diff options
Diffstat (limited to 'include/asm-blackfin/mach-bf537')
-rw-r--r-- | include/asm-blackfin/mach-bf537/anomaly.h | 17 | ||||
-rw-r--r-- | include/asm-blackfin/mach-bf537/bfin_serial_5xx.h | 48 | ||||
-rw-r--r-- | include/asm-blackfin/mach-bf537/bfin_sir.h | 133 | ||||
-rw-r--r-- | include/asm-blackfin/mach-bf537/blackfin.h | 39 | ||||
-rw-r--r-- | include/asm-blackfin/mach-bf537/cdefBF534.h | 65 | ||||
-rw-r--r-- | include/asm-blackfin/mach-bf537/dma.h | 3 |
6 files changed, 235 insertions, 70 deletions
diff --git a/include/asm-blackfin/mach-bf537/anomaly.h b/include/asm-blackfin/mach-bf537/anomaly.h index 746a794b311..a6b08facb24 100644 --- a/include/asm-blackfin/mach-bf537/anomaly.h +++ b/include/asm-blackfin/mach-bf537/anomaly.h @@ -7,7 +7,7 @@ */ /* This file shoule be up to date with: - * - Revision A, 09/04/2007; ADSP-BF534/ADSP-BF536/ADSP-BF537 Blackfin Processor Anomaly List + * - Revision C, 02/08/2008; ADSP-BF534/ADSP-BF536/ADSP-BF537 Blackfin Processor Anomaly List */ #ifndef _MACH_ANOMALY_H_ @@ -132,10 +132,24 @@ #define ANOMALY_05000322 (1) /* Ethernet MAC MDIO Reads Do Not Meet IEEE Specification */ #define ANOMALY_05000341 (__SILICON_REVISION__ >= 3) +/* New Feature: UART Remains Enabled after UART Boot (Not Available on Older Silicon) */ +#define ANOMALY_05000350 (__SILICON_REVISION__ < 3) +/* Regulator Programming Blocked when Hibernate Wakeup Source Remains Active */ +#define ANOMALY_05000355 (1) /* Serial Port (SPORT) Multichannel Transmit Failure when Channel 0 Is Disabled */ #define ANOMALY_05000357 (1) /* DMAs that Go Urgent during Tight Core Writes to External Memory Are Blocked */ #define ANOMALY_05000359 (1) +/* PPI Underflow Error Goes Undetected in ITU-R 656 Mode */ +#define ANOMALY_05000366 (1) +/* Possible RETS Register Corruption when Subroutine Is under 5 Cycles in Duration */ +#define ANOMALY_05000371 (1) +/* SSYNC Stalls Processor when Executed from Non-Cacheable Memory */ +#define ANOMALY_05000402 (__SILICON_REVISION__ >= 3) +/* Level-Sensitive External GPIO Wakeups May Cause Indefinite Stall */ +#define ANOMALY_05000403 (1) + + /* Anomalies that don't exist on this proc */ #define ANOMALY_05000125 (0) @@ -146,5 +160,6 @@ #define ANOMALY_05000266 (0) #define ANOMALY_05000311 (0) #define ANOMALY_05000323 (0) +#define ANOMALY_05000363 (0) #endif diff --git a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h index 8fc672d3105..fd100a415b9 100644 --- a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h +++ b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h @@ -1,22 +1,38 @@ +/* + * file: include/asm-blackfin/mach-bf537/bfin_serial_5xx.h + * based on: + * author: + * + * created: + * description: + * blackfin serial driver header files + * rev: + * + * modified: + * + * + * bugs: enter bugs at http://blackfin.uclinux.org/ + * + * this program is free software; you can redistribute it and/or modify + * it under the terms of the gnu general public license as published by + * the free software foundation; either version 2, or (at your option) + * any later version. + * + * this program is distributed in the hope that it