diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-11-03 14:50:58 +0000 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-12-13 19:59:48 -0800 |
commit | 7583633921d54f33e96b65569a0c980ae1d05dba (patch) | |
tree | 635d50216e4b836d67040f00a8b45c5bd5b3f89b /drivers/tty | |
parent | bd94c4077a0b2ecc35562c294f80f3659ecd8499 (diff) |
tty: amba-pl011: add register accessor functions
Add register accessor functions to amba-pl011. Much of this
transformation was done using the sed expression below, with any
left-overs fixed up manually afterwards, and code formatted to remain
within coding style.
s/readw(\(uap->port.membase\|regs\|port->membase\) +/pl011_read(\1,/g
s/writew(\(.*\) +/pl011_write(\1,/g
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r-- | drivers/tty/serial/amba-pl011.c | 210 |
1 files changed, 112 insertions, 98 deletions
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 899a77187bde..bd01e75128dc 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -184,6 +184,16 @@ struct uart_amba_port { #endif }; +static unsigned int pl011_read(void __iomem *base, unsigned int reg) +{ + return readw(base + reg); +} + +static void pl011_write(unsigned int val, void __iomem *base, unsigned int reg) +{ + writew(val, base + reg); +} + /* * Reads up to 256 characters from the FIFO or until it's empty and * inserts them into the TTY layer. Returns the number of characters @@ -196,12 +206,12 @@ static int pl011_fifo_to_tty(struct uart_amba_port *uap) int fifotaken = 0; while (max_count--) { - status = readw(uap->port.membase + UART01x_FR); + status = pl011_read(uap->port.membase, UART01x_FR); if (status & UART01x_FR_RXFE) break; /* Take chars from the FIFO and update status */ - ch = readw(uap->port.membase + UART01x_DR) | + ch = pl011_read(uap->port.membase, UART01x_DR) | UART_DUMMY_DR_RX; flag = TTY_NORMAL; uap->port.icount.rx++; @@ -438,7 +448,7 @@ static void pl011_dma_tx_callback(void *data) dmacr = uap->dmacr; uap->dmacr = dmacr & ~UART011_TXDMAE; - writew(uap->dmacr, uap->port.membase + UART011_DMACR); + pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); /* * If TX DMA was disabled, it means that we've stopped the DMA for @@ -552,7 +562,7 @@ static int pl011_dma_tx_refill(struct uart_amba_port *uap) dma_dev->device_issue_pending(chan); uap->dmacr |= UART011_TXDMAE; - writew(uap->dmacr, uap->port.membase + UART011_DMACR); + pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); uap->dmatx.queued = true; /* @@ -588,9 +598,9 @@ static bool pl011_dma_tx_irq(struct uart_amba_port *uap) */ if (uap->dmatx.queued) { uap->dmacr |= UART011_TXDMAE; - writew(uap->dmacr, uap->port.membase + UART011_DMACR); + pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); uap->im &= ~UART011_TXIM; - writew(uap->im, uap->port.membase + UART011_IMSC); + pl011_write(uap->im, uap->port.membase, UART011_IMSC); return true; } @@ -600,7 +610,7 @@ static bool pl011_dma_tx_irq(struct uart_amba_port *uap) */ if (pl011_dma_tx_refill(uap) > 0) { uap->im &= ~UART011_TXIM; - writew(uap->im, uap->port.membase + UART011_IMSC); + pl011_write(uap->im, uap->port.membase, UART011_IMSC); return true; } return false; @@ -614,7 +624,7 @@ static inline void pl011_dma_tx_stop(struct uart_amba_port *uap) { if (uap->dmatx.queued) { uap->dmacr &= ~UART011_TXDMAE; - writew(uap->dmacr, uap->port.membase + UART011_DMACR); + pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); } } @@ -640,14 +650,14 @@ static inline bool pl011_dma_tx_start(struct uart_amba_port *uap) if (!uap->dmatx.queued) { if (pl011_dma_tx_refill(uap) > 0) { uap->im &= ~UART011_TXIM; - writew(uap->im, uap->port.membase + - UART011_IMSC); + pl011_write(uap->im, uap->port.membase, + UART011_IMSC); } else ret = false; } else if (!