diff --git a/arch/blackfin/include/asm/io.h b/arch/blackfin/include/asm/io.h
index 234fbac17ec1..dccae26805b0 100644
--- a/arch/blackfin/include/asm/io.h
+++ b/arch/blackfin/include/asm/io.h
@@ -1,5 +1,5 @@
/*
- * Copyright 2004-2009 Analog Devices Inc.
+ * Copyright 2004-2010 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
@@ -7,148 +7,48 @@
#ifndef _BFIN_IO_H
#define _BFIN_IO_H
-#ifdef __KERNEL__
-
-#ifndef __ASSEMBLY__
-#include <linux/types.h>
-#endif
#include <linux/compiler.h>
-
-/*
- * These are for ISA/PCI shared memory _only_ and should never be used
- * on any other type of memory, including Zorro memory. They are meant to
- * access the bus in the bus byte order which is little-endian!.
- *
- * readX/writeX() are used to access memory mapped devices. On some
- * architectures the memory mapped IO stuff needs to be accessed
- * differently. On the bfin architecture, we just read/write the
- * memory location directly.
- */
-#ifndef __ASSEMBLY__
-
-static inline unsigned char readb(const volatile void __iomem *addr)
-{
- unsigned int val;
- int tmp;
-
- __asm__ __volatile__ (
- "cli %1;"
- "NOP; NOP; SSYNC;"
- "%0 = b [%2] (z);"
- "sti %1;"
- : "=d"(val), "=d"(tmp)
- : "a"(addr)
- );
-
- return (unsigned char) val;
-}
-
-static inline unsigned short readw(const volatile void __iomem *addr)
-{
- unsigned int val;
- int tmp;
-
- __asm__ __volatile__ (
- "cli %1;"
- "NOP; NOP; SSYNC;"
- "%0 = w [%2] (z);"
- "sti %1;"
- : "=d"(val), "=d"(tmp)
- : "a"(addr)
- );
-
- return (unsigned short) val;
-}
-
-static inline unsigned int readl(const volatile void __iomem *addr)
-{
- unsigned int val;
- int tmp;
-
- __asm__ __volatile__ (
- "cli %1;"
- "NOP; NOP; SSYNC;"
- "%0 = [%2];"
- "sti %1;"
- : "=d"(val), "=d"(tmp)
- : "a"(addr)
- );
-
- return val;
+#include <linux/types.h>
+#include <asm/byteorder.h>
+
+#define DECLARE_BFIN_RAW_READX(size, type, asm, asm_sign) \
+static inline type __raw_read##size(const volatile void __iomem *addr) \
+{ \
+ unsigned int val; \
+ int tmp; \
+ __asm__ __volatile__ ( \
+ "cli %1;" \
+ "NOP; NOP; SSYNC;" \
+ "%0 = "#asm" [%2] "#asm_sign";" \
+ "sti %1;" \
+ : "=d"(val), "=d"(tmp) \
+ : "a"(addr) \
+ ); \
+ return (type) val; \
}
-
-#endif /* __ASSEMBLY__ */
-
-#define writeb(b, addr) (void)((*(volatile unsigned char *) (addr)) = (b))
-#define writew(b, addr) (void)((*(volatile unsigned short *) (addr)) = (b))
-#define writel(b, addr) (void)((*(volatile unsigned int *) (addr)) = (b))
-
-#define __raw_readb readb
-#define __raw_readw readw
-#define __raw_readl readl
-#define __raw_writeb writeb
-#define __raw_writew writew
-#define __raw_writel writel
-#define memset_io(a, b, c) memset((void *)(a), (b), (c))
-#define memcpy_fromio(a, b, c) memcpy((a), (void *)(b), (c))
-#define memcpy_toio(a, b, c) memcpy((void *)(a), (b), (c))
-
-/* Convert "I/O port addresses" to actual addresses. i.e. ugly casts. */
-#define __io(port) ((void *)(unsigned long)(port))
-
-#define inb(port) readb(__io(port))
-#define inw(port) readw(__io(port))
-#define inl(port) readl(__io(port))
-#define outb(x, port) writeb(x, __io(port))
-#define outw(x, port) writew(x, __io(port))
-#define outl(x, port) writel(x, __io(port))
-
-#define inb_p(port) inb(__io(port))
-#define inw_p(port) inw(__io(port))
-#define inl_p(port) inl(__io(port))
-#define outb_p(x, port) outb(x, __io(port))
-#define outw_p(x, port) outw(x, __io(port))
-#define outl_p(x, port) outl(x, __io(port))
-
-#define ioread8_rep(a, d, c) readsb(a, d, c)
-#define ioread16_rep(a, d, c) readsw(a, d, c)
-#define ioread32_rep(a, d, c) readsl(a, d, c)
-#define iowrite8_rep(a, s, c) writesb(a, s, c)
-#define iowrite16_rep(a, s, c) writesw(a, s, c)
-#define iowrite32_rep(a, s, c) writesl(a, s, c)
-
-#define ioread8(x) readb(x)
-#define ioread16(x) readw(x)
-#define ioread32(x) readl(x)
-#define iowrite8(val, x) writeb(val, x)
-#define iowrite16(val, x) writew(val, x)
-#define iowrite32(val, x) writel(val, x)
-
-/**
- * I/O write barrier
- *
- * Ensure ordering of I/O space writes. This will make sure that writes
- * following the barrier will arrive after all previous writes.