will be useful, + * but without any warranty; without even the implied warranty of + * merchantability or fitness for a particular purpose. see the + * gnu general public license for more details. + * + * you should have received a copy of the gnu general public license + * along with this program; see the file copying. + * if not, write to the free software foundation, + * 59 temple place - suite 330, boston, ma 02111-1307, usa. + */ + #include <linux/serial.h> #include <asm/dma.h> #include <asm/portmux.h> -#define NR_PORTS 2 - -#define OFFSET_THR 0x00 /* Transmit Holding register */ -#define OFFSET_RBR 0x00 /* Receive Buffer register */ -#define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */ -#define OFFSET_IER 0x04 /* Interrupt Enable Register */ -#define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */ -#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 */ - #define UART_GET_CHAR(uart) bfin_read16(((uart)->port.membase + OFFSET_RBR)) #define UART_GET_DLL(uart) bfin_read16(((uart)->port.membase + OFFSET_DLL)) #define UART_GET_IER(uart) bfin_read16(((uart)->port.membase + OFFSET_IER)) @@ -92,7 +108,7 @@ static inline void UART_CLEAR_LSR(struct bfin_serial_port *uart) bfin_write16(uart->port.membase + OFFSET_LSR, -1); } -struct bfin_serial_port bfin_serial_ports[NR_PORTS]; +struct bfin_serial_port bfin_serial_ports[BFIN_UART_NR_PORTS]; struct bfin_serial_res { unsigned long uart_base_addr; int uart_irq; diff --git a/include/asm-blackfin/mach-bf537/bfin_sir.h b/include/asm-blackfin/mach-bf537/bfin_sir.h new file mode 100644 index 00000000000..0612d0c9501 --- /dev/null +++ b/include/asm-blackfin/mach-bf537/bfin_sir.h @@ -0,0 +1,133 @@ +/* + * Blackfin Infra-red Driver + * + * Copyright 2006-2008 Analog Devices Inc. + * + * Enter bugs at http://blackfin.uclinux.org/ + * + * Licensed under the GPL-2 or later. + * + */ + +#include <linux/serial.h> +#include <asm/dma.h> +#include <asm/portmux.h> + +#define SIR_UART_GET_CHAR(port) bfin_read16((port)->membase + OFFSET_RBR) +#define SIR_UART_GET_DLL(port) bfin_read16((port)->membase + OFFSET_DLL) +#define SIR_UART_GET_IER(port) bfin_read16((port)->membase + OFFSET_IER) +#define SIR_UART_GET_DLH(port) bfin_read16((port)->membase + OFFSET_DLH) +#define SIR_UART_GET_IIR(port) bfin_read16((port)->membase + OFFSET_IIR) +#define SIR_UART_GET_LCR(port) bfin_read16((port)->membase + OFFSET_LCR) +#define SIR_UART_GET_GCTL(port) bfin_read16((port)->membase + OFFSET_GCTL) + +#define SIR_UART_PUT_CHAR(port, v) bfin_write16(((port)->membase + OFFSET_THR), v) +#define SIR_UART_PUT_DLL(port, v) bfin_write16(((port)->membase + OFFSET_DLL), v) +#define SIR_UART_PUT_IER(port, v) bfin_write16(((port)->membase + OFFSET_IER), v) +#define SIR_UART_PUT_DLH(port, v) bfin_write16(((port)->membase + OFFSET_DLH), v) +#define SIR_UART_PUT_LCR(port, v) bfin_write16(((port)->membase + OFFSET_LCR), v) +#define SIR_UART_PUT_GCTL(port, v) bfin_write16(((port)->membase + OFFSET_GCTL), v) + +#ifdef CONFIG_SIR_BFIN_DMA +struct dma_rx_buf { + char *buf; + int head; + int tail; + }; +#endif /* CONFIG_SIR_BFIN_DMA */ + +struct bfin_sir_port { + unsigned char __iomem *membase; + unsigned int irq; + unsigned int lsr; + unsigned long clk; + struct net_device *dev; +#ifdef CONFIG_SIR_BFIN_DMA + int tx_done; + struct dma_rx_buf rx_dma_buf; + struct timer_list rx_dma_timer; + int rx_dma_nrows; +#endif /* CONFIG_SIR_BFIN_DMA */ + unsigned int tx_dma_channel; + unsigned int rx_dma_channel; +}; + +struct bfin_sir_port sir_ports[BFIN_UART_NR_PORTS]; + +struct bfin_sir_port_res { + unsigned long base_addr; + int irq; + unsigned int rx_dma_channel; + unsigned int tx_dma_channel; +}; + +struct bfin_sir_port_res bfin_sir_port_resource[] = { +#ifdef CONFIG_BFIN_SIR0 + { + 0xFFC00400, + IRQ_UART0_RX, + CH_UART0_RX, + CH_UART0_TX, + }, +#endif +#ifdef CONFIG_BFIN_SIR1 + { + 0xFFC02000, + IRQ_UART1_RX, + CH_UART1_RX, + CH_UART1_TX, + }, +#endif +}; + +int nr_sirs = ARRAY_SIZE(bfin_sir_port_resource); + +struct bfin_sir_self { + struct bfin_sir_port *sir_port; + spinlock_t lock; + unsigned int open; + int speed; + int newspeed; + + struct sk_buff *txskb; + struct sk_buff *rxskb; + struct net_device_stats stats; + struct device *dev; + struct irlap_cb *irlap; + struct qos_info qos; + + iobuff_t tx_buff; + iobuff_t rx_buff; + + struct work_struct work; + int mtt; +}; + +static inline unsigned int SIR_UART_GET_LSR(struct bfin_sir_port *port) +{ + unsigned int lsr = bfin_read16(port->membase + OFFSET_LSR); + port->lsr |= (lsr & (BI|FE|PE|OE)); + return lsr | port->lsr; +} + +static inline void SIR_UART_CLEAR_LSR(struct bfin_sir_port *port) +{ + port->lsr = 0; + bfin_read16(port->membase + OFFSET_LSR); +} + +#define DRIVER_NAME "bfin_sir" + +static void bfin_sir_hw_init(void) +{ +#ifdef CONFIG_BFIN_SIR0 + peripheral_request(P_UART0_TX, DRIVER_NAME); + peripheral_request(P_UART0_RX, DRIVER_NAME); +#endif + +#ifdef CONFIG_BFIN_SIR1 + peripheral_request(P_UART1_TX, DRIVER_NAME); + peripheral_request(P_UART1_RX, DRIVER_NAME); +#endif + SSYNC(); +} diff --git a/include/asm-blackfin/mach-bf537/blackfin.h b/include/asm-blackfin/mach-bf537/blackfin.h index 53fcfa3408d..cffc786b2a2 100644 --- a/include/asm-blackfin/mach-bf537/blackfin.h +++ b/include/asm-blackfin/mach-bf537/blackfin.h @@ -82,8 +82,6 @@ #define STATUS_P1 0x02 #define STATUS_P0 0x01 -/* UART 0*/ - /* DMA Channnel */ #define bfin_read_CH_UART_RX() bfin_read_CH_UART0_RX() #define bfin_write_CH_UART_RX(val) bfin_write_CH_UART0_RX(val) @@ -106,37 +104,52 @@ /* MMR Registers*/ #define bfin_read_UART_THR() bfin_read_UART0_THR() #define bfin_write_UART_THR(val) bfin_write_UART0_THR(val) -#define UART_THR UART0_THR +#define BFIN_UART_THR UART0_THR #define bfin_read_UART_RBR() bfin_read_UART0_RBR() #define bfin_write_UART_RBR(val) bfin_write_UART0_RBR(val) -#define UART_RBR UART0_RBR +#define BFIN_UART_RBR UART0_RBR #define bfin_read_UART_DLL() bfin_read_UART0_DLL() #define bfin_write_UART_DLL(val) bfin_write_UART0_DLL(val) -#define UART_DLL UART0_DLL +#define BFIN_UART_DLL UART0_DLL #define bfin_read_UART_IER() bfin_read_UART0_IER() #define bfin_write_UART_IER(val) bfin_write_UART0_IER(val) -#define UART_IER UART0_IER +#define BFIN_UART_IER UART0_IER #define bfin_read_UART_DLH() bfin_read_UART0_DLH() #define