(uap->dmacr & UART011_TXDMAE)) { uap->dmacr |= UART011_TXDMAE; - writew(uap->dmacr, - uap->port.membase + UART011_DMACR); + pl011_write(uap->dmacr, uap->port.membase, + UART011_DMACR); } return ret; } @@ -658,9 +668,9 @@ static inline bool pl011_dma_tx_start(struct uart_amba_port *uap) */ dmacr = uap->dmacr; uap->dmacr &= ~UART011_TXDMAE; - writew(uap->dmacr, uap->port.membase + UART011_DMACR); + pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); - if (readw(uap->port.membase + UART01x_FR) & UART01x_FR_TXFF) { + if (pl011_read(uap->port.membase, UART01x_FR) & UART01x_FR_TXFF) { /* * No space in the FIFO, so enable the transmit interrupt * so we know when there is space. Note that once we've @@ -669,13 +679,13 @@ static inline bool pl011_dma_tx_start(struct uart_amba_port *uap) return false; } - writew(uap->port.x_char, uap->port.membase + UART01x_DR); + pl011_write(uap->port.x_char, uap->port.membase, UART01x_DR); uap->port.icount.tx++; uap->port.x_char = 0; /* Success - restore the DMA state */ uap->dmacr = dmacr; - writew(dmacr, uap->port.membase + UART011_DMACR); + pl011_write(dmacr, uap->port.membase, UART011_DMACR); return true; } @@ -703,7 +713,7 @@ __acquires(&uap->port.lock) DMA_TO_DEVICE); uap->dmatx.queued = false; uap->dmacr &= ~UART011_TXDMAE; - writew(uap->dmacr, uap->port.membase + UART011_DMACR); + pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); } } @@ -743,11 +753,11 @@ static int pl011_dma_rx_trigger_dma(struct uart_amba_port *uap) dma_async_issue_pending(rxchan); uap->dmacr |= UART011_RXDMAE; - writew(uap->dmacr, uap->port.membase + UART011_DMACR); + pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); uap->dmarx.running = true; uap->im &= ~UART011_RXIM; - writew(uap->im, uap->port.membase + UART011_IMSC); + pl011_write(uap->im, uap->port.membase, UART011_IMSC); return 0; } @@ -805,8 +815,8 @@ static void pl011_dma_rx_chars(struct uart_amba_port *uap, */ if (dma_count == pending && readfifo) { /* Clear any error flags */ - writew(UART011_OEIS | UART011_BEIS | UART011_PEIS | UART011_FEIS, - uap->port.membase + UART011_ICR); + pl011_write(UART011_OEIS | UART011_BEIS | UART011_PEIS | + UART011_FEIS, uap->port.membase, UART011_ICR); /* * If we read all the DMA'd characters, and we had an @@ -854,7 +864,7 @@ static void pl011_dma_rx_irq(struct uart_amba_port *uap) /* Disable RX DMA - incoming data will wait in the FIFO */ uap->dmacr &= ~UART011_RXDMAE; - writew(uap->dmacr, uap->port.membase + UART011_DMACR); + pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); uap->dmarx.running = false; pending = sgbuf->sg.length - state.residue; @@ -874,7 +884,7 @@ static void pl011_dma_rx_irq(struct uart_amba_port *uap) dev_dbg(uap->port.dev, "could not retrigger RX DMA job " "fall back to interrupt mode\n"); uap->im |= UART011_RXIM; - writew(uap->im, uap->port.membase + UART011_IMSC); + pl011_write(uap->im, uap->port.membase, UART011_IMSC); } } @@ -922,7 +932,7 @@ static void pl011_dma_rx_callback(void *data) dev_dbg(uap->port.dev, "could not retrigger RX DMA job " "fall back to interrupt mode\n"); uap->im |= UART011_RXIM; - writew(uap->im, uap->port.membase + UART011_IMSC); + pl011_write(uap->im, uap->port.membase, UART011_IMSC); } } @@ -935,7 +945,7 @@ static inline void pl011_dma_rx_stop(struct uart_amba_port *uap) { /* FIXME. Just disable the DMA enable */ uap->dmacr &= ~UART011_RXDMAE; - writew(uap->dmacr, uap->port.membase + UART011_DMACR); + pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); } /* @@ -979,7 +989,7 @@ static void pl011_dma_rx_poll(unsigned long args) spin_lock_irqsave(&uap->port.lock, flags); pl011_dma_rx_stop(uap); uap->im |= UART011_RXIM; - writew(uap->im, uap->port.membase + UART011_IMSC); + pl011_write(uap->im, uap->port.membase, UART011_IMSC); spin_unlock_irqrestore(&uap->port.lock, flags); uap->dmarx.running = false; @@ -1041,7 +1051,7 @@ static void pl011_dma_startup(struct uart_amba_port *uap) skip_rx: /* Turn on DMA error (RX/TX will be enabled on demand) */ uap->dmacr |= UART011_DMAONERR; - writew(uap->dmacr, uap->port.membase + UART011_DMACR); + pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); /* * ST Micro variants has some specific dma burst threshold @@ -1049,8 +1059,8 @@ skip_rx: * be issued above/below 16 bytes. */ if (uap->vendor->dma_threshold) - writew(ST_UART011_DMAWM_RX_16 | ST_UART011_DMAWM_TX_16, - uap->port.membase + ST_UART011_DMAWM); + pl011_write(ST_UART011_DMAWM_RX_16 | ST_UART011_DMAWM_TX_16, + uap->port.membase, ST_UART011_DMAWM); if (uap->using_rx_dma) { if (pl011_dma_rx_trigger_dma(uap)) @@ -1075,12 +1085,12 @@ static void pl011_dma_shutdown(struct uart_amba_port *uap) return; /* Disable RX and TX DMA */ - while (readw(uap->port.membase + UART01x_FR) & UART01x_FR_BUSY) + while (pl011_read(uap->port.membase, UART01x_FR) & UART01x_FR_BUSY) barrier(); spin_lock_irq(&uap->port.lock); uap->dmacr &= ~(UART011_DMAONERR | UART011_RXDMAE | UART011_TXDMAE); - writew(uap->dmacr, uap->port.membase + UART011_DMACR); + pl011_write(uap->dmacr, uap->port.membase, UART011_DMACR); spin_unlock_irq(&uap->port.lock); if (uap->using_tx_dma) { @@ -1181,7 +1191,7 @@ static void pl011_stop_tx(struct uart_port *port) container_of(port, struct uart_amba_port, port); uap->im &= ~UART011_TXIM; - writew(uap->im, uap->port.membase + UART011_IMSC); + pl011_write(uap->im, uap->port.membase, UART011_IMSC); pl011_dma_tx_stop(uap); } @@ -1191,7 +1201,7 @@ static void pl011_tx_chars(struct uart_amba_port *uap, bool from_irq); static void pl011_start_tx_pio(struct uart_amba_port *uap) { uap->im |= UART011_TXIM; - writew(uap->im, uap->port.membase + UART011_IMSC); + pl011_write(uap->im, uap->port.membase, UART011_IMSC); pl011_tx_chars(uap, false); } @@ -1211,7 +1221,7 @@ static void pl011_stop_rx(struct uart_port *port) uap->im &= ~(UART011_RXIM|UART011_RTIM|UART011_FEIM| UART011_PEIM|UART011_BEIM|UART011_OEIM); - writew(uap->im, uap->port.membase + UART011_IMSC); + pl011_write(uap->im, uap->port.membase, UART011_IMSC); pl011_dma_rx_stop(uap); } @@ -1222,7 +1232,7 @@ static void pl011_enable_ms(struct uart_port *port) container_of(port, struct uart_amba_port, port); uap->im |= UART011_RIMIM|UART011_CTSMIM|UART011_DCDMIM|UART011_DSRMIM; - writew(uap->im, uap->port.membase + UART011_IMSC); + pl011_write(uap->im, uap->port.membase, UART011_IMSC); } static void pl011_rx_chars(struct uart_amba_port *uap) @@ -1242,7 +1252,7 @@ __acquires(&uap->port.lock) dev_dbg(uap->port.dev, "could not trigger RX DMA job " "fall back to interrupt mode again\n"); uap->im |= UART011_RXIM; - writew(uap->im, uap->port.membase + UART011_IMSC); + pl011_write(uap->im, uap->port.membase, UART011_IMSC); } else { #ifdef CONFIG_DMA_ENGINE /* Start Rx DMA poll */ @@ -1263,10 +1273,10 @@ static bool pl011_tx_char(struct uart_amba_port *uap, unsigned char c, bool