- */
-#define mmiowb() do { SSYNC(); wmb(); } while (0)
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-/* Values for nocacheflag and cmode */
-#define IOMAP_NOCACHE_SER 1
-
-#ifndef __ASSEMBLY__
+DECLARE_BFIN_RAW_READX(b, u8, b, (z))
+#define __raw_readb __raw_readb
+DECLARE_BFIN_RAW_READX(w, u16, w, (z))
+#define __raw_readw __raw_readw
+DECLARE_BFIN_RAW_READX(l, u32, , )
+#define __raw_readl __raw_readl
extern void outsb(unsigned long port, const void *addr, unsigned long count);
extern void outsw(unsigned long port, const void *addr, unsigned long count);
extern void outsw_8(unsigned long port, const void *addr, unsigned long count);
extern void outsl(unsigned long port, const void *addr, unsigned long count);
+#define outsb outsb
+#define outsw outsw
+#define outsl outsl
extern void insb(unsigned long port, void *addr, unsigned long count);
extern void insw(unsigned long port, void *addr, unsigned long count);
extern void insw_8(unsigned long port, void *addr, unsigned long count);
extern void insl(unsigned long port, void *addr, unsigned long count);
extern void insl_16(unsigned long port, void *addr, unsigned long count);
+#define insb insb
+#define insw insw
+#define insl insl
extern void dma_outsb(unsigned long port, const void *addr, unsigned short count);
extern void dma_outsw(unsigned long port, const void *addr, unsigned short count);
@@ -158,108 +58,14 @@ extern void dma_insb(unsigned long port, void *addr, unsigned short count);
extern void dma_insw(unsigned long port, void *addr, unsigned short count);
extern void dma_insl(unsigned long port, void *addr, unsigned short count);
-static inline void readsl(const void __iomem *addr, void *buf, int len)
-{
- insl((unsigned long)addr, buf, len);
-}
-
-static inline void readsw(const void __iomem *addr, void *buf, int len)
-{
- insw((unsigned long)addr, buf, len);
-}
-
-static inline void readsb(const void __iomem *addr, void *buf, int len)
-{
- insb((unsigned long)addr, buf, len);
-}
-
-static inline void writesl(const void __iomem *addr, const void *buf, int len)
-{
- outsl((unsigned long)addr, buf, len);
-}
-
-static inline void writesw(const void __iomem *addr, const void *buf, int len)
-{
- outsw((unsigned long)addr, buf, len);
-}
-
-static inline void writesb(const void __iomem *addr, const void *buf, int len)
-{
- outsb((unsigned long)addr, buf, len);
-}
-
-/*
- * Map some physical address range into the kernel address space.
- */
-static inline void __iomem *__ioremap(unsigned long physaddr, unsigned long size,
- int cacheflag)
-{
- return (void __iomem *)physaddr;
-}
-
-/*
- * Unmap a ioremap()ed region again
- */
-static inline void iounmap(void *addr)
-{
-}
-
-/*
- * __iounmap unmaps nearly everything, so be careful
- * it doesn't free currently pointer/page tables anymore but it
- * wans't used anyway and might be added later.
- */
-static inline void __iounmap(void *addr, unsigned long size)
-{
-}
-
-/*
- * Set new cache mode for some kernel address space.
- * The caller must push data for that range itself, if such data may already
- * be in the cache.
+/**
+ * I/O write barrier
+ *
+ * Ensure ordering of I/O space writes. This will make sure that writes
+ * following the barrier will arrive after all previous writes.