bfin_write_UART_DLH(val) bfin_write_UART0_DLH(val) -#define UART_DLH UART0_DLH +#define BFIN_UART_DLH UART0_DLH #define bfin_read_UART_IIR() bfin_read_UART0_IIR() #define bfin_write_UART_IIR(val) bfin_write_UART0_IIR(val) -#define UART_IIR UART0_IIR +#define BFIN_UART_IIR UART0_IIR #define bfin_read_UART_LCR() bfin_read_UART0_LCR() #define bfin_write_UART_LCR(val) bfin_write_UART0_LCR(val) -#define UART_LCR UART0_LCR +#define BFIN_UART_LCR UART0_LCR #define bfin_read_UART_MCR() bfin_read_UART0_MCR() #define bfin_write_UART_MCR(val) bfin_write_UART0_MCR(val) -#define UART_MCR UART0_MCR +#define BFIN_UART_MCR UART0_MCR #define bfin_read_UART_LSR() bfin_read_UART0_LSR() #define bfin_write_UART_LSR(val) bfin_write_UART0_LSR(val) -#define UART_LSR UART0_LSR +#define BFIN_UART_LSR UART0_LSR #define bfin_read_UART_SCR() bfin_read_UART0_SCR() #define bfin_write_UART_SCR(val) bfin_write_UART0_SCR(val) -#define UART_SCR UART0_SCR +#define BFIN_UART_SCR UART0_SCR #define bfin_read_UART_GCTL() bfin_read_UART0_GCTL() #define bfin_write_UART_GCTL(val) bfin_write_UART0_GCTL(val) -#define UART_GCTL UART0_GCTL +#define BFIN_UART_GCTL UART0_GCTL + +#define BFIN_UART_NR_PORTS 2 + +#define OFFSET_THR 0x00 /* Transmit Holding register */ +#define OFFSET_RBR 0x00 /* Receive Buffer register */ +#define OFFSET_DLL 0x00 /* Divisor Latch (Low-Byte) */ +#define OFFSET_IER 0x04 /* Interrupt Enable Register */ +#define OFFSET_DLH 0x04 /* Divisor Latch (High-Byte) */ +#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 */ /* DPMC*/ #define bfin_read_STOPCK_OFF() bfin_read_STOPCK() diff --git a/include/asm-blackfin/mach-bf537/cdefBF534.h b/include/asm-blackfin/mach-bf537/cdefBF534.h index 78227bc855d..82de526f809 100644 --- a/include/asm-blackfin/mach-bf537/cdefBF534.h +++ b/include/asm-blackfin/mach-bf537/cdefBF534.h @@ -44,7 +44,27 @@ /* Clock and System Control (0xFFC00000 - 0xFFC000FF) */ #define bfin_read_PLL_CTL() bfin_read16(PLL_CTL) -#define bfin_write_PLL_CTL(val) bfin_write16(PLL_CTL,val) +/* Writing to PLL_CTL initiates a PLL relock sequence. */ +static __inline__ void bfin_write_PLL_CTL(unsigned int val) +{ + unsigned long flags, iwr; + + if (val == bfin_read_PLL_CTL()) + return; + + local_irq_save(flags); + /* Enable the PLL Wakeup bit in SIC IWR */ + iwr = bfin_read32(SIC_IWR); + /* Only allow PPL Wakeup) */ + bfin_write32(SIC_IWR, IWR_ENABLE(0)); + + bfin_write16(PLL_CTL, val); + SSYNC(); + asm("IDLE;"); + + bfin_write32(SIC_IWR, iwr); + local_irq_restore(flags); +} #define bfin_read_PLL_DIV() bfin_read16(PLL_DIV) #define bfin_write_PLL_DIV(val) bfin_write16(PLL_DIV,val) #define bfin_read_VR_CTL() bfin_read16(VR_CTL) @@ -53,6 +73,10 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val) { unsigned long flags, iwr; + if (val == bfin_read_VR_CTL()) + return; + + local_irq_save(flags); /* Enable the PLL Wakeup bit in SIC IWR */ iwr = bfin_read32(SIC_IWR); /* Only allow PPL Wakeup) */ @@ -60,11 +84,10 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val) bfin_write16(VR_CTL, val); SSYNC(); - - local_irq_save(flags); asm("IDLE;"); - local_irq_restore(flags); + bfin_write32(SIC_IWR, iwr); + local_irq_restore(flags); } #define