from_irq) { if (unlikely(!from_irq) && - readw(uap->port.membase + UART01x_FR) & UART01x_FR_TXFF) + pl011_read(uap->port.membase, UART01x_FR) & UART01x_FR_TXFF) return false; /* unable to transmit character */ - writew(c, uap->port.membase + UART01x_DR); + pl011_write(c, uap->port.membase, UART01x_DR); uap->port.icount.tx++; return true; @@ -1313,7 +1323,8 @@ static void pl011_modem_status(struct uart_amba_port *uap) { unsigned int status, delta; - status = readw(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY; + status = pl011_read(uap->port.membase, UART01x_FR); + status &= UART01x_FR_MODEM_ANY; delta = status ^ uap->old_status; uap->old_status = status; @@ -1341,15 +1352,15 @@ static void check_apply_cts_event_workaround(struct uart_amba_port *uap) return; /* workaround to make sure that all bits are unlocked.. */ - writew(0x00, uap->port.membase + UART011_ICR); + pl011_write(0x00, uap->port.membase, UART011_ICR); /* * WA: introduce 26ns(1 uart clk) delay before W1C; * single apb access will incur 2 pclk(133.12Mhz) delay, * so add 2 dummy reads */ - dummy_read = readw(uap->port.membase + UART011_ICR); - dummy_read = readw(uap->port.membase + UART011_ICR); + dummy_read = pl011_read(uap->port.membase, UART011_ICR); + dummy_read = pl011_read(uap->port.membase, UART011_ICR); } static irqreturn_t pl011_int(int irq, void *dev_id) @@ -1361,15 +1372,15 @@ static irqreturn_t pl011_int(int irq, void *dev_id) int handled = 0; spin_lock_irqsave(&uap->port.lock, flags); - imsc = readw(uap->port.membase + UART011_IMSC); - status = readw(uap->port.membase + UART011_RIS) & imsc; + imsc = pl011_read(uap->port.membase, UART011_IMSC); + status = pl011_read(uap->port.membase, UART011_RIS) & imsc; if (status) { do { check_apply_cts_event_workaround(uap); - writew(status & ~(UART011_TXIS|UART011_RTIS| - UART011_RXIS), - uap->port.membase + UART011_ICR); + pl011_write(status & ~(UART011_TXIS|UART011_RTIS| + UART011_RXIS), + uap->port.membase, UART011_ICR); if (status & (UART011_RTIS|UART011_RXIS)) { if (pl011_dma_rx_running(uap)) @@ -1386,7 +1397,7 @@ static irqreturn_t pl011_int(int irq, void *dev_id) if (pass_counter-- == 0) break; - status = readw(uap->port.membase + UART011_RIS) & imsc; + status = pl011_read(uap->port.membase, UART011_RIS) & imsc; } while (status != 0); handled = 1; } @@ -1400,7 +1411,7 @@ static unsigned int pl011_tx_empty(struct uart_port *port) { struct uart_amba_port *uap = container_of(port, struct uart_amba_port, port); - unsigned int status = readw(uap->port.membase + UART01x_FR); + unsigned int status = pl011_read(uap->port.membase, UART01x_FR); return status & (UART01x_FR_BUSY|UART01x_FR_TXFF) ? 0 : TIOCSER_TEMT; } @@ -1409,7 +1420,7 @@ static unsigned int pl011_get_mctrl(struct uart_port *port) struct uart_amba_port *uap = container_of(port, struct uart_amba_port, port); unsigned int result = 0; - unsigned int status = readw(uap->port.membase + UART01x_FR); + unsigned int status = pl011_read(uap->port.membase, UART01x_FR); #define TIOCMBIT(uartbit, tiocmbit) \ if (status & uartbit) \ @@ -1429,7 +1440,7 @@ static void pl011_set_mctrl(struct uart_port *port, unsigned int mctrl) container_of(port, struct uart_amba_port, port); unsigned int cr; - cr = readw(uap->port.membase + UART011_CR); + cr = pl011_read(uap->port.membase, UART011_CR); #define TIOCMBIT(tiocmbit, uartbit) \ if (mctrl & tiocmbit) \ @@ -1449,7 +1460,7 @@ static void pl011_set_mctrl(struct uart_port *port, unsigned int mctrl) } #undef TIOCMBIT - writew(cr, uap->port.membase + UART011_CR); + pl011_write(cr, uap->port.membase, UART011_CR); } static void pl011_break_ctl(struct uart_port *port, int break_state) @@ -1460,12 +1471,12 @@ static void pl011_break_ctl(struct uart_port *port, int break_state) unsigned int lcr_h; spin_lock_irqsave(&uap->port.lock, flags); - lcr_h = readw(uap->port.membase + uap->lcrh_tx); + lcr_h = pl011_read(uap->port.membase, uap->lcrh_tx); if (break_state == -1) lcr_h |= UART01x_LCRH_BRK; else lcr_h &= ~UART01x_LCRH_BRK; - writew(lcr_h, uap->port.membase + uap->lcrh_tx); + pl011_write(lcr_h, uap->port.membase, uap->lcrh_tx); spin_unlock_irqrestore(&uap->port.lock, flags); } @@ -1477,7 +1488,7 @@ static void pl011_quiesce_irqs(struct uart_port *port) container_of(port, struct uart_amba_port, port); unsigned char __iomem *regs = uap->port.membase; - writew(readw(regs + UART011_MIS), regs + UART011_ICR); + pl011_write(pl011_read(regs, UART011_MIS), regs, UART011_ICR); /* * There is no way to clear TXIM as this is "ready to transmit IRQ", so * we simply mask it. start_tx() will unmask it. @@ -1491,7 +1502,8 @@ static void pl011_quiesce_irqs(struct uart_port *port) * (including tx queue), so we're also fine with start_tx()'s caller * side. */ - writew(readw(regs + UART011_IMSC) & ~UART011_TXIM, regs + UART011_IMSC); + pl011_write(pl011_read(regs, UART011_IMSC) & ~UART011_TXIM, + regs, UART011_IMSC); } static int pl011_get_poll_char(struct uart_port *port) @@ -1506,11 +1518,11 @@ static int pl011_get_poll_char(struct uart_port *port) */ pl011_quiesce_irqs(port); - status = readw(uap->port.membase + UART01x_FR); + status = pl011_read(uap->port.membase, UART01x_FR); if (status & UART01x_FR_RXFE) return NO_POLL_CHAR; - return readw(uap->port.membase + UART01x_DR); + return pl011_read(uap->port.membase, UART01x_DR); } static void pl011_put_poll_char(struct uart_port *port, @@ -1519,10 +1531,10 @@ static void pl011_put_poll_char(struct uart_port *port, struct uart_amba_port *uap = container_of(port, struct uart_amba_port, port); - while (readw(uap->port.membase + UART01x_FR) & UART01x_FR_TXFF) + while (pl011_read(uap->port.membase, UART01x_FR) & UART01x_FR_TXFF) barrier(); - writew(ch, uap->port.membase + UART01x_DR); + pl011_write(ch, uap->port.membase, UART01x_DR); } #endif /* CONFIG_CONSOLE_POLL */ @@ -1546,15 +1558,17 @@ static int pl011_hwinit(struct uart_port *port) uap->port.uartclk = clk_get_rate(uap->clk); /* Clear pending error and receive interrupts */ - writew(UART011_OEIS | UART011_BEIS | UART011_PEIS | UART011_FEIS | - UART011_RTIS | UART011_RXIS, uap->port.membase + UART011_ICR); + pl011_write(UART011_OEIS | UART011_BEIS | UART011_PEIS | + UART011_FEIS | UART011_RTIS | UART011_RXIS, + uap->port.membase, UART011_ICR); /* * Save interrupts enable mask, and enable RX interrupts in case if * the interrupt is used for NMI entry. */ - uap->im = readw(uap->port.membase + UART011_IMSC); - writew(UART011_RTIM | UART011_RXIM, uap->port.membase + UART011_IMSC); + uap->im = pl011_read(uap->port.membase, UART011_IMSC); + pl011_write(UART011_RTIM | UART011_RXIM, uap->port.membase, + UART011_IMSC); if (dev_get_platdata(uap->port.dev)) { struct amba_pl011_data *plat; @@ -1568,7 +1582,7 @@ static int pl011_hwinit(struct uart_port *port) static void pl011_write_lcr_h(struct uart_amba_port *uap, unsigned int lcr_h) { - writew(lcr_h, uap->port.membase + uap->lcrh_rx); + pl011_write(lcr_h, uap->port.membase, uap->lcrh_rx); if (uap->lcrh_rx != uap->lcrh_tx) { int i; /* @@ -1576,14 +1590,14 @@ static void