*/
-static inline void kernel_set_cachemode(void *addr, unsigned long size,
- int cmode)
-{
-}
-
-static inline void __iomem *ioremap(unsigned long physaddr, unsigned long size)
-{
- return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
-}
-static inline void __iomem *ioremap_nocache(unsigned long physaddr,
- unsigned long size)
-{
- return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
-}
+#define mmiowb() do { SSYNC(); wmb(); } while (0)
-extern void blkfin_inv_cache_all(void);
+#include <asm-generic/io.h>
#endif
-
-#define ioport_map(port, nr) ((void __iomem*)(port))
-#define ioport_unmap(addr)
-
-/* Pages to physical address... */
-#define page_to_bus(page) ((page - mem_map) << PAGE_SHIFT)
-
-#define phys_to_virt(vaddr) ((void *) (vaddr))
-#define virt_to_phys(vaddr) ((unsigned long) (vaddr))
-
-#define virt_to_bus virt_to_phys
-#define bus_to_virt phys_to_virt
-
-/*
- * Convert a physical pointer to a virtual kernel pointer for /dev/mem
- * access
- */
-#define xlate_dev_mem_ptr(p) __va(p)
-
-/*
- * Convert a virtual cached pointer to an uncached pointer
- */
-#define xlate_dev_kmem_ptr(p) p
-
-#endif /* __KERNEL__ */
-
-#endif /* _BFIN_IO_H */
diff --git a/arch/blackfin/include/asm/irqflags.h b/arch/blackfin/include/asm/irqflags.h
index 41c4d70544ef..3365cb97f539 100644
--- a/arch/blackfin/include/asm/irqflags.h
+++ b/arch/blackfin/include/asm/irqflags.h
@@ -13,9 +13,6 @@
#ifdef CONFIG_SMP
# include <asm/pda.h>
# include <asm/processor.h>
-/* Forward decl needed due to cdef inter dependencies */
-static inline uint32_t __pure bfin_dspid(void);
-# define blackfin_core_id() (bfin_dspid() & 0xff)
# define bfin_irq_flags cpu_pda[blackfin_core_id()].imask
#else
extern unsigned long bfin_irq_flags;
diff --git a/arch/blackfin/include/asm/processor.h b/arch/blackfin/include/asm/processor.h
index aea880274de7..8af7772e84cc 100644
--- a/arch/blackfin/include/asm/processor.h
+++ b/arch/blackfin/include/asm/processor.h
@@ -14,7 +14,7 @@
#define current_text_addr() ({ __label__ _l; _l: &&_l;})
#include <asm/ptrace.h>
-#include <asm/blackfin.h>
+#include <mach/blackfin.h>
static inline unsigned long rdusp(void)
{
@@ -134,6 +134,8 @@ static inline uint32_t __pure bfin_dspid(void)
return bfin_read_DSPID();
}
+#define blackfin_core_id() (bfin_dspid() & 0xff)
+
static inline uint32_t __pure bfin_compiled_revid(void)
{
#if defined(CONFIG_BF_REV_0_0)
diff --git a/arch/blackfin/include/asm/spinlock.h b/arch/blackfin/include/asm/spinlock.h
index 1942ccfedbe0..1f286e71c21f 100644
--- a/arch/blackfin/include/asm/spinlock.h
+++ b/arch/blackfin/include/asm/spinlock.h
@@ -17,12 +17,12 @@ asmlinkage int __raw_spin_is_locked_asm(volatile int *ptr);
asmlinkage void __raw_spin_lock_asm(volatile int *ptr);
asmlinkage int __raw_spin_trylock_asm(volatile int *ptr);
asmlinkage void __raw_spin_unlock_asm(volatile int *ptr);
-asmlinkage void arch_read_lock_asm(volatile int *ptr);
-asmlinkage int arch_read_trylock_asm(volatile int *ptr);
-asmlinkage void arch_read_unlock_asm(volatile int *ptr);
-asmlinkage void arch_write_lock_asm(volatile int *ptr);
-asmlinkage int arch_write_trylock_asm(volatile int *ptr);
-asmlinkage void arch_write_unlock_asm(volatile int *ptr);
+asmlinkage void __raw_read_lock_asm(volatile int *ptr);
+asmlinkage int __raw_read_trylock_asm(volatile int *ptr);
+asmlinkage void __raw_read_unlock_asm(volatile int *ptr);
+asmlinkage void __raw_write_lock_asm(volatile int *ptr);
+asmlinkage int __raw_write_trylock_asm(volatile int *ptr);
+asmlinkage void __raw_write_unlock_asm(volatile int *ptr);
static inline int arch_spin_is_locked(arch_spinlock_t *lock)
{
@@ -64,32 +64,36 @@ static inline int arch_write_can_lock(arch_rwlock_t *rw)
static inline void arch_read_lock(arch_rwlock_t *rw)
{
- arch_read_lock_asm(&rw->lock);
+ __raw_read_lock_asm(&rw->lock);
}
+#define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
+
static inline int arch_read_trylock(arch_rwlock_t *rw)
{
- return arch_read_trylock_asm(&rw->lock);
+ return __raw_read_trylock_asm(&rw->lock);
}
static inline void arch_read_unlock(arch_rwlock_t *rw)
{
- arch_read_unlock_asm(&rw->lock);
+ __raw_read_unlock_asm(&rw->lock);
}
static inline void arch_write_lock(arch_rwlock_t *rw)
{
- arch_write_lock_asm(&rw->lock);
+ __raw_write_lock_asm(&rw->lock);
}
+#define arch_write_lock_flags(lock, flags) arch_write_lock(lock)
+
static inline int arch_write_trylock(arch_rwlock_t *rw)
{
- return arch_write_trylock_asm(&rw->lock);
+ return __raw_write_trylock_asm(&rw->lock);
}
static inline void arch_write_unlock(arch_rwlock_t *rw)
{
- arch_write_unlock_asm(&rw->lock);
+ __raw_write_unlock_asm(&rw->lock);
}
#define arch_spin_relax(lock) cpu_relax()
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