bfin_read_PLL_STAT() bfin_read16(PLL_STAT) #define bfin_write_PLL_STAT(val) bfin_write16(PLL_STAT,val) @@ -858,39 +881,7 @@ static __inline__ void bfin_write_VR_CTL(unsigned int val) #define bfin_read_PPI_FRAME() bfin_read16(PPI_FRAME) #define bfin_write_PPI_FRAME(val) bfin_write16(PPI_FRAME,val) -/* Two-Wire Interface (0xFFC01400 - 0xFFC014FF) */ -#define bfin_read_TWI_CLKDIV() bfin_read16(TWI_CLKDIV) -#define bfin_write_TWI_CLKDIV(val) bfin_write16(TWI_CLKDIV,val) -#define bfin_read_TWI_CONTROL() bfin_read16(TWI_CONTROL) -#define bfin_write_TWI_CONTROL(val) bfin_write16(TWI_CONTROL,val) -#define bfin_read_TWI_SLAVE_CTL() bfin_read16(TWI_SLAVE_CTL) -#define bfin_write_TWI_SLAVE_CTL(val) bfin_write16(TWI_SLAVE_CTL,val) -#define bfin_read_TWI_SLAVE_STAT() bfin_read16(TWI_SLAVE_STAT) -#define bfin_write_TWI_SLAVE_STAT(val) bfin_write16(TWI_SLAVE_STAT,val) -#define bfin_read_TWI_SLAVE_ADDR() bfin_read16(TWI_SLAVE_ADDR) -#define bfin_write_TWI_SLAVE_ADDR(val) bfin_write16(TWI_SLAVE_ADDR,val) -#define bfin_read_TWI_MASTER_CTL() bfin_read16(TWI_MASTER_CTL) -#define bfin_write_TWI_MASTER_CTL(val) bfin_write16(TWI_MASTER_CTL,val) -#define bfin_read_TWI_MASTER_STAT() bfin_read16(TWI_MASTER_STAT) -#define bfin_write_TWI_MASTER_STAT(val) bfin_write16(TWI_MASTER_STAT,val) -#define bfin_read_TWI_MASTER_ADDR() bfin_read16(TWI_MASTER_ADDR) -#define bfin_write_TWI_MASTER_ADDR(val) bfin_write16(TWI_MASTER_ADDR,val) -#define bfin_read_TWI_INT_STAT() bfin_read16(TWI_INT_STAT) -#define bfin_write_TWI_INT_STAT(val) bfin_write16(TWI_INT_STAT,val) -#define bfin_read_TWI_INT_MASK() bfin_read16(TWI_INT_MASK) -#define bfin_write_TWI_INT_MASK(val) bfin_write16(TWI_INT_MASK,val) -#define bfin_read_TWI_FIFO_CTL() bfin_read16(TWI_FIFO_CTL) -#define bfin_write_TWI_FIFO_CTL(val) bfin_write16(TWI_FIFO_CTL,val) -#define bfin_read_TWI_FIFO_STAT() bfin_read16(TWI_FIFO_STAT) -#define bfin_write_TWI_FIFO_STAT(val) bfin_write16(TWI_FIFO_STAT,val) -#define bfin_read_TWI_XMT_DATA8() bfin_read16(TWI_XMT_DATA8) -#define bfin_write_TWI_XMT_DATA8(val) bfin_write16(TWI_XMT_DATA8,val) -#define bfin_read_TWI_XMT_DATA16() bfin_read16(TWI_XMT_DATA16) -#define bfin_write_TWI_XMT_DATA16(val) bfin_write16(TWI_XMT_DATA16,val) -#define bfin_read_TWI_RCV_DATA8() bfin_read16(TWI_RCV_DATA8) -#define bfin_write_TWI_RCV_DATA8(val) bfin_write16(TWI_RCV_DATA8,val) -#define bfin_read_TWI_RCV_DATA16() bfin_read16(TWI_RCV_DATA16) -#define bfin_write_TWI_RCV_DATA16(val) bfin_write16(TWI_RCV_DATA16,val) +/* Two-Wire Interface (0xFFC01400 - 0xFFC014FF) */ /* General Purpose I/O Port G (0xFFC01500 - 0xFFC015FF) */ #define bfin_read_PORTGIO() bfin_read16(PORTGIO) diff --git a/include/asm-blackfin/mach-bf537/dma.h b/include/asm-blackfin/mach-bf537/dma.h index 021991984e6..7a964040870 100644 --- a/include/asm-blackfin/mach-bf537/dma.h +++ b/include/asm-blackfin/mach-bf537/dma.h @@ -52,7 +52,4 @@ #define CH_MEM_STREAM1_DEST 14 /* TX */ #define CH_MEM_STREAM1_SRC 15 /* RX */ -extern int channel2irq(unsigned int channel); -extern struct dma_register *base_addr[]; - #endif |