pl011_write_lcr_h(struct uart_amba_port *uap, unsigned int lcr_h) * to get this delay write read only register 10 times */ for (i = 0; i < 10; ++i) - writew(0xff, uap->port.membase + UART011_MIS); - writew(lcr_h, uap->port.membase + uap->lcrh_tx); + pl011_write(0xff, uap->port.membase, UART011_MIS); + pl011_write(lcr_h, uap->port.membase, uap->lcrh_tx); } } static int pl011_allocate_irq(struct uart_amba_port *uap) { - writew(uap->im, uap->port.membase + UART011_IMSC); + pl011_write(uap->im, uap->port.membase, UART011_IMSC); return request_irq(uap->port.irq, pl011_int, 0, "uart-pl011", uap); } @@ -1598,12 +1612,12 @@ static void pl011_enable_interrupts(struct uart_amba_port *uap) spin_lock_irq(&uap->port.lock); /* Clear out any spuriously appearing RX interrupts */ - writew(UART011_RTIS | UART011_RXIS, - uap->port.membase + UART011_ICR); + pl011_write(UART011_RTIS | UART011_RXIS, uap->port.membase, + UART011_ICR); uap->im = UART011_RTIM; if (!pl011_dma_rx_running(uap)) uap->im |= UART011_RXIM; - writew(uap->im, uap->port.membase + UART011_IMSC); + pl011_write(uap->im, uap->port.membase, UART011_IMSC); spin_unlock_irq(&uap->port.lock); } @@ -1622,21 +1636,21 @@ static int pl011_startup(struct uart_port *port) if (retval) goto clk_dis; - writew(uap->vendor->ifls, uap->port.membase + UART011_IFLS); + pl011_write(uap->vendor->ifls, uap->port.membase, UART011_IFLS); spin_lock_irq(&uap->port.lock); /* restore RTS and DTR */ cr = uap->old_cr & (UART011_CR_RTS | UART011_CR_DTR); cr |= UART01x_CR_UARTEN | UART011_CR_RXE | UART011_CR_TXE; - writew(cr, uap->port.membase + UART011_CR); + pl011_write(cr, uap->port.membase, UART011_CR); spin_unlock_irq(&uap->port.lock); /* * initialise the old status of the modem signals */ - uap->old_status = readw(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY; + uap->old_status = pl011_read(uap->port.membase, UART01x_FR) & UART01x_FR_MODEM_ANY; /* Startup DMA */ pl011_dma_startup(uap); @@ -1677,9 +1691,9 @@ static void pl011_shutdown_channel(struct uart_amba_port *uap, { unsigned long val; - val = readw(uap->port.membase + lcrh); + val = pl011_read(uap->port.membase, lcrh); val &= ~(UART01x_LCRH_BRK | UART01x_LCRH_FEN); - writew(val, uap->port.membase + lcrh); + pl011_write(val, uap->port.membase, lcrh); } /* @@ -1693,11 +1707,11 @@ static void pl011_disable_uart(struct uart_amba_port *uap) uap->autorts = false; spin_lock_irq(&uap->port.lock); - cr = readw(uap->port.membase + UART011_CR); + cr = pl011_read(uap->port.membase, UART011_CR); uap->old_cr = cr; cr &= UART011_CR_RTS | UART011_CR_DTR; cr |= UART01x_CR_UARTEN | UART011_CR_TXE; - writew(cr, uap->port.membase + UART011_CR); + pl011_write(cr, uap->port.membase, UART011_CR); spin_unlock_irq(&uap->port.lock); /* @@ -1714,8 +1728,8 @@ static void pl011_disable_interrupts(struct uart_amba_port *uap) /* mask all interrupts and clear all pending ones */ uap->im = 0; - writew(uap->im, uap->port.membase + UART011_IMSC); - writew(0xffff, uap->port.membase + UART011_ICR); + pl011_write(uap->im, uap->port.membase, UART011_IMSC); + pl011_write(0xffff, uap->port.membase, UART011_ICR); spin_unlock_irq(&uap->port.lock); } @@ -1867,8 +1881,8 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios, pl011_enable_ms(port); /* first, disable everything */ - old_cr = readw(port->membase + UART011_CR); - writew(0, port->membase + UART011_CR); + old_cr = pl011_read(port->membase, UART011_CR); + pl011_write(0, port->membase, UART011_CR); if (termios->c_cflag & CRTSCTS) { if (old_cr & UART011_CR_RTS) @@ -1901,8 +1915,8 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios, quot -= 2; } /* Set baud rate */ - writew(quot & 0x3f, port->membase + UART011_FBRD); - writew(quot >> 6, port->membase + UART011_IBRD); + pl011_write(quot & 0x3f, port->membase, UART011_FBRD); + pl011_write(quot >> 6, port->membase, UART011_IBRD); /* * ----------v----------v----------v----------v----- @@ -1911,7 +1925,7 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios, * ----------^----------^----------^----------^----- */ pl011_write_lcr_h(uap, lcr_h); - writew(old_cr, port->membase + UART011_CR); + pl011_write(old_cr, port->membase, UART011_CR); spin_unlock_irqrestore(&port->lock, flags); } @@ -2052,9 +2066,9 @@ static void pl011_console_putchar(struct uart_port *port, int ch) struct uart_amba_port *uap = container_of(port, struct uart_amba_port, port); - while (readw(uap->port.membase + UART01x_FR) & UART01x_FR_TXFF) + while (pl011_read(uap->port.membase, UART01x_FR) & UART01x_FR_TXFF) barrier(); - writew(ch, uap->port.membase + UART01x_DR); + pl011_write(ch, uap->port.membase, UART01x_DR); } static void @@ -2079,10 +2093,10 @@ pl011_console_write(struct console *co, const char *s, unsigned int count) * First save the CR then disable the interrupts */ if (!uap->vendor->always_enabled) { - old_cr = readw(uap->port.membase + UART011_CR); + old_cr = pl011_read(uap->port.membase, UART011_CR); new_cr = old_cr & ~UART011_CR_CTSEN; new_cr |= UART01x_CR_UARTEN | UART011_CR_TXE; - writew(new_cr, uap->port.membase + UART011_CR); + pl011_write(new_cr, uap->port.membase, UART011_CR); } uart_console_write(&uap->port, s, count, pl011_console_putchar); @@ -2092,10 +2106,10 @@ pl011_console_write(struct console *co, const char *s, unsigned int count) * and restore the TCR */ do { - status = readw(uap->port.membase + UART01x_FR); + status = pl011_read(uap->port.membase, UART01x_FR); } while (status & UART01x_FR_BUSY); if (!uap->vendor->always_enabled) - writew(old_cr, uap->port.membase + UART011_CR); + pl011_write(old_cr, uap->port.membase, UART011_CR); if (locked) spin_unlock(&uap->port.lock); @@ -2108,10 +2122,10 @@ static void __init pl011_console_get_options(struct uart_amba_port *uap, int *baud, int *parity, int *bits) { - if (readw(uap->port.membase + UART011_CR) & UART01x_CR_UARTEN) { + if (pl011_read(uap->port.membase, UART011_CR) & UART01x_CR_UARTEN) { unsigned int lcr_h, ibrd, fbrd; - lcr_h = readw(uap->port.membase + uap->lcrh_tx); + lcr_h = pl011_read(uap->port.membase, uap->lcrh_tx); *parity = 'n'; if (lcr_h & UART01x_LCRH_PEN) { @@ -2126,13 +2140,13 @@ pl011_console_get_options(struct uart_amba_port *uap, int *baud, else *bits = 8; - ibrd = readw(uap->port.membase + UART011_IBRD); - fbrd = readw(uap->port.membase + UART011_FBRD); + ibrd = pl011_read(uap->port.membase, UART011_IBRD); + fbrd = pl011_read(uap->port.membase, UART011_FBRD); *baud = uap->port.uartclk * 4 / (64 * ibrd + fbrd); if (uap->vendor->oversampling) { - if (readw(uap->port.membase + UART011_CR) + if (pl011_read(uap->port.membase, UART011_CR) & ST_UART011_CR_OVSFACT) *baud *= 2; } @@ -2334,8 +2348,8 @@ static int pl011_register_port(struct uart_amba_port *uap) int ret; /* Ensure interrupts from this UART are masked and cleared */ - writew(0, uap->port.membase + UART011_IMSC); - writew(0xffff, uap->port.membase + UART011_ICR); + pl011_write(0, uap->port.membase, UART011_IMSC); + pl011_write(0xffff, uap->port.membase, UART011_ICR); if (!amba_reg.state) { ret = uart_register_driver(&amba_reg); |